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    Infrared resolution and contrast enhancement with fusion
    1.
    发明授权
    Infrared resolution and contrast enhancement with fusion 有权

    公开(公告)号：US11514563B2

    公开(公告)日：2022-11-29

    申请号：US16372260

    申请日：2019-04-01

    Applicant: FLIR Systems AB

    Inventor： Katrin Strandemar

    IPC: G06K9/00 ,  G06T5/50 ,  G06T5/00 ,  H04N5/33

    Abstract: The present disclosure relates to combination of images. A method according to an embodiment comprises: receiving a visual image and an infrared (IR) image of a scene and for a portion of said IR image extracting high spatial frequency content from a corresponding portion of said visual image. The method according to the embodiment further comprises combining said extracted high spatial frequency content from said portion of the visual image with said portion of the IR image, to generate a combined image, wherein the contrast and/or resolution in the portion of the IR image is increased compared to the contrast and/or resolution of said received IR image.

    Smart non-uniformity correction systems and methods
    2.
    发明授权
    Smart non-uniformity correction systems and methods 有权

    公开(公告)号：US10412273B2

    公开(公告)日：2019-09-10

    申请号：US15912770

    申请日：2018-03-06

    Applicant: FLIR Systems AB

    Inventor： Pontus Häger ,  Katrin Strandemar

    IPC: H04N5/217 ,  G05D1/02 ,  G06T7/70 ,  H04N5/33 ,  H04N5/365

    Abstract: Various embodiments of the present disclosure may include an imaging device configured to determine appropriate conditions for updating non-uniformity correction (NUC) terms. In certain embodiments, the imaging device may determine when the imaging device is likely not in use and update NUC terms during the times when the imaging device is likely not in use. Data from various position sensors such as gyroscopes, accelerometers, global positioning system receivers, and/or other data may be used to determine when the imaging device is likely not in use. Such position sensors may be coupled to the imaging device and/or may be remote from the imaging device. In certain embodiments, while NUC terms are updated, imaging data obtained may be modified with historical data to provide usable data.

    CORRECTION OF IMAGE DISTORTION IN IR IMAGING
    5.
    发明申请
    CORRECTION OF IMAGE DISTORTION IN IR IMAGING 审中-公开
    红外成像中图像失真的校正

    公开(公告)号：US20130300875A1

    公开(公告)日：2013-11-14

    申请号：US13942624

    申请日：2013-07-15

    Applicant: Flir Systems AB

    Inventor： Katrin Strandemar ,  Henrik Jönsson

    IPC: H04N5/217

    CPC classification number: H04N5/217 ,  H04N5/33 ,  H04N5/3572

    Abstract: There is disclosed a method, arrangement, and computer program product for correcting distortion present in an image captured using an infrared (IR) arrangement, the method for an embodiment comprising: capturing a first image using a first imaging system comprised in said IR arrangement; and correcting image distortion of the first image based on a pre-determined distortion relationship. According to embodiments, the method may further comprise capturing a second image using a second imaging system comprised in said IR arrangement, wherein: said distortion relationship represents distortion caused by said first and/or second imaging systems of said IR arrangement; and said correcting of image distortion of the first image comprises correcting image distortion with relation to the second image based on said pre-determined distortion relationship, wherein the distortion relationship represents distortion caused by said first and/or second imaging systems.

    Abstract translation: 公开了一种用于校正使用红外（IR）装置拍摄的图像中存在的失真的方法，装置和计算机程序产品，该实施例的方法包括：使用包括在所述IR装置中的第一成像系统捕获第一图像; 以及基于预定的失真关系来校正第一图像的图像失真。 根据实施例，该方法还可以包括使用包括在所述IR装置中的第二成像系统捕获第二图像，其中：所述失真关系表示由所述IR装置的所述第一和/或第二成像系统引起的失真; 并且所述校正第一图像的图像失真包括基于所述预定失真关系来校正与第二图像相关的图像失真，其中所述失真关系表示由所述第一和/或第二成像系统引起的失真。

    CALCULATING ENERGY DISSIPATION IN AN IR IMAGE
    6.
    发明申请
    CALCULATING ENERGY DISSIPATION IN AN IR IMAGE 有权
    计算IR图像中的能量消耗

    公开(公告)号：US20130162836A1

    公开(公告)日：2013-06-27

    申请号：US13774870

    申请日：2013-02-22

    Applicant: FLIR Systems AB

    Inventor： Katrin Strandemar ,  Henrik Jonsson ,  Torbjörn Hamrelius ,  Gunnar Palm

    IPC: H04N5/33

    CPC classification number: G01J5/025 ,  G01J5/0275 ,  G01J5/10 ,  G01J2005/0077 ,  G01J2005/0085 ,  G01J2005/068 ,  G01S17/08 ,  G01S17/88 ,  G02B13/14 ,  H04N5/33

    Abstract: An IR camera comprises: a thermal radiation capturing arrangement for capturing thermal radiation of an imaged view in response to input control unit(s) receiving user inputs from a user of the IR camera; a processing unit arranged to process the thermal radiation data in order for the thermal radiation data to be displayed by an IR camera display as thermal images; and a IR camera display arranged to display thermal images to a user of the IR camera. The IR camera is characterized in that the processing unit is further arranged to: determine at least one temperature reference value representing the temperature of the surrounding environment of the imaged view; and calculate at least one output power value indicative of an amount of energy dissipated in a part of the imaged view by using the temperature value of the thermal radiation data corresponding to said part of the imaged view and the at least one determined temperature reference value.

