Local Patch Dissimilarity for Images

  • Liviu Petrisor Dinu
  • Radu-Tudor Ionescu
  • Marius Popescu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7663)

Abstract

This paper aims to introduce a new distance measure for images, called Local Patch Dissimilarity. This new distance measure is inspired from rank distance which is a distance measure for strings.

The distance measure introduced in this paper is based on patches. There are many other patch-based techniques used in image processing. Patches contain contextual information and have advantages in terms of generalization.

An algorithm that computes the Local Patch Dissimilarity between two images is presented in this work. Experiments show that the extension of rank distance to images has very good results in image classification, more precisely in handwritten digit recognition.

Keywords

Image distance Image dissimilarity Image classification Handwritten digit recognition Patches Patch-based technique 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Liviu Petrisor Dinu
    • 1
  • Radu-Tudor Ionescu
    • 1
  • Marius Popescu
    • 1
  1. 1.Faculty of Mathematics and Computer ScienceUniversity of BucharestBucharestRomania

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