Chapter 4: Spontaneous Morphing Heather Oh – Ryan Cho – Jennifer Tam Dorsal Simu
Hayt, Teri, Managing Editor has reference to this Academic Journal, PHwiki organized this Journal Chapter 4: Spontaneous Morphing Heather Oh – Ryan Cho – Jennifer Tam Dorsal Simultanagnosia What exactly is a part
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– Transversal Intersection: -at points where the two objects join together(intersect) Concave creases- sharp edges in the surface that point into the object Convex creases- sharp edges in the surface that point out of the object Rule 14. Rule of concave c
-Surface Normals: -Positive -Negative -Zero MOBIUS STRIP Main Points: -Surface normals in addition to its connection to concave in addition to convex creases. Where do they point -Bubble out of water vs. Bubble inside of water -What do we really pay atten
Principal Curvatures: Positive, Negative, or zero. Figure & Ground If the normals point outward, then the principal curvature is positive. If the normals point inward, then the principal curvature is negative. When the crease has been smoothed, the crease turns into a point of high curvature.
Subjective in addition to Selective Attention -Rule 15. Minima Rule: Divide shapes into parts at negative minima, along lines of curvature, of the principle curvatures. -Examples: Fusilli Pasta Keys The Ripple Ripple Silhouettes Rule 16. Minima rule as long as silhouettes: Divide silhouettes into parts at concave cusps in addition to negative minima of curvature. Examples:
Face & Goblet Similarity Symmetry vs. Repetition -Point 1: Repetition should be easier to recognize because it is the exact same thing (object or image), just repeated. (the corresponding parts are always equally spaced apart) -Point 2: According to the minima rule, symmetry is easier to see because the curves repeat at the same point in addition to the curvatures of the first object match the second figure.
Rabbit-Duck The minima rule predicts that you should more easily recognize the objects on the right than on the left because Questions we ask ourselves -What do we notice more -What should we divide Example: Cooking Rule 17: The Salience of a cusp boundary increases with increasing sharpness of the angle at the cusp. Rule 18: The salience of a smooth boundary increases with the magnitude of normalized curvatures at the boundary.
Rule 19. Salient boundaries: Choose figure in addition to ground so that figure has the more salient part boundaries. Rule 20: Salient Parts Choose figure in addition to ground so that figure has the more salient parts. The recognizable difference between the figure in addition to ground of objects is crucial as long as every day survival in addition to decision making. Without underst in addition to ing simple tasks such as picking up the butcher knife by the h in addition to le as opposed to the blade, would result in unpleasant consequences.
Bibliography Hoffman, Dr. Donald D. Visual Intelligence: How we create what we see. 1998. W.W. Norton in addition to Company, Inc. United States of America. Jongen, Hubertus Th., Jonker, Peter, Twilt, Frank. Nonlinear Optimization in Finite Dimensions: Morse Theory, Chebyshev Approximation, Transversality, Flows, Parametric Aspects. 2000. Kluwer Academic Publishers. Netherl in addition to s. Also, we used images downloaded from www.google.com in addition to www.yahoo.com
Hayt, Teri Managing Editor
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