public void run(String arg) {
if (IJ.versionLessThan("1.49d")) return;
if (!showDialog()) return;
SaveDialog sd = new SaveDialog("Save as Bricks...", "", "");
basename = sd.getFileName();
directory = sd.getDirectory();
if (basename == null || directory == null) return;
build_bricks();
}
public boolean checkBeads() {
rmanager = RoiManager.getInstance();
if (IJ.versionLessThan("1.26i")) return false;
else if (rmanager == null) {
IJ.error("Add bead ROIs to the RoiManager first (select region then press [t]).");
return false;
}
nrois = rmanager.getCount();
if (nrois == 0) {
IJ.error("Add bead ROIs to the RoiManager first (select region then press [t]).");
return false;
}
rois = rmanager.getRoisAsArray();
return true;
}
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;
}
}
