Surveying apparatus and method of analyzing measuring data
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Abstract
Embodiments of the invention relate to a method for minimizing the influence of disturbing signals during calculation of shape elements from coordinate points. An aim of the embodiments of the invention is to exclude the coordinates which are not to be locally assigned to the desired shaped element from the calculation of the shaped element. Said aim is achieved by combining compensation methods for calculating the desired type of shaped element with recognition methods for the same type of shaped element and using the recognition methods for filtering the coordinate points that are relevant for calculating the shaped element out of all input coordinate points.
6 Citations
37 Claims
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1-26. -26. (canceled)
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27. A computer-readable medium comprising:
information representing parameters which represent at least a portion of a feature of an object as a geometric shape, the parameters determined by;
(a) a recognition method performed on a plurality of data values representing at least the portion of the feature of the object as an initial geometric shape, (b) eliminating data values having a distance from the initial geometric shape greater than a first threshold, or (c) performing a regression analysis on the remaining data values.- View Dependent Claims (28, 29, 30, 31)
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32. A method of analyzing measuring data comprising the steps of:
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obtaining measuring data from a measuring device, the measuring data comprising data values representing at least a portion of a feature of an object;
performing a recognition method on at least a subset of the data values to determine parameters representing at least the portion of the feature of the object as an initial geometric shape element;
eliminating data values having a distance from the initial geometric shape element greater than a first threshold; and
performing a regression analysis on at least a subset of data values not so eliminated to determine parameters of a geometric shape element better representing at least the portion of the feature of the object. - View Dependent Claims (33, 34, 35, 36)
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37. An information signal comprising:
information representing parameters which represent at least a portion of a feature of an object as a geometric shape, the parameters determined by;
(a) a recognition method performed on a plurality of data values representing the feature of the object as an initial geometric shape, (b) eliminating data values having a distance from the initial geometric shape greater than a first threshold, or (c) performing a regression analysis on the remaining data values.
Specification