def thresh(sum_prj, thresh, roi, method):
# threshold signal based percent of max_pixel and returns ROI
# If you use thresh=1 it returns the brightest pixel.
from ij import ImagePlus
from ij.measure import Measurements as mm
from ij.process import ImageProcessor
from ij.plugin.filter import ThresholdToSelection
from ij.gui import Roi, PointRoi
imp = sum_prj.duplicate()
max_pix = max_pix(imp, roi)
ip = imp.getProcessor()
ip.setValue(0)
ip.fillOutside(roi)
if method == "boundary":
ip.setThreshold(max_pix * thresh, max_pix,
ImageProcessor.NO_LUT_UPDATE)
bndry_roi = ThresholdToSelection.run(imp)
return bndry_roi
elif method == "point":
ip.setThreshold(max_pix, max_pix, ImageProcessor.NO_LUT_UPDATE)
bndry_roi = ThresholdToSelection.run(imp)
bounds = bndry_roi.getBounds()
mask = bndry_roi.getMask()
mask.invert()
impt = ImagePlus("d", mask)
stats = impt.getStatistics(mm.CENTROID)
xl, yl = stats.xCentroid + bounds.x, stats.yCentroid + bounds.y
return {"x": xl, "y": yl}
def feret(sum_prj,thresh,roi,pixel_size): ''' CAlculates feret diameter (longest line that can be fitted) of a feature. sum_prj: sum projected image. thresh: threshold for making the binary image. roi: ROI to perform the action on. pixel_size: pixel x_y pixel size to calculate microns from pixels. ''' from ij import ImagePlus from ij.measure import Measurements as mm from ij.process import ImageProcessor from ij.plugin.filter import ThresholdToSelection from ij.gui import Roi,PointRoi def max_pix(sum_prj,roi): # Get sum_prj image and an roi as input and output max signal in roi imp=sum_prj.duplicate() #copy the array as float imp.setRoi(roi) stats = imp.getStatistics() return stats.max imp=sum_prj.duplicate() max_pix=max_pix(imp,roi) ip=imp.getProcessor() ip.setValue(0) ip.fillOutside(roi) ip.setThreshold(max_pix*thresh,max_pix,ImageProcessor.NO_LUT_UPDATE) bndry_roi= ThresholdToSelection.run(imp) imp.setRoi(bndry_roi) stats = imp.getStatistics() loci_area=stats.area*(pixel_size**2) loci_feret=bndry_roi.getFeretsDiameter()*pixel_size return bndry_roi, loci_feret, loci_area
def binarize_upper_lower_threshold(imp, thr_low, thr_hi):
"""
binarize_upper_lower_threshold
Binarize an image using an upper & lower threshold
Adapted from the python_imagej_cookbook
"""
imp.getProcessor().setThreshold(thr_low, thr_hi,
ImageProcessor.NO_LUT_UPDATE)
roi = ThresholdToSelection.run(imp)
imp.setRoi(roi)
imp_mask = ImagePlus("Mask", imp.getMask())
# maskimp.show() # comment out for headless
return (imp_mask)
def SegmentMask(ip):
'''
Returns a Region of Interest (ROI) that contains a proposed segmentation for the input image processor imp
Binarization: Find the GaussianBlur with minimum radius necessary to perform a Minimum Autothreshold
'''
minThresholdValue=-1
radius=GaussianBlurParam['initialRadius'] #Initial Radius os the Gaussian Blur
contador=0
while (minThresholdValue==-1 and contador<6):
contador=contador+1
#Make a copy of the image
impThres = ImagePlus()
ipThres = ip.duplicate()
impThres.setProcessor("Copy for thresholding", ipThres)
GaussianBlur().blurGaussian( impThres.getProcessor(), radius, radius,GaussianBlurParam['accuracy'])
#impThres.show()
try:
IJ.setAutoThreshold(impThres, "Minimum dark")
minThresholdValue = impThres.getProcessor().getMinThreshold()
except:
print("No threshold found for segmentation")
if minThresholdValue !=-1:
#Check thresholded image contains at least 50% of the original
stats = impThres.getStatistics()
histogram = stats.histogram
binSize=(stats.max-stats.min)/256
ThresholdBin=int(round((minThresholdValue-stats.min)/binSize))
CumulativeValues=0
for i in range(ThresholdBin):
CumulativeValues+=histogram[i]
ImageAboveThreshold=1-float(CumulativeValues)/(ip.width*ip.height)
#(ImageAboveThreshold)
#ImageAboveThreshold must be above 50%
if ImageAboveThreshold < 0.5:
minThresholdValue=-1
radius=radius+1
impThres.getProcessor().setThreshold(minThresholdValue, stats.max, ImageProcessor.NO_LUT_UPDATE)
boundRoi = ThresholdToSelection.run(impThres)
return boundRoi
def Weka_Segm(dirs):
""" Loads trained classifier and segments cells """
""" in aligned images according to training. """
# Define reference image for segmentation (default is timepoint000).
w_train = os.path.join(dirs["Composites_Aligned"], "Timepoint000.tif")
trainer = IJ.openImage(w_train)
weka = WekaSegmentation()
weka.setTrainingImage(trainer)
# Select classifier model.
weka.loadClassifier(str(classifier))
weka.applyClassifier(False)
segmentation = weka.getClassifiedImage()
segmentation.show()
# Convert image to 8bit
ImageConverter(segmentation).convertToRGB()
ImageConverter(segmentation).convertToGray8()
# Threshold segmentation to soma only.
hist = segmentation.getProcessor().getHistogram()
lowth = Auto_Threshold.IJDefault(hist)
segmentation.getProcessor().threshold(lowth)
segmentation.getProcessor().setThreshold(0, 0, ImageProcessor.NO_LUT_UPDATE)
segmentation.getProcessor().invert()
segmentation.show()
