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Fábio José Ayres
at Univ of Calgary
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Publications (6)
SPIE Journal Paper | 1 April 2008
Detection of blood vessels in the retina with multiscale Gabor filters
Rangaraj Rangayyan, Fábio Ayres, Faraz Oloumi, Foad Oloumi, Peyman Eshghzadeh-Zanjani
JEI, Vol. 17, Issue 02, 023018, (April 2008) https://doi.org/10.1117/12.10.1117/1.2907209
KEYWORDS: Blood vessels, Image filtering, Retina, Databases, Image segmentation, Gaussian filters, Digital imaging, Image processing, Optical filters, Digital filtering
Proceedings Article | 17 March 2008 Paper
Detection of architectural distortion in mammograms acquired prior to the detection of breast cancer using texture and fractal analysis
Shormistha Prajna, Rangaraj Rangayyan, Fábio Ayres, J. E. Leo Desautels
Proceedings Volume 6915, 691529 (2008) https://doi.org/10.1117/12.767669
KEYWORDS: Architectural distortion, Mammography, Breast cancer, Fractal analysis, Breast, Cancer, Computer aided diagnosis and therapy, Image filtering, Image analysis, Tissues
SPIE Journal Paper | 1 April 2007
Design and performance analysis of oriented feature detectors
Fabio Ayres, Rangaraj Rangayyan
JEI, Vol. 16, Issue 02, 023007, (April 2007) https://doi.org/10.1117/12.10.1117/1.2728751
KEYWORDS: Sensors, Image filtering, Gaussian filters, Linear filtering, Image segmentation, Mammography, Image analysis, Bandpass filters, Image processing, Digital filtering
Proceedings Article | 16 February 2006 Paper
Optimization procedures for the estimation of phase portrait parameters of orientation fields
Fábio Ayres, Rangaraj Rangayyan
Proceedings Volume 6064, 606407 (2006) https://doi.org/10.1117/12.644852
KEYWORDS: Algorithms, Optimization (mathematics), Error analysis, Differential equations, Image analysis, Volume rendering, Electrical engineering, Computer engineering, Dynamical systems, Matrices
Proceedings Article | 28 May 2004 Paper
An iterative linear algorithm for the analysis of oriented patterns
Fabio Ayres, Rangaraj Rangayyan
Proceedings Volume 5298, (2004) https://doi.org/10.1117/12.527199
KEYWORDS: Electroluminescent displays, Signal to noise ratio, Error analysis, Algorithm development, Architectural distortion, Mammography, Visualization, Analytical research, Computer engineering, Image analysis
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