Examples with Coordinate uk.ac.sussex.gdsc.core.match.Coordinate used on opensource projects

Example 6 with Coordinate

use of uk.ac.sussex.gdsc.core.match.Coordinate in project GDSC-SMLM by aherbert.

the class ResultsMatchCalculator method getCoordinates.

/**
 * Build a map between the peak id (time point) and a list of coordinates.
 *
 * @param results the results
 * @param coordinateMethod the coordinate method
 * @param integerCoordinates True if the values should be rounded down to integers
 * @return the coordinates
 */
public static TIntObjectHashMap<List<Coordinate>> getCoordinates(MemoryPeakResults results, CoordinateMethod coordinateMethod, final boolean integerCoordinates) {
    final TIntObjectHashMap<List<Coordinate>> coords = new TIntObjectHashMap<>();
    if (results.size() > 0) {
        // Do not use HashMap directly to build the coords object since there
        // will be many calls to getEntry(). Instead sort the results and use
        // a new list for each time point
        results.sort();
        final int minT = results.getFirstFrame();
        final int maxT = results.getLastFrame();
        // Create lists
        final ArrayList<ArrayList<Coordinate>> tmpCoords = new ArrayList<>(maxT - minT + 1);
        for (int t = minT; t <= maxT; t++) {
            tmpCoords.add(new ArrayList<Coordinate>());
        }
        // Add the results to the lists
        results.forEach((PeakResultProcedure) result -> {
            final float x;
            final float y;
            final float z;
            if (integerCoordinates) {
                x = (int) result.getXPosition();
                y = (int) result.getYPosition();
                z = (int) result.getZPosition();
            } else {
                x = result.getXPosition();
                y = result.getYPosition();
                z = result.getZPosition();
            }
            final int startFrame = getStartFrame(result, coordinateMethod);
            final int endFrame = getEndFrame(result, coordinateMethod);
            for (int t = startFrame - minT, i = endFrame - startFrame + 1; i-- > 0; t++) {
                tmpCoords.get(t).add(new PeakResultPoint(t + minT, x, y, z, result));
            }
        });
        // Put in the map
        for (int t = minT, i = 0; t <= maxT; t++, i++) {
            coords.put(t, tmpCoords.get(i));
        }
    }
    return coords;
}

Example 7 with Coordinate

use of uk.ac.sussex.gdsc.core.match.Coordinate in project GDSC-SMLM by aherbert.

the class ClassificationMatchCalculator method runCompareClassifications.

private void runCompareClassifications(MemoryPeakResults results1, MemoryPeakResults results2) {
    final List<PointPair> allMatches = new LinkedList<>();
    // Optionally exclude results which do not have an id and/or category
    Predicate<PeakResult> test = settings.useId == ClassAnalysis.IGNORE_ZERO ? r -> r.getId() != 0 : null;
    if (settings.useCategory == ClassAnalysis.IGNORE_ZERO) {
        final Predicate<PeakResult> test2 = r -> r.getCategory() != 0;
        test = test == null ? test2 : test.and(test2);
    } else if (test == null) {
        test = r -> true;
    }
    // Divide the results into time points
    final TIntObjectHashMap<List<PeakResultPoint>> coordinates1 = getCoordinates(results1, test);
    final TIntObjectHashMap<List<PeakResultPoint>> coordinates2 = getCoordinates(results2, test);
    // Process each time point
    int n1 = 0;
    int n2 = 0;
    for (final int t : getTimepoints(coordinates1, coordinates2)) {
        final Coordinate[] c1 = getCoordinates(coordinates1, t);
        final Coordinate[] c2 = getCoordinates(coordinates2, t);
        n1 += c1.length;
        n2 += c2.length;
        final List<PointPair> matches = new LinkedList<>();
        MatchCalculator.analyseResults3D(c1, c2, settings.matchDistance, null, null, null, matches);
        allMatches.addAll(matches);
    }
    if (allMatches.isEmpty()) {
        IJ.error(TITLE, "No localisation matches between the two results sets");
        return;
    }
    // Get the unique Ids and Categories in the matches.
    final Mapper ids = getMapper(allMatches, PeakResult::getId, settings.useId);
    final Mapper cats = getMapper(allMatches, PeakResult::getCategory, settings.useCategory);
    // Map id/category to an index = stride * cat + id
    final int stride = ids.size();
    // Any integer is allowed as an index
    if ((long) stride * cats.size() > 1L << 32) {
        IJ.error(TITLE, "Too many combinations of id and category to assigne unique labels");
        return;
    }
    // Extract indices
    final int[] set1 = new int[allMatches.size()];
    final int[] set2 = new int[allMatches.size()];
    int i = 0;
    for (final PointPair r : allMatches) {
        set1[i] = toIndex(stride, ids, cats, ((PeakResultPoint) r.getPoint1()).getPeakResult());
        set2[i] = toIndex(stride, ids, cats, ((PeakResultPoint) r.getPoint2()).getPeakResult());
        i++;
    }
    final Resequencer re = new Resequencer();
    re.setCacheMap(true);
    re.renumber(set1);
    re.renumber(set2);
    // Compare
    final RandIndex r = new RandIndex().compute(set1, set2);
    final TextWindow resultsWindow = ImageJUtils.refresh(resultsWindowRef, () -> new TextWindow(TITLE + " Results", "Results1\tResults2\tID\tCategory\tn1\tc1\tn2\tc2\tMatched\tRand Index\tAdjusted RI", "", 900, 300));
    try (BufferedTextWindow bw = new BufferedTextWindow(resultsWindow)) {
        final StringBuilder sb = new StringBuilder(2048);
        sb.append(results1.getName()).append('\t');
        sb.append(results2.getName()).append('\t');
        sb.append(ANALYSIS_OPTION[settings.useId.ordinal()]).append('\t');
        sb.append(ANALYSIS_OPTION[settings.useCategory.ordinal()]).append('\t');
        sb.append(n1).append('\t');
        sb.append(MathUtils.max(set1) + 1).append('\t');
        sb.append(n2).append('\t');
        sb.append(MathUtils.max(set2) + 1).append('\t');
        sb.append(set1.length).append('\t');
        sb.append(MathUtils.rounded(r.getRandIndex())).append('\t');
        sb.append(MathUtils.rounded(r.getAdjustedRandIndex())).append('\t');
        bw.append(sb.toString());
    }
}

