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The three-dimensional (3D) displays provide a dramatic improvement of visual quality over the 2D displays. The conversion of existing 2D videos to 3D videos is necessary for multimedia application. This paper presents an automatic and robust system to convert 2D videos to 3D videos. The proposed 2D-to-3D conversion combines two major depth generation modules, the depth from motion and depth from geometrical...
Since motion-compensated temporal filtering (MCTF) becomes an important temporal prediction scheme in video coding algorithms, this paper presents an efficient temporal prediction engine which not only is the first MCTF hardware work but also supports traditional motion-compensated prediction (MCP) scheme to provide computation scalability. For the prediction stage of MCTF and MCP schemes, modified...
This paper presents a relative depth layer extraction system for monoscopic video, using multi-line filters and a layer selection algorithm. Main ideas are to extract multiple linear trajectory signals from videos and to determine their relative depths using the concept of motion parallax. The proposed superficial line model used for detecting slow moving objects provides sufficient taps within few...
Motion-compensated temporal filtering (MCTF) is an innovative prediction scheme for video coding and the core technology of scalable extension of H.264/AVC. The first MCTF and ME hardware work is in this paper. The proposed hardware not only can support the various coding schemes in JSVM and H.264 but also can adapt itself to provide rate-distortion-computation scalability. With the frame-level searching...
Motion-compensated temporal filtering (MCTF) is the core technology of the next generation scalable video coding schemes. There are two key steps in MCTF process, prediction step and update step. In this paper, an efficient scheme along with the hardware architecture of update step for VLSI implementation is proposed. The proposed update step scheme can reduce 55% off-chip memory access and turn the...
Motion-compensated temporal filtering (MCTF) is an open-loop prediction scheme, so the frame-level data reuse for MCTF is possible. In this paper, we propose two general frame-level data reuse schemes which can minimize the memory bandwidth of current and reference frames, respectively. And their relationships between the required memory bandwidth and the number of searching range buffers are also...
An efficient depth image based rendering with edge dependent depth filter and interpolation is proposed. The proposed method can solve the hole-filling problem in DIBR system efficiently with high quality. The PSNR of the proposed method is better than the previous work by 6 dB and the subjective view shows the quality is better. In addition to that, the number of instruction cycles is 3.7 percent...
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