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  • Enhancement of Decompressed Images at Low Bit Rates 

    Gopinath, Ramesh A.; Lang, Markus; Guo, Haitao; Odegard, Jan E. (1994-07-20)
    Transform coding at low bit rates introduces artifacts associated with the basis functions of the transform. For example, decompressed images based on the DCT (discrete cosine transform)- like JPEG<sup>16</sup> - exhibit ...
  • A recursive algorithm for digital Image Processing using Local Statistics 

    de Figueiredo, Rui J.P. (1979-06-20)
    An algorithm is presented for digital image processing based on local statistics. The algorithm constitutes a recursive implementaiton of an approach proposed and implemented nonrecursively by J.S. Lee (Naval Research ...