# Pedestrian-Demo {#v4d_pedestrian} @prev_tutorial{v4d_font} @next_tutorial{v4d_optflow} | | | | -: | :- | | Original author | Amir Hassan (kallaballa) | | Compatibility | OpenCV >= 4.7 | Pedestrian detection using HOG with a linear SVM, non-maximal suppression and tracking using KCF. Uses nanovg for rendering (OpenGL), detects using a linear SVM (OpenCV/OpenCL), filters resuls using NMS (CPU) and tracks using KCF (CPU). Decodes/encodes on the GPU (VAAPI). \htmlinclude "../samples/example_v4d_pedestrian-demo.html" @include samples/pedestrian-demo.cpp