Chapter 17: Fault Inspection; Outline - Sharp IV-C35M User Manual

Chapter 17: Fault Inspection

17-1 Outline

Detect flaws or dirt on a workpiece that color was emphasized using a color filter
function.(Using a gray search function after filtering a color, the controller detects
cells having the maximum density and minimum density in the search area. It can
measure the maximum density difference with all of the area (total difference), a
Purpose
position that has maximum density difference with an adjacent cell (adjacent
difference).
Detect flaws or dirt on a workpiece that are the same color as was emphasized
Application
using a color filter function.
Example
Inspection of whole of color LCD monitor screen
Cell
[Inspection procedures]
Captured image Specify search area
[Measurement results]
Average hue
Average saturation
Binary area
Color degree of match
Search area
Specify a cell
17-1
Fault Inspection
Measurement
17