Example 8 with Coordinate

use of uk.ac.sussex.gdsc.core.match.Coordinate in project GDSC-SMLM by aherbert.

the class BenchmarkSpotFit method runFitting.

private BenchmarkSpotFitResult runFitting() {
    // Extract all the results in memory into a list per frame. This can be cached
    boolean refresh = false;
    Pair<Integer, TIntObjectHashMap<List<Coordinate>>> coords = coordinateCache.get();
    if (coords.getKey() != simulationParameters.id) {
        // Do not get integer coordinates
        // The Coordinate objects will be PeakResultPoint objects that store the original PeakResult
        // from the MemoryPeakResults
        coords = Pair.of(simulationParameters.id, ResultsMatchCalculator.getCoordinates(results, false));
        coordinateCache.set(coords);
        refresh = true;
    }
    final TIntObjectHashMap<List<Coordinate>> actualCoordinates = coords.getValue();
    // Extract all the candidates into a list per frame. This can be cached if the settings have not
    // changed
    final int width = (config.isIncludeNeighbours()) ? config.getFittingWidth() : 0;
    CandidateData candidateData = candidateDataCache.get();
    if (refresh || candidateData == null || candidateData.differentSettings(filterResult.id, settings, width)) {
        candidateData = subsetFilterResults(filterResult.filterResults, width);
        candidateDataCache.set(candidateData);
    }
    final StopWatch stopWatch = StopWatch.createStarted();
    final ImageStack stack = imp.getImageStack();
    clearFitResults();
    // Save results to memory
    final MemoryPeakResults peakResults = new MemoryPeakResults();
    peakResults.copySettings(this.results);
    peakResults.setName(TITLE);
    config.configureOutputUnits();
    final FitConfiguration fitConfig = config.getFitConfiguration();
    peakResults.setCalibration(fitConfig.getCalibration());
    MemoryPeakResults.addResults(peakResults);
    // Create a pool of workers
    final int nThreads = Prefs.getThreads();
    final BlockingQueue<Integer> jobs = new ArrayBlockingQueue<>(nThreads * 2);
    final List<Worker> workers = new LinkedList<>();
    final List<Thread> threads = new LinkedList<>();
    final Ticker ticker = ImageJUtils.createTicker(stack.getSize(), nThreads, "Fitting frames ...");
    final PeakResults syncResults = SynchronizedPeakResults.create(peakResults, nThreads);
    for (int i = 0; i < nThreads; i++) {
        final Worker worker = new Worker(jobs, stack, actualCoordinates, candidateData.filterCandidates, syncResults, ticker);
        final Thread t = new Thread(worker);
        workers.add(worker);
        threads.add(t);
        t.start();
    }
    // Fit the frames
    final long startTime = System.nanoTime();
    for (int i = 1; i <= stack.getSize(); i++) {
        put(jobs, i);
    }
    // Finish all the worker threads by passing in a null job
    for (int i = 0; i < threads.size(); i++) {
        put(jobs, -1);
    }
    // Wait for all to finish
    for (int i = 0; i < threads.size(); i++) {
        try {
            threads.get(i).join();
        } catch (final InterruptedException ex) {
            Thread.currentThread().interrupt();
            throw new ConcurrentRuntimeException(ex);
        }
    }
    final long runTime = System.nanoTime() - startTime;
    threads.clear();
    ImageJUtils.finished();
    if (ImageJUtils.isInterrupted()) {
        return null;
    }
    stopWatch.stop();
    final String timeString = stopWatch.toString();
    IJ.log("Spot fit time : " + timeString);
    IJ.showStatus("Collecting results ...");
    if (fitConfig.isFitCameraCounts()) {
        // Convert to photons for consistency
        results.convertToPreferredUnits();
    }
    final TIntObjectHashMap<FilterCandidates> fitResults = new TIntObjectHashMap<>();
    for (final Worker w : workers) {
        fitResults.putAll(w.results);
    }
    // Assign a unique ID to each result
    int count = 0;
    // Materialise into an array since we use it twice
    final FilterCandidates[] candidates = fitResults.values(new FilterCandidates[fitResults.size()]);
    for (final FilterCandidates result : candidates) {
        for (int i = 0; i < result.fitResult.length; i++) {
            final MultiPathFitResult fitResult = result.fitResult[i];
            count += count(fitResult.getSingleFitResult());
            count += count(fitResult.getMultiFitResult());
            count += count(fitResult.getDoubletFitResult());
            count += count(fitResult.getMultiDoubletFitResult());
        }
    }
    final PreprocessedPeakResult[] preprocessedPeakResults = new PreprocessedPeakResult[count];
    count = 0;
    for (final FilterCandidates result : candidates) {
        for (int i = 0; i < result.fitResult.length; i++) {
            final MultiPathFitResult fitResult = result.fitResult[i];
            count = store(fitResult.getSingleFitResult(), count, preprocessedPeakResults);
            count = store(fitResult.getMultiFitResult(), count, preprocessedPeakResults);
            count = store(fitResult.getDoubletFitResult(), count, preprocessedPeakResults);
            count = store(fitResult.getMultiDoubletFitResult(), count, preprocessedPeakResults);
        }
    }
    final BenchmarkSpotFitResult newSpotFitResults = new BenchmarkSpotFitResult(simulationParameters.id, fitResults);
    newSpotFitResults.distanceInPixels = distanceInPixels;
    newSpotFitResults.lowerDistanceInPixels = lowerDistanceInPixels;
    newSpotFitResults.stopWatch = stopWatch;
    summariseResults(newSpotFitResults, runTime, preprocessedPeakResults, count, candidateData, actualCoordinates);
    IJ.showStatus("");
    spotFitResults.set(newSpotFitResults);
    return newSpotFitResults;
}

