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1

Shrestha, Ujjwal. "Automatic Liver and Tumor Segmentation from CT Scan Images using Gabor Feature and Machine Learning Algorithms." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1522411364001198.

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Gasslander, Maja. "Segmentation of Clouds in Satellite Images." Thesis, Linköpings universitet, Datorseende, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-128802.

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The usage of 3D modelling is increasing fast, both for civilian and military areas, such as navigation, targeting and urban planning. When creating a 3D model from satellite images, clouds canbe problematic. Thus, automatic detection ofclouds inthe imagesis ofgreat use. This master thesis was carried out at Vricon, who produces 3D models of the earth from satellite images.This thesis aimed to investigate if Support Vector Machines could classify pixels into cloud or non-cloud, with a combination of texture and color as features. To solve the stated goal, the task was divided into several subpr

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3

Jamborová, Soňa. "Segmentace obrazu pomocí neuronové sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-236925.

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This work is about suggestion of the software for neural network based image segmentation. It defines basic terms for this topics. It is focusing mainly at preperation imaging information for image segmentation using neural network. It describes and compares different aproaches for image segmentation.

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önder, gül, and aydın kayacık. "Multiview Face Detection Using Gabor Filter and Support Vector Machines." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-2152.

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<p>Face detection is a preprocessing step for face recognition algorithms. It is the localization of face/faces in an image or image sequence. Once the face(s) are localized, other computer vision algorithms such as face recognition, image compression, camera auto focusing etc are </p><p>applied. Because of the multiple usage areas, there are many research efforts in face processing. Face detection is a challenging computer vision problem because of lighting conditions, a high degree of variability in size, shape, background, color, etc. To build fully

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5

Almeida, Osvaldo Cesar Pinheiro de. "Técnicas de processamento de imagens para localização e reconhecimento de faces." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-22012007-160023/.

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A biometria é a ciência que estuda a mensuração dos seres vivos. Muitos trabalhos exploram as características dos seres humanos tais como, impressão digital, íris e face, a fim de desenvolver sistemas biométricos, utilizados em diversas aplicações (monitoramento de segurança, computação ubíqua, robótica). O reconhecimento de faces é uma das técnicas biométricas mais investigadas, por ser bastante intuitiva e menos invasiva que as demais. Alguns trabalhos envolvendo essa técnica se preocupam apenas em localizar a face de um indivíduo (fazer a contagem de pessoas), enquanto outros tentam identif

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6

Kiernan, Mary. "Implementation and design of the discrete Gabor filter for sonar texture classification." Thesis, Heriot-Watt University, 1995. http://hdl.handle.net/10399/766.

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Konuk, Baris. "Palmprint Recognition Based On 2-d Gabor Filters." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608138/index.pdf.

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In this thesis work, a detailed analysis of biometric technologies has been done and a new palmprint recognition algorithm has been implemented. The proposed algorithm is based on 2-D Gabor filters. The developed algorithm is first tested on The Hong Kong Polytechnic University Palmprint Database in terms of accuracy, speed and template size. Then a scanner is integrated into the developed algorithm in order to acquire palm images<br>in this way an online palmprint recognition system has been developed. Then a small palmprint database is formed via this system in Middle East Technical Universi

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8

Davis, Craig Alton Denney Thomas Stewart. "Applications of multi-channel filter banks to textured image segmentation." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Summer/Theses/DAVIS_CRAIG_12.pdf.

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9

Ravikumar, Rahul. "Multi-scale texture analysis of remote sensing images using gabor filter banks and wavelet transforms." Thesis, [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3175.

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10

Mar, Nang Seng Siri. "Vision-based classification of solder joint defects." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/37273/1/Nang_Mar_Thesis.pdf.

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Inspection of solder joints has been a critical process in the electronic manufacturing industry to reduce manufacturing cost, improve yield, and ensure product quality and reliability. The solder joint inspection problem is more challenging than many other visual inspections because of the variability in the appearance of solder joints. Although many research works and various techniques have been developed to classify defect in solder joints, these methods have complex systems of illumination for image acquisition and complicated classification algorithms. An important stage of the analysis

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11

Hong, Paul S. "Octave-band Directional Decompositions." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7210.

