Prof. Chunjiang Zhao Profile

Prof. Chunjiang Zhao

at NERCITA

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 18 October 2022 Paper

Moth image segmentation based on improved Unet

Qilin Sun, Ruirui Zhang, Liping Chen, Meixiang Chen, Rong Wang, Chunjiang Zhao

Proceedings Volume 12349, 123490P (2022) https://doi.org/10.1117/12.2657219

KEYWORDS: Image segmentation, Convolution, Agriculture, Feature extraction, Data modeling, Performance modeling, Computer programming, Forestry, Detection and tracking algorithms, Binary data

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SPIE Journal Paper | 23 December 2015

Leaf nitrogen spectral reflectance model of winter wheat (Triticum aestivum) based on PROSPECT: simulation and inversion

Guijun Yang, Chunjiang Zhao, Ruiliang Pu, Haikuan Feng, Zhenhai Li, Heli Li, Chenhong Sun

JARS, Vol. 9, Issue 01, 095976, (December 2015) https://doi.org/10.1117/12.10.1117/1.JRS.9.095976

KEYWORDS: Reflectivity, Nitrogen, Data modeling, Spectral models, Absorption, Laser phosphor displays, Magnesium, Curium, Agriculture

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SPIE Journal Paper | 9 March 2015

Agricultural crop harvest progress monitoring by fully polarimetric synthetic aperture radar imagery

Hao Yang, Chunjiang Zhao, Guijun Yang, Zengyuan Li, Erxue Chen, Lin Yuan, Xiaodong Yang, Xingang Xu

JARS, Vol. 9, Issue 01, 096076, (March 2015) https://doi.org/10.1117/12.10.1117/1.JRS.9.096076

KEYWORDS: Polarimetry, Synthetic aperture radar, Agriculture, Vegetation, Scattering, Remote sensing, Image resolution, Radar, Backscatter, Data modeling

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Proceedings Article | 29 May 2013 Paper

Development of a multi-spectral imaging system for the detection of bruises on apples

Wenqian Huang, Chunjiang Zhao, Qingyan Wang, Jiangbo Li, Chi Zhang

Proceedings Volume 8721, 872105 (2013) https://doi.org/10.1117/12.2015579

KEYWORDS: Imaging systems, Principal component analysis, Hyperspectral imaging, Image segmentation, Cameras, Algorithm development, Multispectral imaging, CCD cameras, Agriculture, Beam splitters

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Proceedings Article | 29 May 2013 Paper

Geographical classification of apple based on hyperspectral imaging

Zhiming Guo, Wenqian Huang, Liping Chen, Chunjiang Zhao, Yankun Peng

Proceedings Volume 8721, 87210J (2013) https://doi.org/10.1117/12.2015559

KEYWORDS: Hyperspectral imaging, Principal component analysis, Cameras, Agriculture, Imaging systems, Reflectivity, Statistical modeling, Performance modeling, Feature extraction, Sensors

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Proceedings Article | 10 October 2009 Paper

Beijing eco-environment information platform and land use/cover change service construction

Chunjiang Zhao, Yuansheng Wang, Jihua Wang, Zhongke Feng, Xiaoyan Hu, Weiru Zhou

Proceedings Volume 7471, 74710N (2009) https://doi.org/10.1117/12.836432

KEYWORDS: Vegetation, Data modeling, Remote sensing, Geographic information systems, Decision support systems, Soil science, Image processing, Databases, Raster graphics, Image classification

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Proceedings Article | 7 November 2008 Paper

Detection of clusters and outlying nodes in spatial networks

Jiaogen Zhou, Chunjiang Zhao, Jihua Wang, La Qi, Wenjiang Huang

Proceedings Volume 7147, 71470K (2008) https://doi.org/10.1117/12.813221

KEYWORDS: Detection and tracking algorithms, Roads, Network security, Network architectures, Data mining, Agriculture, Analytical research, Mining, Knowledge discovery, Remote sensing

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Proceedings Article | 3 November 2008 Paper

Monitoring the naked croplands in Beijing with multi-temporal remote sensing images

La Qi, Wenjiang Huang, Jiaogen Zhou, Chunjiang Zhao

Proceedings Volume 7145, 71450V (2008) https://doi.org/10.1117/12.813009

KEYWORDS: Agriculture, Vegetation, Remote sensing, Chromium, Satellites, Geographic information systems, Landsat, Image classification, Reflectivity, Earth observing sensors

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Proceedings Article | 2 October 2008 Paper

Prediction of winter wheat grain protein content by ASTER image

Wenjiang Huang, Xiaoyu Song, Jihua Wang, Zhijie Wang, Chunjiang Zhao

Proceedings Volume 7104, 71040Y (2008) https://doi.org/10.1117/12.800440

KEYWORDS: Proteins, Image quality, Nitrogen, Reflectivity, Remote sensing, Vegetation, Agriculture, Short wave infrared radiation, Data modeling, Image processing

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Proceedings Article | 10 October 2007 Paper

Managing grain protein content by remote sensing in winter wheat

Wenjiang Huang, Jihua Wang, Xiaoyu Song, Chunjiang Zhao, Liangyun Liu

Proceedings Volume 6742, 67420W (2007) https://doi.org/10.1117/12.737713

KEYWORDS: Nitrogen, Proteins, Remote sensing, Data modeling, Reflectivity, Vegetation, Agriculture, Calibration, Instrument modeling, Information technology

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Proceedings Article | 20 January 2005 Paper

Extraction of canopy closures and stem diversities in winter wheat

Wenjiang Huang, Jihua Wang, Liangyun Liu, Chunjiang Zhao, Xinyu Guo, Jindi Wang

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.578025

KEYWORDS: Reflectivity, Nitrogen, Remote sensing, Near infrared, Vegetation, Agriculture, Photography, Digital cameras, Proteins, Soil science

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Proceedings Article | 20 January 2005 Paper

Extracting canopy vertical distribution information by canopy-reflected spectrum in winter wheat

Jihua Wang, Chunjiang Zhao, Wenjiang Huang, Liangyun Liu, Zhijie Wang

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.578024

KEYWORDS: Reflectivity, Nitrogen, Thermal modeling, Visible radiation, Shortwaves, Short wave infrared radiation, Infrared radiation, Remote sensing, Agriculture, Magnesium

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Proceedings Article | 20 January 2005 Paper

Influence of leaf water status on leaf area index and leaf nitrogen concentration inversion of wheat canopy

Chunjiang Zhao, Jihua Wang, Wenjiang Huang, Liangyun Liu

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.578698

KEYWORDS: Reflectivity, Nitrogen, Biophysics, Chemistry, Biochemistry, Near infrared, Proteins, Agriculture, Absorption, Remote sensing

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Proceedings Article | 20 January 2005 Paper

Variable-rate nitrogen application algorithm based on canopy reflected spectrum and its influence on wheat

Hongxia Liang, Chunjiang Zhao, Wenjiang Huang, Liangyun Liu, Jihua Wang, Youhua Ma

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.582987

KEYWORDS: Nitrogen, Proteins, Agriculture, Vegetation, Ear, Yield improvement, Algorithm development, Remote sensing, Magnesium, Water contamination

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Proceedings Article | 19 March 2004 Paper

Virtual reality application in agriculture field

Weixi Hu, Zhigeng Pan, Xinyu Guo, Chunjiang Zhao

Proceedings Volume 5444, (2004) https://doi.org/10.1117/12.561258

KEYWORDS: Agriculture, Virtual reality, Databases, Control systems, Fuzzy logic, 3D modeling, Data modeling, Sensors, Artificial intelligence, Visualization

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Showing 5 of 15 publications

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