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Results tagged with image-processing
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user 3298
In general, image processing is any form of signal processing for which the input is an image, such as a photograph or video frame.
2
votes
Accepted
How to adjust reverse range for Hue in cvInRangeS?
You can generate two different threshold images, one with hue in the range from 0 to 10 and the other with hue from 170 to 180. To get an image with hue in range both from 0 to 10 and 170 to 180, just …
- 581
2
votes
Automatical skyline alignment on image
You could try detecting line segments in the image for example using hough transform, or maybe lswms, edlines or lsd.
After detecting the lines, you can compute their length and angle and find the lo …
- 581
15
votes
What are the most common algorithms for adaptive thresholding?
You can find a paper containing a comparison of a number of thresholding methods here:
M. Sezgin, B. Sankur - Survey over image thresholding techniques and quantitative performance evaluation, Journ …
- 581
2
votes
Local Image Features Extraction for Road Signs
You could take a look at recent publications by Segvic et al, I know they have been working on the problems of traffic sign detection.
The basic idea was to use the Viola-Jones framework for object d …
- 581