Abstract: An ambient temperature calibration process includes, in accordance with an embodiment, determining an ambient temperature calibration value for a global external resistance associated with a read out integrated circuit (ROIC) of an image capture component comprising a sensor array comprising a focal plane array of microbolometers arranged on the ROIC; determining an ambient temperature calibration value for a sensor integration time associated with the ROIC; and determining an ambient temperature calibration mapping for an offset mapping associated with the ROIC.

Abstract: Systems and methods disclosed herein, in accordance with one or more embodiments, provide for indicating gas movement in a scene having a background and an occurrence of gas, and comprise obtaining a sequence of at least two thermal image frames of said scene recorded at different points of time, automatically identifying, in each image frame of said sequence of thermal image frames, a set of pixel coordinates representing gas above a predetermined concentration threshold present in the imaged scene at the point of time at which the image frame was recorded, and automatically determining the location of each of said sets of pixel coordinates in the imaged scene.

Abstract: Improved techniques for infrared imaging and gas detection are provided. In one example, a system includes a sensor array configured to receive infrared radiation from a scene comprising a background portion and a gas. The sensor array includes a first set of infrared sensors configured with a first spectral response corresponding to a first wavelength range of the infrared radiation associated with the background portion. The sensor array also includes a second set of infrared sensors configured with a second spectral response corresponding to a second wavelength range of the infrared radiation associated with the gas. The system also includes a read out integrated circuit (ROIC) configured to provide pixel values for first and second images captured by the first and second sets of infrared sensors, respectively, in response to the received infrared radiation. Additional systems and methods are also provided.

Abstract: A method and a thermal imaging device for correcting fixed pattern noise of in a video sequence of thermal images captured using a thermal imaging system are provided. The method includes receiving a sequence of thermal images captured using a thermal imaging system. The method also includes calculating a thermal image average of a plurality of the received thermal images and calculating pixel difference values between a received thermal image and the thermal image average. The method evaluates the pixel difference values in relation to an updating condition and calculates fixed pattern noise correction terms for the pixel difference values for which the updating condition is fulfilled. The method also includes correcting pixel values of a subsequently received thermal image with the fixed pattern noise correction terms to generate a sequence of thermal images having corrected fixed pattern noise.

Abstract: A thermal imaging apparatus and a method of improving image quality in a thermal image video sequence imaging a scene, determining one or more of an image detail level, a degree of image motion and/or an image signal level of one or more captured thermal images; determining, based on one or more of the image detail level, the degree of image motion and/or the image signal level, an adapted frame rate for the capturing of one or more subsequent thermal images for the video sequence; capturing one or more subsequent thermal images at the adapted frame rate to improve the image quality in the video sequence.

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.

Abstract: Various techniques are disclosed to provide a cloud-based, networked infrared (IR) inspection routing system that provides a user interface for remotely defining an inspection routing workflow for an inspection of a site, and provides an IR camera that presents customized and context-aware instructions to an on-site inspector to perform the inspection. The IR camera may be further configured to analyze IR images that are captured during the inspection and provides additional guidance in response to the analysis of the captured IR images according to the defined inspection routing workflow.

Abstract: A method for facilitating parallax mitigation includes capturing a first image of a scene using a first imaging device, where the first imaging device is associated with a first optical axis. The method further includes tilting a second optical axis associated with a second imaging device to obtain a tilted optical axis. The method further includes capturing a second image of the scene using the second imaging device and the tilted optical axis.

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.

Abstract: The invention relates to a method and an apparatus for processing information in images pictured by infrared cameras comprising the steps of receiving radiation from at least one object in an area; extracting radiometric information from the radiation; transforming the radiometric information into at least one digital image file; storing the at least one digital image file and at least one digital function file comprising an executable code characterised by the steps of merging the executable code of the at least one digital function file into or with the at least one digital image file, thereby generating an executable digital image file, wherein the executable code comprises at least one instruction and is written in a programming language independent of system architecture. The invention further relates to a computer program product.

Abstract: Systems and methods disclosed herein provide for gas imaging. A gas imaging system comprises a lenslet array configured to receive thermal radiation from a scene and transmit a plurality of substantially identical sub-images of the thermal radiation; a birefringent polarization interferometer configured to generate an optical path difference for each ray of the plurality of sub-images based on a respective position of each ray entering the BPI, the optical path differences combining to form an interference fringe pattern; and an infrared focal plane array configured to capture a thermal image of the plurality of sub-images modulated by the interference fringe pattern due to the optical path differences through the BPI. The captured thermal image may represent a plurality of interferogram sample points of the thermal radiation from the scene, and may be used to construct a plurality of hyperspectral images of the thermal radiation from the scene.