Measuring of feature for photo interpretation

Details Measuring of feature for photo interpretation Measuring of feature for photo interpretation

1981-06-29

1983-05-10

Punter, William H.

Optics: measuring and testing

Angle measuring or angular axial alignment

Sides of angle or axes being aligned transverse to optical...

33 1A, 356372, 356397, G01C 2106, G01B 1102, G01B 524

Patent

active

043826784

ABSTRACT:
A method and apparatus is disclosed for determining the height, width, leh and orientation of an object from the feature image of the object found on oblique panoramic aerial photography. A magnifying eyepiece is provided with a calibrated reticle for measuring the dimensions of the feature image. The eyepiece also has a reference mark and indicia about the eyepiece for measuring the orientation from true north of the longitudinal axis of the feature image. The actual measurements of the object are quickly determined from the measurements of the feature image using a suitably programmed calculator supplied with the photograph and camera parameters.

REFERENCES:
patent: 1649406 (1927-11-01), Holst
patent: 2261201 (1941-11-01), Wilson
patent: 2418264 (1947-04-01), James et al.
patent: 3217413 (1965-11-01), Coleman
patent: 3535043 (1970-10-01), Hong
patent: 3614410 (1971-10-01), Bailey et al.
patent: 3750293 (1973-08-01), Forrest
patent: 4172662 (1979-10-01), Vogel

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