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Research Article Open Access
A new secure image transmission technique through videos is proposed, which transforms a given largevolume secret image into a secret-fragment-visible mosaic image of the same size. The mosaic image looks similar to an arbitrarily selected target image, which is one of the frames of the given video. It can be used as a camouflage of the secret image and is yielded by dividing the secret image into fragments and transforming their color characteristics to be those of the corresponding blocks of the target image. A technique called secret-fragment-visible mosaic image is used to conduct the color transformation process so that the secret image maybe recovered nearly losslessly. The information required for recovering the secret image is embedded in the video, into the created mosaic image by a lossless data hiding scheme using a key. The proposed method is known to show good experimental results.