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Description

Takes the results of the blob analysis or a previous blob filter and sorts out unwanted blobs based on user definable criteria.

Using the Blob Filter

The Blob filter is always based on the work of a previous blob tool.

1. Use the blob tool to analyze the blobs on an image.

2. On the Blob Filter's Inputs page drag the blob tool onto the Blob input and set it to "Blobs".

3. Use the Blob Filter's Filter page to define the criteria.  Use the dropdown menu to enable the filters.

Blob Filter Page.

Blob Filter Parameters

The user can select minimum and maximum values for any blob attributes. The attribute can be enabled or disabled. It will be possible to say whether the desired blobs are within or outside of the selected criteria.

The selection criteria include:

Area
Perimeter
Location
Number of holes/children
Foreground or background
Moments about each axis
Width
Height
Roundness 1 being round else < than 1
Squareness 1 being square else < than 1
Form factor Width/Height never exceeding 1

Results

Number Blobs
The number of blobs found and measured.

Total Area
The combined area of all the blobs

For each blob:

Area
Perimeter
Location
Number of holes/children
Foreground or background
Moments about each axis
Width
Height
Roundness 1 being round else < than 1
Squareness 1 being square else < than 1
Form factor Width/Height never exceeding 1


 

Inputs

CIFViewer

Blobs

Parameters

RefreshViewer

SortAttribute

SortDescending

HighlightColor

BlobColor

LargestArea

TotalArea

Count

Blobs

Attribute1

Min1

Max1

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