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摘要
En 中文
In the recent years, Internet multimedia applications have become very popular. Valuable multimedia content such as digital images, however, is vulnerable to unauthorized access while in storage and during transmission over a network. Streaming digital images also require high network bandwidth for transmission. For effective image transmission over Internet; therefore, both security and bandwidth issues must be considered. In this paper, we present a novel scheme, which combines Discrete Wavelet Transform (DWT) for image compression and block cipher Data Encryption Standard (DES)for image encryption. The simulation results indicate that our proposed method enhances the security for image transmission over the Internet as well as improves the transmission rate.
Keyword:
image compression
image encryption
discrete wavelet transform
data encryption standard
期刊
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10.9
论文数:
5.3K
被引数:
6.8K
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