A novel approach for the registration of weak affine images

  • Authors:
  • Dong Li;Yunhua Zhang

  • Affiliations:
  • Key Laboratory of Microwave Remote Sensing, Center for Space Science and Applied Research, Chinese Academy of Sciences, No.1 Nanertiao, Zhongguancun, Haidian district, Beijing 100190, China;Key Laboratory of Microwave Remote Sensing, Center for Space Science and Applied Research, Chinese Academy of Sciences, No.1 Nanertiao, Zhongguancun, Haidian district, Beijing 100190, China

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2012

Quantified Score

Hi-index 0.10

Visualization

Abstract

A novel image registration scheme is devised in view of the weak affine transformation, which is a kind of similarity transformation with anisotropic scales or affine transformation without shearing. Two robust algorithms are proposed to retrieve the registration parameters from the error-prone initial correspondences based on the fast least trimmed squares (Fast-LTS) and the random sample consensus (RANSAC). In terms of several criteria, the algorithms are evaluated on three carefully selected datasets from different sensors and the experimental results demonstrate that the proposed scheme and algorithms perform robustly and accurately. Our findings also indicate that the Fast-LTS-based algorithm is more stable and appropriate for image registration than the RANSAC-based algorithm although the speed is slower.