TY - RPRT TI - Quantization index modulation-based image watermarking using digital holography. AU - O Erman Okman AU - Gozde Bozdagi Akar PY - 2007 DO - 10.1364/josaa.24.000243 UR - https://pubmed.ncbi.nlm.nih.gov/17164867/ ID - 17164867 ER -