> -----Original Message----- > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of > Guo, Yejun > Sent: 2021年4月16日 8:49 > To: ffmpeg-devel@ffmpeg.org > Subject: Re: [FFmpeg-devel] [PATCH V8 3/3] lavfi: add filter dnn_detect for > object detection > > > > > -----Original Message----- > > From: Guo, Yejun <yejun....@intel.com> > > Sent: 2021年4月13日 13:14 > > To: ffmpeg-devel@ffmpeg.org > > Cc: Guo, Yejun <yejun....@intel.com> > > Subject: [PATCH V8 3/3] lavfi: add filter dnn_detect for object detection > > > > Below are the example steps to do object detection: > > > > 1. download and install l_openvino_toolkit_p_2021.1.110.tgz from > > > https://software.intel.com/content/www/us/en/develop/tools/openvino-to > > olkit/download.html > > or, we can get source code (tag 2021.1), build and install. > > 2. export LD_LIBRARY_PATH with openvino settings, for example: > > .../deployment_tools/inference_engine/lib/intel64/:.../deployment_tools > /i > > nference_engine/external/tbb/lib/ > > 3. rebuild ffmpeg from source code with configure option: > > --enable-libopenvino > > --extra-cflags='-I.../deployment_tools/inference_engine/include/' > > --extra-ldflags='-L.../deployment_tools/inference_engine/lib/intel64' > > 4. download model files and test image > > wget > > > https://github.com/guoyejun/ffmpeg_dnn/raw/main/models/openvino/20 > > 21.1/face-detection-adas-0001.bin > > wget > > > https://github.com/guoyejun/ffmpeg_dnn/raw/main/models/openvino/20 > > 21.1/face-detection-adas-0001.xml > > wget > > > https://github.com/guoyejun/ffmpeg_dnn/raw/main/models/openvino/20 > > 21.1/face-detection-adas-0001.label > > wget https://github.com/guoyejun/ffmpeg_dnn/raw/main/images/cici.jpg > > 5. run ffmpeg with: > > ./ffmpeg -i cici.jpg -vf > > > dnn_detect=dnn_backend=openvino:model=face-detection-adas-0001.xml: > > > input=data:output=detection_out:confidence=0.6:labels=face-detection-ad > > as-0001.label,showinfo -f null - > > > > We'll see the detect result as below: > > [Parsed_showinfo_1 @ 0x560c21ecbe40] side data - detection > bounding > > boxes: > > [Parsed_showinfo_1 @ 0x560c21ecbe40] source: > > face-detection-adas-0001.xml > > [Parsed_showinfo_1 @ 0x560c21ecbe40] index: 0, region: (1005, 813) -> > > (1086, 905), label: face, confidence: 10000/10000. > > [Parsed_showinfo_1 @ 0x560c21ecbe40] index: 1, region: (888, 839) -> > > (967, 926), label: face, confidence: 6917/10000. > > > > There are two faces detected with confidence 100% and 69.17%. > > > > Signed-off-by: Guo, Yejun <yejun....@intel.com> > > --- > > configure | 1 + > > doc/filters.texi | 40 ++++ > > libavfilter/Makefile | 1 + > > libavfilter/allfilters.c | 1 + > > libavfilter/vf_dnn_detect.c | 421 > > ++++++++++++++++++++++++++++++++++++ > > will push the patch set tomorrow if there's no objection.
pushed, thanks. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
