Title
Evaluating HDR rendering algorithms
Abstract
A series of three experiments has been performed to test both the preference and accuracy of high dynamic-range (HDR) rendering algorithms in digital photography application. The goal was to develop a methodology for testing a wide variety of previously published tone-mapping algorithms for overall preference and rendering accuracy. A number of algorithms were chosen and evaluated first in a paired-comparison experiment for overall image preference. A rating-scale experiment was then designed for further investigation of individual image attributes that make up overall image preference. This was designed to identify the correlations between image attributes and the overall preference results obtained from the first experiments. In a third experiment, three real-world scenes with a diversity of dynamic range and spatial configuration were designed and captured to evaluate seven HDR rendering algorithms for both of their preference and accuracy performance by comparing the appearance of the physical scenes and the corresponding tone-mapped images directly. In this series of experiments, a modified Durand and Dorsey's bilateral filter technique consistently performed well for both preference and accuracy, suggesting that it is a good candidate for a common algorithm that could be included in future HDR algorithm testing evaluations. The results of these experiments provide insight for understanding of perceptual HDR image rendering and should aid in design strategies for spatial processing and tone mapping. The results indicate ways to improve and design more robust rendering algorithms for general HDR scenes in the future. Moreover, the purpose of this research was not simply to find out the “best” algorithms, but rather to find a more general psychophysical experiment based methodology to evaluate HDR image-rendering algorithms. This paper provides an overview of the many issues involved in an experimental framework that can be used for these evaluations.
Year
DOI
Venue
2007
10.1145/1265957.1265958
TAP
Keywords
Field
DocType
image attribute,overall image preference,hdr rendering algorithm,future hdr algorithm testing,high dynamic-range imaging,overall preference,psychophysical experiments,overall preference result,perceptual hdr image rendering,corresponding tone-mapped image,general hdr scene,hdr image-rendering algorithm,tone-mapping algorithms evaluation,computer vision,rating scale,paired comparison,bilateral filtering,computer graphic,digital photography,dynamic range,tone mapping
Digital photography,Rendering algorithms,Computer science,Spatial configuration,Artificial intelligence,Bilateral filter,Computer vision,Simulation,Algorithm,Tone mapping,Rendering (computer graphics),High-dynamic-range rendering,High-dynamic-range imaging
Journal
Volume
Issue
ISSN
4
2
1544-3558
Citations 
PageRank 
References 
55
2.77
22
Authors
5
Name
Order
Citations
PageRank
Jiangtao Kuang118010.21
Hiroshi Yamaguchi2552.77
Changmeng Liu3596.97
Garrett M. Johnson433631.19
Mark D. Fairchild5799128.87