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High precision automated detection of labeled nuclei in Gigapixel resolution image data of Mouse Brain

Sukhendu Das, View ORCID ProfileJaikishan Jayakumar, Samik Banerjee, Janani Ramaswamy, Venu Vangala, Keerthi Ram, Partha Mitra
doi: https://doi.org/10.1101/252247
Sukhendu Das
*Department of Computer Science & Engineering, Indian Institute of Technology Madras, Chennai, India
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Jaikishan Jayakumar
*Department of Computer Science & Engineering, Indian Institute of Technology Madras, Chennai, India
†Center for Computational Brain Research, Indian Institute of Technology Madras, Chennai, India
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Samik Banerjee
*Department of Computer Science & Engineering, Indian Institute of Technology Madras, Chennai, India
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Janani Ramaswamy
*Department of Computer Science & Engineering, Indian Institute of Technology Madras, Chennai, India
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Venu Vangala
*Department of Computer Science & Engineering, Indian Institute of Technology Madras, Chennai, India
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Keerthi Ram
‡Healthcare Technology Innovation Centre, Indian Institute of Technology Madras, Chennai, India
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Partha Mitra
§Cold Spring Harbor Laboratory, NY, USA
†Center for Computational Brain Research, Indian Institute of Technology Madras, Chennai, India
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Abstract

There is a need in modern neuroscience for accurate and automated image processing techniques for analyzing the large volume of neuroanatomical imaging data. Even at light microscopic levels, imaging mouse brains produces individual data volumes in the TerraByte range. A fundamental task involves the detection and quantification of objects of a given type, e.g. neuronal nuclei or somata, in brain scan dataset. Traditionally this quantification has been performed by human visual inspection with high accuracy, that is not scalable. When modern automated CNN and SVM-based methods are used to solve this classification problem, they achieve accuracy levels that range between 85 – 92%. However, higher rates of precision and recall that are close to that of human performance are necessary. In this paper, we describe an unsupervised, iterative algorithm, which provides a high performance for a specific problem of detecting Green Fluorescent Protein labeled nuclei in 2D scans of mouse brains. The algorithm judiciously combines classical computer vision techniques and is focused on the complex problem of decomposing strong overlapped objects of interest. Our proposed technique uses feature detection methods on ridge lines over distance transformation of the image and an arc based iterative spatial-filling method to solve the problem. We demonstrate our results on mouse brain dataset of Gigabyte resolution and compare it with manual annotation of the brains. Our results show that an aptly designed CV algorithm with classical feature extractors when tailored to this problem of interest achieves near-ideal human-like performance. Quantitative comparative analysis, using manually annotated ground truth, reveals that our approach performs better on mouse brain scans than general purpose machine learning (including deep CNN) methods.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-ND 4.0 International license.
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Posted March 25, 2019.
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High precision automated detection of labeled nuclei in Gigapixel resolution image data of Mouse Brain
Sukhendu Das, Jaikishan Jayakumar, Samik Banerjee, Janani Ramaswamy, Venu Vangala, Keerthi Ram, Partha Mitra
bioRxiv 252247; doi: https://doi.org/10.1101/252247
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High precision automated detection of labeled nuclei in Gigapixel resolution image data of Mouse Brain
Sukhendu Das, Jaikishan Jayakumar, Samik Banerjee, Janani Ramaswamy, Venu Vangala, Keerthi Ram, Partha Mitra
bioRxiv 252247; doi: https://doi.org/10.1101/252247

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