WO2018028191A8 - 一种基于波段比模型和太阳高度角的tavi计算方法 - Google Patents

一种基于波段比模型和太阳高度角的tavi计算方法 Download PDF

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WO2018028191A8
WO2018028191A8 PCT/CN2017/076022 CN2017076022W WO2018028191A8 WO 2018028191 A8 WO2018028191 A8 WO 2018028191A8 CN 2017076022 W CN2017076022 W CN 2017076022W WO 2018028191 A8 WO2018028191 A8 WO 2018028191A8
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tavi
elevation angle
waveband
solar elevation
calculation method
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PCT/CN2017/076022
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French (fr)
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WO2018028191A1 (zh
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江洪
汪小钦
陈崇成
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福州大学
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Priority claimed from CN201610648417.8A external-priority patent/CN106324614B/zh
Priority claimed from CN201611127461.0A external-priority patent/CN106600586B/zh
Application filed by 福州大学 filed Critical 福州大学
Priority to US15/740,011 priority Critical patent/US10527542B2/en
Publication of WO2018028191A1 publication Critical patent/WO2018028191A1/zh
Publication of WO2018028191A8 publication Critical patent/WO2018028191A8/zh

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/10Terrestrial scenes
    • G06V20/188Vegetation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1793Remote sensing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1793Remote sensing
    • G01N2021/1797Remote sensing in landscape, e.g. crops

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

一种基于波段比模型和太阳高度角的TAVI计算方法,包括以下步骤:影像预处理得到遥感影像表观反射率数据,分析影像质量与数值分布,计算阴影植被指数SVI,构建TAVI组合算法:TAVI=Bir/Br+f(Δ)⋅1/Br,用太阳高度角计算调节因子f(Δ),最后得到抗地形影响的TAVI植被信息;TAVI由RVI和SVI两个波段比子模型构成,分母都为遥感影像红光波段数据,调节因子f(Δ)以太阳高度角作为计算参数,并引入传感器因子,具有较强的物理意义;该TAVI计算方法无需DEM数据和遥感影像分类,同时不依赖于地面调查数据,并确保TAVI能有效消除地形影响对植被信息的干扰,避免了由于遥感影像与DEM数据配准精度差异导致的地物植被信息反演精度下降的问题。
PCT/CN2017/076022 2016-08-10 2017-03-09 一种基于波段比模型和太阳高度角的tavi计算方法 WO2018028191A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/740,011 US10527542B2 (en) 2016-08-10 2017-03-19 Method of calculating TAVI based on a band ratio model and solar altitude angle

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201610648417.8 2016-08-10
CN201610648417.8A CN106324614B (zh) 2016-08-10 2016-08-10 一种新的tavi组合算法
CN201611127461.0A CN106600586B (zh) 2016-12-09 2016-12-09 一种基于太阳高度角的tavi调节因子算法
CN201611127461.0 2016-12-09

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WO2018028191A8 true WO2018028191A8 (zh) 2023-03-30

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