コード例 #1
0
    def testBasic(self):
        graph = Graph()
        op = OpFilterLabels(graph=graph)
        op.Input.setValue( self.inputData )
        op.MinLabelSize.setValue(6)

        filtered = op.Output[...].wait()
        assert filtered.shape == self.inputData.shape
        
        expectedData = numpy.array(self.inputData)
        expectedData[0,1, 50:52, 50:52, 0] = 0 # 4 voxels, should be gone
        
        assert (filtered == expectedData).all()
        
        op.MaxLabelSize.setValue(8)
        expectedData[0, 0, 50:53, 50:53, 0] = 0
        filtered2 = op.Output[:].wait()
        assert (filtered2 == expectedData).all()
コード例 #2
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    def __init__(self, *args, **kwargs):
        super(_OpThresholdOneLevel, self).__init__(*args, **kwargs)

        self._opThresholder = OpPixelOperator(parent=self)
        self._opThresholder.Input.connect(self.InputImage)

        self._opLabeler = OpLabelVolume(parent=self)
        self._opLabeler.Method.setValue(_labeling_impl)
        self._opLabeler.Input.connect(self._opThresholder.Output)

        self.BeforeSizeFilter.connect(self._opLabeler.Output)

        self._opFilter = OpFilterLabels(parent=self)
        self._opFilter.Input.connect(self._opLabeler.Output)
        self._opFilter.MinLabelSize.connect(self.MinSize)
        self._opFilter.MaxLabelSize.connect(self.MaxSize)
        self._opFilter.BinaryOut.setValue(False)

        self.Output.connect(self._opFilter.Output)
コード例 #3
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    def __init__(self, *args, **kwargs):
        super(OpThresholdTwoLevels, self).__init__(*args, **kwargs)

        self.opReorderInput = OpReorderAxes(parent=self)
        self.opReorderInput.AxisOrder.setValue('tzyxc')
        self.opReorderInput.Input.connect(self.InputImage)

        # PROBABILITIES: Convert to float32
        self.opConvertProbabilities = OpConvertDtype( parent=self )
        self.opConvertProbabilities.ConversionDtype.setValue( np.float32 )
        self.opConvertProbabilities.Input.connect( self.opReorderInput.Output )

        # PROBABILITIES: Normalize drange to [0.0, 1.0]
        self.opNormalizeProbabilities = OpPixelOperator( parent=self )
        def normalize_inplace(a):
            drange = self.opNormalizeProbabilities.Input.meta.drange
            if drange is None or (drange[0] == 0.0 and drange[1] == 1.0):
                return a
            a[:] -= drange[0]
            a[:] = a[:]/float(( drange[1] - drange[0] ))
            return a
        self.opNormalizeProbabilities.Input.connect( self.opConvertProbabilities.Output )
        self.opNormalizeProbabilities.Function.setValue( normalize_inplace )
        
        self.opSmoother = OpAnisotropicGaussianSmoothing5d(parent=self)
        self.opSmoother.Sigmas.connect( self.SmootherSigma )
        self.opSmoother.Input.connect( self.opNormalizeProbabilities.Output )
        
        self.opSmootherCache = OpBlockedArrayCache(parent=self)
        self.opSmootherCache.BlockShape.setValue((1, None, None, None, 1))
        self.opSmootherCache.Input.connect( self.opSmoother.Output )
        
        self.opCoreChannelSelector = OpSingleChannelSelector(parent=self)
        self.opCoreChannelSelector.Index.connect( self.CoreChannel )
        self.opCoreChannelSelector.Input.connect( self.opSmootherCache.Output )
        
        self.opCoreThreshold = OpLabeledThreshold(parent=self)
        self.opCoreThreshold.Method.setValue( ThresholdMethod.SIMPLE )
        self.opCoreThreshold.FinalThreshold.connect( self.HighThreshold )
        self.opCoreThreshold.Input.connect( self.opCoreChannelSelector.Output )

