作者: Wien Hong , Tung-Shou Chen , Han-Yan Wu
关键词: Word error rate 、 Algorithm 、 Set (abstract data type) 、 Information hiding 、 Encryption 、 Block (data storage) 、 Histogram 、 Data mining 、 Mathematics 、 Block size 、 Pixel
摘要: This letter proposes an improved version of Zhang's reversible data hiding method in encrypted images. The original work partitions an encrypted image into blocks, and each block …