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A new two-dimensional transform is derived and implemented that is able to discriminate with respect to angular and radial frequency. This octave-band directional filter bank (OBDFB) is maximally decimated, has a separable polyphase implmentation, provides perfect reconstruction, and can be implemented in a tree structure allowing for a somewhat arbitrary number of angular and radial divisions. This decomposition is based on the directional filter bank (DFB) and is compared to other transforms with similar properties. Additionally, the OBDFB is used in three applications. Texture segmentat

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12

Hammarqvist, Ulf. "Audio editing in the time-frequency domain using the Gabor Wavelet Transform." Thesis, Uppsala universitet, Centrum för bildanalys, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-153634.

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Visualization, processing and editing of audio, directly on a time-frequency surface, is the scope of this thesis. More precisely the scalogram produced by a Gabor Wavelet transform is used, which is a powerful alternative to traditional techinques where the wave form is the main visual aid and editting is performed by parametric filters. Reconstruction properties, scalogram design and enhancements as well audio manipulation algorithms are investigated for this audio representation.The scalogram is designed to allow a flexible choice of time-frequency ratio, while maintaining high quality reco

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13

Ouyang, Dingxin. "Intelligent Road Control System Using Advanced Image Processing Techniques." University of Toledo / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1352749656.

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14

Sa, Gustavo Ferreira Cardoso de. "Melhorias no reconhecimento de impressões digitais baseado no metodo FingerCode." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259831.

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Orientador: Roberto de Alencar Lotufo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-07T11:27:50Z (GMT). No. of bitstreams: 1 Sa_GustavoFerreiraCardosode_M.pdf: 2313623 bytes, checksum: ca6abbf3a186c9d5bed2d6b1e73e3a9f (MD5) Previous issue date: 2006<br>Resumo: Neste trabalho são apresentadas melhorias na robustez do método FingerCode para reconhecimento de impressões digitais. No FingerCode a textura dos componentes orientados das impressões digitais são extraídas por um banco direcional

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15

Wang, Shanshan. "Study of analytic and trained dictionaries for sparse representation and its applications." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/11486.

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Inverse problems are ubiquitous in the field of medical imaging and image processing. Prominent examples include image reconstruction and image denoising. The goal of these problems is to reconstruct or restore an unknown image from a set of direct/indirect measurements. However, due to the limitation of the acquisition time or the existence of noise, the obtained measurements are often corrupted or incomplete, which introduces big challenges for the reconstruction process. In order to remove the noise or overcome the ill-posed nature caused by the insufficient measurements, it is necessary to

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16

Zamazal, Zdeněk. "Ohodnocení okolí bodů v obraze." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-236969.

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This master thesis is focused on parametrization of image point neighborhood. Some methods for point localization and point descriptors are described and summarized. Gabor filter is described in detail. The practical part of thesis is chiefly concerned with particle filter tracking system. The weight of each particle is determined by the Gabor filter.

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17

Ould, Amer Khadidja. "Prétraitements des images sous-marines basés sur la polarisation et le filtrage fréquentiel : application offshore Enhancing underwater optical imaging by using a low-pass polarization filter, in Optics Express 27(2), 2019." Thesis, Brest, 2019. http://www.theses.fr/2019BRES0049.

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L'étude du milieu sous-marin nécessite des avancées technologiques importantes notamment en ce qui concerne le développement des véhicules sous-marins autonomes et en particulier, leurs capteurs de perception. Le travail de cette thèse avait pour objectif d'apporter des solutions permettant d'améliorer la qualité des images sous-marines dans le but de promouvoir l'emploi des robots sous-marins autonomes. La rapidité de calcul est un point très essentiel, car les robots autonomes sont limités par les contraintes d'énergie, la capacité de calcul et de stockage. Dans ce contexte, une méthode rapi

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18

Nutakki, Gopi Chand. "Appearance Based Stage Recognition of Drosophila Embryos." TopSCHOLAR®, 2010. http://digitalcommons.wku.edu/theses/217.

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Stages in Drosophila development denote the time after fertilization at which certain specific events occur in the developmental cycle. Stage information of a host embryo, as well as spatial information of a gene expression region is indispensable input for the discovery of the pattern of gene-gene interaction. Manual labeling of stages is becoming a bottleneck under the circumstance of high throughput embryo images. Automatic recognition based on the appearances of embryos is becoming a more desirable scheme. This problem, however, is very challenging due to severe variations of illumination

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19

Fonseca, Everthon Silva. "Wavelets, predição linear e LS-SVM aplicados na análise e classificação de sinais de vozes patológicas." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/18/18133/tde-04072008-094655/.

