Patent
Object locating system using image centroid measurement
Morris M Birnbaum,Phil M Salomon +1 more
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The article was published on 1968-05-01. It has received 8 citations till now. The article focuses on the topics: Object (computer science) & Centroid.read more
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Method and apparatus for electro-optically determining the dimension, location and attitude of objects including light spot centroid determination
TL;DR: In this paper, the authors describe a method and apparatus for optically determining the dimension of part surfaces, such as gear teeth and turbine blades, using optical triangulation based coordinate measurement machines.
Patent
Optical tracking system
TL;DR: In this paper, an optical system for tracking a target scans an optical beam across the target in a Lissajous pattern and calculates the deviation of a reference location on the pattern, e.g., its center, from a selected location of the target.
Patent
Method and apparatus for determining centroid coordinates and angular orientation of a surface
TL;DR: In this paper, the centroid of an area was determined by scanning the area with a television scanner in a rectangular scan, summating voltages derived from the scan and utilizing said voltages to derive the co-ordinates of the Centroid.
Patent
Pixel-frequency slews and filters for star data measurements
TL;DR: In this paper, a method and apparatus for reducing centroiding error of a star sensor having a plurality of pixels is presented, which comprises the steps of computing a star sensors angular slew rate of ω pixels per star sensor integration period τ, collecting star sensor data while slewing the star sensor according to the selected star sensor angular slew rates ω, and filtering the collected star sensor collected data according to a frequency determined by the selected sensor angular swarm rate.
Patent
Spatially integral, video signal processor
Brock S. Dew,Paul Greiff +1 more
TL;DR: In this paper, a video signal processor is used for identifying light source position. Butts et al. used a single semiconductor chip with charge coupled device electrodes in a predetermined pattern to reduce the amount of interconnection, external electronics and the spatial distribution of the video signal.