H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/32
H04N 7/18 (2006.01) G01C 11/00 (2006.01) G06F 3/00 (2006.01) G06F 3/033 (2006.01)
Patent
CA 1173179
WRITE AND EDIT CIRCUITRY FOR ELECTRONIC MARKING OF DISPLAYED TV SIGNAL IMAGES ABSTRACT A new, revolutionary approach to image processing is disclosed. Using simple logic circuit elements a real time same scan video marking circuit is disclosed which is adaptable to a variety of purposes. The invention can be advantageously used as part of an integrated photogrammetric video measurement system. Using such a system, areas or distances or other graphically detectable characteristics can be displayed on a color television set for purposes of analysis and measurement. Moving pictures, made at ground locations or from an aircraft and collected in television form on a video cassette recorder, can be displayed on the television monitor and measurements of area or of distance made electronically. For the study and analysis of hard copy images, i.e. still photographs, aerial maps, x-rays and the like, an auxiliary system camera can be used which projects the picture onto the television monitor. Gray levels of the display can be detected and electronically marked for such purposes as crop measurement, infestation, weather damage, saline seep studies and the like, or, using other features of the invention, which includes a digital bit plane overlay, specific areas of the analog video display can be electronically marked on the monitor with a light pen, light pencil or cursor controls and, after visual analysis, electronically entered into calculating electronics for puroses of electronic analysis of area or distance measurements, density, heat characteristics, and the like.
385496
Measuronics Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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