Prof. Yongheng Zhao Profile

Prof. Yongheng Zhao

at National Astronomical Observatories CAS

SPIE Involvement:

Author

Publications (37)

Proceedings Article | 6 July 2018 Paper

Paper

LAMOST staller parameters pipeline for medium resolution spectra

A-Li Luo, Jia-Jun Chen, Wen Hou, Fang Zuo, Bing Du, Yi-Han Song, Xiao Kong, Rui Wang, Yan Lu, Yong-Heng Zhao

Proceedings Volume 10707, 107072B (2018) https://doi.org/10.1117/12.2312433

KEYWORDS: Spectrographs, Optical fibers, Stars, Spectral resolution, Astronomy, Photometry, Telescopes

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Proceedings Article | 7 August 2014 Paper

Paper

Measure fiber position errors from spectra data for LAMOST

Jian-Jun Chen, Zhong-Rui Bai, A-Li Luo, Yong-Heng Zhao

Proceedings Volume 9149, 91491N (2014) https://doi.org/10.1117/12.2055460

KEYWORDS: Telescopes, Signal to noise ratio, Spectroscopy, Astronomy, Observatories, Data modeling, CCD cameras, Photography, Charge-coupled devices, Light

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Proceedings Article | 22 July 2014 Paper

Paper

Spectroscopic survey of LAMOST

Yongheng Zhao

Proceedings Volume 9145, 914517 (2014) https://doi.org/10.1117/12.2055695

KEYWORDS: Galactic astronomy, Mirrors, Telescopes, Stars, Spectroscopy, Spectrographs, Control systems, Active optics, CCD cameras, Astronomy

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Proceedings Article | 5 October 2012 Paper

Paper

Survey of approaches for targeting quasars

Yanxia Zhang, Yong-Heng Zhao

Proceedings Volume 8451, 845135 (2012) https://doi.org/10.1117/12.925298

KEYWORDS: Stars, Spectroscopy, Galactic astronomy, Astronomy, Ultraviolet radiation, Photometry, Radio optics, Detection and tracking algorithms, Contamination, Neural networks

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Proceedings Article | 24 September 2012 Paper

Paper

Toolkit of automated database creation and cross-match

Yanxia Zhang, Hongwen Zheng, Tong Pei, Yongheng Zhao

Proceedings Volume 8451, 84511Z (2012) https://doi.org/10.1117/12.925763

KEYWORDS: Databases, Astronomy, Data integration, Computing systems, Observatories, Interfaces, Java, System integration, Data processing, Visualization

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Proceedings Article | 13 September 2012 Paper

Paper

LAMOST fiber unit positional precision passive detection exploiting the technique of template matching

Mengxin Wang, Yongheng Zhao, Ali Luo

Proceedings Volume 8450, 84503D (2012) https://doi.org/10.1117/12.925994

KEYWORDS: Optical fibers, Telescopes, Image segmentation, Image processing, Reflector telescopes, CCD cameras, Astronomy, Observatories, Light sources and illumination, Astronomical imaging

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Proceedings Article | 28 July 2010 Paper

Paper

Southern LAMOST for all sky spectroscopic survey

Xiangqun Cui, Shou-guan Wang, Ding-qiang Su, Yongheng Zhao, Ya-nan Wang, Yaoquan Chu, Guoping Li

Proceedings Volume 7733, 77330B (2010) https://doi.org/10.1117/12.856700

KEYWORDS: Spectroscopy, Optical fibers, Image quality, Telescopes, Astronomy, Astronomical imaging, Galactic astronomy, Atmospheric optics, Atmospheric corrections, Spectrographs

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Proceedings Article | 19 July 2010 Paper

Paper

Calibration of LAMOST spectral analysis

F. F. Wang, A. L. Luo, Y. H. Zhao

Proceedings Volume 7740, 774031 (2010) https://doi.org/10.1117/12.857854

KEYWORDS: Galactic astronomy, Calibration, Stars, Spectroscopy, Spectral calibration, Error analysis, Telescopes, Spectroscopic atmospheric monitoring techniques, Astronomy, Velocity measurements

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Proceedings Article | 19 July 2010 Paper

Paper

A high efficient and fast kNN algorithm based on CUDA

Tong Pei, Yanxia Zhang, Yongheng Zhao

Proceedings Volume 7740, 77402G (2010) https://doi.org/10.1117/12.856768

KEYWORDS: Astronomy, Computer programming, Observatories, Computer architecture, Detection and tracking algorithms, Parallel computing, Graphics processing units, Galactic astronomy, Stars, Visualization

