基于小波的交替集合投射插值方法  

A Wavelet Based Alternative-projections Algorithm

作　　者：陈明[1] 蔡汉添[2] 

机构地区：[1]湛江海洋大学工程学院,广东湛江524025 [2]华南理工大学电子与信息学院,广东广州510641

出　　处：《电子科技》2004年第5期35-38,共4页Electronic Science and Technology

摘　　要：大多数的数码相机都是根据特定的模板而使用颜色滤波阵列来对红、绿、蓝的颜色进行采样。每个像素的位置上只有一种颜色的采样,其他的颜色部分则需要插值恢复。这是数码相机的工作流程上一项重要的任务。该文提出了一种新的插值恢复技术,它有效利用了颜色信号之间相关性,采用基于小波的交替集合投射插值算法,这种算法可以实现更好的视觉效果,实验效果令人满意。Most commercial digital cameras use color filter arrays to sample the red, green, and blue colors according to a specific pattern. At the location of each pixel only one color sample is taken, and the values of the other colors must be interpolated, which is known as demosaicing. It is one of the important tasks in a digital camera pipeline. This paper presents a new demosaicing technique that uses inter-channel correlation effectively in an alternative-projections based wavelet algorithm. The wavelet method can help achieve better visual quality and the experiment result is satisfying.

关 键 词：“Bayer”模板 交替集合投射 颜色滤波阵列 插值恢复 小波变换 分解 重构 . 

分 类 号：TN911.73[电子电信—通信与信息系统]