Example 9 with Coordinate

use of uk.ac.sussex.gdsc.core.match.Coordinate in project GDSC-SMLM by aherbert.

the class BenchmarkSpotFit method summariseResults.

private void summariseResults(BenchmarkSpotFitResult spotFitResults, long runTime, final PreprocessedPeakResult[] preprocessedPeakResults, int uniqueIdCount, CandidateData candidateData, TIntObjectHashMap<List<Coordinate>> actualCoordinates) {
    // Summarise the fitting results. N fits, N failures.
    // Optimal match statistics if filtering is perfect (since fitting is not perfect).
    final StoredDataStatistics distanceStats = new StoredDataStatistics();
    final StoredDataStatistics depthStats = new StoredDataStatistics();
    // Get stats for all fitted results and those that match
    // Signal, SNR, Width, xShift, yShift, Precision
    createFilterCriteria();
    final StoredDataStatistics[][] stats = new StoredDataStatistics[3][filterCriteria.length];
    for (int i = 0; i < stats.length; i++) {
        for (int j = 0; j < stats[i].length; j++) {
            stats[i][j] = new StoredDataStatistics();
        }
    }
    final double nmPerPixel = simulationParameters.pixelPitch;
    double tp = 0;
    double fp = 0;
    int failCtp = 0;
    int failCfp = 0;
    int ctp = 0;
    int cfp = 0;
    final int[] singleStatus = new int[FitStatus.values().length];
    final int[] multiStatus = new int[singleStatus.length];
    final int[] doubletStatus = new int[singleStatus.length];
    final int[] multiDoubletStatus = new int[singleStatus.length];
    // Easier to materialise the values since we have a lot of non final variables to manipulate
    final TIntObjectHashMap<FilterCandidates> fitResults = spotFitResults.fitResults;
    final int[] frames = new int[fitResults.size()];
    final FilterCandidates[] candidates = new FilterCandidates[fitResults.size()];
    final int[] counter = new int[1];
    fitResults.forEachEntry((frame, candidate) -> {
        frames[counter[0]] = frame;
        candidates[counter[0]] = candidate;
        counter[0]++;
        return true;
    });
    for (final FilterCandidates result : candidates) {
        // Count the number of fit results that matched (tp) and did not match (fp)
        tp += result.tp;
        fp += result.fp;
        for (int i = 0; i < result.fitResult.length; i++) {
            if (result.spots[i].match) {
                ctp++;
            } else {
                cfp++;
            }
            final MultiPathFitResult fitResult = result.fitResult[i];
            if (singleStatus != null && result.spots[i].match) {
                // Debugging reasons for fit failure
                addStatus(singleStatus, fitResult.getSingleFitResult());
                addStatus(multiStatus, fitResult.getMultiFitResult());
                addStatus(doubletStatus, fitResult.getDoubletFitResult());
                addStatus(multiDoubletStatus, fitResult.getMultiDoubletFitResult());
            }
            if (noMatch(fitResult)) {
                if (result.spots[i].match) {
                    failCtp++;
                } else {
                    failCfp++;
                }
            }
            // We have multi-path results.
            // We want statistics for:
            // [0] all fitted spots
            // [1] fitted spots that match a result
            // [2] fitted spots that do not match a result
            addToStats(fitResult.getSingleFitResult(), stats);
            addToStats(fitResult.getMultiFitResult(), stats);
            addToStats(fitResult.getDoubletFitResult(), stats);
            addToStats(fitResult.getMultiDoubletFitResult(), stats);
        }
        // Statistics on spots that fit an actual result
        for (int i = 0; i < result.match.length; i++) {
            if (!result.match[i].isFitResult()) {
                // For now just ignore the candidates that matched
                continue;
            }
            final FitMatch fitMatch = (FitMatch) result.match[i];
