A Time Domain Reconstruction Method for High Frequency Remote Sensing Time Series Data

A technology of time series and data, applied in image data processing, image enhancement, image analysis, etc., can solve the problem that high-frequency remote sensing time series cannot be effectively reconstructed, and achieve reconstruction trace elimination, reliable support, and improved quality and reliability Effect

Active Publication Date: 2020-01-31
NINGBO UNIV
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Problems solved by technology

[0004] The present invention aims at the shortcomings of the prior art that the high-frequency remote sensing time series cannot be effectively reconstructed, and proposes an easy-to-implement, high-efficiency, and highly practical time-domain reconstruction method for high-frequency remote sensing time-series data

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  • A Time Domain Reconstruction Method for High Frequency Remote Sensing Time Series Data
  • A Time Domain Reconstruction Method for High Frequency Remote Sensing Time Series Data
  • A Time Domain Reconstruction Method for High Frequency Remote Sensing Time Series Data

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[0027] The present invention will be further described below in conjunction with the examples. The description of the following examples is provided only to aid the understanding of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0028] The technical scheme of the present invention can adopt computer software to realize the automatic operation process. The following combination figure 1 The steps of time domain reconstruction of high frequency remote sensing time series data are described in detail.

[0029] Step 1, the time-domain reconstruction method for high-frequency time series data proposed by the present invention first performs time-domain filtering on the multi-day synthetic r...

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Abstract

The invention relates to a time domain reconstruction method for high-frequency remote sensing time sequence data. The method comprises the following steps: 1, time domain filtering is carried out on remote sensing time sequence data synthesized in multiple days, and high-quality multiday-synthesized remote sensing time sequence data are obtained; 2, time domain interpolation reconstruction is carried out on the high-quality multiday-synthesized remote sensing time sequence data generated in the first step, and high-frequency remote sensing time sequence data with the consistent time resolution with the target data are obtained; 3, with the original high-frequency time sequence data as a standard, similar high-frequency remote sensing time sequence data are subjected to normalization processing; 4, the similar high-frequency remote sensing time sequence data are subjected to truth value reduction; and 5, Poisson correction is carried out on low-quality high-frequency remote sensing time sequence data. The method of the invention can effectively eliminate influences from factors such as clouds, the quality and the reliability of the remote sensing time sequence data are improved, and a reliable support is provided for follow-up application.

Description

technical field [0001] The invention relates to a time-domain reconstruction method, in particular to a time-domain reconstruction method for high-frequency remote sensing time series data. Background technique [0002] High-frequency satellite sensors can provide remote sensing data with high temporal resolution. For example, NOAA Advanced Very High Resolution (AVHRR) can observe the same area on the ground twice a day, Terra / AquaModerate Resolution Imaging Spectroradiometer (MODIS) can observe the earth once a day, and geostationary satellites can obtain high time resolution in seconds rate remote sensing data. Through these sensors, we can obtain satellite remote sensing time series data of more than 30 years. However, the data acquisition process will inevitably be affected by the atmospheric environment or sensor failure, and information loss will occur, which hinders the normal use of remote sensing images. Therefore, it is a significant topic to develop a reasonabl...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/50
CPCG06T5/50G06T2207/10032G06T2207/20182
Inventor 杨刚孙伟伟卓文静马俊
Owner NINGBO UNIV
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