# Package org.opencv.core

- Class Summary
  Class | Description
  --- | ---
  Algorithm | This is a base class for all more or less complex algorithms in OpenCV especially for classes of algorithms, for which there can be multiple implementations.
  Core |
  Core.MinMaxLocResult |
  CvType |
  DMatch | Structure for matching: query descriptor index, train descriptor index, train image index and distance between descriptors.
  KeyPoint |
  Mat |
  MatOfByte |
  MatOfDMatch |
  MatOfDouble |
  MatOfFloat |
  MatOfFloat4 |
  MatOfFloat6 |
  MatOfInt |
  MatOfInt4 |
  MatOfKeyPoint |
  MatOfPoint |
  MatOfPoint2f |
  MatOfPoint3 |
  MatOfPoint3f |
  MatOfRect |
  MatOfRect2d |
  MatOfRotatedRect |
  Point |
  Point3 |
  Range |
  Rect |
  Rect2d |
  RotatedRect |
  Scalar |
  Size |
  TermCriteria |
  TickMeter | a Class to measure passing time.

- Exception Summary
  Exception | Description
  --- | ---
  CvException |

Generated on Wed Oct 9 2019 16:55:37 UTC / OpenCV 3.4.8