Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1975-05-23
1978-09-19
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
235 92PC, 364515, H04N 718
Patent
active
041158067
ABSTRACT:
This system measures features or objects each represented by an image by scanning the image in a line scan raster and processing the resulting video signal to determine measurement parameters describing each feature. The system practices methods for obtaining the measurements from signals generated from line intercepts of individual or groups of features. Signal information defining the position of line intercepts intersecting the features, or topological points of each feature is obtained. This information is related to X and Y coordinates and is stored for subsequent use to generate index signals at respective positions in the scan format relating to the stored positions of the X and Y coordinates. The index signals are used to read measurement parameter information from measurement logic or memory.
REFERENCES:
patent: 2791695 (1957-05-01), Bareford
patent: 3390229 (1968-06-01), Williams
patent: 3619494 (1971-11-01), Fisher
patent: 3624604 (1971-11-01), Gibbard
patent: 3751585 (1973-08-01), Fisher
patent: 3946361 (1976-03-01), Cruttwell
Bausch & Lomb Incorporated
Bogdon Bernard D.
Britton Howard W.
Parker Frank C.
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