Contours from apparent motion: a computational theory Export

@unpublished{Prophet2000Contours, abstract = {Sequential changes in small separated texture elements can produce perception of a moving form with continuous boundaries. This process of spatiotemporal boundary formation may exist to provide a robust means of detecting moving objects that occlude more distant textured surfaces. Whereas most research on spatiotemporal boundary formation has been focused on boundary and shape perception, two experiments are reported here on the perception of surface qualities in spatiotemporal boundary formation. In experiment 1 a free-report procedure was used to investigate whether surface perception can be determined by dynamic information alone, apart from static spatial differences. Results showed that dynamic information was sufficient to determine the appearance of a surface. This dynamic information may play an important role in other aspects of perception. In experiment 2, it was shown that dynamically specifying an extended, opaque surface facilitated edge perception. Implications for the relation of boundary and surface perception and for theories of perceptual transparency are discussed.}, author = {Prophet, William D. and Hoffman, Donald D. and Cicerone, Carol M.}, citeulike-article-id = {2861939}, citeulike-linkout-0 = {http://www.cogsci.uci.edu/~ddhoff/2001-57-MotionContours.pdf}, keywords = {aperture, apparent, boundary, contour, motion, theory}, month = {December}, posted-at = {2008-06-04 18:29:11}, priority = {3}, title = {Contours from apparent motion: a computational theory}, url = {http://www.cogsci.uci.edu/~ddhoff/2001-57-MotionContours.pdf}, year = {2000} }

TY - UNPB ID - Prophet2000Contours L3 - citeulike-article-id:2861939 N2 - Sequential changes in small separated texture elements can produce perception of a moving form with continuous boundaries. This process of spatiotemporal boundary formation may exist to provide a robust means of detecting moving objects that occlude more distant textured surfaces. Whereas most research on spatiotemporal boundary formation has been focused on boundary and shape perception, two experiments are reported here on the perception of surface qualities in spatiotemporal boundary formation. In experiment 1 a free-report procedure was used to investigate whether surface perception can be determined by dynamic information alone, apart from static spatial differences. Results showed that dynamic information was sufficient to determine the appearance of a surface. This dynamic information may play an important role in other aspects of perception. In experiment 2, it was shown that dynamically specifying an extended, opaque surface facilitated edge perception. Implications for the relation of boundary and surface perception and for theories of perceptual transparency are discussed. TI - Contours from apparent motion: a computational theory KW - aperture KW - apparent KW - boundary KW - contour KW - motion KW - theory AU - Prophet, William AU - Hoffman, Donald AU - Cicerone, Carol PY - 2000/12// UR - http://www.cogsci.uci.edu/~ddhoff/2001-57-MotionContours.pdf ER -