Image inspecting apparatus and image inspecting program
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United States of America Patent
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Jan 10, 2017
Grant Date -
Aug 6, 2015
app pub date -
Jul 23, 2014
filing date -
Feb 3, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Image inspecting apparatus compares first image data created as data representing a reference-image acting as an inspecting reference with second image data created as data representing an inspection-image acting as a target to automatically extract a difference point between first and second image data, and includes a storage means for the reference- and inspection-image, an image processing means for establishing correspondences between part of stored reference-image as first image data with part of stored target image as second image data at a pixel level to perform an image matching processing of them, a difference detecting means for comparing image-matched first and second image data to detect a difference between first and second image data, image producing means for comparing difference with a plurality of threshold values to produce error representing image data at each threshold value, and inspecting process using produced error representing image data at each threshold value.
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