Academic literature on the topic 'Digitale Geometrie'

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Journal articles on the topic "Digitale Geometrie"

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Amal, Citra Amalia, Andi Annisa Amalia, and Sri Andayaningsih. "POTOMETRIUM (POT TANAMAN GEOMETRIS DAN TERARIUM) SERTA PEMASARAN DIGITAL BAGI KELOMPOK PENJUAL TANAMAN HIAS DI KELURAHAN MACCINI SOMBALA KOTA MAKASSAR." Panrita Abdi - Jurnal Pengabdian pada Masyarakat 4, no. 1 (February 11, 2020): 110. http://dx.doi.org/10.20956/pa.v4i1.7698.

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POTOMETRIUM (Geometric and Terraium Pot Plants) and Digital Marketing for The Ornamental Plant Traders Group in Maccini Sombala Village, Makassar CityAbstract. The world of architecture is currently colored by the development of farming methods for urbanites in limited land by arranging plants into special containers of high artistic value such as terrariums and pots in the style of industrial geometry. Some of the problems faced by ornamental plant sellers are the high competition in selling similar types of potted plants because the types of pots sold are generally the same as those on the market, not yet skilled in assembling cactus and succulent plants into terrarium containers, and the sales system is still conventional in nature. To overcome these problems, community service was carried out in the form of developing productive partners with the theme POTOMETRIUM (Geometry and Terrarium Plant Pots). POTMETRIUM PPM activities consist of preparatory activities, identification and classification of ornamental plant sales groups, dissemination of POTOMETRIUM product knowledge and socialization of PKM implementation activities, implementation of geometric pot making workshops, implementation of technical terrarium arranging workshops, implementation of digital marketing technical workshops, making video tutorials POTOMETRIUM, publications implementation of activities, preparation of activity reports, and implementation of monitoring and evaluation of the results of PKM activities.Keywords: Geometric, terrarium, product, digital, ornamental plant.Abstrak. Dunia arsitektur saat ini diwarnai perkembangan metode bercocok tanam bagi kaum urban di lahan terbatas dengan merangkai tanaman ke dalam wadah khusus yang bernilai seni tinggi diantaranya Terarium dan Pot bergaya industrial geometri. Beberapa permasalahan yang dihadapi oleh kelompok penjual tanaman hias yaitu tingginya persaingan penjualan jenis pot tanaman sejenis karena jenis pot yang dijual umumnya sama dengan yang ada di pasaran, belum terampil dalam merangkai tanaman kaktus dan sukulen ke dalam wadah terarium, dan sistem penjualan masih bersifat konvensional. Untuk mengatasi permasalahan tersebut, maka dilakukan pengabdian kepada masyarakat dalam bentuk pengembangan mitra produktif ber-tema POTOMETRIUM (Pot Tanaman Geometri dan Terarium). Kegiatan PPM POTOMETRIUM terdiri atas kegiatan persiapan, identifikasi dan klasifikasi kelompok penjual tanaman hias, sosialisasi pengetahuan produk POTOMETRIUM dan sosialisasi pelaksanaan kegiatan PKM, pelaksanaan workshop pembuatan pot geometris, pelaksanaan workshop teknis merangkai terarium, pelaksanaan workshop teknis pemasaran digital, pembuatan video tutorial POTOMETRIUM, publikasi pelaksanaan kegiatan, penyusunan laporan kegiatan, dan pelaksanaan monitoring serta evaluasi hasil kegiatan PKM.Kata Kunci: Geometris, terarium, produk, digital marketing, tanaman hias.
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Liu, Y., M. R. Johnson, E. A. Matida, S. Kherani, and J. Marsan. "Creation of a standardized geometry of the human nasal cavity." Journal of Applied Physiology 106, no. 3 (March 2009): 784–95. http://dx.doi.org/10.1152/japplphysiol.90376.2008.

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A novel, standardized geometry of the human nasal cavity was created by aligning and processing 30 sets of computed tomography (CT) scans of nasal airways of healthy subjects. Digital three-dimensional (3-D) geometries of the 60 single human nasal cavities (30 right and 30 mirrored left cavities) were generated from the CT scans and measurements of physical parameters of each single nasal cavity were performed. A methodology was developed to scale, orient, and align the nasal geometries, after which 2-D digital coronal cross-sectional slices were generated. With the use of an innovative image processing algorithm, median cross-sectional geometries were created to match median physical parameters while retaining the unique geometric features of the human nasal cavity. From these idealized 2-D images, an original 3-D standardized median human nasal cavity was created. This new standardized geometry was compared against the original geometries of all subjects as well as limited existing data from the literature. The new model has potential for use as a geometric standard in future experimental and numerical studies of deposition of inhaled aerosols, as well as for use as a reference during diagnosis of unhealthy patients. The specific procedure developed could also be applied to build standard nasal geometries for different identifiable groups within the larger population.
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Demian, Nicoleta. "Geometria ecoului – proiect de coregrafie digitală." Tehnologii informatice și de comunicație în domeniul muzical / Information and communication Technologies in Musical Field XI, no. 1 (November 1, 2020): 87–92. http://dx.doi.org/10.47809/ictmf.2020.01.09.

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Hidayat, Heri, Dela Delviana, Dinar Farida Fauziah, and Maudina Yuniar. "Pengembangan Kreatifitas Anak Usia Dini Melalui Bentuk Geometri di Era Digital." Aulad: Journal on Early Childhood 4, no. 1 (March 15, 2021): 16–21. http://dx.doi.org/10.31004/aulad.v4i1.85.

