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606 B
606 B
Optflow-Demo
@prev_tutorial{v4d_pedestrian} @next_tutorial{v4d_beauty}
| Original author | Amir Hassan (kallaballa) amir@viel-zu.org |
| Compatibility | OpenCV >= 4.7 |
Optical flow visualization on top of a video. Uses background subtraction (OpenCV/OpenCL) to isolate areas with motion, detects features to track (OpenCV/OpenCL), calculates the optical flow (OpenCV/OpenCL), uses nanovg for rendering (OpenGL) and post-processes the video (OpenCL). Decodes/encodes on the GPU (VAAPI).
@youtube{uPYTRPZnocw}
@include samples/cpp/optflow/optflow-demo.cpp