BR112018011458A2 - detecção de nuvem em imagens de sensoriamento remoto - Google Patents

detecção de nuvem em imagens de sensoriamento remoto

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Publication number
BR112018011458A2
BR112018011458A2 BR112018011458A BR112018011458A BR112018011458A2 BR 112018011458 A2 BR112018011458 A2 BR 112018011458A2 BR 112018011458 A BR112018011458 A BR 112018011458A BR 112018011458 A BR112018011458 A BR 112018011458A BR 112018011458 A2 BR112018011458 A2 BR 112018011458A2
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Brazil
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cloud
stage
pixels
clouds
remote sensing
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BR112018011458A
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English (en)
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BR112018011458B1 (pt
Inventor
gerard Jeffrey
Khadka Pramithus
Guan Wei
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Climate Corp
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Publication date
Application filed by Climate Corp filed Critical Climate Corp
Publication of BR112018011458A2 publication Critical patent/BR112018011458A2/pt
Publication of BR112018011458B1 publication Critical patent/BR112018011458B1/pt

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    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
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    • G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
    • G06F18/2148—Generating training patterns; Bootstrap methods, e.g. bagging or boosting characterised by the process organisation or structure, e.g. boosting cascade
    • G—PHYSICS
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Abstract

a presente invenção se refere a um sistema para detectar nuvens e sombras de nuvem. em uma abordagem, as nuvens e as sombras de nuvem dentro de uma imagem de sensoriamento remoto são detectadas através de um processo de três etapas. no primeiro estágio, um classificador de baixa revocação e de alta precisão é usado para identificar pixels de semente de nuvem dentro da imagem. no segundo estágio, um classificador de alta revocação e de baixa precisão é usado para identificar pixels de nuvem potenciais dentro da imagem. adicionalmente, no segundo estágio, os pixels de semente de nuvem são desenvolvidos nos pixels de nuvem potenciais para identificar agrupamentos de pixels que têm uma alta probabilidade de representar nuvens. no terceiro estágio, uma técnica geométrica é usada para determinar os pixels que provavelmente representam sombras difundidas pelas nuvens identificadas no segundo estágio. as nuvens identificadas no segundo estágio e as sombras identificadas no terceiro estágio são, então, exportadas como uma máscara de nuvem e máscara de nuvem da imagem de sensoriamento remoto.
BR112018011458-8A 2015-12-07 2016-11-15 Método, mídia de armazenamento não transitória e sistema de processamento de dados BR112018011458B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/960,921 2015-12-07
US14/960,921 US9721181B2 (en) 2015-12-07 2015-12-07 Cloud detection on remote sensing imagery
PCT/US2016/061990 WO2017099951A1 (en) 2015-12-07 2016-11-15 Cloud detection on remote sensing imagery

Publications (2)

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BR112018011458A2 true BR112018011458A2 (pt) 2018-11-27
BR112018011458B1 BR112018011458B1 (pt) 2023-03-07

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US (5) US9721181B2 (pt)
EP (1) EP3391099A4 (pt)
AR (1) AR106922A1 (pt)
AU (1) AU2016369263B2 (pt)
BR (1) BR112018011458B1 (pt)
CA (1) CA3007184C (pt)
UA (1) UA123591C2 (pt)
WO (1) WO2017099951A1 (pt)
ZA (1) ZA201803757B (pt)

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