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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전자공학회 IEIE Transactions on Smart Processing & Computing IEIE Transactions on Smart Processing & Computing Vol.8 No.6
- 발행연도
- 2019.12
- 수록면
- 465 - 474 (10page)
- DOI
- 10.5573/IEIESPC.2019.8.6.465
이용수
초록· 키워드
오류제보하기
Recently, as the spread of ultra-high definition (UHD) display devices has become more active, considerable data bandwidth is required between the display and external memory. Compression of data can be applied to reduce memory bandwidth, but that can lead to degradation of image quality. So, in this paper, we propose a near-lossless compression algorithm that reduces memory bandwidth and minimizes image quality degradation for hardware implementation. The proposed algorithm is based on two-line memory–based prediction and transformation. Also, it improves the performance of quantization through one-dimensional (1-D) discrete cosine transform (DCT). In rate control, quantization parameters are determined using both horizontal and vertical information to improve efficiency. Finally, a partial update is implemented to enable selective decoding of images. Experimental results show that the proposed method is superior in terms of peak signal-to-noise ratio while maintaining a high compression ratio.
목차
Abstract
1. Introduction
2. Basic Framework and Related Work
3. The Proposed Scheme
4. Performance Evaluation
5. Conclusion
References
참고문헌 (12)
참고문헌 신청
Sugawara, M / 2003 / Ultrahigh-definition video system with 4000scanning lines / SMPTE Motion Imaging Journal 112(10-11):339~346
ISO/IEC / 1998 / Information Technology-Lossless and near-lossless compression of continuous-tone imagesBaseline / ITU-T Recommendation T.87, 14495-1
T. Wiegand / 2003 / Overview of the H.264/AVC Video Coding Standard / IEEE Transactions on Circuits and Systems for Video Technology 13(7)
D. Patel / 2015 / Review on Intraprediction in High Efficiency Video Coding (HEVC)Standard / International Journal of Computer Applications 132(13):26~29
Kim, S / 2014 / Hierarchical prediction and context adaptive coding for lossless color image compression / IEEE Transactions on image processing 23(1):445~449
ISO/IEC / 1998 / Information Technology-Lossless and near-lossless compression of continuous-tone imagesBaseline / ITU-T Recommendation T.87, 14495-1
T. Wiegand / 2003 / Overview of the H.264/AVC Video Coding Standard / IEEE Transactions on Circuits and Systems for Video Technology 13(7)
D. Patel / 2015 / Review on Intraprediction in High Efficiency Video Coding (HEVC)Standard / International Journal of Computer Applications 132(13):26~29
Kim, S / 2014 / Hierarchical prediction and context adaptive coding for lossless color image compression / IEEE Transactions on image processing 23(1):445~449
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