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# 边缘
## Reference
- [Prewitt operator](https://en.wikipedia.org/wiki/Prewitt_operator)
- [梯度与Roberts、Prewitt、Sobel、Lapacian算子](https://blog.csdn.net/swj110119/article/details/51777422)
- 1970 …
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Hi! I downloaded this project and try to run on my android studio but it doesn't show the canny edge detection it only shows the X and Y components and I think the color values whenever I press on the…
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@ymgw55 Following your script, I set nms threshold as 0.7, and even higher as 0.8 or 0.85, but still got the evaluation result like "ODS: 0.746, OIS: 0.776 AP: 0.769 R50: 0.925". A large gap between …
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I had lots of trouble getting the internal Image Hashing to correctly identify frames and matching them without too many false positives.
I was able to utilize [Emgu CV](http://www.emgu.com/wiki/in…
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figure out what sequence of filters we will run. Here is a list of all filters i will try:
- [ ] Brightness adjustments (histogram equalization). Specifically try CLAHE.
- [ ] Brightest pixel threshol…
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The detection can fail in low-lighting conditions, when the lines are still quite visible in the camera image. See if this can be conmpensated by adapting some camera and/or image processing parameter…
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I use inner package in open-cv to generate ground truth edge map, below is the code:
`edges = cv2.Canny(image, threshold1=100, threshold2=200)`
Do you also use this to generate the edge map, if so,…
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Implement filters mentioned belows:
- Canny Filter
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recently i found https://github.com/CihanTopal/ED_Lib and i see it contains useful algorithms valuable to be included in OpenCV
firstly i contacted with the author and take his permission.
i want …
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Lets check what other teams do:
- Check what BHuman/HTWK/... do
- Read again Justus BA