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Penelitian ini bertujuan untuk melihat perkembangan kreativitas anak usia dini melalui bentuk geometri di era digital, penulis menemukan bahwa perkembangan kreativitas tersebut dapat dilihat dari penggunaan media permainan seperti tangram atau kepingan geometri. Metode penelitian yang digunakan adalah kajian pustaka atau studi kepustakaan yaitu berisi teori teori yang relevan dengan masalah–masalah penelitian. Hasil penelitian ini didukung dengan penelitian yang dilakukan Putri Rahmi, dkk di TKN Pembina Lawe Alas, menyatakan bahwa bermain tangram dapat meningkatkan kreativitas anak dalam mengenal bentuk-bentuk geometri. Melalui 3 tahap pengujian, anak mengalami peningkatan disetiap tahapannya, sehingga secara keseluruhan terjadi perkembangan kreativitas anak mencapai 70% melalui permainan tangram. Selain itu penelitian yang dilakukan pada Kelompok B TK IT Permata Bunda Mranggen Demak, Kelompok B di TK Aba Jemawan IV Jatinom dan Kelompok Belajar Bina Insan Mandiri Kecamatan Cimalaka Kabupaten Sumedang yang menyatakan bahwa permainan tersebut memberi pengaruh yang positif pada anak. Sehingga pengalaman menggunakan Tangram membantu anak-anak mengembangkan sikap positif terhadap geometri, mengembangkan keterampilan identifikasi dan klasifikasi mereka, dan menumbuhkan pemahaman tentang konsep dan hubungan geometris dasar
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Yang, Su, Miaole Hou, Ahmed Shaker, and Songnian Li. "Modeling and Processing of Smart Point Clouds of Cultural Relics with Complex Geometries." ISPRS International Journal of Geo-Information 10, no. 9 (September 16, 2021): 617. http://dx.doi.org/10.3390/ijgi10090617.

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The digital documentation of cultural relics plays an important role in archiving, protection, and management. In the field of cultural heritage, three-dimensional (3D) point cloud data is effective at expressing complex geometric structures and geometric details on the surface of cultural relics, but lacks semantic information. To elaborate the geometric information of cultural relics and add meaningful semantic information, we propose a modeling and processing method of smart point clouds of cultural relics with complex geometries. An information modeling framework for complex geometric cultural relics was designed based on the concept of smart point clouds, in which 3D point cloud data are organized through the time dimension and different spatial scales indicating different geometric details. The proposed model allows smart point clouds or a subset to be linked with semantic information or related documents. As such, this novel information modeling framework can be used to describe rich semantic information and high-level details of geometry. The proposed information model not only expresses the complex geometric structure of the cultural relics and the geometric details on the surface, but also has rich semantic information, and can even be associated with documents. A case study of the Dazu Thousand-Hand Bodhisattva Statue, which is characterized by a variety of complex geometries, reveals that our proposed framework is capable of modeling and processing the statue with excellent applicability and expansibility. This work provides insights into the sustainable development of cultural heritage protection globally.
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Küchler, Susanne. "Differential Geometry, the Informational Surface and Oceanic Art: The Role of Pattern in Knowledge Economies." Theory, Culture & Society 34, no. 7-8 (October 10, 2017): 75–97. http://dx.doi.org/10.1177/0263276417730600.

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Graphic pattern (e.g. geometric design) and number-based code (e.g. digital sequencing) can store and transmit complex information more efficiently than referential modes of representation. The analysis of the two genres and their relation to one another has not advanced significantly beyond a general classification based on motion-centred geometries of symmetry. This article examines an intriguing example of patchwork coverlets from the maritime societies of Oceania, where information referencing a complex genealogical system is lodged in geometric designs. By drawing attention to the interplay of graphic pattern and number-based code and its role in the knowledge economies of maritime societies, the article offers new insight into possible ways of designing a digital informational surface that captures the behaviour of an operational system, allowing both for differentiation and integration.
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Li, Chang He, Zan Fang, Yi Cui, and Y. C. Ding. "Layered Manufacturing by Reverse Engineering-Principle and Application." Advanced Materials Research 102-104 (March 2010): 436–40. http://dx.doi.org/10.4028/www.scientific.net/amr.102-104.436.

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Additive processes can be defined as layered manufacturing, based on the dispersed/accumulated principle, Layered manufacturing is directly transforming 3D CAD models to real objects, the reverse engineering of mechanism can be applied to layered manufacturing for production complex geometries for long-term consistency, and the analysis demonstrates the application of the reverse engineering fulfills the segments of design, production, inspection, test. The most notable advantage is the combination of digital technology and geometric model rebuilding technology.
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DAL POZ, ALUIR PORFIRIO, and MAURICIO GALO. "A Utilização do Conceito de Geometria Epipolar em Correlação de Imagens Digitais." Pesquisas em Geociências 19, no. 2 (December 31, 1992): 137. http://dx.doi.org/10.22456/1807-9806.21304.