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Neste trabalho, foram utilizadas as vantagens da ferramenta matemática de análise temporal e espectral, a transformada wavelet discreta (DWT), além dos coeficientes de predição linear (LPC) e do algoritmo de inteligência artificial, Least Squares Support Vector Machines (LS-SVM), para aplicações em análise de sinais de voz e classificação de vozes patológicas. Inúmeros trabalhos na literatura têm demonstrado o grande interesse existente por ferramentas auxiliares ao diagnóstico de patologias da laringe. Os componentes da DWT forneceram parâmetros de medida para a análise e classificação das vo

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20

Liang, Xusheng. "Comparative study of table layout analysis : Layout analysis solutions study for Swedish historical hand-written document." Thesis, Blekinge Tekniska Högskola, Institutionen för datalogi och datorsystemteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-17643.

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Background. Nowadays, information retrieval system become more and more popular, it helps people retrieve information more efficiently and accelerates daily task. Within this context, Image processing technology play an important role that help transcribing content in printed or handwritten documents into digital data in information retrieval system. This transcribing procedure is called document digitization. In this transcribing procedure, image processing technique such as layout analysis and word recognition are employed to segment the document content and transcribe the image content into

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21

Bouwer, Pieter. "Modelling, design and implementation of a small-scale, position sensorless, variable speed wind energy conversion system incorporating DTC-SVM of a PMSG drive with RLC filter." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80242.

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Thesis (MScEng)--Stellenbosch University, 2013.<br>Wind energy has proven to be a viable source of clean energy, and the worldwide demand is growing rapidly. Variable speed topologies, with synchronous generators and full-scale converters, are becoming more popular, and the e ective control of these systems is a current trend in wind energy research. The purpose of this study is the modelling, design, simulation and implementation of a small-scale, variable speed wind energy conversion system, incorporating the position sensorless direct torque control with space vector modulation, of a

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22

Vaľko, Tomáš. "Biologicky inspirované metody rozpoznávání objektů." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-237033.

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Object recognition is one of many tasks in which the computer is still behind the human. Therefore, development in this area takes inspiration from nature and especially from the function of the human brain. This work focuses on object recognition based on extracting relevant information from images, features. Features are obtained in a similar way as the human brain processes visual stimuli. Subsequently, these features are used to train classifiers for object recognition (e.g. SVM, k-NN, ANN). This work examines the feature extraction stage. Its aim is to improve the feature extraction and t

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23

Albanwan, Hessah AMYM. "Remote Sensing Image Enhancement through Spatiotemporal Filtering." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492011122078055.

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24

Hymér, Pontus. "Extraction and Application of Secondary Crease Information in Fingerprint Recognition Systems." Thesis, Linköping University, Department of Science and Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2951.

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<p>This thesis states that cracks and scars, referred to as Secondary Creases, in fingerprint images can be used as means for aiding and complementing fingerprint recognition, especially in cases where there is not enough clear data to use traditional methods such as minutiae based or correlation techniques. A Gabor filter bank is used to extract areas with linear patterns, where after the Hough Transform is used to identify secondary creases in a r, theta space. The methods proposed for Secondary Crease extraction works well, and provides information about what areas in an image contains usab

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25

Zuo, Tianyu. "An Efficient Vision-Based Pedestrian Detection and Tracking System for ITS Applications." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31778.

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In this thesis, a novel Pedestrian Protection System (PPS), composed of the Pedestrian Detection System (PDS) and the Pedestrian Tracking System (PTS), was proposed. The PPS is a supplementary application for the Advanced Driver Assistance System, which is used to avoid collisions between vehicles and pedestrians. The Pedestrian Detection System (PDS) is used to detect pedestrians from near to far ranges with the feature-classi er-based detection method (HOG + SVM). To achieve pedestrian detection from near to far ranges, a novel structure was proposed. The structure of our PDS consi

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Vladimir, Tadić. "Fazifikacija Gaborovog filtra i njena primena u detekciji registarskih tablica." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=107171&source=NDLTD&language=en.

