/* * Copyright (c) 2011-2015, 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.describe; import boofcv.alg.feature.describe.DescribePointSift; import boofcv.struct.Configuration; /** * Configuration for {@link DescribePointSift} * * @author Peter Abeles */ public class ConfigSiftDescribe implements Configuration { /** widthSubregion Width of sub-region in samples. Try 4 */ public int widthSubregion=4; /** widthGrid Width of grid in subregions. Try 4. */ public int widthGrid=4; /** numHistogramBins Number of bins in histogram. Try 8 */ public int numHistogramBins=8; /** sigmaToPixels Conversion of sigma to pixels. Used to scale the descriptor region. Try 1.0 */ public double sigmaToPixels=1.0; /** weightingSigmaFraction Sigma for Gaussian weighting function is set to this value * region width. Try 0.5 */ public double weightingSigmaFraction=0.5; /** maxDescriptorElementValue Helps with non-affine changes in lighting. See paper. Try 0.2 */ public double maxDescriptorElementValue=0.2; @Override public void checkValidity() { } }