منابع مشابه
Image Restoration Using A PDE-Based Approach
Image restoration is an essential preprocessing step for many image analysis applications. In any image restoration techniques, keeping structure of the image unchanged is very important. Such structure in an image often corresponds to the region discontinuities and edges. The techniques based on partial differential equations, such as the heat equations, are receiving considerable attention i...
متن کاملImage Restoration and Reconstruction
• Objective process to improve an image, as opposed to the subjective process of image enhancement – Enhancement uses heuristics to improve the image for human visual system, for example, by contrast stretching – Restoration attempts to reverse engineer the image based on modeling the degradation process, exemplified by removal of image blur • Recover an image by using a priori knowledge of deg...
متن کاملImage Restoration and Reconstruction
• Objective process to improve an image, as opposed to the subjective process of image enhancement – Enhancement uses heuristics to improve the image for human visual system, for example, by contrast stretching – Restoration attempts to reverse engineer the image based on modeling the degradation process, exemplified by removal of image blur • Recover an image by using a priori knowledge of deg...
متن کاملImage Restoration with Two-Dimensional Adaptive Filter Algorithms
Two-dimensional (TD) adaptive filtering is a technique that can be applied to many image, and signal processing applications. This paper extends the one-dimensional adaptive filter algorithms to TD structures and the novel TD adaptive filters are established. Based on this extension, the TD variable step-size normalized least mean squares (TD-VSS-NLMS), the TD-VSS affine projection algorithms (...
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ژورنال
عنوان ژورنال: Computers in Physics
سال: 1988
ISSN: 0894-1866
DOI: 10.1063/1.4822766