# Run Watershed Irregular Features plugin, with parameters.
IJ.run(segmentation, "Watershed Irregular Features",
"erosion=20 convexity_treshold=0 separator_size=0-Infinity")
# Make selection and add to RoiManager.
RoiManager()
rm = RoiManager.getInstance()
rm.runCommand("reset")
roi = ThresholdToSelection.run(segmentation)
segmentation.setRoi(roi)
rm.addRoi(roi)
rm.runCommand("Split")
def process(subFolder, outputDirectory, filename):
imp = IJ.openImage(inputDirectory + subFolder + '/' +
rreplace(filename, "_ch00.tif", ".tif"))
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
ic = ImageConverter(imp)
ic.convertToGray8()
IJ.setThreshold(imp, 2, 255)
IJ.run(imp, "Convert to Mask", "")
IJ.run(imp, "Remove Outliers...",
"radius=5" + " threshold=50" + " which=Dark")
IJ.run(imp, "Remove Outliers...",
"radius=5" + " threshold=50" + " which=Bright")
imp.getProcessor().invert()
rm = RoiManager(True)
imp.getProcessor().setThreshold(0, 0, ImageProcessor.NO_LUT_UPDATE)
boundroi = ThresholdToSelection.run(imp)
rm.addRoi(boundroi)
if not displayImages:
imp.changes = False
imp.close()
images = [None] * 5
intensities = [None] * 5
blobsarea = [None] * 5
blobsnuclei = [None] * 5
bigAreas = [None] * 5
for chan in channels:
v, x = chan
images[x] = IJ.openImage(inputDirectory + subFolder + '/' +
rreplace(filename, "_ch00.tif", "_ch0" +
str(x) + ".tif"))
imp = images[x]
for roi in rm.getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.MEAN | Measurements.AREA)
intensities[x] = stats.mean
bigAreas[x] = stats.area
rm.close()
# Opens the ch00 image and sets default properties
imp = IJ.openImage(inputDirectory + subFolder + '/' + filename)
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
# Sets the threshold and watersheds. for more details on image processing, see https://imagej.nih.gov/ij/developer/api/ij/process/ImageProcessor.html
ic = ImageConverter(imp)
ic.convertToGray8()
IJ.run(imp, "Remove Outliers...",
"radius=2" + " threshold=50" + " which=Dark")
IJ.run(imp, "Gaussian Blur...", "sigma=" + str(blur))
IJ.setThreshold(imp, lowerBounds[0], 255)
if displayImages:
imp.show()
IJ.run(imp, "Convert to Mask", "")
IJ.run(imp, "Watershed", "")
if not displayImages:
imp.changes = False
imp.close()
# Counts and measures the area of particles and adds them to a table called areas. Also adds them to the ROI manager
table = ResultsTable()
roim = RoiManager(True)
ParticleAnalyzer.setRoiManager(roim)
pa = ParticleAnalyzer(ParticleAnalyzer.ADD_TO_MANAGER, Measurements.AREA,
table, 15, 9999999999999999, 0.2, 1.0)
pa.setHideOutputImage(True)
#imp = impM
# imp.getProcessor().invert()
pa.analyze(imp)
areas = table.getColumn(0)
# This loop goes through the remaining channels for the other markers, by replacing the ch00 at the end with its corresponding channel
# It will save all the area fractions into a 2d array called areaFractionsArray
areaFractionsArray = [None] * 5
for chan in channels:
v, x = chan
# Opens each image and thresholds
imp = images[x]
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
ic = ImageConverter(imp)
ic.convertToGray8()
IJ.setThreshold(imp, lowerBounds[x], 255)
if displayImages:
imp.show()
WaitForUserDialog("Title",
"Adjust Threshold for Marker " + v).show()
IJ.run(imp, "Convert to Mask", "")
# Measures the area fraction of the new image for each ROI from the ROI manager.
areaFractions = []
for roi in roim.getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.AREA_FRACTION)
areaFractions.append(stats.areaFraction)
# Saves the results in areaFractionArray
areaFractionsArray[x] = areaFractions
roim.close()
for chan in channels:
v, x = chan
imp = images[x]
imp.deleteRoi()
roim = RoiManager(True)
ParticleAnalyzer.setRoiManager(roim)
pa = ParticleAnalyzer(ParticleAnalyzer.ADD_TO_MANAGER,
Measurements.AREA, table, 15, 9999999999999999,
0.2, 1.0)
pa.analyze(imp)
blobs = []
for roi in roim.getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.AREA)
blobs.append(stats.area)
blobsarea[x] = sum(blobs)
blobsnuclei[x] = len(blobs)
if not displayImages:
imp.changes = False
imp.close()
roim.reset()
roim.close()
