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    MULTI-CAMERA SYSTEM FOR ALTITUDE ESTIMATION
    2.
    发明申请
    MULTI-CAMERA SYSTEM FOR ALTITUDE ESTIMATION 有权

    公开(公告)号：US20220198692A1

    公开(公告)日：2022-06-23

    申请号：US17131219

    申请日：2020-12-22

    Applicant: BAE Systems Information and Electronic Systems Integration Inc.

    Inventor： Stephen P. DelMarco ,  Victor T. Tom

    IPC: G06T7/55 ,  G06T7/30 ,  H04N5/247 ,  G06T7/70 ,  G01C21/04 ,  G01C5/00

    Abstract: Techniques are provided for vision-based altitude estimation using one or more platform mounted cameras. An embodiment includes generating projected ground imagery of imagery provided by cameras of the platform, the projection based on a hypothesized altitude. The method also includes obtaining reference ground imagery based on the location of the platform, the location based on platform navigation data. The method further includes registering the projected ground imagery to the reference ground imagery and generating a match score associated with the registration. The method further includes selecting the hypothesized altitude as the estimated altitude based on the match score (e.g., if the match score exceeds a threshold value or is maximized over a set of hypothesized altitudes. The method may further include otherwise adjusting the hypothesized altitude and repeating the altitude estimation process based on the adjusted hypothesized altitude to search for an improved estimated altitude based on the match score.

    HYBRID MB/ML TECHNIQUES FOR AUTOMATED PCB DEFECT DETECTION
    4.
    发明申请
    HYBRID MB/ML TECHNIQUES FOR AUTOMATED PCB DEFECT DETECTION 有权

    公开(公告)号：US20240428399A1

    公开(公告)日：2024-12-26

    申请号：US18337827

    申请日：2023-06-20

    Applicant: BAE Systems Information and Electronic Systems Integration Inc.

    Inventor： Tao Wang ,  Helen Vo ,  Helen F. Webb ,  Victor T. Tom

    IPC: G06T7/00 ,  G06V10/44 ,  G06V10/774 ,  G06V10/82

    Abstract: Hybrid MB/ML techniques for automated printed circuit board (PCB) defect detection. In one example, a PCB inspection system implements a hybrid solution using model based (MB) and machine learning (ML) technologies to detect possible defects in a PCB via an automated image capture device and processing methodology. The processing methodology fuses features from MB and ML at the latent representation. An autoencoder can be used to learn the fused data by training a neural network to produce a reconstructed image that can be compared to an original image to generate a reconstruction error value. The system produces an output indicating detection of a defect in one or more features of interest based on the reconstruction error value transgressing a threshold value.

    Multi-camera system for altitude estimation
    6.
    发明授权
    Multi-camera system for altitude estimation 有权

    公开(公告)号：US11810309B2

    公开(公告)日：2023-11-07

    申请号：US17131219

    申请日：2020-12-22

    Applicant: BAE Systems Information and Electronic Systems Integration Inc.

    Inventor： Stephen P. DelMarco ,  Victor T. Tom

    IPC: G06T7/55 ,  G06T7/30 ,  H04N23/90 ,  G01C21/04 ,  G01C5/00 ,  G06T7/70

    CPC classification number: G06T7/55 ,  G01C5/005 ,  G01C21/04 ,  G06T7/30 ,  G06T7/70 ,  H04N23/90 ,  G06T2207/10032 ,  G06T2207/30244

    Abstract: Techniques are provided for vision-based altitude estimation using one or more platform mounted cameras. An embodiment includes generating projected ground imagery of imagery provided by cameras of the platform, the projection based on a hypothesized altitude. The method also includes obtaining reference ground imagery based on the location of the platform, the location based on platform navigation data. The method further includes registering the projected ground imagery to the reference ground imagery and generating a match score associated with the registration. The method further includes selecting the hypothesized altitude as the estimated altitude based on the match score (e.g., if the match score exceeds a threshold value or is maximized over a set of hypothesized altitudes. The method may further include otherwise adjusting the hypothesized altitude and repeating the altitude estimation process based on the adjusted hypothesized altitude to search for an improved estimated altitude based on the match score.

    ENHANCED PHASE CORRELATION FOR IMAGE REGISTRATION
    7.
    发明申请
    ENHANCED PHASE CORRELATION FOR IMAGE REGISTRATION 审中-公开
    增强图像注册阶段的相关性

    公开(公告)号：US20160217577A1

    公开(公告)日：2016-07-28

    申请号：US15004029

    申请日：2016-01-22

    Applicant: BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

    Inventor： Victor T. Tom ,  Stephen P. Delmarco ,  Helen F. Webb

    IPC: G06T7/00 ,  G06K9/52 ,  G06K9/62

    CPC classification number: G06K9/52 ,  G06T7/32 ,  G06T2200/28

    Abstract: An image registration system and method for matching images having fundamentally different characteristics. One exemplary feature of the system and method includes the use of an enhanced phase correlation method combined with a coarse sensor model to hypothesize and match a custom match metric to determine a best solution. The system and method may be operated on a non-transitory computer-readable medium storing a plurality of instructions which when executed by one or more processors causes the one or more processors to perform the image registration method utilizing the enhanced phase correlation.

    Abstract translation: 一种用于匹配具有根本不同特征的图像的图像配准系统和方法。 该系统和方法的一个示例性特征包括使用与粗糙传感器模型结合的增强相位相关方法来假设和匹配自定义匹配度量以确定最佳解决方案。 系统和方法可以在存储多个指令的非暂时计算机可读介质上操作，当多个指令执行时，一个或多个处理器使一个或多个处理器利用增强的相位相关来执行图像配准方法。

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