- 28 Jun, 2015 1 commit
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Michael Niedermayer authored
Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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- 22 Jun, 2015 2 commits
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Michael Niedermayer authored
This significantly improves the quality when the integer 9/7 transform is used Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer authored
This reduces the number of operations done and is equivalent except for rounding Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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- 21 Jun, 2015 2 commits
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Michael Niedermayer authored
thats how the specification defines it, this also improves numerical accuracy of the integer wavelet implementation. It otherwise should be equivalent, in case of overflows this can be reverted. Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer authored
Even if the jpeg2000 spec uses a wrong value this does not make mathematics work this way, also this has been corrected in the 2004 version AFAIK Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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- 28 Apr, 2013 2 commits
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Michael Niedermayer authored
Found-by: ubitux Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer authored
Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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- 22 Apr, 2013 1 commit
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Nicolas Bertrand authored
Based on the 2007 GSoC project from Kamil Nowosad <k.nowosad@students.mimuw.edu.pl> Updated to current programming standards, style and many more small fixes by Diego Biurrun <diego@biurrun.de>. Signed-off-by:
Diego Biurrun <diego@biurrun.de>
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