Dr. Siamak Yousefi Profile

Dr. Siamak Yousefi

Postdoctoral Fellow at Univ of California at San Diego

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Publications (3)

Proceedings Article | 21 March 2016 Paper

Luminosity and contrast normalization in color retinal images based on standard reference image

Ehsan S. Varnousfaderani, Siamak Yousefi, Akram Belghith, Michael Goldbaum

Proceedings Volume 9784, 97843N (2016) https://doi.org/10.1117/12.2217131

KEYWORDS: Convolutional neural networks, Image processing, Image contrast enhancement, Pathology, Image restoration, Image enhancement, Machine vision, Computer vision technology, Visualization, Retina, RGB color model, Machine learning, Image segmentation, Lanthanum

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SPIE Journal Paper | 29 December 2014

Optimization method to reduce blocking artifacts in JPEG images

Reza Pourreza-Shahri, Siamak Yousefi, Nasser Kehtarnavaz

JEI, Vol. 23, Issue 06, 063023, (December 2014) https://doi.org/10.1117/12.10.1117/1.JEI.23.6.063023

KEYWORDS: Image compression, Video coding, Matrices, Signal to noise ratio, Image segmentation, Visualization, Visibility, Quantization, Optimization (mathematics), Visual compression

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Proceedings Article | 21 March 2014 Paper

Recognizing patterns of visual field loss using unsupervised machine learning

Siamak Yousefi, Michael Goldbaum, Linda Zangwill, Felipe Medeiros, Christopher Bowd

Proceedings Volume 9034, 90342M (2014) https://doi.org/10.1117/12.2043145

KEYWORDS: Visualization, Data modeling, Principal component analysis, Eye models, Visual process modeling, Machine learning, Mathematical modeling, Expectation maximization algorithms, Second-harmonic generation, Eye

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