High Dynamic Range Imaging and Low Dynamic Range Expansion for Generating HDR Content

In the last few years, researchers in the field of High Dynamic Range (HDR) Imaging have focused on providing tools for expanding Low Dynamic Range (LDR) content for the generation of HDR images due to the growing popularity of HDR in applications, such as photography and rendering via Image‐Based L...

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Vydáno v:Computer graphics forum Ročník 28; číslo 8; s. 2343 - 2367
Hlavní autoři: Banterle, Francesco, Debattista, Kurt, Artusi, Alessandro, Pattanaik, Sumanta, Myszkowski, Karol, Ledda, Patrick, Chalmers, Alan
Médium: Journal Article
Jazyk:angličtina
Vydáno: Oxford, UK Blackwell Publishing Ltd 01.12.2009
Témata:
Algorithms
Computer graphics
Data compression
Digital imaging
high dynamic range imaging
I.3.3 [Compression (Coding)]: Approximate methods
I.3.3 [Picture/Image Generation]: Display algorithms
I.4.2 [Digitization and Image Capture]: Quantization
image compression
image expansion
Image processing systems
inverse/reverse tone mapping
Systems design
VDTs
Video display terminals
ISSN:0167-7055, 1467-8659
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Popis
Shrnutí:In the last few years, researchers in the field of High Dynamic Range (HDR) Imaging have focused on providing tools for expanding Low Dynamic Range (LDR) content for the generation of HDR images due to the growing popularity of HDR in applications, such as photography and rendering via Image‐Based Lighting, and the imminent arrival of HDR displays to the consumer market. LDR content expansion is required due to the lack of fast and reliable consumer level HDR capture for still images and videos. Furthermore, LDR content expansion, will allow the re‐use of legacy LDR stills, videos and LDR applications created, over the last century and more, to be widely available. The use of certain LDR expansion methods, those that are based on the inversion of Tone Mapping Operators (TMOs), has made it possible to create novel compression algorithms that tackle the problem of the size of HDR content storage, which remains one of the major obstacles to be overcome for the adoption of HDR. These methods are used in conjunction with traditional LDR compression methods and can evolve accordingly. The goal of this report is to provide a comprehensive overview on HDR Imaging, and an in depth review on these emerging topics.
Bibliografie:istex:E970027F5F72E5B98BA987BC2EA63FB8C269EB7A
ArticleID:CGF1541
ark:/67375/WNG-X9V50VLR-V
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ISSN:0167-7055
1467-8659
DOI:10.1111/j.1467-8659.2009.01541.x