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Digital watermarking algorithms for recovery and authentication of compressed images
总结
Shih-Fu Chang, Ph.D.
技术优势
Does not degrade image qualityAccepts legitimate and innocent alterations to images Detects malicious alterations such as cropping and replacementRecovers approximate pixel values in corrupted areasPatent information:Patent Issued (US 6,879,703)Tech Ventures Reference: IR M01-018
技术应用
Authenticator for compressed and altered imagesRecovery system for damaged image filesDigital image management system for photographers, artists, publishers, etc.
详细技术说明
Shih-Fu Chang, Ph.D.
国家/地区
美国
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