            distanceStats.add(fitMatch.distance * nmPerPixel);
            depthStats.add(fitMatch.zdepth * nmPerPixel);
        }
    }
    if (tp == 0) {
        IJ.error(TITLE, "No fit results matched the simulation actual results");
        return;
    }
    // Store data for computing correlation
    final double[] i1 = new double[depthStats.getN()];
    final double[] i2 = new double[i1.length];
    final double[] is = new double[i1.length];
    int ci = 0;
    for (final FilterCandidates result : candidates) {
        for (int i = 0; i < result.match.length; i++) {
            if (!result.match[i].isFitResult()) {
                // For now just ignore the candidates that matched
                continue;
            }
            final FitMatch fitMatch = (FitMatch) result.match[i];
            final ScoredSpot spot = result.spots[fitMatch.index];
            i1[ci] = fitMatch.predictedSignal;
            i2[ci] = fitMatch.actualSignal;
            is[ci] = spot.spot.intensity;
            ci++;
        }
    }
    // We want to compute the Jaccard against the spot metric
    // Filter the results using the multi-path filter
    final ArrayList<MultiPathFitResults> multiPathResults = new ArrayList<>(fitResults.size());
    for (int i = 0; i < frames.length; i++) {
        final int frame = frames[i];
        final MultiPathFitResult[] multiPathFitResults = candidates[i].fitResult;
        final int totalCandidates = candidates[i].spots.length;
        final List<Coordinate> list = actualCoordinates.get(frame);
        final int nActual = (list == null) ? 0 : list.size();
        multiPathResults.add(new MultiPathFitResults(frame, multiPathFitResults, totalCandidates, nActual));
    }
    // Score the results and count the number returned
    final List<FractionalAssignment[]> assignments = new ArrayList<>();
    final TIntHashSet set = new TIntHashSet(uniqueIdCount);
    final FractionScoreStore scoreStore = set::add;
    final MultiPathFitResults[] multiResults = multiPathResults.toArray(new MultiPathFitResults[0]);
    // Filter with no filter
    final MultiPathFilter mpf = new MultiPathFilter(new SignalFilter(0), null, multiFilter.residualsThreshold);
    mpf.fractionScoreSubset(multiResults, NullFailCounter.INSTANCE, this.results.size(), assignments, scoreStore, CoordinateStoreFactory.create(0, 0, imp.getWidth(), imp.getHeight(), config.convertUsingHwhMax(config.getDuplicateDistanceParameter())));
    final double[][] matchScores = new double[set.size()][];
    int count = 0;
    for (int i = 0; i < assignments.size(); i++) {
        final FractionalAssignment[] a = assignments.get(i);
        if (a == null) {
            continue;
        }
        for (int j = 0; j < a.length; j++) {
            final PreprocessedPeakResult r = ((PeakFractionalAssignment) a[j]).peakResult;
            set.remove(r.getUniqueId());
            final double precision = Math.sqrt(r.getLocationVariance());
            final double signal = r.getSignal();
            final double snr = r.getSnr();
            final double width = r.getXSdFactor();
            final double xShift = r.getXRelativeShift2();
            final double yShift = r.getYRelativeShift2();
            // Since these two are combined for filtering and the max is what matters.
            final double shift = (xShift > yShift) ? Math.sqrt(xShift) : Math.sqrt(yShift);
            final double eshift = Math.sqrt(xShift + yShift);
            final double[] score = new double[8];
            score[FILTER_SIGNAL] = signal;
            score[FILTER_SNR] = snr;
            score[FILTER_MIN_WIDTH] = width;
            score[FILTER_MAX_WIDTH] = width;
            score[FILTER_SHIFT] = shift;
            score[FILTER_ESHIFT] = eshift;
            score[FILTER_PRECISION] = precision;
            score[FILTER_PRECISION + 1] = a[j].getScore();
            matchScores[count++] = score;
        }
    }
    // Add the rest
    set.forEach(new CustomTIntProcedure(count) {

