Shape Recognition by Computer U_

TL;DR: In order to speed up several picture processing operations, including edge detection, a “pyramid” (hierarchy of fine to coarse resolution versions of a picture) is produced because of the low spatial frequencies preserved in coarse pictures.

TL;DR: Experimental results prove the feasibility of the proposed approach for general shape recognition using attributed string matching with merging with some possible extensions of the approach also included.

TL;DR: In this paper, a new structural approach to shape recognition using attributed string matching with merging is proposed, where each attributed string is an ordered sequence of shape boundary primi- tives, each representing abasic boundary structural unit, line segment, with twootypes of numerical attributes, length and direction.