Dr. Víctor H. Diaz-Ramirez Profile

Dr. Víctor H. Diaz-Ramirez

at Instituto Politécnico Nacional - CITEDI

SPIE Involvement:

Publications (51)

SPIE Conference Volume | October 3, 2017

Optics and Photonics for Information Processing XI

PROCEEDINGS ARTICLE | September 29, 2017

Dynamic vehicle guidance by B-spline curves (Conference Presentation)

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Computer vision technology, Machine vision, Prototyping, Onboard cameras, Algorithms

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PROCEEDINGS ARTICLE | September 19, 2017

Accurate generation of the 3D map of environment with a RGB-D camera

Proc. SPIE. 10396, Applications of Digital Image Processing XL

KEYWORDS: Optical filters, Detection and tracking algorithms, Visualization, Imaging systems, Cameras, Sensors, Digital filtering, Composites, Robotics, 3D modeling, Image registration, Image filtering

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PROCEEDINGS ARTICLE | August 24, 2017

Restoration of degraded images using stereo vision

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Image processing, Image restoration, Computer simulations, Stereoscopic cameras, Image retrieval, 3D image processing

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PROCEEDINGS ARTICLE | August 24, 2017

Ronchigrams of parabolic concave mirrors by inverse ray-tracing

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Mirrors, Fringe analysis, Computer programming, Wavefront analysis, Ray tracing, Ronchi rulings

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PROCEEDINGS ARTICLE | August 24, 2017

Phase demodulation for digital fringe projection profilometry: a review

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Fringe analysis, Image processing, Demodulation, Profilometers, Projection systems, Digital optical processing, Phase shifts

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PROCEEDINGS ARTICLE | August 24, 2017

On the use of video projectors for three-dimensional scanning

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Calibration, Projection systems, 3D scanning

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PROCEEDINGS ARTICLE | August 24, 2017

Visual environment recognition for robot path planning using template matched filters

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Visualization, Robotics, Computing systems, Computer simulations, Computer vision technology, Navigation systems, Machine vision, Mobile robots, Defense technologies, Robot vision

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PROCEEDINGS ARTICLE | August 24, 2017

Template-matched filtering for automatic object segmentation in real-life scenes

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Target detection, Image segmentation, Image processing, Video, Digital filtering, Feature extraction, Video surveillance, Computer vision technology, Machine vision, Target recognition

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PROCEEDINGS ARTICLE | August 24, 2017

Restoration of motion blurred images

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Image processing, Image restoration, Image analysis

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PROCEEDINGS ARTICLE | August 24, 2017

Adaptive noise filtering of sinusoidal signals with unknown nonlinear phase

Proc. SPIE. 10395, Optics and Photonics for Information Processing XI

KEYWORDS: Fringe analysis, Digital filtering, Interference (communication), Electronic filtering, Nonlinear filtering

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SPIE Journal Paper | July 27, 2017

Operator-based homogeneous coordinates: application in camera document scanning

Juarez-Salazar, Rigoberto , Díaz-Ramírez, Victor

OE Vol. 56 Issue 07

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SPIE Journal Paper | January 25, 2017

Estimation of amplitude and standard deviation of noisy sinusoidal signals

Juarez-Salazar, Rigoberto , Diaz-Ramirez, Victor H.

OE Vol. 56 Issue 01

KEYWORDS: Fringe analysis, Error analysis, Interference (communication), Signal processing, Optical engineering, Computer simulations, Video, Statistical modeling, Software, Statistical analysis

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PROCEEDINGS ARTICLE | September 28, 2016

Facial landmark detection in real-time with correlation filtering

Proc. SPIE. 9971, Applications of Digital Image Processing XXXIX

KEYWORDS: Target detection, Biometrics, Detection and tracking algorithms, Graphics processing units, Image processing, Composites, Fourier transforms, Computer simulations, Image filtering, Biological research

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PROCEEDINGS ARTICLE | September 28, 2016

An efficient algorithm for matching of SLAM video sequences

Proc. SPIE. 9971, Applications of Digital Image Processing XXXIX

KEYWORDS: Optical filters, Detection and tracking algorithms, Visualization, Imaging systems, Cameras, Sensors, Video, Composites, Image sensors, Image filtering

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PROCEEDINGS ARTICLE | September 14, 2016

Speech enhancement using local spectral regularization

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Signal to noise ratio, Statistical analysis, Synthetic aperture radar, Denoising, Composites, Interference (communication), Distortion, Computer simulations, Signal processing, Mars

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PROCEEDINGS ARTICLE | September 14, 2016

Pose detection of a 3D object using template matched filtering

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Target detection, Genetic algorithms, 3D acquisition, Detection and tracking algorithms, Image processing, Fourier transforms, 3D modeling, Object recognition, Target recognition, 3D image processing

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PROCEEDINGS ARTICLE | September 14, 2016

Restoration of degraded images using genetic programming

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Software, Genetic algorithms, Image processing, Digital filtering, Image restoration, Computer programming, Gaussian filters, Image filtering, Image retrieval, Genetics

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PROCEEDINGS ARTICLE | September 14, 2016

Simple method for correction of distortion in images

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Imaging systems, Cameras, Calibration, Image processing, Error analysis, Distortion, Demodulation, Computer simulations, Coded apertures, 3D image processing

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PROCEEDINGS ARTICLE | September 14, 2016

Scale estimation of objects using template matching

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Target detection, Detection and tracking algorithms, Image processing, Video, Pattern recognition, Error analysis, Composites, Image filtering, Target recognition, Factor analysis

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PROCEEDINGS ARTICLE | September 14, 2016

Fringe-projection method for three-dimensional digitization of human faces

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Fringe analysis, Facial recognition systems, Detection and tracking algorithms, Modulation, Cameras, Fourier transforms, Phase shift keying, 3D modeling, Object recognition, Phase shifts

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PROCEEDINGS ARTICLE | September 14, 2016

Obstacle recognition for path planning in autonomous mobile robots

Proc. SPIE. 9970, Optics and Photonics for Information Processing X

KEYWORDS: Detection and tracking algorithms, Computing systems, Fourier transforms, Computer simulations, Electroluminescence, Navigation systems, Machine vision, Mobile robots, Environmental sensing, Evolutionary algorithms

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SPIE Journal Paper | June 7, 2016

Accurate three-dimensional pose recognition from monocular images using template matched filtering

Picos, Kenia , Diaz-Ramirez, Victor , Kober, Vitaly , Montemayor, Antonio , Pantrigo, Juan J.

OE Vol. 55 Issue 06

KEYWORDS: Detection and tracking algorithms, 3D modeling, 3D acquisition, 3D image processing, Image filtering, Target recognition, Genetic algorithms, Target detection, Image processing, Optical filters

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PROCEEDINGS ARTICLE | September 22, 2015

Robust illumination-invariant tracking algorithm based on HOGs

Proc. SPIE. 9599, Applications of Digital Image Processing XXXVIII

KEYWORDS: Video acceleration, Detection and tracking algorithms, Cameras, Sensors, Image processing, Video, Computer simulations, Video surveillance, Image sensors, Algorithm development

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PROCEEDINGS ARTICLE | September 22, 2015

Performance evaluation of correlation filters for target tracking

Proc. SPIE. 9599, Applications of Digital Image Processing XXXVIII

KEYWORDS: Target detection, Detection and tracking algorithms, Video, Digital filtering, Composites, Signal processing, Image filtering, Electronic filtering, Filtering (signal processing), Phase only filters

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PROCEEDINGS ARTICLE | September 10, 2015

Real-time image dehazing using local adaptive neighborhoods and dark-channel-prior

Proc. SPIE. 9598, Optics and Photonics for Information Processing IX

KEYWORDS: Statistical analysis, Scattering, Graphics processing units, Air contamination, Image processing, Light scattering, Image restoration, Computer simulations, Signal processing, Image transmission

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PROCEEDINGS ARTICLE | September 9, 2015

A 3D approach for object recognition in illuminated scenes with adaptive correlation filters

Proc. SPIE. 9598, Optics and Photonics for Information Processing IX

KEYWORDS: 3D acquisition, Detection and tracking algorithms, Image processing, Computing systems, 3D modeling, Light sources and illumination, Image filtering, Object recognition, 3D image processing, RGB color model

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PROCEEDINGS ARTICLE | September 9, 2015

Robust estimators for speech enhancement in real environments

Proc. SPIE. 9598, Optics and Photonics for Information Processing IX

KEYWORDS: Signal to noise ratio, Statistical analysis, Databases, Synthetic aperture radar, Interference (communication), Computer simulations, Computer science, Signal processing, Analytical research, Process modeling

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PROCEEDINGS ARTICLE | September 23, 2014

Single image dehazing using local adaptive signal processing

Proc. SPIE. 9217, Applications of Digital Image Processing XXXVII

KEYWORDS: Statistical analysis, Air contamination, Image processing, Error analysis, Image restoration, Image acquisition, Image analysis, Image quality, Signal processing, Prototyping

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PROCEEDINGS ARTICLE | September 23, 2014

