AVGUIDE2 - Section B - Video Compression (B1) What are the...

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Unformatted text preview: Section B - Video Compression (B1) What are the advantages and disadvantages of digital TV systems? Hint : Consider factors on noise, data security, VOD etc. 1 Section B - Video Compression (B2) What are the principles behind video compression? Hint : Redundancy of correlated information Directional nature of vector space Probablity distribution of data 2 Section B - Video Compression (B3) What is meant by orthonormal transform? Suggest an orthonormal basis other than discrete cosine wave that is suitable for video compression. 3 Section B - Video Compression (B4) Verify the Parseval theorem with a rectangular time window of width T. The theorem stated that energy is preserved before and after an othonormal transform. Hint : Perform Fourier transform on the function and measured its energy change with respect to the time domain 4 Section B - Video Compression (B5) Describe what is meant by Decorrelation Efficiency (DE) and Energy Compactness (EC)?...
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This note was uploaded on 01/11/2011 for the course EE 4115 taught by Professor Waimingtsang during the Spring '10 term at City University of Hong Kong.

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AVGUIDE2 - Section B - Video Compression (B1) What are the...

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