Resources Contact Us Home
Manufacturing inspection of folded feminine hygiene products by cascading edge and skew detection

Image Number 5 for United States Patent #7809179.

A process is provided for inspecting an absorbent article constructed from multiple components. A filtered image is produced from the absorbent article. In the image of the absorbent article, a nonlinear first edge and a second edge are identified at a location where there is a course change in contrast. A center point and centerline of the absorbent article is calculated using the position of the first edge and the second edge. A skew of the absorbent article is calculated. These known locations are utilized to define at least one additional region of the image for further analysis. A third edge and fourth edge are identified at a location where there is a fine change in contrast. The skew of the third edge and the fourth edge within the defined region is calculated and compared to known parameters for the absorbent article.

  Recently Added Patents
Image forming apparatus
Advertising system and method
Method for adapting a contact point of a clutch in a drivetrain of a motor vehicle
Interconnecting virtual domains
Laser marking of a card
Case for a tablet computer
Parallel power inverter motor drive system
  Randomly Featured Patents
Adjustment mechanism for rigid boot of a vehicle transmission shifter
Tool for securing threaded inserts
Ink-jet head, ink-jet cartridge, printing apparatus, and ink-jet printing method
Adjustable arm control
Optical device including a dichromatic mirror
System and method for interrogation radio-frequency identification
Method of completing and producing a subteranean well and associated
Treatment of body tissue by means of internal cavity resonance
Method and apparatus of changing characters on a font and preparing a font duplicate
Treatment of photographic effluent