Qingzheng HouJunping DaiLi Li 0014Jianfeng Lu 0005Chin-Chen Chang 0001Scanned binary image watermarking based on additive model and sampling.9407-9426201574Multim. Tools Appl.21https://doi.org/10.1007/s11042-014-2124-xdb/journals/mta/mta74.html#HouDLLC15