V
Variance calculations, integral image representation
524
Variation functions, Fractal Flames
265–266
Vector evaluated genetic algorithm (VEGA), OS-SIRT
697
Vector statistical library (VSL), random number generator performance
243
Vertex buffer object (VBO)
Chaos Game algorithm
267
speed-limit-sign recognition
505
Very large scale integration (VLSI), LDPC
619 , 626
Video memory (VRAM), LDPC
626
Video processing
with CUDA/OpenCL
background subtraction
549–550
basic problem
547
core technology
548–551
cross-correlation
561
global memory only
561–562
global memory reads
560
global/shared/coalesced memory access
562–565
implementation/evaluation
551–565
Pearson's correlation coefficients
551
performance evaluation
565–566
real-time video background subtraction
552–554
single kernel and I/O operations
554–555
single kernel and serial/asynchronous I/O operations
558–560
single/three kernel and I/O operations
558
GPU computing status
545–546
Video reframing process, VSM
471
Viola-Jones object-detection framework
core algorithm
519–520
integral image representation
523–525
object classifier cascade structure
521–522
overview
517–519
traditional algorithm
525
Virgo, as gravitational wave detector
103
Virtual particles, photon transport
252–253
Virtual point lights (VPL), random walks in path tracing
411
Visual attention models, definition
451
Visual Molecular Dynamics (VMD)
and CUDA
16
electrostatics algorithms
43–44
MO display
5–6
Visual saliency model
CUDA kernels
457–458
definition
451
dynamic pathway
453 , 455–457
fusion
453
Gabor kernel
462–463
GPU implementation
454–465
interactions kernel
457–458
motion estimator kernel
458–462
multi-GPU implementation
463–465
NSS evaluation
470
pipeline model
465
precision
467–468
real-time streaming solution
470–471
results
454
results evaluation
469–470
schematic
452
static pathway
453 , 455 , 466–467 , 470
Viterbi search algorithm, speech recognition application
602–603
Volume brick boundary detection, brain connectivity reconstruction
803–809
Volume brick filtering framework, brain connectivity reconstruction
802–803
Volume clipping, atlas construction
786
Volume filtering, brain connectivity reconstruction
796
Volume rendering, brain connectivity reconstruction
795–797
Volume size
atlas construction
786
B-spline registration
767 , 769
CT image reconstruction
673–674
SPIRiT MRI
728
tomographic image reconstruction
685
Volumetric pixels
see Voxels
Von Neumann equation, direct MD
60
Voxel-driven forward projection, PET
681
Voxels
brain connectivity reconstruction
803–811
B-spline registration
752–762 , 764–765 , 767–769
CT reconstruction
663 , 669–672 , 676 , 695–696
LB models
390
Monte Carlo photon transport
248–251 , 253–254 , 259–261
MRI reconstruction
711–713 , 715 , 717
radiographic image simulation
813–819 , 821–827
SPIRiT MRI
724 , 726–727 , 729
tomographic image reconstruction
679 , 681–686 , 689–690
Voxel-wise parallelism, SPIRiT MRI
729
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