نتایج جستجو برای: dynamic
تعداد نتایج: 406025 فیلتر نتایج به سال:
We present a new approach for improving the effective dynamic range of cameras by using multiple photographs of the same scene taken with different exposure times. Using this method enables the photographer to accurately capture scenes that contain high dynamic range by using a device with low dynamic range, which allows the capture of scenes that have both very bright and very dark regions. We...
Although HDR content processing, coding and quality assessment have been largely addressed in the last few years, little to no work has been concentrating on how to assess quality in HDR for 360◦ or omnidirectional content. This paper is an attempt to answer to various questions in this direction. As a minimum, a new data set for 360◦ HDR content is proposed and a new methodology is designed to...
Seven tone mapping methods currently available to display high dynamic range images were submitted to perceptual evaluation in order to nd the attributes most predictive of the success of a robust all-around tone mapping algorithm. The two most salient Stimulus Space dimensions underlying the perception of a set of images produced by six of the tone mappings were revealed using INdividual Di er...
The authors test 168 luminance-calibrated high dynamic range photographs with associated subjective user data against a set of plausible visual comfort metrics and identify metric thresholds at which discomfort can be consistently identified with minimal false-positives. Correlations were identified with vertical eye illuminance, DGI, DGP 5 ∗ Ltask, max. window luminance and max. workplane lumi...
measured HDRC Lars III C14 luminance output recovered resp. fitted resp. output recovered resp. fitted resp. recovered resp. [cd/m] 10 bit [cd/m] [cd/m] 16 bit [cd/m] [cd/m] [cd/m] 5.3 404 4.78 4.57 200 9.04 8.69 5.38 9.3 424 7.95 8.12 366 9.35 11.52 9.05 70.9 497 46.70 62.65 3,278 62.46 61.33 66.07 741.2 582 403.22 695.22 18,722 643.96 663.00 704.43 8,796 673 8,616.82 8,924.89 32,126 4,196.72 ...
The goal of this project is to compute a bound on the minimum error inherent in rendering a floating point image on a high dynamic range (HDR) display. The standard methods for rendering to this and similar devices will need to be real time. While they will employ the computation power of the GPU, many shortcuts which can affect image quality will be required in order to obtain interactive fram...
In the consumer digital photography market we have nearly all images stored in the JPEG compression format. While many new compression methods were proposed for providing somewhat better compression, and also a variety of new features, most users currently do not see compelling reasons for adopting new formats. The high dynamic range feature seems to be an exception, standing out in its appeal ...
High dynamic range images must be tone mapped before being displayed on devices with low output dynamic range. Two existing global tone mapping operators are evaluated and then a new improved operator using a sigmoid compression curve is proposed. It is then demonstrated through simulation and experimental results that an existing capture device, used previously only for simple logarithmic comp...
High Dynamic Range (HDR) images represent the future format for digital images since they allow more sensitive rendering. However, nowadays special types of preprocessing collectively known as tone mapping operators are needed to adapt HDR images to currently existing displays. Tone mapped images, although of reduced dynamic range, have nonetheless high quality and hence retain some commercial ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید