Prof. Fernando Puente León Profile

Prof. Fernando Puente León

at Karlsruher Institut für Technologie

Publications (23)

Proceedings Article | 21 June 2019 Presentation + Paper

A simulation framework for the design and evaluation of computational cameras

Thomas Nürnberg, Maximilian Schambach, David Uhlig, Michael Heizmann, Fernando Puente León

Proceedings Volume 11061, 1106102 (2019) https://doi.org/10.1117/12.2527599

KEYWORDS: Cameras, Device simulation, Ray tracing, Imaging systems, Computer simulations, Geometrical optics, Computational imaging, Optical simulations, Hyperspectral simulation

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Proceedings Article | 14 May 2019 Paper

Robust iterative estimation of material abundances based on spectral filters exploiting the SVD

Wolfgang Krippner, Johannes Anastasiadis, Fernando Puente León

Proceedings Volume 10986, 109861T (2019) https://doi.org/10.1117/12.2518195

KEYWORDS: Optical filters, RGB color model, Iterative methods, Algorithm development, Quartz, Raw materials, Error analysis, Matrices, Hyperspectral imaging, Detection and tracking algorithms

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Proceedings Article | 26 June 2017 Paper

Optical determination of material abundances by using neural networks for the derivation of spectral filters

Wolfgang Krippner, Felix Wagner, Sebastian Bauer, Fernando Puente León

Proceedings Volume 10334, 1033408 (2017) https://doi.org/10.1117/12.2270237

KEYWORDS: Neurons, Picosecond phenomena, Image processing, Machine learning, Oxides, Iron, Reflectivity, Optical filters, Neural networks, Optical testing, Hyperspectral imaging, Reliability, Intelligence systems, Inspection, Optical computing, Nondestructive evaluation, Chemical analysis

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Proceedings Article | 12 May 2016 Paper

Optical unmixing using programmable spectral source based on DMD

Ding Luo, Sebastian Bauer, Miro Taphanel, Thomas Längle, Fernando Puente León, Jürgen Beyerer

Proceedings Volume 9855, 98550P (2016) https://doi.org/10.1117/12.2228303

KEYWORDS: Digital micromirror devices, Light sources, Algorithm development, Hyperspectral imaging, Signal processing, Imaging devices, Cameras, Tunable lasers, Micromirrors, Optical filters, Databases, Spectroscopy, Reflectivity, Filtering (signal processing), Calibration

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Proceedings Article | 22 June 2015 Paper

A novel regularization method for optical flow-based head pose estimation

Sebastian Vater, Guillermo Mann, Fernando Puente León

Proceedings Volume 9530, 95300N (2015) https://doi.org/10.1117/12.2184627

KEYWORDS: Head, 3D modeling, Optical flow, Video, Motion models, 3D image processing, Image registration, Detection and tracking algorithms, Model-based design, Eye models

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Proceedings Article | 22 June 2015 Paper

Spatial regularization for the unmixing of hyperspectral images

Sebastian Bauer, Florian Neumann, Fernando Puente León

Proceedings Volume 9530, 953009 (2015) https://doi.org/10.1117/12.2184051

KEYWORDS: Hyperspectral imaging, Image processing, Signal to noise ratio, Mathematical modeling, Matrices, Visible radiation, Ultraviolet radiation, Near infrared, Denoising, Color image processing

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Proceedings Article | 22 June 2015 Paper

Identification and sorting of regular textures according to their similarity

Pilar Hernández Mesa, Johannes Anastasiadis, Fernando Puente León

Proceedings Volume 9530, 95300A (2015) https://doi.org/10.1117/12.2184439

KEYWORDS: Databases, Feature extraction, Fourier transforms, Image classification, Visualization, Skin, Image filtering, Inspection, Image analysis, Image retrieval

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Proceedings Article | 24 May 2013 Paper

Combined spatial and spectral unmixing of image signals for material recognition in automated inspection systems

Matthias Michelsburg, Fernando Puente León

Proceedings Volume 8791, 87911E (2013) https://doi.org/10.1117/12.2021660

KEYWORDS: Sensors, Spatial resolution, Hyperspectral imaging, Sensor fusion, Image fusion, Spectral resolution, RGB color model, Signal to noise ratio, Inspection, Optical inspection

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Proceedings Article | 10 February 2012 Paper

Measuring ionizing radiation with a mobile device

Matthias Michelsburg, Thomas Fehrenbach, Fernando Puente León

Proceedings Volume 8304, 83040A (2012) https://doi.org/10.1117/12.908757

KEYWORDS: Ionizing radiation, Electrons, Sensors, Cameras, Mobile devices, Photons, Image segmentation, Cell phones, X-ray sources, Image analysis

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Proceedings Article | 16 May 2008 Paper

Fusion of a FBG-based health monitoring system for wind turbines with a fiber-optic lightning detection system

Sebastian Krämer, Benjamin Wiesent, Mathias Müller, Fernando Puente León, Yarú Méndez Hernández

Proceedings Volume 7004, 70040O (2008) https://doi.org/10.1117/12.783602

KEYWORDS: Fiber Bragg gratings, Fiber optics sensors, Sensors, Fiber optics, Magnetic sensors, Magnetism, Multiplexing, Composites, Optical sensors, Wind turbine technology

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Proceedings Article | 13 June 2005 Paper

Illumination-based segmentation of structured surfaces in automated visual inspection

Christoph Lindner, Javier Arigita, Fernando Puente Leon

Proceedings Volume 5856, (2005) https://doi.org/10.1117/12.612108

KEYWORDS: Image segmentation, Metals, Light sources, Optical inspection, Cameras, Reflection, Spatial resolution, Linear filtering, Light sources and illumination, Feature extraction

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Proceedings Article | 13 June 2005 Paper

An objective measure of the quality of honed surfaces

Fernando Puente Leon

Proceedings Volume 5856, (2005) https://doi.org/10.1117/12.608161

KEYWORDS: Feature extraction, Visualization, Quality measurement, Image quality, Fourier transforms, Combustion, Statistical analysis, Metals, Inspection, Mathematical modeling

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SPIE Journal Paper | 1 December 2003

Imaging and analysis of forensic striation marks

Michael Heizmann, Fernando Puente Leon

OE, Vol. 42, Issue 12, (December 2003) https://doi.org/10.1117/12.10.1117/1.1622389

KEYWORDS: Image fusion, Forensic science, Image quality, Image processing, Image enhancement, Optical engineering, Image acquisition, Light sources, Image segmentation, Firearms

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Proceedings Article | 8 September 2003 Paper

Head-mounted display for interactive inspection of painted free-form surfaces

Soeren Kammel, Fernando Puente Leon

Proceedings Volume 5079, (2003) https://doi.org/10.1117/12.484798

KEYWORDS: Inspection, Cameras, Head-mounted displays, Image fusion, Visualization, Deflectometry, Fusion energy, Sensors, Imaging systems, Phase shift keying

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Proceedings Article | 1 April 2003 Paper

Image fusion techniques for robust inspection of specular surfaces

Fernando Puente Leon, Soren Kammel

Proceedings Volume 5099, (2003) https://doi.org/10.1117/12.485689

KEYWORDS: Image fusion, Inspection, Cameras, Sensors, Fusion energy, Image sensors, Image processing, Bidirectional reflectance transmission function, Image acquisition, Defect detection

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Proceedings Article | 5 October 2001 Paper

Strategies to detect nonlinear similarities by means of correlation methods

Fernando Puente Leon, Michael Heizmann

Proceedings Volume 4572, (2001) https://doi.org/10.1117/12.444222

KEYWORDS: Sensors, Signal detection, Stochastic processes, Image processing, Nonlinear optics, Signal analyzers, Statistical analysis, Switches, Forensic science, Databases

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Proceedings Article | 21 February 2001 Paper

Model-based analysis of striation patterns in forensic science

Michael Heizmann, Fernando Puente Leon

Proceedings Volume 4232, (2001) https://doi.org/10.1117/12.417572

KEYWORDS: Image fusion, Image quality, Model-based design, Forensic science, Image acquisition, Image processing, Kinematics, Image enhancement, Databases, Visualization

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Proceedings Article | 12 February 2001 Paper

Model-based inspection of shot-peened surfaces using fusion techniques

Fernando Puente Leon

Proceedings Volume 4189, (2001) https://doi.org/10.1117/12.417211

KEYWORDS: Image fusion, Surface finishing, Reflection, Inspection, Polishing, Binary data, Light sources and illumination, Optical inspection, Image processing, Model-based design

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Proceedings Article | 26 August 1999 Paper

Automatic comparison of striation information on firearm bullets

Fernando Puente Leon, Juergen Beyerer

Proceedings Volume 3837, (1999) https://doi.org/10.1117/12.360306

KEYWORDS: Firearms, Forensic science, Feature extraction, Visualization, Signal processing, Databases, Distance measurement, Transform theory, Image filtering, Nonlinear filtering

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SPIE Journal Paper | 1 October 1998

Adaptive separation of random lines and background

Juergen Beyerer, Fernando Puente Leon

OE, Vol. 37, Issue 10, (October 1998) https://doi.org/10.1117/12.10.1117/1.601811

KEYWORDS: Fourier transforms, Linear filtering, Image processing, Optical engineering, Optical filters, Image filtering, Filtering (signal processing), Image enhancement, Optimal filtering, Signal processing

Proceedings Article | 26 September 1997 Paper

Active vision and sensor fusion for inspection of metallic surfaces

Fernando Puente Leon, Juergen Beyerer

Proceedings Volume 3208, (1997) https://doi.org/10.1117/12.290311

KEYWORDS: Inspection, Active vision, Sensor fusion, Image quality, Image acquisition, Blood, Fusion energy, Image segmentation, Binary data, Image fusion

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Proceedings Article | 25 September 1997 Paper

Enhanced imaging by fusion of illumination series

Fernando Puente Leon

Proceedings Volume 3100, (1997) https://doi.org/10.1117/12.287757

KEYWORDS: Image fusion, Image acquisition, Image processing, Light sources and illumination, Reflection, Fusion energy, Data fusion, Optical properties, Cameras, Image quality

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SPIE Journal Paper | 1 January 1997

Suppression of inhomogeneities in images of textured surfaces

Juergen Beyerer, Fernando Puente Leon

OE, Vol. 36, Issue 01, (January 1997) https://doi.org/10.1117/12.10.1117/1.601602

KEYWORDS: Homogenization, Distortion, Image processing, Visualization, Optical engineering, Cameras, Optical inspection, Image filtering, Bidirectional reflectance transmission function, Image acquisition