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O advento da fotogrametria digital trouxe para o fotogrametrista novos desafios, dentre os quais comparece o problema de identificar e medir pontos-homólogos sobre um estereopar de imagens digitais fazendo o uso de um método de correlação digital. Esta técnica pode ser vantajosamente implementada segundo as Linhas Epipolares Homólogas (LEH). O objetivo desse artigo é fazer a abordagem do método de correlação digital segundo as LEH, mais comumente denominado correlação epipolar, bem como apresentar os princípios para a determinação destas LEH. O procedimento para a determinação das Linhas Epipolares Homólogas apresentado foi implementado em computador e alguns testes com imagens artificiais e reais foram realizados.
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Risdianti, Devi, Murad, and Guyup Mahardhian Dwi Putra. "Kajian Pengeringan Jahe (Zingiber Officinale Rosc) berdasarkan Perubahan Geometrik dan Warna menggunakan Metode Image Analysis (Study of Dried Ginger (Zingiber Officinale Rosc) based on Changes in Geometric and Color using Image Analysis)." Jurnal Ilmiah Rekayasa Pertanian dan Biosistem 4, no. 2 (September 30, 2016): 275–84. http://dx.doi.org/10.29303/jrpb.v4i2.35.

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Purpose of this study was to determine change in geometric and color during the drying process using image analysis method. Method used in this study was experimental method. Tools and materials used were ginger, image acquisition box, digital cameras, and computers. Measured parameters included temperature, moisture content, mass of material, geometry and color changes. Results from this study showed that the lowest value of material mass was 1.91 gr of the lowest shelf and 3.21 gr of the upper shelf which directly proportional to the reduction of material moisture content at lowest shelf by 5.66%, due to the heating source placed near the shelf, therefore it will directly heat the material. While the highest value was showed by the highest shelf material of 13.93% moisture content. Actual measurement of surface shrinkage showed declining during 8-hour drying and result from image analysis ranged from 37,548 to 17,201 pixels, 27.77 cm2 to 10.07 cm2by using trapezoidal numerical integration of the highest shelf, and 27.3 cm2 to 10.37 cm2 by using Simpson methods. Based on this study, image analysis can be used to measure ginger color changes from yellowish white to brownish yellow and measure surfaces shrinkage. Keywords: geometric and color, ginger, drying ABSTRAK Tujuan dari penelitian ini adalah untuk mengetahui perubahan geometrik dan warna menggunakan metode image analysisselama proses pengeringan. Metode yang digunakan dalam penelitian adalah metode eksperimental. Alat dan bahan yang digunakan, yaitu jahe, box pengambilan citra, kamera digital, komputer. Parameter yang diukur antara lain suhu, kadar air, massa bahan, perubahan geometri dan warna. Dari hasil penelitian dengan pengukuran massa bahan rak bawah memiliki nilai terendah yaitu 1,91 gram dan rak atas 3,21 gram berbanding lurus dengan penurunan kadar air rak bawah 5,66%, dikarenakan dekatnya sumber pemanas dengan rak sehingga langsung mengenai bahan dan yang paling tinggi yaitu rak atas 13,93%. Pengukuran penyusutan permukaan menunjukkan penurunan selama 8 jam pengeringan secara aktual dan menggunakan image analysis berkisar dari 37548 sampai 17201 piksel menggunakan metode image analysis, 27,77 cm2 sampai 10,07 cm2 pada rak atas dengan integrasi numerik trapezoidal dan 27,3 cm2 sampai 10,37 cm2 rak atas mengggunakan metode simpson. Berdasarkan penelitian tersebut image analysis ini dapat digunakan untuk mengukur warna jahe yang menghasilkan dari putih kekuningan menjadi kuning kecoklatan dan pengukuran penyusutan permukaan. Kata kunci: geometrik dan warna, jahe, pengeringan
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Jackin, Boaz Jessie, C. S. Narayanamurthy, and Toyohiko Yatagai. "Geometric phase shifting digital holography." Optics Letters 41, no. 11 (June 1, 2016): 2648. http://dx.doi.org/10.1364/ol.41.002648.

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Dissertations / Theses on the topic "Digitale Geometrie"

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Schulz, Henrik. "Polyedrisierung dreidimensionaler digitaler Objekte mit Mitteln der konvexen Hülle." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1225887695624-97002.

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Für die Visualisierung dreidimensionaler digitaler Objekte ist im Allgemeinen nur ihre Oberfläche von Interesse. Da von den bildgebenden Verfahren das gesamte räumliche Objekt in Form einer Volumenstruktur digitalisiert wird, muss aus den Daten die Oberfläche berechnet werden. In dieser Arbeit wird ein Algorithmus vorgestellt, der die Oberfläche dreidimensionaler digitaler Objekte, die als Menge von Voxeln gegeben sind, approximiert und dabei Polyeder erzeugt, die die Eigenschaft besitzen, die Voxel des Objektes von den Voxeln des Hintergrundes zu trennen. Weiterhin werden nicht-konvexe Objekte klassifiziert und es wird untersucht, für welche Klassen von Objekten die erzeugten Polyeder die minimale Flächenanzahl und den minimalen Oberflächeninhalt besitzen.
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Schulz, Henrik. "Polyedrisierung dreidimensionaler digitaler Objekte mit Mitteln der konvexen Hülle." Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A23659.

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Für die Visualisierung dreidimensionaler digitaler Objekte ist im Allgemeinen nur ihre Oberfläche von Interesse. Da von den bildgebenden Verfahren das gesamte räumliche Objekt in Form einer Volumenstruktur digitalisiert wird, muss aus den Daten die Oberfläche berechnet werden. In dieser Arbeit wird ein Algorithmus vorgestellt, der die Oberfläche dreidimensionaler digitaler Objekte, die als Menge von Voxeln gegeben sind, approximiert und dabei Polyeder erzeugt, die die Eigenschaft besitzen, die Voxel des Objektes von den Voxeln des Hintergrundes zu trennen. Weiterhin werden nicht-konvexe Objekte klassifiziert und es wird untersucht, für welche Klassen von Objekten die erzeugten Polyeder die minimale Flächenanzahl und den minimalen Oberflächeninhalt besitzen.
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Gervázio, Natascha Carolina de Oliveira. "A geometria na educação enfantil : da aparência de suas formas à essência de suas relações /." Bauru, 2020. http://hdl.handle.net/11449/192134.

