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Flir Systems Ab patents


Recent patent applications related to Flir Systems Ab. Flir Systems Ab is listed as an Agent/Assignee. Note: Flir Systems Ab may have other listings under different names/spellings. We're not affiliated with Flir Systems Ab, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Flir Systems Ab-related inventors


Gas visualizing methods and systems with birefringent polarization interferometer

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. ... Flir Systems Ab

Method and apparatus for correcting fixed pattern noise of an infrared image

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 is provided. The method comprises: receiving a sequence of thermal images captured using a thermal imaging system; calculating a thermal image average of a plurality of the received thermal images; calculating pixel difference values between a received thermal image and the thermal image average; evaluating the pixel difference values in relation to an updating condition; calculating fixed pattern noise correction terms for the pixel difference values for which the updating condition is fulfilled; and 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.. ... Flir Systems Ab

Wavelength band based passive infrared gas imaging

Systems and methods disclosed herein, in accordance with one or more embodiments provide for imaging gas in a scene, the scene having a background and a possible occurrence of gas. In one embodiment, a method and a system adapted to perform the method includes: controlling a thermal imaging system to capture a gas ir image representing the temperature of a gas and a background ir image representing the temperature of a background based on a predetermined absorption spectrum of the gas, on an estimated gas temperature and on an estimated background temperature; and generating a gas-absorption-path-length image, representing the length of the path of radiation from the background through the gas, based on the gas image and the background ir image. ... Flir Systems Ab

Quantifying gas in passive optical gas imaging

A method and a system to quantify gas in a thermal imaging device, said method comprising obtaining a gas-absorption-path-length image as a scene difference infrared image based on a gas infrared image and a scene background infrared image substantially depicting the same scene and generating a quantified scene difference infrared image based on said scene difference infrared image and a predefined gas-quantifying relation.. . ... Flir Systems Ab

Method and system for performing alignment of a projection image to detected infrared (ir) radiation information

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.. . ... Flir Systems Ab

Gas visualization arrangements, devices, and methods

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.. ... Flir Systems Ab

Image processing method for detail enhancement and noise reduction

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.. ... Flir Systems Ab

Processing an infrared (ir) image based on swipe gestures

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.. ... Flir Systems Ab

Dynamic annotation in user information system of ir camera

The present invention relates in general to the field of applications and functions of an ir-camera device operated by a user in connection with the recording of ir images and to processing of ir images on a computer application program. A system for managing annotations to ir images comprising selectable annotation input functions that are actuatable by means of control commands displayed on the display is disclosed.. ... Flir Systems Ab

Detector unit, optical system and thermal camera assembly

Devices and methods herein, in accordance with embodiments, provide a detector unit for an infrared (ir) imaging device comprising a focal plane array (fpa) of ir detectors configured to detect ir radiation intensity, and a detector unit lens configured to optically direct ir radiation onto the fpa and to protect the fpa from contamination. The detector unit lens and the fpa are integrated to form a detector unit that encapsulates the fpa, and the detector unit lens is configured to optically function as a common lens element for a plurality of different types of lens assemblies of the ir imaging device. ... Flir Systems Ab

Infrared resolution and contrast enhancement with fusion

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. ... Flir Systems Ab








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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