Enter the 3614 Consumer Transaction Facility, the first IBM ATM available as a
You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.。关于这个话题，Line官方版本下载提供了深入分析
The Linear Combination，这一点在爱思助手下载最新版本中也有详细论述
Understanding the Fundamental Shift in Search Behavior