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Orientador: José Roberto Boettger Giardinetto
Resumo: O presente trabalho contribui para ao ensino de geometria por relações, no qual buscou responder as questões: Como é apresentada a geometria para as crianças pequenas (4 e 5 anos)? Quais as relações que elas estabelecem entre a geometria e o seu ambiente? Como se apropriam dessas relações? Para tanto, teve por objetivo desenvolver jogos digitais com uma proposta de ensino por relações, para colaborar com o ensino de geometria apostando na ludicidade como estratégia, desde a manipulação dos objetos até a tridimensionalidade. O trabalho foi desenvolvido tendo como público-alvo crianças de 4 e 5 anos de idade que frequentavam a pré-escola em um município de aproximadamente 90 mil habitantes, localizado no interior do estado de São Paulo. Nesse trabalho foi utilizada a pesquisa bibliográfica na abordagem metodológica qualitativa, o estudo de caso, que é adequada quando procuramos descrever, explorar e compreender contextos utilizamos, para isso a observações e acompanhamentos em sala de aula da aplicação das atividades propostas. O referencial teórico foi os documentos nacionais oficiais: CF, LDB, RCNEI, DCNEI, BNCC, Caio Prado Junior e a Pedagogia Histórico-Crítica - PHC. Esta dissertação é composta por dois capítulos. O primeiro, com o título de “O desenvolvimento sensorial para percepção dos conceitos geométricos” tece considerações sobre a situação do ensino da geometria e sua importância para sua apropriação já na Educação Infantil. O segundo intitulado “O ensino de geometri... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: This work contributes to the teaching of geometry by relationships, in which it sought to answer the questions: How is geometry presented to young children (4 and 5 years old)? What relationships do they establish between geometry and its environment? How do they appropriate these relationships? To this end, it aimed to develop digital games with a proposal for teaching by relationships, to collaborate with the teaching of geometry, betting on playfulness as a strategy, from the manipulation of objects to three-dimensionality. The work was developed with the target audience of children of 4 and 5 years old who attended pre-school in a municipality of approximately 90 thousand inhabitants, located in the interior of the state of São Paulo. In this work, bibliographic research was used in the qualitative methodological approach, the case study, which is adequate when we try to describe, explore and understand contexts, for this purpose we use observations and accompaniments in the classroom of the application of the proposed activities. The theoretical framework was the official national documents: CF, LDB, RCNEI, DCNEI, BNCC, Caio Prado Junior and Pedagogia Histórico-Critica - PHC. This dissertation consists of two chapters. The first, entitled "Sensory development for the perception of geometric concepts", considers the situation of teaching geometry and its importance for its appropriation in early childhood education. The second entitled "The teaching of geometry by relatio... (Complete abstract click electronic access below)
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Vargas, Eliane Teixeira. "Integração de mídias digitais no ensino de Geometria : um estudo com o oitavo ano do Ensino Fundamental." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/118897.

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Esta dissertação apresenta uma proposta de ensino de conceitos de Geometria integrando mídias digitais e recursos didáticos. O objetivo central do trabalho foi contribuir para o processo de aprendizagem de conceitos de geometria, utilizando recursos tecnológicos, tais como vídeos, fotografia digital e software de geometria dinâmica, com alunos do oitavo ano do Ensino Fundamental. Além disso, disponibilizar uma proposta de ensino na forma de website composta por uma sequência didática, envolvendo definições, resoluções de problemas, multimídia, glossário de termos e atividades a serem desenvolvidas com materiais manipulativos e com o software GeoGebra. O estudo foi desenvolvido no ano de 2013, com uma turma de alunos do oitavo ano de uma escola pública da Rede Municipal de Ensino da cidade de Esteio/RS. Para analisar a proposta e o avanço dos alunos, utilizou-se como referenciais teóricos Vergnaud (1993) e Gravina (1996, 2001) e o estudo de caso como metodologia. A partir da análise dessa prática, a autora percebeu que a geometria dinâmica, juntamente com a integração dos demais recursos didáticos, possibilitou que os alunos avançassem na compreensão dos conceitos geométricos abordados. Também, os alunos tiveram a oportunidade de compreender e aplicar diferentes propriedades destes conceitos a situações cotidianas. A cada tópico desenvolvido, conceitos e propriedades vistos em tópicos anteriores foram resgatados, oportunizando que os alunos ampliassem seus conhecimentos sobre determinados conceitos.
This dissertation presents an educational proposal of Geometry concepts integrating digital media and educational resources. The central objective was to contribute to the process of learning geometry concepts using technological resources, such as videos, digital photography and dynamic geometry software, with students of the eighth grade of elementary school. In addition, provide an educational proposal in the form of website consists of a didactic sequence, involving definitions, problem solving, multimedia, glossary of terms and activities to be undertaken with manipulative materials and GeoGebra software. The study was conducted in 2013, with a class of eighth graders from a public school in Municipal Schools in the city of Esteio / RS. To examine the proposal and the progress of students, it was used as theoretical references Vergnaud (1993) and Gravina (1996, 2001) and the case study as a methodology. From the analysis of this practice, the author realized that the dynamic geometry, along with the integration of other educational resources, enabled students to advance in understanding of geometric concepts addressed. Also, students had the opportunity to understand and apply different properties of these concepts to everyday situations. Each topic developed concepts and properties seen in previous topics have been rescued, providing opportunities for students to broaden their knowledge of certain concepts.
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Cajander, Amanda, and Sanela Glamocic. "En litteraturstudie av elevers lärande inom geometri i grundskolan med stöd av digitala verktyg." Thesis, Högskolan i Halmstad, Akademin för lärande, humaniora och samhälle, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-38928.

