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【Halcon视觉】阈值分割
2022-07-26 10:15:00 【文布斯】
1.概念
灰度图像,仅由一种颜色(灰色)组成。只不过每个像素的灰阶不同,即0~255。
当灰阶为0时,显示为黑色,当灰阶为255时,显示为白色。
2.分割方式
阈值分割的两种常用方式:
2.1 静态阈值分割:设定两个灰度值,使特征区域分离出来。
threshold() 阈值分割

2.2 二值化阈值分割:设定一个灰度值,大于该灰度值的区域为白,小于该灰度值的区域为黑。
binary_threshold() 二值化,可以自动选出暗(dark)区域,或自动选出亮(light)区域。

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