the limbs and cusp points, (2) project the hound aries and limbs to find the contours and all the T-junctions and (3) ... and let P with object coordinates (X, Y, Z) be a point on a limb on the surface 5 defined by the implicit equation f(X, Y, Z) = 0. ... Since the perspective projection of a straight line is another straight line, and the perspective projection of a conic is ... They define the quantitative invisibility of a point as the number of relevant faces that lie between the point and the camera.
|Title||:||Workshop on Directions in Automated CAD-based Vision, Maui, Hawaii, June 2-3, 1991|
|Author||:||Institute of Electrical and Electronics Engineers, PAMI Technical Committee|
|Publisher||:||IEEE Computer Society - 1991|