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Image scaling algorithm performance evaluation measurements
-----------------------------------------------------------
Tested with Nokia Asha 311.
8 images scaled with the following relational sizes: 40 %, 50 %, 60 %, 70 %,
80 %, 140 %, 160 % and 200 %. The size of the original image was 220 x 272
pixels, and bit depth 32.
------------|-----------------------|---------------------------|---------------
Algorithm | Linear interpolation | Bilinear interpolation | Pixel mixing
------------|-----------------------|---------------------------|---------------
Measurements| 299 | 3285 | 778
(ms) | 293 | 3407 | 835
| 348 | 3291 | 862
| 362 | 3307 | 790
| 270 | 3286 | 794
| 347 | 3235 | 806
| 372 | 3340 | 793
| 382 | 3434 | 735
| 369 | 3377 | 784
| 363 | 3228 | 798
------------|-----------------------|---------------------------|---------------
Average (ms)| 341 (340.5) | 3319 | 798 (797.5)
------------|-----------------------|---------------------------|---------------
Relative | 1 | 10 (9.75) | 2 (2.34)
performance | | |
| | |
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