PSNR tool

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In the JSVM reference software, a PSNR tool is included.

The PSNR tool "PSNRStatic" can be used for measuring the Peak-Signal-To-Noise-Ratio (PSNR) between two sequences, it can additionally be used for calculating the bit-rate. The PSNR of every frame is written to stdout, and the average PSNR over all frames is written to stderr.

Remark: the whole JSVM reference software must be downloaded from a CVS server in order to obtain the PSNR tool.

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