SEMI-AUTOMATIC EXTRACTION OF LINEAR FEATURES FROM IMAGE DATA INCLUDING PATH MATERIAL TYPE ATTRIBUTION
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United States of America Patent
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app pub date -
Jul 15, 2013
filing date -
May 2, 2006
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Abandoned
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Abstract
Method for editing a vector set associated with an extracted linear feature in a remotely sensed image, the vector set defining a path and being tied to a geographical location. The method includes displaying the path in a graphical display. Once the user activates a smart editing tool, the user establishes a region of influence centered around a cursor. The region of influence is configured to respond to cursor movements. The user specifies a point near the path and moves the cursor to it, bringing the region of influence along. Any error in the vector set of the path is automatically corrected in real time using image-based logic. The user then previews the correction on the graphical display and implements it, updating the path. The updated path is displayed in real time in the graphical display.
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