If you look below here, you'll see these colorful images that researchers like to call difference images.

请看下面这些图，你看到的这些彩色的图片被研究者称为差异图像。

The differences are often barely perceptible, and to provide a better localization of the error, some difference images are shown in the paper.

这些差异通常很难察觉，而为了更好的定位误差，本篇论文展示了一些差异图像。