Uses 1059K of libraries. Click here for Pure Java version (11318L/61K).
1 | !7 |
2 | |
3 | set flag BWIntegralImage_brightnessCheat. |
4 | |
5 | cmodule2 IILineFinder > DynImageSurfaceAndEnabled {
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6 | switchable int imageSize = 1000; |
7 | switchable int warmups = 10; // per round |
8 | switchable int initialWarmups = 100000; |
9 | ExpectedAndActual<Pair<Pt>> lastError; |
10 | |
11 | transient Pair<Pt> actual, recognized; |
12 | transient BWIntegralImage ii; |
13 | transient ImageSurface isReconstructed; |
14 | transient S status, errorStatus; |
15 | transient new Scorer scorer; |
16 | transient new Average conversionTime, recTime; |
17 | transient NotTooOften clearRecTime = nto_everyTenSeconds(); |
18 | transient long rounds; |
19 | |
20 | visualize {
|
21 | JComponent c = centerAndSouthWithMargin( |
22 | jhgrid(jCenteredSection_fontSizePlus(10, "Input", super.visualize()), |
23 | jCenteredSection_fontSizePlus(10, "Recognition", jscroll_centered(isReconstructed = doubleBufferedImageSurface()))), |
24 | jvstack(fontSizePlus(10, dm_centeredLabel status()), fontSizePlus(5, dm_centeredLabel errorStatus()))); |
25 | enableDoubleBuffering(); |
26 | ret c; |
27 | } |
28 | |
29 | start {
|
30 | thread "Calc" enter {
|
31 | while (true) {
|
32 | if (deleted()) ret; |
33 | if (!enabled) continue with sleepSeconds(1); |
34 | pcall {
|
35 | if (clearRecTime!) {
|
36 | recTime.clear(); |
37 | conversionTime.clear(); |
38 | } |
39 | makeImage(); |
40 | recognize(); |
41 | score(); |
42 | reconstruct(); |
43 | status(); |
44 | } |
45 | } |
46 | } |
47 | } |
48 | |
49 | void makeImage {
|
50 | Pt a = randomPt(imageSize), b = randomPt(imageSize); |
51 | LineWithColor line = new(a, b, Color.black, 1); |
52 | BufferedImage img = renderBackgroundPlusLines(imageSize, imageSize, new BackgroundPlus(Color.white, line)); |
53 | setImage(img); |
54 | long time = nanoTime(); |
55 | ii = new BWIntegralImage(img); |
56 | conversionTime.add(nanoTime()-time); |
57 | actual = sortedPair(a, b); |
58 | } |
59 | |
60 | void recognize {
|
61 | int w = rounds == 0 ? initialWarmups : warmups; |
62 | ++rounds; |
63 | repeat w { bwii_detectSingleLine(ii); }
|
64 | long time = nanoTime(); |
65 | Pair<Pt> output = bwii_detectSingleLine(ii); |
66 | recTime.add(nanoTime()-time); |
67 | recognized = sortedPair(output); |
68 | } |
69 | |
70 | void score {
|
71 | bool ok = eq(actual, recognized); |
72 | scorer.add(ok); |
73 | if (!ok) setField(lastError := ExpectedAndActual(actual, recognized)); |
74 | } |
75 | |
76 | void reconstruct {
|
77 | BufferedImage img = renderBackgroundPlusLines(imageSize, imageSize, new BackgroundPlus(Color.white, LineWithColor(actual.a, actual.b, Color.black, 1))); |
78 | isReconstructed.setImage(img); |
79 | } |
80 | |
81 | void status {
|
82 | setFields( |
83 | status := joinNemptiesWithComma( |
84 | "Image size: " + toMillion(sqr(imageSize), 1) + " MP, conversion time: " + n2_iround(conversionTime!) + " ns", |
85 | "recognition time: " + n2_iround(recTime!) + " ns", |
86 | scorer), |
87 | errorStatus := lastError == null ?: "last error: " + lastError); |
88 | } |
89 | } |
Began life as a copy of #1019834
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| Snippet ID: | #1030512 |
| Snippet name: | Microsecond Line Finder v1 [OK, works 99.9% of the time] |
| Eternal ID of this version: | #1030512/38 |
| Text MD5: | 347377cf5bb27556226fc51e4d1b41c3 |
| Transpilation MD5: | 0574d444aa6277b805052be0e9b8db68 |
| Author: | stefan |
| Category: | javax / image recognition |
| Type: | JavaX source code (Dynamic Module) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2021-01-05 15:55:16 |
| Source code size: | 2892 bytes / 89 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 224 / 1202 |
| Version history: | 37 change(s) |
| Referenced in: | [show references] |