问题描述
我在javascript字符串中有一个jpeg数据网址。有没有办法可以检测到图片的模糊？这些图片来自正在浏览器中处理的视频。
I have a jpeg data url in a javascript string. Is there a way I can detect the "blurriness" of the picture? The pictures come from a video that is being processed in-browser.
我知道它并不简单，并且没有明确的模糊标准，但是有一种衡量模糊性的方法？
I understand that it isn't simple, and there is no definitive standard of blurriness, yet is there a way to measure blurriness?
推荐答案
有几种模糊检测的方法，我实施了一次非常简单的方法并撰写了这篇关于它的博文：
There are several approaches to blur detection, I implemented a really simple one once and wrote this blog post about it: http://www.codeoclock.com/2015/06/05/blur-detection-javascript/
代码可以在这里找到：
Code can be found here: https://github.com/timotgl/inspector-bokeh
算法不是很精致，但我能够可靠地检测出很多模糊的图像。
The algorithm isn't very refined, but I was able to detect images with a lot of blur somewhat reliably.
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