ncnn-webassembly-yolov5
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Published
20 hours ago •
nihui
nihui
Deploy YOLOv5 in your web browser with ncnn and webassembly
ncnn-webassembly-yolov5
open https://nihui.github.io/ncnn-webassembly-yolov5 and enjoy
build and deploy
- Install emscripten
git clone https://github.com/emscripten-core/emsdk.git
cd emsdk
./emsdk install 2.0.8
./emsdk activate 2.0.8
source emsdk/emsdk_env.sh
- Download and extract ncnn webassembly package
wget https://github.com/Tencent/ncnn/releases/download/20220216/ncnn-20220216-webassembly.zip
unzip ncnn-20220216-webassembly.zip
- Build four WASM feature variants
mkdir build
cd build
cmake -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DWASM_FEATURE=basic ..
make -j4
cmake -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DWASM_FEATURE=simd ..
make -j4
cmake -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DWASM_FEATURE=threads ..
make -j4
cmake -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DWASM_FEATURE=simd-threads ..
make -j4
- Deploy the *.data *.js *.wasm and *.html files to your web server
# deploy files
deploy/
├── index.html
├── yolov5-basic.data
├── yolov5-basic.js
├── yolov5-basic.wasm
├── yolov5-simd.data
├── yolov5-simd.js
├── yolov5-simd-threads.data
├── yolov5-simd-threads.js
├── yolov5-simd-threads.wasm
├── yolov5-simd-threads.worker.js
├── yolov5-simd.wasm
├── yolov5-threads.data
├── yolov5-threads.js
├── yolov5-threads.wasm
├── yolov5-threads.worker.js
└── wasmFeatureDetect.js
- Deploy local server(python3 as a example)
python3 -m http.server --directory deploy
https://gist.github.com/nihui/c97a27b302bc56d554874af0f158d6df
- Access local server(chrome as a example)
# launch chrome browser, enter following command to address bar and press ENTER:
chrome://flags/#unsafely-treat-insecure-origin-as-secure
# enter following keyword to "Search flags" and press ENTER:
"insecure origins"
you will find "Insecure origins treated as secure" key
#enter local server url and click right side dropdown list, select "Enabled"
url example: http://192.168.1.100:8000
#relaunch chrome browser and access http://192.168.1.100:8000 (replace 192.168.1.100 with your local ip)
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