Recovering enhanced resolution images and digital elevation models from compressed image sequences

Article

Scarmana, Gabriel and Fryer, John G.. 2004. "Recovering enhanced resolution images and digital elevation models from compressed image sequences." The Photogrammetric Record. 19 (106), pp. 149-162.
Article Title

Recovering enhanced resolution images and digital elevation models from compressed image sequences

ERA Journal ID4654
Article CategoryArticle
AuthorsScarmana, Gabriel (Author) and Fryer, John G. (Author)
Journal TitleThe Photogrammetric Record
Journal Citation19 (106), pp. 149-162
Number of Pages13
Year2004
Place of PublicationOxford, United Kingdom
ISSN0031-868X
1477-9730
Web Address (URL)http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1477-9730/issues
Abstract

A device-independent algorithm for the estimation of an enhanced resolution image from a low-resolution compressed sequence is proposed. The algorithm utilises least squares matching to extract the interdependence of the low-resolution images. This algorithm also has the effect of attenuating compression artefacts. Improving the spatial resolution of the image sequence is not the only goal of the enhancement algorithm, as the enhanced images in turn lead to digital elevation models (DEMs) of improved accuracy.

Experimental results illustrate the algorithm’s performance as a tool for digital photogrammetric applications. Stereoscopic sets of left and right images were taken of objects of known geometry and DEMs were created using both the original coarse images and compressed images enhanced by the algorithm.

Keywordsdigital photogrammetry, image compression, resolution enhancement
ANZSRC Field of Research 2020401302. Geospatial information systems and geospatial data modelling
401304. Photogrammetry and remote sensing
Public Notes

Files associated with this item cannot be displayed due to copyright restrictions.

Byline AffiliationsUniversity of Queensland
University of Newcastle
Institution of OriginUniversity of Southern Queensland
Funding source
NHMRC
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