Research on Small-Type and High-Spectral-Resolution Grating Monochromator

	Research on Small-Type and High-Spectral-Resolution Grating Monochromator
	Yang, Z. P.; Y. G. Tang; Bayanheshig; J. C. Cui and J. Yang
	2016
发表期刊	Spectroscopy and Spectral Analysis
卷号	36 期号:1
摘要	Identifying fronts manually from satellite images is a tedious and subjective task. Accordingly, edge detection algorithms are introduced for automatic detection of fronts. However, traditional algorithms cannot be applied to cloud-contaminated images, because missing data caused by occasional cloud coverage interferes with front detection. To diminish this risk, this letter proposes a new algorithm for a quick and an accurate detection of fronts from an instant cloud-contaminated sea surface temperature (SST) image, instead of depending on the daily or weekly averaged SST images. This algorithm adopts a data-driven analog interpolation method, which estimates missing values from the historical data of the same region. After reducing the contour between the interpolated data and the original data, an instant front detection algorithm is proposed based on microcanonical multiscale formalism (MMF). The algorithm utilizes MMF to detect singularity exponents (SEs), and then enhances the features detected in a cloud-contaminated region. Finally, a threshold is set to extract fronts from SE. Experimental results on an AVHRR satellite SST image of 12:00 o'clock covering China Coastal waters confirmed the effectiveness of the proposed algorithm.
文章类型	期刊
收录类别	SCI ; EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57361
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Yang, Z. P.,Y. G. Tang,Bayanheshig,et al. Research on Small-Type and High-Spectral-Resolution Grating Monochromator[J]. Spectroscopy and Spectral Analysis,2016,36(1).
APA	Yang, Z. P.,Y. G. Tang,Bayanheshig,&J. C. Cui and J. Yang.(2016).Research on Small-Type and High-Spectral-Resolution Grating Monochromator.Spectroscopy and Spectral Analysis,36(1).
MLA	Yang, Z. P.,et al."Research on Small-Type and High-Spectral-Resolution Grating Monochromator".Spectroscopy and Spectral Analysis 36.1(2016).

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