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MATLAB bicubic imresize
Xintao edited this page Sep 10, 2018
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[TODO]
[TODO]
[TODO]
implementation in codes/data/util
compare with matlab imresize (better use im2double first).
test on a 1404*2040 (DIV2K, 0001.png) image.
| scale | error (# of pixels) | time | matlab time |
|---|---|---|---|
| x1/2 | 11 | 0.109s | 0.028s |
| x1/3 | 0 | 0.0800s | 0.0204s |
| x1/3.2 | 68 | 0.0792s | 0.0202s |
| x1/4 | 6 | 0.0630s | 0.0194s |
| x1/8 | 0 | 0.0438s | 0.0152s |
test on a 256*256, butterfly (Set5) image.
| scale | error (# of pixels) | time | matlab time |
|---|---|---|---|
| x2 | 3 | 0.0267s | 0.0094s |
| x3 | 3 | 0.0497s | 0.0112s |
| x3.2 | 9 | 0.0544s | 0.0109s |
| x4 | 31 | 0.0777s | 0.0137s |
| x8 | 101 | 0.287s | 0.0372s |