A new technique to extract range information from stereo images
Shah, Y.C.
Chapman, R.
Mahani, R.B.
PA Technol., Melbourn;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Jul 1989
Volume: 11,
Issue: 7
On page(s): 768-773
ISSN: 0162-8828
References Cited: 22
CODEN: ITPIDJ
INSPEC Accession Number: 3466272
Digital Object Identifier: 10.1109/34.192472
Current Version Published: 2002-08-06
Abstract
Results are described for an algorithm that automatically
registers two stereo images. An exact area registration process which
automatically removes all residual distortion due to the geometry of the
stereo imaging system is demonstrated. This process allows the match
judgement to be based upon an analysis of the residual differences of
structure and intensity existing after all differences due to
geometrical distortion have been corrected. The accuracy in general
seems to be of the order of 1% of range, since the average distance to
the model was about 600 mm and the RMS error in range was about 6 mm.
The fact that the maximum error was greater by a factor of five
indicates that there were still some mismatched points and the
procedures followed in the stereo ranging algorithm were not sufficient.
Further modifications to the algorithm are needed
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