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Results tagged with edge-detection
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user 54457
Edge detection is the process of identifying points in an image, where image brightness changes sharply.
1
vote
What are the limitations of Watershed Segmentation Algorithm?
Quoting T A: "Canny is an edge detection algorithm, while WST is a segmentation algorithm.".
The main limitation of WST in that context is that it depends on the quality of the edge detection.
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1
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What is Maximally Stable Extremal Regions (MSER)?
You can see this using 1d path:
stable region is where change of the threshold does not change the area of the region. so its contrast it relatively high.
look at the surface of the image
the steppe …
- 387
0
votes
Chapter 4, section 4.2.1. in Szelisky computer vision, is there a mistake?
The 2nd directional is a linear combination of the 2nd derivative in each direction.
The Laplacian is a specific combination as such.
The source you linked indeed specify that in practice it coincide: …
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