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24034240
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2021-10-03T09:31:06
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Version 3.0.
Improved speed by 10-25% on upsizing by utilizing a special resizing function together with filter-less 2X upsizing. Does not apply to the de-interleaved (AVX) resizing.
Minor LANCIR optimization.
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c6e4dead
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2021-04-15T17:27:09
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Version 2.8.
Fixed regression with the copy-constructor of CImageResizeVars class (previously it caused uninitialized accesses).
Removed filter length optimization as it did not reduce overhead measurably.
Optimized "peaked cosine" window function generator (removed division).
Added "unbiasing" to resizer - an unconventional approach which reduces peak error significantly, at the expense of 5% increased overhead.
Reoptimized filter parameters, now yielding an unprecedented quality.
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4efa5c61
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2021-04-10T22:34:30
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Version 2.7.
Added normalization of individual fractional delay filters. This reduced peak error by 3 dB, which is substantial for image resizing.
Reoptimized all filter parameters resulting in better frequency response linearity.
Added AVIR_NOCTOR macro to avoid copy-constructing and copying objects of some classes via a default copy function.
Added copy-constructor and assignment operator to the CImageResizerVars class, to avoid uninitialized memory copying.
Corrected automatic image offseting and "k" factor on image upsizing.
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4ee357d2
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2021-02-18T15:44:12
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LANCIR: added a missing `ElCount` multiplier to `memset` on empty input image.
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fa37d98a
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2020-03-14T08:45:06
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LANCIR: fixed a rare access violation crash.
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96d6501c
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2019-06-23T22:30:58
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Fixed a crash in CLancIR.
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ace3afd9
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2019-05-31T16:12:09
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Added independent "kx" and "ky" step parameters to the CLancIR resizing function.
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f3d8c344
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2019-05-18T08:42:00
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Made minor text description updates in "lancir".
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10e74833
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2019-05-17T22:44:26
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Added "lancir" filter normalization.
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30447d6c
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2019-05-17T10:03:37
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Made minor optimizations to "lancir".
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5ab3db5a
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2019-05-16T13:01:38
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Made minor "lancir" optimizations.
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13d00bb2
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2019-05-16T06:30:49
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Fixed a minor image offset on image upsizing.
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244414db
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2019-05-16T05:17:44
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Implemented fast CLancIR image resizing algorithm.
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