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: 2.2.1.1150 (2.2.1.1150)
Syntax
C# | Visual Basic | Visual C++ |
Public Sub GetIntrinsicMatrixValues ( _ imgWidth As Integer, _ imgHeight As Integer, _ apertureWidth As Double, _ apertureHeight As Double, _ <OutAttribute> ByRef fovx As Double, _ <OutAttribute> ByRef fovy As Double, _ <OutAttribute> ByRef focalLength As Double, _ <OutAttribute> ByRef principalPoint As MCvPoint2D64f, _ <OutAttribute> ByRef pixelAspectRatio As Double _ )
public: void GetIntrinsicMatrixValues( int imgWidth, int imgHeight, double apertureWidth, double apertureHeight, [OutAttribute] double% fovx, [OutAttribute] double% fovy, [OutAttribute] double% focalLength, [OutAttribute] MCvPoint2D64f% principalPoint, [OutAttribute] double% pixelAspectRatio )
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