CS-498 Computer Vision Week 8, Day 3 Thresholding and morphological operators My thesis? 1.

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Presentation transcript:

CS-498 Computer Vision Week 8, Day 3 Thresholding and morphological operators My thesis? 1

Thresholding 2

Variations Choose T automatically (e.g. Otsu) Choose a different T for every pixel, based on neighbors (adaptive thresholding) One application: Finding blood vessels in CT scans of the liver Another: Finding chessboard corners 3

Morphological Operations Morphology has to do with how things are connected The mathematical field looks at connections without any regard to shape (donut == coffee cup) In computer vision, it looks at binary images – images that are black and white – and the neighboring pixels in these images 4

5