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CLC number: TP391.41

On-line Access: 2014-09-06

Received: 2014-03-18

Revision Accepted: 2014-06-25

Crosschecked: 2014-08-19

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Journal of Zhejiang University SCIENCE C 2014 Vol.15 No.9 P.717-728

http://doi.org/10.1631/jzus.C1400100


Image anti-aliasing techniques for Internet visual media processing: a review


Author(s):  Xu-dong Jiang, Bin Sheng, Wei-yao Lin, Wei Lu, Li-zhuang Ma

Affiliation(s):  Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; more

Corresponding email(s):   shengbin@sjtu.edu.cn

Key Words:  Anti-aliasing, Hardware, Post-filtering, Pre-filtering, Sampling


Xu-dong Jiang, Bin Sheng, Wei-yao Lin, Wei Lu, Li-zhuang Ma. Image anti-aliasing techniques for Internet visual media processing: a review[J]. Journal of Zhejiang University Science C, 2014, 15(9): 717-728.

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%A Wei-yao Lin
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.C1400100


Abstract: 
anti-aliasing is a well-established technique in computer graphics that reduces the blocky or stair-wise appearance of pixels. This paper provides a comprehensive overview of the anti-aliasing techniques used in computer graphics, which can be classified into two categories: post-filtering based anti-aliasing and pre-filtering based anti-aliasing. We discuss post-filtering based anti-aliasing algorithms through classifying them into hardware anti-aliasing techniques and post-process techniques for deferred rendering. Comparisons are made among different methods to illustrate the strengths and weaknesses of every category. We also review the utilization of anti-aliasing techniques from the first category in different graphic processing units, i.e., different NVIDIA and AMD series. This review provides a guide that should allow researchers to position their work in this important research area, and new research problems are identified.

网络可视媒体处理中的图像反锯齿技术:回顾与展望

研究目的:通过调查不同反锯齿技术的实现方法和优缺点,为研究人员提供一种快速理解反锯齿技术的方法,并指出该领域未来研究方向。
文章内容:将图像反锯齿技术分为后滤波和预滤波两大类,并将后滤波技术细分为硬件反锯齿技术和后处理反锯齿技术(图1)。针对每一类技术,分析了主流反锯齿技术的实现原理和主要优缺点。在讨论每一类技术的最后,将这些技术作了归纳和比较,并阐述其应用。对后滤波技术,首先讨论了基于GPU管线的SSAA、MSAA及其不同的改进技术,接着分析了为适应延迟渲染技术而出现的独立于GPU管线的各种后处理滤波技术(以形态反锯齿技术为代表),最后从不同方面比较了主流后滤波技术间的差异(表1)。对于预滤波技术,主要依据时间发展脉络讨论了不同的解析反锯齿技术。最后,从反锯齿质量、性能、输入限制、带宽需求等方面对这两大类技术作了比较(表2),指出了未来研究方向。
反锯齿;硬件;后滤波;预滤波;采样

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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