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Proceedings Article | 19 July 2010 Paper

Paper

An automated algorithm for determining photometric redshifts of quasars

Dan Wang, Yanxia Zhang, Yongheng Zhao

Proceedings Volume 7740, 77402Y (2010) https://doi.org/10.1117/12.856815

KEYWORDS: Spectroscopy, Point spread functions, Galactic astronomy, Astronomy, Observatories, Photometry, Surface conduction electron emitter displays, Performance modeling, Astrophysics, Astronomical imaging

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Proceedings Article | 19 July 2010 Paper

Paper

Automated classification of pointed sources

Yanxia Zhang, Yongheng Zhao, Hongwen Zheng

Proceedings Volume 7740, 77402S (2010) https://doi.org/10.1117/12.856826

KEYWORDS: Stars, Astronomy, Feature selection, Observatories, Galactic astronomy, Feature extraction, Radio optics, Databases, Astrophysics, Algorithms

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Proceedings Article | 19 July 2010 Paper

Paper

Support vector machines for quasar selection

Nanbo Peng, Yanxia Zhang, Yongheng Zhao

Proceedings Volume 7740, 77402T (2010) https://doi.org/10.1117/12.856374

KEYWORDS: Stars, Astronomy, Spectroscopy, Performance modeling, Space telescopes, Telescopes, Statistical modeling, Astronomical imaging, Observatories, Astrophysics

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Proceedings Article | 19 July 2010 Paper

Paper

Comparison of several algorithms for celestial object classification

Nanbo Peng, Yanxia Zhang, Yongheng Zhao

Proceedings Volume 7740, 77402M (2010) https://doi.org/10.1117/12.856369

KEYWORDS: Stars, Point spread functions, Astronomy, Detection and tracking algorithms, Image classification, Observatories, Telescopes, Error analysis, Performance modeling, Astrophysics

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Proceedings Article | 19 July 2010 Paper

Paper

A simple and effective algorithm for quasar candidate selection

Nanbo Peng, Yanxia Zhang, Tong Pei, Yongheng Zhao

Proceedings Volume 7740, 77402X (2010) https://doi.org/10.1117/12.856766

KEYWORDS: Stars, Astronomy, Telescopes, Astronomical imaging, Observatories, K band, Astrophysics, Large Synoptic Survey Telescope, Data mining, Databases

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Proceedings Article | 19 July 2010 Paper

Paper

Separating quasars from stars by support vector machines

Yanxia Zhang, Hongwen Zheng, Yongheng Zhao

Proceedings Volume 7740, 77402Z (2010) https://doi.org/10.1117/12.856828

KEYWORDS: Stars, Feature selection, Astronomy, Observatories, Databases, Galactic astronomy, Astrophysics, Data analysis, Data mining, Error analysis

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Proceedings Article | 19 July 2010 Paper

Paper

Approaches for photometric redshift estimation of quasars from SDSS and UKIDSS

Dan Wang, Yan-xia Zhang, Yong-heng Zhao

Proceedings Volume 7740, 77402O (2010) https://doi.org/10.1117/12.856813

KEYWORDS: Spectroscopy, Galactic astronomy, Statistical analysis, Databases, Astronomy, Observatories, Infrared radiation, Telescopes, Astrophysics, Photometry

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Proceedings Article | 16 July 2008 Paper

Paper

An automatic system for photometric redshift estimation based on sky survey data

Dan Wang, Yan-xia Zhang, Yong-heng Zhao

Proceedings Volume 7019, 701937 (2008) https://doi.org/10.1117/12.788429

KEYWORDS: Galactic astronomy, Cardiovascular magnetic resonance imaging, Spectroscopy, Databases, Space telescopes, Astronomy, X-ray telescopes, Photometry, System integration, Telescopes

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Proceedings Article | 15 July 2008 Paper

Paper

Knowledge discovery in astronomical data

Yanxia Zhang, Hongwen Zheng, Yongheng Zhao

Proceedings Volume 7019, 701938 (2008) https://doi.org/10.1117/12.788417

KEYWORDS: Astronomy, Knowledge discovery, Data mining, Galactic astronomy, Statistical analysis, Databases, Data modeling, Stars, Data processing, Data analysis

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Proceedings Article | 15 July 2008 Paper

