Browsing by Subject "Multimedia systems -- Research"

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    Space frequency quantization in video compression
    (Texas Tech University, 2004-05) Pai, Sunil Subrao
    The recent explosion in digital video storage and delivery has presented strong motivations for high performance video compression solutions. One second of uncompressed video would require about 30 MB of disk space (30 fps x 921,600 bytes per frame). For today's PCs, 10 MBs per second data throughput rates is considered fast. With the web, we have an even more significant problem. With the current storage devices and the bandwidth available, the only way to share videos is to compress them, and higher the compression the better it is. Over the past decade, the wavelets have been used successfully in solving many difficult problems requiring transform domain processing, including image compression (e.g., JPEG 2000). This thesis is an attempt to use wavelet transform in video compression instead of the traditional discrete cosine transform (DCT)-based technique.