Dr. Guotong Feng Profile

Dr. Guotong Feng

Research Engineer at Ricoh Innovations Corp

SPIE Involvement:

Author

Proceedings Article | 19 January 2010 Paper

Low-cost space-varying FIR filter architecture for computational imaging systems

M. Dirk Robinson, Edward Schwartz, Mohammed Shoaib, Guotong Feng

Proceedings Volume 7537, 75370I (2010) https://doi.org/10.1117/12.838977

KEYWORDS: Finite impulse response filters, Optical filters, Imaging systems, Image processing, Point spread functions, Computing systems, Multiplexers, Image filtering, Computational imaging, Optical aberrations

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Proceedings Article | 24 August 2009 Paper

Low-complexity digital filter geometry for spherical coded imaging systems

M. Robinson, Guotong Feng, Mohammed Shoaib

Proceedings Volume 7429, 742902 (2009) https://doi.org/10.1117/12.826745

KEYWORDS: Finite impulse response filters, Modulation transfer functions, Monochromatic aberrations, Optical filters, Spherical lenses, Digital filtering, Imaging systems, Image filtering, Field programmable gate arrays, Electro optical modeling

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Proceedings Article | 22 August 2009 Paper

Spherical coded imagers: improving lens speed, depth-of-field, and manufacturing yield through enhanced spherical aberration and compensating image processing

Guotong Feng, David Stork, M. Robinson

Proceedings Volume 7429, 74290M (2009) https://doi.org/10.1117/12.826609

KEYWORDS: Modulation transfer functions, Spherical lenses, Monochromatic aberrations, Imaging systems, Digital filtering, Image quality, Spatial frequencies, Image processing, Optical design, Signal to noise ratio

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Proceedings Article | 29 January 2007 Paper

Pixel and semantic capabilities from an image-object based document representation

Kathrin Berkner, Martin Boliek, Guotong Feng, Michael Gormish, Edward Schwartz

Proceedings Volume 6500, 65000I (2007) https://doi.org/10.1117/12.704502

KEYWORDS: Image compression, Image resolution, Printing, Optical character recognition, Image quality, Image transmission, Binary data, Raster graphics, Image segmentation, Image processing

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Proceedings Article | 16 January 2006 Paper

Efficient document rendering with enhanced run length encoding

Guotong Feng, Charles Bouman

Proceedings Volume 6058, 60580R (2006) https://doi.org/10.1117/12.651079

KEYWORDS: Diffusion, Binary data, Image compression, Modulation, Image segmentation, Error analysis, Image processing algorithms and systems, Computer programming, Halftones, Switches

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Proceedings Article | 13 January 2003 Paper

Image rendering for digital fax

Charles Bouman, Michael Fuchs, Guotong Feng

Proceedings Volume 5008, (2003) https://doi.org/10.1117/12.481451

KEYWORDS: Binary data, Image compression, Visualization, Sensors, Halftones, Diffusion, Detection and tracking algorithms, Image quality, Raster graphics, Image transmission

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Proceedings Article | 28 December 2001 Paper

Rate-distortion-based segmentation for MRC compression

Guotong Feng, Hui Cheng, Charles Bouman

Proceedings Volume 4663, (2001) https://doi.org/10.1117/12.452978

KEYWORDS: Image segmentation, Image compression, Image processing algorithms and systems, Distortion, Quantization, Raster graphics, Binary data, Visualization, Halftones, Spatial resolution

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