        @Override
        public boolean execute(int uniqueId) {
            // This should not be null or something has gone wrong
            final PreprocessedPeakResult r = preprocessedPeakResults[uniqueId];
            if (r == null) {
                throw new IllegalArgumentException("Missing result: " + uniqueId);
            }
            final double precision = Math.sqrt(r.getLocationVariance());
            final double signal = r.getSignal();
            final double snr = r.getSnr();
            final double width = r.getXSdFactor();
            final double xShift = r.getXRelativeShift2();
            final double yShift = r.getYRelativeShift2();
            // Since these two are combined for filtering and the max is what matters.
            final double shift = (xShift > yShift) ? Math.sqrt(xShift) : Math.sqrt(yShift);
            final double eshift = Math.sqrt(xShift + yShift);
            final double[] score = new double[8];
            score[FILTER_SIGNAL] = signal;
            score[FILTER_SNR] = snr;
            score[FILTER_MIN_WIDTH] = width;
            score[FILTER_MAX_WIDTH] = width;
            score[FILTER_SHIFT] = shift;
            score[FILTER_ESHIFT] = eshift;
            score[FILTER_PRECISION] = precision;
            matchScores[count++] = score;
            return true;
        }
    });
    final FitConfiguration fitConfig = config.getFitConfiguration();
    // Debug the reasons the fit failed
    if (singleStatus != null) {
        String name = PeakFit.getSolverName(fitConfig);
        if (fitConfig.getFitSolver() == FitSolver.MLE && fitConfig.isModelCamera()) {
            name += " Camera";
        }
        IJ.log("Failure counts: " + name);
        printFailures("Single", singleStatus);
        printFailures("Multi", multiStatus);
        printFailures("Doublet", doubletStatus);
        printFailures("Multi doublet", multiDoubletStatus);
    }
    final StringBuilder sb = new StringBuilder(300);
    // Add information about the simulation
    final double signal = simulationParameters.averageSignal;
    final int n = results.size();
    sb.append(imp.getStackSize()).append('\t');
    final int w = imp.getWidth();
    final int h = imp.getHeight();
    sb.append(w).append('\t');
    sb.append(h).append('\t');
    sb.append(n).append('\t');
    final double density = ((double) n / imp.getStackSize()) / (w * h) / (simulationParameters.pixelPitch * simulationParameters.pixelPitch / 1e6);
    sb.append(MathUtils.rounded(density)).append('\t');
    sb.append(MathUtils.rounded(signal)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.sd)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.pixelPitch)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.depth)).append('\t');
    sb.append(simulationParameters.fixedDepth).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.gain)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.readNoise)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.background)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.noise)).append('\t');
    if (simulationParameters.fullSimulation) {
    // The total signal is spread over frames
    }
    sb.append(MathUtils.rounded(signal / simulationParameters.noise)).append('\t');
    sb.append(MathUtils.rounded(simulationParameters.sd / simulationParameters.pixelPitch)).append('\t');
    sb.append(spotFilter.getDescription());
    // nP and nN is the fractional score of the spot candidates
    addCount(sb, (double) candidateData.countPositive + candidateData.countNegative);
    addCount(sb, candidateData.countPositive);
    addCount(sb, candidateData.countNegative);
    addCount(sb, candidateData.fractionPositive);
    addCount(sb, candidateData.fractionNegative);
    String name = PeakFit.getSolverName(fitConfig);
    if (fitConfig.getFitSolver() == FitSolver.MLE && fitConfig.isModelCamera()) {
        name += " Camera";
    }
    add(sb, name);
    add(sb, config.getFitting());
    spotFitResults.resultPrefix = sb.toString();
    // Q. Should I add other fit configuration here?
    // The fraction of positive and negative candidates that were included
    add(sb, (100.0 * ctp) / candidateData.countPositive);
    add(sb, (100.0 * cfp) / candidateData.countNegative);
    // Score the fitting results compared to the original simulation.
    // Score the candidate selection:
    add(sb, ctp + cfp);
    add(sb, ctp);
    add(sb, cfp);
    // TP are all candidates that can be matched to a spot
    // FP are all candidates that cannot be matched to a spot
    // FN = The number of missed spots
    FractionClassificationResult match = new FractionClassificationResult(ctp, cfp, 0, simulationParameters.molecules - ctp);
    add(sb, match.getRecall());
    add(sb, match.getPrecision());
    add(sb, match.getF1Score());
    add(sb, match.getJaccard());
    // Score the fitting results:
    add(sb, failCtp);
    add(sb, failCfp);
    // TP are all fit results that can be matched to a spot
    // FP are all fit results that cannot be matched to a spot
    // FN = The number of missed spots
    add(sb, tp);
    add(sb, fp);
    match = new FractionClassificationResult(tp, fp, 0, simulationParameters.molecules - tp);
    add(sb, match.getRecall());
    add(sb, match.getPrecision());
    add(sb, match.getF1Score());
    add(sb, match.getJaccard());
    // Do it again but pretend we can perfectly filter all the false positives
