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The authors address the problem of depth map upsampling using a corresponding high-resolution color image. The depth map is captured by low-resolution time-of-flight cameras paired with a high-resolution RGB camera. Inspired by guided image filtering, the proposed method not only uses the structure of the high-resolution color image as guidance, it also exploits local gradient information of depth...
Video multicast exploits the wireless broadcast nature to transmit a video stream to multiple clients with a minimum bandwidth requirement. Assigning suitable transmission bit-rate to video stream is however a challenging problem because clients in a wireless network have heterogeneous channel quality and experience different packet loss probability. Existing video multicast researches have proposed...
Video multicast exploits the wireless broadcast nature to transmit a video stream to multiple clients with a minimum bandwidth requirement. Assigning a suitable transmission bit-rate to each scalable coded block in a video stream is however a challenging problem because clients in a wireless network have heterogeneous channel quality and experience different packet loss probability. Prior work attempts...
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