Image processing for handheld scanner
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United States of America Patent
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Mar 5, 2019
Grant Date -
Jun 16, 2016
app pub date -
Feb 19, 2016
filing date -
May 20, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A computer peripheral that may operate as a scanner. The scanner captures image frames as it is moved across an object. The image frames are formed into a composite image based on computations in two processes. In a first process, fast track processing determines a coarse position of each of the image frames based on a relative position between each successive image frame and a respective preceding image determine by matching overlapping portions of the image frames. In a second process, fine position adjustments are computed to reduce inconsistencies from determining positions of image frames based on relative positions to multiple prior image frames. The peripheral may also act as a mouse and may be configured with one or more navigation sensors that can be used to reduce processing time required to match a successive image frame to a preceding image frame.
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