Acta Stereologica

0351-580X

 

ya que 05 diciembre 2013 :
Vista(s): 236 (1 ULiège)
Descargar(s): 109 (2 ULiège)
print        
Siegfried Eins

Curvature of lines in digitized images

(Volume 9 (1990) — Number 2 - Proceedings of the seventh workshop on quantitative image analysis - Freiburg 90 - Dec. 1990)
Article
Open Access

Documento adjunto(s)

Anexidades

Abstract

A shape descriptor has been developed for linear objects, which may be used to describe the deviation of a curved line from a straight one. The features required for this parameter are high invariance for orientation, translation, and scale, particularly in the discrete 2-dimensional space of digitized images. To that end, the impact of the single raster points of the image (pixels) on the computed shape parameter must be reduced. Only a robust but sensitive measurement of curvature can be successfully used to correlate this parameter with other properties belonging to linear objects. As a rule, commercially available image analyzers offer some formfactors, which do not accomplish this function well enough. A possible field of application is the study of cortical infolding (gyration) in relation to cytoarchitectonics in neuroanatomy.

Keywords : cerebral cortex, curvature, gyration, image analysis, linear objects, shape

Para citar este artículo

Siegfried Eins, «Curvature of lines in digitized images», Acta Stereologica [En ligne], Volume 9 (1990), Number 2 - Proceedings of the seventh workshop on quantitative image analysis - Freiburg 90 - Dec. 1990, 183-188 URL : https://popups.uliege.be/0351-580x/index.php?id=2867.

Acerca de: Siegfried Eins

Anatomisches Institut, Kreuzbergring 36, D 3400 Göttingen, Germany