Cell Segmentation in Phase Contrast Microscopy Images Via Semi-Supervised Classification Over Optics-Related Features
Phase-contrast microscopy is one of the most common and convenient imaging modalities to observe long-term multi-cellular processes, which generates images by the interference of lights passing through transparent specimens and background medium with different retarded phases. Despite many years of study, computer-aided phase contrast microscopy analysis on cell behavior is challenged by image qualities and artifacts caused by phase contrast optics. Addressing the unsolved challenges, the authors propose (1) a phase contrast microscopy image restoration method that produces phase retardation features, which are intrinsic features of phase contrast microscopy, and (2) a semi-supervised learning based algorithm for cell segmentation, which is a fundamental task for various cell behavior analysis. Specifically, the image formation process of phase contrast microscopy images is first computationally modeled with a dictionary of diffraction patterns; as a result, each pixel of a phase contrast microscopy image is represented by a linear combination of the bases, which we call phase retardation features. Images are then partitioned into phase-homogeneous atoms by clustering neighboring pixels with similar phase retardation features. Consequently, cell segmentation is performed via a semi-supervised classification technique over the phase-homogeneous atoms. Experiments demonstrate that the proposed approach produces quality segmentation of individual cells and outperforms previous approaches.
H. Su et al., "Cell Segmentation in Phase Contrast Microscopy Images Via Semi-Supervised Classification Over Optics-Related Features," Medical Image Analysis, vol. 17, no. 7, pp. 746-765, Elsevier, Oct 2013.
The definitive version is available at http://dx.doi.org/10.1016/j.media.2013.04.004
Keywords and Phrases
Cell Segmentation; Phase Retardation; Phase-Contrast Microscopy Images; Semi-Supervised Classification; Sparse Representation; Computer Aided Analysis; Image Reconstruction; Pixels; Supervised Learning; Algorithm; Article; Cell Function; Cell Membrane; Cell Segmentation; Cellular Parameters; Computer Aided Design; Human; Image Analysis; Image Quality; Mitosis; Phase Contrast Microscopy; Priority Journal; Cell Segmentation; Phase Contrast Microscopy Image; Phase Retardation Feature; Semi-Supervised Classification; Sparse Representation; Algorithms; Artifacts; Artificial Intelligence; Cell Tracking; Image Enhancement; Image Interpretation; Computer-Assisted; Microscopy; Phase-contrast; Pattern Recognition; Automated; Reproducibility of Results; Sensitivity and Specificity
International Standard Serial Number (ISSN)
Article - Journal
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