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Feature detection using oriented local energy for 3D confocal microscope images

  • Chris Pudney
  • Peter Kovesi
  • Ben Robbins
Session IA2a — 3-D Image Analysis
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1024)

Abstract

The ability to detect features within confocal microscope images is important for the interpretation and analysis of such data. Most detectors are gradient-based, and so are sensitive to noise, and fail to accurately locate some feature types that are important in confocal microscopy. The local energy feature detector developed by Morrone and Owens marks locations where there is maximal congruence of phase in the Fourier components of an image. Points of maximal phase congruency occur at all common feature types: step and roof edges, line features and Mach bands. A 3D implementation of the local energy feature detector, suitable for confocal microscope data, is presented. The detector computes local energy by convolving an image with oriented pairs of 3D filters that are 3D versions of Morlet wavelets. To increase the speed of the convolution, the filters are designed in frequency-space and multiplied by the image's Fourier transform. Results are presented for real confocal images and a synthetic 3D image volume. These results are compared with those from a 3D implementation of the Sobel edge detector.

Keywords

Local Energy Synthetic Image Morlet Wavelet Confocal Microscope Image Phase Congruency 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Chris Pudney
    • 1
  • Peter Kovesi
    • 2
  • Ben Robbins
    • 2
  1. 1.Biomedical Confocal Microscopy Research Centre, Department of PharmacologyThe University of Western AustraliaNedlands
  2. 2.Robotics and Vision Research Group, Department of Computer ScienceThe University of Western AustraliaNedlands

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