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javascript Get image color_javascript skills

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Release: 2016-05-16 18:54:30
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Using the 2D object of canvas, we can obtain the data of each pixel of the image CanvasPixelArray
Shunzi also wrote a simple getImageData demonstration here to demonstrate the color selection of the picture. This demo currently only runs under ff3.
javascript Get image color_javascript skills

After being able to obtain pixels, will all future OCR text recognition systems be directly online?

Related information: http://www.whatwg.org/specs/web-apps/current-work/#dom-context-2d-getimagedata

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