        self.opCoreFilter = OpFilterLabels(parent=self)
        self.opCoreFilter.BinaryOut.setValue(False)
        self.opCoreFilter.MinLabelSize.connect( self.MinSize )
        self.opCoreFilter.MaxLabelSize.connect( self.MaxSize )
        self.opCoreFilter.Input.connect( self.opCoreThreshold.Output )
        
        self.opFinalChannelSelector = OpSingleChannelSelector(parent=self)
        self.opFinalChannelSelector.Index.connect( self.Channel )
        self.opFinalChannelSelector.Input.connect( self.opSmootherCache.Output )

        self.opSumInputs = OpMultiArrayMerger(parent=self) # see setupOutputs (below) for input connections
        self.opSumInputs.MergingFunction.setValue( sum )
        
        self.opFinalThreshold = OpLabeledThreshold(parent=self)
        self.opFinalThreshold.Method.connect( self.CurOperator )
        self.opFinalThreshold.FinalThreshold.connect( self.LowThreshold )
        self.opFinalThreshold.GraphcutBeta.connect( self.Beta )
        self.opFinalThreshold.CoreLabels.connect( self.opCoreFilter.Output )
        self.opFinalThreshold.Input.connect( self.opSumInputs.Output )
        
        self.opFinalFilter = OpFilterLabels(parent=self)
        self.opFinalFilter.BinaryOut.setValue(False)
        self.opFinalFilter.MinLabelSize.connect( self.MinSize )
        self.opFinalFilter.MaxLabelSize.connect( self.MaxSize )
        self.opFinalFilter.Input.connect( self.opFinalThreshold.Output )

        self.opReorderOutput = OpReorderAxes(parent=self)
        #self.opReorderOutput.AxisOrder.setValue('tzyxc') # See setupOutputs()
        self.opReorderOutput.Input.connect(self.opFinalFilter.Output)

        self.Output.connect( self.opReorderOutput.Output )

        self.opCache = OpBlockedArrayCache(parent=self)
        self.opCache.CompressionEnabled.setValue(True)
        self.opCache.Input.connect( self.opReorderOutput.Output )
        
        self.CachedOutput.connect( self.opCache.Output )
        self.CleanBlocks.connect( self.opCache.CleanBlocks )
        
        ## Debug outputs
        self.Smoothed.connect( self.opSmootherCache.Output )
        self.InputChannel.connect( self.opFinalChannelSelector.Output )
        self.SmallRegions.connect( self.opCoreThreshold.Output )
        self.FilteredSmallLabels.connect( self.opCoreFilter.Output )
        self.BeforeSizeFilter.connect( self.opFinalThreshold.Output )

        # Since hysteresis thresholding creates the big regions and immediately discards the bad ones,
        # we have to recreate it here if the user wants to view it as a debug layer 
        self.opBigRegionsThreshold = OpLabeledThreshold(parent=self)
        self.opBigRegionsThreshold.Method.setValue( ThresholdMethod.SIMPLE )
        self.opBigRegionsThreshold.FinalThreshold.connect( self.LowThreshold )
        self.opBigRegionsThreshold.Input.connect( self.opFinalChannelSelector.Output )
        self.BigRegions.connect( self.opBigRegionsThreshold.Output )
コード例 #4
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    def __init__(self, *args, **kwargs):
        super(_OpThresholdTwoLevels, self).__init__(*args, **kwargs)

        self._opLowThresholder = OpPixelOperator(parent=self)
        self._opLowThresholder.Input.connect(self.InputImage)

        self._opHighThresholder = OpPixelOperator(parent=self)
        self._opHighThresholder.Input.connect(self.InputImage)

        self._opLowLabeler = OpLabelVolume(parent=self)
        self._opLowLabeler.Method.setValue(_labeling_impl)
        self._opLowLabeler.Input.connect(self._opLowThresholder.Output)

        self._opHighLabeler = OpLabelVolume(parent=self)
        self._opHighLabeler.Method.setValue(_labeling_impl)
        self._opHighLabeler.Input.connect(self._opHighThresholder.Output)

