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In general the rectangular windows are used by many super-resolution reconstruction approaches, however, they are not suitable for the arc regions of images. In view of this, a novel reconstruction algorithm is proposed in this paper, which is based on the Newton–Thiele׳s rational interpolation by continued fractions in the polar coordinates. In order to get better reconstructed results, we also present...
This paper presents an image hierarchical super-resolution (SR) method with adaptive dictionaries, based on signal sparse representation. It can not only improve image detail quality but also reduce computational cost. Research on the human visual system suggests that our eyes are mainly sensitive to high-frequency contents. Inspired by this observation, we implemented a hierarchical process where...
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