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Disertacija prikazuje novi algoritam za detekciju i izdvajanje registarskih tablica iz slike vozila koristeći fazi 2D Gaborov filtar. Parametri filtra: orijentacija i talasna dužina su fazifikovani u cilju optimizacije odziva Gaborovog filtra i postizanja dodatne selektivnosti filtra. Prethodno navedeni parametri dominiraju u rezultatu filtriranja. Bellova i trougaona funkcija pripadnosti pokazale su se kao najbolji izbor pri fazifikaciji parametara filtra. Algoritam je evaluiran nad vi&scaron;e baza slika i postignuti su zadovoljavajući rezultati. Komponente od interesa su efikasno izdvojene

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Cunha, Camilla Lima. "Estudo da previsão de propriedades do biodiesel utilizando espectros de infravermelho e calibração multivariada." Universidade do Estado do Rio de Janeiro, 2014. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=7293.

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O biodiesel tem sido amplamente utilizado como uma fonte de energia renovável, que contribui para a diminuição de demanda por diesel mineral. Portanto, existem várias propriedades que devem ser monitoradas, a fim de produzir e distribuir biodiesel com a qualidade exigida. Neste trabalho, as propriedades físicas do biodiesel, tais como massa específica, índice de refração e ponto de entupimento de filtro a frio foram medidas e associadas a espectrometria no infravermelho próximo (NIR) e espectrometria no infravermelho médio (Mid-IR) utilizando ferramentas quimiométricas. Os métodos de regressão

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28

Vaňhara, Jaromír. "Vylepšení obrazu z ultrazvuku pro vizuální diagnostiku." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-237002.

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Ultrasound imaging is widely used in medical examination. However, the interpretation of images is not trivial and requires much experience. In this thesis, various techniques for enhancement of visual quality of ultrasound images are presented. Several basic and advanced methods that may simplify the visual diagnosis are described. Finally, an interactive application is designed and implemented for simple usage of presented methods.

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Srinivasan, Ramprakash. "Computational Models of the Production and Perception of Facial Expressions." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1531239299392184.

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Chrápek, David. "Učení a detekce objektů různých tříd v obraze." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236481.

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This paper is focused on object learning and recognizing in the image and in the image stream. More specifically on learning and recognizing humans or theirs parts in case they are partly occluded, with possible usage on robotic platforms. This task is based on features called Histogram of Oriented Gradients (HOG) which can work quite well with different poses the human can be in. The human is split into several parts and those parts are detected individually. Then a system of voting is introduced in which detected parts votes for the final positions of found people. For training the detector

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Monteiro-Palagi, Patricia. "Décomposition fréquentielle des textures : caractérisation et segmentation." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0182.

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Le theme de cette etude est l'analyse de la performance des attributs de textures extraits a partir d'une decomposition frequentielle similaire a celle realisee au niveau des premiers etages du cortex visuel. Par cette decomposition, des images sont segmentees en zones homogenes au sens de la texture. Pour analyser les distributions des caracteristiques produites, nous avons mis en place une methodologie d'analyse de donnees utilisant des techniques statistiques, neuronales et de traitement d'images. Les caracteristiques frequentielles sont issues d'une decomposition en multiresolution ou a ch

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32

Kolman, Aleš. "Detekce obličejů ve videu." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236583.

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The project is focused on face detection in video. Firstly, it contains a summary of basic color models. Secondly, you can find the description and comparison of the basic methods for detection of human skin with a practical example of implementation of parametric detector. Thirdly, a theoretical basis for face detection and face tracking in a video containing a list of basic concepts and methods of this issue follows. Greater emphasis is placed on the description of machine learning algorithm AdaBoost and description of the possible application of the Kalman filter for the purpose of face tra

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Maruniak, Lukáš. "Software pro biometrické rozpoznávání duhovky lidského oka." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2015. http://www.nusl.cz/ntk/nusl-235000.

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In my thesis, I focus on the task of recognizing human iris from an image.In the beginning, the work deals with a question of biometrics, its importance and basic concepts, which are necessary for use in following text. Subsequently process of human Iris detection is described together with theory of evolution algorithms. In the implementation part, is described the design of implemented solution, which uses evolution algorithms, where is emphasis on correct pupil and iris boundary detection.

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Bodnarova, Adriana. "Texture analysis for automatic visual inspection and flaw detection in textiles." Thesis, Queensland University of Technology, 2000.

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Chiu, Po-Sheng, and 邱柏勝. "Face Recognition System Based on Circularly Symmetrical Gabor Filter and SVM." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/gfg46q.

