Abstract: One or more embodiments of the invention relate to an image processing system and method for detail enhancement and noise reduction, in which the method includes: (a) an original image is created, (b) an information measure is calculated on the basis of the original image, (c) a weighting measure is calculated on the basis of the information measure, (d) the original image is low-pass filtered with a low-pass filter to form a low-pass filtered image, (e) a high-pass filtered image is calculated by subtracting the low-pass filtered image from the original image, (f) a detail-enhanced and noise-reduced image is obtained by a high-pass image scaled with the weighting measure being added to the low-pass image. One or more embodiments of the invention additionally relate to an image processing device comprising an image recording device, an image processing unit and an image display unit.

Abstract: A method of presenting a visible representation of infrared (IR) radiation information onto an observed real world scene based on IR radiation emitted from said observed real world scene, using a thermography arrangement comprising an IR imaging system, a visible light imaging system, and a visible light projecting system.

Abstract: A computer-implemented method and a computer system for processing an infrared (IR) image based on a swipe gesture are provided. For example, the method may comprise: displaying an IR image within one or more graphical objects displayed on a touch screen; receiving a user indication of a swipe gesture via said touch screen, wherein receiving a user indication further comprises generating first data representing a first swipe gesture starting location and second data representing a first swipe gesture direction; processing the one or more graphical objects, wherein the processing comprises modifying various parameters or attributes associated with the IR image and/or image processing the IR image based on the first and the second data; and displaying the one or more processed graphical objects including the IR image processed according to the modified parameters or attributes.

Abstract: A method and a system for displaying an infrared (IR) image and/or a related image on a touch screen are provided. For example, a method may include: displaying, on a touch screen, an image of a scene; partitioning the image into a first part and a second part in response to a user indication made on the touch screen; displaying the first part of the image in an IR image mode using an IR image of the scene capture by an IR imaging sensor; and displaying the second part of the image in a non-IR image mode. The non-IR image mode may include a visible light (VL) image mode for displaying a VL image of the scene, or a fusion image mode for displaying a combination of the IR image and the VL image. The partitioning may be adjusted in response to a swipe gesture made on the touch screen.

Abstract: A method and systems of stabilizing a sequence of infrared (IR) images captured using an infrared (IR) imaging system, includes: generating edge information representations of selected captured IR images in said sequence; for each generated edge information representation, generating a second representation having a reduced amount of information compared to the edge information representation; determining displacements between captured IR images in relation to previous IR images in said sequence based on a comparison between said second representations; generating a stabilized sequence of IR images by shifting said captured IR images based on said determined displacements.

Abstract: The invention relates to a method for compensating motion blur in connection with vibrations in an image recording apparatus (1), such as a camera, for stabilization of recorded images, wherein use is made of a reference image. According to the invention, a frame (2) of a recorded image is selected for image stabilization and the degree of sharpness (3) in the selected frame is evaluated and compared (5) with a previously saved reference value (4) for the degree of sharpness for a previously selected frame. The last chosen frame is used to update (6) a video sequence and the degree of the sharpness for the last chosen frame is saved (7) as a new reference value if the degree of sharpness for the last chosen frame is deemed to be better (5) than or equally as good as the reference value for the degree of sharpness for a previously selected frame.

Abstract: Gas visualization in an image depicting a scene, for an example embodiment comprises capturing a first IR image depicting the scene at a first time instance and a second IR image depicting the scene at a second time instance; performing image processing operations on image data derived from said first IR image and from said second IR image, to generate a collection of data representing the location of gas in one of the first or second IR images; and generating a third image by adjusting pixel values in an image depicting the scene, dependent on pixel values of said collection of data. According to various embodiments, there is further provided further processing of the collection of data, and/or gas detection, before generation of the third image with adjusted pixel values.

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: A device for imaging within the IR range. The imaging device includes a cooled unit having a cooled matrix with detectors and a calibrating device for individual calibration of the detectors of the detector matrix with respect to amplification and/or offset. The calibrating device includes at least one radiator, which is housed in or can be introduced into the imaging device, and a signal-processing unit.

Abstract: A system and method for processing an infrared image. The infrared image is processed to provide a background portion of the infrared image and a detail portion of the infrared image. The background portion and/or the detail portion is scaled to provide a level of the detail portion relative to a level of the background portion. The background portion and the detail portion are merged after the scaling to provide a processed infrared image. The processed infrared image is stored.

Abstract: A method for displaying a thermal image in an infrared (IR) thermal camera, includes, for an embodiment, registering an outdoor temperature value, registering an indoor temperature value, calculating an isotherm level by using the registered temperature values and a temperature color alarm level, imaging a surface area to create an image of the temperature distribution in at least a part of the surface area, comparing the surface area temperature in at least one image point of the thermal image to the isotherm level, adjusting the color of the at least one image point in dependence of the relation between the surface area temperature in said at least one image point and the isotherm level and displaying the colored version of the thermal image. The method may allow a user to determine immediately, on-site, if a building is well insulated and may present an easily interpreted and understandable thermal image.

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.

Abstract: The present invention relates to a method and device for measuring at least two properties of an object, for some embodiments, said device comprising a measuring device for measuring at least one physical property of an object and an infrared imaging device for measuring at least one thermal property of an object, and wherein said first measuring device and said infrared imaging device are arranged to be synchronized to perform simultaneous measurements of the object.

Abstract: Various techniques are provided for a stray light compensation method for an infrared (IR) camera. For example, a stray light compensation method includes: capturing an IR image of a scene by an IR camera, generating a fixed pattern noise estimate FPNestt0 for time t0 using the captured IR image and a stray light model associated with the IR camera, and performing a fixed pattern noise (FPN) compensation of the captured IR image based on said FPNestt0 to obtain a stray light compensated IR image. The fixed pattern noise estimate may be generated through operations in a frequency domain representation of the captured IR image and the stray light model according to one or more embodiments.

Abstract: A camera has an infrared (IR) imaging subsystem that includes an IR detector. The camera also has a visual imaging subsystem for generating a visual image of an observed scene. The camera also has one or more distance measuring devices for obtaining distance related information regarding a distance from the camera to the scene and a processor arranged to receive distance related information from one or more distance measuring devices and process the received distance related information, wherein said processing comprises determining a distance to the scene based on the received distance related information. The IR imaging subsystem may also include an IR optical element for focusing IR radiation on the IR detector. The IR optical element may be operable to focus the IR radiation on the IR detector based on the determined distance.

Abstract: An IR camera includes 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 an IR camera display arranged to display thermal images to a user of the IR camera. 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: An IR camera is disclosed, comprising two IR detectors for detecting a first and a second image of the imaged area. A beamsplitter is operable to split the incoming radiation into a first beam comprising a first wavelength spectrum and a second beam comprising a second wavelength spectrum different from the first wavelength spectrum. The first beam is received at the first IR detector and the second beam is received at the second IR detector. A processor is operable to calculate properties of the imaged area based on the first and the second image in relationship to each other. The information obtained may be used, for example, to detect the presence or identity of a gas or to determine the material properties of an imaged object.