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학술지 Quality Enhancement for Hybrid 3DTV with Mixed Resolution Using Conditional Replenishment Algorithm
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저자
정경훈, 방민석, 김성훈, 추현곤, 강동욱
발행일
201410
출처
ETRI Journal, v.36 no.5, pp.752-760
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.14.0113.1092
협약과제
14MR9100, (통합)융합형 실감방송 서비스 및 전송 기술 개발, 허남호
초록
This paper proposes a conditional replenishment algorithm (CRA) to improve the visual quality (where spatial resolutions of the left and right views are mismatched) of a hybrid stereoscopic 3DTV that is based on the ATSC-M/H standard. So as to generate an enhanced view, the CRA is to choose the better substitute among a disparity-compensated view with high quality and a simply interpolated view. The CRA generates a disparity map that includes modes and disparity vectors as additional information. It also employs a quad-tree structure with variable block size by considering the spatial correlation of disparity vectors. In addition, it takes advantage of the disparity map used in a previous frame to keep the amount of additional information as small as possible. The simulation results show that the proposed CRA can successfully improve the peak signal-to-noise ratio of a poor-quality view and consequently have a positive effect on the subjective quality of the resulting 3D view.
키워드
Conditional replenishment algorithm, CRA, Disparity map, Hybrid 3dtv, Keywords: Atsc-m/h, Quadtree
KSP 제안 키워드
Disparity Map, Hybrid 3DTV, Peak-Signal-to-Noise-Ratio(PSNR), Quality enhancement, Signal noise ratio(SNR), Subjective quality, Variable Block Size(VBS), Visual Quality, additional information, mixed-resolution, quadtree structure