Property VLExtractRobustFeatures.TVLExtractRobustFeatures.HessianThreshold
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=== Delphi: === | === Delphi: === | ||
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| − | '''property''' HessianThreshold : Real '''read''' FHessianThreshold '''write''' SetHessianThreshold; | + | '''property''' HessianThreshold : Real '''read''' FHessianThreshold '''write''' SetHessianThreshold '''default''' 500; |
</code> | </code> | ||
=== C++ Builder: === | === C++ Builder: === | ||
<code> | <code> | ||
| − | '''__property''' double HessianThreshold = { '''read'''=FHessianThreshold, '''write'''=SetHessianThreshold }; | + | '''__property''' double HessianThreshold = { '''read'''=FHessianThreshold, '''write'''=SetHessianThreshold, '''default'''=500 }; |
</code> | </code> | ||
Latest revision as of 00:11, 26 June 2013
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Class: TVLExtractRobustFeatures
Contents |
Syntax
Delphi:
property HessianThreshold : Real read FHessianThreshold write SetHessianThreshold default 500;
C++ Builder:
__property double HessianThreshold = { read=FHessianThreshold, write=SetHessianThreshold, default=500 };
Summary
Specifies the Hessian threshold.
Description
Use this property to specify the Hessian threshold.
Only features with 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.
