论文标题

半自动生成紧密的二进制掩模和非凸层等等值,用于定量分析3D生物样品

Semi-Automatic Generation of Tight Binary Masks and Non-Convex Isosurfaces for Quantitative Analysis of 3D Biological Samples

论文作者

Bhide, Sourabh, Mikut, Ralf, Leptin, Maria, Stegmaier, Johannes

论文摘要

当前的体内显微镜可以使我们的完整生物体的详细时空成像(3D+T)详细介绍,并为其在细胞水平上的发育提供了见解。即使成像速度和质量稳步改善,完全自动化的分割和分析方法通常不够准确。在想象大型样品(100UM -1mm)并深处的样品中,尤其如此。果蝇胚胎发生被广泛用作发育范式,提出了这一挑战的例子,尤其是在细胞轮廓需要成像的情况下 - 在其他系统中也是一般挑战。为了处理果蝇胚胎的3D+t灯页显微镜图像时,我们开发了一系列半自动开源工具。提出的方法包括半自动掩蔽过程,非凸3D等曲面自动投影到2D表示以及细胞分割和跟踪。

Current in vivo microscopy allows us detailed spatiotemporal imaging (3D+t) of complete organisms and offers insights into their development on the cellular level. Even though the imaging speed and quality is steadily improving, fully-automated segmentation and analysis methods are often not accurate enough. This is particularly true while imaging large samples (100um - 1mm) and deep inside the specimen. Drosophila embryogenesis, widely used as a developmental paradigm, presents an example for such a challenge, especially where cell outlines need to imaged - a general challenge in other systems as well. To deal with the current bottleneck in analyzing quantitatively the 3D+t light-sheet microscopy images of Drosophila embryos, we developed a collection of semi-automatic open-source tools. The presented methods include a semi-automatic masking procedure, automatic projection of non-convex 3D isosurfaces to 2D representations as well as cell segmentation and tracking.

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