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Utifrån våra erfarenheter, litteratur och forskningslitteratur upplever vissa lärare att delar av geometri är svårt att undervisa om. De upplever också att de läromedel som finns har begränsningar att vara ett stöd i att utveckla deras undervisning. Forskning och annan litteratur vi tagit del av beskriver att det förekommer att elever inte får tillräckligt med undervisning för att kunna bedriva matematiska samtal om geometriska objekt, kunna relatera objekten till varandra och sätta in dem i olika kontexter. Vissa elever har även svårigheter med att problematisera och konstruera geometriska objekt. Med dynamisk geometri och användning av digitala verktyg kan eleverna få mer tid åt att utveckla förståelse för hur geometriska objekt konstrueras. Syftet med litteraturstudien är att sammanställa hur forskning beskriver undervisning i ämnet geometri med stöd av digitala verktyg, och mer specifikt, att besvara frågeställningen: Hur kan geometriundervisningen enligt forskning utvecklas med stöd av digitala verktyg? För att besvara frågeställningen och uppnå studiens syfte har vi systematiskt tagit fram, analyserat och sammanställt vetenskapliga studier om användning av digitala verktyg i geometriundervisningen. Vårt resultat visar att digitala verktyg möjliggör utforskande arbetssätt, social interaktion och ökar vissa elevers motivation och engagemang samt att en del elevers van Hiele-nivå i geometriskt tänkande ökar i samband med användning av digitala verktyg i undervisningen. Slutligen diskuterar vi didaktiska implikationer såsom att digitala verktyg kan bidra till ett utforskande arbetssätt och öka elevers engagemang och motivation. Andra implikationer är att alla skolor inte har tillgång till digitala verktyg och att tekniska problem kan uppstå vid användning av dessa vilket kan leda till att undervisningstiden minskar. Som förslag till vidare forskning ser vi en möjlighet att undersöka hur skapande och visande av videoklipp påverkar elevers lärande i geometri.
Based on our experiences, literature and research literature, some teachers experience that certain parts of the subject geometry are difficult to teach about. They also experience that the teaching aids are not sufficient enough for developing their teaching. The research we mentioned is that some students do not get enough teaching to be able to conduct mathematical conversations about geometric objects, to relate the objects to each other and insert them into different contexts. Some students also have difficulties in problematizing and constructing geometric objects. With dynamic geometry and the use of digital tools, students can have more time to develop their understanding of geometric objects being constructed. The aim of this literature study is to compile how research describes teaching the subject geometry with the support of digital tools, and more specifically, to answer the question: How can teaching in geometry, according to research, be developed by using digital tools? To answer the question and achieve the aim of the study, we have systematically presented, analyzed and compiled scientific studies on the use of digital tools in the teaching of geometry. Our results show that digital tools enable exploratory working methods, social interaction and increase some students' motivation and commitment, and that some students van Hiele-level in geometric thinking increase while using digital tools. Finally, we discuss didactic implications such as that digital tools contribute to an exploratory approach and increase students' involvement and motivation. Another implication is that all schools do not have access to digital tools and that technical problems can arise when using these, which can lead to a reduction of teaching time. As a proposal for further research, we see an opportunity to look at how the creation and display of video clips affect pupils' learning in geometry.
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Aliatti, Camila. "Fábrica de matemática : aprendizagem de geometria via confecção e mainipulação de objetos digitais e não-digitais." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/171021.

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O presente estudo propõe-se responder à questão de investigação: como podemos abordar conceitos de geometria plana com estudantes de sexto ano por meio de confecção de objetos manipulativos digitais e não-digitais, permitindo que estes se reconheçam como fabricantes de seu próprio conhecimento? A pesquisa apresenta uma proposta de atividade em que estudantes foram convidados a serem fabricantes de seu próprio conhecimento, mais especificamente de conhecimentos de geometria plana. Por meio da confecção e manipulação de objetos digitais e não-digitais, os estudantes transformaram a sala de aula em uma Fábrica de Matemática. O estudo foi desenvolvido durante o ano de 2016, com uma turma de sexto ano de uma escola municipal de Sapucaia do Sul, no horário regular de aula. Apoiada na teoria do construcionismo de Seymour Papert, na pedagogia da autonomia de Paulo Freire e na aprendizagem cooperativa e por equipes de Jean Piaget, e utilizando o estudo de caso como metodologia, o presente trabalho apresenta uma experiência de abordagem de conceitos de geometria plana – área, perímetro, paralelismo e perpendicularismo, entre outros – que permitiu o reconhecimento, por parte dos estudantes, da possibilidade de se tornarem agentes ativos na construção dos seus conhecimentos. Além disso, percebeu-se quanto aos resultados, que quando lhes são oferecidas diferentes oportunidades para aprendizagem, os estudantes podem se tornar sujeitos críticos, autônomos e produtores de conhecimento.
The present study proposes to answer the research question: how can we approach concepts of flat geometry with sixth-year students by making digital and non-digital manipulative objects, allowing them to recognize themselves as manufacturers of their own knowledge? The research presents a proposal of activity in which students were invited to be manufacturers of their own knowledge, more specifically of knowledge of flat geometry. Through the making and manipulation of digital and non-digital objects, students transformed the classroom into a Mathematics Factory. The study was developed during 2016, with a sixth grade class from a municipal school in Sapucaia do Sul, at regular school hours. Based on the construction theory of Seymour Papert, Paulo Freire 's pedagogy of autonomy and cooperative and team learning by Jean Piaget, and using the case study as methodology, the present work presents an experience of approaching concepts of flat geometry - area, perimeter, parallelism and perpendicularism, among others - that allowed the students to recognize the possibility of becoming active agents in the construction of their knowledge. In addition, it was perceived as to the results, that when they are offered different opportunities for learning, students can become critical, autonomous subjects and producers of knowledge.
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Larsson, Emma, and Lena Hansemark. "Tvådimensionella figurer i digitala läromedel : En innehållsanalys av digitala läromedel i grundskolans årskurs 1–3 med fokus på tvådimensionella figurer." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-84672.

