Academic literature on the topic 'Leaf venation'

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Journal articles on the topic "Leaf venation"

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UNIYAL, Priyanka, Dharmendra Singh RAWAT, and Satish CHANDRA. "Leaf venation patterns in Saxifraga L. species (Saxifragaceae) of Indian Western Himalaya and its taxonomic implications." Notulae Scientia Biologicae 13, no. 3 (2021): 10915. http://dx.doi.org/10.15835/nsb13310915.

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In the present study leaf venation types of 30 Saxifraga L. species, found in Indian Western Himalaya, were studied. Out of these, leaf venation patterns of 20 species were not previously studied. In total, five major types of leaf venations- acrodomous (perfect-basal; perfect-suprabasal; imperfect-suprabasal), camptodromous (eucamptodromous), campylodromous, hyphodromous, and palinactinodromous – were recorded. Section Micranthes show palinactinodromous; section Ciliatae show mainly acrodromous; section Mesogyne show palinactinodromous; and sect. Porphyrion show acrodromous, eucamptodromous a
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Lu, Shenglian, Chunjiang Zhao, and Xinyu Guo. "Venation Skeleton-Based Modeling Plant Leaf Wilting." International Journal of Computer Games Technology 2009 (2009): 1–8. http://dx.doi.org/10.1155/2009/890917.

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A venation skeleton-driven method for modeling and animating plant leaf wilting is presented. The proposed method includes five principal processes. Firstly, a three-dimensional leaf skeleton is constructed from a leaf image, and the leaf skeleton is further used to generate a detailed mesh for the leaf surface. Then a venation skeleton is generated interactively from the leaf skeleton. Each vein in the venation skeleton consists of a segmented vertices string. Thirdly, each vertex in the leaf mesh is banded to the nearest vertex in the venation skeleton. We then deform the venation skeleton b
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Wang, Wei Yuan, Yuan Yuan Li, and Ping Wang. "Mechanical Analysis for Thin-Walled Stiffened Plates on the Base of Plants Venations Growth Algorithm." Applied Mechanics and Materials 541-542 (March 2014): 299–302. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.299.

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The reinforced shin shell structures are widely used in many fields such as mechanical, architecture, aerospace and shipbuilding, etc. The leaf can be seen as shin plate structures with stiffener (vein) and the venation distributions are closed related to the external environment load. Leaf venation growing algorithm is the abstract description of vein growing process and reflects an ideological of learning from nature. This article concerns the mechanical analysis for thin-walled stiffened plates, which consist of static mechanical behavior and dynamic performance. Numerical method is used to
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Agus, Ambarwari, Jafar Adrian Qadhli, Herdiyeni Yeni, and Hermadi Irman. "Plant species identification based on leaf venation features using SVM." TELKOMNIKA Telecommunication, Computing, Electronics and Control 18, no. 2 (2020): 726–32. https://doi.org/10.12928/TELKOMNIKA.v18i2.14062.

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The purpose of this study is to identify plant species using leaf venation features. Leaf venation features were obtained through the extraction of leaf venation features. The leaf image segmentation was performed to obtain the binary image of the leaf venation which is then determined the branching point and ending point. From these points, the extraction of leaf venation feature was performed by calculating the value of straightness, a different angle, length ratio, scale projection, skeleton length, number of segments, total skeleton length, number of branching points and number of ending p
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Agus, Ambarwari, Herdiyeni Yeni, and Hermadi Irman. "Biometric Analysis of Leaf Venation Density Based on Digital Image." TELKOMNIKA Telecommunication, Computing, Electronics and Control 16, no. 4 (2018): 1735–44. https://doi.org/10.12928/TELKOMNIKA.v16i4.7322.

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The density level in the leaf venation type has different characteristics. These different characteristics explain the environment in which plants grow, such as habitat, vegetation, physiology and climate. This research aims to measure of leaf venation density, leaf venation feature analysis and then identifying plants based on venation type. Stages of this research include leaf image data collection, segmentation, vein detection, feature extraction, feature selection, classification, evaluation and ending with analysis. The results of this study indicate that the level of leaf venation densit
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AKINLABI, Adebisi A., and Olaniran T. OLADIPO. "Venation studies of some species in the genus Ficus Linn. in Southwestern Nigeria." Notulae Scientia Biologicae 13, no. 2 (2021): 10760. http://dx.doi.org/10.15835/nsb13210760.

