Aerial Photograph Reseau Mensuration with Sensing Arrays

A method is described for using a solid-state area array in a system to measure automatically the distance between reseau points on aerial photographs. An array is used to detect the center of reseau cross images by determining where the spatial derivative of the image goes to zero. Experimental res...

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Bibliographic Details
Published inIEEE transactions on instrumentation and measurement Vol. 26; no. 1; pp. 29 - 32
Main Authors Seemuller, William W., Chen, Pi-Fuay
Format Journal Article
LanguageEnglish
Published IEEE 01.03.1977
Subjects
Area measurement
Arm
Distortion measurement
Interferometers
Optical arrays
Optical devices
Optical interferometry
Position measurement
Solid state circuits
Temperature
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Summary:A method is described for using a solid-state area array in a system to measure automatically the distance between reseau points on aerial photographs. An array is used to detect the center of reseau cross images by determining where the spatial derivative of the image goes to zero. Experimental results from actual aerial imagery show that it is possible to locate the center of typical reseau crosses to a repeatability of 2μm.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.1977.4314479