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Results tagged with opencv
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user 1212
OpenCV (Open Source Computer Vision) is a cross-platform library of programming functions for real time computer vision.
0
votes
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Scale and Rotation invariant color based feature descriptors
There is absolutely no difference in the way these algorithms operate over grayscale and RGB images and colour SIFT algorithms simply take into account the additional information contained in colour.
…
- 10.7k
7
votes
Accepted
Isolate the non blurred part of foucsed image
In general, this is an image segmentation problem (http://en.wikipedia.org/wiki/Image_segmentation) into which you would be trying to isolate the focused to the non-focused regions of the image.
Opti …
- 10.7k
0
votes
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Count the vehicles flow that pass over one bridge
You can do this with openCV, python, (openCV through Python), MATLAB, even off-line video processing.
Hope this helps. …
- 10.7k
3
votes
Accepted
How can I isolate a Hough circle that I perceive to be the best fit, but is ranked much lower?
The Hough Transform is "right". Because it searches for the most consistent "shape" given the accumulated values. If all you would like to do is to find the center of the spot, there are other techniq …
- 10.7k
1
vote
python: how to compute the sharpness features of image
I say "may" because the matrix used by opencv is also based on integers, so the rounding comes into play at a different region. …
- 10.7k
1
vote
Accepted
Low samples numbers machine vision training for object detection
If the camera has a shallow depth of focus and the background is mostly blurry and the foreground is only moving at one focal plane, why not use a simpler method, such as Template Matching?
Since the …
- 10.7k
1
vote
Accepted
python: how to compute the gray level histogram features as mentioned in the paper, and
(1) how to we compute the gray level histogram Hr , Hg , and Hb for each of the red, green, and blue channels.
The gray level histogram for each of the channels is simply the gray level histogram …
- 10.7k
3
votes
Accepted
How to detach overlapping contours but not to remove small ones. Alternative to erosion-dila...
I don't know if this is a corner case or the norm in your dataset but it is a relatively easy situation to deal with. It would be much more difficult to detect trees in an urban environment, for examp …
- 10.7k
1
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Is it possible to generate depth map from graycode sequence without using printed calibratio...
... if the camera's intrinsics are known and calibrated, is it possible to generate the depthmap fully automatically through a graycode sequence without any manual calibration process ?
Yes, prov …
- 10.7k