Assessing the quality of a video signal during encoding or compressing of the video signal

摘要

The invention provides a method and apparatus for assessing the quality of a video signal during encoding or compressing of the video signal, the method comprising the steps of: a) estimating the quality of the encoded or compressed video signal using one or more parameters; and b) using the length of the Group of Pictures, GOP, and/or GOP-length-related parameters as additional parameter(s) to adjust the estimated video signal quality.