S. Areepongsa

Learn More
This approach inserts a hidden steganographic message into a base layer transmission of a zerotree based wavelet coder [4], [5]. The message is hidden in sign/bit values of insignificant children of the detail subbands in non-smooth regions of the image. The HC-RIOT coder is used to determine what regions of the image that the message can be embedded in.(More)
  • 1