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Improving GPU-Speedup of Optimized Volume Rendering : 최적화된 Volume Rendering의 GPU-Speedup 개선 기법
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- Authors
- Advisor
- 신영길
- Major
- 공과대학 전기·컴퓨터공학부
- Issue Date
- 2015-08
- Publisher
- 서울대학교 대학원
- Keywords
- image complexity ; volume rendering ; transparent voxel skipping ; graphics processing unit (GPU)
- Description
- 학위논문 (석사)-- 서울대학교 대학원 : 전기·컴퓨터공학부, 2015. 8. 신영길.
- Abstract
- This paper presents a speedup improvement method for optimized volume rendering in GPU platforms. First, from a set of experiments, we found that the speedup of volume rendering optimized with transparent voxel skipping decreases with dependency on the complexity of target images. In order to evaluate the complexity of
volume images, we developed a new algorithm, called EVIC. Next, we present another new algorithm, called RBDV, that reduces the branch divergence in transparent voxel skipping by factoring out structurally similar code from branch paths in GPU programs. We empirically
proved that this RBDV algorithm increases the GPU-speedup of transparent voxel skipping at least by 14%, improving it from x17.5 upto x20.0 or more, on average, for complex target images.
- Language
- English
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