Geometric feature descriptor and dissimilarity-based registration of remotely sensed imagery

Seyed M.M. Kahaki, Haslina Arshad, Md. Jan Nordin, Waidah Ismail

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Image registration of remotely sensed imagery is challenging, as complex deformations are common. Different deformations, such as affine and homogenous transformation, combined with multimodal data capturing can emerge in the data acquisition process. These effects, when combined, tend to compromise the performance of the currently available registration methods. A new image transform, known as geometric mean projection transform, is introduced in this work. As it is deformation invariant, it can be employed as a feature descriptor, whereby it analyzes the functions of all vertical and horizontal signals in local areas of the image. Moreover, an invariant feature correspondence method is proposed as a point matching algorithm, which incorporates new descriptor’s dissimilarity metric. Considering the image as a signal, the proposed approach utilizes a square Eigenvector correlation (SEC) based on the Eigenvector properties. In our experiments on standard test images sourced from “Featurespace” and “IKONOS” datasets, the proposed method achieved higher average accuracy relative to that obtained from other state of the art image registration techniques. The accuracy of the proposed method was assessed using six standard evaluation metrics. Furthermore, statistical analyses, including t-test and Friedman test, demonstrate that the method developed as a part of this study is superior to the existing methods.

Original languageEnglish
Article numbere0200676
JournalPLoS One
Volume13
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

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Imagery (Psychotherapy)
Image registration
Eigenvalues and eigenfunctions
Data acquisition
methodology
Experiments
testing

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Geometric feature descriptor and dissimilarity-based registration of remotely sensed imagery. / Kahaki, Seyed M.M.; Arshad, Haslina; Nordin, Md. Jan; Ismail, Waidah.

In: PLoS One, Vol. 13, No. 7, e0200676, 01.07.2018.

Research output: Contribution to journalArticle

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