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The present study investigates the venation of ten species of the genus Ficus collected from Obafemi Awolowo University Ile-Ife (latitude 7° 31' 14.7612'' N and longitude 4° 31' 49.1340'' E) and the NACGRAB, Ibadan, Nigeria (latitude 7°23¢4²N and longitude 3°50¢31²E). The leaf venations of the species were carried out using standard methods. All photomicrographs of the features were taken with the aid of Amscope digital camera mounted on a celesterone binocular microscope. All data were subjected of analysis of variance using SAS software. The result revealed the Leaf venation pattern based on
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Shahid, M., A. Majid, M. Iqbal, T. Latif, M. J. Mirza, and F. A. Faiz. "Leaf Venation in Rice Oryza sativa L." International Rice Research Newsletter 16, no. 2 (1991): 11. https://doi.org/10.5281/zenodo.7218174.

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This article 'Leaf Venation in Rice Oryza sativa L' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.
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Maideen, Haja, Norlaila Najwa Rahman, Nur Aliah, et al. "Systematic Importance of Anatomical Characteristics on Selected Dennstaedtiaceae Species from Peninsular Malaysia." Malaysian Applied Biology 53, no. 3 (2024): 229–37. http://dx.doi.org/10.55230/mabjournal.v53i3.3056.

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Dennstaedtiaceae is a monophyletic fern family widespread in tropical and temperate regions. Data on the anatomy of its species in Peninsular Malaysia are still scarce. Here, we examined anatomical characteristics (leaf venations & shape of steles) among ten species of seven Dennstaedtiaceae genera recorded in Peninsular Malaysia. Two types of vein patterns were observed, most of them having open-leaf venation whereas closed venation was observed only in Histiopteris species. Four types of steles which were ‘U’-shaped, ‘I’-shaped, scattered, and a combination of ‘S’ and ‘W’-shaped and a co
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Ambarwari, Agus, Yeni Herdiyeni, and Irman Hermadi. "Identification of Venation Type Based on Venation Density using Digital Image Processing." Jurnal Teknoinfo 12, no. 2 (2018): 87. http://dx.doi.org/10.33365/jti.v12i2.127.

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Leaf venation is one biometric feature of leaves that have an important role in growth processes of the plant, and to determine the relationship of the plant physiology and the environment in which plants grow. At every different environment, plants have different types of leaf venation. It can be seen from the level of the leaf vein density. In this study, the feature of leaf vein density was used to identify the leaves based on venation type. The venation density features obtained from segmentation, vein detection, and density feature extraction of leaf venation. Identification of the venati
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Hongming Xu, and Dongjian He. "Venation-Skeleton Based Curly Leaf Modeling." INTERNATIONAL JOURNAL ON Advances in Information Sciences and Service Sciences 4, no. 6 (2012): 52–60. http://dx.doi.org/10.4156/aiss.vol4.issue6.6.

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Dissertations / Theses on the topic "Leaf venation"

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Oliveira, Caio Martins Ramos de. "Fluid distribution optimization in porous media using leaf venation patterns." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-11052017-124107/.

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Several examples of nearly optimal transport networks can be found in nature. These networks effectively distribute and drain fluids throughout a medium. Evidence suggests that blood vessels of the circulatory system, airways in the lungs and veins of leaf venations are examples of networks that have evolved to become effective in their tasks while simultaneously being energy efficient. Hence, it does not come as a surprise that recent performance improvements of modern power generating devices occur due to the use of nature-inspired channel architectures. Guided by this observations, in this
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Blonder, Benjamin. "Leaf Venation Networks Link Climate to Plant Form and Function." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/316935.

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Within each leaf is an intricate network of veins. The geometry of this network shows large variation across species and environments, paralleling variation in species' functioning and geographic distributions. Here I develop theory that links leaf venation networks to 1) the worldwide leaf economics spectrum, enabling better understandings of the resource tradeoffs that are central to the terrestrial carbon and water cycles, and 2) atmospheric temperature and carbon dioxide concentrations, enabling better use of leaf fossils for paleoclimate reconstruction. I successfully test these theories
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Ronellenfitsch, Henrik Michael [Verfasser], Eleni [Akademischer Betreuer] Katifori, and Annette [Akademischer Betreuer] Zippelius. "Leaf Venation Networks / Henrik Michael Ronellenfitsch. Betreuer: Eleni Katifori. Gutachter: Eleni Katifori ; Annette Zippelius." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://d-nb.info/1084330644/34.

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Muntoreanu, Thais Gomes. "Descrição e mapeamento de caracteres norfo-anatômicos foliares em Pilocarpus Vahl (Rutaceae) e gêneros relacionados." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/41/41132/tde-07072008-144140/.

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A maioria dos estudos filogenéticos envolvendo Rutaceae foi baseada em dados macromoleculares e poucos utilizaram gêneros neotropicais. Uma exceção a esses trabalhos, foi a análise filogenética de Pilocarpus, um gênero de Rutaceae neotropical, baseada em caracteres morfológicos proposta por Dias e colaboradores. Considerando a importância dos estudos anatômicos em análises cladísticas, os quais podem constituir uma importante fonte de informações para a própria definição de estados de caráter e conseqüente proposição de homologia primária dos caracteres, o presente estudo teve como objetivo in
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Ronellenfitsch, Henrik Michael. "Leaf Venation Networks." Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-0028-86D1-4.

