Chapter 14: Point Measurement; Outline - Sharp IV-C35M User Manual

Chapter 14: Point Measurement

14-1 Outline

Evaluate whether workpieces are present or not at multiple specified points.
- Gray processes or converts to binary the image and evaluates whether specified
Purpose pixel area is white or black.
- Obtains average density of specified pixel area, and evaluates whether the
density is within the specified range.
Existence inspection of packing parts, inspect lighting conditions of mobile phones,
Application
LEDs, and fluorescent tubes, and sorting products.
Inspection for LED lightings on mobile phones
Example
Inspection procedures
Image capture
CHR CLR
PWR
Number of points (max.)
Point size: 2 m x 2 n pixels
Binary conversion
Average light level
14-1
Point Measurement
: 128 points at average light levels
256 points in binary images
(m, n = 1 to 16)
Black/white evaluation of points
Light level evaluation of points
14