By Chao Jiang, Ze-xun Geng, Xiao-feng Wei, Chen Shen (auth.), Wenjun Zhang, Xiaokang Yang, Zhixiang Xu, Ping An, Qizhen Liu, Yue Lu (eds.)
This e-book constitutes the refereed lawsuits of the ninth overseas discussion board on electronic television and instant Multimedia communique, IFTC 2012, Shanghai, China, November. The sixty nine revised complete papers awarded have been conscientiously reviewed and chosen from quite a few submissions. The papers are equipped in topical sections on photo processing and development attractiveness; snapshot and video research; photo caliber evaluation; textual content photo and speech processing; content material retrieval and protection; resource coding; multimedia conversation; new advances in broadband multimedia; human machine interface; 3D video.
Read or Download Advances on Digital Television and Wireless Multimedia Communications: 9th International Forum on Digital TV and Wireless Multimedia Communication, IFTC 2012, Shanghai, China, November 9-10, 2012. Proceedings PDF
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Extra info for Advances on Digital Television and Wireless Multimedia Communications: 9th International Forum on Digital TV and Wireless Multimedia Communication, IFTC 2012, Shanghai, China, November 9-10, 2012. Proceedings
Yang, and L. 996 4 2 4 6 8 10 k (c) 12 14 16 2 2 4 6 8 10 12 14 16 k (d) Fig. 3. The comparison of error rate and speedup of our original algorithm and its variants. Patch size of (a) and (b) is 6 by 6, and the one of (c) and (d) is 16 by 16; (a) and (c) denote the error rate of our algorithm and its variants; (b) and (d) depict the speedup of GPU implementation. 5 Conclusion In this paper, we propose a parallel-friendly algorithm for approximate k-nearest patch match. This algorithm and its variants are implemented on GPU with TM CUDA .
There are quite a few ways to estimate matrix C, for instance the least square method (LSM). But considering that there are always An Efficient Synthesizing and Tone-Mapping System for HDRI 31 some mismatched pairs encountered in LSM, we adopt the Random Sample Consensus (RANSAC) method to achieve robust estimation . Moving objects in the scene will cause blurs and ghosts in the following HDR result even after camera shaking is compensated. It is necessary to conduct motion compensation for local moving objects.
In fact, there are several traditional edge detection technic, such as Sobel operator and Canny operator. To demonstrate the efficiency of quaternion-based color image processing, for comparison, Fig. 4 shows the results -- using Sobel edge detector and Canny edge detector. (a) (b) Fig. 4. Edge detection results of traditional methods. (a) Edge detection result of Sobel operator. (b) Edge detection result of Canny operator. Compared with the proposed method using quaternion algebra, the traditional detection methods, Sobel operator and Canny operator, mainly have the shortcomings as Pathological Signal Quantitative Analysis Using Quaternion-Based Image Processing 43 follows: (1) The detected edges in region of interest is not clear and entire enough to form closed curves, which is necessary for glands to be detected (Fig.
Advances on Digital Television and Wireless Multimedia Communications: 9th International Forum on Digital TV and Wireless Multimedia Communication, IFTC 2012, Shanghai, China, November 9-10, 2012. Proceedings by Chao Jiang, Ze-xun Geng, Xiao-feng Wei, Chen Shen (auth.), Wenjun Zhang, Xiaokang Yang, Zhixiang Xu, Ping An, Qizhen Liu, Yue Lu (eds.)