STOCHASTIC WATERMARKING

VISUAL  SCRAMBLING

Joint visual scrambling and error resilient coding for noisy channels and packet losses Visual  Scrembling Original image Encrypted  image Decrypted  image Channel model : lossy JPEG compression (with different quality factors (QF)) Encrypted and compressed (QF = 80 %) Encrypted and compressed (QF = 60 %) Encrypted and compressed (QF = 20 %) Encrypted and compressed (QF =5 %) Decrypted image Decrypted image Decrypted image Decrypted image Channel model :  packet  losses Encrypted with 3 lost packets Decrypted image Encrypted with 7 lost packets Decrypted image

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