        self._opHighLabelSizeFilter = OpFilterLabels(parent=self)
        self._opHighLabelSizeFilter.Input.connect(self._opHighLabeler.Output)
        self._opHighLabelSizeFilter.MinLabelSize.connect(self.MinSize)
        self._opHighLabelSizeFilter.MaxLabelSize.connect(self.MaxSize)
        self._opHighLabelSizeFilter.BinaryOut.setValue(
            False)  # we do the binarization in opSelectLabels
        # this way, we get to display pretty colors

        self._opSelectLabels = OpSelectLabels(parent=self)
        self._opSelectLabels.BigLabels.connect(self._opLowLabeler.Output)
        self._opSelectLabels.SmallLabels.connect(
            self._opHighLabelSizeFilter.Output)

        # remove the remaining very large objects -
        # they might still be present in case a big object
        # was split into many small ones for the higher threshold
        # and they got reconnected again at lower threshold
        self._opFinalLabelSizeFilter = OpFilterLabels(parent=self)
        self._opFinalLabelSizeFilter.Input.connect(self._opSelectLabels.Output)
        self._opFinalLabelSizeFilter.MinLabelSize.connect(self.MinSize)
        self._opFinalLabelSizeFilter.MaxLabelSize.connect(self.MaxSize)
        self._opFinalLabelSizeFilter.BinaryOut.setValue(False)

        self._opCache = OpCompressedCache(parent=self)
        self._opCache.name = "_OpThresholdTwoLevels._opCache"
        self._opCache.InputHdf5.connect(self.InputHdf5)
        self._opCache.Input.connect(self._opFinalLabelSizeFilter.Output)

        # Connect our own outputs
        self.Output.connect(self._opFinalLabelSizeFilter.Output)
        self.CachedOutput.connect(self._opCache.Output)

        # Serialization outputs
        self.CleanBlocks.connect(self._opCache.CleanBlocks)
        self.OutputHdf5.connect(self._opCache.OutputHdf5)

        #self.InputChannel.connect( self._opChannelSelector.Output )

        # More debug outputs.  These all go through their own caches
        self._opBigRegionCache = OpCompressedCache(parent=self)
        self._opBigRegionCache.name = "_OpThresholdTwoLevels._opBigRegionCache"
        self._opBigRegionCache.Input.connect(self._opLowThresholder.Output)
        self.BigRegions.connect(self._opBigRegionCache.Output)

        self._opSmallRegionCache = OpCompressedCache(parent=self)
        self._opSmallRegionCache.name = "_OpThresholdTwoLevels._opSmallRegionCache"
        self._opSmallRegionCache.Input.connect(self._opHighThresholder.Output)
        self.SmallRegions.connect(self._opSmallRegionCache.Output)

        self._opFilteredSmallLabelsCache = OpCompressedCache(parent=self)
        self._opFilteredSmallLabelsCache.name = "_OpThresholdTwoLevels._opFilteredSmallLabelsCache"
        self._opFilteredSmallLabelsCache.Input.connect(
            self._opHighLabelSizeFilter.Output)
        self._opColorizeSmallLabels = OpColorizeLabels(parent=self)
        self._opColorizeSmallLabels.Input.connect(
            self._opFilteredSmallLabelsCache.Output)
        self.FilteredSmallLabels.connect(self._opColorizeSmallLabels.Output)
コード例 #5
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    def __init__(self, *args, **kwargs):
        super(OpVigraWatershedViewer, self).__init__(*args, **kwargs)
        self._seedThreshold = None

        # Overview Schematic
        # Example here uses input channels 0,2,5

        # InputChannelIndexes=[0,2,5] ----
        #                                 \
        # InputImage --> opChannelSlicer .Slices[0] ---\
        #                                .Slices[1] ----> opAverage -------------------------------------------------> opWatershed --> opWatershedCache --> opColorizer --> GUI
        #                                .Slices[2] ---/           \                                                  /
        #                                                           \     MinSeedSize                                /
        #                                                            \               \                              /
        #                              SeedThresholdValue ----------> opThreshold --> opSeedLabeler --> opSeedFilter --> opSeedCache --> opSeedColorizer --> GUI

