Results 31 to 40 of about 140,293 (270)

Soft bilateral filtering volumetric shadows using cube shadow maps.

open access: yesPLoS ONE, 2017
Volumetric shadows often increase the realism of rendered scenes in computer graphics. Typical volumetric shadows techniques do not provide a smooth transition effect in real-time with conservation on crispness of boundaries. This research presents a new
Hatam H Ali   +2 more
doaj   +1 more source

Fine-grained visualization pipelines and lazy functional languages [PDF]

open access: yes, 2006
The pipeline model in visualization has evolved from a conceptual model of data processing into a widely used architecture for implementing visualization systems.
Colin, Runciman   +3 more
core   +3 more sources

GIF2Video: Color Dequantization and Temporal Interpolation of GIF Images [PDF]

open access: yesComputer Vision and Pattern Recognition, 2019
Graphics Interchange Format (GIF) is a highly portable graphics format that is ubiquitous on the Internet. Despite their small sizes, GIF images often contain undesirable visual artifacts such as flat color regions, false contours, color shift, and ...
Y. Wang   +5 more
semanticscholar   +1 more source

Image Sampling with Quasicrystals [PDF]

open access: yes, 2009
We investigate the use of quasicrystals in image sampling. Quasicrystals produce space-filling, non-periodic point sets that are uniformly discrete and relatively dense, thereby ensuring the sample sites are evenly spread out throughout the sampled image.
Dodgson, Neil A.   +3 more
core   +4 more sources

Air pollution modelling using a graphics processing unit with CUDA [PDF]

open access: yes, 2009
The Graphics Processing Unit (GPU) is a powerful tool for parallel computing. In the past years the performance and capabilities of GPUs have increased, and the Compute Unified Device Architecture (CUDA) - a parallel computing architecture - has been ...
Lagzi, Istvan   +3 more
core   +2 more sources

Spatial and Angular Resolution Enhancement of Light Fields Using Convolutional Neural Networks [PDF]

open access: yes, 2018
Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and depth estimation from a single shot.
Gul, M. Shahzeb Khan   +1 more
core   +2 more sources

Fast Color Space Transformations Using Minimax Approximations [PDF]

open access: yes, 2009
Color space transformations are frequently used in image processing, graphics, and visualization applications. In many cases, these transformations are complex nonlinear functions, which prohibits their use in time-critical applications.
Celebi, M. Emre   +2 more
core   +2 more sources

Conformal-Based Surface Morphing and Multi-Scale Representation

open access: yesAxioms, 2014
This paper presents two algorithms, based on conformal geometry, for the multi-scale representations of geometric shapes and surface morphing. A multi-scale surface representation aims to describe a 3D shape at different levels of geometric detail, which
Ka Chun Lam, Chengfeng Wen, Lok Ming Lui
doaj   +1 more source

Mathematical basics of motion and deformation in computer graphics

open access: yesInternational Conference on Computer Graphics and Interactive Techniques, 2014
This synthesis lecture presents an intuitive introduction to the mathematics of motion and deformation in computer graphics. Starting with familiar concepts in graphics, such as Euler angles, quaternions, and affine transformations, we illustrate that a ...
K. Anjyo, Hiroyuki Ochiai
semanticscholar   +1 more source

Acceleration of stereo-matching on multi-core CPU and GPU [PDF]

open access: yes, 2014
This paper presents an accelerated version of a dense stereo-correspondence algorithm for two different parallelism enabled architectures, multi-core CPU and GPU.
Cockshott, Paul   +2 more
core   +1 more source

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