Psychovisual aspects of viewing stereoscopic video sequences

Wa James Tam; Lew B. Stelmach; Philip J. Corriveau

doi:10.1117/12.307169

30 April 1998 Psychovisual aspects of viewing stereoscopic video sequences

Wa James Tam, Lew B. Stelmach, Philip J. Corriveau

Proceedings Volume 3295, Stereoscopic Displays and Virtual Reality Systems V; (1998) https://doi.org/10.1117/12.307169
Event: Photonics West '98 Electronic Imaging, 1998, San Jose, CA, United States

Abstract

In comparison to conventional displays, 3D stereoscopic displays convey additional information about the 3D structure of a scene by providing information that can be used to extract depth. In the present study we evaluated the psychovisual impact of stereoscopic images on viewers. Thirty-three non-expert viewers rated sensation of depth, perceived sharpness, subjective image quality, and relative preference for stereoscopic over non-stereoscopic images. Rating methods were based on procedures described in ITU- Rec. 500. Viewers also rated sequences in which the left- and right-eye images were processed independently, using a generic MPEG-2 codec, at bit-rates of 6, 3, and 1 Mbits/s. The main finding was that viewers preferred the stereoscopic version over the non-stereoscopic version of the sequences, provided that the sequence did not contain noticeable stereo artifacts, such as exaggerated disparity. Perceived depth was rated greater for stereoscopic than for non-stereoscopic sequences, and perceived sharpness of stereoscopic sequences was rated the same or lower compared to non-stereoscopic sequences. Subjective image quality was influenced primarily by apparent sharpness of the video sequences, and less so by perceived depth.

Citation Download Citation

Wa James Tam, Lew B. Stelmach, and Philip J. Corriveau "Psychovisual aspects of viewing stereoscopic video sequences", Proc. SPIE 3295, Stereoscopic Displays and Virtual Reality Systems V, (30 April 1998); https://doi.org/10.1117/12.307169

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