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Amir Hassan 2 years ago committed by GitHub
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@ -33,10 +33,15 @@ Renders a Star Wars like text crawl using nanovg (OpenGL). Encodes on the GPU.
https://user-images.githubusercontent.com/287266/204157553-758adaeb-e9b8-48eb-bc09-8098a5379d2b.mp4
## optflow-demo
My take on a optical flow visualization on top of a video. Uses nanovg for rendering (OpenGL) and decodes/encodes on the GPU.
My take on a optical flow visualization on top of a video. Uses nanovg for rendering (OpenGL), calculates the optical flow (OpenCL) and decodes/encodes on the GPU.
https://user-images.githubusercontent.com/287266/202174513-331e6f08-8397-4521-969b-24cbc43d27fc.mp4
## pedestrian-demo
Pedestrian detection using HOG/SVM and non-maximal suppression. Uses nanovg for rendering (OpenGL), detects using a SVM (OpenCL) and decodes/encodes on the GPU. Note: Detection rate is not impressive and depends highly on the video.
https://user-images.githubusercontent.com/287266/204364376-e08a4943-17a4-408f-a5b0-bfd95ffc44ae.mp4
# Instructions
You need to build the most recent 4.x branch of OpenCV.
@ -93,4 +98,10 @@ src/font/font-demo
src/optflow/optflow-demo bunny.webm
```
## Run the pedestrian-demo:
```bash
src/pedestrian/pedestrian-demo bunny.webm
```

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