To provide a learning method which relatively increases accuracy of a high-resolution image generated by inputting an actual low-resolution image to a learned model in the learning method of a resolution improvement model for an SAR image.SOLUTION: A resolution improvement system includes a learning device 20. The learning device 20 learns a learned model for executing super resolution processing by using data for learning consisting of a high-resolution full-aperture image DIN2 generated by executing image regeneration processing using a pulse reflected in each irradiation region and a low-resolution sub-aperture image DIN1 generated by executing image regeneration processing using a portion of the pulse used when generating the high-resolution full-aperture image DIN2.SELECTED DRAWING: Figure 4

    【課題】SAR画像向けの高分解能化モデルの学習方法において、実際の低解像度画像を学習済モデルに入力することによって生成される高解像度画像の精度が比較的高くなるような学習方法を提供したい。【解決手段】高分解能化システムは学習装置20を備える。学習装置20は、照射領域それぞれにおいて反射したパルスを用いて画像再生処理を実行することにより生成された高解像度フルアパーチャ画像DIN2と、高解像度フルアパーチャ画像DIN2を生成する際に用いたパルスの一部を用いて画像再生処理を実行することにより生成された低解像度サブアパーチャ画像DIN1とから成る学習用データを用いて、超解像処理を実行するための学習済モデルを学習する。【選択図】図4


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    Title :

    RESOLUTION IMPROVEMENT SYSTEM, RESOLUTION IMPROVEMENT METHOD AND RESOLUTION IMPROVEMENT PROGRAM


    Additional title:

    高分解能化システム、高分解能化方法、及び高分解能化プログラム


    Contributors:

    Publication date :

    2023-09-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B64G Raumfahrt , COSMONAUTICS / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



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