基于块编码视频的无参考质量评估
A No-reference Quality Assessment Method for Block-Coding Video
-
摘要: 该文提出了一种适用于基于块编码视频的无参考质量评估方法。首先结合人类视觉的亮度掩盖和对比度掩盖特性提出了一个符合主观视觉感知的方块效应测度，然后根据滤波对方块效应的影响，给出了一种适合于使用不同压缩和处理算法的基于块编码重构视频的质量评估方法。实验表明该质量评估测度与主观质量评估有较好的一致性。
-
关键词:
- 视频质量评估;方块效应;视觉系统
Abstract: A new no-reference quality assessment method for block-coding video is presented in this paper. Firstly, a new blocking artifact metric is presented based on Human Visual System(HVS) taking into account of the luminance masking and activity masking characteristics. Then, with consideration of the effect of filtering, a method is proposed for assessing the quality of the reconstructed videos compressed with different block-coding algorithms. Experimental results show that the proposed no-reference quality assessment method has good consistency with subjective quality assessment methods. -
王新岱, 杨付正, 常义林. 基于数字水印的无参考视频质量评估方法. 西安电子科技大学学报, 2004, 31(2): 229233. .Wang Xin-dai, Yang Fu-zheng, Chang Yi-lin. A no-reference video quality assessment method based on digital watermark. Journal of Xidian University, 2004, 31(2): 229233.[2]Yuen M, Wu H R. A survey of hybrid MC/DPCM/DCT video coding distortion. Signal Processing, 1998, 70(3): 247278.[3]Karunasekera S A, Kingsbury N G. A distortion measure for blocking artifacts in images based on human visual sensitivity[J].IEEE Trans. on Image Processing.1995, 4(6):713-[4]Yu Zhenghua, Wu H R, Winkler Stefan, Chen Tao. Vision-model-based impairment metric to evaluate blocking artifacts in digital video. Proc of the IEEE, 2002, 90(1):154169.[5]Wu H R, Yuen M. A generalized block-edge impairment metricfor video coding[J].IEEE Signal Processing Letters.1997, 4(11):317-[6]Winkler Stefan. Issues in vision modeling for perceptual video quality assessment[J].Signal Processing.1999, 78(2):231-[7]Yuen M, Wu H R, Rao K R. Performance evaluation of POCS loop filtering in generic MC/DPCM/DCT video coding. in Proc. Int. Conf. Visual Communications and Image Processing, May 1995, SPIE, vol. 2501: 65.75.[8]ITU-T Recommendation BT.500-10. Methodology for the subjective assessment of the quality of television pictures. 2000.[9]VQEG Report. Draft final report from the video quality experts group on the validation of objective models of video quality assessment. August 2003. -
计量
- 文章访问数: 2164
- HTML全文浏览量: 105
- PDF下载量: 1326
- 被引次数: 0
下载:
