Method for reading out a detection chip of an electronic camera
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United States of America Patent
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N/A
Issued Date -
Dec 26, 2002
app pub date -
Jun 14, 2002
filing date -
Jun 15, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention concerns a method for reading out a detection chip of an electronic camera in a coordinate measuring instrument for determining the position of an edge of a feature on a substrate, having at least two digitization devices reading out the detection chip, with each of which individual pixels of the detection chip are associated, the digitized data read out by the digitization devices being subjected to a data reduction in order to extract characteristic measurement parameters. The method is intended to make it possible for the detected image data of a large-format camera to be equalized, and optionally for characteristic measurement parameters to be extracted, even at a high readout rate, with the computational capacity essentially of a fast personal computer. The method according to the present invention for reading out a detection chip of a camera is characterized in that an equalization of the reduced digitized data of the various digitization devices is accomplished with a correction function.
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