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Depth‐of‐Field Rendering by Pyramidal Image Processing
Author(s) -
Kraus M.,
Strengert M.
Publication year - 2007
Publication title -
computer graphics forum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 120
eISSN - 1467-8659
pISSN - 0167-7055
DOI - 10.1111/j.1467-8659.2007.01088.x
Subject(s) - rendering (computer graphics) , computer science , image based modeling and rendering , computer vision , artificial intelligence , 3d rendering , computer graphics (images) , tiled rendering , real time rendering , pixel , software rendering , computer graphics , 3d computer graphics
We present an image‐based algorithm for interactive rendering depth‐of‐field effects in images with depth maps. While previously published methods for interactive depth‐of‐field rendering suffer from various rendering artifacts such as color bleeding and sharpened or darkened silhouettes, our algorithm achieves a significantly improved image quality by employing recently proposed GPU‐based pyramid methods for image blurring and pixel disocclusion. Due to the same reason, our algorithm offers an interactive rendering performance on modern GPUs and is suitable for real‐time rendering for small circles of confusion. We validate the image quality provided by our algorithm by side‐by‐side comparisons with results obtained by distributed ray tracing.