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    The Image Navigation Cloud Mask for the Multiangle Imaging Spectroradiometer (MISR)

    Source: Journal of Atmospheric and Oceanic Technology:;1995:;volume( 012 ):;issue: 006::page 1215
    Author:
    Girolamo, Larry Di
    ,
    Davies, Roger
    DOI: 10.1175/1520-0426(1995)012<1215:TINCMF>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The authors have developed a cloud mask technique that may be applied to the efficient selection of ?clear enough? scenes for image navigation. While the mask can be applied generally, the motivation for its development comes from its intended use on Multiangle Imaging Spectroradiometer (MISR) imagery. The difficulties in detecting clouds in the presence of land?water boundaries when using prenavigated imagery is overcome by using a simple two-step direct threshold technique. The two steps involve the thresholding of two observables derived for each pixel. The first is a 0.86-?m reflectance. The second is a new observable, D = | NDVI |bR1?2, where NDVI = (R2 ? R1)(R2 + R1)?1, R2 is the 0.86-?m reflectance, R1 is the 0.67-?m reflectance, and b is chosen so as to maximize the separation between clear and cloudy pixels. The success of the cloud mask is shown by applying it to degraded AVIRIS data. The authors make comparisons with a more popular NDVI technique to show the advantage of our method.
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      The Image Navigation Cloud Mask for the Multiangle Imaging Spectroradiometer (MISR)

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4146191
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    • Journal of Atmospheric and Oceanic Technology

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    contributor authorGirolamo, Larry Di
    contributor authorDavies, Roger
    date accessioned2017-06-09T14:01:11Z
    date available2017-06-09T14:01:11Z
    date copyright1995/12/01
    date issued1995
    identifier issn0739-0572
    identifier otherams-1101.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4146191
    description abstractThe authors have developed a cloud mask technique that may be applied to the efficient selection of ?clear enough? scenes for image navigation. While the mask can be applied generally, the motivation for its development comes from its intended use on Multiangle Imaging Spectroradiometer (MISR) imagery. The difficulties in detecting clouds in the presence of land?water boundaries when using prenavigated imagery is overcome by using a simple two-step direct threshold technique. The two steps involve the thresholding of two observables derived for each pixel. The first is a 0.86-?m reflectance. The second is a new observable, D = | NDVI |bR1?2, where NDVI = (R2 ? R1)(R2 + R1)?1, R2 is the 0.86-?m reflectance, R1 is the 0.67-?m reflectance, and b is chosen so as to maximize the separation between clear and cloudy pixels. The success of the cloud mask is shown by applying it to degraded AVIRIS data. The authors make comparisons with a more popular NDVI technique to show the advantage of our method.
    publisherAmerican Meteorological Society
    titleThe Image Navigation Cloud Mask for the Multiangle Imaging Spectroradiometer (MISR)
    typeJournal Paper
    journal volume12
    journal issue6
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/1520-0426(1995)012<1215:TINCMF>2.0.CO;2
    journal fristpage1215
    journal lastpage1228
    treeJournal of Atmospheric and Oceanic Technology:;1995:;volume( 012 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian