Prof. Gregor Fischer Profile

Prof. Gregor Fischer

at Technische Hochschule Köln

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Author

Publications (5)

Proceedings Article | 27 February 2015 Paper

Measurement and analysis of the point spread function with regard to straylight correction

Julian Achatzi, Gregor Fischer, Volker Zimmer, Dietrich Paulus, Gerhard Bonnet

Proceedings Volume 9404, 940406 (2015) https://doi.org/10.1117/12.2078333

KEYWORDS: Point spread functions, Stray light, Cameras, High dynamic range imaging, Systems modeling, Error analysis, Light scattering, Scattering, Imaging systems, Light sources

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Proceedings Article | 4 March 2014 Paper

Estimating an image sensor's temperature for darksignal-correction

Julian Achatzi, Gregor Fischer, Volker Zimmer, Dietrich Paulus

Proceedings Volume 9022, 90220E (2014) https://doi.org/10.1117/12.2036958

KEYWORDS: Sensors, Temperature metrology, Image sensors, Temperature sensors, Calibration, Cameras, Image analysis, Error analysis, Information fusion, Model-based design

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Proceedings Article | 19 January 2009 Paper

Automatic white balance: whitebalPR using the dichromatic reflection model

Matthias Sajjaa, Gregor Fischer

Proceedings Volume 7250, 72500D (2009) https://doi.org/10.1117/12.805404

KEYWORDS: Image segmentation, RGB color model, Light sources, Polarization, Reflection, Cameras, Sensors, Image processing, Specular reflections, Reliability

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Proceedings Article | 20 March 2008 Paper

WhitebalPR: automatic white balance by polarized reflections

Gregor Fischer, Karin Kolbe, Matthias Sajjaa

Proceedings Volume 6817, 68170E (2008) https://doi.org/10.1117/12.766719

KEYWORDS: Polarization, Reflection, Cameras, Sensors, Optical filters, Light scattering, Scattering, Digital cameras, Dielectric polarization, Light sources

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Proceedings Article | 3 March 2008 Paper

A survey on lossy compression of DSC raw data

Gregor Fischer, Dietmar Kunz, Katja Köhler

Proceedings Volume 6817, 68170I (2008) https://doi.org/10.1117/12.766867

KEYWORDS: Image compression, Signal to noise ratio, Quantization, Interference (communication), Image quality, Data modeling, Computer programming, Cameras, Sensors, Data compression

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