Combined bidirectional reflectance distribution functions usage for increasing images creation productivity Article Swipe
Oleksandr Romanyuk
,
Yevhen Zavalniuk
,
Roman Chekhmestruk
,
Pavlo I. Mykhaylov
,
Hamza Achanyar
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.15276/aait.06.2023.9
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.15276/aait.06.2023.9
Modern computer graphics systems are characterized bythe requirements of highly-realistic and highly-productive image formation. In order to increase image formation productivity, the improvement of existing light reflectance models and the development of new models are constantly carried out. In the article the development of a combined light reflectance model based on the cosine-power functions is described. The main aspects of surface bidirectional reflectance distribution functions calculation and usage are analyzed. The features of simple empirical models and theoretical models that take into account microfacetedsurface representation are described. The disadvantages of existing surface reflectance models are discussed. The cosine-power functions of the fourth and sixteenth degreesare discussed. The necessity of the development ofanew surface reflectance model based on two cosine-power functions is justified. The calculation formula of the developed combined surface reflection functionis proposed. The formula oftheconnection point of two cosine-power functions was obtained. The obtained formula was approximated with a simpler formula using Chebyshev polynomials. The plot of cosine-power functions connection point valueswas built. The plot of productivity gain from combined function calculationrelative to the shininess coefficientis given. The average productivity gain value from combined function calculation was found. The plot of relative and absolute errors between the combinedfunction and the Blinn function relative to the shininess surface coefficient is given. The three-dimensional plot of absolute error between the combined function and the Blinn function was built. Using OpenGL shadinglanguage the developed model was implemented in the software application Bidirectional Reflectance Distribution FunctionsExplorer. The teapot visualization results based on the proposed combined function are given.The developed combined model combines the advantages oftwocosine-power functions and can be used in highly-productive three-dimensional computer graphics systems.
Related Topics
Concepts
Plot (graphics)
Trigonometric functions
Reflection (computer programming)
Mathematics
Function (biology)
Power (physics)
Approximation error
Computer science
Power function
Bidirectional reflectance distribution function
Representation (politics)
Distribution (mathematics)
Reflection coefficient
Algorithm
Reflectivity
Mathematical analysis
Geometry
Optics
Statistics
Quantum mechanics
Physics
Law
Programming language
Political science
Politics
Biology
Evolutionary biology
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.15276/aait.06.2023.9
- https://aait.od.ua/index.php/journal/article/download/181/217/414
- OA Status
- hybrid
- Cited By
- 1
- References
- 22
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4385235831
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4385235831Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.15276/aait.06.2023.9Digital Object Identifier
- Title
-
Combined bidirectional reflectance distribution functions usage for increasing images creation productivityWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-07-23Full publication date if available
- Authors
-
Oleksandr Romanyuk, Yevhen Zavalniuk, Roman Chekhmestruk, Pavlo I. Mykhaylov, Hamza AchanyarList of authors in order
- Landing page
-
https://doi.org/10.15276/aait.06.2023.9Publisher landing page
- PDF URL
-
https://aait.od.ua/index.php/journal/article/download/181/217/414Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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hybridOpen access status per OpenAlex
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https://aait.od.ua/index.php/journal/article/download/181/217/414Direct OA link when available
- Concepts
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Plot (graphics), Trigonometric functions, Reflection (computer programming), Mathematics, Function (biology), Power (physics), Approximation error, Computer science, Power function, Bidirectional reflectance distribution function, Representation (politics), Distribution (mathematics), Reflection coefficient, Algorithm, Reflectivity, Mathematical analysis, Geometry, Optics, Statistics, Quantum mechanics, Physics, Law, Programming language, Political science, Politics, Biology, Evolutionary biologyTop concepts (fields/topics) attached by OpenAlex
- Cited by
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1Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1Per-year citation counts (last 5 years)
- References (count)
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22Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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