Video data acquisition system and hand-held application module f

Details Video data acquisition system and hand-held application module f Video data acquisition system and hand-held application module f

1982-03-05

1985-09-03

Martin, John C.

Image analysis

Histogram processing

For setting a threshold

382 15, 382 18, 358210, 364513, G06K 952, H04N 530, G06F 1546

Patent

active

045397031

ABSTRACT:
A video data acquisition system includes a vision system having a video camera for taking pictures of articles. The video acquisition system is adapted to acquire, digitize and select signals within a predetermined amplitude range as representations of pixels of the images of the pictures arranged in rows, columns and diagonal lines, and further adapted to provide a total count of pixels in rows, columns and diagonal lines. A hand-held application module for directing the operation of the vision system has teaching capabilities in conjunction with the system for causing the video camera to take repeated pictures of an article within its field of view in various positions to provide identity of the article. The video acquisition system includes means for computing the area and perimeter of the article and for computing the maximum moments and minimum moments, thereby providing an identification of the article and its orientation.

REFERENCES:
patent: 4183013 (1980-01-01), Agrawala
patent: 4305130 (1981-12-01), Kelley et al.
patent: 4316188 (1982-02-01), Cancasci, Jr.
Nakano et al., "Improvement of Chinese Character Rec. Using Projection Profiles" Proceedings of 1st Int. Joint Conf. on Pattern Rec. 10/30-11/1 1973.
Thorpe et al., "A Portable Camera Control Unit for the TKP-45 Color Television Camera" SMPTE Journal, vol. 85, No. 2, pp. 65-69, Feb. 1976.

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