在OpenCV中置换图滤镜 [英] Displacement Map Filter in OpenCV

问题描述

我很好奇，想知道如何能够实现这里展示使用了OpenCV的效果。我认为这是某种形式的置换图滤镜，但我不是100％肯定。

I'm curious to know how one can implement the effect demonstrated here using OpenCV. I think it's some sort of displacement map filter but I'm not 100% sure.

后，移动鼠标，看看背景图像移动（这是我在寻找的效果）。

After that page has fully loaded, move the mouse around to see the background image move (it's the effect I'm looking for).

这可能吗？我怎么会去这样做呢？

Is it possible? How would I go about doing it?

注意：这里还有这里显示同样的效果另一个页

Note: there's also another page displaying the same effect here.

推荐答案

这是近2年，因为我问过这个问题，我认为这是时间来回答吧。

It's been almost 2 years since I've asked this question and I think it's time to answer it.

在来源$ C ​​$ C 实现OpenCV的使用此过滤器可以在我的GitHub库。

The source code that implements this filter using OpenCV can be found on my GitHub repository.

的实施是基于<一个href=\"http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/filters/DisplacementMapFilter.html\">documentation的Adobe FlashDisplacementMapFilter的 。您可以比较我的实现对Flash教程这里提供的结果：置换图滤镜和放大器;动画，它使用的的Flash 8专业版的和的 ActionScript 2的的。
还有一个教程中，我推荐大家阅读： Psyark的DisplacementMapFilter教程。这是旧的，但准确的。

The implementation is based on the documentation of Adobe Flash' DisplacementMapFilter. You can compare the results of my implementation to the Flash tutorial available here: Displacement Map Filter & Animation, which uses Flash 8 Pro and ActionScript 2. There's another tutorial I recommend people to read: Psyark’s DisplacementMapFilter Tutorial. It's old but accurate.

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