05528290 is referenced by 97 patents and cites 7 patents.

A device for transcribing, into electronic form, markings drawn on a whiteboard or blackboard. An electronic camera such as an ordinary video camera is mounted on a computer-controlled pan/tilt head in the ceiling or to the side of the board. Images are captured by directing the camera successively at small regions of the board, then processing these snapshots electronically, leading to a complete, undistorted, high-resolution image of the entire board.

Title
Device for transcribing images on a board using a camera based board scanner
Application Number
8/303918
Publication Number
5528290
Application Date
September 9, 1994
Publication Date
June 18, 1996
Inventor
Eric Saund
San Carlos
CA, US
Agent
Tracy L Hurt
R Christine Jacobs
Assignee
Xerox Corporation
CT, US
IPC
H04N 5/225
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