Transcription of Lecture 4: Thresholding - Informatics Homepages …
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Lecture 4: Thresholding - Informatics Homepages …
Lecture 4: Thresholdingc Bryan S. Morse, Brigham Young University, 1998 2000 Last modified on Wednesday, January 12, 2000 at 10:00 , Section IntroductionSegmentation involves separating an image into regions (or their contours) corresponding to objects. We usually tryto segment regions by identifying common properties. Or, similarly, we identify contours by identifyingdifferencesbetween regions (edges).The simplest property that pixels in a region can share is intensity. So, a natural way to segment such regions isthroughthresholding, the separation of light and dark creates binary images from grey-level ones by turning all pixels below some threshold to zero and allpixels about that threshold to one. (What you want to do with pixels at the threshold doesn t matter, as long as you reconsistent.)
Lecture 4: Thresholding c Bryan S. Morse, Brigham Young University, 1998–2000 Last modified on Wednesday, January 12, 2000 at 10:00 AM. Reading
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