15 February 2011 Geometric and subjective analysis of stereoscopic I3A cluster images
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This paper presents a geometric and subjective analysis of stereoscopic versions of close range I3A clusters (Subject- Camera distances below 5 m). The geometry of the stereoscopic pipeline from the scene to the viewer's eyes is a very relevant issue in stereoscopic media. One important factor is the camera separation, because it can be used to control the perceived depth of stereoscopic images. The computational camera separations were compared to subjectively preferred camera separations. Participants evaluated the strength and naturalness of depth sensation and overall viewing experience from the still images with single-stimulus method. Results showed that participants were able to perceive the change of depth range even though the images were shown in random order without a reference depth scale. A mild depth sensation was preferred over strong depth sensations. The computational camera separation differed from the subjectively preferred camera separation when the depth range of the scene was narrow. This result indicates that scenes with narrow depth should not be imaged with a long camera separation just to fill the depth budget of the display.
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Mikko Kytö, Mikko Kytö, Jussi Hakala, Jussi Hakala, } "Geometric and subjective analysis of stereoscopic I3A cluster images", Proc. SPIE 7863, Stereoscopic Displays and Applications XXII, 786319 (15 February 2011); doi: 10.1117/12.872519; https://doi.org/10.1117/12.872519

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