Blob - HikRobot SC2000 Series User Manual

In Image Display, click
color, and transparency.
In OSD, enable Display Text to set text's color, front size, transparency, position X, and position Y.

7.4.6 Blob

Blob analysis means that the process of detecting, locating, or analyzing the target object in an
image region where the pixel is a finite grayscale. The Blob analysis tool provides certain features
of the target object in the image, such as presence, quantity, position, shape, direction, and
topological relation between Blobs.
Parameter Settings
Threshold Method
It includes 4 methods, including No Binarization, Single Threshold, Double Threshold, and Auto
Threshold.
Polarity
It has 2 modes, including Darker than Background, and Brighter than Background. Darker than
Background means that the feature image pixel value is lower than the background pixel value.
Brighter than Background means that the feature image pixel value is higher than the
background pixel value.
Note
This parameter takes effect when selecting Single Threshold or Auto Threshold as Threshold
Method.
Searching Quantity
It searches the quantity of Blob image.
Min. Size of Hole
It refers to the min. non-Blob area size in Blob area. If the parameter is not larger than this
value, the hole will be filled with Blob.
Enable Area
After enabling area, you can set the area range where Blob will be searched.
Enable Circumference
After enabling circumference, you can set the circumference range where Blob will be searched.
Enable Minor Axis
After enabling it, you can enter the range of short axis.
Enable Major Axis
After enabling it, you can enter the range of long axis.
SC2000 Series Vision Sensor User Manual
to display or not display detection area. Click
35
to edit OK color, NG