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Low-Complexity, Near-Lossless Coding of Depth Maps from Kinect-Like Depth Cameras

Sanjeev Mehrotra, Zhengyou Zhang, Qin Cai, Cha Zhang, and Philip A. Chou

Abstract

Depth cameras are gaining interest rapidly in the market as depth plus RGB is being used for a variety of applications ranging from foreground/background segmentation, face tracking, activity detection, and free viewpoint video rendering. In this paper, we present a low-complexity, near-lossless codec for coding depth maps. This coding requires no buffering of video frames, is table-less, can encode or decode a frame in close to 5ms with little code optimization, and provides between 7:1 to 16:1 compression ratio for near-lossless coding of 16-bit depth maps generated by the Kinect camera.

Details

Publication typeInproceedings
Published inProceedings of MMSP
PublisherIEEE
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