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< > BotCompany Repo | #1027205 // IBWIntegralImage

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

Libraryless. Click here for Pure Java version (12542L/73K).

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sinterface IBWIntegralImage extends MakesBufferedImage, IBWImage, IMeta {
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  public int getWidth();
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  public int getHeight();
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  // implement one of the following two methods!
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  // integer version (both coordinates & brightnesses are ints)
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  public default int getIIValue(int x, int y) {
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    ret iround(getIIValue((double) x, (double) y));
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  }
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  // floating point version (both coordinates & brightnesses are doubles)
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  public default double getIIValue(double x, double y) {
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    ret getIIValue(ifloor(x), ifloor(y));
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  }
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  // 0.0 to 255.0
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  default public double getPixelAverage(int x1, int y1, int x2, int y2) {
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    int area = (x2-x1)*(y2-y1);
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    ret doubleRatio(getPixelSum(x1, y1, x2, y2), area);
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  }
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  default public dbl getPixelAverage(dbl x1, dbl y1, dbl x2, dbl y2) {
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    dbl area = (x2-x1)*(y2-y1);
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    ret doubleRatio(getPixelSum(x1, y1, x2, y2), area);
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  }
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  default public double getPixelAverage(Rect r) {
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    ret getPixelAverage(r.x, r.y, r.x2(), r.y2());
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  }
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  default public int getPixelSum(int x1, int y1, int x2, int y2) {
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    ret bwIntegralImage_sumRect(this, x1, y1, x2, y2);
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  }
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  default public double getPixelSum(double x1, double y1, double x2, double y2) {
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    ret bwIntegralImage_sumRect(this, x1, y1, x2, y2);
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  }
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  default public int getPixelBrightness aka getInt(int x, int y) {
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    ret getPixelSum(x, y, x+1, y+1);
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  }
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  default public int getPixelBrightness(Pt p) { ret getPixelBrightness(p.x, p.y); }
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  public default BufferedImage getBufferedImage() {
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    //ret scaleDownUsingIntegralImageBW(this, w).getBufferedImage();
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    ret grayImageFromIBWIntegralImage(this);
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  }
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  // implementing IBWImage
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  public default float getFloatPixel(int x, int y) {
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    ret getPixelBrightness(x, y)/255f;
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  }
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}

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Snippet ID: #1027205
Snippet name: IBWIntegralImage
Eternal ID of this version: #1027205/28
Text MD5: 99c4f06068b996d43ae2606eaf3ff0cf
Transpilation MD5: 8e3b942401575e1865a6af7c26d6907e
Author: stefan
Category: javax / image recognition
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-02-06 21:11:38
Source code size: 1814 bytes / 55 lines
Pitched / IR pitched: No / No
Views / Downloads: 295 / 758
Version history: 27 change(s)
Referenced in: [show references]