Method and apparatus for resampling line scan data

Details Method and apparatus for resampling line scan data Method and apparatus for resampling line scan data

2008-09-16

2008-09-16

Philippe, Gims S. (Department: 2621)

Television

Special applications

Object or scene measurement

C348S206000, C348S125000, C358S486000

Reexamination Certificate

active

10712428

ABSTRACT:
A method and an apparatus to accept line-scan data sets at a camera rate from a line-scan camera and resample the line-scan data sets to produce resampled line image data sets at a desired sampling distance. Each line-scan data set is of an object imaged for a fixed exposure time and moving at a relative speed in relation to the line-scan camera. The method includes accepting the line-scan data sets at the camera rate from the line-scan camera, accepting a measure of the relative speed between the line-scan camera and the object being imaged by the line-scan camera, and resampling the line-scan data sets to produce resampled line image data sets at the desired sampling distance. The resampling is a function of the camera rate, the measure of relative speed and the desired sampling distance. The resampling adjusts for the variations in relative speed to produce faithfully exposed data.

REFERENCES:
patent: 4170419 (1979-10-01), Van Tyne et al.
patent: 4591727 (1986-05-01), Gaebelein et al.
patent: 5608538 (1997-03-01), Edgar et al.

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