    Abstract translation: IR摄像机包括：热辐射捕获装置，用于响应于从IR摄像机的用户接收用户输入的输入控制单元捕获成像视图的热辐射; 处理单元，其被设置为处理所述热辐射数据，以使所述热辐射数据由IR相机显示器显示为热图像; 以及IR相机显示器，被布置为向IR相机的用户显示热图像。 IR摄像机的特征在于，处理单元还被布置成：确定表示成像视图的周围环境的温度的至少一个温度参考值; 并且通过使用与所述成像视图的所述部分对应的热辐射数据的温度值和所述至少一个确定的温度参考值来计算指示在成像视图的一部分中消散的能量的量的至少一个输出功率值。

    DISTANCE COMPENSATION FOR THERMAL IMAGING TEMPERATURE MEASUREMENT OF INNER CANTHUS SYSTEMS AND METHODS
    7.
    发明申请
    DISTANCE COMPENSATION FOR THERMAL IMAGING TEMPERATURE MEASUREMENT OF INNER CANTHUS SYSTEMS AND METHODS 有权

    公开(公告)号：US20230126197A1

    公开(公告)日：2023-04-27

    申请号：US18145779

    申请日：2022-12-22

    Applicant: FLIR Systems AB

    Inventor： Henning Hagman ,  Tien C. Nguyen ,  Petra Maretic ,  Katrin Strandemar

    IPC: G01J5/48 ,  G06T7/62 ,  G06V10/74 ,  G06V40/16

    Abstract: Various techniques are disclosed to provide for improved human body temperature detection using thermal images of an inner canthus. In one example, a method includes capturing a thermal image of a human being using a thermal imager. The method also includes determining an uncompensated temperature measurement associated with an inner canthus of a face of the human being using corresponding pixels of the thermal image. The method also includes determining a correction term as a function of a distance between the thermal imager and the human being. The method also includes applying the correction term to the uncompensated temperature measurement to provide a corrected temperature measurement associated with the inner canthus to compensate for attenuation associated with the distance. Additional methods and systems are also provided.

    Contrast-enhanced combined image generation systems and methods
    8.
    发明授权
    Contrast-enhanced combined image generation systems and methods 有权

    公开(公告)号：US10694101B2

    公开(公告)日：2020-06-23

    申请号：US15842554

    申请日：2017-12-14

    Applicant: FLIR Systems AB

    Inventor： Stefan Olsson ,  Christian Högstedt ,  Katrin Strandemar

    IPC: H04N5/232 ,  G06T5/50 ,  G06T5/00 ,  G06T5/20 ,  H04N5/235 ,  H04N5/33

    Abstract: Various techniques are disclosed to generate a contrast-enhanced combined image based on a thermal image and high spatial frequency content extracted from a visual light image, said images depicting the same scene. In one example, a method comprises: determining a blending measure indicating the quality of at least one of said images; combining luminance components of pixel values comprised in the thermal image and of pixel values representing high spatial frequency content comprised in the visual light image based on the blending measure; and generating a contrast-enhanced combined image based on the thermal image and the combined luminance components.

    FUSED IMAGE OPTIMIZATION SYSTEMS AND METHODS
    9.
    发明申请
    FUSED IMAGE OPTIMIZATION SYSTEMS AND METHODS 审中-公开

    公开(公告)号：US20190147569A1

    公开(公告)日：2019-05-16

    申请号：US16243356

    申请日：2019-01-09

    Applicant: FLIR Systems AB

    Inventor： Katrin Strandemar

    IPC: G06T5/00 ,  G06T3/40 ,  G06T5/50

    CPC classification number: G06T5/003 ,  G06T3/403 ,  G06T5/50 ,  G06T2207/10032 ,  G06T2207/10048 ,  G06T2207/20192 ,  G06T2207/20221 ,  G06T2207/30181 ,  G06T2207/30232

    Abstract: Systems and methods disclosed herein, in accordance with one or more embodiments, provide for the generation of a fused image optimized for a target resolution, such as by receiving an infrared (IR) image captured by an IR imaging sensor, receiving a visible light (VL) image captured by a VL imaging sensor, determining a scaling factor based on a difference between the target resolution and a baseline resolution, and determining a set of target fusion parameters at least by modifying, according to the scaling factor, a set of baseline fusion parameters associated with the baseline resolution. A fused image is generated having the target resolution at least by fusing the IR image and the VL image according to the set of target fusion parameters.

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