Suzuki K, Osada Y, 2004, "Perceptual grouping of serially presented motion-picture shots" Perception 33 ECVP Abstract Supplement
Perceptual grouping of serially presented motion-picture shots
K Suzuki, Y Osada
We investigated what factor affects the perceptual grouping of serial presentation of motion-picture shots. We used motion-picture shots of an actor going away from the camera and coming back to it. We removed the first and the last frames of the original shots on a stepwise basis to obtain three motion-picture shots of different durations (20, 18, and 17 s). All three shots were presented once to ten subjects, who were asked whether they perceived that the actor's walking motion would continue or discontinue even after the end of each shot. Three shots of different durations were each presented repeatedly, after which the subjects were asked to rate the continuity between the shots. The results demonstrate that completeness of motion was rated high when the shot of 20 s duration was presented once only, but that discontinuity of shots was perceived when they were presented repeatedly. When the shot of 17 s duration was presented once only, completeness of motion was rated low, but when it was presented repeatedly, shots were perceived as if continuous, like a single event. Our interpretation is that good continuation of shots is one of dynamic Gestalt factors contributing to unification of motion pictures.
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