JPEG是静止图像数据压缩的国际标准。

JPEG is the international standard of the static picture data compression.

数字水印的研究对象主要包括静止图像、视频和声频信息。

What digital watermarking technique mainly research on is still images, video and audio signals.

在这个两部分组成的教程，我们将学习如何复合龙卷风和独特的观点只使用静止图像。

In this two part tutorial we'll learn how to composite a Tornado and unique point of view using only still pictures.