Paper

Predicting photometric redshifts with polynomial regression

Dan Wang, Yan-xia Zhang, Yong-heng Zhao

Proceedings Volume 7019, 70193A (2008) https://doi.org/10.1117/12.788443

KEYWORDS: Galactic astronomy, Spectroscopy, Photometry, Statistical analysis, Astronomy, Surface conduction electron emitter displays, Stars, Artificial neural networks, Systems modeling, Observatories

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Proceedings Article | 9 July 2008 Paper

Paper

System architectural design of multiwavelength data mining

Yanxia Zhang, Yongheng Zhao, Hongwen Zheng

Proceedings Volume 7017, 70171M (2008) https://doi.org/10.1117/12.788398

KEYWORDS: Data mining, Astronomy, Databases, Mining, Data modeling, Detection and tracking algorithms, Statistical analysis, X-ray astronomy, X-ray optics, Gamma radiation

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Proceedings Article | 27 June 2006 Paper

Paper

An astronomical data mining application framework for virtual observatory

Chao Liu, Dan Wang, Bo Liu, Dan Gao, Chenzhou Cui, Yongheng Zhao

Proceedings Volume 6274, 627415 (2006) https://doi.org/10.1117/12.670139

KEYWORDS: Data mining, Astronomy, Web services, Algorithm development, Prototyping, Computer programming, Medium wave, Observatories, Databases, Visualization

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Proceedings Article | 27 June 2006 Paper

Paper

Software kits for measuring photometric redshifts

Dan Wang, Yanxia Zhang, Chenzhou Cui, Yongheng Zhao

Proceedings Volume 6274, 627413 (2006) https://doi.org/10.1117/12.670136

KEYWORDS: Galactic astronomy, Cardiovascular magnetic resonance imaging, Spectroscopy, Surface conduction electron emitter displays, Matrices, Algorithm development, Artificial neural networks, Astronomy, Software development, Neural networks

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Proceedings Article | 27 June 2006 Paper

Paper

A system integrated with query, cross-matching, and visualization

Dan Gao, Yanxia Zhang, Yongheng Zhao

Proceedings Volume 6274, 627414 (2006) https://doi.org/10.1117/12.670138

KEYWORDS: Databases, Visualization, Astronomy, Visual analytics, Observatories, Data mining, System integration, Data archive systems, Cadmium sulfide, Spherical lenses

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Proceedings Article | 23 June 2006 Paper

Paper

Test observations and spectral analysis preparation for part LAMOST

A-Li Luo, Yong-Heng Zhao

Proceedings Volume 6267, 626716 (2006) https://doi.org/10.1117/12.670695

KEYWORDS: Stars, Galactic astronomy, Telescopes, Mirrors, Optical fibers, Data modeling, Metals, Analytical research, Photometry, Spectroscopy

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Proceedings Article | 23 June 2006 Paper

Paper

2-m LAMOST-type telescope for the Antarctic

Xiangqun Cui, Yongheng Zhao, Yanan Wang, Guoping Li

Proceedings Volume 6267, 62671J (2006) https://doi.org/10.1117/12.671265

KEYWORDS: Telescopes, Spectroscopy, Mirrors, Reflector telescopes, Image quality, Astronomy, Astronomical telescopes, Spherical lenses, Diffraction, Atmospheric modeling

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Proceedings Article | 28 September 2004 Paper

Paper

Atmospheric refraction effect and its correction in LAMOST

Haotong Zhang, Yongheng Zhao, Huoming Shi

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.550852

KEYWORDS: Refraction, Telescopes, Monte Carlo methods, Image filtering, Atmospheric corrections, Observatories, Galactic astronomy, Spectroscopy, Computer simulations, Tolerancing

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Proceedings Article | 16 September 2004 Paper

Paper

Mining the LAMOST spectral archive

A-Li Luo, Yan-Xia Zhang, Jian-Nan Zhang, Yong-Heng Zhao

Proceedings Volume 5493, (2004) https://doi.org/10.1117/12.551641

KEYWORDS: Galactic astronomy, Principal component analysis, Data archive systems, Data mining, Mining, Databases, Data modeling, Astronomy, Spectroscopy, Stars

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Proceedings Article | 16 September 2004 Paper

