適用於數位家庭媒體整合之JPEG-LS演算法以區段為基準的流量控制方法設計及分析

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適用於數位家庭媒體整合之JPEG-LS演算法以區段為基準的流量控制方法設計及分析

Design and Analysis of JPEG-LS algorithm with efficient segment-based rate control scheme for digital home media integration

高淑卿 , Masters　　Advisor：蔡宗漢　　

英文

流量控制； JPEG-LS ； rate control ； JPEG-LS

Abstract │ Reference (29) │ Altmetrics

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With the advancement of liquid crystal display (LCD) technology, high speed, high-color-depth and high-resolution is indispensable. Many high speed digital transmission standards have been developed, such as High Definition Multimedia Interface (HDMI) and wireless-HD. Due to physical limitations, many transmission standards are not suitable for Digital Home Media Integration (DHMI). Moreover, in recent years, the near-lossless compression algorithm with rate control scheme is applied for limited memory storage and transmission bandwidth. For image compression, both compression ratio and high visual quality become primary requirements for high-end applications. In order to make the digital data to be transmitted efficiently and save the cost, we integrate row-level rate control scheme with the JPEG-LS for digital home media applications. 
In this thesis, an efficient and feasible solution with the segment-based rate control (SBRC) scheme in JPEG-LS for low cost DHMI is proposed. The SBRC scheme exploits the characteristics of human visual perception and local texture analysis to optimize the information loss distribution and achieves the best rate control. Furthermore, for human visual perception, the scaling JND model is developed to optimize the reconstructed image quality. 
Experimental results are reported to support the performance of the proposed scheme. With our method, the experiment results show that only minor PSNR is degraded in comparison with non-rate controlled JPEG-LS and the digital data can be transmitted from multiple source providers to the corresponding display media through a single HDMI cable.

Reference ( 29 ) 〈TOP〉

[2] M. J. Weinberger, J. Rissanen, and R. Arps, "Applications of universal context modeling to lossless compression of gray-scale images," Journal, IEEE Trans. Image Processing, vol. 5, pp. 575-586, Apr. 1996.
連結：
[3] J. Jiang and C. Grecos, “A low cost design of rate controlled JPEG-LS near lossless image compression,” Journal, Image and Vision Computing 19, pp. 153-164, 2001.
連結：
[4] Jianmin Jiang, “A Low-Cost Content-Adaptive and Rate-Controllable Near-Lossless Image Codec in DPCM Domain,” IEEE Trans. on image processing, vol. 9, No. 4, April 2000.
連結：
[5] E.A. Edirisinghe and S. Bedi, “Variation of JPEG-LS to low cost rate control and its application in region-of-interest based coding,” Journal, Image and Vision Computing 18, pp. 357-372, 2003.
連結：
[6] J. Jiang and S. Y. Yang, “ A Rate-Controlled Near Lossless Image CODEC Based on Visual Perception and Content Adaptability,” Proceedings of SPIE, multimedia systems and applications III, vol. 4209, 2001
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