Flaws, such as contamination, scratches, cracks, discoloration and burn marks, are small changes in the appearance of a product that might indicate defects. Flaws are usually random, so machine vision looks for pattern changes, changes in color or texture, or for a particular type of connected structure.
Getting Important of Detecting Surface defects :- Prevent or reduce unwanted quality cost for manufacturer
- Earlier detection to have greater saving on production cost
- Improve product functionality and cosmetic value