Combined Frequency and Spatial Domain Algorithm for the Removal of Blocking Artifacts
نویسندگان
چکیده
منابع مشابه
Combined Frequency and Spatial Domain Algorithm for the Removal of Blocking Artifacts
A novel combined frequency and spatial domain method is presented in this paper for blockiness reduction for low bit rate compressed images. The method consists of two stages: in the first, better estimates of the reconstructed DCT coefficients are obtained based on their observed probability distribution. In the second, an efficient postprocessing scheme consisting of a region classification a...
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15 صفحه اول. Efficient DCT-domain blind measurement and reduction of blocking artifacts
Blocking artifacts continue to be among the most serious defects that occur in images and video streams compressed to low bitrates using block DCT-based compression standards(e.g., JPEG, MPEG and H.263). It is of interest to be able to numerically assess the degree of blocking artifact in a visual signal, for example, in order to objectively determine the efficacy of a compression method, or to...
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ژورنال
عنوان ژورنال: EURASIP Journal on Advances in Signal Processing
سال: 2002
ISSN: 1687-6180
DOI: 10.1155/s1110865702203133