Title :
Removal of `staircase´ effects in coarsely quantized video sequences
Author :
Ramamoorthy, Victor
Author_Institution :
Southwestern Bell Technology Resources Inc., St. Louis, MO, USA
Abstract :
A postprocessing algorithm to remove `staircase´ effects present in a coarsely quantized video sequence is presented. This algorithm uses order-statistics filters and is easy to implement in real-time systems. Simulation results are presented
Keywords :
edge detection; filtering and prediction theory; image sequences; video signals; coarsely quantized video sequences; order-statistics filters; postprocessing algorithm; real-time systems; staircase effects removal; Bit rate; Block codes; Degradation; Detectors; Image edge detection; Nonlinear filters; Quantization; Real time systems; Spatial resolution; Video sequences;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-0532-9
DOI :
10.1109/ICASSP.1992.226239
