1 | static float horizontalAutoSplit2_threshold = 0.5f; |
2 | |
3 | static L<Rect> horizontalAutoSplit2(BWImage img) {
|
4 | ret horizontalAutoSplit2(img, horizontalAutoSplit2_threshold); |
5 | } |
6 | |
7 | static L<Rect> horizontalAutoSplit2(BWImage img, float threshold) {
|
8 | int w = img.getWidth(), h = img.getHeight(); |
9 | float[] f = bwImageColumnMinBrightness(img); |
10 | |
11 | new L<Rect> l; |
12 | int j = -1; |
13 | for (int i = 0; i < l(f); i++) |
14 | if (f[i] < threshold) { // start / continue streak
|
15 | if (j < 0) j = i; |
16 | } else {
|
17 | if (j >= 0) { // end streak
|
18 | l.add(new Rect(j, 0, i-j, h)); |
19 | j = -1; |
20 | } |
21 | } |
22 | if (j >= 0) |
23 | l.add(new Rect(j, 0, w-j, h)); |
24 | ret l; |
25 | } |
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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: | 391 / 422 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |