Title:
ORTHOGRAPHIC RECTIFICATION METHOD AND APPARATUS FOR HYPERSPECTRAL IMAGE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/088487
Kind Code:
A1
Abstract:
Provided in the present application are an orthographic rectification method and apparatus for a hyperspectral image, and a storage medium. The method comprises: acquiring panchromatic image data corresponding to hyperspectral image data to be rectified (S101); sequentially performing feature extraction and feature matching on the panchromatic image data, so as to obtain target exterior orientation elements corresponding to the panchromatic image data (S102); performing spatial front intersection calculation and grid construction on the target exterior orientation elements, so as to obtain a regular grid (S103); and performing orthographic rectification on the hyperspectral image data according to the target exterior orientation elements and the regular grid, so as to obtain an orthographic image corresponding to a hyperspectral image (S104). The effect of a land feature type of an observation area on orthographic rectification can be avoided, thereby improving the accuracy of orthographic rectification.
Inventors:
ZHOU JIAN (CN)
HUANG JIAWEI (CN)
LI SONG (CN)
HE HU (CN)
HUANG JIAWEI (CN)
LI SONG (CN)
HE HU (CN)
Application Number:
PCT/CN2022/133512
Publication Date:
May 25, 2023
Filing Date:
November 22, 2022
Export Citation:
Assignee:
CHINA MOBILE CHENGDU INFORMATION&TELECOMMUNICATION TECH CO LTD (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
International Classes:
G01C11/34
Foreign References:
| CN111003214A | 2020-04-14 | |||
| CN103823981A | 2014-05-28 | |||
| CN112393714A | 2021-02-23 | |||
| CN113627357A | 2021-11-09 | |||
| US6757445B1 | 2004-06-29 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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