User`s manual

11-1
Existence Inspection by Point Measurement
11
Chapter 11: Existence Inspection by Point Measurement
･ Inspection sequence
Image capture
Binary image
conversion
Black/white evaluation
of points
Average light
level
Light level evaluation
of points
Purpose
Examples
Applications
Checking the presence or absence of packed parts, inspecting the working
condition of LEDs or fluorescent character display tubes, and sorting household
electric appliances
Inspection of 6 points
The presence or absence of target objects is examined.
･ A simple black and white evaluation is made in the specified pixel area of
binary images.
･ The light level in the specified pixel area is averaged, and a decision is made
whether or not it is within the specified range of brightness for gray scale
images.
Number of points (max.):
128 points looking at average
light levels 256 points in binary
images
Point size: 2 m x 2n pixels
(m, n = 1 to 16)
11-1 Outline