CASIA OpenIR  > 09年以前成果
Wavelet transform zero-crossing method for auto-extraction of spectral lines
Zhao, RZ; Hu, ZY; Zhao, YH
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
2005
Volume25Issue:1Pages:153-156
SubtypeArticle
AbstractWavelet transform method is used in this paper. The authors firstly studied the properties of spectral lines in the wavelet domain. By introducing the items of up-zero-crossings and down-zero-crossings, the authors concluded that absorption lines and emission lines correspond to different kinds of zero-crossings. Therefore the authors presented a new wavelet transform zero-crossing method for the extraction of spectral lines and the normalization of continuum spectra. The useful spectral lines can be obtained together with the continuum spectra. The extraction of spectral lines in this paper is a direct method, which avoids the errors caused during the process of noise reduction. The experiments both on stars, and nearby galaxies show that our method can be used to accurately extract the spectral lines, which is helpful to the computation of characteristic parameters and the automatic classification of spectra based on spectral lines.
KeywordWavelet Transform Astronomical Spectra Spectral Line Extraction Zero-crossings
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000226823200039
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9149
Collection09年以前成果
Affiliation1.Chinese Acad Sci, Inst Automat, Natl Lab Patter Recognit, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Zhao, RZ,Hu, ZY,Zhao, YH. Wavelet transform zero-crossing method for auto-extraction of spectral lines[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2005,25(1):153-156.
APA Zhao, RZ,Hu, ZY,&Zhao, YH.(2005).Wavelet transform zero-crossing method for auto-extraction of spectral lines.SPECTROSCOPY AND SPECTRAL ANALYSIS,25(1),153-156.
MLA Zhao, RZ,et al."Wavelet transform zero-crossing method for auto-extraction of spectral lines".SPECTROSCOPY AND SPECTRAL ANALYSIS 25.1(2005):153-156.
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