视差图的定义 [英] Definition of a Disparity Map

问题描述

我被要求实现一个基于边缘的视差图，但我从根本上不明白什么是视差图。谷歌似乎没有产生一个直接的答案。

I've been asked to implement an edge-based disparity map but I fundamentally don't understand what a disparity map is. Googling doesn't seem to produce a straight-forward answer. Could someone explain it or point to a better resource?

推荐答案

视差图指的是一对像素之间的明显像素差异或运动立体图像。要体验这一点，尝试关闭一只眼睛，然后快速关闭它，而打开另一个。靠近你的对象将显得跳跃显着的距离，而更远的对象将移动很少。

Disparity map refers to the apparent pixel difference or motion between a pair of stereo image. To experience this, try closing one of your eyes and then rapidly close it while opening the other. Objects that are close to you will appear to jump a significant distance while objects further away will move very little. That motion is the disparity.

在来自立体相机的一对图像中，您可以以像素为单位测量每个点的视运动，并将强度图像从

In a pair of images derived from stereo cameras, you can measure the apparent motion in pixels for every point and make an intensity image out of the measurements.

请参阅这为例。您可以看到前景中的物体更亮，表示更大的运动和更小的距离。

See this for an example. You can see the objects in the foreground are brighter, denoting greater motion and lesser distance.

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