1 | // returns similarity (not diff) |
2 | static float rgbImageSimilarity_sameSize(RGBImage a, RGBImage b, float similarity) {
|
3 | int w = a.w(), h = a.h(); |
4 | if (w != b.w() || h != b.h()) fail("not same size");
|
5 | float factor = w*h; |
6 | float maxError = (1f-similarity)*factor; |
7 | float diff = 0; |
8 | for (int y = 0; y < h; y++) |
9 | for (int x = 0; x < w; x++) {
|
10 | diff += rgbDiff( |
11 | a.getInt(x, y), |
12 | b.getInt(x, y)); |
13 | if (diff > maxError) ret similarity-0.001f; |
14 | } |
15 | ret 1f-diff/factor; |
16 | } |
Began life as a copy of #1006762
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| Snippet ID: | #1020127 |
| Snippet name: | rgbImageSimilarity_sameSize |
| Eternal ID of this version: | #1020127/4 |
| Text MD5: | c6fd9a8c8a4a05b964fc86a2f99bbfd0 |
| Author: | stefan |
| Category: | javax / ocr |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-12-08 22:15:47 |
| Source code size: | 514 bytes / 16 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 231 / 260 |
| Version history: | 3 change(s) |
| Referenced in: | [show references] |