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High dynamic range preserving compression of light fields and reflectance fields

Nicolas Menzel, Michael Guthe
2007 Proceedings of the 5th international conference on Computer graphics, virtual reality, visualisation and interaction in Africa - AFRIGRAPH '07  
In this paper, we address both of these problems introduced by the acquisition of high dynamic range light and reflectance fields.  ...  Therefore, image-based methods like light fields, surface light fields, reflectance fields and bidirectional texture functions became widely accepted to represent spatially nonuniform surfaces.  ...  Accumulation is then a task of texture compositing. CONCLUSION In this paper, we proposed a compression method that is able to preserve the full dynamic range of a reflectance field or light field.  ... 
doi:10.1145/1294685.1294697 dblp:conf/afrigraph/MenzelG07 fatcat:fctf5ndd2zh23lv6mmxpyj54iq

Adaptive gain control for high dynamic range image display

Sumanta Pattanaik, Hector Yee
2002 Proceedings of the 18th spring conference on Computer graphics - SCCG '02  
Realistic display of high dynamic range images without introducing any artifact is a hard problem. In this paper we address this problem using a detail preserving local gain control approach.  ...  Unlike many other local gain control methods available in the literature, our method is simple, and does not introduce ugly "halo" artifacts around the high dynamic range edges.  ...  for providing us with the sample high dynamic range panorama images used in Figure 4 .  ... 
doi:10.1145/584458.584472 dblp:conf/sccg/PattanaikY02 fatcat:ou3yy2oswvcbljlmwwc55q6ljy

Gradient domain high dynamic range compression

Raanan Fattal, Dani Lischinski, Michael Werman
2002 ACM Transactions on Graphics  
Our results demonstrate that the method is capable of drastic dynamic range compression, while preserving fine details and avoiding common artifacts, such as halos, gradient reversals, or loss of local  ...  concerned with displaying high dynamic range images on low dynamic range dis-1 All of the images in this paper are provided at full resolution on the proceedings CD-ROM (and also at  ...  This work was supported in part by the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities.  ... 
doi:10.1145/566570.566573 fatcat:qlmd3xrbavdtfhgpeeuzimxhde

Gradient domain high dynamic range compression

Raanan Fattal, Dani Lischinski, Michael Werman
2002 ACM Transactions on Graphics  
Our results demonstrate that the method is capable of drastic dynamic range compression, while preserving fine details and avoiding common artifacts, such as halos, gradient reversals, or loss of local  ...  concerned with displaying high dynamic range images on low dynamic range dis-1 All of the images in this paper are provided at full resolution on the proceedings CD-ROM (and also at  ...  This work was supported in part by the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities.  ... 
doi:10.1145/566654.566573 fatcat:o3sgcvhb2jh4hgot3oyl5itbg4

Front Matter: Volume 9599

2015 Applications of Digital Image Processing XXXVIII  
Utilization of CIDs allows articles to be fully citable as soon as they are published online, and connects the same identifier to all online and print versions of the publication.  ...  .  The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters.  ...  modulation techniques in high dynamic range video coding [9599-13] 9599 0F On metrics for objective and subjective evaluation of high dynamic range video [9599-15] 9599 0G Towards high dynamic  ... 
doi:10.1117/12.2218079 fatcat:ud7olg3h55chxliki4z7rdufka

Digital bas-relief from 3D scenes

Tim Weyrich, Jia Deng, Connelly Barnes, Szymon Rusinkiewicz, Adam Finkelstein
2007 ACM Transactions on Graphics  
Our solution to this problem adapts methods from the tone-mapping literature, which addresses the similar problem of squeezing a high dynamic range image into the (low) dynamic range available on typical  ...  -but that incorporates a dramatically reduced range of heights -below.  ...  Photos in Figure 2 are courtesy of (upper row) Wikipedia and Cultural Heritage Imaging and (lower row) the US Bureau of Land Management and the US Treasury.  ... 
doi:10.1145/1239451.1239483 fatcat:wa5esnjhpjaoxgrjtuu3d7glge

Digital bas-relief from 3D scenes

Tim Weyrich, Jia Deng, Connelly Barnes, Szymon Rusinkiewicz, Adam Finkelstein
2007 ACM SIGGRAPH 2007 papers on - SIGGRAPH '07  
Our solution to this problem adapts methods from the tone-mapping literature, which addresses the similar problem of squeezing a high dynamic range image into the (low) dynamic range available on typical  ...  -but that incorporates a dramatically reduced range of heights -below.  ...  Photos in Figure 2 are courtesy of (upper row) Wikipedia and Cultural Heritage Imaging and (lower row) the US Bureau of Land Management and the US Treasury.  ... 
doi:10.1145/1275808.1276417 fatcat:gn6pwutkiffjrn5fwvzhjrpbqm

Digital bas-relief from 3D scenes

Tim Weyrich, Jia Deng, Connelly Barnes, Szymon Rusinkiewicz, Adam Finkelstein
2007 ACM Transactions on Graphics  
Our solution to this problem adapts methods from the tone-mapping literature, which addresses the similar problem of squeezing a high dynamic range image into the (low) dynamic range available on typical  ...  -but that incorporates a dramatically reduced range of heights -below.  ...  Photos in Figure 2 are courtesy of (upper row) Wikipedia and Cultural Heritage Imaging and (lower row) the US Bureau of Land Management and the US Treasury.  ... 
doi:10.1145/1276377.1276417 fatcat:p6fhsa4hfvdavniyt57r5yq6zu

