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The blocking artifact frequently appears in compressed real-world images or video sequences, especially coded at low bit rates, which is visually annoying and likely hurts the performance of many computer vision algorithms. A compressed frame can be viewed as the superimposition of an intrinsic layer and an artifact one. Recovering the two layers from such frames seems to be a severely ill-posed problem...
In this work, we propose an effective method for improving the aesthetics of a given image based on the horizon information extracted from the image. We employ the vanishing line detection method to determine the horizon and then adjust the angle of the scene to level the horizon. The image is thus retargeted to highlight the visual appearance. In addition, our method can also be applied on the task...
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