This paper presents a new semi-fragile watermarking algorithm for image authentication which extracts image features fro......

This paper proposes a scheme for self-embedding an image into itself as a means for detecting and locating tamper, and s......

用这个原理来解释“火星人脸”等同类现象．我们就会明白．为什么大脑要让面孔率先“通关”：因为面孔识别在人类的视觉世界占了重要地位......