# Creates the summary dictionary which will correspond to a single row in the output csv, with each key being a column
summary = {}
summary['Image'] = filename
summary['Directory'] = subFolder
# Adds usual columns
summary['size-average'] = 0
summary['#nuclei'] = 0
summary['all-negative'] = 0
summary['too-big-(>' + str(tooBigThreshold) + ')'] = 0
summary['too-small-(<' + str(tooSmallThreshold) + ')'] = 0
# Creates the fieldnames variable needed to create the csv file at the end.
fieldnames = [
'Name', 'Directory', 'Image', 'size-average',
'too-big-(>' + str(tooBigThreshold) + ')',
'too-small-(<' + str(tooSmallThreshold) + ')', '#nuclei',
'all-negative'
]
# Adds the columns for each individual marker (ignoring Dapi since it was used to count nuclei)
summary["organoid-area"] = bigAreas[x]
fieldnames.append("organoid-area")
for chan in channels:
v, x = chan
summary[v + "-positive"] = 0
fieldnames.append(v + "-positive")
summary[v + "-intensity"] = intensities[x]
fieldnames.append(v + "-intensity")
summary[v + "-blobsarea"] = blobsarea[x]
fieldnames.append(v + "-blobsarea")
summary[v + "-blobsnuclei"] = blobsnuclei[x]
fieldnames.append(v + "-blobsnuclei")
# Adds the column for colocalization between first and second marker
if len(channels) > 2:
summary[channels[1][0] + '-' + channels[2][0] + '-positive'] = 0
fieldnames.append(channels[1][0] + '-' + channels[2][0] + '-positive')
# Adds the columns for colocalization between all three markers
if len(channels) > 3:
summary[channels[1][0] + '-' + channels[3][0] + '-positive'] = 0
summary[channels[2][0] + '-' + channels[3][0] + '-positive'] = 0
summary[channels[1][0] + '-' + channels[2][0] + '-' + channels[3][0] +
'-positive'] = 0
fieldnames.append(channels[1][0] + '-' + channels[3][0] + '-positive')
fieldnames.append(channels[2][0] + '-' + channels[3][0] + '-positive')
fieldnames.append(channels[1][0] + '-' + channels[2][0] + '-' +
channels[3][0] + '-positive')
# Loops through each particle and adds it to each field that it is True for.
areaCounter = 0
for z, area in enumerate(areas):
log.write(str(area))
log.write("\n")
if area > tooBigThreshold:
summary['too-big-(>' + str(tooBigThreshold) + ')'] += 1
elif area < tooSmallThreshold:
summary['too-small-(<' + str(tooSmallThreshold) + ')'] += 1
else:
summary['#nuclei'] += 1
areaCounter += area
temp = 0
for chan in channels:
v, x = chan
if areaFractionsArray[x][z] > areaFractionThreshold[
0]: #theres an error here im not sure why. i remember fixing it before
summary[chan[0] + '-positive'] += 1
if x != 0:
temp += 1
if temp == 0:
summary['all-negative'] += 1
if len(channels) > 2:
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
if areaFractionsArray[2][z] > areaFractionThreshold[2]:
summary[channels[1][0] + '-' + channels[2][0] +
'-positive'] += 1
if len(channels) > 3:
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
if areaFractionsArray[3][z] > areaFractionThreshold[3]:
summary[channels[1][0] + '-' + channels[3][0] +
'-positive'] += 1
if areaFractionsArray[2][z] > areaFractionThreshold[2]:
if areaFractionsArray[3][z] > areaFractionThreshold[3]:
summary[channels[2][0] + '-' + channels[3][0] +
'-positive'] += 1
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
summary[channels[1][0] + '-' + channels[2][0] +
'-' + channels[3][0] + '-positive'] += 1
# Calculate the average of the particles sizes
if float(summary['#nuclei']) > 0:
summary['size-average'] = round(areaCounter / summary['#nuclei'], 2)
# Opens and appends one line on the final csv file for the subfolder (remember that this is still inside the loop that goes through each image)
with open(outputDirectory + "/" + outputName + ".csv", 'a') as csvfile:
writer = csv.DictWriter(csvfile,
fieldnames=fieldnames,
extrasaction='ignore',
lineterminator='\n')
if os.path.getsize(outputDirectory + "/" + outputName + ".csv") < 1:
writer.writeheader()
writer.writerow(summary)
def process(subFolder, outputDirectory, filename):
imp = IJ.openImage(inputDirectory + subFolder + '/' + filename)
imp.show()
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
ic = ImageConverter(imp)
dup = imp.duplicate()
dup_title = dup.getTitle()
ic.convertToGray8()
imp.updateAndDraw()
IJ.run("Threshold...")
