Edge Detection in Digital Images Using Dispersive Phase Stretch Transform-Reference-Cited by-同舟云学术

Edge Detection in Digital Images Using Dispersive Phase Stretch Transform

Published:2015 Issue: Volume:2015 Page:1-6
ISSN:1687-4188
Container-title:International Journal of Biomedical Imaging
language:en
Short-container-title:International Journal of Biomedical Imaging

Author:

Asghari Mohammad H.¹,Jalali Bahram¹²³

Affiliation:

1. Department of Electrical Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA

2. Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA

3. Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA

Abstract

We describe a new computational approach to edge detection and its application to biomedical images. Our digital algorithm transforms the image by emulating the propagation of light through a physical medium with specific warped diffractive property. We show that the output phase of the transform reveals transitions in image intensity and can be used for edge detection.

Publisher

Hindawi Limited

Subject

Radiology, Nuclear Medicine and imaging

Link

http://downloads.hindawi.com/journals/ijbi/2015/687819.pdf

Reference5 articles.

1. Theory of edge detection

2. Discrete Anamorphic Transform for Image Compression

3. Photonic time-stretched analog-to-digital converter: fundamental concepts and practical considerations

4. Dispersive Fourier transformation for fast continuous single-shot measurements

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