Entropy-based Object Selection andAutomatic Encryption Mechanism inMPEG-4 Streaming
碩士 === 國立成功大學 === 工程科學系碩博士班 === 92 === This paper presents a new approach to encrypt multimedia data. We adopt entropy to find motion objects, under the assumption that motion objects are more important ones We then encrypt those whose entropy values are higher than a threshold. This new tec...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2004
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| Online Access: | http://ndltd.ncl.edu.tw/handle/r3x39c |