1) Data Compression. http://en.wikipedia.org/wiki/Data_compression
The first reading talks about Data compression. Data compression is the process of encoding information using fewer bits. We use data compression to make sure that both sender and receiver understand the encoding schema. Data compression has advantage reduce the consumption of expensive resources. But it also has disadvantage; compressed data must be decompressed to be used, and this extra processing may be detrimental to some applications. Then it explains what the different between Lossless (sender's data more concisely without error.)Versus lossy compression (guided by research on how people perceive the data in question)
2) Data compression basics (long documents, but covers all basics and beyond): http://dvd-hq.info/data_compression_1.php
This reading has the same information that the first reading has about data compression , but the second reading explain it more by using images and examples.
3) Edward A. Galloway, “Imaging Pittsburgh: Creating a shared gateway to digital image collections of the Pittsburgh region” First Monday 9:5 2004 http://www.firstmonday.org/issues/issue9_5/galloway/index.html
This article talks about "Imaging Pittsburgh" .The purpose of this project is to create a single Web gateway for the public to access thousands of visual images from photographic collections held by the Archives Service Center of the University of Pittsburgh. The benefit of this project is to allow the users working with the collections as a group. And let them obtain a wider picture of events and people. The user of the gateway can Conduct a keyword search across all the image collections; Browse images within any given collection; Read about the collections and their contents, including provenance, date span, and coverage; Explore the image collections by time, place and theme; and Order image reproductions.
4) Paula L. Webb, YouTube and libraries: It could be a beautiful relationship C&RL News, June 2007 Vol. 68, No. 6 0 http://www.ala.org/ala/acrl/acrlpubs/crlnews/backissues2007/jun07/youtube.cfm
I tried to open this link but it does not open with me. anyone has the same problem ?
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I went to the ALA website and did a search for the article...doing that found it immediately. I enjoyed reading that article as it discussed many uses for YouTube in the library and gave instructions for someone who is inexperienced with the program.
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