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Cruz, Jorge Miguel Viana da. "Plant species identification through leaf venation extraction and CNNs." Master's thesis, 2020. http://hdl.handle.net/10451/48366.

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Tese de mestrado em Bioinformática e Biologia Computacional, Universidade de Lisboa, Faculdade de Ciências, 2020<br>O declínio no número de especialistas em taxonomia de plantas é um problema conhecido. Delegar parte do trabalho de identificação dos taxonomistas a modelos de aprendizagem automática ajudaria a reduzir o trabalho do número, cada vez menor, de profissionais disponível. Este projeto tem como objetivo testar a possibilidade de identificar quatro espécies de plantas diferentes exclusivamente pela nervação das suas folhas. Especificamente, criamos uma rede neuronal convolucional de a
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Chen, Qi Chuan, and 陳淇釧. "Leaf growth curve, venation and hydathodes of ficus formosana maxim." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/75333583442623821144.

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Feugier, François. "Models of Vascular Pattern Formation in Leaves." Phd thesis, 2006. http://tel.archives-ouvertes.fr/tel-00487510.

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J'étudie la formation du système vasculaire des feuilles des plantes à l'aide de modèles mathématiques. L'hypothèse de canalisation d'une phytohormone, l'auxin, stipule que l'auto activation de son transport entre les cellules crée des chemins préférentiels qui se différencieront plus tard en système vasculaire. J'entreprends une analyse numérique de modèles de canalisation sur une grande matrice et parviens à créer des motifs branchés dans lesquels circule l'auxin. Une analyse de stabilité d'un modèle simplifié nous éclaire sur les raisons de la formation de ces motifs et l'impossibilité de c
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Books on the topic "Leaf venation"

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Klucking, Edward P. The classification of leaf venation patterns. J. Cramer, 1995.

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Leaf venation patterns. Cramer, 1986.

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Leaf Venation Patterns: Myrataceae (Leaf Venation Patterns, Vol 3). Lubrecht & Cramer Ltd, 1988.

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Leaf Venation Patterns: Flacourtiaceae. Lubrecht & Cramer Ltd, 1992.

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Leaf Venation Patterns: Lauraceae. Lubrecht & Cramer Ltd, 1987.

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Leaf Venation Patterns: Combretaceae. Lubrecht & Cramer Ltd, 1991.

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The Classification of Leaf Venation Patterns (Leaf Venation Patterns Vol.7). Lubrecht & Cramer Ltd, 1985.

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Melastomataceae (Leaf Venation Patterns Volume 4). Lubrecht & Cramer Ltd, 1989.

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Georgiady, Michael Scot. Pattern formation in leaves: Dicot leaf venation. 1992.

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Brooker, Ian, and Dean Nicolle. Atlas of Leaf Venation and Oil Gland Patterns in the Eucalypts. CSIRO Publishing, 2013. http://dx.doi.org/10.1071/9780643109865.

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Atlas of Leaf Venation and Oil Gland Patterns in the Eucalypts is an aid to the identification of eucalypts in the field and a confirmation of the natural affinities between species and higher-level taxa on the basis of their comparative morphology. Its purpose is to standardise leaf venation and oil gland terminology and to demonstrate the taxonomic value of leaf venation and oil gland patterns within the eucalypts.&#x0D; The work discusses the visible features of the adult leaves of eucalypts as seen with reflected and transmitted light. Because venation and oil glands become obscure in drie
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Book chapters on the topic "Leaf venation"

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Högermann, Christiane. "Leaf Venation." In Tasks for vegetation science. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1872-6_2.

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Reis, A. H. "Leaf Shapes and Venation Patterns." In Understanding Complex Systems. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5049-8_3.

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Clarke, James, Sarah Barman, Paolo Remagnino, et al. "Venation Pattern Analysis of Leaf Images." In Advances in Visual Computing. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11919629_44.

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Park, Jin-Kyu, EenJun Hwang, and Yunyoung Nam. "A Venation-Based Leaf Image Classification Scheme." In Information Retrieval Technology. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11880592_32.

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Yao, Houpu, Rui Dai, and Hamidreza Marvi. "A Robust and Efficient Cooler Design Inspired by Leaf Venation." In Biomimetic and Biohybrid Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24741-6_25.

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Böttcher, Philipp C., Franz Kaiser, Henrik Ronellenfitsch, Vito Latora, and Dirk Witthaut. "Dual Communities Characterize Structural Patterns and Robustness in Leaf Venation Networks." In Complex Networks & Their Applications XII. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-53499-7_8.