Facial recognition using composite correlation filters designed by multiobjective combinatorial optimization

Proc. SPIE. 9217, Applications of Digital Image Processing XXXVII

KEYWORDS: Target detection, Signal to noise ratio, Facial recognition systems, Detection and tracking algorithms, Composites, Computer simulations, Image filtering, Optimization (mathematics), Micro optical fluidics, Evolutionary algorithms

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PROCEEDINGS ARTICLE | September 23, 2014

Multiple objects tracking with HOGs matching in circular windows

Proc. SPIE. 9217, Applications of Digital Image Processing XXXVII

KEYWORDS: Genetic algorithms, Digital image processing, Video acceleration, Detection and tracking algorithms, Image processing, Video, Computing systems, Image enhancement, Video processing

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PROCEEDINGS ARTICLE | September 23, 2014

Target tracking using interest point detection and correlation filtering

Proc. SPIE. 9217, Applications of Digital Image Processing XXXVII

KEYWORDS: Target detection, Detection and tracking algorithms, Sensors, Video, Composites, Signal processing, Image filtering, Target recognition, Electronic filtering, Filtering (signal processing)

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PROCEEDINGS ARTICLE | September 19, 2014

A roadmap to global illumination in 3D scenes: solutions for GPU object recognition applications

Proc. SPIE. 9216, Optics and Photonics for Information Processing VIII

KEYWORDS: Signal to noise ratio, Light sources, Visualization, Photons, Computer simulations, Ray tracing, Light sources and illumination, Object recognition, Light, RGB color model

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PROCEEDINGS ARTICLE | September 26, 2013

Real-time object tracking with correlation filtering and state prediction

Proc. SPIE. 8856, Applications of Digital Image Processing XXXVI

KEYWORDS: Target detection, Signal to noise ratio, Digital filtering, Composites, Computing systems, Image filtering, Electronic filtering, Motion models, Filtering (signal processing), Classification systems

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PROCEEDINGS ARTICLE | September 26, 2013

Design of composite correlation filters for object recognition using multi-objective combinatorial optimization

Proc. SPIE. 8856, Applications of Digital Image Processing XXXVI

KEYWORDS: Signal to noise ratio, Detection and tracking algorithms, Pattern recognition, Composites, Image filtering, Object recognition, Target recognition, Electronic filtering, Optimization (mathematics), Evolutionary algorithms

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PROCEEDINGS ARTICLE | September 26, 2013

Object tracking under nonuniform illumination with adaptive correlation filtering

Proc. SPIE. 8855, Optics and Photonics for Information Processing VII

KEYWORDS: Target detection, Signal to noise ratio, Rutherfordium, Digital filtering, Error analysis, Fourier transforms, Image filtering, Electronic filtering, Motion models, Motion estimation

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PROCEEDINGS ARTICLE | October 15, 2012

Real-time multiclass object recognition system based on adaptive correlation filtering

Proc. SPIE. 8498, Optics and Photonics for Information Processing VI

KEYWORDS: Target detection, Detection and tracking algorithms, Pattern recognition, Digital filtering, Composites, Image filtering, Object recognition, Target recognition, Real-time computing, Filtering (signal processing)

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PROCEEDINGS ARTICLE | October 15, 2012

Improvement of facial recognition with composite correlation filters designed with combinatorial optimization

Proc. SPIE. 8498, Optics and Photonics for Information Processing VI

KEYWORDS: Facial recognition systems, Detection and tracking algorithms, Databases, Pattern recognition, Composites, Computer simulations, Image filtering, Electronic filtering, Optimization (mathematics), Evolutionary algorithms

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SPIE Journal Paper | April 9, 2012

Multiclass pattern recognition using adaptive correlation filters with complex constraints

Díaz-Ramírez, Victor , Campos-Trujillo, Oliver , Kober, Vitaly , Aguilar-Gonzalez, Pablo

OE Vol. 51 Issue 03

KEYWORDS: Digital filtering, Image filtering, Detection and tracking algorithms, Target recognition, Composites, Pattern recognition, Optical filters, Image classification, Optical pattern recognition, Optical engineering

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PROCEEDINGS ARTICLE | September 22, 2011

Multiclassification of objects in cloudy environments

Proc. SPIE. 8135, Applications of Digital Image Processing XXXIV

KEYWORDS: Digital image processing, Detection and tracking algorithms, Computer simulations, Nonlinear optics, Image filtering, Nonlinear filtering, Current controlled current source

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PROCEEDINGS ARTICLE | September 13, 2011