        # Create operators
        self.opChannelSlicer = OpMultiArraySlicer2(parent=self)
        self.opAverage = OpMultiArrayMerger(parent=self)
        self.opWatershed = OpVigraWatershed(parent=self)
        self.opWatershedCache = OpSlicedBlockedArrayCache(parent=self)
        self.opColorizer = OpColorizeLabels(parent=self)

        self.opThreshold = OpPixelOperator(parent=self)
        self.opSeedLabeler = OpVigraLabelVolume(parent=self)
        self.opSeedFilter = OpFilterLabels(parent=self)
        self.opSeedCache = OpSlicedBlockedArrayCache(parent=self)
        self.opSeedColorizer = OpColorizeLabels(parent=self)

        # Select specific input channels
        self.opChannelSlicer.Input.connect(self.InputImage)
        self.opChannelSlicer.SliceIndexes.connect(self.InputChannelIndexes)
        self.opChannelSlicer.AxisFlag.setValue('c')

        # Average selected channels
        def average(arrays):
            if len(arrays) == 0:
                return 0
            else:
                return sum(arrays) / float(len(arrays))

        self.opAverage.MergingFunction.setValue(average)
        self.opAverage.Inputs.connect(self.opChannelSlicer.Slices)

        # Threshold for seeds
        self.opThreshold.Input.connect(self.opAverage.Output)

        # Label seeds
        self.opSeedLabeler.Input.connect(self.opThreshold.Output)

        # Filter seeds
        self.opSeedFilter.MinLabelSize.connect(self.MinSeedSize)
        self.opSeedFilter.Input.connect(self.opSeedLabeler.Output)

        # Cache seeds
        self.opSeedCache.fixAtCurrent.connect(self.FreezeCache)
        self.opSeedCache.Input.connect(self.opSeedFilter.Output)

        # Color seeds for RBG display
        self.opSeedColorizer.Input.connect(self.opSeedCache.Output)
        self.opSeedColorizer.OverrideColors.setValue({0: (0, 0, 0, 0)})

        # Compute watershed labels (possibly with seeds, see setupOutputs)
        self.opWatershed.InputImage.connect(self.opAverage.Output)
        self.opWatershed.PaddingWidth.connect(self.WatershedPadding)

        # Cache the watershed output
        self.opWatershedCache.fixAtCurrent.connect(self.FreezeCache)
        self.opWatershedCache.Input.connect(self.opWatershed.Output)

        # Colorize the watershed labels for RGB display
        self.opColorizer.Input.connect(self.opWatershedCache.Output)
        self.opColorizer.OverrideColors.connect(self.OverrideLabels)

        # Connnect external outputs the operators that provide them
        self.Seeds.connect(self.opSeedCache.Output)
        self.ColoredPixels.connect(self.opColorizer.Output)
        self.SelectedInputChannels.connect(self.opChannelSlicer.Slices)
        self.SummedInput.connect(self.opAverage.Output)
        self.ColoredSeeds.connect(self.opSeedColorizer.Output)
コード例 #6
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    def __init__(self, *args, **kwargs):
        super(OpThresholdTwoLevels, self).__init__(*args, **kwargs)

        self.opReorderInput = OpReorderAxes(parent=self)
        self.opReorderInput.AxisOrder.setValue('tzyxc')
        self.opReorderInput.Input.connect(self.InputImage)

        self.opSmoother = OpAnisotropicGaussianSmoothing5d(parent=self)
        self.opSmoother.Sigmas.connect(self.SmootherSigma)
        self.opSmoother.Input.connect(self.opReorderInput.Output)

