예제 #1
0
    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)
예제 #2
0
    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)