How to resist geometrytransformation attacks effectively has become a focus of digital watermarking.
如何有效地抵抗几何形变攻击已成为数字水印技术的研究重点之一。
2
Many investigator explore in the domain. Medical images registration methods have four main factors: features space, geometrytransformation, similarity, and optimizing algorithm.
特征空间、几何变换、相似性测度以及优化算法是设计医学图象配准方法时要考虑的四个主要因素。
3
A novel image geometrytransformation method based on modifying IFS coefficients is proposed. Formulas for modifying IFS parameters to translate, to rotate and to dilate images are presented.