threshold反向

threshold反向是指使用阈值操作将图像转换为反二进制阈值图像。在反二进制阈值图像中，大于阈值的像素值被设为0，小于等于阈值的像素值被设为最大值。可以使用函数cvThreshold或cvCmpS来实现反二进制阈值操作。在cvThreshold函数中，可以将threshold_type参数设置为CV_THRESH_BINARY_INV来实现反二进制阈值操作。在cvCmpS函数中，可以将比较操作设置为CV_CMP_GT来实现反二进制阈值操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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