All Questions
Tagged with computer-vision algorithms
23
questions
2
votes
1
answer
641
views
Safe Point Thinning Algorithm - How to?
I am relatively new to image processing and am working on a project that requires the thinning of binary images. In the literature, I've seen references to the Safe Point Thinning Algorithm(SPTA) ...
- 121
4
votes
2
answers
989
views
Qualitative Evaluation of Interest-Point-Detectors and Descriptors in Computer Vision
I'm writing on a qualitative evaluation study of interest-point-detectors and descriptors. I've read all Mikolajczyk papers as well as most of the surves from Datta et al. etc. Now I'm implementing an ...
- 231
4
votes
2
answers
164
views
Struggling to find a good definiton for Gabor-Descriptor
I am attempting to implement the Gabor Descriptor based on the following paper Image Copy Detection Using a Robust Gabor Texture Descriptor. It is the best paper that I have found on the subject. It ...
- 275
1
vote
1
answer
1k
views
is it possible to matching b / w images without feature extraction steps? if possible which algorithm may be more suitable?
these are example of my image
i have a 245 images similar to it ,i obtained these b/w images after preprocessing stage , i want to use them for recognition persons(not verification) in matlab. can i ...
- 171
15
votes
1
answer
6k
views
Binary robust independent elementary features ("BRIEF") understanding
How are the descriptors in the BRIEF algorithm matched to each other?
How is the template image found in the another image? How do we compare the descriptors?
I have read that article but didn't ...
- 461
-1
votes
1
answer
480
views
Which are the steps to extract contours/shapes from depth videos?
I am trying to create a histogram of the depth videos (converted to grayscale first) in order to apply a threshold to keep only highest values, and then do some dilation in order to extract contours. ...
- 11
17
votes
3
answers
7k
views
Contours matching - finding contours displacement
I found contours on two images with same object and I want to find displacement and rotation of this object. I've tried with rotated bounding boxes of this contours and then its angles and center ...
- 317
7
votes
1
answer
1k
views
Skel to infinity morphological operations on 3D volume
I have a 3D volume image that consists of 2D tomographic images. In MatLab, for 2D images, we can use bwmorph and call for 'skel' operation to infinity to get a pixel thick overall outline of the ...
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