Segment Features

Calculate features of an image under consideration of a given labeling. e.g.: Calculate each selected feature for each individual segment.

Options

Features

Segment Geometry

• Basic geometric properties: e.g. size, perimeter, centroid, circulartiy, convexity, diameter, ...

Shape Descriptors

• Centroid Distance: The distance from the centroid to the outline of this segment.
• FD Centroid Distance: The distances from the centroid to the contour in fourier space. From the resulting fourier coefficients the magnitude is taken and their are normalized by the first component (cp. Fourier Descriptors). Please note that only (n/2)-1 features will be calculated (where n is the number of contour points). The number of samples must be a power of 2.

Segment Settings

Append labels of overlapping segments

If true, the labels of overlapping segments will be appended in an additional column (';'-separated).

Overlapping segments do NOT need to completely overlap

If selected, segments will also be counted as overlapping, if so don't overlap completely.

Append segment information

If selected, additional information of each segment will be add (e.g. bitmask, source labeling, label). Useful, e.g., if the resulting segment table should be composed again to a labeling (e.g. using the GroupBy-node).

Filter on segment labels

Only labels which hold the given rule considered during the calculation.

Filter overlapping segment labels

Only the labels that comply with the specified rules will appear in the list of overlapping labels.

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Workflows

• 01_Overlay_RGBKNIME Hub
• 01_Simple_HiliteKNIME Hub
• 01_Watershed_SegmentationKNIME Hub
• 02_Larva_TrackingKNIME Hub
• 02_Larva_Tracking-fixedKNIME Hub
• Show all 42 workflows

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