Dr. Yud-Ren Chen Profile

Dr. Yud-Ren Chen

Research Leader at USDA Agricultural Research Service

SPIE Involvement:

Author

Publications (37)

SPIE Journal Paper | 1 April 2008

Development of two-waveband color-mixing binoculars

Fujian Ding, Yud-Ren Chen, Kaunglin Chao

OE, Vol. 47, Issue 04, 043201, (April 2008) https://doi.org/10.1117/12.10.1117/1.2904675

KEYWORDS: Target detection, Color difference, Optical filters, Reflectivity, Optical engineering, Chaos, Prototyping, Target recognition, Inspection, Imaging systems

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Proceedings Article | 22 October 2007 Paper

Surface-enhanced Raman scattering spectroscopy characterization and identification of foodborne bacteria

Yongliang Liu, Yud-Ren Chen, Xiangwu Nou, Kaunglin Chao

Proceedings Volume 6761, 676109 (2007) https://doi.org/10.1117/12.731275

KEYWORDS: Surface enhanced Raman spectroscopy, Silver, Bacteria, Raman scattering, Raman spectroscopy, Nanoparticles, Spectroscopy, Algorithm development, Metals, Glasses

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Proceedings Article | 21 February 2007 Paper

Development of a wavelength-changeable multiband color-mixing imaging device and its application

Fujian Ding, Yud-Ren Chen, Kaunglin Chao, Diane Chan

Proceedings Volume 6501, 65010W (2007) https://doi.org/10.1117/12.723438

KEYWORDS: Optical filters, Color difference, Imaging systems, Imaging devices, Reflectivity, Target recognition, Prototyping, Color blindness, Target detection, Hyperspectral imaging

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Proceedings Article | 23 October 2006 Paper

Development of video technology to analyze dynamics of inertia-based apple orientation

Alan Lefcourt, Priya Narayanan, Uri Tasch, Rouben Rostamian, Moon Kim, Yud-Ren Chen

Proceedings Volume 6381, 63810Q (2006) https://doi.org/10.1117/12.687039

KEYWORDS: Imaging systems, Video, Contamination, Software development, Agriculture, Machine vision, Data modeling, Image processing, Cameras, Image acquisition

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Proceedings Article | 23 October 2006 Paper

Hyperspectral reflectance and fluorescence line-scan imaging system for online detection of fecal contamination on apples

Moon Kim, Byoung-Kwan Cho, Chun-Chieh Yang, Kaunglin Chao, Alan Lefcourt, Yud-Ren Chen

Proceedings Volume 6381, 63810P (2006) https://doi.org/10.1117/12.686674

KEYWORDS: Luminescence, Reflectivity, Hyperspectral imaging, Forward error correction, Imaging systems, Line scan image sensors, Contamination, Electron multiplying charge coupled devices, Safety, Inspection

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Proceedings Article | 23 October 2006 Paper

Development of online line-scan imaging system for chicken inspection and differentiation

Chun-Chieh Yang, Diane Chan, Kuanglin Chao, Yud-Ren Chen, Moon Kim

Proceedings Volume 6381, 63810Y (2006) https://doi.org/10.1117/12.686087

KEYWORDS: Line scan image sensors, Imaging systems, Inspection, Hyperspectral imaging, Reflectivity, Cameras, Multispectral imaging, Calibration, Image processing, Classification systems

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Proceedings Article | 23 October 2006 Paper

Poultry carcass inspection by a fast line-scan imaging system: results from in-plant testing

Kuanglin Chao, Chun-Chieh Yang, Yud-Ren Chen, Diane Chan, Moon Kim

Proceedings Volume 6381, 63810V (2006) https://doi.org/10.1117/12.686144

KEYWORDS: Line scan image sensors, Fuzzy logic, Imaging systems, Inspection, Algorithm development, Image processing, Hyperspectral imaging, Beam propagation method, Image classification, Classification systems

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Proceedings Article | 20 October 2006 Paper

Detection of fecal/ingesta contaminants at slaughter plants from a number of characteristic visible and near-infrared bands

Yongliang Liu, Kuanglin Chao, Yud-Ren Chen, Moon Kim, Xiangwu Nou, Diane Chan, Chun-Chieh Yang

