rod_lightline_19.at<uchar>(j, i) == 255
时间: 2024-06-06 12:08:02 浏览: 81
duojikongzhi.rar_Unsigned_c++include <reg51>
This line of code is checking whether the value of the pixel at position (i,j) in the image "rod_lightline_19" is equal to 255. The data type of the pixel value is "uchar", which stands for "unsigned char". A value of 255 in an 8-bit grayscale image means that the pixel is completely white. The if statement that follows this line of code may be checking if this pixel is part of a specific object or feature in the image, and performing some action if it is.
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