Esempio n. 1
0
	def getManders(self, imp, cell):
	
		### Crop channels according to cell mask
		channels = self.getCroppedChannels(imp, cell)
		if channels is None:
			return None
			
		### Calculate channel thresholds
		thrs = []
		thrimps = []
		for c, method in enumerate(self.methods):
			if method != "None":
				thr, thrimp = self.getThreshold(channels[c], method)
			else:
				thr, thrimp = None, None
			thrs.append(thr)
			thrimps.append(thrimp)
		
		### Calculate manders colocalization
		manders = MandersColocalization()
		raws = []
		thrds = []
		for chA, chB in self.pairs:
			container = self.getContainer(channels[chA - 1], channels[chB - 1])
			img1 = container.getSourceImage1()
			img2 = container.getSourceImage2()
			mask = container.getMask()
			cursor = TwinCursor(img1.randomAccess(), img2.randomAccess(), Views.iterable(mask).localizingCursor())
			rtype = img1.randomAccess().get().createVariable()
			raw = manders.calculateMandersCorrelation(cursor, rtype)
			rthr1 = rtype.copy()
			rthr2 = rtype.copy()
			rthr1.set(thrs[chA - 1])
			rthr2.set(thrs[chB - 1])
			cursor.reset()
			thrd = manders.calculateMandersCorrelation(cursor, rthr1, rthr2, ThresholdMode.Above)
			raws.append(raw)
			thrds.append(thrd)
		
		return (channels, thrimps, thrs, raws, thrds)
Esempio n. 2
0
	title = title[:title.rfind('.')]
	image.close()
	preview.close()
	ch1 = ImagePlusAdapter.wrap(imp1)
	ch2 = ImagePlusAdapter.wrap(imp2)

	for roi in rm.getRoisAsArray():
		container = createContainer(roi, ch1, ch2)
		img1 = container.getSourceImage1()
		img2 = container.getSourceImage2()
		mask = container.getMask()
		
		thr1, thrimp1 = calculateThreshold(imp1, roi, methods[0])
		thr2, thrimp2 = calculateThreshold(imp2, roi, methods[1])
		
		cursor = TwinCursor(img1.randomAccess(), img2.randomAccess(), Views.iterable(mask).localizingCursor())
		rtype = img1.randomAccess().get().createVariable()
		raw = manders.calculateMandersCorrelation(cursor, rtype)
		rthr1 = rtype.copy()
		rthr2 = rtype.copy()
		rthr1.set(thr1)
		rthr2.set(thr2)
		cursor.reset()
		thrd = manders.calculateMandersCorrelation(cursor, rthr1, rthr2, ThresholdMode.Above)
		print "Results are: %f %f %f %f" % (raw.m1, raw.m2, thrd.m1, thrd.m2)

		results.incrementCounter()
		rowno = results.getCounter() - 1
		results.setValue("Cell", rowno, int(rowno))
		results.setValue("Threshold 1", rowno, int(thr1))
		results.setValue("Threshold 2", rowno, int(thr2))