IJ.setThreshold(218, 245)
IJ.run(imp, "Convert to Mask", "")
rm = RoiManager()
imp.getProcessor().setThreshold(0, 0, ImageProcessor.NO_LUT_UPDATE)
boundroi = ThresholdToSelection.run(imp)
rm.addRoi(boundroi)
imp.changes = False
imp.close()
images = [None] * 5
intensities = [None] * 5
blobsarea = [None] * 5
blobsnuclei = [None] * 5
cells = [None] * 5
bigareas = [None] * 5
IJ.run(dup, "Colour Deconvolution", "vectors=[H DAB]")
images[0] = getImage(dup_title + "-(Colour_1)")
images[1] = getImage(dup_title + "-(Colour_2)")
images[2] = getImage(dup_title + "-(Colour_3)")
images[2].close()
for chan in channels:
v, x = chan
imp = images[x]
imp.show()
for roi in rm.getRoiManager().getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.MEAN | Measurements.AREA)
intensities[x] = stats.mean
bigareas[x] = stats.area
rm.runCommand(imp, "Show None")
rm.close()
# Opens the ch00 image and sets default properties
imp = images[0].duplicate()
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
# Sets the threshold and watersheds. for more details on image processing, see https://imagej.nih.gov/ij/developer/api/ij/process/ImageProcessor.html
imp.show()
setTempCurrentImage(imp)
ic = ImageConverter(imp)
imp.updateAndDraw()
IJ.run(imp, "Gaussian Blur...", "sigma=" + str(blur))
imp.updateAndDraw()
imp.show()
IJ.run("Threshold...")
IJ.setThreshold(30, lowerBounds[0])
if displayImages:
imp.show()
WaitForUserDialog(
"Title", "Adjust threshold for nuclei. Current region is: " +
region).show()
IJ.run(imp, "Convert to Mask", "")
# Counts and measures the area of particles and adds them to a table called areas. Also adds them to the ROI manager
table = ResultsTable()
roim = RoiManager()
pa = ParticleAnalyzer(ParticleAnalyzer.ADD_TO_MANAGER, Measurements.AREA,
table, 5, 9999999999999999, 0.05, 1.0)
pa.setHideOutputImage(True)
imp = IJ.getImage()
# imp.getProcessor().invert()
pa.analyze(imp)
imp.changes = False
imp.close()
areas = table.getColumn(0)
# This loop goes through the remaining channels for the other markers, by replacing the ch00 at the end with its corresponding channel
# It will save all the area fractions into a 2d array called areaFractionsArray
areaFractionsArray = [None] * 5
maxThresholds = []
for chan in channels:
v, x = chan
# Opens each image and thresholds
imp = images[x]
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
imp.show()
setTempCurrentImage(imp)
ic = ImageConverter(imp)
ic.convertToGray8()
imp.updateAndDraw()
rm.runCommand(imp, "Show None")
rm.runCommand(imp, "Show All")
rm.runCommand(imp, "Show None")
imp.show()
IJ.selectWindow(imp.getTitle())
IJ.run("Threshold...")
IJ.setThreshold(20, lowerBounds[x])
if displayImages:
WaitForUserDialog(
"Title", "Adjust threshold for " + v +
". Current region is: " + region).show()
ip = imp.getProcessor()
maxThresholds.append(ip.getMaxThreshold())
IJ.run(imp, "Convert to Mask", "")
# Measures the area fraction of the new image for each ROI from the ROI manager.
areaFractions = []
for roi in roim.getRoiManager().getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.AREA_FRACTION)
areaFractions.append(stats.areaFraction)
# Saves the results in areaFractionArray
areaFractionsArray[x] = areaFractions
roim.close()
for chan in channels:
v, x = chan
imp = images[x]
imp.deleteRoi()
imp.updateAndDraw()
setTempCurrentImage(imp)
roim = RoiManager()
pa = ParticleAnalyzer(ParticleAnalyzer.ADD_TO_MANAGER,
Measurements.AREA, table, 15, 9999999999999999,
0.2, 1.0)
pa.analyze(imp)
blobs = []
cell = []
for roi in roim.getRoiManager().getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.AREA)
blobs.append(stats.area)
if stats.area > tooSmallThresholdDAB and stats.area < tooBigThresholdDAB:
cell.append(stats.area)
blobsarea[x] = sum(blobs)
blobsnuclei[x] = len(blobs)
cells[x] = len(cell)
imp.changes = False
imp.close()
roim.reset()
roim.close()
