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< > BotCompany Repo | #1005843 // horizontalAutoSplit2 - uses min brightness per column

JavaX fragment (include)

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static float horizontalAutoSplit2_threshold = 0.5f;
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static L<Rect> horizontalAutoSplit2(BWImage img) {
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  ret horizontalAutoSplit2(img, horizontalAutoSplit2_threshold);
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}
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static L<Rect> horizontalAutoSplit2(BWImage img, float threshold) {
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  int w = img.getWidth(), h = img.getHeight();
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  float[] f = bwImageColumnMinBrightness(img);
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  new L<Rect> l;
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  int j = -1;
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  for (int i = 0; i < l(f); i++)
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    if (f[i] < threshold) { // start / continue streak
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      if (j < 0) j = i; 
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    } else {
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      if (j >= 0) { // end streak
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        l.add(new Rect(j, 0, i-j, h));
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        j = -1;
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      }
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    }
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  if (j >= 0)
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    l.add(new Rect(j, 0, w-j, h));
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  ret l;
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}

Author comment

Began life as a copy of #1005709

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Snippet ID: #1005843
Snippet name: horizontalAutoSplit2 - uses min brightness per column
Eternal ID of this version: #1005843/2
Text MD5: 4813f2bb4e9a7180486c5be8d563d3e6
Author: stefan
Category: javax / ocr
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2018-10-08 00:52:05
Source code size: 680 bytes / 25 lines
Pitched / IR pitched: No / No
Views / Downloads: 451 / 489
Version history: 1 change(s)
Referenced in: [show references]