Not logged in.  Login/Logout/Register | List snippets | | Create snippet | Upload image | Upload data

92
LINES

< > BotCompany Repo | #1030524 // Microsecond Line Finder v1, JDK 16 version with vector API

JavaX source code (Dynamic Module) [tags: use-pretranspiled] - run with: Stefan's OS

Uses 1059K of libraries. Click here for Pure Java version (12314L/66K).

1  
!7
2  
3  
set flag BWIntegralImage_brightnessCheat.
4  
set flag BWIntegralImage_useVectorAPI.
5  
6  
cmodule2 IILineFinder > DynImageSurfaceAndEnabled {
7  
  switchable int imageSize = 1000;
8  
  switchable int warmups = 10; // per round
9  
  switchable int initialWarmups = 100000;
10  
  switchable int stripes = 2; // how many threads to use for making integral image
11  
  ExpectedAndActual<Pair<Pt>> lastError;
12  
  
13  
  transient Pair<Pt> actual, recognized;
14  
  transient IBWIntegralImage ii;
15  
  transient ImageSurface isReconstructed;
16  
  transient S status, errorStatus;
17  
  transient new Scorer scorer;
18  
  transient new Average conversionTime, recTime;
19  
  transient NotTooOften clearRecTime = nto_everyTenSeconds();
20  
  transient long rounds;
21  
  transient autoDispose ThreadPoolExecutor executor = defaultThreadPoolExecutor();
22  
  
23  
  visualize {
24  
    JComponent c = centerAndSouthWithMargin(
25  
      jhgrid(jCenteredSection_fontSizePlus(10, "Input", super.visualize()),
26  
        jCenteredSection_fontSizePlus(10, "Recognition", jscroll_centered(isReconstructed = doubleBufferedImageSurface()))),
27  
      jvstack(fontSizePlus(10, dm_centeredLabel status()), fontSizePlus(5, dm_centeredLabel errorStatus())));
28  
    enableDoubleBuffering();
29  
    ret c;
30  
  }
31  
32  
  start {
33  
    thread "Calc" enter {
34  
      while (true) {
35  
        if (deleted()) ret;
36  
        if (!enabled) continue with sleepSeconds(1);
37  
        pcall {
38  
          if (clearRecTime!) {
39  
            recTime.clear();
40  
            conversionTime.clear();
41  
          }
42  
          makeImage();
43  
          recognize();
44  
          score();
45  
          reconstruct();
46  
          status();
47  
        }
48  
      }
49  
    }
50  
  }
51  
  
52  
  void makeImage {
53  
    Pt a = randomPt(imageSize), b = randomPt(imageSize);
54  
    LineWithColor line = new(a, b, Color.black, 1);
55  
    BufferedImage img = renderBackgroundPlusLines(imageSize, imageSize, new BackgroundPlus(Color.white, line));
56  
    setImage(img);
57  
    long time = nanoTime();
58  
    ii = stripedBWIntegralImage(executor, stripes, img);
59  
    conversionTime.add(nanoTime()-time);
60  
    actual = sortedPair(a, b);
61  
  }
62  
  
63  
  void recognize {
64  
    int w = rounds == 0 ? initialWarmups : warmups;
65  
    ++rounds;
66  
    repeat w { bwii_detectSingleLine(ii); }
67  
    long time = nanoTime();
68  
    Pair<Pt> output = bwii_detectSingleLine(ii);
69  
    recTime.add(nanoTime()-time);
70  
    recognized = sortedPair(output);
71  
  }
72  
  
73  
  void score {
74  
    bool ok = eq(actual, recognized);
75  
    scorer.add(ok);
76  
    if (!ok) setField(lastError := ExpectedAndActual(actual, recognized));
77  
  }
78  
  
79  
  void reconstruct {
80  
    BufferedImage img = renderBackgroundPlusLines(imageSize, imageSize, new BackgroundPlus(Color.white, LineWithColor(actual.a, actual.b, Color.black, 1)));
81  
    isReconstructed.setImage(img);
82  
  }
83  
  
84  
  void status {
85  
    setFields(
86  
      status := joinNemptiesWithComma(
87  
        "Image size: " + toMillion(sqr(imageSize), 1) + " MP, conversion time: " + n2_iround(conversionTime!) + " ns",
88  
        "recognition time: " + n2_iround(recTime!) + " ns",
89  
        scorer),
90  
      errorStatus := lastError == null ?: "last error: " + lastError);
91  
  }
92  
}

Author comment

Began life as a copy of #1030512

download  show line numbers  debug dex  old transpilations   

Travelled to 4 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, vouqrxazstgt

No comments. add comment

Snippet ID: #1030524
Snippet name: Microsecond Line Finder v1, JDK 16 version with vector API
Eternal ID of this version: #1030524/8
Text MD5: 7911cab1cf2f01f0331fbb4e6e2c5708
Transpilation MD5: 64b4a91c2403c40ceebcdebf29f4c412
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: 2021-01-07 03:01:16
Source code size: 3123 bytes / 92 lines
Pitched / IR pitched: No / No
Views / Downloads: 203 / 550
Version history: 7 change(s)
Referenced in: [show references]