Super-Resolution from Compressed Video
The International Series in Engineering and Computer ScienceSuper-Resolution Imaging(2002)
摘要
The problem of recovering a high-resolution frame from a sequence of low-resolution and compressed images is considered. The
presence of the compression system complicates the recovery problem, as the operation reduces the amount of frequency aliasing
in the low-resolution frames and introduces a non-linear noise process. Increasing the resolution of the decoded frames can
still be addressed in a recovery framework though, but the method must also include knowledge of the underlying compression
system. Furthermore, improving the spatial resolution of the decoded sequence is no longer the only goal of the recovery algorithm.
Instead, the technique is also required to attenuate compression artifacts.
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关键词
video compression,spatial scalability,standards conversion,image compression,interpolation,super-resolution,image scaling,de-interlacing,post-processing,motion vector constraint,resolution enhancement,super resolution
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