|
| 1 | +/* |
| 2 | + * #%L |
| 3 | + * ImageJ software for multidimensional image processing and analysis. |
| 4 | + * %% |
| 5 | + * Copyright (C) 2014 - 2018 ImageJ developers. |
| 6 | + * %% |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions are met: |
| 9 | + * |
| 10 | + * 1. Redistributions of source code must retain the above copyright notice, |
| 11 | + * this list of conditions and the following disclaimer. |
| 12 | + * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 13 | + * this list of conditions and the following disclaimer in the documentation |
| 14 | + * and/or other materials provided with the distribution. |
| 15 | + * |
| 16 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| 20 | + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | + * POSSIBILITY OF SUCH DAMAGE. |
| 27 | + * #L% |
| 28 | + */ |
| 29 | + |
| 30 | +package net.imagej.ops.deconvolve; |
| 31 | + |
| 32 | +import java.util.Iterator; |
| 33 | +import java.util.concurrent.ExecutorService; |
| 34 | +import java.util.function.BiFunction; |
| 35 | +import java.util.function.Function; |
| 36 | + |
| 37 | +import net.imglib2.Cursor; |
| 38 | +import net.imglib2.Dimensions; |
| 39 | +import net.imglib2.FinalDimensions; |
| 40 | +import net.imglib2.FinalInterval; |
| 41 | +import net.imglib2.Interval; |
| 42 | +import net.imglib2.Point; |
| 43 | +import net.imglib2.RandomAccessibleInterval; |
| 44 | +import net.imglib2.img.Img; |
| 45 | +import net.imglib2.type.numeric.ComplexType; |
| 46 | +import net.imglib2.type.numeric.RealType; |
| 47 | +import net.imglib2.util.Util; |
| 48 | +import net.imglib2.view.Views; |
| 49 | + |
| 50 | +import org.scijava.Priority; |
| 51 | +import org.scijava.ops.OpDependency; |
| 52 | +import org.scijava.ops.core.Op; |
| 53 | +import org.scijava.ops.core.computer.Computer3; |
| 54 | +import org.scijava.ops.core.computer.Computer7; |
| 55 | +import org.scijava.ops.core.inplace.Inplace6First; |
| 56 | +import org.scijava.param.Parameter; |
| 57 | +import org.scijava.plugin.Plugin; |
| 58 | +import org.scijava.struct.ItemIO; |
| 59 | + |
| 60 | +/** |
| 61 | + * Calculate non-circulant normalization factor. This is used as part of the |
| 62 | + * Boundary condition handling scheme described here |
| 63 | + * http://bigwww.epfl.ch/deconvolution/challenge2013/index.html?p=doc_math_rl) |
| 64 | + * |
| 65 | + * @author Brian Northan |
| 66 | + * @param <I> |
| 67 | + * @param <O> |
| 68 | + * @param <K> |
| 69 | + * @param <C> |
| 70 | + */ |
| 71 | + |
| 72 | +@Plugin(type = Op.class, name = "deconvolve.normalizationFactor", |
| 73 | + priority = Priority.LOW) |
| 74 | +@Parameter(key = "io", type = ItemIO.BOTH) |
| 75 | +@Parameter(key = "k") |
| 76 | +@Parameter(key = "l") |
| 77 | +@Parameter(key = "fftInput") |
| 78 | +@Parameter(key = "fftKernel") |
| 79 | +@Parameter(key = "executorService") |
| 80 | +public class NonCirculantNormalizationFactor<I extends RealType<I>, O extends RealType<O>, K extends RealType<K>, C extends ComplexType<C>> |
| 81 | + implements Inplace6First<RandomAccessibleInterval<O>, Dimensions, Dimensions, RandomAccessibleInterval<C>, RandomAccessibleInterval<C>, ExecutorService> |
| 82 | +{ |
| 83 | + |
| 84 | + /** |
| 85 | + * k is the size of the measurement window. That is the size of the acquired |
