Method and apparatus for perceptual model based video compression
A method and apparatus for perceptual model based video compression calculates a bitrate value that follows with stabilizing delay the actual bitrates of previous frames. A current quantization coefficient is determined with the calculated bitrate value and a perceptual model. The current quantizati...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
19.08.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | A method and apparatus for perceptual model based video compression calculates a bitrate value that follows with stabilizing delay the actual bitrates of previous frames. A current quantization coefficient is determined with the calculated bitrate value and a perceptual model. The current quantization coefficient's rate of change is limited based on a previous quantization coefficient. After the current quantization coefficient has been calculated and limited, a current frame is encoded with the limited current quantization coefficient. |
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Bibliography: | Application Number: US20030366863 |