Titlebook: BMVC91; Proceedings of the B Peter Mowforth (Director) Conference proceedings 1991 Springer-Verlag London Limited 1991 3D.Hough transform.S

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秘方药

Properties of Local Geometric Constraints,ndependent variables (five if scale is included). The formalism leads to a language for defining local geometric constraints and describing their properties. This terminology allows us to establish a criterion for evaluating the quality of a constraint set. Finally, a 2D constraint set is described

内向者

,Texture Boundary Detection — A Structural Approach,xtract useful texture elements, especially from natural images in which texture elements exist at various scales. To extract texture elements of all sizes a multiscale approach is unavoidable. This paper describes a multiscale method, based on measurements in a Laplacian-of-Gaussian scale-space, to

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PRE

Low-level Grouping of Straight Line Segments, which all higher level groupings may be derived. Additionally, each low-level grouping is associated with a “Quality” factor, based on evidential reasoning, which reflects how much the groupings differ from mathematically perfect ones. This formalism has been incorporated into algorithms within the

Legion

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surmount

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forbid

A Trainable Method of Parametric Shape Description, a compact parametric description of variability. We have applied the method to a family of flexible ribbons (worms) and to heart shapes in echocardiograms. We show that in both cases a natural parameterisation of shape results.