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SFB/TR 8 - Project R3-[Q-Shape] - Research

SFB/TR8 - Project R3   - Project R3-[Q-Shape]
 

Updating the Map & Localizing within Shape Representation

Updating the Map & Localizing Within


Key Features:

  • Based on correspondence of comprehensive shape features (establishing a large context)
  • Alignment and merging are expressed as an iterative process

Principle of Operation:

The iterative process consists of three steps operating on individual corresponding shape features (polylines). It starts with an initial alignment of the corresponding polylines.
  • Decomposition into an overlapping part, 'head' and 'tail'
  • Alignment minimizing the differing area of two corresponding polylines. All scan's polylines are moved simoultanously to obtain the best overall displacement dX, dY, dR.
  • Weigthed modification of the overlapping part to harmonize polylines with each other

Results:

See the resulting map from 450 scans


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