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Image Analysis using Soft Histograms

Per-Erik Forssén
SSAB01, Norrköping
Proceedings of the SSAB Symposium on Image Analysis
Pages 109-112
March 2001


This paper advocates the use of overlapping bins in histogram creation. It is shown how conventional histogram creation has an inherent quantisation that cause errors much like those in sampling with insufficient band limitation. The use of overlapping bins is shown to be the deterministic equivalent to dithering. Two applications of soft histograms are shown: Improved peak localisation in an estimated probability density function (PDF) without requiring more samples, and accurate estimation of image rotation.

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Bibtex entry

  author = 	 {Per-Erik Forss\'en},
  title = 	 {Image Analysis using Soft Histograms},
  booktitle = 	 {Proceedings of the {SSAB} Symposium on Image Analysis},
  pages =	 {109--112},
  year =	 {2001},
  address =	 {Norrk{\"o}ping},
  month =	 {March},
  organization = {SSAB}

Per-Erik Forssén

Per-Erik Forssén


Computer Vision Laboratory
Department of Electrical Engineering
Building B
Room 2D:521
SE-581 83 Linköping, Sweden
+46(0)13 285654

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