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15.2. Test Methods

The verification tests basically were carried out applying the test methods described in Recommendations ITU-R BT.500 [BT500] and ITU-T P.910 [P910]. In some cases, slight modifications to the standard test procedures were applied, to improve the reliability of test results; in other cases, important modifications were introduced, to properly evaluate new MPEG-4 functionalities. In the latter case, these modifications were proposed to the ITU groups in charge of developing subjective test methodology; they were included in the above-mentioned recommendations.

The test methods used for the MPEG-4 video verification tests are listed below:


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