TY - GEN
T1 - Sub-pixel stereo matching
AU - Sabater, N.
AU - Morel, J. M.
AU - Almansa, A.
N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].
PY - 2010
Y1 - 2010
N2 - The obtention of 3D information from two images requires the perfect control of a long chain of algorithms: internal and external calibration, stereo-rectification, correlation, and finally 3D reconstruction. In this paper we focus on the improvement of the correlation step for small baseline stereo. In that setting a very strong sub-pixel accuracy is possible. This accuracy is also necessary to obtain high resolution urban maps in geographic information systems. We show that if the images are carefully taken, then the disparity map in stereo-rectified images can be computed for a majority of image points to a 1/20 pixel precision under realistic noise conditions. Experiments on the Middlebury benchmark also stress the need for a methodology to create reliable ground truths. © 2010 IEEE.
AB - The obtention of 3D information from two images requires the perfect control of a long chain of algorithms: internal and external calibration, stereo-rectification, correlation, and finally 3D reconstruction. In this paper we focus on the improvement of the correlation step for small baseline stereo. In that setting a very strong sub-pixel accuracy is possible. This accuracy is also necessary to obtain high resolution urban maps in geographic information systems. We show that if the images are carefully taken, then the disparity map in stereo-rectified images can be computed for a majority of image points to a 1/20 pixel precision under realistic noise conditions. Experiments on the Middlebury benchmark also stress the need for a methodology to create reliable ground truths. © 2010 IEEE.
UR - https://www.scopus.com/pages/publications/78650909470
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-78650909470&origin=recordpage
U2 - 10.1109/IGARSS.2010.5649649
DO - 10.1109/IGARSS.2010.5649649
M3 - RGC 32 - Refereed conference paper (with host publication)
SN - 9781424495658
SN - 9781424495665
T3 - International Geoscience and Remote Sensing Symposium (IGARSS)
SP - 3182
EP - 3185
BT - 2010 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2010
PB - IEEE
T2 - 2010 30th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2010
Y2 - 25 July 2010 through 30 July 2010
ER -