# Creates the summary dictionary which will correspond to a single row in the output csv, with each key being a column
summary = {}
summary['Image'] = filename
summary['Directory'] = subFolder
# Adds usual columns
summary['size-average'] = 0
summary['#nuclei'] = 0
summary['all-negative'] = 0
summary['too-big-(>' + str(tooBigThreshold) + ')'] = 0
summary['too-small-(<' + str(tooSmallThreshold) + ')'] = 0
# Creates the fieldnames variable needed to create the csv file at the end.
fieldnames = [
'Directory', 'Image', 'size-average',
'too-big-(>' + str(tooBigThreshold) + ')',
'too-small-(<' + str(tooSmallThreshold) + ')', '#nuclei',
'all-negative'
]
for row in info:
if row['Animal ID'] == filename.replace('s', '-').replace(
'p', '-').split('-')[0]:
for key, value in row.items():
fieldnames.insert(0, key)
summary[key] = value
# Adds the columns for each individual marker (ignoring Dapi since it was used to count nuclei)
summary["tissue-area"] = bigareas[0]
fieldnames.append("tissue-area")
for chan in channels:
v, x = chan
summary[v + "-HEMO-cells"] = 0
fieldnames.append(v + "-HEMO-cells")
summary[v + "-intensity"] = intensities[x]
fieldnames.append(v + "-intensity")
summary[v + "-area"] = blobsarea[x]
fieldnames.append(v + "-area")
summary[v + "-area/tissue-area"] = blobsarea[x] / bigareas[0]
fieldnames.append(v + "-area/tissue-area")
summary[v + "-particles"] = blobsnuclei[x]
fieldnames.append(v + "-particles")
summary[v + "-cells"] = cells[x]
fieldnames.append(v + "-cells")
summary[v + "-particles/tissue-area"] = blobsnuclei[x] / bigareas[0]
fieldnames.append(v + "-particles/tissue-area")
fieldnames.append(v + "-HEMO-Cells/tissue-area")
# Adds the column for colocalization between first and second marker
if len(channels) > 2:
summary[channels[1][0] + '-' + channels[2][0] + '-positive'] = 0
fieldnames.append(channels[1][0] + '-' + channels[2][0] + '-positive')
# Adds the columns for colocalization between all three markers
if len(channels) > 3:
summary[channels[1][0] + '-' + channels[3][0] + '-positive'] = 0
summary[channels[2][0] + '-' + channels[3][0] + '-positive'] = 0
summary[channels[1][0] + '-' + channels[2][0] + '-' + channels[3][0] +
'-positive'] = 0
fieldnames.append(channels[1][0] + '-' + channels[3][0] + '-positive')
fieldnames.append(channels[2][0] + '-' + channels[3][0] + '-positive')
fieldnames.append(channels[1][0] + '-' + channels[2][0] + '-' +
channels[3][0] + '-positive')
# Loops through each particle and adds it to each field that it is True for.
areaCounter = 0
for z, area in enumerate(areas):
if area > tooBigThreshold:
summary['too-big-(>' + str(tooBigThreshold) + ')'] += 1
elif area < tooSmallThreshold:
summary['too-small-(<' + str(tooSmallThreshold) + ')'] += 1
else:
summary['#nuclei'] += 1
areaCounter += area
temp = 0
for chan in channels:
v, x = chan
if areaFractionsArray[x][z] > areaFractionThreshold[0]:
summary[chan[0] + '-HEMO-cells'] += 1
if x != 0:
temp += 1
if temp == 0:
summary['all-negative'] += 1
if len(channels) > 2:
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
if areaFractionsArray[2][z] > areaFractionThreshold[2]:
summary[channels[1][0] + '-' + channels[2][0] +
'-positive'] += 1
if len(channels) > 3:
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
if areaFractionsArray[3][z] > areaFractionThreshold[3]:
summary[channels[1][0] + '-' + channels[3][0] +
'-positive'] += 1
if areaFractionsArray[2][z] > areaFractionThreshold[2]:
if areaFractionsArray[3][z] > areaFractionThreshold[3]:
summary[channels[2][0] + '-' + channels[3][0] +
'-positive'] += 1
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
summary[channels[1][0] + '-' + channels[2][0] +
'-' + channels[3][0] + '-positive'] += 1
# Calculate the average of the particles sizes
for chan in channels:
v, x = chan
summary[v + "-cells/tissue-area"] = summary[v + "-cells"] / bigareas[0]
if float(summary['#nuclei']) > 0:
summary['size-average'] = round(areaCounter / summary['#nuclei'], 2)
if displayImages:
fieldnames = ["Directory", "Image"]
for chan in channels:
v, x = chan
summary[v + "-threshold"] = maxThresholds[x]
fieldnames.append(v + "-threshold")
allMaxThresholds[v + "-" + region].append(maxThresholds[x])
# Opens and appends one line on the final csv file for the subfolder (remember that this is still inside the loop that goes through each image)
with open(outputName, 'a') as csvfile:
writer = csv.DictWriter(csvfile,
fieldnames=fieldnames,
extrasaction='ignore',
lineterminator='\n')
if os.path.getsize(outputName) < 1:
writer.writeheader()
writer.writerow(summary)
resrt = ResultsTable()
for i in range(regionedimp.getStackSize()):
aregion = regionedimp.getStack().getProcessor(i+1)
particleAnalysis(i, ImagePlus("extract", aregion), resrt)
#resrt.show("data")
rm = RoiManager()
for i in range(resrt.getCounter()):
cc = resrt.getValue("counts", i)
if cc == 2:
print "row", i
x1 = resrt.getValue("c1x", i)
y1 = resrt.getValue("c1y", i)
x2 = resrt.getValue("c2x", i)
