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I can't generate OpenCV.js using this instructions: https://docs.opencv.org/master/d4/da1/tutorial_js_setup.html
I have this error:
CMake Error: CMake was unable to find a build program corresponding to "Unix Makefiles". CMAKE_MAKE_PROGRAM is not set. You probably need to select a different build tool.
When I'm trying to execute:
python ./platforms/js/build_js.py build_js
Alright, guys! You can download opencv.js from sources (press F12) of this Page: https://docs.opencv.org/master/js_face_detection_camera.html
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As a multi-platform library, OpenCV can be used with an extensive number of languages including, of course, Javascript.
You can get a copy of opencv. js from opencv-{VERSION_NUMBER}-docs. zip in each release, or simply download the prebuilt script from the online documentations at "https://docs.opencv.org/{VERSION_NUMBER}/opencv.js" (For example, https://docs.opencv.org/4.5.0/opencv.js.
OpenCV is a powerful library used for image processing, analysis and image recognition. It has been used extensively in many fields, from face detection to interactive art. With opencv. js it's possible to do image processing, video analysis and object detection in the browser!
OpenCV (Open Source Computer Vision Library) is a library of programming functions mainly aimed at real-time computer vision. Originally developed by Intel, it was later supported by Willow Garage then Itseez (which was later acquired by Intel).
Looks like Emscripten doesn't setup the enviroment variable correctly to the SDK
For anyone trying to get this to build you need to specify the correct path to the Emscripten
which is the path where Emscripten is installed found in emsdk/upstream/emscripten
python ./platforms/js/build_js.py build_js --emscripten_dir=/home/username/Desktop/emsdk/upstream/emscripten
This should then work
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You can find a nightly build at https://docs.opencv.org/master/opencv.js and some useful stuff at https://docs.opencv.org/master/utils.js .
<script async src="https://docs.opencv.org/master/opencv.js" type="text/javascript"></script>
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