Motor neuron morphology estimation for its classification in the Drosophila brain.

Motor neuron morphology estimation for its classification in the Drosophila brain.
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运动神经元形态估计及其在果蝇大脑中的分类。

DOI:
10.1109/iembs.2011.6091911
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发表时间:
2011
期刊:
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
影响因子:
--
通讯作者:
Chiba,Akira
Chiba,Akira
中科院分区:
--
文献类型:
--
作者:
Tsechpenakis,Gavriil;Gamage,RuwanEgoda;Kim,MichaelD;Chiba,Akira

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Type-specific dendritic arborization patterns dictate synaptic connectivity and are fundamental determinants of neuronal function. We exploit the morphological stereotypy and relative simplicity of the Drosophila nervous system to model the diverse dendritic morphologies of individual motor neurons (MNs) to understand underlying principles of synaptic connectivity in a motor circuit. The genetic tractability of Drosophila allows us to label single MNs with green fluorescent protein (GFP) and serially reconstruct identifiable MNs in 3D with confocal microscopy. Our computational approach aims at the robust segmentation of the MN volumes and the simultaneous partitioning into their compartments, namely the soma, axon and dendrites. We use the idea of co-segmentation, where every image along the z-axis (depth) is clustered using information from `neighboring' depths. As appearance we use a 3D extension of Haar features and for the shape we define an implicit representation of the segmentation domain.
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