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超分辨率图像复原的目的在于复原截止频率之外的信息 ,以使图像获得更多的细节和信息。阐述了超分辨率图像复原的理论基础 :解析延拓理论 ,信息叠加理论和非线性操作。说明了超分辨率复原能力的概念和影响因素 ,介绍了目前主要研究和采用的超分辨率复原方法 :能量连续降减法 ,Bayes分析法 ,凸集投影法 ,包括单幅图像复原法和多幅图像复原法。指出了超分辨率复原的研究和发展方向。
The purpose of super-resolution image restoration is to recover information beyond the cut-off frequency so that the image gets more detail and information. The theoretical basis of super-resolution image restoration is expounded: continuation theory, information superposition theory and nonlinear operation. The concept and influencing factors of super-resolution resilience are described. At present, super-resolution restoration methods mainly studied and adopted are introduced: continuous energy reduction method, Bayes analysis method, convex projection method, including single image restoration method and multiple Image recovery method. The research and development of super-resolution restoration are pointed out.