A compressive light field projection system

Matthew Hirsch, Gordon Wetzstein, Ramesh Raskar
2014 ACM SIGGRAPH 2014 Emerging Technologies on - SIGGRAPH '14  
achieve super-resolved and high dynamic range 2D image display when used with a conventional screen.  ...  Combined with high-speed light field projection and nonnegative light field factorization, we demonstrate that compressive light field projection is possible with a single device.  ...  The authors express their gratitude to Phil Surman and Xin Li of Microsharp Innovation for fabricating the screen optics used in our prototype, and to Mike Jin and Paul Jin of Silicon Micro Display Inc  ... 
doi:10.1145/2614066.2614075 dblp:conf/siggraph/HirschWR14 fatcat:6ssg5qindveshmo3zrpkgjyjrq

A compressive light field projection system

Matthew Hirsch, Gordon Wetzstein, Ramesh Raskar
2014 ACM Transactions on Graphics  
achieve super-resolved and high dynamic range 2D image display when used with a conventional screen.  ...  Combined with high-speed light field projection and nonnegative light field factorization, we demonstrate that compressive light field projection is possible with a single device.  ...  The authors express their gratitude to Phil Surman and Xin Li of Microsharp Innovation for fabricating the screen optics used in our prototype, and to Mike Jin and Paul Jin of Silicon Micro Display Inc  ... 
doi:10.1145/2601097.2601144 fatcat:gitsgksxjfezpl66obmkarlpe4

Rendering Deformable Surface Reflectance Fields

T. Weyrich, H. Pfister, M. Gross
2005 IEEE Transactions on Visualization and Computer Graphics  
We augment the impostor by a local parameterization that allows the correct evaluation of acquired reflectance images, preserving the original light model on the deformed surface.  ...  We present a deferred shading scheme to handle the increased amount of data involved in shading the deformable surface reflectance field.  ...  ACKNOWLEDGMENTS The authors would like to thank Matthias Zwicker, Remo Ziegler, Wojciech Matusik, and Addy Ngan for many valuable discussions.  ... 
doi:10.1109/tvcg.2005.14 pmid:15631128 fatcat:qjghwnatq5ejdkbn5ubytppzgy

Postfiltering for color appearance in synthetic image visualization

Alessandro Rizzi
2004 Journal of Electronic Imaging (JEI)  
This is known as the tone reproduction problem, and in most cases, one has to find the best solution to compress an extended dynamic range of the computed light field into the limited range of displayable  ...  On the contrary, no mapping is usually made in case of low luminance and extremely limited dynamic range images, and consequently photorealism and visual appearance are lost.  ...  In cases of images with a strong overall contrast ͑e.g., backlight͒ and consequently a very high dynamic range in the computed luminance field, the HVS model can be applied before compressing data into  ... 
doi:10.1117/1.1635367 fatcat:sasyxwgwqzfgxii2to6hiuzp3u

Structured CsI(Tl) scintillators for X-ray imaging applications

V.V. Nagarkar, T.K. Gupta, S.R. Miller, Y. Klugerman, M.R. Squillante, G. Entine
1998 IEEE Transactions on Nuclear Science  
Material characterization confirmed that the film is crystalline in nature and that the stoichiometry is preserved.  ...  Recently we have fabricated structured CsI(Tl) scintillators ranging from 30 µm (16 mg/cm 2 ) to 2000 µm (900 mg/cm 2 ) in thickness and up to 15 x 15 cm 2 in area.  ...  This combination offers the potential for very high spatial resolution, dynamic range, and a wide range of system formats that can be easily modified to meet specific application requirements.  ... 
doi:10.1109/23.682433 fatcat:6vwv2q6koreinov2l7e447ny3q

Novel Tone Mapping Operators and Objective Analysis

2017 International Journal of Recent Trends in Engineering and Research  
With the developments in Image acquisition techniques there is an increasing interest towards High Dynamic Range (HDR) images where the number of intensity levels ranges between 2 to 10,000.  ...  But, because the standard display devices are devised to display Low Dynamic Range (LDR) images, there is a need to convert HDR image to LDR image without losing important image structures in HDR images  ...  A classic photographic task is the mapping of the potentially high dynamic range of real world luminances to the low dynamic range of the photographic print.  ... 
doi:10.23883/ijrter.2017.3016.gwknv fatcat:7p7bg7lw6nawbjmcamz6krbq6i

Compressive light field photography using overcomplete dictionaries and optimized projections

Kshitij Marwah, Gordon Wetzstein, Yosuke Bando, Ramesh Raskar
2013 ACM Transactions on Graphics  
In addition, we demonstrate a variety of other applications for light field atoms and sparse coding techniques, including 4D light field compression and denoising.  ...  We explore sparse reconstructions of 4D light fields from optimized 2D projections using light field atoms as the fundamental building blocks of natural light fields.  ...  Acknowledgements We thank the reviewers for valuable feedback and the following people for insightful discussions and support: Ashok Veeraraghavan, Rahul Budhiraja, Kaushik Mitra, Matthew O'Toole, Austin  ... 
doi:10.1145/2461912.2461914 fatcat:r6mpkkitr5fj5ijucwvnjr6x4y
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