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Designing Scientific Applications on GPUs
book

Designing Scientific Applications on GPUs

by Raphael Couturier
November 2013
Intermediate to advanced content levelIntermediate to advanced
498 pages
17h 6m
English
Chapman and Hall/CRC
Content preview from Designing Scientific Applications on GPUs
36 Designing Scientific Applications on GPUs
(a) Airplane image, corrupted by salt
and pepper noise of density 0.25
(b) Image denoised by a 3 × 3 median
filter
(c) Image denoised by a 5 × 5 median
filter
(d) Image denoised by 2 iterations of a
3 × 3 median filter
FIGURE 4.3. Example of median filtering, applied to salt and pepper noise
reduction.
decrease. One easy way to avoid this is to ensure that two consecu-
tive threads in one block always access 32-bit data at two consecutive
addresses.
As observed earlier, designing a median filter GPU implementation us-
ing only global memory is fairly straightforward, but its performance remains
quite low even if it is ...
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Publisher Resources

ISBN: 9781466571648