y2 = resrt.getValue("c2y", i)
resrt.setValue("Distance", i, distance(x1, y1, x2, y2))
print "points", x1, y1, x2, y2
aroi = Line(x1, y1, x2, y2)
rm.addRoi(aroi)
rm.runCommand("Show All")
rm.runCommand("Labels")
resrt.show("results" + imgtitle)
segimp.getProcessor().setThreshold(0, 0, ImageProcessor.NO_LUT_UPDATE)
boundroi = ThresholdToSelection.run(segimp)
rm.addRoi(boundroi)
#perRegionlist[11].show()
def process(subFolder, outputDirectory, filename):
roim = RoiManager()
roim.close()
imp = IJ.openImage(inputDirectory + subFolder + '/' +
filename.replace("_ch00.tif", ".tif"))
IJ.run(
imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=0.8777017 pixel_height=0.8777017 voxel_depth=25400.0508001"
)
ic = ImageConverter(imp)
ic.convertToGray8()
imp.updateAndDraw()
IJ.setThreshold(imp, 2, 255)
IJ.run(imp, "Convert to Mask", "")
IJ.run(imp, "Remove Outliers...",
"radius=5" + " threshold=50" + " which=Dark")
IJ.run(imp, "Remove Outliers...",
"radius=5" + " threshold=50" + " which=Bright")
imp.getProcessor().invert()
imp.changes = False
imp.close()
x_amount = 10
y_amount = 10
l = 0
j = 0
while l < x_amount:
k = 0
while k < y_amount:
copy = IJ.openImage(inputDirectory + subFolder + '/' +
filename.replace("_ch00.tif", ".tif"))
Xposition = (int)(round((imp.width / x_amount) * l))
Yposition = (int)(round((imp.width / y_amount) * k))
Width = (int)(round(imp.width / x_amount))
Height = (int)(round(imp.height / y_amount))
roi = Roi(Xposition, Yposition, Width, Height)
copy.setRoi(roi)
IJ.run(copy, "Crop", "")
FileSaver(copy).saveAsTiff(outputDirectory + '/' + filename +
"_crop_" + str(j) + ".tif")
copy.changes = False
copy.close()
for chan in channels:
v, x = chan
image = IJ.openImage(inputDirectory + subFolder + '/' +
filename.replace("ch00.tif", "ch0" +
str(x) + ".tif"))
roi = Roi(Xposition, Yposition, Width, Height)
image.setRoi(roi)
IJ.run(image, "Crop", "")
FileSaver(image).saveAsTiff(outputDirectory + '/' + filename +
"_crop_" + str(j) + "_ch0" +
str(x) + ".tif")
image.changes = False
image.close()
roim.close()
k = k + 1
j = j + 1
l = l + 1
imp.getProcessor().setThreshold(0, 0, ImageProcessor.NO_LUT_UPDATE)
boundroi = ThresholdToSelection.run(imp)
rm = RoiManager()
rm.addRoi(boundroi)
images = [None] * 5
intensities = [None] * 5
blobsarea = [None] * 5
blobsnuclei = [None] * 5
areas = [None] * 5
for chan in channels:
v, x = chan
images[x] = IJ.openImage(inputDirectory + subFolder + '/' +
filename.replace("ch00.tif", "ch0" + str(x) +
".tif"))
imp = images[x]
for roi in rm.getRoiManager().getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.MEAN | Measurements.AREA)
intensities[x] = stats.mean
areas[x] = stats.area
rm.close()
# Creates the summary dictionary which will correspond to a single row in the output csv, with each key being a column
summary = {}
summary['Image'] = filename
summary['Directory'] = subFolder
# Creates the fieldnames variable needed to create the csv file at the end.
fieldnames = ['Name', 'Directory', 'Image']
# Adds the columns for each individual marker (ignoring Dapi since it was used to count nuclei)
summary["organoid-area"] = areas[x]
fieldnames.append("organoid-area")
for chan in channels:
v, x = chan
summary[v + "-intensity"] = intensities[x]
fieldnames.append(v + "-intensity")
# Opens and appends one line on the final csv file for the subfolder (remember that this is still inside the loop that goes through each image)
with open(outputDirectory + "/" + outputName + ".csv", 'a') as csvfile:
writer = csv.DictWriter(csvfile,
fieldnames=fieldnames,
extrasaction='ignore',
lineterminator='\n')
if os.path.getsize(outputDirectory + "/" + outputName + ".csv") < 1:
writer.writeheader()
writer.writerow(summary)
def process(subFolder, outputDirectory, filename):
#IJ.close()
imp = IJ.openImage(inputDirectory + subFolder + '/' + rreplace(filename, "_ch00.tif", ".tif"))
imp.show()
# Finds the pixel length in microns from the xml metadata file
file_list = [file for file in os.listdir(inputDirectory + subFolder) if file.endswith('.xml')]
if len(file_list) > 0:
xml = os.path.join(inputDirectory + subFolder, file_list[0])
element_tree = ET.parse(xml)
root = element_tree.getroot()
for dimensions in root.iter('DimensionDescription'):
num_pixels = int(dimensions.attrib['NumberOfElements'])
if dimensions.attrib['Unit'] == "m":
length = float(dimensions.attrib['Length']) * 1000000
else:
length = float(dimensions.attrib['Length'])
pixel_length = length / num_pixels
else:
pixel_length = 0.877017
log.write("Pixel Length:" + str(pixel_length) + "\n")
IJ.run(imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=" + str(pixel_length) + " pixel_height=" + str(pixel_length) + " voxel_depth=25400.0508001")
ic = ImageConverter(imp);
ic.convertToGray8();
#IJ.setThreshold(imp, 2, 255)
# If wand tool is enabled, then this will prompt that to be used
if enableWand:
# Call threshold function to adjust threshold and select Organoid ROI
IJ.run("Threshold...")
