/*
* Copyright (c) 2011-2013, 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.struct.wavelet;
/**
* Provides a different set of coefficients along the image's border and the inner portion.
* This is required in conditions where simply remapping the indexes does not support the change.
*
* @author Peter Abeles
*/
public interface WlBorderCoef<T extends WlCoef> {
// positive is distance from lower border
// negative is distance from upper border
T getBorderCoefficients( int index );
public int getLowerLength();
public int getUpperLength();
/**
* Set of coefficients used inside the image where the scaling and wavelet signals do
* not go outside the image borders.
*
* @return Wavelet coefficients for inside the image.
*/
T getInnerCoefficients();
}