    // add(sb, tp);
    match = new FractionClassificationResult(tp, 0, 0, simulationParameters.molecules - tp);
    // Recall is unchanged
    // Precision will be 100%
    add(sb, match.getF1Score());
    add(sb, match.getJaccard());
    // The mean may be subject to extreme outliers so use the median
    double median = distanceStats.getMedian();
    add(sb, median);
    final WindowOrganiser wo = new WindowOrganiser();
    String label = String.format("Recall = %s. n = %d. Median = %s nm. SD = %s nm", MathUtils.rounded(match.getRecall()), distanceStats.getN(), MathUtils.rounded(median), MathUtils.rounded(distanceStats.getStandardDeviation()));
    new HistogramPlotBuilder(TITLE, distanceStats, "Match Distance (nm)").setPlotLabel(label).show(wo);
    median = depthStats.getMedian();
    add(sb, median);
    // Sort by spot intensity and produce correlation
    double[] correlation = null;
    double[] rankCorrelation = null;
    double[] rank = null;
    final FastCorrelator fastCorrelator = new FastCorrelator();
    final ArrayList<Ranking> pc1 = new ArrayList<>();
    final ArrayList<Ranking> pc2 = new ArrayList<>();
    ci = 0;
    if (settings.showCorrelation) {
        final int[] indices = SimpleArrayUtils.natural(i1.length);
        SortUtils.sortData(indices, is, settings.rankByIntensity, true);
        correlation = new double[i1.length];
        rankCorrelation = new double[i1.length];
        rank = new double[i1.length];
        for (final int ci2 : indices) {
            fastCorrelator.add(Math.round(i1[ci2]), Math.round(i2[ci2]));
            pc1.add(new Ranking(i1[ci2], ci));
            pc2.add(new Ranking(i2[ci2], ci));
            correlation[ci] = fastCorrelator.getCorrelation();
            rankCorrelation[ci] = Correlator.correlation(rank(pc1), rank(pc2));
            if (settings.rankByIntensity) {
                rank[ci] = is[0] - is[ci];
            } else {
                rank[ci] = ci;
            }
            ci++;
        }
    } else {
        for (int i = 0; i < i1.length; i++) {
            fastCorrelator.add(Math.round(i1[i]), Math.round(i2[i]));
            pc1.add(new Ranking(i1[i], i));
            pc2.add(new Ranking(i2[i], i));
        }
    }
    final double pearsonCorr = fastCorrelator.getCorrelation();
    final double rankedCorr = Correlator.correlation(rank(pc1), rank(pc2));
    // Get the regression
    final SimpleRegression regression = new SimpleRegression(false);
    for (int i = 0; i < pc1.size(); i++) {
        regression.addData(pc1.get(i).value, pc2.get(i).value);
    }
    // final double intercept = regression.getIntercept();
    final double slope = regression.getSlope();
    if (settings.showCorrelation) {
        String title = TITLE + " Intensity";
        Plot plot = new Plot(title, "Candidate", "Spot");
        final double[] limits1 = MathUtils.limits(i1);
        final double[] limits2 = MathUtils.limits(i2);
        plot.setLimits(limits1[0], limits1[1], limits2[0], limits2[1]);
        label = String.format("Correlation=%s; Ranked=%s; Slope=%s", MathUtils.rounded(pearsonCorr), MathUtils.rounded(rankedCorr), MathUtils.rounded(slope));
        plot.addLabel(0, 0, label);
        plot.setColor(Color.red);
        plot.addPoints(i1, i2, Plot.DOT);
        if (slope > 1) {
            plot.drawLine(limits1[0], limits1[0] * slope, limits1[1], limits1[1] * slope);
        } else {
            plot.drawLine(limits2[0] / slope, limits2[0], limits2[1] / slope, limits2[1]);
        }
        ImageJUtils.display(title, plot, wo);
        title = TITLE + " Correlation";
        plot = new Plot(title, "Spot Rank", "Correlation");
        final double[] xlimits = MathUtils.limits(rank);
        double[] ylimits = MathUtils.limits(correlation);
        ylimits = MathUtils.limits(ylimits, rankCorrelation);
        plot.setLimits(xlimits[0], xlimits[1], ylimits[0], ylimits[1]);
        plot.setColor(Color.red);
        plot.addPoints(rank, correlation, Plot.LINE);
        plot.setColor(Color.blue);
        plot.addPoints(rank, rankCorrelation, Plot.LINE);
        plot.setColor(Color.black);
        plot.addLabel(0, 0, label);
        ImageJUtils.display(title, plot, wo);
    }
    add(sb, pearsonCorr);
    add(sb, rankedCorr);
    add(sb, slope);
    label = String.format("n = %d. Median = %s nm", depthStats.getN(), MathUtils.rounded(median));
    new HistogramPlotBuilder(TITLE, depthStats, "Match Depth (nm)").setRemoveOutliersOption(1).setPlotLabel(label).show(wo);
    // Plot histograms of the stats on the same window
    final double[] lower = new double[filterCriteria.length];
    final double[] upper = new double[lower.length];
    final double[] min = new double[lower.length];
    final double[] max = new double[lower.length];
    for (int i = 0; i < stats[0].length; i++) {
        final double[] limits = showDoubleHistogram(stats, i, wo, matchScores);
        lower[i] = limits[0];
        upper[i] = limits[1];
        min[i] = limits[2];
        max[i] = limits[3];
    }
    // Reconfigure some of the range limits
    // Make this a bit bigger
    upper[FILTER_SIGNAL] *= 2;
    // Make this a bit bigger
    upper[FILTER_SNR] *= 2;
    final double factor = 0.25;
    if (lower[FILTER_MIN_WIDTH] != 0) {
        // (assuming lower is less than 1)
        upper[FILTER_MIN_WIDTH] = 1 - Math.max(0, factor * (1 - lower[FILTER_MIN_WIDTH]));
