Image analysis – Histogram processing – For setting a threshold
Patent
1988-12-08
1991-04-30
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 48, 358105, 34082534, G06K 900, G06K 920, H04N 718, G07D 700
Patent
active
050125222
ABSTRACT:
A machine is disclosed that is capable of locating human faces in video scenes with random content within two minutes, and capable of recognizing the faces that it locates. The machine uses images obtained from a video camera and is insensitive to variations in brightness, scale, focus, and operates without any human intervention or inputs. When a motion detection feature is included, (one of its options), the location and recognition events occur in less than 1 minute. One embodiment of the system uses: a camera, a Micro-Vax computer, an analog-go-digital A/D converter, and a hard copy print out to process video scenes with random content using an original computer program to locate human faces and identify them. In operation, the camera converts the video scenes into an analog electrical signal, which is converted into digital and forwarded to the computer. The computer performs an original pattern recognition algorithm to search for facial components, identify a gestalt face, and compare the gestalt-face's detected facial characteristics with a stored set of facial characteristics of known human faces, to identify the face thereby.
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Routh, Richard L., "Cortical Thought Theory: A Working Model of The Human Gestalt Mechanism", Doctoral Thesis, Document #AD-A163215, Air Force Institute of Technology, Jul. 1985.
Auton William G.
Boudreau Leo H.
Cammarata Michael R.
Singer Donald J.
The United States of America as represented by the Secretary of
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