| 86 | + * image before extension, k is required to calculate the non-circulant |
| 87 | + * normalization factor |
| 88 | + */ |
| 89 | + private Dimensions k; |
| 90 | + |
| 91 | + /** |
| 92 | + * l is the size of the psf, l is required to calculate the non-circulant |
| 93 | + * normalization factor |
| 94 | + */ |
| 95 | + private Dimensions l; |
| 96 | + |
| 97 | + RandomAccessibleInterval<C> fftInput; |
| 98 | + |
| 99 | + RandomAccessibleInterval<C> fftKernel; |
| 100 | + |
| 101 | + // Normalization factor for edge handling (see |
| 102 | + // http://bigwww.epfl.ch/deconvolution/challenge2013/index.html?p=doc_math_rl) |
| 103 | + private Img<O> normalization = null; |
| 104 | + |
| 105 | + @OpDependency(name = "create.img") |
| 106 | + private BiFunction<Dimensions, O, Img<O>> create; |
| 107 | + |
| 108 | + @OpDependency(name = "copy.rai") |
| 109 | + private Function<RandomAccessibleInterval<O>, RandomAccessibleInterval<O>> copy; |
| 110 | + |
| 111 | + @OpDependency(name = "filter.correlate") |
| 112 | + private Computer7<RandomAccessibleInterval<O>, RandomAccessibleInterval<K>, RandomAccessibleInterval<C>, RandomAccessibleInterval<C>, Boolean, Boolean, ExecutorService, RandomAccessibleInterval<O>> correlater; |
| 113 | + |
| 114 | +// @OpDependency(name = "math.divide") TODO: allow the matcher to fix this |
| 115 | + private Computer3<Iterable<O>, Iterable<O>, Double, Iterable<O>> divide = (in1, in2, in3, out) -> { |
| 116 | + Iterator<O> itr1 = in1.iterator(); |
| 117 | + Iterator<O> itr2 = in2.iterator(); |
| 118 | + Iterator<O> itrout = out.iterator(); |
| 119 | + |
| 120 | + while(itr1.hasNext() && itr2.hasNext() && itrout.hasNext()) { |
| 121 | + Double val2 = itr2.next().getRealDouble(); |
| 122 | + itrout.next().setReal(val2 == 0 ? in3 : itr1.next().getRealDouble() / val2); |
| 123 | + } |
| 124 | + }; |
| 125 | + |
| 126 | + /** |
| 127 | + * apply the normalization image needed for semi noncirculant model see |
| 128 | + * http://bigwww.epfl.ch/deconvolution/challenge2013/index.html?p=doc_math_rl |
| 129 | + */ |
| 130 | + @Override |
| 131 | + public void mutate(RandomAccessibleInterval<O> arg, final Dimensions k, final Dimensions l, final RandomAccessibleInterval<C> fftInput, final RandomAccessibleInterval<C> fftKernel, final ExecutorService es) { |
| 132 | + this.k = k; |
| 133 | + this.l = l; |
| 134 | + this.fftInput = fftInput; |
| 135 | + this.fftKernel = fftKernel; |
| 136 | + |
| 137 | + // if the normalization image hasn't been computed yet, then compute it |
| 138 | + if (normalization == null) { |
| 139 | + this.createNormalizationImageSemiNonCirculant(arg, Util.getTypeFromInterval(arg), es); |
| 140 | + } |
| 141 | + |
| 142 | + RandomAccessibleInterval<O> copyArg = copy.apply(arg); |
| 143 | + |
| 144 | + // normalize for non-circulant deconvolution |
| 145 | + divide.accept(Views.iterable(copyArg), normalization, 0., Views.iterable(arg)); |
| 146 | + } |
| 147 | + |
| 148 | + protected void createNormalizationImageSemiNonCirculant(Interval fastFFTInterval, O type, ExecutorService es) { |
| 149 | + |
| 150 | + // k is the window size (valid image region) |
| 151 | + final int length = k.numDimensions(); |
| 152 | + |
| 153 | + final long[] n = new long[length]; |
| 154 | + final long[] nFFT = new long[length]; |
| 155 | + |
