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BoofCV is an open source Java library for real-time computer vision and robotics applications.

There is a newer version: 1.1.7

/*
 * Copyright (c) 2011-2018, 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.abst.feature.detdesc;

import boofcv.abst.feature.describe.DescriptorInfo;
import boofcv.abst.feature.detect.interest.InterestPointDetector;
import boofcv.struct.feature.TupleDesc;
import boofcv.struct.image.ImageBase;

/**
 * Interface for detecting and describing point features. By detecting and describing at the same time some algorithms
 * can be significantly speed up by avoiding recomputing preprocessing steps twice.
 *
 * @author Peter Abeles
 */
public interface DetectDescribePoint, Desc extends TupleDesc>
		extends InterestPointDetector, DescriptorInfo
{
	/**
	 * Returns the feature descriptor at the specified index.
	 * 
	 * WARNING: The returned data structure is recycled each time {@link #detect(boofcv.struct.image.ImageBase)}
	 * is called.  Create a copy if this is a problem.
	 * 
	 *
	 * @param index Which feature
	 * @return Feature descriptor
	 */
	Desc getDescription(int index);
}