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// works in similarity static float bwImageSectionsSimilarity2(BWImage big, BWImage pat, int x, int y, float similarity) { int wp = pat.getWidth(), hp = pat.getHeight(); int w = big.getWidth(), h = big.getHeight(); float maxError = (1f-similarity)*wp*hp; float diff = 0; for (int yy = 0; yy < hp; yy++) for (int xx = 0; xx < wp; xx++) { diff += Math.abs(big.getPixel(x+xx, y+yy)-pat.getPixel(xx, yy)); if (diff > maxError) ret similarity-0.001f; } ret 1f-diff/(wp*hp); } static float bwImageSectionsSimilarity2(IBWImage big, BWImage pat, int x, int y, float similarity) { int wp = pat.getWidth(), hp = pat.getHeight(); int w = big.getWidth(), h = big.getHeight(); float maxError = (1f-similarity)*wp*hp; float diff = 0; for (int yy = 0; yy < hp; yy++) for (int xx = 0; xx < wp; xx++) { diff += Math.abs(big.getFloatPixel(x+xx, y+yy)-pat.getPixel(xx, yy)); if (diff > maxError) ret similarity-0.001f; } ret 1f-diff/(wp*hp); }
Began life as a copy of #1005394
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Snippet ID: | #1005919 |
Snippet name: | bwImageSectionsSimilarity2 - returns similarity (not difference) |
Eternal ID of this version: | #1005919/6 |
Text MD5: | 17d1f76518738b71bdbdd8dda59b02a9 |
Transpilation MD5: | e0b821b5c797fba140687acac54aeede |
Author: | stefan |
Category: | javax / imaging |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2020-09-12 02:28:34 |
Source code size: | 1014 bytes / 26 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 523 / 629 |
Version history: | 5 change(s) |
Referenced in: | #1005920 - bwImageSectionsSimilar #1005928 - bwImageSectionsIdentical #1006654 - Standard functions list 2 (LIVE, continuation of #761) #1027320 - bwImageSectionsSimilarity2_partial - returns similarity (not difference). looks at a part of the pattern |