Characteristics of the flux dimension cue in apparent motion correspondence SIMA SHECHTER and SHAUL HOCHSTEIN* Neurobiology Department, Institute of Life Sciences, Hebrew University, Jerusalem, 91904 Israel Received 15 January 1990; revised 22 November 1990; accepted 3 April 1991 Abstract-It has been shown that element flux and size (but not luminance) serve as correspondence cues in the apparent motion visual system. Results are now presented of a study of the characteristics of the flux cue. It was found that flux rather than luminance is used by the system even when the size of the elements is greater than the size limit of Ricco's law. There were interactions between the apparent motion processing of the size and flux dimensions, beyond the obvious dependence of flux on size: positively correlated size and flux differences between elements have a greater effect on correspondence than do negatively correlated differences. Finally, when comparing the fluxes of different elements, the apparent motion system uses relative flux (above or below background) rather than absolute flux (relative to zero). INTRODUCTION Apparent motion is the perception of motion due to viewing a properly timed series of stationary stimulus frames in which elements are differently positioned (Wertheimer, 1912; Braddick,
Spatial Vision (continued as Seeing & Perceiving from 2010) – Brill
Published: Jan 1, 1992
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