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|Title:||Removal of grid-pattern noise introduced by M-channel subband image coding||Authors:||Bi, M.
|Issue Date:||2000||Citation:||Bi, M.,Ong, S.H.,Ang, Y.H. (2000). Removal of grid-pattern noise introduced by M-channel subband image coding. Real-Time Imaging 6 (1) : 47-54. ScholarBank@NUS Repository.||Abstract:||A method is proposed for reducing grid-pattern noise introduced by low bit-rate coding of images using integer-modulated filter banks. The noise level can be reduced significantly by applying a predictive subband coefficient compensation algorithm in the iterative synthesis filtering stage. Simulation results show the improvement in visual quality and a decrease in mean square error values of about 2 to 5. The coefficient compensation algorithm is suitable for real-time implementation since it is computationally simple and uses only integer operations.||Source Title:||Real-Time Imaging||URI:||http://scholarbank.nus.edu.sg/handle/10635/50595||ISSN:||10072014|
|Appears in Collections:||Staff Publications|
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