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Zhuang et al., 2015 - Google Patents

Ground peak identification in dense shrub areas using large footprint waveform LiDAR and Landsat images

Zhuang et al., 2015

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Document ID
17665794206871447101
Author
Zhuang W
Mountrakis G
Publication year
Publication venue
International Journal of Digital Earth

External Links

Snippet

Large footprint waveform LiDAR data have been widely used to extract tree heights. These heights are typically estimated by subtracting the top height from the ground. Compared to the top height detection, the identification of the ground peak in a waveform is more …
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    • G06K9/0063—Recognising patterns in remote scenes, e.g. aerial images, vegetation versus urban areas
    • G06K9/00657—Recognising patterns in remote scenes, e.g. aerial images, vegetation versus urban areas of vegetation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06T2207/10032—Satellite or aerial image; Remote sensing
    • G—PHYSICS
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    • G06K9/62—Methods or arrangements for recognition using electronic means
    • G06K9/6217—Design or setup of recognition systems and techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30244—Information retrieval; Database structures therefor; File system structures therefor in image databases
    • G—PHYSICS
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    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46—Extraction of features or characteristics of the image
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    • G06—COMPUTING; CALCULATING; COUNTING
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