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Cope, James S., Paolo Remagnino, Sarah Barman, and Paul Wilkin. "The Extraction of Venation from Leaf Images by Evolved Vein Classifiers and Ant Colony Algorithms." In Advanced Concepts for Intelligent Vision Systems. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17688-3_14.

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Balangcod, Ashlyn Kim D., and Jaderick P. Pabico. "Extracting Graphs from Plant Leaf Venations Using Image Processing." In Fourth International Conference on Image Processing and Capsule Networks. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-7093-3_8.

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Rapacz Maciej and Łazarz Radosław. "Automatic Extraction of Leaf Venation Complex Networks." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2020. https://doi.org/10.3233/faia200309.

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Taiz, Lincoln, Eduardo Zeiger, Ian Max Møller, and Angus Murphy. "Vegetative Growth and Senescence." In Fundamentals of Plant Physiology. Oxford University Press, 2018. http://dx.doi.org/10.1093/hesc/9781605357904.003.0016.

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This chapter focuses on vegetative growth and plant senescence. During seedling establishment, the basic polarities of the seedling axes are set up and the major tissue types are differentiated. The next developmental stage produces the mature primary plant body. In the shoot, numerous leaves form and specialized cell types differentiate. Throughout the vegetative life of the plant, the process of leaf senescence recycles organic constituents and mineral nutrients from old to newly formed leaves. Eventually, the whole plant undergoes senescence as a result of a combination of genetic and envir
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Conference papers on the topic "Leaf venation"

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Mounsef, Jinane, and Lina Karam. "Automated analysis of leaf venation patterns." In 2011 Ieee Workshop On Computational Intelligence For Visual Intelligence - Part Of 17273 - 2011 Ssci. IEEE, 2011. http://dx.doi.org/10.1109/civi.2011.5955019.

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Runions, Adam, Martin Fuhrer, Brendan Lane, Pavol Federl, Anne-Gaëlle Rolland-Lagan, and Przemyslaw Prusinkiewicz. "Modeling and visualization of leaf venation patterns." In ACM SIGGRAPH 2005 Papers. ACM Press, 2005. http://dx.doi.org/10.1145/1186822.1073251.

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Keleqiqige, Qing, Xinyu Guo, Boxiang Xiao, and Weiliang Wen. "Venation Skeleton-based Modeling of Rice Leaf." In 2011 International Conference on Intelligent Computation Technology and Automation (ICICTA). IEEE, 2011. http://dx.doi.org/10.1109/icicta.2011.362.

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Jin, Wenbiao, Wenzhe Gu, and Zhifeng Zhang. "An Improved Method for Modeling of Leaf Venation Patterns." In 2009 2nd International Congress on Image and Signal Processing (CISP). IEEE, 2009. http://dx.doi.org/10.1109/cisp.2009.5302640.

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Couto, Julia M. Colleoni, Tiago Marcelino, Henry Braun, Diogo Strube de Lima, and Soraia Raupp Musse. "Generation of Cartoon 2D Cracks Based on Leaf Venation Patterns." In 2010 Brazilian Symposium on Games and Digital Entertainment (SBGAMES). IEEE, 2010. http://dx.doi.org/10.1109/sbgames.2010.22.

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Jin, Zhou, and Feixiang Han. "An Automatic Hierarchical Leaf Venation Segmentation Based on Region Growing." In 2020 IEEE 5th International Conference on Signal and Image Processing (ICSIP). IEEE, 2020. http://dx.doi.org/10.1109/icsip49896.2020.9339305.

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Codizar, Azeil Louisse, and Geoffrey Solano. "Plant leaf recognition by venation and shape using artificial neural networks." In 2016 7th International Conference on Information, Intelligence, Systems & Applications (IISA). IEEE, 2016. http://dx.doi.org/10.1109/iisa.2016.7785361.

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Yongxin Li and Kai Xue. "Hierarchical layout model for reinforcement inspired by Mechanics in leaf venation morphogenesis." In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5966139.

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Arrasco, Carlos, Sofia Khlebnikov, Arturo Oncevay, and Cesar Beltran Castanon. "Leaf Venation Enhancing for Texture Feature Extraction in a Plant Classification Task." In 2018 IEEE Latin American Conference on Computational Intelligence (LA-CCI). IEEE, 2018. http://dx.doi.org/10.1109/la-cci.2018.8625221.

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Yin, Wenshuang, Changcheng Xiang, Liming Tang, and Shiqiang Chen. "Venation extraction of leaf image by bi-dimensional empirical mode decomposition and morphology." In 2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC). IEEE, 2015. http://dx.doi.org/10.1109/iaeac.2015.7428697.

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