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학술지 A Stereoscopic 3-D Broadcasting System Using Fixed and Mobile Hybrid Delivery and the Quality Assessment of the Mixed Resolution Stereoscopic Video
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저자
이주영, 김성훈, 정세윤, 최진수, 강동욱, 정경훈, 김진웅
발행일
201506
출처
IEEE Transactions on Broadcasting, v.61 no.2, pp.222-237
ISSN
0018-9316
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TBC.2015.2419193
협약과제
14MR9100, (통합)융합형 실감방송 서비스 및 전송 기술 개발, 허남호
초록
In this paper, we demonstrate the structure and characteristics of the bandwidth-efficient stereoscopic 3-D broadcasting system entitled service compatible 3-D-TV using main and mobile hybrid delivery (SC-MMH), which enables the broadcasters to provide three different types of services (2-D fixed, mobile, and 3-D) by transmitting only the two legacy broadcast streams (2-D fixed and mobile). By combining the two existing broadcast networks, the proposed system provides high quality 3-D services, fully guarantees backward-compatibility with the legacy fixed/mobile 2-D receivers, and maximizes the channel efficiency. One major feature of the proposed system is bit-rate saving based on the video resolution asymmetry between the left and right eye views, also referred to as 'mixed-resolution.' Although it is well-known wisdom that the mixed-resolution stereoscopic videos are perceived close to the higher resolution based on the binocular rivalry suppression theory, the perceived quality also depends on the factors such as scale ratio, viewing distance, bit-rate distribution, and types of codecs. Therefore, we conducted the objective and subjective tests to measure the service quality of the proposed system and find the optimum bit-rate distribution points, and with the results, we demonstrate that SC-MMH can provide the satisfactory quality when the proper level of bit-rate is allocated to the mobile service.
키워드
3-D-TV, ATSC, Entitled service compatible 3-D-TV using main and mobile hybrid delivery (SC-MMH), Mixed resolution, Stereoscopic video
KSP 제안 키워드
Binocular rivalry, Bit Rate, Broadcasting system, Hybrid delivery, Mobile services, Perceived quality, Quality assessment(IQA), SC-MMH, Scale ratio, Service Quality, Stereoscopic Video