stegnography Data hiding in the still image preset

Title: stegnography

Category:
Multimedia program
Tags:
[Matlab] [源码]
File Size:
195kb
Update:
2012-11-26
Downloads:
0 Times
Uploaded by:
rupesh

Description: Data hiding in the still image presets a variety of challenges that arises due to the way human visual system (HVS) works and the typical modifications that image undergoes. Additionally, still images priced a relatively small host signal in which to hide data. A fairly typical 8-bit picture of 200*200 pixels provides approximately 40 KB of data space in which to work. This is equivalent to around 5 seconds of telephone-quality audio or less than a single frame NTSC television.

Downloaders recently: [More information of uploader rupesh]

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File list (Check if you may need any files):

pudn 6 - stegno code\code\coeff_count.m
....................\....\decoder_analysis.m
....................\....\decomposition_decision.m
....................\....\encoder_analysis.asv
....................\....\encoder_analysis.m
....................\....\Helen.jpg
....................\....\impt_coeff.m
....................\....\lena.jpg
....................\....\Lighthouse.jpg
....................\....\main_Decoder.m
....................\....\main_Encoder.asv
....................\....\main_Encoder.m
....................\....\Mandrill.jpg
....................\....\message.bmp
....................\....\Owl.jpg
....................\....\PSNR.asv
....................\....\PSNR.m
....................\....\Robust_check.m
....................\....\stego_image.bmp
....................\....\stego_image_r.bmp
....................\....\threshold.m
....................\....\wavelet_decomposition.m
....................\code
pudn 6 - stegno code

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