    }
    if (upper[FILTER_MIN_WIDTH] != 0) {
        // (assuming upper is more than 1)
        lower[FILTER_MAX_WIDTH] = 1 + Math.max(0, factor * (upper[FILTER_MAX_WIDTH] - 1));
    }
    // Round the ranges
    final double[] interval = new double[stats[0].length];
    interval[FILTER_SIGNAL] = SignalFilter.DEFAULT_INCREMENT;
    interval[FILTER_SNR] = SnrFilter.DEFAULT_INCREMENT;
    interval[FILTER_MIN_WIDTH] = WidthFilter2.DEFAULT_MIN_INCREMENT;
    interval[FILTER_MAX_WIDTH] = WidthFilter.DEFAULT_INCREMENT;
    interval[FILTER_SHIFT] = ShiftFilter.DEFAULT_INCREMENT;
    interval[FILTER_ESHIFT] = EShiftFilter.DEFAULT_INCREMENT;
    interval[FILTER_PRECISION] = PrecisionFilter.DEFAULT_INCREMENT;
    interval[FILTER_ITERATIONS] = 0.1;
    interval[FILTER_EVALUATIONS] = 0.1;
    // Create a range increment
    final double[] increment = new double[lower.length];
    for (int i = 0; i < increment.length; i++) {
        lower[i] = MathUtils.floor(lower[i], interval[i]);
        upper[i] = MathUtils.ceil(upper[i], interval[i]);
        final double range = upper[i] - lower[i];
        // Allow clipping if the range is small compared to the min increment
        double multiples = range / interval[i];
        // Use 8 multiples for the equivalent of +/- 4 steps around the centre
        if (multiples < 8) {
            multiples = Math.ceil(multiples);
        } else {
            multiples = 8;
        }
        increment[i] = MathUtils.ceil(range / multiples, interval[i]);
        if (i == FILTER_MIN_WIDTH) {
            // Requires clipping based on the upper limit
            lower[i] = upper[i] - increment[i] * multiples;
        } else {
            upper[i] = lower[i] + increment[i] * multiples;
        }
    }
    for (int i = 0; i < stats[0].length; i++) {
        lower[i] = MathUtils.round(lower[i]);
        upper[i] = MathUtils.round(upper[i]);
        min[i] = MathUtils.round(min[i]);
        max[i] = MathUtils.round(max[i]);
        increment[i] = MathUtils.round(increment[i]);
        sb.append('\t').append(min[i]).append(':').append(lower[i]).append('-').append(upper[i]).append(':').append(max[i]);
    }
    // Disable some filters
    increment[FILTER_SIGNAL] = Double.POSITIVE_INFINITY;
    // increment[FILTER_SHIFT] = Double.POSITIVE_INFINITY;
    increment[FILTER_ESHIFT] = Double.POSITIVE_INFINITY;
    wo.tile();
    sb.append('\t').append(TextUtils.nanosToString(runTime));
    createTable().append(sb.toString());
    if (settings.saveFilterRange) {
        GUIFilterSettings filterSettings = SettingsManager.readGuiFilterSettings(0);
        String filename = (silent) ? filterSettings.getFilterSetFilename() : ImageJUtils.getFilename("Filter_range_file", filterSettings.getFilterSetFilename());
        if (filename == null) {
            return;
        }
        // Remove extension to store the filename
        filename = FileUtils.replaceExtension(filename, ".xml");
        filterSettings = filterSettings.toBuilder().setFilterSetFilename(filename).build();
        // Create a filter set using the ranges
        final ArrayList<Filter> filters = new ArrayList<>(4);
        // Create the multi-filter using the same precision type as that used during fitting.
        // Currently no support for z-filter as 3D astigmatism fitting is experimental.
        final PrecisionMethod precisionMethod = getPrecisionMethod((DirectFilter) multiFilter.getFilter());
        Function<double[], Filter> generator;
        if (precisionMethod == PrecisionMethod.POISSON_CRLB) {
            generator = parameters -> new MultiFilterCrlb(parameters[FILTER_SIGNAL], (float) parameters[FILTER_SNR], parameters[FILTER_MIN_WIDTH], parameters[FILTER_MAX_WIDTH], parameters[FILTER_SHIFT], parameters[FILTER_ESHIFT], parameters[FILTER_PRECISION], 0f, 0f);
        } else if (precisionMethod == PrecisionMethod.MORTENSEN) {
            generator = parameters -> new MultiFilter(parameters[FILTER_SIGNAL], (float) parameters[FILTER_SNR], parameters[FILTER_MIN_WIDTH], parameters[FILTER_MAX_WIDTH], parameters[FILTER_SHIFT], parameters[FILTER_ESHIFT], parameters[FILTER_PRECISION], 0f, 0f);
        } else {
            // Default
            generator = parameters -> new MultiFilter2(parameters[FILTER_SIGNAL], (float) parameters[FILTER_SNR], parameters[FILTER_MIN_WIDTH], parameters[FILTER_MAX_WIDTH], parameters[FILTER_SHIFT], parameters[FILTER_ESHIFT], parameters[FILTER_PRECISION], 0f, 0f);
        }
        filters.add(generator.apply(lower));
        filters.add(generator.apply(upper));
        filters.add(generator.apply(increment));
        if (saveFilters(filename, filters)) {
            SettingsManager.writeSettings(filterSettings);
        }
        // Create a filter set using the min/max and the initial bounds.
        // Set sensible limits
        min[FILTER_SIGNAL] = Math.max(min[FILTER_SIGNAL], 30);
        max[FILTER_SNR] = Math.min(max[FILTER_SNR], 10000);
        max[FILTER_PRECISION] = Math.min(max[FILTER_PRECISION], 100);
        // Make the 4-set filters the same as the 3-set filters.
        filters.clear();
        filters.add(generator.apply(min));
        filters.add(generator.apply(lower));
        filters.add(generator.apply(upper));
        filters.add(generator.apply(max));
        saveFilters(FileUtils.replaceExtension(filename, ".4.xml"), filters);
    }
    spotFitResults.min = min;
    spotFitResults.max = max;
}