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碩士<br>國立中央大學<br>電機工程學系<br>103<br>In this thesis, the face recognition algorithm for the realization of Gabor filter and the support vector machine (SVM) classifier is proposed. In the proposed algorithm, the circularly symmetrical Gabor Filter (SCG Filter) is used to replace the traditional Gabor filter and the SVM classifier is integrated in the application of image recognition. While the face recognition algorithm based on the Gabor filter has good performance in improving robustness on face image variances, there are still some problems. The traditional Gabor filter has no rotation invarian

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HARIKESH. "HAND POSTURE RECOGNITION USING SKIN, TEXTURE AND SALIENCY MAP." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14982.

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Hand Gesture Recognition (HGR) systems are paying more attention in the present scenario due to a wide range of application in real life. These systems are based on the processing of an incoming digital image. In this thesis, the first task is to separate the hand from rest of the image. This can be achieved in several ways and depends on whether the image includes only a hand against a background or the entire person. All the techniques proposed have some limitations. Their performance is affected by the illumination or lighting conditions and complex backgrounds of the hand images. To overco

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HSIANG, Hu HISH, and 胡士祥. "Fingerprint Recognition Using Gabor Filter." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/07177690489814313804.

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Bhoi, Khagswar, and Dipesh Kumar Solanki. "Texture Segmentation Using Optimal Gabor Filter." Thesis, 2011. http://ethesis.nitrkl.ac.in/2490/1/Gabor--.pdf.

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Texture segmentation is one of the most important feature utilized in practical diagnosis because it can reveal the changing tendency of the image. A texture segmentation method based on Gabor lter is proposed in the project. This method synthesis the information of location, color and texture features to be the wight, this can make satisfactory segmentation according to texture of image. The experiment shows that overall rate correctness for this method exceeds 81%.

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Chen, Chun-wei, and 陳俊瑋. "A SVM Face Recognition Method Based on Gabor Feature Extraction." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/ryw274.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>94<br>The study in biometrics field has vigorous development these years, especially in feature-based recognition field. Since the September 11 attacks, there are more and more specialists dig into biometrics field to develop a security system to guard against the horror attacks; therefore, the study in face recognition has become one popular method in biometrics researches. However, the face recognition is the not easy to reach high recognition rate even though it is the most intuitional method. It is a good way to extract features by using Gabor filter, especially

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Chun-FuChen and 陳均富. "Texture Segmentation Based on Gabor Filter Banks." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/23964624055717417358.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>98<br>Texture plays a critical role in images and videos and different representation of one texture to another texture is a critical issue. This thesis explored the capability of Gabor filter banks in analyzing texture via the parameters of the bases of the Gabor filter. The versatile properties of Gabor filter bank includes (a) the multi-scale property in being adaptive to objects having different scales, (b) invariant features, including scale, shifting, and rotational invariance, (c) the ability to characterize natural textures with multiple directions, and (d

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Tu, Hsiu-Yun, and 涂秀雲. "An Enhanced Gabor Filter for face recognition." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/01300930535029503839.

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碩士<br>國立高雄第一科技大學<br>資訊管理系企業電子化碩士班<br>102<br>In this paper, we proposed a new face recognition which is based on maximizing-phase gabor filter for face feature enhancement. Then we use two-dimensional principal component analysis to convert the gabor filtered face images into a covariance matrix for each person. Final we use Euclidean distance to calculate the recognition results. The experimental results compare the proposed method with the traditional face recognition algorithm and shows that our method is better than the related methods.

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Chang, Chia-Chen, and 張家甄. "Breast Tumor Identification with Gabor Filter on Sonogram." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/35342916756910840333.

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碩士<br>國立宜蘭大學<br>資訊工程研究所碩士班<br>98<br>Evolution and use of ultrasonic technology are widely applied to the medical image. The ultrasound is the most popular way for making a diagnosis; however, a noisy ultrasound image will reduce its overall diagnostic efficiency. In order to real-time ultrasound scans for segmenting and identifying the tumors, the main purpose of my study is to develop an adaptive initial contouring method for segmenting tumors in ultrasound images, and using my proposed texture extraction method to provide a physician some tumor diagnosis information. In my research methodolo

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Wang, Song-Ren, and 王頌仁. "Lane Detection Based On Gabor Filter and Color Cue." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/uptzw7.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>106<br>In recent years, in order to avoid the accidents which are caused by the lack of recognition and miss judgement by drivers, the driving assistance system become a very popular issue. Lane detection plays an important role in the driving assistance system. The position of lane can provide information for system to give a warning when the vehicle occur departure or automatically correct the dangerous action in the future. This paper presents a texture-based method. Gabor filter is utilized to find the texture orientation on the image from monocular camera. Base

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Liao, Fu-Hsin, and 廖福信. "Textural feature extraction and texture reconstruction based on Gabor filter bank." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/25916543445350938297.

