Computes various useful camera (sensor/lens) characteristics using the computed camera calibration matrix, image frame resolution in pixels and the physical aperture size
Namespace:
Emgu.CVAssembly: Emgu.CV (in Emgu.CV.dll) Version: 2.1.0.649 (2.1.0.649)
Syntax
C# | Visual Basic | Visual C++ |
Public Shared Sub cvCalibrationMatrixValues ( _ calibMatr As IntPtr, _ imgWidth As Integer, _ imgHeight As Integer, _ apertureWidth As Double, _ apertureHeight As Double, _ ByRef fovx As Double, _ ByRef fovy As Double, _ ByRef focalLength As Double, _ ByRef principalPoint As MCvPoint2D64f, _ ByRef pixelAspectRatio As Double _ )
Parameters
- calibMatr
- IntPtr
The matrix of intrinsic parameters
- imgWidth
- Int32
Image width in pixels
- imgHeight
- Int32
Image height in pixels
- apertureWidth
- Double
Aperture width in realworld units (optional input parameter). Set it to 0 if not used
- apertureHeight
- Double
Aperture width in realworld units (optional input parameter). Set it to 0 if not used
- fovx
-
Double
%
Field of view angle in x direction in degrees
- fovy
-
Double
%
Field of view angle in y direction in degrees
- focalLength
-
Double
%
Focal length in realworld units
- principalPoint
-
MCvPoint2D64f
%
The principal point in realworld units
- pixelAspectRatio
-
Double
%
The pixel aspect ratio ~ fy/f