Abstract
Temporal interlacing is a method for presenting stereoscopic 3D content whereby the two eyes' views are presented at different times and optical filtering selectively delivers the appropriate view to each eye. This approach is prone to distortions in perceived depth because the visual system can interpret the temporal delay between binocular views as spatial disparity. We propose a novel color-interlacing display protocol that reverses the order of binocular presentation for the green primary but maintains the order for the red and blue primaries: During the first sub-frame, the left eye sees the green component of the left-eye view and the right eye sees the red and blue components of the right-eye view, and vice versa during the second sub-frame. The proposed method distributes the luminance of each eye's view more evenly over time. Because disparity estimation is based primarily on luminance information, a more even distribution of luminance over time should reduce depth distortion. We conducted a psychophysical experiment to test these expectations and indeed found that less depth distortion occurs with color interlacing than temporal interlacing.
Highlights
Stereoscopic 3D (S3D) displays create a compelling sensation of depth by presenting slightly different images to the two eyes
Spatial interlacing reduces the number of pixels delivered to each eye by half and reduces the effective resolution of the display when the viewer is at the recommended viewing distance
When the stimulus is saturated green or magenta, the color-interlacing protocol becomes identical to conventional temporal interlacing, so depth distortions proportional to object speed are predicted
Summary
Stereoscopic 3D (S3D) displays create a compelling sensation of depth by presenting slightly different images to the two eyes. Various techniques are used to deliver distinct images to the eyes with one display screen. Alternate rows on the screen have opposite polarizations. The viewer wears passive glasses that contain filters with opposite polarization states such that one eye sees the images presented on odd pixel rows while the other eye sees the images presented on even rows [1,2]. Spatial interlacing reduces the number of pixels delivered to each eye by half and reduces the effective resolution of the display when the viewer is at the recommended viewing distance (for example, three times picture height for high-definition television)
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