        self.opSmootherCache = OpBlockedArrayCache(parent=self)
        self.opSmootherCache.BlockShape.setValue((1, None, None, None, 1))
        self.opSmootherCache.Input.connect(self.opSmoother.Output)

        self.opCoreChannelSelector = OpSingleChannelSelector(parent=self)
        self.opCoreChannelSelector.Index.connect(self.CoreChannel)
        self.opCoreChannelSelector.Input.connect(self.opSmootherCache.Output)

        self.opCoreThreshold = OpLabeledThreshold(parent=self)
        self.opCoreThreshold.Method.setValue(ThresholdMethod.SIMPLE)
        self.opCoreThreshold.FinalThreshold.connect(self.HighThreshold)
        self.opCoreThreshold.Input.connect(self.opCoreChannelSelector.Output)

        self.opCoreFilter = OpFilterLabels(parent=self)
        self.opCoreFilter.BinaryOut.setValue(False)
        self.opCoreFilter.MinLabelSize.connect(self.MinSize)
        self.opCoreFilter.MaxLabelSize.connect(self.MaxSize)
        self.opCoreFilter.Input.connect(self.opCoreThreshold.Output)

        self.opFinalChannelSelector = OpSingleChannelSelector(parent=self)
        self.opFinalChannelSelector.Index.connect(self.Channel)
        self.opFinalChannelSelector.Input.connect(self.opSmootherCache.Output)

        self.opSumInputs = OpMultiArrayMerger(
            parent=self)  # see setupOutputs (below) for input connections
        self.opSumInputs.MergingFunction.setValue(sum)

        self.opFinalThreshold = OpLabeledThreshold(parent=self)
        self.opFinalThreshold.Method.connect(self.CurOperator)
        self.opFinalThreshold.FinalThreshold.connect(self.LowThreshold)
        self.opFinalThreshold.GraphcutBeta.connect(self.Beta)
        self.opFinalThreshold.CoreLabels.connect(self.opCoreFilter.Output)
        self.opFinalThreshold.Input.connect(self.opSumInputs.Output)

        self.opFinalFilter = OpFilterLabels(parent=self)
        self.opFinalFilter.BinaryOut.setValue(False)
        self.opFinalFilter.MinLabelSize.connect(self.MinSize)
        self.opFinalFilter.MaxLabelSize.connect(self.MaxSize)
        self.opFinalFilter.Input.connect(self.opFinalThreshold.Output)

        self.opReorderOutput = OpReorderAxes(parent=self)
        #self.opReorderOutput.AxisOrder.setValue('tzyxc') # See setupOutputs()
        self.opReorderOutput.Input.connect(self.opFinalFilter.Output)

        self.Output.connect(self.opReorderOutput.Output)

        self.opCache = OpBlockedArrayCache(parent=self)
        self.opCache.CompressionEnabled.setValue(True)
        self.opCache.Input.connect(self.opReorderOutput.Output)

        self.CachedOutput.connect(self.opCache.Output)
        self.CleanBlocks.connect(self.opCache.CleanBlocks)

        ## Debug outputs
        self.Smoothed.connect(self.opSmootherCache.Output)
        self.InputChannel.connect(self.opFinalChannelSelector.Output)
        self.SmallRegions.connect(self.opCoreThreshold.Output)
        self.FilteredSmallLabels.connect(self.opCoreFilter.Output)
        self.BeforeSizeFilter.connect(self.opFinalThreshold.Output)

        # Since hysteresis thresholding creates the big regions and immediately discards the bad ones,
        # we have to recreate it here if the user wants to view it as a debug layer
        self.opBigRegionsThreshold = OpLabeledThreshold(parent=self)
        self.opBigRegionsThreshold.Method.setValue(ThresholdMethod.SIMPLE)
        self.opBigRegionsThreshold.FinalThreshold.connect(self.LowThreshold)
        self.opBigRegionsThreshold.Input.connect(
            self.opFinalChannelSelector.Output)
        self.BigRegions.connect(self.opBigRegionsThreshold.Output)