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A radiation normalization method and system thereof

A technology of normalization and radiation distribution, which is applied in the field of radiation normalization method and its system, can solve the problem that it is difficult to meet the needs of massive multi-source heterogeneous image processing, achieve good results, improve efficiency, and reduce workload

Active Publication Date: 2021-10-01
江苏省测绘研究所
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Problems solved by technology

This method also belongs to distribution-based relative radiation correction, and the adjustment effect is good, but it relies entirely on manual processing, and can only be used for three-band data, which is difficult to meet the processing needs of massive multi-source heterogeneous images

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  • A radiation normalization method and system thereof
  • A radiation normalization method and system thereof
  • A radiation normalization method and system thereof

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Embodiment Construction

[0026] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0027] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood...

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Abstract

The present invention provides a radiation normalization method and system thereof. The radiation normalization method includes the following steps: according to specific image data, select a region with a stable surface state with relatively stable spectral characteristics; Perform radiation distribution statistics on multiple time-phase image data in a stable area to obtain the radiation distribution characteristics of each time-phase image; select one of the time-phase images as a standard, and use the radiation distribution characteristics of multiple time-phases value, establish and solve equations for converting other time-phase images to the standard. The radiation normalization method of the invention improves the detection accuracy of remote sensing image changes.

Description

technical field [0001] The invention relates to the field of remote sensing image processing, in particular to a radiation normalization method and system thereof. Background technique [0002] Remote sensing image change detection is a technical method for using remote sensing images to understand surface changes. It is one of the important application directions of remote sensing. It has the advantages of comprehensiveness, efficiency and objectivity. It has been widely used in natural disaster assessment and other fields. Remote sensing image change detection is mainly based on remote sensing images of the same area acquired at different times, and through analysis and calculation interpretation, the surface changes in the area are obtained. However, due to the influence of factors such as seasons, illumination, atmosphere, sensors, and carrying platforms, there are different degrees of radiation differences between multi-temporal remote sensing data, which leads to the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V20/13
Inventor 丁龙远张戬高雅蔡勇徐建刚谈帅
Owner 江苏省测绘研究所
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