search

Home >Web Front-end >JS Tutorial >javascript Get image color_javascript skills

javascript Get image color_javascript skills

WBOY
WBOYOriginal
2016-05-16 18:54:301645browse

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

Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：JavaScript execution patience in various browsers_javascript tipsNext article：JavaScript execution patience in various browsers_javascript tips

Related articles

See more