We present an approach for recovering surface shape from the occluding contour using an active (i.e., moving) observer. It is based on a relation between the geometries of a surface in a scene and its occluding contour: If the viewing direction of the observer is along a principal direction for a surface point whose projection is on the contour , surface shape (i.e., curvature) at the surface p...

For studying the mechanism of the brain, so called “synthetic approach” is effective. Synthetic approach is to conjecture the mechanism of the target through constructing its model. We have constructed some twenty models of the brain for this study. In this article, we describe one of them which we constructed recently. The model includes abilities of perception, memory, and action. To have the...

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We present a viewing strategy for exploring the surface of an unknown object (i.e., making all of its points visible) by purposefully controlling the motion of an active observer. It is based on a simple relation between (1) the instantaneous direction of motion of the observer, (2) the visibility of points projecting to the occluding contour, and (3) the surface normal at those points: If the ...

In the present study we use the property of some linguistic items to express more than one meaning in order to investigate whether there is semantic priming at the sentence level. To test such a priming effect we use the connective because that can express a causal or purposive relation. If there is a priming effect, then participants will be expected to use causal because following causal prim...