Patent №
US 4,357,596
Granted
1982-11-02
Filed 1980
Owner
NATIONAL COMPUTER SYSTEMS, INC.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
06154742
In a document scanning scheme where data is preceded on the document by a preprinted document scan mark, circuitry is employed to utilize multiple line scans of the scan mark by a line scan camera to verify the presence of a scan mark and avoid erroneous response to random marks on the document.
VisionG06K 7/1092
AI classification
Vision0.97
Evolutionary computation0.46
Natural language0.10
Planning0.01
Speech0.00
AI hardware0.00
Machine learning0.00
Knowledge representation0.00
Ownership
NATIONAL COMPUTER SYSTEMS, INC.
assignment · 42090830
From the same owner
METHOD OF DISTRIBUTION OF DIGITIZED MATERIALS AND CONTROL OF SCORING FOR OPEN-ENDED ASSESSMENTSUS 6,256,399 · 2001METHOD FOR SCORING AND CONTROL OF SCORING OPEN-ENDED ASSESSMENTS USING SCORERS IN DIVERSE LOCATIONSUS 5,987,149 · 1999APPARATUS AND METHOD FOR SCORING NONOBJECTIVE ASSESSMENT MATERIALS THROUGH THE APPLICATION AND USE OF CAPTURED IMAGESUS 5,672,060 · 1997IMAGE CAPTURE AND STORAGE TECHNIQUES IN ASSOCIATION WITH OPTICAL MARK READINGUS 5,452,379 · 1995SYSTEM FOR PROVIDING PERFORMANCE FEEDBACK TO TEST RESOLVERSUS 5,437,554 · 1995CATEGORIZED TEST ITEM REPORTING SYSTEMUS 5,433,615 · 1995ADJUSTABLE READ LEVEL THRESHOLD FOR OPTICAL MARK SCANNINGUS 5,420,407 · 1995MULTIPLE TEST SCORING SYSTEMUS 5,321,611 · 1994