部分渐变 meaning in Chinese

partially shaded

So the video segmentation research in this paper is based on mpeg video . shot detection is the most fundamental operation and very important step in cbvar . shot detection is a technique that divides video data into physical units , generally called shots
在解压域的镜头检测中,提出一种基于视觉特征的突变镜头检测方法;在压缩域的镜头检测中,本文采用了基于宏块类型信息的镜头检测方法,可以有效的检测出突变和部分渐变镜头。