WaitForUserDialog("Adjust Threshold to create mask").show()
IJ.setTool("Wand")
WaitForUserDialog("Click on Organoid Area for it to be selected. Best selection will be at the edge of the organoid to get entire organoid shape.").show()
IJ.run("Clear Outside")
if not enableWand:
IJ.setAutoThreshold(imp, "Mean dark no-reset")
IJ.run(imp, "Convert to Mask", "")
IJ.run(imp, "Analyze Particles...", "size=100000-Infinity add select")
rm = RoiManager.getInstance()
imp = getCurrentImage()
rm.select(imp, 0)
IJ.setBackgroundColor(0, 0, 0)
IJ.run(imp, "Clear Outside", "")
IJ.run(imp, "Convert to Mask", "")
IJ.run(imp, "Remove Outliers...", "radius=5" + " threshold=50" + " which=Dark")
IJ.run(imp, "Remove Outliers...", "radius=5" + " threshold=50" + " which=Bright")
# #Save the mask and open it
IJ.saveAs("tiff", inputDirectory + '/mask')
mask = IJ.openImage(inputDirectory + '/mask.tif')
if enableWand:
#Select ROI again to add it to the the ROI manager so that intensities and area is saved
#IJ.run("Threshold...")
IJ.setTool("Wand")
WaitForUserDialog("Select Organoid area again for it to register within the ROI manager").show()
rm = RoiManager()
boundroi = ThresholdToSelection.run(mask)
rm.addRoi(boundroi)
if not displayImages:
imp.changes = False
imp.close()
images = [None] * 5
intensities = [None] * 5
blobsarea = [None] * 5
blobsnuclei = [None] * 5
bigAreas = [None] * 5
imp.close()
#Loop to open all the channel images
for chan in channels:
v, x = chan
images[x] = IJ.openImage(
inputDirectory + subFolder + '/' + rreplace(filename, "_ch00.tif", "_ch0" + str(x) + ".tif"))
# Apply Mask on all the images and save them into an array
apply_mask = ImageCalculator()
images[x] = apply_mask.run("Multiply create 32 bit", mask, images[x])
ic = ImageConverter(images[x])
ic.convertToGray8()
imp = images[x]
# Calculate the intensities for each channel as well as the organoid area
for roi in rm.getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.MEAN | Measurements.AREA)
intensities[x] = stats.mean
bigAreas[x] = stats.area
rm.close()
# Opens the ch00 image and sets default properties
apply_mask = ImageCalculator()
imp = IJ.openImage(inputDirectory + subFolder + '/' + filename)
imp = apply_mask.run("Multiply create 32 bit", mask, imp)
IJ.run(imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=" + str(pixel_length) + " pixel_height=" + str(pixel_length) + " voxel_depth=25400.0508001")
# Sets the threshold and watersheds. for more details on image processing, see https://imagej.nih.gov/ij/developer/api/ij/process/ImageProcessor.html
ic = ImageConverter(imp);
ic.convertToGray8();
IJ.run(imp, "Remove Outliers...", "radius=2" + " threshold=50" + " which=Dark")
IJ.run(imp, "Gaussian Blur...", "sigma=" + str(blur))
IJ.setThreshold(imp, lowerBounds[0], 255)
if displayImages:
imp.show()
IJ.run(imp, "Convert to Mask", "")
IJ.run(imp, "Watershed", "")
if not displayImages:
imp.changes = False
imp.close()
# Counts and measures the area of particles and adds them to a table called areas. Also adds them to the ROI manager
table = ResultsTable()
roim = RoiManager(True)
ParticleAnalyzer.setRoiManager(roim);
pa = ParticleAnalyzer(ParticleAnalyzer.ADD_TO_MANAGER, Measurements.AREA, table, 15, 9999999999999999, 0.2, 1.0)
pa.setHideOutputImage(True)
# imp = impM
# imp.getProcessor().invert()
pa.analyze(imp)
areas = table.getColumn(0)
# This loop goes through the remaining channels for the other markers, by replacing the ch00 at the end with its corresponding channel
# It will save all the area fractions into a 2d array called areaFractionsArray
areaFractionsArray = [None] * 5
for chan in channels:
v, x = chan
# Opens each image and thresholds
imp = images[x]
IJ.run(imp, "Properties...",
"channels=1 slices=1 frames=1 unit=um pixel_width=" + str(pixel_length) + " pixel_height=" + str(pixel_length) + " voxel_depth=25400.0508001")
ic = ImageConverter(imp);
ic.convertToGray8();
IJ.setThreshold(imp, lowerBounds[x], 255)
if displayImages:
imp.show()
WaitForUserDialog("Title", "Adjust Threshold for Marker " + v).show()
IJ.run(imp, "Convert to Mask", "")
