Implementation of H.264/AVC Video Authentication System Using Watermark
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Abstract
This paper presents a hybrid approach to encode and decode the data received from the video using H.264 encoder/decoder and to derive the compressed data for the given image using the compression algorithm such as DCT. The encoded data derived from the output of the Encoder part, while the decoded data reconstructed from the encoded video output. The watermarking was also done on the input video in order to increase the robustness of the overall system. The watermark is an image and it was embedded into the frames of the input video which results as the watermarked video. The watermark is embedded in to the frames using DWT algorithm. From the watermarked video, the watermark (image) is decrypted and the input video is reconstructed. Experimental results demonstrate the superiority of the proposed system compared to the former existing schemes in encoding and watermarking tasks. The H.264 Encoder/Decoder method compresses the frames of the video efficiently, and at the same time, the actual input frames of the video can be reconstructed from the corresponding compressed data stream.
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