Results 241 to 250 of about 407,551 (288)

Glucose metabolism echoes long-range temporal correlations in the human brain. [PDF]

open access: yesImaging Neurosci (Camb)
Facca M   +9 more
europepmc   +1 more source

Photon-counting CT for dynamic lung perfusion: validation of a low-dose protocol in a porcine lung transplantation model. [PDF]

open access: yesEur Radiol Exp
Hunkemöller AM   +13 more
europepmc   +1 more source

High dynamic range imaging [PDF]

open access: yesACM SIGGRAPH 2004 Course Notes, 2004
Current display devices can display only a limited range of contrast and colors, which is one of the main reasons that most image acquisition, processing, and display techniques use no more than eight bits per color channel. This course outlines recent advances in high-dynamic-range imaging, from capture to display, that remove this restriction ...
Paul E. Debevec   +3 more
openaire   +4 more sources

Penrose high-dynamic-range imaging [PDF]

open access: yesJournal of Electronic Imaging, 2016
High-dynamic-range (HDR) imaging is becoming increasingly popular and widespread. The most common multishot HDR approach, based on multiple low-dynamic-range images captured with different expo- sures, has difficulties in handling camera and object movements.
Jia Li 0002   +3 more
openaire   +2 more sources

High dynamic range image hallucination

ACM SIGGRAPH 2007 sketches, 2007
An apparatus and method provide for providing an output image from an input image. The input image may contain at least one portion that does not display certain desired information of the image, such as texture information. The desired information may be obtained from a second portion of the input image and applied to the at least one portion that ...
Zhou, K   +4 more
openaire   +4 more sources

Multispectral high dynamic range imaging

SPIE Proceedings, 2008
Capturing natural scenes with high dynamic range content using conventional RGB cameras generally results in saturated and underexposed and therefore compromising image areas. Furthermore the image lacks color accuracy due to a systematic color error of the RGB color filters.
Johannes Brauers   +3 more
openaire   +1 more source

High dynamic range panoramic imaging

Proceedings Eighth IEEE International Conference on Computer Vision. ICCV 2001, 2002
Most imaging sensors have a limited dynamic range and hence can satisfactorily respond to only a part of illumination levels present in a scene. This is particularly disadvantageous for omnidirectional and panoramic cameras since larger fields of view have larger brightness ranges.
Manoj Aggarwal, Narendra Ahuja
openaire   +2 more sources

High dynamic range imaging for artists

ACM SIGGRAPH 2008 classes, 2008
An introduction and overview of the practical applications and uses of high-dynamic-range imaging (HDRI) from a production point of view. The course begins with a brief overview of HDRI and pre-production, production, and post-production techniques.Topics include: RAW converters, bit depths, RAW vs JPEG, the pros and cons of various panoramic HDR ...
Kirt Witte   +4 more
openaire   +1 more source

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