# Measures the area fraction of the new image for each ROI from the ROI manager.
areaFractions = []
for roi in roim.getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.AREA_FRACTION)
areaFractions.append(stats.areaFraction)
# Saves the results in areaFractionArray
areaFractionsArray[x] = areaFractions
roim.close()
for chan in channels:
v, x = chan
imp = images[x]
imp.deleteRoi()
roim = RoiManager(True)
ParticleAnalyzer.setRoiManager(roim);
pa = ParticleAnalyzer(ParticleAnalyzer.ADD_TO_MANAGER, Measurements.AREA, table, 15, 9999999999999999, 0.2, 1.0)
pa.analyze(imp)
blobs = []
for roi in roim.getRoisAsArray():
imp.setRoi(roi)
stats = imp.getStatistics(Measurements.AREA)
blobs.append(stats.area)
blobsarea[x] = sum(blobs) #take this out and use intial mask tissue area from the beginning
blobsnuclei[x] = len(blobs)
if not displayImages:
imp.changes = False
imp.close()
roim.reset()
roim.close()
imp.close()
# Creates the summary dictionary which will correspond to a single row in the output csv, with each key being a column
summary = {}
summary['Image'] = filename
summary['Directory'] = subFolder
# Adds usual columns
summary['size-average'] = 0
summary['#nuclei'] = 0
summary['all-negative'] = 0
summary['too-big-(>' + str(tooBigThreshold) + ')'] = 0
summary['too-small-(<' + str(tooSmallThreshold) + ')'] = 0
# Creates the fieldnames variable needed to create the csv file at the end.
fieldnames = ['Name', 'Directory', 'Image', 'size-average', 'too-big-(>' + str(tooBigThreshold) + ')',
'too-small-(<' + str(tooSmallThreshold) + ')', '#nuclei', 'all-negative']
# Adds the columns for each individual marker (ignoring Dapi since it was used to count nuclei)
summary["organoid-area"] = bigAreas[x]
fieldnames.append("organoid-area")
for chan in channels:
v, x = chan
summary[v + "-positive"] = 0
fieldnames.append(v + "-positive")
summary[v + "-intensity"] = intensities[x]
fieldnames.append(v + "-intensity")
summary[v + "-blobsarea"] = blobsarea[x]
fieldnames.append(v + "-blobsarea")
summary[v + "-blobsnuclei"] = blobsnuclei[x]
fieldnames.append(v + "-blobsnuclei")
# Adds the column for colocalization between first and second marker
if len(channels) > 2:
summary[channels[1][0] + '-' + channels[2][0] + '-positive'] = 0
fieldnames.append(channels[1][0] + '-' + channels[2][0] + '-positive')
# Adds the columns for colocalization between all three markers
if len(channels) > 3:
summary[channels[1][0] + '-' + channels[3][0] + '-positive'] = 0
summary[channels[2][0] + '-' + channels[3][0] + '-positive'] = 0
summary[channels[1][0] + '-' + channels[2][0] + '-' + channels[3][0] + '-positive'] = 0
fieldnames.append(channels[1][0] + '-' + channels[3][0] + '-positive')
fieldnames.append(channels[2][0] + '-' + channels[3][0] + '-positive')
fieldnames.append(channels[1][0] + '-' + channels[2][0] + '-' + channels[3][0] + '-positive')
# Loops through each particle and adds it to each field that it is True for.
areaCounter = 0
for z, area in enumerate(areas):
log.write(str(area))
log.write("\n")
if area > tooBigThreshold:
summary['too-big-(>' + str(tooBigThreshold) + ')'] += 1
elif area < tooSmallThreshold:
summary['too-small-(<' + str(tooSmallThreshold) + ')'] += 1
else:
summary['#nuclei'] += 1
areaCounter += area
temp = 0
for chan in channels:
v, x = chan
if areaFractionsArray[x][z] > areaFractionThreshold[
0]: # theres an error here im not sure why. i remember fixing it before
summary[chan[0] + '-positive'] += 1
if x != 0:
temp += 1
if temp == 0:
summary['all-negative'] += 1
if len(channels) > 2:
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
if areaFractionsArray[2][z] > areaFractionThreshold[2]:
summary[channels[1][0] + '-' + channels[2][0] + '-positive'] += 1
if len(channels) > 3:
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
if areaFractionsArray[3][z] > areaFractionThreshold[3]:
summary[channels[1][0] + '-' + channels[3][0] + '-positive'] += 1
if areaFractionsArray[2][z] > areaFractionThreshold[2]:
if areaFractionsArray[3][z] > areaFractionThreshold[3]:
summary[channels[2][0] + '-' + channels[3][0] + '-positive'] += 1
if areaFractionsArray[1][z] > areaFractionThreshold[1]:
summary[channels[1][0] + '-' + channels[2][0] + '-' + channels[3][0] + '-positive'] += 1
# Calculate the average of the particles sizes
if float(summary['#nuclei']) > 0:
summary['size-average'] = round(areaCounter / summary['#nuclei'], 2)
# Opens and appends one line on the final csv file for the subfolder (remember that this is still inside the loop that goes through each image)
with open(outputDirectory + "/" + outputName + ".csv", 'a') as csvfile:
writer = csv.DictWriter(csvfile, fieldnames=fieldnames, extrasaction='ignore', lineterminator='\n')
if os.path.getsize(outputDirectory + "/" + outputName + ".csv") < 1:
writer.writeheader()
writer.writerow(summary)
IJ.run(imp, "Close All", "")