Reversible data hiding for JPEG images based on pairwise nonzero AC coefficient expansion - Li, Nan; Huang, Fangjun (Signal processing, 2020)
Keywords: block and frequency selection; JPEG; pairwise nonzero AC coefficient expansion (pairwise NACE); reversible data hiding (RDH); block and frequency selection; JPEG; reversible data hiding (RDH); pairwise nonzero AC coefficient expansion (pairwise NACE)