Give us Feedback!
Set the category for this topic
Arts & Culture
Biology & Nature
Business & Companies
Food & Drink
Geography & Travel
Health & Medicine
History & Events
Religion & Philosophy
Society & Politics
Technology & Computing
Transportation & Vehicles
- Created 2012-02-15
method that compresses data by discarding (losing) some of it. The procedure aims to minimize the amount of data that needs to be held, handled, and/or transmitted by a computer. The different versions of the photo of the
at the right demonstrate how much data can be dispensed with, and how the images become progressively coarser as the data that made up the original one is discarded (lost). Typically, a substantial amount of data can be discarded before the result is sufficiently degraded to be noticed by the user.
Lossy compression is most commonly used to compress
, and), especially in applications such as
. By contrast,
is required for text and data files, such as bank records and text articles. In many cases it is advantageous to make a master lossless file that can then be used to produce compressed files for different purposes; for example, a multi-megabyte file can be used at full size to produce a full-page advertisement in a glossy magazine, and a 10 kilobyte lossy copy can be made for a small image on a web page.
from Wikipedia (last updated: 18 May), licensed under
What do you know about this topic?
Please make sure to only add personal information and experiences about this topic that complements the article above. Comments or opinions should be posted at the bottom of the page by clicking
. Thanks alot for contributing!
...or create an Experience Page
Currently no applications. Add an application using the contribute box to the right.
Let People Vote
Ask a Question
Lossy audio formats
Data compression basics
Lossy PNG image compression (research)
Using lossy GIF/PNG compression for the web (article)
JPG for Archiving
Lossless data compression
Add new image
Add image by copy and paste a link:
Add external link
Links to external pages
Add related topic
Links to related topics
Copyright 2011 © Empedia.com BETA
Forgot your password?