This algorithm adds a datum line in the high frequency detail image in the wavelet domain.When the watermark extracted hough transform is used to detect the datum line and estimate the rotation angle.是什么意思_This algorithm adds a datum line in the high frequency detail image in the wavelet domain.When the watermark extracted hough transform is used to detect the datum line and estimate the rotation angle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句