Real-time Video Quality Assessment Methods for Video Conference System

After a deep investigation on the performance measure of the video conference and the vdieo quality assessment methods , two type plans of video quality assessment for video conference system are proposed. If we can input the sequence data to the video conference, the FR VQA method can be used to assess the video quality as human doing. To solve the problem of which frame is the reference one, the special bolck marks were added to the original sequences. Without reference, an new NR VQA method is introduced, which is the compositive assessment based on coding layer and packet layer information. The exprimental results show that two methods can obtain the dependable score which close to the subjective assessment.