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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F06%3A03124614%21RIV07-MSM-21230___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
Není k dispozici The limited dynamic range of a camera may be extended by composing differently exposed images of the same scene. The nonlinear camera has to be calibrated radiometrically first. We show that the calibration process can be difficult for real cameras. The improvement can be achieved if linear 12-bit RAW images are used as offered by modern mid-class and professional cameras. The knowledge of exposure time positively affects the radiometric quality of the composed high dynamic range (HDR) image. This knowledge also helps in registration of differently exposed hand held shots. This contribution presents a new method for estimating exposure times from the histograms of images captured using a linear response camera or generated from a RAW image. The presented method does not require spatially aligned images. The actual process of HDR image composition needs perfectly aligned images on its input. We present a method for registering differently exposed images captured with a hand held camera. The limited dynamic range of a camera may be extended by composing differently exposed images of the same scene. The nonlinear camera has to be calibrated radiometrically first. We show that the calibration process can be difficult for real cameras. The improvement can be achieved if linear 12-bit RAW images are used as offered by modern mid-class and professional cameras. The knowledge of exposure time positively affects the radiometric quality of the composed high dynamic range (HDR) image. This knowledge also helps in registration of differently exposed hand held shots. This contribution presents a new method for estimating exposure times from the histograms of images captured using a linear response camera or generated from a RAW image. The presented method does not require spatially aligned images. The actual process of HDR image composition needs perfectly aligned images on its input. We present a method for registering differently exposed images captured with a hand held camera.
dcterms:title
Není k dispozici Exposure time estimation for high dynamic range imaging with hand held camera Exposure time estimation for high dynamic range imaging with hand held camera
skos:prefLabel
Exposure time estimation for high dynamic range imaging with hand held camera Exposure time estimation for high dynamic range imaging with hand held camera Není k dispozici
skos:notation
RIV/68407700:21230/06:03124614!RIV07-MSM-21230___
n3:strany
76 ; 81
n3:aktivita
n21:P
n3:aktivity
P(1M0567)
n3:dodaniDat
n17:2007
n3:domaciTvurceVysledku
n7:4529774 n7:1542567
n3:druhVysledku
n15:D
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
475315
n3:idVysledku
RIV/68407700:21230/06:03124614
n3:jazykVysledku
n13:eng
n3:klicovaSlova
HDR; exposure time estimation; high dynamic range images
n3:klicoveSlovo
n8:high%20dynamic%20range%20images n8:exposure%20time%20estimation n8:HDR
n3:kontrolniKodProRIV
[BF2AF73359F3]
n3:mistoKonaniAkce
Telč
n3:mistoVydani
Praha
n3:nazevZdroje
CVWW'06: Proceedings of the Computer Vision Winter Workshop 2006
n3:obor
n16:JD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n14:1M0567
n3:rokUplatneniVysledku
n17:2006
n3:tvurceVysledku
Hlaváč, Václav Cerman, Lukáš
n3:typAkce
n4:EUR
n3:zahajeniAkce
2006-02-06+01:00
s:numberOfPages
6
n20:hasPublisher
Czech Society for Cybernetics and Informatics
n9:isbn
80-239-6530-1
n11:organizacniJednotka
21230