Reversible data hiding in encrypted images by Huffman code mapping and ordered histogram shifting

Reversible data hiding in encrypted images by Huffman code mapping and ordered histogram shifting using Matlab, New Framework of Reversible Data Hiding in Encrypted JPEG Bitstreams,
REVERSIBLE DATA HIDING IN ENCRYPTED IMAGE BY REVERSABLE IMAGE TRANSFORMATION, Reversible Data Hiding in Encrypted Images, Reversible Data Hiding With Image Enhancement Using Histogram Shifting, seperable reversible data hiding in an encrypted image, New Framework of Reversible Data Hiding in Encrypted JPEG Bitstreams, Separable Reversible Data Hiding in Encrypted Image, Reversible Data Hiding With Optimal Value Transfer, LOSSLESS AND REVERSIBLE DATA HIDING USING PUBLIC KEY CRYPTOGRAPHY