/* * #%L * ImageJ software for multidimensional image processing and analysis. * %% * Copyright (C) 2014 - 2020 ImageJ developers. * %% * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * #L% */ package net.imagej.ops.imagemoments.centralmoments; import net.imagej.ops.Op; import net.imagej.ops.Ops; import net.imagej.ops.imagemoments.AbstractImageMomentOp; import net.imagej.ops.special.chain.RTs; import net.imagej.ops.special.function.UnaryFunctionOp; import net.imglib2.Cursor; import net.imglib2.IterableInterval; import net.imglib2.type.numeric.RealType; import org.scijava.plugin.Plugin; /** * {@link Op} to calculate the {@code imageMoments.centralMoment03} using * * @author Daniel Seebacher (University of Konstanz) * @author Christian Dietz (University of Konstanz) * @param <I> input type * @param <O> output type */ @Plugin(type = Ops.ImageMoments.CentralMoment03.class, label = "Image Moment: CentralMoment03") public class DefaultCentralMoment03<I extends RealType<I>, O extends RealType<O>> extends AbstractImageMomentOp<I, O> implements Ops.ImageMoments.CentralMoment03 { private UnaryFunctionOp<IterableInterval<I>, O> moment00Func; private UnaryFunctionOp<IterableInterval<I>, O> moment01Func; @Override public void initialize() { moment00Func = RTs.function(ops(), Ops.ImageMoments.Moment00.class, in()); moment01Func = RTs.function(ops(), Ops.ImageMoments.Moment01.class, in()); } @Override public void compute(final IterableInterval<I> input, final O output) { final double moment00 = moment00Func.calculate(input).getRealDouble(); final double moment01 = moment01Func.calculate(input).getRealDouble(); final double centerY = moment01 / moment00; double centralmoment03 = 0; final Cursor<I> it = input.localizingCursor(); while (it.hasNext()) { it.fwd(); final double y = it.getDoublePosition(1) - centerY; final double val = it.get().getRealDouble(); centralmoment03 += val * y * y * y; } output.setReal(centralmoment03); } }