Adaptive Harris Corner Detector Evaluated with Cross-Spectral Images

  • Patricia L. Suárez
  • Angel D. Sappa
  • Boris X. Vintimilla
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 721)


This paper proposes a novel approach to use cross-spectral images to achieve a better performance with the proposed Adaptive Harris corner detector comparing its obtained results with those achieved with images of the visible spectra. The images of urban, field, old-building and country category were used for the experiments, given the variety of the textures present in these images, with which the complexity of the proposal is much more challenging for its verification. It is a new scope, which means improving the detection of characteristic points using cross-spectral images (NIR, G, B) and applying pruning techniques, the combination of channels for this fusion is the one that generates the largest variance based on the intensity of the merged pixels, therefore, it is that which maximizes the entropy in the resulting Cross-spectral images.

Harris is one of the most widely used corner detection algorithm, so any improvement in its efficiency is an important contribution in the field of computer vision. The experiments conclude that the inclusion of a (NIR) channel in the image as a result of the combination of the spectra, greatly improves the corner detection due to better entropy of the resulting image after the fusion, Therefore the fusion process applied to the images improves the results obtained in subsequent processes such as identification of objects or patterns, classification and/or segmentation.


Near Infrared Cross-spectral Visible spectra Pixel Fusion Pruning 



This work has been partially supported by the ESPOL under projects PRAIM and KISHWAR.


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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Patricia L. Suárez
    • 1
  • Angel D. Sappa
    • 1
    • 2
  • Boris X. Vintimilla
    • 1
  1. 1.Facultad de Ingeniería en Electricidad y Computacíon, CIDISEscuela Superior Politécnica del Litoral, ESPOLGuayaquilEcuador
  2. 2.Computer Vision CenterBarcelonaSpain

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