Paper

An automated classification algorithm for multiwavelength data

Yan-Xia Zhang, A-Li Luo, Yong-Heng Zhao

Proceedings Volume 5493, (2004) https://doi.org/10.1117/12.550982

KEYWORDS: Feature selection, Galactic astronomy, X-rays, X-ray optics, Detection and tracking algorithms, Data mining, Infrared radiation, Stars, Astronomy, Observatories

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Proceedings Article | 16 September 2004 Paper

Paper

Outlier detection in astronomical data

Yan-Xia Zhang, A-Li Luo, Yong-Heng Zhao

Proceedings Volume 5493, (2004) https://doi.org/10.1117/12.550998

KEYWORDS: Astronomy, Data mining, Knowledge discovery, Statistical analysis, Algorithm development, Databases, Observatories, Data archive systems, Galactic astronomy, Visualization

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Proceedings Article | 16 September 2004 Paper

Paper

Integrating existing software toolkits into VO system

Chenzhou Cui, Yong-Heng Zhao, Xiaoqian Wang, Jian Sang, Ze Luo

Proceedings Volume 5493, (2004) https://doi.org/10.1117/12.550970

KEYWORDS: Java, Astronomy, Observatories, Software development, Visualization, Statistical analysis, Computer programming, Computer programming languages, Interfaces, Galactic astronomy

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Proceedings Article | 15 September 2004 Paper

Paper

Design and implementation of the spectra reduction and analysis software for LAMOST Telescope

A-Li Luo, Yan-Xia Zhang, Yong-Heng Zhao

Proceedings Volume 5496, (2004) https://doi.org/10.1117/12.548737

KEYWORDS: Galactic astronomy, Databases, Spectroscopy, Data modeling, Human-machine interfaces, Principal component analysis, Telescopes, Stars, Spectrographs, Spectral calibration

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Proceedings Article | 30 January 2003 Paper

Paper

Classifying spectra based on DLS and rough set

Bo Qiu, Zhanyi Hu, Yongheng Zhao

Proceedings Volume 4793, (2003) https://doi.org/10.1117/12.452386

KEYWORDS: Beryllium, Stars, Telescopes, Optical filters, Pattern recognition, Signal processing, Explosives, Astronomy, Mathematics, Databases

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Proceedings Article | 19 December 2002 Paper

Paper

New automated classification technique of galaxy spectra with Z<1.2 based on PCA-ODP

Dongmei Qin, Zhanyi Hu, Yongheng Zhao

Proceedings Volume 4847, (2002) https://doi.org/10.1117/12.460379

KEYWORDS: Galactic astronomy, Silver, Principal component analysis, Astronomy, Feature extraction, Associative arrays, Observatories, Antimony, Image classification, Pattern recognition

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Proceedings Article | 19 December 2002 Paper

Paper

Classification of AGNs from stars and normal galaxies by surport vector machines

Yanxia Zhang, Chenzhou Cui, Yongheng Zhao

Proceedings Volume 4847, (2002) https://doi.org/10.1117/12.460412

KEYWORDS: Galactic astronomy, X-ray optics, Stars, X-rays, Infrared radiation, Astronomy, Active optics, Geometrical optics, Observatories, Neural networks

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Proceedings Article | 25 September 2001 Paper

Paper

Pseudotriangle technique for redshift identification of celestial spectrums

Bo Qiu, Zhanyi Hu, Yongheng Zhao

Proceedings Volume 4548, (2001) https://doi.org/10.1117/12.441383

KEYWORDS: Data modeling, Astronomy, Galactic astronomy, Astatine, Observatories, Feature extraction, Telescopes, Interference (communication), Signal detection, Process modeling

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Proceedings Article | 24 September 2001 Paper

Paper

Automated classification of stellar spectra based on PCA and wavelet transform

Dongmei Qin, Zhanyi Hu, Yongheng Zhao

Proceedings Volume 4554, (2001) https://doi.org/10.1117/12.441649

KEYWORDS: Principal component analysis, Wavelet transforms, Wavelets, Fuzzy logic, Image classification, Absorption, Astronomy, Stars, Classification systems, Pattern recognition

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Proceedings Article | 25 July 2000 Paper

Paper

Observatory Control System of the LAMOST

Yongheng Zhao

Proceedings Volume 4010, (2000) https://doi.org/10.1117/12.392504

KEYWORDS: Telescopes, Control systems, Data archive systems, Observatories, Data processing, Human-machine interfaces, Spectroscopes, Galactic astronomy, Databases, Cameras

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Showing 5 of 37 publications

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