| 156 | + // n is the valid image size plus the extended region |
| 157 | + // also referred to as object space size |
| 158 | + for (int d = 0; d < length; d++) { |
| 159 | + n[d] = k.dimension(d) + l.dimension(d) - 1; |
| 160 | + } |
| 161 | + |
| 162 | + // nFFT is the size of n after (potentially) extending further |
| 163 | + // to a fast FFT size |
| 164 | + for (int d = 0; d < length; d++) { |
| 165 | + nFFT[d] = fastFFTInterval.dimension(d); |
| 166 | + } |
| 167 | + |
| 168 | + FinalDimensions fd = new FinalDimensions(nFFT); |
| 169 | + |
| 170 | + // create the normalization image |
| 171 | + normalization = create.apply(fd, type); |
| 172 | + |
| 173 | + // size of the measurement window |
| 174 | + final Point size = new Point(length); |
| 175 | + final long[] sizel = new long[length]; |
| 176 | + |
| 177 | + for (int d = 0; d < length; d++) { |
| 178 | + size.setPosition(k.dimension(d), d); |
| 179 | + sizel[d] = k.dimension(d); |
| 180 | + } |
| 181 | + |
| 182 | + // starting point of the measurement window when it is centered in fft space |
| 183 | + final Point start = new Point(length); |
| 184 | + final long[] startl = new long[length]; |
| 185 | + final long[] endl = new long[length]; |
| 186 | + |
| 187 | + for (int d = 0; d < length; d++) { |
| 188 | + start.setPosition((nFFT[d] - k.dimension(d)) / 2, d); |
| 189 | + startl[d] = (nFFT[d] - k.dimension(d)) / 2; |
| 190 | + endl[d] = startl[d] + sizel[d] - 1; |
| 191 | + } |
| 192 | + |
| 193 | + // size of the object space |
| 194 | + final Point maskSize = new Point(length); |
| 195 | + final long[] maskSizel = new long[length]; |
| 196 | + |
| 197 | + for (int d = 0; d < length; d++) { |
| 198 | + maskSize.setPosition(Math.min(n[d], nFFT[d]), d); |
| 199 | + maskSizel[d] = Math.min(n[d], nFFT[d]); |
| 200 | + } |
| 201 | + |
| 202 | + // starting point of the object space within the fft space |
| 203 | + final Point maskStart = new Point(length); |
| 204 | + final long[] maskStartl = new long[length]; |
| 205 | + |
| 206 | + for (int d = 0; d < length; d++) { |
| 207 | + maskStart.setPosition((Math.max(0, nFFT[d] - n[d]) / 2), d); |
| 208 | + maskStartl[d] = (Math.max(0, nFFT[d] - n[d]) / 2); |
| 209 | + } |
| 210 | + |
| 211 | + final RandomAccessibleInterval<O> temp = Views.interval(normalization, |
| 212 | + new FinalInterval(startl, endl)); |
| 213 | + final Cursor<O> normCursor = Views.iterable(temp).cursor(); |
| 214 | + |
| 215 | + // draw a cube the size of the measurement space |
| 216 | + while (normCursor.hasNext()) { |
| 217 | + normCursor.fwd(); |
| 218 | + normCursor.get().setReal(1.0); |
| 219 | + } |
| 220 | + |
| 221 | + final Img<O> tempImg = create.apply(fd, type); |
| 222 | + |
| 223 | + // 3. correlate psf with the output of step 2. |
| 224 | + correlater.compute(normalization, null, fftInput, fftKernel, true, false, es, tempImg); |
| 225 | + |
| 226 | + normalization = tempImg; |
| 227 | + |
| 228 | + final Cursor<O> cursorN = normalization.cursor(); |
| 229 | + |
| 230 | + while (cursorN.hasNext()) { |
| 231 | + cursorN.fwd(); |
| 232 | + |
| 233 | + if (cursorN.get().getRealFloat() <= 1e-3f) { |
| 234 | + cursorN.get().setReal(1.0f); |
| 235 | + |
| 236 | + } |
| 237 | + } |
| 238 | + } |
| 239 | +} |
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