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Detta arbete berör ämnesområdet matematik med inriktning geometri. Syftet med detta arbete har varit att analysera olika digitala läromedel för grundskolans årskurs 1–3 för att synliggöra hur innehållet kan förstås utifrån olika lärteorier. De vetenskapliga lärteorierna som ligger till grund för detta arbete är Variationsteorin och van Hieles teori för geometriskt tänkande. I analysen har geometriuppgifter gällande tvådimensionella figurer analyserats utifrån variationsteorin, kring variationsmönster och kritiska aspekter. Samma uppgifter analyserades även utifrån van Hieles teori kring nivåer och faser för det geometriska tänkandet. En innehållsanalys gav oss möjlighet att undersöka både hur frekvent en viss aspekt av de olika teorierna förekom men även hur uppgifter i de valda digitala läromedlen kunde förstås enligt de två teorierna. Resultatet av denna innehållsanalys visade att innehållsmässig variation i uppgifter kan bidra till förståelse för tvådimensionella figurer och dess egenskaper. Resultatet visade även att det fanns möjlighet till progression av kunskaper om tvådimensionella figurer och dess egenskaper, detta genom uppgifter med varierande svårighetsgrader som avancerade inom och mellan årskurserna.
This study concerns the subject of mathematics with focus on geometry. The aim of this study has been to analyze different digital textbooks suited for compulsory school years 1-3 to visualize how the content can be understood based on different learning theories. This study is based on the Variation Theory and the van Hiele Model of Geometric Thinking. In this analysis, geometry assignments regarding two-dimensional figures have been analyzed based on patterns of variation and critical aspects of the Variation Theory. The same assignments were also analyzed based on van Hiele’s theory of levels and phases of geometric thinking. A content analysis gave us the opportunity to examine both how frequently a certain aspect of the various theories occurred but also how the assignments could be understood according to the two theories. The results of this study showed that content variation in assignments can contribute to an understanding of two-dimensional figures and their properties. The results also showed that there were opportunities for progression of knowledge about two-dimensional figures and their properties, this through assignments with varying degrees of difficulty that advanced within and between grades.
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Glamocic, Sanela, and Amanda Cajander. "Elevers samspelsstrategier i samband med digital storytelling i geometri." Thesis, Högskolan i Halmstad, Akademin för lärande, humaniora och samhälle, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-40018.

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Forskning som ingår i studien gällande digitala verktyg och geometriundervisning visar att elevers kunskaper i geometri är bristande. Det visar även att digitala verktyg används i mindre omfattning i matematikundervisningen i förhållande till andra ämnen trots att målet är att digitaliseringen ska öka i alla ämnen. Vidare visar forskning att digital storytelling har positiva effekter på förståelsen av komplexa begrepp samt utvecklingen av kommunikationsförmågan och den digital läskunnigheten. Men trots det har det inte implementerats i undervisningen. Syftet med den här studien är att utveckla kunskap om hur elever interagerar med varandra när de arbetar med digitala verktyg i form av digital storytelling i geometri, och mer specifikt, att besvara frågeställningen: Vilka samspelsstrategier använder elever när geometriundervisningen baseras på digital storytelling? För att besvara frågeställningen och uppnå studiens syfte har två klasser från två skolor i åldrarna 10- 12 studerats. Studien utgår ifrån ett sociokulturell perspektiv med fokus på språket som ett medierande redskap där elevernas samspelsstrategier har studerats utifrån verbal och icke-verbal kommunikation. Då undervisningen formas mer och mer utifrån det sociokulturella perspektivet ses ett intresse att titta på varför det visar positiva resultat och vad det är som sker mellan elever när de samspelar med varandra. Det här för att synliggöra vad som sker mellan elever när de arbetar med digital storytelling genom att titta på hur de interagerar med varandra. Datamaterialet har samlats in via videoinspelning där en interaktionsanalys har använts vid transkribering och analys av materialet. Resultatet visar att eleverna använder samspelsstrategier i form av verbal kommunikation tillsammans med blickar och andra detaljer samt verbal kommunikation tillsammans med kroppsspråk och rörelser. Slutligen diskuteras didaktiska implikationer såsom att införandet av digital storytelling i samband med flipped classroom kan ge möjlighet för elever att förbereda sig inför lektionerna och vara mer deltagande i klassrummet vilket kan bidra till att läraren kan skapa förutsättningar för djupare diskussioner och ämnesinnehåll. Som förslag på vidare forskning ser vi en möjlighet att undersöka vilken påverkan elevernas samspelsstrategier har på lärandet.
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Freitas, Celina José. "Saberes e fazeres na prática pedagógica dos professores de Matemática de Timor-Leste no contexto das tecnologias digitais." Universidade Estadual da Paraíba, 2015. http://tede.bc.uepb.edu.br/tede/jspui/handle/tede/2397.