Multi-objective adaptive composite filters for object recognition

Proc. SPIE. 8134, Optics and Photonics for Information Processing V

KEYWORDS: Optical filters, Detection and tracking algorithms, Digital filtering, Composites, Adaptive optics, Data processing, Photonics, Object recognition, Neptunium, Current controlled current source

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PROCEEDINGS ARTICLE | September 8, 2010

Improvement of visual perception in cloudy environments

Proc. SPIE. 7798, Applications of Digital Image Processing XXXIII

KEYWORDS: Visualization, Scattering, Cameras, Signal attenuation, Image processing, Light scattering, Computer simulations, Machine vision, Atmospheric particles, Atmospheric modeling

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PROCEEDINGS ARTICLE | September 8, 2010

Simultaneous recognition and classification of multiple objects with a complex composite filter

Proc. SPIE. 7797, Optics and Photonics for Information Processing IV

KEYWORDS: Radon, Composites, Computer simulations, Data processing, Photonics, Image filtering, Target recognition, Current controlled current source

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PROCEEDINGS ARTICLE | September 1, 2009

Improvement of pattern recognition with a heuristic design of correlation filters

Proc. SPIE. 7442, Optics and Photonics for Information Processing III

KEYWORDS: Target detection, Genetic algorithms, Detection and tracking algorithms, Pattern recognition, Digital filtering, Composites, Computer simulations, Image filtering, Target recognition, Chemical elements

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PROCEEDINGS ARTICLE | September 3, 2008

Detection of circuit-board components with an adaptive multiclass correlation filter

Proc. SPIE. 7072, Optics and Photonics for Information Processing II

KEYWORDS: Target detection, Detection and tracking algorithms, Pattern recognition, Digital filtering, Composites, Inspection, Computer simulations, Electronic components, Image filtering, Printed circuit board testing

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PROCEEDINGS ARTICLE | September 20, 2007

Illumination invariant adaptive joint transform correlator

Proc. SPIE. 6695, Optics and Photonics for Information Processing

KEYWORDS: Target detection, Light sources, Detection and tracking algorithms, Pattern recognition, Reflectivity, Computer simulations, Image filtering, Joint transforms, Optical correlators, Light

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PROCEEDINGS ARTICLE | February 9, 2007

Nonlinear effects in the propagation of short laser pulses in air

Proc. SPIE. 6483, Complex Light and Optical Forces

KEYWORDS: Diffraction, Modulation, Solitons, Numerical integration, Kerr effect, Ionization, Beam propagation method, Pulsed laser operation, Plasma, Phase shifts

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PROCEEDINGS ARTICLE | August 30, 2006

Pattern recognition with an adaptive phase-input joint transform correlator

Proc. SPIE. 6311, Optical Information Systems IV

KEYWORDS: Detection and tracking algorithms, Modulation, Calibration, Fourier transforms, Phase shift keying, Computer simulations, Spatial light modulators, Image filtering, Joint transforms, Optical correlators

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PROCEEDINGS ARTICLE | May 22, 2006

Observation of channels of radiation during the propagation in air of short pulses below the collapse threshold

Proc. SPIE. 6256, ICONO 2005: Ultrafast Phenomena and Physics of Superintense Laser Fields; Quantum and Atom Optics; Engineering of Quantum Information

KEYWORDS: Diffraction, Refractive index, Crystals, Electrons, Solitons, Kerr effect, Laser beam propagation, Beam propagation method, Pulsed laser operation, Laser systems engineering

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PROCEEDINGS ARTICLE | September 16, 2005

Real-time pattern recognition with adaptative correlation filters

Proc. SPIE. 5909, Applications of Digital Image Processing XXVIII

KEYWORDS: Optical filters, Calibration, Pattern recognition, Digital filtering, Computer simulations, Spatial light modulators, Image filtering, Electronic filtering, Optical correlators, Phase only filters

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PROCEEDINGS ARTICLE | September 30, 2003

Spatial frequency diversity in liquid crystal spatial light modulators applied to signal-to-noise ratio improvement in coherent optodigital processors

Proc. SPIE. 5264, Optomechatronic Systems IV

KEYWORDS: Signal to noise ratio, Optical filters, Electronics, Spatial frequencies, Particles, Interference (communication), Signal processing, Liquid crystals, Image filtering, Transmittance

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Showing 5 of 51 publications

Conference Committee Involvement (4)

Optics and Photonics for Information Processing XII

19 August 2018 | San Diego, California, United States

Optics and Photonics for Information Processing XI

7 August 2017 | San Diego, California, United States

Optics and Photonics for Information Processing X

29 August 2016 | San Diego, California, United States

Optics and Photonics for Information Processing IX

10 August 2015 | San Diego, California, United States

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