macroblock


Also found in: Wikipedia.

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.
References in periodicals archive ?
Get Experts' Insights For FREE:https://www.factmr.com/connectus/sample?flag=S&rep_id=1270 Some of the key players of LED Drivers market are Texas Instruments Incorporated; Toshiba Electronic Devices & Storage Corporation; STMicroelectronics N.V.; ON Semiconductor; General Electric Company; Cree, Inc.; NXP Semiconductor N.V.; AC Electronics; Atmel Corporation; Harvard Technology Ltd.; Koninklijke Philips N.V.; Lutron Electronics Co.; Macroblock Inc.; Maxim Integrated Products, Inc.; Osram GmbH; Skyworks Solutions; ROHM Semiconductors; Micrel Semiconductor; Zetex and others.
Some of the confirmed participants are Epistar, Macroblock, Otsuka Information Technology, Lextar Electronics, Topco Scientific and NationStar Optoelectronics.
and Chunghwa Picture Tubes, Ltd.(CPT) will again shine brilliantly at Touch Taiwan with their latest product and technology offerings, and many other industry players including Epistar Corp., Lextar Electronics Corp., Macroblock, Inc., Topco Scientific, and NationStar Optoelectronics will attend the show as first-timers to showcase their multiple products and solutions associated with Micro LED/Mini LED, seeking to build connections with global display industry chains and demonstrate the latest technologies and applications.
Their scheme used several paired-coefficients of a 4 x 4 macroblock to embed the secret data to avoid distortion drift.
Macroblock (MB) of size M x N from current frame will look for its best match in region having maximum probability called search region in reference frame.
where [a.sub.i](m, n) represents the average gray value of the i macroblock and [f.sub.[theta]] (i) represents i macroblocks' edge detection operator in direction [theta].
To make the process more efficient, researchers have developed a technique in which the cache learns over time which data the processor needs from each macroblock. This allows the cache to do two things.
4.33, a paid video analysis software, it analyzes the H.264 image frame by frame and then analyze down to the macroblock (MB) pattern information from a single frame.
Chen, "A fast algorithm for MPEG video segmentation based on macroblock," in Proceedings of the 4th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD '07), vol.
The proposed module had been evaluated with three different video compression algorithms and variable macroblock size.
Most of the algorithms are based on the adaptation of the quantization parameters at one or more of the following video levels: scene, GOP, frame, slice, macroblock, block.
The experimental methods stated in this paper are mainly aimed at testing the thermal performance of the one LED lighting module supplied by Macroblock Corp.