A Combined Approach of Using DWT-DCT Watermarking and AES Encryption to Improve the Security of Satellite Images

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Provided by: International Journal Of Engineering And Computer Science
Topic: Security
Format: PDF
With the large-scale research in space sciences and technologies, there is a great demand of satellite image security system for providing secure storage and transmission of satellite images. As the demand to protect the sensitive and valuable data from satellites has increased and hence proposed a new method for satellite image security by combining DWT-DCT watermarking and AES encryption. Watermarking techniques developed for normal multimedia data cannot be directly applied to the satellite images because here the analytic integrity of the data, rather than perceptual quality, is of primary importance.
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