Proceedings Volume 6381, 63810U (2006) https://doi.org/10.1117/12.686225

KEYWORDS: Near infrared, Visible radiation, Forward error correction, Algorithm development, Principal component analysis, Inspection, Reflectivity, Agriculture, Pathogens, Contamination

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Proceedings Article | 9 November 2005 Paper

Hyperspectral imaging technique for detection of poultry fecal residues on food processing equipments

Byoung-Kwan Cho, Moon Kim, Yud-Ren Chen

Proceedings Volume 5996, 59960L (2005) https://doi.org/10.1117/12.659154

KEYWORDS: Luminescence, Reflectivity, Forward error correction, Hyperspectral imaging, Image processing, Electromagnetic coupling, Contamination, Colon, Particles, Imaging systems

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Proceedings Article | 9 November 2005 Paper

Feature extraction and band selection methods for hyperspectral imagery applied for identifying defects

Xuemei Cheng, Tao Yang, Yud-Ren Chen, Xin Chen

Proceedings Volume 5996, 59960U (2005) https://doi.org/10.1117/12.631068

KEYWORDS: Principal component analysis, Ferroelectric LCDs, Feature extraction, Hyperspectral imaging, Defect detection, Data processing, Remote sensing, Signal to noise ratio, Pattern recognition, Image classification

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Proceedings Article | 9 November 2005 Paper

Gabor-wavelet decomposition and integrated PCA-FLD method for texture based defect classification

Xuemei Cheng, Yud-Ren Chen, Tao Yang, Xin Chen

Proceedings Volume 5996, 59960V (2005) https://doi.org/10.1117/12.631071

KEYWORDS: Hyperspectral imaging, Wavelets, Ferroelectric LCDs, Principal component analysis, Image processing, Skin, Image classification, Analytical research, Chemical analysis, Feature extraction

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Proceedings Article | 9 November 2005 Paper

Application of color mixing for safety and quality inspection of agricultural products

Fujian Ding, Yud-Ren Chen, Kuanglin Chao

Proceedings Volume 5996, 59960R (2005) https://doi.org/10.1117/12.638037

KEYWORDS: Inspection, Safety, Visualization, Optical inspection, Skin, Color difference, Injuries, Agriculture, RGB color model, Optical components

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Proceedings Article | 8 November 2005 Paper

Development of fast line scanning imaging algorithm for diseased chicken detection

Chun-Chieh Yang, Kuanglin Chao, Yud-Ren Chen, Moon Kim

Proceedings Volume 5996, 59960C (2005) https://doi.org/10.1117/12.629754

KEYWORDS: Imaging systems, Hyperspectral imaging, Line scan image sensors, Reflectivity, Algorithm development, Fuzzy logic, Inspection, Spectrographs, Calibration, Cameras

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Proceedings Article | 19 November 2004 Paper

Ns-scale time-resolved laser induced fluorescence imaging for detection of fecal contamination on apples

Moon Kim, Alan Lefcourt, Yud-Ren Chen

Proceedings Volume 5587, (2004) https://doi.org/10.1117/12.582042

KEYWORDS: Forward error correction, Luminescence, Laser induced fluorescence, Imaging systems, Pulsed laser operation, Contamination, Multispectral imaging, Fluorescence spectroscopy, Safety, Visualization

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Proceedings Article | 19 November 2004 Paper

Development of hyperspectral imaging technique for the detection of chilling injury in cucumbers

Y. Liu, Yud-Ren Chen, C. Wang, D. Chan, Moon Kim

Proceedings Volume 5587, (2004) https://doi.org/10.1117/12.597550

KEYWORDS: Skin, Injuries, Principal component analysis, Hyperspectral imaging, Reflectivity, Image analysis, Calibration, Safety, Image processing, Information operations

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Proceedings Article | 19 November 2004 Paper

Systemically diseased chicken identification using multispectral images and region of interest analysis

Chun-Chieh Yang, Kuanglin Chao, Yud-Ren Chen, Howard Early

Proceedings Volume 5587, (2004) https://doi.org/10.1117/12.571488

KEYWORDS: Imaging systems, Multispectral imaging, Classification systems, Reflectivity, Image classification, Cameras, Image processing, Algorithm development, Inspection, Charge-coupled devices

