boofcv.struct.sparse.SparseImageGradient Maven / Gradle / Ivy
/*
* Copyright (c) 2020, 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.sparse;
import boofcv.struct.image.ImageGray;
/**
* Computes the image gradient on a per pixel basis.
*
* @author Peter Abeles
*/
public interface SparseImageGradient, G extends GradientValue>
extends SparseImageOperator {
/**
* Computes the gradient at the specified point.
*
* @param x x-axis pixel coordinate
* @param y y-axis pixel coordinate
* @return Gradient at that point.
*/
public G compute( int x, int y );
public Class getGradientType();
}