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Proceedings Paper

Simple, general, and mathematically tractable way to sense depth in a single image
Author(s): Akbar R. Saadat; Hamid Fahimi
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Paper Abstract

Depth from defocus methods are based on the relation between depth and the amount of defocus at each image point. Choosing a proper model for defocusing operator and extracting its parameter is the main idea in this method. Generally defocusing operator can be modeled as a linear, circularly symmetric, low pass, and space variant filter. In the proposed method filter's bandwidth is used as a measure of depth. The importance of the method is the introduction of a simple procedure for extracting the filter's bandwidth, which has a well founded mathematical tractability. No preassumption about the shape of the filter is required and a simple and efficient way to obtain the measure of depth is presented. Experimental results of applying the proposed measure on synthetic and real images indicate its high capability of resolving depth in a single image.

Paper Details

Date Published: 22 August 1995
PDF: 9 pages
Proc. SPIE 2564, Applications of Digital Image Processing XVIII, (22 August 1995); doi: 10.1117/12.217419
Show Author Affiliations
Akbar R. Saadat, Sharif Univ. of Technology (Iran)
Hamid Fahimi, Sharif Univ. of Technology (Iran)


Published in SPIE Proceedings Vol. 2564:
Applications of Digital Image Processing XVIII
Andrew G. Tescher, Editor(s)

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