根据SUSAN模板中角点的特性，提出了灰度对称度的概念，利用灰度对称度区别出棋盘格的角点和边缘。

According to the characteristics of the SUSAN template, the gray symmetry degree was defined to distinguish the corner from the edge.

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结果这种行李包获得了闪电般的普及，在竞争对手模仿他的设计之前没多久，路易斯·威登很快以独特的条纹和棋盘格的样式标记了他设计的行李包。

It didn't take long before his competition was copying his design. Soon after Louis Vuitton marked his luggage with distinctive stripes and checkerboard patterns.

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研究人员将电脑屏幕分成棋盘四格，设置不同的闪烁频率，显示机器人不同的指令。

Researchers divided a computer screen into four checkerboard patterns that flash at different frequencies and represent different commands for the robot.

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