Example 10 with Coordinate

use of uk.ac.sussex.gdsc.core.match.Coordinate in project GDSC-SMLM by aherbert.

the class BenchmarkSmartSpotRanking method runAnalysis.

private void runAnalysis() {
    // Extract all the results in memory into a list per frame. This can be cached
    boolean refresh = false;
    final Pair<Integer, TIntObjectHashMap<List<Coordinate>>> coords = coordinateCache.get();
    TIntObjectHashMap<List<Coordinate>> actualCoordinates;
    if (coords.getKey() != simulationParameters.id) {
        // Do not get integer coordinates
        // The Coordinate objects will be PeakResultPoint objects that store the original PeakResult
        // from the MemoryPeakResults
        actualCoordinates = ResultsMatchCalculator.getCoordinates(results, false);
        coordinateCache.set(Pair.of(simulationParameters.id, actualCoordinates));
        refresh = true;
    } else {
        actualCoordinates = coords.getValue();
    }
    // Extract all the candidates into a list per frame. This can be cached if the settings have not
    // changed.
    CandidateData candidateData = candidateDataCache.get();
    if (refresh || candidateData == null || candidateData.differentSettings(filterResult.id, settings)) {
        candidateData = subsetFilterResults(filterResult.filterResults);
        candidateDataCache.set(candidateData);
    }
    final TIntObjectHashMap<FilterCandidates> filterCandidates = candidateData.filterCandidates;
    final ImageStack stack = imp.getImageStack();
    // Create a pool of workers
    final int nThreads = Prefs.getThreads();
    final BlockingQueue<Integer> jobs = new ArrayBlockingQueue<>(nThreads * 2);
    final List<Worker> workers = new LinkedList<>();
    final List<Thread> threads = new LinkedList<>();
    final Ticker ticker = ImageJUtils.createTicker(filterCandidates.size(), nThreads);
    for (int i = 0; i < nThreads; i++) {
        final Worker worker = new Worker(jobs, stack, actualCoordinates, filterCandidates, ticker);
        final Thread t = new Thread(worker);
        workers.add(worker);
        threads.add(t);
        t.start();
    }
    // Process the frames
    filterCandidates.forEachKey(value -> {
        put(jobs, value);
        return true;
    });
    // Finish all the worker threads by passing in a null job
    for (int i = 0; i < threads.size(); i++) {
        put(jobs, -1);
    }
    // Wait for all to finish
    for (int i = 0; i < threads.size(); i++) {
        try {
            threads.get(i).join();
        } catch (final InterruptedException ex) {
            Thread.currentThread().interrupt();
            throw new ConcurrentRuntimeException("Unexpected interrupt", ex);
        }
    }
    threads.clear();
    IJ.showProgress(1);
    if (ImageJUtils.isInterrupted()) {
        IJ.showStatus("Aborted");
        return;
    }
    IJ.showStatus("Collecting results ...");
    final TIntObjectHashMap<RankResults> rankResults = new TIntObjectHashMap<>();
    for (final Worker w : workers) {
        rankResults.putAll(w.results);
    }
    summariseResults(rankResults, candidateData);
    IJ.showStatus("");
}