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Proceedings Article | 30 March 2004 Paper

High-speed poultry inspection using visible/near-infrared spectrophotometer

Kuanglin Chao, Yud-Ren Chen

Proceedings Volume 5271, (2004) https://doi.org/10.1117/12.516093

KEYWORDS: Inspection, Beam propagation method, Data modeling, Reflectivity, Software development, Data acquisition, Charge-coupled devices, Sensors, Fiber optics, Spectroscopy

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Proceedings Article | 30 March 2004 Paper

Portable multispectral fluorescence imaging system for food safety applications

Alan Lefcourt, Moon Kim, Yud-Ren Chen

Proceedings Volume 5271, (2004) https://doi.org/10.1117/12.516103

KEYWORDS: Forward error correction, Cameras, Contamination, Optical filters, Imaging systems, Image filtering, Luminescence, Edge detection, Safety, Image acquisition

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Proceedings Article | 30 March 2004 Paper

Multispectral fluorescence imaging techniques for nondestructive food safety inspection

Moon Kim, Alan Lefcourt, Yud-Ren Chen

Proceedings Volume 5271, (2004) https://doi.org/10.1117/12.516112

KEYWORDS: Luminescence, Imaging systems, Forward error correction, Multispectral imaging, Laser induced fluorescence, Hyperspectral imaging, Inspection, Safety, Optical filters, Food inspection

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Proceedings Article | 30 March 2004 Paper

Spectroscopic detection of abnormality in chicken liver as an inspection tool

Bhabani Dey, Diane Chan, Yud-Ren Chen, Frank Gwozdz

Proceedings Volume 5271, (2004) https://doi.org/10.1117/12.518669

KEYWORDS: Liver, Inspection, Safety, Spectroscopy, Neural networks, Food inspection, Standards development, Agriculture, Statistical modeling, Principal component analysis

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Proceedings Article | 28 March 2001 Paper

Advances in sensing technologies for poultry inspection

Yud-Ren Chen, Kuanglin Chao, William Hruschka, Yongliang Liu

Proceedings Volume 10301, 1030108 (2001) https://doi.org/10.1117/12.420102

KEYWORDS: Inspection, Agriculture, Safety, Food inspection

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Proceedings Article | 13 March 2001 Paper

Detection of chicken skin tumors by mutlispectral imaging

Kevin Chao, Patrick Mehl, Moon Kim, Yud-Ren Chen

Proceedings Volume 4206, (2001) https://doi.org/10.1117/12.418732

KEYWORDS: Tumors, Skin, Tissues, Fuzzy logic, Multispectral imaging, Inspection, Imaging systems, Hyperspectral imaging, Feature extraction, Reflectivity

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Proceedings Article | 13 March 2001 Paper

Detection of contamination on selected apple cultivars using reflectance hyperspectral and multispectral analysis

Patrick Mehl, Kevin Chao, Moon Kim, Yud-Ren Chen

Proceedings Volume 4206, (2001) https://doi.org/10.1117/12.418731

KEYWORDS: Reflectivity, Contamination, Hyperspectral imaging, Cameras, Visible radiation, Statistical analysis, Soil contamination, RGB color model, Optical filters, Safety

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Proceedings Article | 13 March 2001 Paper

Hyperspectral imaging system for food safety: detection of fecal contamination on apples

Moon Kim, Kevin Chao, Yud-Ren Chen, Diane Chan, Patrick Mehl

Proceedings Volume 4206, (2001) https://doi.org/10.1117/12.418727

KEYWORDS: Luminescence, Reflectivity, Imaging systems, Hyperspectral imaging, Contamination, Charge-coupled devices, Near infrared, Skin, Absorption, Safety

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Proceedings Article | 13 March 2001 Paper

Simulated optical color correlation for identification of air sacculitis in poultry

Juan Ibarra, Yang Tao, Lisa Newberry, Yud-Ren Chen

Proceedings Volume 4206, (2001) https://doi.org/10.1117/12.418729

KEYWORDS: LCDs, RGB color model, Optical simulations, Inspection, CCD cameras, Tissue optics, Tissues, Optical filters, Transform theory, Visualization

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