matlab prepared binary image of the digital watermarking and extraction procedures to add. There are examples of compressed picture package. Watermark can be added, resulting in a change are not easily distinguishable from the naked eye, does not affect use. Information can be added up to 100 bytes in length. Verifiable extraction has been modified, if modified, can extract the hidden information




File list:
bw_fragile
.........\AddWaterHash.m
.........\AddWaterLocate.m
.........\ExtractWaterLocate.m
.........\KeyCreate.m
.........\MyHash.m
.........\original.tif
.........\SelectPos.m
.........\tampered.bmp

.........\Thumbs.db
.........\watered.bmp

.........\watered_digest.tif
.........\watered_locate.bmp

.........\watered_locate_tamper.bmp

.........\watered_locate_tamper_detect.bmp

.........\watered_perimeter.tif
.........\WaterTest.m