Abstract
The conventional JPEG compressed domain lossless data hiding scheme has three attractive properties: file size is maintained, decoded image is unchanged, and embedded bitstream is compatible with the JPEG standard. This study introduces a new application of the compressed domain lossless data hiding scheme. Specifically, we present an algorithm that embeds depth hints to a compressed bitstream of a color image, which enables the end-user to extract depth hints and reconstruct the depth image. On the limited watermark capacity, depth hints are obtained using super-pixel color image segmentation and depth value clustering. The experimental results demonstrate the effectiveness of the proposed algorithm.
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