A New Secure Image Transmission Technique via Secret-Fragment Visible Mosaic Images by Nearly Reversible Color Transformations
Keywords:
Transmission technique, image, color transformation, mosaic imageAbstract
A new secure image transmission technique is proposed which transforms automatically a given large-volume of secret image into a so-called secret-fragment-visible mosaic image of the same size. The mosaic image, which looks similar to an arbitrarily selected target image and may be used as a camouflage of the secret image, is yielded by dividing the secret image into fragments and transforming their color characteristics to be those of the target image. Skillful techniques are designed to conduct the color transformation process so that the secret image may be recovered nearly lossless.
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