Description     Claims     Drawing  

US20060187358A   [0008]  [0016]  [0016] 

Video authentication for H.264/AVC using digital signature standard and secure hash algorithm   [0009] 
Compressed-domain temporal adaptation-resilient watermarking for H.264 video authentication   [0010] 
Combined fragile watermark and digital signature for H.264/AVC video authentication   [0011]