detectFASTFeatures
Detect FAST corner features.
📝Syntax
points = detectFASTFeatures(I)
points = detectFASTFeatures(I, Name, Value)
📥Input Arguments
Parameter Description
I Input grayscale or RGB image.
📤Output Arguments
Parameter Description
points Structure with Location, Metric and Count fields.
📄Description

detectFASTFeatures applies a FAST-9 style circle test and returns local feature coordinates sorted by contrast strength. Supported options are MinContrast, MinQuality and ROI.

💡Examples
Detect FAST features
I=zeros(64,64); I(18:46,18:46)=1; I(30:34,10:54)=0.5;
points=detectFASTFeatures(I,'MinContrast',0.2);
figure; imagesc(I); axis image; hold on;
plot(points.Location(:,1),points.Location(:,2),'g+'); title('FAST points');
Example illustration
🔗See Also
cornermetricdetectHarrisFeatures
🕔Version History
Version Description
2.0.0 initial version
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