Dr. Joaquin Fdez-Valdivia Profile

Dr. Joaquin Fdez-Valdivia

at Univ de Granada

SPIE Involvement:

Author

Publications (19)

SPIE Journal Paper | 1 April 2008

Steady growth of encoding efficiency in progressive transmission

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 47, Issue 04, 047001, (April 2008) https://doi.org/10.1117/12.10.1117/1.2904824

KEYWORDS: Computer programming, Optical engineering, Visualization, Laser induced plasma spectroscopy, Lithium, Wavelets, Satellites, Satellite imaging, Image transmission, Biomedical optics

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SPIE Journal Paper | 1 November 2007

Bit-saving path for progressive transmission

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia, Javier Martinez-Baena

OE, Vol. 46, Issue 11, 117001, (November 2007) https://doi.org/10.1117/12.10.1117/1.2802151

KEYWORDS: Image compression, Visualization, Optical engineering, Image transmission, Image quality, Wavelets, Switches, Distortion, Algorithm development, Detection and tracking algorithms

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SPIE Journal Paper | 1 October 2007

Automatic and optimal hierarchical quantizer decomposition to build knowledge for video transmission

Rosa Rodriguez-Sanchez, Jose Garcia, Joaquin Fdez-Valdivia, A. Garrido

OE, Vol. 46, Issue 10, 107402, (October 2007) https://doi.org/10.1117/12.10.1117/1.2799092

KEYWORDS: Wavelets, Video, Visualization, Optical engineering, Video coding, Video compression, Cameras, Distortion, Wavelet transforms, Transform theory

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SPIE Journal Paper | 1 April 2007

Optimal exploratory effort to build knowledge for video transmission

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 46, Issue 04, 047401, (April 2007) https://doi.org/10.1117/12.10.1117/1.2727247

KEYWORDS: Visualization, Information visualization, Video, Wavelets, Optical engineering, Computer programming, Target detection, Distortion, Video coding, Wavelet transforms

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SPIE Journal Paper | 1 March 2007 Open Access

Dynamics of low-cost transmission on the optimal path

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 46, Issue 03, 030503, (March 2007) https://doi.org/10.1117/12.10.1117/1.2717132

KEYWORDS: Visualization, Information visualization, Distortion, Optical engineering, Control systems, Differential equations, Computer programming

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SPIE Journal Paper | 1 December 2006

Theory of bit allocation analysis

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 45, Issue 12, 127401, (December 2006) https://doi.org/10.1117/12.10.1117/1.2402496

KEYWORDS: 3D acquisition, Visualization, Optical engineering, Distortion, Target detection, Motion analysis, Video, Wavelets, Optimization (mathematics), Computing systems

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SPIE Journal Paper | 1 March 2006

Very low bit rate video coding of moving targets

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia, Javier Martinez-Baena

OE, Vol. 45, Issue 03, 037401, (March 2006) https://doi.org/10.1117/12.10.1117/1.2184314

KEYWORDS: Video coding, Wavelets, Computer programming, Low bit rate video, Video, Optical engineering, Target detection, Cameras, Video compression, Target acquisition

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SPIE Journal Paper | 1 August 2005

Power of a wavelet coefficient in progressive image transmission

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia, Javier Martinez-Baena

OE, Vol. 44, Issue 08, 087004, (August 2005) https://doi.org/10.1117/12.10.1117/1.2009687

KEYWORDS: Wavelets, Image transmission, Optical engineering, Wavelet transforms, Image compression, Optimization (mathematics), Computer programming, Image restoration, Spatial resolution, Matrices

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SPIE Journal Paper | 1 June 2005

Emergence of a region-based approach to image transmission

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 44, Issue 06, 067004, (June 2005) https://doi.org/10.1117/12.10.1117/1.1928268

KEYWORDS: Image transmission, Image compression, Wavelets, Control systems, Optical engineering, Image quality, Quantization, Wavelet transforms, Distortion, Head

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SPIE Journal Paper | 1 September 2004

Justice in quantizer formation for rational progressive transmission

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 43, Issue 09, (September 2004) https://doi.org/10.1117/12.10.1117/1.1780544

KEYWORDS: Wavelets, Visualization, Image compression, Optical engineering, Image transmission, Image quality, Tolerancing, Information visualization, Algorithm development, Image analysis

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SPIE Press Book | 22 July 2004

Progressive Image Transmission: The Role of Rationality, Cooperation, and Justice

