bit map


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bit·map

or bit map  (bĭt′măp′)
n. Computers
A set of bits that represents a graphic image, with each bit or group of bits corresponding to a pixel in the image.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bit′ map`


n.
a piece of text, a drawing, etc., represented, as on a computer display, by the activation of certain dots in a rectangular matrix of dots.
[1970–75]
bit′-mapped`, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
In their scheme, a bit map is broadcasted by each sensor node to the nearby sensors, which indicates which buckets have data.
Figure 16 compares three approaches: a basic bit map coding and two versions of sequence coding.
The second cluster [L.sub.2] is used to contain the rest pixels.This means that the corresponding bit value to be stored into the bit map, BM, is 0 or 1, when the pixel is in the cluster [L.sub.1] or in the cluster [L.sub.2], respectively.
Windows CE model had a better option for bit map caching.
According to TeleGeography's GlobalComms database LAP Green acquired a 69% stake in Uganda Telecom (UTL) in April 2007 and six months later acquired an 80% interest in Rwandatel for USD100 million, beating rival offers from the likes of Vodacom, Celtel (now part of the Zain Group), V-Tel Holdings of Jordan, Bit Map (Singapore) and Rwanda\'s R-Com.
Take the raw bit map that scanning generates, open it up in your image editing software, crop it, make it look presentable, and then choose the Save As function (or similar), and save your photo as a jpg.
It uses general-purpose redundancy allocation software along with the failed bit map to repair the memories.
Query flexibility and the ability to perform index scans efficiently, as well as good selectivity from a combination of predicates in a where clause, means that a bit map index is useful in a data warehouse.
New Transactional Bit Map Indexing helps with complex queries with nonstandard data types such as graphics, images, DNA sequences, microarrays and time series data.