Results 231 to 240 of about 2,405,571 (281)

Clustering and classification of soybean leaves based on angle features. [PDF]

Front Plant Sci
Chen H, Zhang Y, Chen H, Sun G, Wu G, Liu F, Yang X, Ma Y, Wang X, Liu W.   +9 more
europepmc   +1 more source

Testing the Geometric Series Hypothesis for the Ascending Leaf Length Sequence per Culm in Six <i>Indocalamus</i> Bamboo Species. [PDF]

Plants (Basel)
Zhu Y, Yao W, Shi P.
europepmc   +1 more source

Species limits in Veronica hederifolia and relatives: experimental, morphometric, and phylogenetic approaches in a weedy polyploid complex. [PDF]

BMC Plant Biol
Albach DC, Kúr P.
europepmc   +1 more source

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Mechanism of Leaf-Shape Determination.

Annual Review of Plant Biology, 2006
Biodiversity of plant shape is mainly attributable to biodiversity of leaf shape and the shape of floral organs, the modified leaves. However, the exact mechanisms of leaf-shape determination remain unclear due to the complexity of flat-structure organogenesis that includes the simultaneous cell cycling and cell enlargement in primordia. Recent studies
Hirokazu Tsukaya
exaly   +3 more sources

Vascular Patterning and Leaf Shape

Current Opinion in Plant Biology, 2001
Morphogenesis of leaf shape and formation of the major elements of leaf vasculature are temporally coordinated during leaf development. Current analyses of mutant phenotypes provide strong support for the role of auxin signaling in vascular pattern formation and indicate that leaf shape and vasculature are developmentally coupled.
Julie Kang
exaly   +3 more sources

Effective shape features for leaf classification

Journal of Electronic Imaging, 2023
When conducting image classification, traditional and deep-learning based methods require extracting target features in different ways and then classifying targets based on the features. Therefore, extracting more informative and effective features is very important, and this problem also exists in plant leaf classification.
Hongjuan Zhang, Chuyi Dai, Keming Long, Zhaobin Wang   +3 more
openaire   +1 more source

Shape based leaf recognition

2013 21st Signal Processing and Communications Applications Conference (SIU), 2013
Humans carry out object recognition as a very primitive task. However, knowing all the detailed information regarding an object is mostly not possible. Therefore, object recognition and linking the object to associated data is a popular research area. In this study, we have measured leaf recognition performances of different feature and data sets using
Cihan Sari, Ceyhun Burak Akgül, Bülent Sankur   +2 more
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Shaping up: the genetic control of leaf shape

Current Opinion in Plant Biology, 2004
Leaf initiation at the shoot apical meristem involves a balance between cell proliferation and commitment to make primordia. Several genes, such as CLAVATA1, CLAVATA3, WUSCHEL, KNOTTED1, and PHANTASTICA, play key roles in these processes. When expressed in the leaf primordium, however, these 'meristem' genes can profoundly affect leaf shape and size ...
Sharon, Kessler, Neelima, Sinha
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Classification of leaf shapes and estimation of leaf mass

2012 International Conference on Green and Ubiquitous Technology, 2012
The goal of classifying leaves is to find potential correlation between visually-unrelated leaves and link them with leaf mass. We apply cluster analysis to distinguish over 20 typical kinds of leaves extracted from arbor species. This approach can preferably rule out odd-shaped leaves and classify them according to the metrics.
Yelin Hong, Zhengyu Chen, Junhua Qiu
openaire   +1 more source