rgbImageSectionsSimilarity [1006803]

< > BotCompany Repo | #1006803 // rgbImageSectionsSimilarity

JavaX fragment (include)

// returns diff (not similarity), not divided by pixel number (same for maxError)
static float rgbImageSectionsSimilarity(RGBImage big, RGBImage pat, int x, int y, float maxError) {
  int wp = pat.getWidth(), hp = pat.getHeight();
  int w = big.getWidth(), h = big.getHeight();
  float diff = 0;
  for (int yy = 0; yy < hp; yy++)
    for (int xx = 0; xx < wp; xx++) {
      diff += rgbDiff(big.getInt(x+xx, y+yy), pat.getInt(xx, yy));
      if (diff > maxError) ret maxError+1;
    }
  ret diff;
}

Author comment

Began life as a copy of #1005394

Travelled to 13 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1006803

Snippet name:

rgbImageSectionsSimilarity

Eternal ID of this version:

#1006803/2

Text MD5:

681e6047b537faf572b3736a048eefaf

Author:

stefan

Category:

javax / imaging

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2017-02-09 00:50:26

Source code size:

508 bytes / 12 lines

Pitched / IR pitched:

No / No

Views / Downloads:

502 / 525

Version history:

1 change(s)

Referenced in:

[show references]

1	// returns diff (not similarity), not divided by pixel number (same for maxError)
2	static float rgbImageSectionsSimilarity(RGBImage big, RGBImage pat, int x, int y, float maxError) {
3	int wp = pat.getWidth(), hp = pat.getHeight();
4	int w = big.getWidth(), h = big.getHeight();
5	float diff = 0;
6	for (int yy = 0; yy < hp; yy++)
7	for (int xx = 0; xx < wp; xx++) {
8	diff += rgbDiff(big.getInt(x+xx, y+yy), pat.getInt(xx, yy));
9	if (diff > maxError) ret maxError+1;
10	}
11	ret diff;
12	}