DWT DCT Steganography questions

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Maulana Wahid
Maulana Wahid 2014 年 1 月 7 日
hi, i am new in matlab, and i got final project to make digital image steganography using combination DWT and DCT. in this project i use 2-L DWT and then 8x8 block DCT and embed the image by using DCT.
here are my questions :
  1. how to choose LH sub-band in matlab code?
  2. how to embed image in cover image in 8x8 block dct with step by step explanation?

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