Package boofcv.alg.feature.orientation

Class OrientationImageAverage<T extends ImageGray<T>>

java.lang.Object
boofcv.alg.feature.orientation.OrientationImageAverage<T>
All Implemented Interfaces:
OrientationImage<T>, RegionOrientation
Direct Known Subclasses:
ImplOrientationImageAverage_F32, ImplOrientationImageAverage_U8
public abstract class OrientationImageAverage<T extends ImageGray<T>> extends Object implements OrientationImage<T>
Computes the orientation of a region by computing a weighted sum of each pixel's intensity using their respective sine and cosine values.

  • Field Details

    • image

      protected T extends ImageGray<T> image

    • rect

      protected ImageRectangle rect

    • objectToSample

      protected double objectToSample

    • sampleRadius

      protected int sampleRadius

    • objectRadius

      protected double objectRadius

    • kerCosine

      protected Kernel2D_F32 kerCosine

    • kerSine

      protected Kernel2D_F32 kerSine

  • Constructor Details

    • OrientationImageAverage

      protected OrientationImageAverage(double objectToSample, int defaultRadius)

  • Method Details

    • setImage

      public void setImage(T image)
      Description copied from interface: OrientationImage
      Specifies input image data for estimating orientation.
      Specified by:
      setImage in interface OrientationImage<T extends ImageGray<T>>
      Parameters:
      image - Input image..

    • setObjectRadius

      public void setObjectRadius(double objectRadius)
      Description copied from interface: RegionOrientation
      Specifies the circle's radius that the orientation should be
      Specified by:
      setObjectRadius in interface RegionOrientation
      Parameters:
      objectRadius - Object's radius.

    • compute

      public double compute(double X, double Y)
      Description copied from interface: RegionOrientation
      Computes the orientation of a region about its center.
      Specified by:
      compute in interface RegionOrientation
      Parameters:
      X - Center of the region in image pixels.
      Y - Center of the region in image pixels.
      Returns:
      Orientation in radians. Angle zero points along x-axis and pi/2 along y-axis.

    • computeAngle

      protected abstract double computeAngle(int c_x, int c_y)