Jose García, Rosa Rodriguez-Sánchez, Joaquín Fdez-Valdivia

KEYWORDS: Image compression, Visualization, Wavelets, Image transmission, Image quality, Distortion, Image processing, Tolerancing, Lithium, JPEG2000

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Progressive Image Transmission: The Role of Rationality, Cooperation, and Justice

SPIE Journal Paper | 1 March 2004

Embedded coder for providing better image quality at very low bit rates

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia

OE, Vol. 43, Issue 03, (March 2004) https://doi.org/10.1117/12.10.1117/1.1646176

KEYWORDS: Image quality, Image compression, Visualization, Tolerancing, Distortion, Optical engineering, Image transmission, Wavelets, Databases, Error analysis

SPIE Journal Paper | 1 November 2003

Self-control of quantizer risk attitude in rational embedded wavelet image coding

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fdez-Valdivia DUPLICATE RECORD - Do Not, Javier Martinez

OE, Vol. 42, Issue 11, (November 2003) https://doi.org/10.1117/12.10.1117/1.1615989

KEYWORDS: JPEG2000, Image compression, Visualization, Optical engineering, Image transmission, Image quality, Distortion, Wavelets, Internet, Data modeling

SPIE Journal Paper | 1 April 2003

CORAL: collective rationality for the allocation of bits

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fernandez-Valdivia, Xose Fernandez-Vidal

OE, Vol. 42, Issue 04, (April 2003) https://doi.org/10.1117/12.10.1117/1.1558085

KEYWORDS: Image compression, Visualization, JPEG2000, Image segmentation, Image filtering, Optical engineering, Laser induced plasma spectroscopy, Lithium, Wavelets, Image quality

SPIE Journal Paper | 1 September 2002

Rational systems with moderate risk aversion with respect to "gambles" on variable-resolution compression

Jose Garcia, Rosa Rodriguez-Sanchez, Joaquin Fernandez-Valdivia, Xose Fernandez-Vidal

OE, Vol. 41, Issue 09, (September 2002) https://doi.org/10.1117/12.10.1117/1.1496789

KEYWORDS: Image compression, Optical engineering, Visualization, Distortion, Laser induced plasma spectroscopy, Lithium, Computer programming, Image transmission, Wavelets, Binary data

SPIE Journal Paper | 1 September 2001

Minimum error gain for predicting visual target distinctness

Jose Garcia, Joaquin Fernandez-Valdivia, Xose Fernandez-Vidal, Rosa Rodriguez-Sanchez, Jose Fuertes

OE, Vol. 40, Issue 09, (September 2001) https://doi.org/10.1117/12.10.1117/1.1389064

KEYWORDS: Zinc, Visualization, Error analysis, Optical engineering, Magnetoencephalography, Target detection, Visual process modeling, Image filtering, Digital imaging, Fractal analysis

SPIE Press Book | 8 February 2001

Computational Models for Predicting Visual Target Distinctness

Jose Garcia, Joaquin Fdez-Valdivia, Xose Fernandez-Vidal, Rosa Rodriguez-Sanchez

KEYWORDS: Visualization, Image filtering, Visual process modeling, Sensors, Target detection, Image processing, Digital imaging, Distortion, Image sensors, Signal to noise ratio

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Computational Models for Predicting Visual Target Distinctness

SPIE Journal Paper | 1 February 2000

Defining the notion of visual pattern for predicting visual target distinctness in a complex rural background

Xose Fernandez-Vidal, Jose Garcia, Joaquin Fdez-Valdivia-DUPE RECORD-DO NOT USE, Rosa Rodriguez-Sanchez

OE, Vol. 39, Issue 02, (February 2000) https://doi.org/10.1117/12.10.1117/1.602380

KEYWORDS: Visualization, Image filtering, Visual process modeling, Optical filters, Palladium, Optical engineering, Data modeling, Target detection, Distance measurement, Sensors

SPIE Journal Paper | 1 January 2000

Computing visual target distinctness through selective filtering, statistical features, and visual patterns

Xose Fernandez-Vidal, Alexander Toet, Jose Garcia, Joaquin Fdez-Valdivia-DUPE RECORD-DO NOT USE

OE, Vol. 39, Issue 01, (January 2000) https://doi.org/10.1117/12.10.1117/1.602360

KEYWORDS: Visualization, Image filtering, Target detection, Visual process modeling, Optical filters, Optical engineering, Digital imaging, Image processing, Gaussian filters, Distance measurement

Showing 5 of 19 publications

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