modify ranges 中文意思是什麼
modify ranges
解釋
修改范圍-
To solve the overflow or underflow of the components of appearance attributes caused by watermarking, we clip the error ones to the correct ranges by adjusting the corresponding basis function elements. the normalization operation would destroy the watermark embedded in the normal vector. the author presents a novel approach by rotating the normal vector around a fixed axis, which will modify its orientation, not magnitude
其中，針對在外觀屬性分量上植入水印的值溢出問題，作者提出了動態修改基函數的方法；考慮到直接修改法向量分量的方法會受到法向量單位化操作影響導致水印提取困難，作者提出一種繞固定軸旋轉法向量的方法，有效地避免了單位化對已植入水印信息的影響。
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