Prof. Juan Luis Nieves
Associate Professor at Univ de Granada
SPIE Involvement:
Author
Area of Expertise:
Color , Color imaging , Multispectral imaging , Computational color vision
Websites:
Profile Summary

At present my research revolves around computational color vision (color constancy, human visual system processing of spatio-chromatic information), and spectral analysis of color images (including spectral analysis of reflectances and illuminants).

Alongside these topics, the main research interests are:
1) Multispectral estimation of spectral reflectances and spectral power distribution of illuminants using an RGB and/or a monochrome digital camera.
2) Design and optimization of optimal sensors in multispectral systems for recovering, recognizing and identifying both natural and artificial illuminants.
3) Object identification algorithms invariant to illuminant changes.
4) Computational optical color correlation for object detection and recognition.
5) Computational models and algorithms in color vision (color constancy and color and spatial information processing by the human visual system).

I belong to the Color Imaging Lab at the University of Granada (Spain). Apart from the above researh interests, as a group we still continue with experimental work into the Colorimetry and Color Vision by making regular contributions to subjects concerning spatial vision, color constancy, sky color measurements and so on.

In the field of teaching we are involved in doctoral programmes, courses and other activities related to color imaging. We have also helped to organize several functions including the 10th Congress of the International Colour Association, AIC Colour 05 (8 to 13 May 2005).
Publications (8)

SPIE Journal Paper | 31 March 2014
Jose Medina, Jose Diaz, Eva Valero, Juan Luis Nieves, Peter Vukusic
OE, Vol. 53, Issue 03, 033111, (March 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.3.033111
KEYWORDS: Reflectivity, Multispectral imaging, Bidirectional reflectance transmission function, Principal component analysis, Optical engineering, Visible radiation, Scanning electron microscopy, Sensors, CCD cameras, Optical imaging

Proceedings Article | 28 February 2012 Paper
Timo Eckhard, Eva Valero, Juan Nieves, José Gallegos-Rueda, Francisco Mesa
Proceedings Volume 8215, 82150O (2012) https://doi.org/10.1117/12.907408
KEYWORDS: Image segmentation, Teeth, Light emitting diodes, Image processing, Image analysis, Visualization, Inflammation, Image acquisition, Digital imaging, Cameras

SPIE Journal Paper | 6 February 2012
Juan Luis Nieves, Clara Plata, Eva Valero, Javier Romero
OE, Vol. 51, Issue 1, 013201, (February 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.1.013201
KEYWORDS: RGB color model, Calibration, Digital cameras, Cameras, Light sources and illumination, Reflectivity, Sensors, Optical engineering, Computer simulations, Light

Proceedings Article | 2 February 2012 Paper
Aida Rodríguez, Juan Luis Nieves, Eva Valero, Estíbaliz Garrote, Javier Hernández-Andrés, Javier Romero
Proceedings Volume 8300, 83000J (2012) https://doi.org/10.1117/12.909081
KEYWORDS: Image segmentation, Hyperspectral imaging, Reflectivity, Imaging systems, Fuzzy logic, Prototyping, Image filtering, Fiber Bragg gratings, Image processing algorithms and systems, Data acquisition

Proceedings Article | 17 January 2006 Paper
M. López-Álvarez, J. Hernández Andrés, J. Nieves, J. Romero
Proceedings Volume 6062, 606209 (2006) https://doi.org/10.1117/12.642283
KEYWORDS: Sensors, Signal to noise ratio, Imaging systems, Principal component analysis, Multispectral imaging, Algorithms, Imaging spectroscopy, Reconstruction algorithms, Cameras, Image sensors

Showing 5 of 8 publications
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