Electronic apparatus
US-12165552-B2 · Dec 10, 2024 · US
Method and device for correcting spatial response for imaging fourier transform spectrometers
US9109950B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9109950-B2 |
| Application number | US-201314109810-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 17, 2013 |
| Priority date | Dec 21, 2012 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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A method for correcting spatial response for an imaging Fourier transform spectrometer comprises the following steps: a prior step of calculation of the equalization parameters comprising a gain and an offset from data forming calibration scenes; a step of determination of equalization coefficients at a so-called pseudo superpixel level determining the gains and offsets at macropixel level from the data from a raw image that are collected by the imaging spectrometer in image mode, and gains and offsets determined in the prior step; and a step of equalization at pseudo superpixel level, applying the equalization coefficients to a macropixel from an acquisition in the interferogram mode of the imaging spectrometer in order to restore an equalized interferogram.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for correcting spatial response for an imaging Fourier transform spectrometer having at least one mode of operation called interferometric mode consisting in acquiring interferograms, the interferometric mode having a first spatial resolution corresponding to the dimension of one macropixel, one macropixel being made up of several pixels of an array of a detector placed in an image plane, and a mode of operation called image mode consisting in…
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Electricity · mapped topic
- H04N25/671Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9109950B2 cover?
- A method for correcting spatial response for an imaging Fourier transform spectrometer comprises the following steps: a prior step of calculation of the equalization parameters comprising a gain and an offset from data forming calibration scenes; a step of determination of equalization coefficients at a so-called pseudo superpixel level determining the gains and offsets at macropixel level from…
- Who is the assignee on this patent?
- Thales Sa
- What technology area does this patent fall under?
- Primary CPC classification H04N25/671. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 18 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).