Exemple #1
0
 /**
  * Builds dialog to query users for projection parameters.
  *
  * @param start starting slice to display
  * @param stop last slice
  */
 protected GenericDialog buildControlDialog(int start, int stop) {
   GenericDialog gd = new GenericDialog("ZProjection", IJ.getInstance());
   gd.addNumericField("Start slice:", startSlice, 0 /*digits*/);
   gd.addNumericField("Stop slice:", stopSlice, 0 /*digits*/);
   gd.addChoice("Projection type", METHODS, METHODS[method]);
   if (isHyperstack && imp.getNFrames() > 1 && imp.getNSlices() > 1)
     gd.addCheckbox("All time frames", allTimeFrames);
   return gd;
 }
Exemple #2
0
 public void doHyperStackProjection(boolean allTimeFrames) {
   int start = startSlice;
   int stop = stopSlice;
   int firstFrame = 1;
   int lastFrame = imp.getNFrames();
   if (!allTimeFrames) firstFrame = lastFrame = imp.getFrame();
   ImageStack stack = new ImageStack(imp.getWidth(), imp.getHeight());
   int channels = imp.getNChannels();
   int slices = imp.getNSlices();
   if (slices == 1) {
     slices = imp.getNFrames();
     firstFrame = lastFrame = 1;
   }
   int frames = lastFrame - firstFrame + 1;
   increment = channels;
   boolean rgb = imp.getBitDepth() == 24;
   for (int frame = firstFrame; frame <= lastFrame; frame++) {
     for (int channel = 1; channel <= channels; channel++) {
       startSlice = (frame - 1) * channels * slices + (start - 1) * channels + channel;
       stopSlice = (frame - 1) * channels * slices + (stop - 1) * channels + channel;
       if (rgb) doHSRGBProjection(imp);
       else doProjection();
       stack.addSlice(null, projImage.getProcessor());
     }
   }
   projImage = new ImagePlus(makeTitle(), stack);
   projImage.setDimensions(channels, 1, frames);
   if (channels > 1) {
     projImage = new CompositeImage(projImage, 0);
     ((CompositeImage) projImage).copyLuts(imp);
     if (method == SUM_METHOD || method == SD_METHOD)
       ((CompositeImage) projImage).resetDisplayRanges();
   }
   if (frames > 1) projImage.setOpenAsHyperStack(true);
   Overlay overlay = imp.getOverlay();
   if (overlay != null) {
     startSlice = start;
     stopSlice = stop;
     if (imp.getType() == ImagePlus.COLOR_RGB)
       projImage.setOverlay(projectRGBHyperStackRois(overlay));
     else projImage.setOverlay(projectHyperStackRois(overlay));
   }
   IJ.showProgress(1, 1);
 }
Exemple #3
0
  public int setup(String arg, ImagePlus imp) {
    // IJ.register(Average_Oversampled.class);

    if (IJ.versionLessThan("1.32c")) return DONE;

    if (this.pre) { // before finding means

      imp.unlock();
      this.imp = imp;
      this.nslices = imp.getNSlices();
      this.width = imp.getWidth();
      this.height = imp.getHeight();
      this.slicecols = new float[nslices][width];
      this.pre = false;
      return (DOES_ALL + DOES_STACKS + FINAL_PROCESSING);

    } else { // find SD after finding means of columns
      float sum; // sum of pixel values column
      float avg; // average pixel value of a column
      double devsum; // sum of deviations
      double devavg; // standard deviation
      double[] columns = new double[width]; // x-axis of plot
      double[] sdevs = new double[width]; // y-axis of plot

      for (int i = 0; i < width; i += 1) {
        sum = 0; // reset with each column
        avg = 0; // reset with each column
        devsum = 0; // reset with each column
        devavg = 0; // reset with each column
        columns[i] = i; // building x-axis

        for (int s = 0; s < nslices; s += 1) { // sum of column means
          sum = sum + slicecols[s][i];
        }
        avg = sum / nslices; // mean of one column across all slices

        for (int s = 0; s < nslices; s += 1) { // standard deviation
          devsum = devsum + Math.pow((slicecols[s][i] - avg), 2); // square diff
        }
        devavg = Math.sqrt(devsum / nslices);

        sdevs[i] = devavg; // building y-axis
      }

      Plot plot = new Plot("Average SD by Column", "Columns", "Standard Deviation", columns, sdevs);
      plot.show();

      // calculate CTN
      double ctn;
      double sdevssum = 0;
      for (double sd : sdevs) {
        sdevssum = sdevssum + sd;
      }
      ctn = sdevssum / width;

      // display CTN on results table
      ResultsTable rt = ResultsTable.getResultsTable();
      // rt.incrementCounter();
      rt.addValue("Column Temporal Noise", ctn);
      rt.show("Results");

      this.pre = false;

      return DONE;
    }
  }
Exemple #4
0
  public void run(String arg) {
    imp = IJ.getImage();
    int stackSize = imp.getStackSize();
    if (imp == null) {
      IJ.noImage();
      return;
    }

    //  Make sure input image is a stack.
    if (stackSize == 1) {
      IJ.error("Z Project", "Stack required");
      return;
    }

    //  Check for inverting LUT.
    if (imp.getProcessor().isInvertedLut()) {
      if (!IJ.showMessageWithCancel("ZProjection", lutMessage)) return;
    }

    // Set default bounds.
    int channels = imp.getNChannels();
    int frames = imp.getNFrames();
    int slices = imp.getNSlices();
    isHyperstack =
        imp.isHyperStack()
            || (ij.macro.Interpreter.isBatchMode()
                && ((frames > 1 && frames < stackSize) || (slices > 1 && slices < stackSize)));
    boolean simpleComposite = channels == stackSize;
    if (simpleComposite) isHyperstack = false;
    startSlice = 1;
    if (isHyperstack) {
      int nSlices = imp.getNSlices();
      if (nSlices > 1) stopSlice = nSlices;
      else stopSlice = imp.getNFrames();
    } else stopSlice = stackSize;

    // Build control dialog
    GenericDialog gd = buildControlDialog(startSlice, stopSlice);
    gd.showDialog();
    if (gd.wasCanceled()) return;

    if (!imp.lock()) return; // exit if in use
    long tstart = System.currentTimeMillis();
    setStartSlice((int) gd.getNextNumber());
    setStopSlice((int) gd.getNextNumber());
    method = gd.getNextChoiceIndex();
    Prefs.set(METHOD_KEY, method);
    if (isHyperstack) {
      allTimeFrames = imp.getNFrames() > 1 && imp.getNSlices() > 1 ? gd.getNextBoolean() : false;
      doHyperStackProjection(allTimeFrames);
    } else if (imp.getType() == ImagePlus.COLOR_RGB) doRGBProjection(true);
    else doProjection(true);

    if (arg.equals("") && projImage != null) {
      long tstop = System.currentTimeMillis();
      projImage.setCalibration(imp.getCalibration());
      if (simpleComposite) IJ.run(projImage, "Grays", "");
      projImage.show("ZProjector: " + IJ.d2s((tstop - tstart) / 1000.0, 2) + " seconds");
    }

    imp.unlock();
    IJ.register(ZProjector.class);
    return;
  }