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The schools, jointly the digital immigrants-those with little experience of technology (mostly teachers) - and digital natives-those who have knowledge of technology (the students) -, two groups with different ways of thinking, learning and acting. These differences are incorporate into the fear of the new and the lack of trainings for the teachers to face this generation of students for whom they have to teach. The problems are compound when the contents are the exact area, as is the case in disciplines such as mathematics, among others, and in schools with poor infrastructure. What to do? This questions that came in as a citizen of Timor-Leste, a teacher and a graduate student of the Master in Teaching Science and Mathematics of UEPB. In search for the answers, we decided for this research, which goal is to analyse the perception of teachers and students of basic education in Baucau/Timor- Leste. We seek theoretical support from authors such as Tardif (2011), D'Ambrosio (1996, 1999), Moita (2007), Nóvoa (2001), Moran (2013), Fiorentini (2003), Bicudo (2005) and Papert (2008), among others. This research was conduct in two schools in Timor-Leste, with the Subjects of Research, 10 mathematics teachers of the third cycle, divided into two groups: GTP-working groups of teachers and in two (public and private) elementary schools. In total, 50 students participated in the survey, members of the two referenced schools, along with two principals of both schools. Data collection was through observation of classes, standardized questionnaires and semi-structured interviews. This research is therefore qualitative, exploratory and descriptive. The results indicate that despite a number of courses observed teachers presented in everyday traditional methods. However, during the short course participants revealed they would like to use the software, especially in mathematics teaching and think again new line in the future because they believe that their lessons can be facilitate with the use of educational technologies. As the final product of this research we developed an e-book entitled " Learning by doing with Geogebra software " recorded on CD which includes teaching guide in Portuguese, with math curricula developed using Geogebra software, duly accompanied by a tutorial for the use of Mathematics’ teachers.
A escola é um local privilegiado para o encontro dos imigrantes digitais - pessoas que têm pouco conhecimento sobre tecnologias digitais (a maioria dos professores) - com os nativos digitais - os que têm conhecimento em tecnologias digitais (os alunos). Trata-se de dois grupos com diferentes formas de pensar, aprender e agir. A essas diferenças se incorporam o medo do novo e a falta de formação dos professores para enfrentarem essa geração de alunos aos quais eles têm que ensinar. Os problemas se agravam, quando os conteúdos são da área de exatas, como é o caso de disciplinas como a Matemática, entre outras, e em escolas com pouca infraestrutura. O que fazer? Um questionamento que me acompanha como cidadã de Timor-Leste (país localizado no sudeste asiático), professora do ensino básico e formadora do curso intensivo dos professores. Na procura de respostas, decidimos por esta investigação, cujo objetivo é pesquisar o saber e a prática pedagógica dos professores de matemática de Timor-Leste, no contexto das tecnologias digitais do ensino básica, em Baucau, um dos treze distritos do Timor- Leste. Buscamos apoio teórico em autores como: Tardif (2011), D’Ambrósio (1996, 1999), Moita (2007), Nóvoa (2001), Moran (2007; 2013), Fiorentini (2003), Bicudo (2005) e Papert (2008), entre outros. A pesquisa de campo foi realizada em duas escolas básicas (uma pública e uma privada) do Timor-Leste, e os sujeitos da pesquisa foram dez professores de Matemática do terceiro ciclo, divididos em dois grupos: o GTP - grupo de trabalho de professores das duas escolas básicas, 50 alunos do ensino básico e dois diretores das escolas referenciadas. A coleta de dados foi realizada através de observação da classe, aplicação de questionários e entrevistas padronizadas e semiestruturadas. Esta pesquisa é, pois, de caráter qualitativo, exploratório e descritivo. Os resultados indicam que apesar de alguns cursos de formação os professores observados apresentaram no cotidiano métodos tradicionais. No entanto, durante o minicurso os participantes revelaram que gostariam de usar os softwares, em especial no ensino matemática e pensam repetir nova formação no futuro pois acreditam que suas aulas podem ser facilitadas com a utilização de tecnologias da educação. Como produto final desta pesquisa elaboramos um e-book intitulado “Aprendendo Brincando com Software Geogebra” gravado em CD que engloba guia pedagógica em língua portuguesa, com conteúdos curriculares devidamente acompanhados de um tutorial para os docentes de Matemática usarem.
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Yuan, Xiao Chen. "Robust and geometric invariant digital image watermarking." Thesis, University of Macau, 2010. http://umaclib3.umac.mo/record=b2182875.

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Books on the topic "Digitale Geometrie"

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1931-, Rosenfeld Azriel, ed. Digital geometry: Geometric methods for digital picture analysis. Amsterdam: Elsevier, 2004.

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Geometric constraints for object detection and delineation. Boston: Kluwer Academic Publishers, 2000.

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Landmark-based image analysis: Using geometric and intensity models. Dordrecht: Kluwer Academic Publishers, 2001.

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Tomás, Lozano-Pérez, and Huttenlocher Daniel P, eds. Object recognition by computer: The role of geometric constraints. Cambridge, Mass: MIT Press, 1990.

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Geometry of digital spaces. Boston: Birkhäuser Boston, 1998.

