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16 KiB
16 KiB
Introduction
This page demonstrates the results of resampling different images using various resize filters.
Images used for the test:
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The width of the filters are:
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
| 0.5 | 1.0 | 1.5 | 3.0 | 5.0 |
The parameters used for the Kaiser filter are:
alpha = 4
stretch = 1
Test 1
Downsampling without gamma correction.
0.7 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.5 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.3 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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Test 2
Downsampling with gamma correction. Gamma is set to 2.2.
0.7 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.5 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.3 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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Test 3
Downsampling without gamma correction.
0.7 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.5 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.3 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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Test 4
Downsampling with gamma correction. Gamma is set to 2.2.
0.7 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.5 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.3 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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Test 5
Downsampling with gamma correction. Gamma is set to 2.2.
0.7 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.5 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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0.3 scale factor
| Box | Triangle | Quadratic | Lanczos | Kaiser |
|---|---|---|---|---|
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