Forensic communication apparatus and method. An apparatus is disclosed for recording image or other data in real time. The apparatus includes a capture device for capturing the image or other information. Once captured, a local verification device is operable to indelibly mark the captured image or other information with the date, time, location and information identifying the creator of the data. A transmitter is provided for transmitting the locally verified captured image or other information in real time to a secure storage facility. The capture device is operable, after the locally verified captured image or other information is transmitted to the secure storage facility, to receive and verify acknowledgment of the receipt of the transmitted locally verified captured image or other information to the storage facility.

 
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< Applying informed coding, informed embedding and perceptual shaping to design a robust, high-capacity watermark

> Low visibility watermark using time decay fluorescence

> Robust recognizer of perceptually similar content

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