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Create a MCvSURFParams using the specific values
Namespace: Emgu.CV.Features2DAssembly: Emgu.CV (in Emgu.CV.dll) Version: 2.3.0.1416 (2.3.0.1416)
Syntax
C# |
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public SURFDetector(
double hessianThresh,
bool extendedFlag
) |
Visual Basic |
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Public Sub New ( _
hessianThresh As Double, _
extendedFlag As Boolean _
) |
Visual C++ |
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public:
SURFDetector(
double hessianThresh,
bool extendedFlag
) |
Parameters
- hessianThresh
- Type: System..::..Double
Only features with keypoint.hessian larger than that are extracted.
good default value is ~300-500 (can depend on the average local contrast and sharpness of the image).
user can further filter out some features based on their hessian values and other characteristics
- extendedFlag
- Type: System..::..Boolean
false means basic descriptors (64 elements each),
true means extended descriptors (128 elements each)
See Also