Noctilucent remote sensing image high-resolution reconstruction method based on semantics

A remote sensing image, high-resolution technology, applied in image analysis, image enhancement, graphics and image conversion, etc., can solve the problem of low spatial resolution of night light data, and achieve rich and accurate light radiation intensity and light spatial distribution details Effect

Active Publication Date: 2022-07-22
WUHAN UNIV
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Problems solved by technology

[0004] The present invention solves the problem of low spatial resolution of night light data in the prior art by providing a high-resolution reconstruction method for night light remote sensing images based on semantics

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  • Noctilucent remote sensing image high-resolution reconstruction method based on semantics
  • Noctilucent remote sensing image high-resolution reconstruction method based on semantics
  • Noctilucent remote sensing image high-resolution reconstruction method based on semantics

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[0036]The study found that the nighttime light radiation of different semantics has significant source differences, and at the same time, the nighttime light radiation of different semantics can be described using the corresponding data. First of all, the night lights observed by satellites mainly come from roads. The roads are mainly linear and have a wide distribution range. The road lights mainly contribute to the ground reflection, and the noctilucent radiation contributes the most. For the road light radiation, the use of high-resolution road Web data is described. Secondly, it is the light radiation in artificial buildings such as commercial areas, ports, docks, airports and residential areas. This part of the light is mainly dominated by direct radiation and scattering from the sky. The light radiation in commercial areas, ports, docks, and airports is strong, but the radiation area Small, the light radiation area of ​​the residential area is large, but the intensity is...

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Abstract

The invention belongs to the technical field of noctilucent remote sensing image processing, and discloses a noctilucent remote sensing image high-resolution reconstruction method based on semantics. According to the method, the light semantic information is fused in the high-spatial-resolution reconstruction process of the noctilucent remote sensing image, the light semantic information serves as constraint information in the reconstruction process, the high-spatial-resolution noctilucent remote sensing image can be obtained, and then the requirements of application such as long-time historical data analysis and fine modeling can be met.

Description

technical field [0001] The invention belongs to the technical field of luminous remote sensing image processing, and more particularly relates to a semantic-based high-resolution reconstruction method of luminous remote sensing images. Background technique [0002] As an important branch of active development, nighttime light remote sensing has received more and more attention from the fields of natural science and social economy in recent years. The surface light intensity information recorded by night light remote sensing data used in night light remote sensing more directly reflects the differences in human activities, so it is widely used in population estimation, urbanization process research, spatial estimation of socioeconomic indicators, major event assessment, and ecological environment assessment. , urban development and its spatial structure analysis. [0003] At present, there are two commonly used open source global-scale long-period observation night light dat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40G06T5/00G06T7/11G06T7/33G06V10/774G06K9/62
CPCG06T3/4076G06T7/33G06T5/002G06T3/4038G06T7/11G06T2207/10032G06T2207/20132G06T2200/32G06F18/214Y02A90/10
Inventor 巫兆聪徐卫星闫钊
Owner WUHAN UNIV
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