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碩士<br>逢甲大學<br>通訊工程所<br>93<br>The purpose of this thesis is to develop a scheme of texture analysis and reconstruction based on a Gabor filter bank. The peak frequency components of a given texture are extracted from the outputs of the Gabor filter bank in the spatial and spatio-frequency domain. The extraction process could be implemented by either a supervised or non-supervised manner. Grouping the extracted peak frequency components facilitates the texture segmentation procedure. Provided with the parameters of the peak frequency components for a given texture, the texture image is approxima

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Lee, Kun-Ta, and 李坤達. "Investigation on face identification using Gabor Filter and spiking neural networks." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/j3j463.

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Chang, Wen-Lin, and 臧文菱. "Gabor filter-aided Diagnosis System for 3D Ultrasonography with Variance Estimation." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/83039631671670164519.

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碩士<br>國立宜蘭大學<br>資訊工程研究所碩士班<br>97<br>Rationale and Objectives: The evaluate the accuracy of three-dimensional (3D) ultrasound in differentiating benign and malignant breast tumors by using neural network. Materials and Methods: The 3D US imaging was performed using a Voluson 530 scanner. The 5-10 MHz linear-array transducer with a scan width of 40 mm and a sweep angle of 20-25 is used to perform a 3-D volume scan. 3D ultrasonography was obtained from 192 patients with 128 benign and 64 malignant breast tumors. To computer-aided detection (CAD) technology Import the system. Choose the middle se

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Yang, Qing hong, and 楊慶鴻. "An Age Classification System Using Gabor Filter And Local Binary Pattern." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/41857639716028708545.

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碩士<br>長庚大學<br>電機工程學系<br>99<br>Abstract In age-based classification studies, it is found that accuracy and feature extraction are the two most important areas that need further improvement in the facial identification technique. Pre-processing and the actual content of input image also significantly affect the accuracy of facial identification. In previous studies, many researchers had adopted the complete image domain approach in the image processing, such as Principal Component Analysis (PCA) and Linear Discriminate Analysis (LDA). Since the complete image domain analysis method often ca

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Yi-SiouChen and 陳怡秀. "The Analysis of Collagen Fibers in Medical Images Using Gabor Filter Banks." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/45727917948958212334.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>101<br>Human contains many hidden information and we can acquire, analyze hidden information and farther interpret hidden information to understand physiological phenomena or disease. In biomedical research, acquiring and analyzing biomedical images can efficaciously prevent and detect disease. In this thesis, we analyze and gain understanding the structure and features of collagen fibers in human skin by optical in vivo virtual biopsy images. For the application of biomedical images to investigate the relationship between features of collagen fibers and human med

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Chen, Bin-Ge, and 陳秉哲. "A study of the intellectual IC Card with Gabor Filter for Fingerprint Authentication." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/96981157440572860219.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>92<br>Password is often the way for authentication conventionally, but may be the most dangerous one, because it could be easily stolen or counterfeited. However, the common authentication system that use password cannot be aware whether the password belong to this guest or not. In this aspect the fingerprint verification technology is just able to reform this drawback, because the fingerprint features are unique and cannot be stolen or counterfeited. For this reason, this technology is very suitable for authentication. The objective of this research is to build the

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Chen, Chun-Fu, and 陳俊富. "A Cabbage Image Classification Method Based on Gabor Filter and HSV Color Space." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/yhxgmq.

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碩士<br>國立中興大學<br>資訊科學與工程學系<br>103<br>This is a preliminary project intends to use advanced information and communication technologies to establish crop production prediction models for cabbage. This paper is about the image processing of the project, and uses some available methods and algorithm to help users to judge cabbage or not. This paper includes many simply but pretty effective methods. For exterior features of cabbage, use Gabor Filters to calculate directions of cabbage and use Sobel Operator Filter to enhance the edges, and use FFT method to get last results. For colors of cabbag

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