The motion/pursuit law for visual depth perception from motion parallax Export

@article{Nawrot2009Motion, abstract = {One of vision's most important functions is specification of the layout of objects in the 3D world. While the static optical geometry of retinal disparity explains the perception of depth from binocular stereopsis, we propose a new formula to link the pertinent dynamic geometry to the computation of depth from motion parallax. Mathematically, the ratio of retinal image motion (motion) and smooth pursuit of the eye (pursuit) provides the necessary information for the computation of relative depth from motion parallax. We show that this could have been obtained with the approaches of Nakayama and Loomis [Nakayama, K., \& Loomis, J. M. (1974). Optical velocity patterns, velocity-sensitive neurons, and space perception: A hypothesis. Perception, 3 , 63–80] or Longuet-Higgens and Prazdny [Longuet-Higgens, H. C., \& Prazdny, K. (1980). The interpretation of a moving retinal image. Proceedings of the Royal Society of London Series B, 208 , 385–397] by adding pursuit to their treatments. Results of a psychophysical experiment show that changes in the motion/pursuit ratio have a much better relationship to changes in the perception of depth from motion parallax than do changes in motion or pursuit alone. The theoretical framework provided by the motion/pursuit law provides the quantitative foundation necessary to study this fundamental visual depth perception ability.}, author = {Nawrot, Mark and Stroyan, Keith}, citeulike-article-id = {4621561}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.visres.2009.05.008}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0042698909002429}, day = {22}, doi = {10.1016/j.visres.2009.05.008}, issn = {00426989}, journal = {Vision Research}, keywords = {binocular, depth, math, motion, opticflow, parallax, psychophysics, stereopsis, structure, theory}, month = {July}, number = {15}, pages = {1969--1978}, posted-at = {2009-07-28 17:49:58}, priority = {4}, title = {The motion/pursuit law for visual depth perception from motion parallax}, url = {http://dx.doi.org/10.1016/j.visres.2009.05.008}, volume = {49}, year = {2009} }

TY - JOUR ID - Nawrot2009Motion L3 - citeulike-article-id:4621561 N2 - One of vision’s most important functions is specification of the layout of objects in the 3D world. While the static optical geometry of retinal disparity explains the perception of depth from binocular stereopsis, we propose a new formula to link the pertinent dynamic geometry to the computation of depth from motion parallax. Mathematically, the ratio of retinal image motion (motion) and smooth pursuit of the eye (pursuit) provides the necessary information for the computation of relative depth from motion parallax. We show that this could have been obtained with the approaches of Nakayama and Loomis [Nakayama, K., & Loomis, J. M. (1974). Optical velocity patterns, velocity-sensitive neurons, and space perception: A hypothesis. Perception, 3 , 63–80] or Longuet-Higgens and Prazdny [Longuet-Higgens, H. C., & Prazdny, K. (1980). The interpretation of a moving retinal image. Proceedings of the Royal Society of London Series B, 208 , 385–397] by adding pursuit to their treatments. Results of a psychophysical experiment show that changes in the motion/pursuit ratio have a much better relationship to changes in the perception of depth from motion parallax than do changes in motion or pursuit alone. The theoretical framework provided by the motion/pursuit law provides the quantitative foundation necessary to study this fundamental visual depth perception ability. IS - 15 JF - Vision Research SN - 00426989 EP - 1978 TI - The motion/pursuit law for visual depth perception from motion parallax VL - 49 SP - 1969 KW - binocular KW - depth KW - math KW - motion KW - opticflow KW - parallax KW - psychophysics KW - stereopsis KW - structure KW - theory AU - Nawrot, Mark AU - Stroyan, Keith PY - 2009/07/22/ UR - http://dx.doi.org/10.1016/j.visres.2009.05.008 ER -