Authors: Žunić, Joviša 
Title: Boundary based orientation of polygonal shapes
Journal: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume: 4319 LNCS
First page: 108
Last page: 117
Conference: 1st Pacific Rim Symposium on Image and Video Technology, PSIVT 2006; Hsinchu; Taiwan; 10 December 2006 through 13 December 2006
Issue Date: 1-Dec-2006
Rank: M23
ISBN: 978-3-540-68297-X
ISSN: 0302-9743
DOI: 10.1007/11949534_11
The computation of a shape's orientation is a common task in many areas of computer vision and image processing applications. It is usually an initial step or a part of data preprocessing. There are several approaches to the problem - most of them could be understood as the 'area based' ones. In spite of many unavoidable problems where working with shape boundaries in discrete space, the demand for a pure 'boundary based' method, seems to be very reasonable. Such a method for shapes having polygonal boundaries is presented in this paper. We define the shape orientation by the line that maximises the total sum of squared lengths of projections of all the shape boundary edges onto this line. Advantages and disadvantages of the method are discussed.
Keywords: Early vision | Image processing | Orientation | Shape
Publisher: Springer Link

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