By setting a one-dimensional line tool across the image and calculating the grayscale difference across this line, a series of points will be generated throughout the frames.是什么意思_By setting a one-dimensional line tool across the image and calculating the grayscale difference across this line, a series of points will be generated throughout the frames.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句