opencv/sources/modules/dnn/src/webnn/README.md

Build Instructions

Build WebNN-native and set the environment variable

Refer to WebNN's build instructions to complete the build of WebNN-native.

Set environment variable WEBNN_NATIVE_DIR to enable native DNN_BACKEND_WEBNN build: export WEBNN_NATIVE_DIR=${PATH_TO_WebNN}. Please let WEBNN_NATIVE_DIR points the output directory of webnn-native build (e.g. webnn-native/out/Release).

Test native DNN_BACKEND_WEBNN backend

Add -DWITH_WEBNN=ON to the cmake command to build the WebNN module such as: cmake -DWITH_WEBNN=ON ../opencv (according to the @ref tutorial_linux_install)