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/*
* Copyright (c) 2011-2016, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package boofcv.factory.background;
import boofcv.alg.background.BackgroundModelStationary;
import boofcv.alg.background.moving.*;
import boofcv.alg.background.stationary.*;
import boofcv.struct.distort.Point2Transform2Model_F32;
import boofcv.struct.image.ImageBase;
import boofcv.struct.image.ImageType;
import georegression.struct.InvertibleTransform;
/**
* Factory for creating implementations of {@link BackgroundModelStationary} and {@link boofcv.alg.background.BackgroundModelMoving}
*
* @author Peter Abeles
*/
@SuppressWarnings("unchecked")
public class FactoryBackgroundModel {
/**
* Creates an instance of {@link BackgroundMovingBasic}.
*
* @param config Configures the background model
* @param imageType Type of input image
* @return new instance of the background model
*/
public static
BackgroundStationaryBasic stationaryBasic( ConfigBackgroundBasic config , ImageType imageType ) {
config.checkValidity();
switch( imageType.getFamily() ) {
case GRAY:
return new BackgroundStationaryBasic_SB(config.learnRate,config.threshold,imageType.getImageClass());
case PLANAR:
return new BackgroundStationaryBasic_PL(config.learnRate,config.threshold,imageType);
case INTERLEAVED:
return new BackgroundStationaryBasic_IL(config.learnRate,config.threshold,imageType);
}
throw new IllegalArgumentException("Unknown image type");
}
/**
* Creates an instance of {@link BackgroundMovingBasic}.
*
* @param config Configures the background model
* @param imageType Type of input image
* @return new instance of the background model
*/
public static >
BackgroundMovingBasic movingBasic(ConfigBackgroundBasic config ,
Point2Transform2Model_F32 transform, ImageType imageType ) {
config.checkValidity();
switch( imageType.getFamily() ) {
case GRAY:
return new BackgroundMovingBasic_SB(config.learnRate,config.threshold,
transform,config.interpolation,imageType.getImageClass());
case PLANAR:
return new BackgroundMovingBasic_PL(config.learnRate,config.threshold,
transform,config.interpolation,imageType);
case INTERLEAVED:
return new BackgroundMovingBasic_IL(config.learnRate,config.threshold,
transform,config.interpolation,imageType);
}
throw new IllegalArgumentException("Unknown image type");
}
/**
* Creates an instance of {@link BackgroundStationaryGaussian}.
*
* @param config Configures the background model
* @param imageType Type of input image
* @return new instance of the background model
*/
public static
BackgroundStationaryGaussian stationaryGaussian( ConfigBackgroundGaussian config , ImageType imageType ) {
config.checkValidity();
BackgroundStationaryGaussian ret;
switch( imageType.getFamily() ) {
case GRAY:
ret = new BackgroundStationaryGaussian_SB(config.learnRate,config.threshold,imageType.getImageClass());
break;
case PLANAR:
ret = new BackgroundStationaryGaussian_PL(config.learnRate,config.threshold,imageType);
break;
case INTERLEAVED:
ret = new BackgroundStationaryGaussian_IL(config.learnRate,config.threshold,imageType);
break;
default:
throw new IllegalArgumentException("Unknown image type");
}
ret.setInitialVariance(config.initialVariance);
ret.setMinimumDifference(config.minimumDifference);
return ret;
}
/**
* Creates an instance of {@link BackgroundMovingGaussian}.
*
* @param config Configures the background model
* @param imageType Type of input image
* @return new instance of the background model
*/
public static >
BackgroundMovingGaussian movingGaussian( ConfigBackgroundGaussian config ,
Point2Transform2Model_F32 transform,
ImageType imageType ) {
config.checkValidity();
BackgroundMovingGaussian ret;
switch( imageType.getFamily() ) {
case GRAY:
ret = new BackgroundMovingGaussian_SB(config.learnRate,config.threshold,
transform,config.interpolation,imageType.getImageClass());
break;
case PLANAR:
ret = new BackgroundMovingGaussian_PL(config.learnRate,config.threshold,
transform,config.interpolation,imageType);
break;
case INTERLEAVED:
ret = new BackgroundMovingGaussian_IL(config.learnRate,config.threshold,
transform,config.interpolation,imageType);
break;
default:
throw new IllegalArgumentException("Unknown image type");
}
ret.setInitialVariance(config.initialVariance);
ret.setMinimumDifference(config.minimumDifference);
return ret;
}
}