/**
* Detects Shi-Tomasi corners.
*
* @param configDetector Configuration for feature detector.
* @param weighted Is a Gaussian weight applied to the sample region? False is much faster.
* @param derivType Type of derivative image.
* @see boofcv.alg.feature.detect.intensity.ShiTomasiCornerIntensity
*/
public static <T extends ImageSingleBand, D extends ImageSingleBand>
GeneralFeatureDetector<T, D> createShiTomasi(
ConfigGeneralDetector configDetector, boolean weighted, Class<D> derivType) {
if (configDetector == null) configDetector = new ConfigGeneralDetector();
GradientCornerIntensity<D> cornerIntensity =
FactoryIntensityPointAlg.shiTomasi(configDetector.radius, weighted, derivType);
return createGeneral(cornerIntensity, configDetector);
}
public IntensityFeatureScaleSpacePyramidApp(Class<T> imageType, Class<D> derivType) {
super(1);
this.imageType = imageType;
addAlgorithm(
0,
"Hessian Det",
new WrapperHessianBlobIntensity<T, D>(HessianBlobIntensity.Type.DETERMINANT, derivType));
addAlgorithm(
0,
"Laplacian",
new WrapperHessianBlobIntensity<T, D>(HessianBlobIntensity.Type.TRACE, derivType));
addAlgorithm(
0,
"Harris",
new WrapperGradientCornerIntensity<T, D>(
FactoryIntensityPointAlg.harris(2, 0.4f, false, derivType)));
addAlgorithm(
0,
"Shi Tomasi",
new WrapperGradientCornerIntensity<T, D>(
FactoryIntensityPointAlg.shiTomasi(2, false, derivType)));
addAlgorithm(
0,
"FAST 12",
new WrapperFastCornerIntensity<T, D>(FactoryIntensityPointAlg.fast12(5, 11, imageType)));
addAlgorithm(0, "KitRos", new WrapperKitRosCornerIntensity<T, D>(derivType));
addAlgorithm(
0,
"Median",
new WrapperMedianCornerIntensity<T, D>(FactoryBlurFilter.median(imageType, 2), imageType));
setMainGUI(gui);
double scales[] = new double[25];
for (int i = 0; i < scales.length; i++) {
scales[i] = Math.exp(i * 0.15);
}
pyramid = new ScaleSpacePyramid<T>(imageType, scales);
anyDerivative =
GImageDerivativeOps.createDerivatives(imageType, FactoryImageGenerator.create(derivType));
}
/**
* Creates a Fast corner detector.
*
* @param configFast Configuration for FAST feature detector
* @param configDetector Configuration for feature extractor.
* @param imageType Type of input image.
* @see FastCornerIntensity
*/
@SuppressWarnings("UnnecessaryLocalVariable")
public static <T extends ImageSingleBand, D extends ImageSingleBand>
GeneralFeatureDetector<T, D> createFast(
ConfigFast configFast, ConfigGeneralDetector configDetector, Class<T> imageType) {
if (configFast == null) configFast = new ConfigFast();
configFast.checkValidity();
ConfigGeneralDetector d = configDetector;
FastCornerIntensity<T> alg =
FactoryIntensityPointAlg.fast(configFast.pixelTol, configFast.minContinuous, imageType);
GeneralFeatureIntensity<T, D> intensity = new WrapperFastCornerIntensity<T, D>(alg);
ConfigGeneralDetector configExtract =
new ConfigGeneralDetector(d.maxFeatures, d.radius, d.threshold, 0, true, false, true);
return createGeneral(intensity, configExtract);
}