blocks|key|659610|text|除了与装有openCV的服务器通信并在那里进行处理之外，我不认为有任何方法可以在JS中使用openCV。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|659611|据我所知，JS中有一个人脸检测算法：http://badassjs.com/post/1461943420/face-detection-in-javascript-via-html5-canvas|offset|length|659612|entityMap|0|LINK|mutability|MUTABLE|url|http://badassjs.com/post/1461943420/face-detection-in-javascript-via-html5-canvas^0|0|I|29|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

I don't think there is any way of using openCV in JS other than communicating with a server with openCV on it and doing the processing there.

There is one Face detection algo in JS that I know of: <a href="http://badassjs.com/post/1461943420/face-detection-in-javascript-via-html5-canvas" rel="noreferrer">http://badassjs.com/post/1461943420/face-detection-in-javascript-via-html5-canvas</a>

blocks|key|445253|text|我不知道OpenCV在Javascript中的完整实现，但它的许多算法都是在JSFeat中实现的，这是Javascript中的一个计算机视觉库。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|445254|我相信用emscripten编译OpenCV代码是可能的，但据我所知，还没有人这样做。|445255|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/inspirit/jsfeat#readme^0|12|6|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

I do not know of a full implementation of OpenCV in Javascript, however a good number of the algorithms from it are implemented in <a href="https://github.com/inspirit/jsfeat#readme" rel="noreferrer">JSFeat</a> which is a Computer Vision library in Javascript.

I believe that it might be possible to compile bits of OpenCV with emscripten, but as far as I know, nobody has done that.

blocks|key|445279|text|我推荐OpenCVjs。这是javascript+OpenCV库。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|445280|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/sakiyamaK/OpenCVjs^0|3|8|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

I recommend <a href="https://github.com/sakiyamaK/OpenCVjs" rel="noreferrer">OpenCVjs</a>. This is javascript OpenCV library.

blocks|key|659732|text|https://github.com/peterbraden/node-opencv似乎没有完整的opencv功能，但有人脸检测和对来自ar-drone等来源的图像流的巨大支持。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|659733|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/peterbraden/node-opencv^0|0|16|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Excellent repo for that here: <a href="https://github.com/peterbraden/node-opencv">https://github.com/peterbraden/node-opencv</a>
Doesn't seem to have full opencv functionality, but has face detection and great support for image streams coming from sources like an ar-drone.

blocks|key|445372|text|应该可以使用asm.js将OpenCV移植到Javascript，它可以将C或C%2B%2B编译为Javascript|type|unstyled|depth|inlineStyleRanges|entityRanges|data|445373|另一种方法:将OpenCV移植到Chrome+Native+Client：http://opencv.org/opencv-ported-to-google-chrome-nacl-and-pnacl.html|offset|length|445374|entityMap|0|LINK|mutability|MUTABLE|url|http://opencv.org/opencv-ported-to-google-chrome-nacl-and-pnacl.html^0|0|11|1W|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

Porting OpenCV to Javascript should be doable using asm.js which can compile C or C++ to Javascript

Another take: OpenCV is ported to Chrome Native Client: <a href="http://opencv.org/opencv-ported-to-google-chrome-nacl-and-pnacl.html" rel="noreferrer">http://opencv.org/opencv-ported-to-google-chrome-nacl-and-pnacl.html</a>

blocks|key|659826|text|除了上面提到的那些，还有另一个"opencvjs“的repo。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|659827|https://github.com/blittle/opencvjs|offset|length|659828|其中哪些(如果有的话)应该是规范的，这是不太清楚的|659829|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|Z|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@$D|Q|E|R|1|S]]|A|$]]|$1|F|3|G|5|6|7|T|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|C]]]]

In addition to those mentioned, there is another repo for "opencvjs"

<a href="https://github.com/blittle/opencvjs" rel="nofollow">https://github.com/blittle/opencvjs</a>

It's a little unclear which of them (if any) are supposed to be canonical

blocks|key|659857|text|这看起来非常好。http://trackingjs.com/看一看。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|659858|entityMap|0|LINK|mutability|MUTABLE|url|http://trackingjs.com/^0|8|M|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

This seems to be very good.
<a href="http://trackingjs.com/" rel="noreferrer">http://trackingjs.com/</a>
Have a look.

Can we use OpenCV from Javascript? Is there such implementation?

Is there any JS libraries that can be used for detecting face elements in the picture or video?

Is it possible to use OpenCV or similar library in Javascript?

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我们可以在Javascript中使用OpenCV吗？有这样的实现吗？有没有JS库可以用来检测图片或视频中的人脸元素？

问可以在Javascript中使用OpenCV或类似的库吗？
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问可以在Javascript中使用OpenCV或类似的库吗？
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