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Rohr, Karl. Landmark-Based Image Analysis: Using Geometric and Intensity Models. Dordrecht: Springer Netherlands, 2001.

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M, Blackledge J., and Andrews Patrick R, eds. Fractal geometry in digital imaging. San Diego, Calif: Academic Press, 1998.

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Brandstätter, Gerhard. Projective photogrammetry: The successful prevention of a further development. Graz: Graz University of Technology, Institute of Applied Geodesy, 2000.

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Chen, Li. Discrete surfaces and manifolds: A theory of digital-discrete geometry and topology. Rockville, Md: Scientific & Practical Computing, 2004.

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Albrecht, Hübler, ed. Geobild '89: Proceedings of the 4th Workshop on Geometrical Problems of Image Processing, held in Georgenthal (GDR), March 13-17, 1989. Berlin: Akademie-Verlag, 1989.

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Book chapters on the topic "Digitale Geometrie"

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Aveneau, Lilian, Laurent Fuchs, and Eric Andres. "Digital Geometry from a Geometric Algebra Perspective." In Advanced Information Systems Engineering, 358–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-319-09955-2_30.

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Chen, Li M. "Geometric Measurements and Geometric Computing." In Digital and Discrete Geometry, 171–83. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12099-7_10.

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Chen, Li M. "Geometric Search and Geometric Processing." In Digital and Discrete Geometry, 201–27. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12099-7_12.

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Burger, Wilhelm, and Mark James Burge. "Geometric Operations." In Principles of Digital Image Processing, 1–64. London: Springer London, 2009. http://dx.doi.org/10.1007/978-1-84800-195-4_10.

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Sundararajan, D. "Geometric Transformations and Image." In Digital Image Processing, 163–88. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6113-4_6.

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Parkin, Alan. "Viewing Geometry." In Digital Imaging Primer, 165–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-540-85619-1_10.

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Parkin, Alan. "Coordinate Geometry." In Digital Imaging Primer, 61–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-540-85619-1_6.

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Parkin, Alan. "Object Geometry." In Digital Imaging Primer, 79–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-540-85619-1_7.

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Parkin, Alan. "Projection Geometry." In Digital Imaging Primer, 101–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-540-85619-1_8.

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Parkin, Alan. "Lens Geometry." In Digital Imaging Primer, 149–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-540-85619-1_9.

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Conference papers on the topic "Digitale Geometrie"

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Rao, Yongsheng, Ying Wang, You Zou, and Chuangzhong Li. "A New Algorithm of Geometric Fractal in Dynamic Geometry." In 2012 4th International Conference on Digital Home (ICDH). IEEE, 2012. http://dx.doi.org/10.1109/icdh.2012.67.

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Andreadis, Anthousis, Georgios Papaioannou, and Pavlos Mavridis. "Generalized digital reassembly using geometric registration." In 2015 Digital Heritage. IEEE, 2015. http://dx.doi.org/10.1109/digitalheritage.2015.7419572.

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Ivic, Aleksandar. "Number of digital convex polygons inscribed into an (m,m)-grid." In Vision Geometry II. SPIE, 1993. http://dx.doi.org/10.1117/12.165003.

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Kilimci, Perihan, and Oya Kalipsiz. "Geometric Modeling and Visualization of Moving Objects on a Digital Map." In Geometric Modeling and Imaging (GMAI '07). IEEE, 2007. http://dx.doi.org/10.1109/gmai.2007.17.

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Carneiro, Mónica, Ana Paula Aires, and Helena Campos. "LEARNING TO TEACH GEOMETRY AT A DISTANCE: DIGITAL RESOURCES FOR THE DEVELOPMENT OF GEOMETRIC REASONING." In 13th International Conference on Education and New Learning Technologies. IATED, 2021. http://dx.doi.org/10.21125/edulearn.2021.1173.

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Tirado, Gregorio Soria, Lidia Ortega, and Francisco R. Feito. "Geometry to web Jaen's Cathedral." In 2015 Digital Heritage. IEEE, 2015. http://dx.doi.org/10.1109/digitalheritage.2015.7413854.

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Min, Sung-Wook, and KiHong Choi. "Incoherent digital holography using geometric phase." In CIOP100, edited by Yue Yang. SPIE, 2018. http://dx.doi.org/10.1117/12.2506481.

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Zhang, Wenjun, Dong Miao, Guangyuan Fu, Chuan Li, and Xiaogang Yang. "Geometric preprocess research of digital image." In Multispectral Image Processing and Pattern Recognition, edited by Bir Bhanu, Jun Shen, and Tianxu Zhang. SPIE, 2001. http://dx.doi.org/10.1117/12.441500.

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Lei, Tianhu, J. Marc Simard, Wilfred Sewchand, and John M. Mathis. "Geometric distortion of digital angiography image." In Medical Imaging 1997, edited by Richard L. Van Metter and Jacob Beutel. SPIE, 1997. http://dx.doi.org/10.1117/12.273990.

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Herman, Gabor T. "Geometry of digital spaces." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Robert A. Melter, Angela Y. Wu, and Longin J. Latecki. SPIE, 1998. http://dx.doi.org/10.1117/12.323276.

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Reports on the topic "Digitale Geometrie"

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Proie, Robert, Ronald Polcawich, Jeff Pulskamp, Daniel Judy, and Joe Qiu. Parametric Approach to Determining the Optimum Geometry for PZT MEMS Switches Intended for Digital Applications. Fort Belvoir, VA: Defense Technical Information Center, December 2010. http://dx.doi.org/10.21236/ada538110.

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