Abstract
In this paper, a video quality assessment method based on two-level temporal pooling is proposed. By dividing a video sequence into groups of frames (GOFs) with variable lengths, a short-term temporal pooling is performed first at the eye fixation level to obtain the GOF quality. The determination of the GOF size is based on empirical observations from subjective tests that evaluate the duration of successive frames based on which steady quality judgment can be made by the human visual system. The video quality is further obtained by a second level of long-term temporal pooling using the GOF quality. The impact of strong impairment in part of the video on the cognitive system is incorporated in the proposed method for video quality assessment. Extensive experimental results have demonstrated the effectiveness of the proposed method for spatial-temporal distortion evaluation considering both regular and irregular frame loss.
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