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macroblock

   Also found in: Wikipedia 0.01 sec.
macroblock
A square group of pixels, typically 8x8 or 16x16, that is treated as an entity for compression and decompression. See chroma subsampling and blocking artifacts.
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Other topics are mine forecasting based on genetic annealing neural networks, semantic web service modeling and composition based on description logic rules, self-learning of robots based on Skinner's operant conditioning, and global motion estimation using macroblock pair vectors.
Information technology and computer science; proceedings; 2v by SciTech Book News
For some videos with smart motion, the number of such macroblock is high enough to make the encrypted video intelligible.
Recent advances in multimedia information system security by Lian, Shiguo; Kanellopoulos, Dimitris; Ruffo, Giancarlo / Informatica
For interframe prediction, a larger block of typically 16 X 16 pixels consisting of four neighboring 8 X 8 luminance DCT blocks--referred to as a macroblock (MB)--is used to perform block matching motion estimation and compensation.
Video Transmission for Third Generation Wireless Communication Systems by Alamouti, S. M. / Journal of Research of the National Institute of Standards and Technology
 
 
 
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