FUSION METHOD FOR MULTIMODAL REMOTE SENSING DATA BASED ON DEDICATED AND SHARED ARCHITECTURE

    公开(公告)号:EP4390866A1

    公开(公告)日:2024-06-26

    申请号:EP23211257.3

    申请日:2023-11-21

    IPC分类号: G06V10/80 G06V10/82 G06V20/13

    摘要: The present disclosure relates to the field of remote sensing data processing, and in particular to a fusion method for multimodal data based on dedicated and shared architecture. The method includes: obtaining multiple pieces of initial remote sensing data of a region of interest, performing data correction processing using a dedicated network to generate intermediate remote sensing data, obtaining a confidence value using a shared feature association network, performing replacement processing based on the confidence value to generate sub fused remote sensing data, and generating fused remote sensing data of the region of interest based on all pieces of sub fused remote sensing data and modal weights. With the present disclosure, data correction processing is performed on each of the pieces of initial remote sensing data and fusion processing is performed on the remote sensing data having different modal types, any combination of modal remote sensing data can be used, and fused remote sensing data with higher richness and accuracy in representing the ground feature information is generated, improving the availability of the fused remote sensing data to facilitate the fused remote sensing data adapting to various remote sensing interpretation tasks, and improving the efficiency of earth observation.

    WIDEBAND BEAM BROADENING FOR PHASED ARRAY ANTENNA SYSTEMS

    公开(公告)号:EP3352299A1

    公开(公告)日:2018-07-25

    申请号:EP17208555.7

    申请日:2017-12-19

    发明人: SHAPOURY, Alireza

    摘要: A multi-mode phased array antenna ("MPAA") is disclosed. The MPAA has at least two modes of operation, where a first mode of operation produces a first main-beam and a second mode of operation produces a second beam. The MPAA includes a plurality of radiating elements arranged as an array of radiating elements and a controller in signal communication with the plurality of radiating elements. The controller is configured to excite the plurality of radiating elements to produce a first radiation pattern having the first main-beam in the first mode of operation and a second radiation pattern having the second beam in the second mode of operation. The second beam is wider than the first main-beam and the second radiation pattern is similar to a radiation pattern for a single radiating element of the plurality of radiating elements. The controller also switches between the first mode and second mode of operation.

    TERRESTRIAL IMAGING USING MULTI-POLARIZATION SYNTHETIC APERTURE RADAR
    5.
    发明公开
    TERRESTRIAL IMAGING USING MULTI-POLARIZATION SYNTHETIC APERTURE RADAR 审中-公开
    利用多极化合成孔径雷达进行地面成像

    公开(公告)号:EP3320368A2

    公开(公告)日:2018-05-16

    申请号:EP16852231.6

    申请日:2016-07-06

    IPC分类号: G01S13/90

    摘要: An embodiment of a method for processing synthetic aperture radar (SAR) image data includes acquiring a multi-polarization SAR image of a terrestrial region, pre-processing the SAR image to remove or reduce radiometric and geometric errors, and separating the SAR image into a plurality of channels, each channel representing an image associated with a different polarization mode. The method also includes calculating a characteristic of the region for each polarization channel, acquiring ground data and estimating the characteristic of the region based on the ground data, estimating a correlation of the calculated characteristic for each polarization channel with the estimated characteristic based on the ground data, selecting one or more polarization channels having a correlation exceeding a selected value, and generating a SAR image including only the selected polarization channels based on the comparison.

    METHOD AND DEVICE FOR REAL-TIME PROCESSING OF ELEVATION DIGITAL BEAM-FORMING
    9.
    发明公开
    METHOD AND DEVICE FOR REAL-TIME PROCESSING OF ELEVATION DIGITAL BEAM-FORMING 审中-公开
    VERFAHREN UND VORRICHTUNG ZUR ECHTZEITARBEITUNG VON DIGITALER STRAHLFORMUNG IN ELEVATION

    公开(公告)号:EP3147687A1

    公开(公告)日:2017-03-29

    申请号:EP16161226.2

    申请日:2016-03-18

    IPC分类号: G01S13/90

    CPC分类号: G01S13/90

    摘要: Disclosed is a real-time elevation DBF processing method, which includes: weighting and summing processing is performed on an intermediate frequency signal obtained from sampling made on each channel to obtain two channels of combined intermediate frequency signals; frequency mixing-based orthogonal demodulation is performed on signals in real number field of the two channels of combined intermediate frequency signals respectively; and cross summation is performed on two channels of demodulated intermediate frequency signals and resulting signals are low-pass filtered. Further disclosed is a real-time elevation DBF processing device.

    摘要翻译: 公开了一种实时高程DBF处理方法,包括:对从每个通道进行取样获得的中频信号进行加权和求和处理,以获得两个组合的中频信号; 分别对组合中频信号的两个信道的实数字段中的信号进行基于频率混合的正交解调; 并且对两个解调的中频信号进行交叉求和,并且所得到的信号被低通滤波。 另外公开了一种实时高程DBF处理装置。

    METHOD AND SYSTEM FOR RENDERING A SYNTHETIC APERTURE RADAR IMAGE
    10.
    发明公开
    METHOD AND SYSTEM FOR RENDERING A SYNTHETIC APERTURE RADAR IMAGE 审中-公开
    VERFAHREN UND SYSTEM ZUM RENDERING EINES BILDES EINES RADARS MIT SYNTHETISCHER APERTUR

    公开(公告)号:EP3132283A1

    公开(公告)日:2017-02-22

    申请号:EP14889570.9

    申请日:2014-04-14

    申请人: Vricon Systems AB

    IPC分类号: G01S13/90 G01C11/00 G06T17/05

    摘要: The present disclosure relates to a method (100) for rendering a simulated Synthetic Aperture Radar, SAR, image. The method comprises providing (110) a digital surface model or the like comprising 3D coordinate data in a geo-referenced coordinate system, determining (120) a sub-section of the digital surface model, and obtaining (130) the simulated SAR image based on the subsection of the digital surface model, wherein substantially each point in the simulated SAR image being associated to a 3D coordinate in the geo-referenced coordinate system.

    摘要翻译: 本公开涉及一种用于渲染模拟合成孔径雷达(SAR)图像的方法(100)。 该方法包括在地理参考坐标系中提供(110)包括3D坐标数据的数字表面模型等,确定(120)数字表面模型的子部分,并且获得(130)基于模拟的SAR图像 在数字表面模型的子部分上,其中模拟SAR图像中的实质上每个点与地理参考坐标系中的3D坐标相关联。