Autonomous Image Transcoding for the Improvement of Web Content Server Availability




Butterfield, Michael Edmund

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Due to the exponential growth of the web and the Internet, content delivery performance is a dominant theme in Internet processes development. This thesis investigates the practices and research on the topic of web performance, and focuses on data size reduction by changing JPEG image compression levels. Compression limits were determined by a user survey on usability and acceptability of an image. The compression limits were used to evaluate website content for potential performance improvement. This information was then used to identify processes required to maintain web server availability during high server loads. A web server prototype using a JPEG filter was constructed to demonstrate the capability of automatic switching to lower data size when high loads are detected.



data compression, web servers, image compression


Butterfield, M. E. (2005). Autonomous image transcoding for the improvement of web content server availability (Unpublished thesis). Texas State University-San Marcos, San Marcos, Texas.


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