use of org.vcell.vmicro.op.FitBleachSpotOp.FitBleachSpotOpResults in project vcell by virtualcell.
the class FitBleachSpot method compute0.
@Override
protected void compute0(TaskContext context, final ClientTaskStatusSupport clientTaskStatusSupport) throws Exception {
// get inputs
NormalizedSampleFunction bleach_roi = context.getData(bleachROI);
FloatImage normImage = (FloatImage) context.getData(normalizedImages).getAllImages()[0];
// do operation
FitBleachSpotOp fitBleachSpotOp = new FitBleachSpotOp();
FitBleachSpotOpResults opResults = fitBleachSpotOp.fit(bleach_roi, normImage);
// set outputs
context.setData(bleachRadius_ROI, opResults.bleachRadius_ROI);
context.setData(centerX_ROI, opResults.centerX_ROI);
context.setData(centerY_ROI, opResults.centerY_ROI);
context.setData(bleachFactorK_GaussianFit, opResults.bleachFactorK_GaussianFit);
context.setData(bleachRadius_GaussianFit, opResults.bleachRadius_ROI);
context.setData(centerX_GaussianFit, opResults.centerX_GaussianFit);
context.setData(centerY_GaussianFit, opResults.centerY_GaussianFit);
}
use of org.vcell.vmicro.op.FitBleachSpotOp.FitBleachSpotOpResults in project vcell by virtualcell.
the class KenworthyWorkflowTest method analyzeKeyworthy.
/**
* Fits raw image time series data to uniform disk models (with Guassian or Uniform fluorescence).
*
* @param rawTimeSeriesImages
* @param localWorkspace
* @throws Exception
*/
private static void analyzeKeyworthy(ImageTimeSeries<UShortImage> rawTimeSeriesImages, LocalWorkspace localWorkspace) throws Exception {
new DisplayTimeSeriesOp().displayImageTimeSeries(rawTimeSeriesImages, "raw images", (WindowListener) null);
double cellThreshold = 0.5;
GeometryRoisAndBleachTiming cellROIresults = new GenerateCellROIsFromRawFrapTimeSeriesOp().generate(rawTimeSeriesImages, cellThreshold);
ROI backgroundROI = cellROIresults.backgroundROI_2D;
ROI cellROI = cellROIresults.cellROI_2D;
int indexOfFirstPostbleach = cellROIresults.indexOfFirstPostbleach;
new DisplayImageOp().displayImage(backgroundROI.getRoiImages()[0], "background ROI", null);
new DisplayImageOp().displayImage(cellROI.getRoiImages()[0], "cell ROI", null);
NormalizedFrapDataResults normResults = new GenerateNormalizedFrapDataOp().generate(rawTimeSeriesImages, backgroundROI, indexOfFirstPostbleach);
ImageTimeSeries<FloatImage> normalizedTimeSeries = normResults.normalizedFrapData;
FloatImage prebleachAvg = normResults.prebleachAverage;
FloatImage normalizedPostbleach = normalizedTimeSeries.getAllImages()[0];
new DisplayTimeSeriesOp().displayImageTimeSeries(normalizedTimeSeries, "normalized images", (WindowListener) null);
//
// create a single bleach ROI by thresholding
//
double bleachThreshold = 0.80;
ROI bleachROI = new GenerateBleachRoiOp().generateBleachRoi(normalizedPostbleach, cellROI, bleachThreshold);
//
// only use bleach ROI for fitting etc.
//
// ROI[] dataROIs = new ROI[] { bleachROI };
//
// fit 2D Gaussian to normalized data to determine center, radius and K factor of bleach (assuming exp(-exp
//
FitBleachSpotOpResults fitSpotResults = new FitBleachSpotOp().fit(NormalizedSampleFunction.fromROI(bleachROI), normalizedTimeSeries.getAllImages()[0]);
double bleachFactorK_GaussianFit = fitSpotResults.bleachFactorK_GaussianFit;
double bleachRadius_GaussianFit = fitSpotResults.bleachRadius_GaussianFit;
double bleachRadius_ROI = fitSpotResults.bleachRadius_ROI;
double centerX_GaussianFit = fitSpotResults.centerX_GaussianFit;
double centerX_ROI = fitSpotResults.centerX_ROI;
double centerY_GaussianFit = fitSpotResults.centerY_GaussianFit;
double centerY_ROI = fitSpotResults.centerY_ROI;
NormalizedSampleFunction[] sampleFunctions = new NormalizedSampleFunction[] { NormalizedSampleFunction.fromROI(bleachROI) };
//
// get reduced data and errors for each ROI
//
RowColumnResultSet reducedData = new GenerateReducedDataOp().generateReducedData(normalizedTimeSeries, sampleFunctions);
RowColumnResultSet measurementErrors = new ComputeMeasurementErrorOp().computeNormalizedMeasurementError(sampleFunctions, indexOfFirstPostbleach, rawTimeSeriesImages, prebleachAvg, null);
ErrorFunction errorFunction = new ErrorFunctionKenworthy(reducedData);
//
// 2 parameter uniform disk model
//
OptModel uniformDisk2OptModel = new OptModelKenworthyUniformDisk2P(bleachRadius_ROI);
String title_u2 = "Uniform Disk Model - 2 parameters, (Rn=" + bleachRadius_ROI + ")";
OptContext uniformDisk2Context = new Generate2DOptContextOp().generate2DOptContext(uniformDisk2OptModel, reducedData, measurementErrors, errorFunction);
new DisplayInteractiveModelOp().displayOptModel(uniformDisk2Context, sampleFunctions, localWorkspace, title_u2, null);
//
// 3 parameter uniform disk model
//
OptModel uniformDisk3OptModel = new OptModelKenworthyUniformDisk3P(bleachRadius_ROI);
OptContext uniformDisk3Context = new Generate2DOptContextOp().generate2DOptContext(uniformDisk3OptModel, reducedData, measurementErrors, errorFunction);
String title_u3 = "Uniform Disk Model - 3 parameters, (Rn=" + bleachRadius_ROI + ")";
new DisplayInteractiveModelOp().displayOptModel(uniformDisk3Context, sampleFunctions, localWorkspace, title_u3, null);
//
// GaussianFit parameter uniform disk model
//
FloatImage prebleachBleachAreaImage = new FloatImage(prebleachAvg);
// mask-out all but the bleach area
prebleachBleachAreaImage.and(bleachROI.getRoiImages()[0]);
double prebleachAvgInROI = prebleachBleachAreaImage.getImageStatistics().meanValue;
OptModel gaussian2OptModel = new OptModelKenworthyGaussian(prebleachAvgInROI, bleachFactorK_GaussianFit, bleachRadius_GaussianFit, bleachRadius_ROI);
OptContext gaussianDisk2Context = new Generate2DOptContextOp().generate2DOptContext(gaussian2OptModel, reducedData, measurementErrors, errorFunction);
String title_g2 = "Gaussian Disk Model - 2 parameters (prebleach=" + prebleachAvgInROI + ",K=" + bleachFactorK_GaussianFit + ",Re=" + bleachRadius_GaussianFit + ",Rnom=" + bleachRadius_ROI + ")";
new DisplayInteractiveModelOp().displayOptModel(gaussianDisk2Context, sampleFunctions, localWorkspace, title_g2, null);
}
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