Celeganser: Automated Analysis of Nematode Morphology and Age

Linfeng Wang, Shu Kong, Zachary Pincus, Charless Fowlkes; Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, 2020, pp. 968-969

Abstract


The nematode Caenorhabditis elegans (C. elegans) serves as an important model organism in a wide variety of biological studies. In this paper we introduce a pipeline for automated analysis of C. elegans imagery for the purpose of studying life-span, health-span and the underlying genetic determinants of aging. Our system detects and segments the worm, and predicts body coordinates at each pixel location inside the worm. These coordinates provides dense correspondence across individual animals to allow for meaningful comparative analysis. We show that a model pre-trained to perform body-coordinate regression extracts rich features that can be used to predict the age of individual worms with high accuracy. This lays the ground for future research in quantifying the relation between organs' physiologic and biochemical state, and individual life/health-span.

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[bibtex]
@InProceedings{Wang_2020_CVPR_Workshops,
author = {Wang, Linfeng and Kong, Shu and Pincus, Zachary and Fowlkes, Charless},
title = {Celeganser: Automated Analysis of Nematode Morphology and Age},
booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops},
month = {June},
year = {2020}
}