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< > BotCompany Repo | #1031932 // URecognizer [backup with xClip, yClip]

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (7002L/40K).

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sclass URecognizer {
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  IIntegralImage image;
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  *() {}
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  *(IIntegralImage *image) {}
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  *(BufferedImage image) {
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    this.image = IntegralImage(image);
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  }
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  // returns 0, 1 or 2
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  int posterizeToInt(double x) {
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    ret ifloor(clampZeroToOne(x)*3);
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  }
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  // returns 0, .5 or 1
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  double posterizeInPlace(double x) {
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    ret posterizeToInt(x)*.5;
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  }
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  class Cell {
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    // Original image and which part we are looking at
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    DoubleRange xClip, yClip;
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    // color transformations in place
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    DoubleRange[] colorClips = new[3];
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    Cell copy() {
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      new Cell c;
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      c.xClip = xClip;
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      arrayCopy(colorClips, c.colorClips);
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      ret c;
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    }
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    Rect rectInImage() {
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      ret toRect_floor(doubleRectFromRanges(xClip, yClip));
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    }
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    // get color of cell
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    double color(int channel) {
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      double color = ii_averageBrightnessOfArea(image, rectInImage(), channel);
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      ret transformBetweenDoubleRanges(color, colorClips[channel], zeroToOne());
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    }
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    // unposterized color of all 3 channels
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    double[] color() {
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      double[] c = new[3];
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      for i to 3:
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        c[i] = color(i);
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      ret c;
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    }
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    toString {
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      ret "Color: " + asList(color());
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    }
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    int posterizedIntColor(int channel) {
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      ret posterizeToInt(color(channel));
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    }
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    // get sub-cells
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    Cell[] xSplit() {
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      Cell[] cells = new[3];
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      for i to 3: cells[i] = xSlice(i/3.0, (i+1)/3.0);
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      ret cells;
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    }
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    Cell xSlice(double a, double b) {
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      Cell c = copy();
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      c.xClip = transformBetweenDoubleRanges(DoubleRange(a, b), zeroToOne(), xClip);
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      ret c;
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    }
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    Cell[] ySplit() {
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      Cell[] cells = new[3];
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      for i to 3: cells[i] = ySlice(i/3.0, (i+1)/3.0);
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      ret cells;
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    }
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    Cell ySlice(double a, double b) {
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      Cell c = copy();
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      c.yClip = transformBetweenDoubleRanges(DoubleRange(a, b), zeroToOne(), yClip);
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      ret c;
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    }
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  }
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  // make the root cell
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  Cell rootCell() {
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    new Cell c;
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    c.xClip = doubleRange(0, image.getWidth());
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    c.yClip = doubleRange(0, image.getHeight());
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    for i to 3: c.colorClips[i] = doubleRange(0, 255);
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    ret c;
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  }
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}

Author comment

Began life as a copy of #1031930

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Travelled to 3 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx

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Snippet ID: #1031932
Snippet name: URecognizer [backup with xClip, yClip]
Eternal ID of this version: #1031932/4
Text MD5: b77a8c251349350772ec73df8563e83f
Transpilation MD5: 5a8a19dc832fd7f4b08a1ba9c61a50bd
Author: stefan
Category: javax / image recognition
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2021-08-02 05:24:02
Source code size: 2258 bytes / 96 lines
Pitched / IR pitched: No / No
Views / Downloads: 183 / 255
Version history: 3 change(s)
Referenced in: [show references]