METHOD FOR THE DETERMINATION OF CHARACTERISTIC CURVE CORRECTION FACTORS OF A MATRIX DETECTOR IN THE INFRARED SPECTRUM RANGE
Die Erfindung betrifft ein Verfahren zur Bestimmung von Kennlinienkorrekturfaktoren (Ω, Γ, Θ) eines im infraroten Spektralbereich abbildenden Matrixdetektors.Eine gute Bildkorrektur kann erreicht werden, indem mit dem Matrixdetektor eine Fläche homogener Temperatur (T) bei zwei verschiedenen Tempera...
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| creator | Gagel, Florian |
| description | Die Erfindung betrifft ein Verfahren zur Bestimmung von Kennlinienkorrekturfaktoren (Ω, Γ, Θ) eines im infraroten Spektralbereich abbildenden Matrixdetektors.Eine gute Bildkorrektur kann erreicht werden, indem mit dem Matrixdetektor eine Fläche homogener Temperatur (T) bei zwei verschiedenen Temperaturen (T) mit jeweils zwei Bildern unterschiedlicher Integrationszeit (t) aufgenommen wird und für jedes der Bildelemente aus den jeweils vier Bildelementwerten zu den beiden Temperaturen (T) jeweils eine Signalsteigung (σ) über die Integrationszeit (t) ermittelt wird und aus der Differenz der Signalsteigungen (σ) der Gain ermittelt wird und Kennlinienkorrekturfaktoren (Γ) für den Gain hinterlegt werden.
The invention relates to a method for determining characteristic-curve correction factors a matrix detector that images in the infrared spectral range. A good image correction can be obtained by virtue of an area of homogeneous temperature being recorded at two different temperatures by the matrix detector, there being two images with different integration times for each temperature. A signal gradient over the integration time is established for each of the pixels from the four pixel values at the two temperatures in each case and the gain being established from the difference of the signal gradients and characteristic-curve correction factors for the gain being stored. |
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The invention relates to a method for determining characteristic-curve correction factors a matrix detector that images in the infrared spectral range. A good image correction can be obtained by virtue of an area of homogeneous temperature being recorded at two different temperatures by the matrix detector, there being two images with different integration times for each temperature. A signal gradient over the integration time is established for each of the pixels from the four pixel values at the two temperatures in each case and the gain being established from the difference of the signal gradients and characteristic-curve correction factors for the gain being stored.</description><language>eng ; fre ; ger</language><subject>AIMING ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; BLASTING ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; HEATING ; LIGHTING ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MECHANICAL ENGINEERING ; PHYSICS ; PICTORIAL COMMUNICATION, e.g. TELEVISION ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING ; WEAPON SIGHTS ; WEAPONS</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190814&DB=EPODOC&CC=EP&NR=3524925A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190814&DB=EPODOC&CC=EP&NR=3524925A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Gagel, Florian</creatorcontrib><title>METHOD FOR THE DETERMINATION OF CHARACTERISTIC CURVE CORRECTION FACTORS OF A MATRIX DETECTOR IN THE INFRARED SPECTRUM RANGE</title><description>Die Erfindung betrifft ein Verfahren zur Bestimmung von Kennlinienkorrekturfaktoren (Ω, Γ, Θ) eines im infraroten Spektralbereich abbildenden Matrixdetektors.Eine gute Bildkorrektur kann erreicht werden, indem mit dem Matrixdetektor eine Fläche homogener Temperatur (T) bei zwei verschiedenen Temperaturen (T) mit jeweils zwei Bildern unterschiedlicher Integrationszeit (t) aufgenommen wird und für jedes der Bildelemente aus den jeweils vier Bildelementwerten zu den beiden Temperaturen (T) jeweils eine Signalsteigung (σ) über die Integrationszeit (t) ermittelt wird und aus der Differenz der Signalsteigungen (σ) der Gain ermittelt wird und Kennlinienkorrekturfaktoren (Γ) für den Gain hinterlegt werden.
The invention relates to a method for determining characteristic-curve correction factors a matrix detector that images in the infrared spectral range. A good image correction can be obtained by virtue of an area of homogeneous temperature being recorded at two different temperatures by the matrix detector, there being two images with different integration times for each temperature. A signal gradient over the integration time is established for each of the pixels from the four pixel values at the two temperatures in each case and the gain being established from the difference of the signal gradients and characteristic-curve correction factors for the gain being stored.</description><subject>AIMING</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>BLASTING</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><subject>WEAPON SIGHTS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDEOgkAQRWksjHqHuYCFIIXlZJh1p9hdMizGjhCzVkZJsPPyAvEAVj95_-Wts4_jaEMFJihEy1BxZHXiMUrwEAyQRUWaoDRRCKjVCwMFVaZFMdMZtJlVBIdR5bpEZgril6h4o6hcQVNPXFsHiv7M22x17x9j2v12k4HhSHafhleXxqG_pWd6d1wXZX485SUeij-UL8j9Olc</recordid><startdate>20190814</startdate><enddate>20190814</enddate><creator>Gagel, Florian</creator><scope>EVB</scope></search><sort><creationdate>20190814</creationdate><title>METHOD FOR THE DETERMINATION OF CHARACTERISTIC CURVE CORRECTION FACTORS OF A MATRIX DETECTOR IN THE INFRARED SPECTRUM RANGE</title><author>Gagel, Florian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3524925A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</creationdate><topic>AIMING</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>BLASTING</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><topic>WEAPON SIGHTS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Gagel, Florian</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gagel, Florian</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR THE DETERMINATION OF CHARACTERISTIC CURVE CORRECTION FACTORS OF A MATRIX DETECTOR IN THE INFRARED SPECTRUM RANGE</title><date>2019-08-14</date><risdate>2019</risdate><abstract>Die Erfindung betrifft ein Verfahren zur Bestimmung von Kennlinienkorrekturfaktoren (Ω, Γ, Θ) eines im infraroten Spektralbereich abbildenden Matrixdetektors.Eine gute Bildkorrektur kann erreicht werden, indem mit dem Matrixdetektor eine Fläche homogener Temperatur (T) bei zwei verschiedenen Temperaturen (T) mit jeweils zwei Bildern unterschiedlicher Integrationszeit (t) aufgenommen wird und für jedes der Bildelemente aus den jeweils vier Bildelementwerten zu den beiden Temperaturen (T) jeweils eine Signalsteigung (σ) über die Integrationszeit (t) ermittelt wird und aus der Differenz der Signalsteigungen (σ) der Gain ermittelt wird und Kennlinienkorrekturfaktoren (Γ) für den Gain hinterlegt werden.
The invention relates to a method for determining characteristic-curve correction factors a matrix detector that images in the infrared spectral range. A good image correction can be obtained by virtue of an area of homogeneous temperature being recorded at two different temperatures by the matrix detector, there being two images with different integration times for each temperature. A signal gradient over the integration time is established for each of the pixels from the four pixel values at the two temperatures in each case and the gain being established from the difference of the signal gradients and characteristic-curve correction factors for the gain being stored.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AIMING ANALOGOUS ARRANGEMENTS USING OTHER WAVES BLASTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HEATING LIGHTING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MECHANICAL ENGINEERING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING WEAPON SIGHTS WEAPONS |
| title | METHOD FOR THE DETERMINATION OF CHARACTERISTIC CURVE CORRECTION FACTORS OF A MATRIX DETECTOR IN THE INFRARED SPECTRUM RANGE |
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