Digital analysis of rotated images

The problem of estimating the relative rotations of two images taken from the same scene is considered, and a numerical method for computing such rotations is presented. The main features of the proposed method consist of the possibility of fast in-place computations with no preliminary interpolatio...

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Bibliographic Details
Published inIEEE transactions on pattern analysis and machine intelligence Vol. 15; no. 5; pp. 499 - 504
Main Author Alliney, S.
Format Journal Article
LanguageEnglish
Published Los Alamitos, CA IEEE 01.05.1993
IEEE Computer Society
Subjects
Applied sciences
Artificial intelligence
Biomedical computing
Computer science; control theory; systems
Correlation
Density functional theory
Exact sciences and technology
Image analysis
Image motion analysis
Image registration
Interpolation
Layout
Least squares approximation
Motion estimation
Pattern recognition. Digital image processing. Computational geometry
Image processing
Motion estimation
Image analysis
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ISSN0162-8828
DOI10.1109/34.211470

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Summary:The problem of estimating the relative rotations of two images taken from the same scene is considered, and a numerical method for computing such rotations is presented. The main features of the proposed method consist of the possibility of fast in-place computations with no preliminary interpolation of the data and a considerable precision for moderate rotation angles. The final estimate is performed with a least square criterion, but in the present case, even such computations can be substantially simplified. A detailed analysis shows that for practical applications, the influence of discretization errors does not affect, in a relevant way, the precision of the results; that is also confirmed by numerical experiments.< >
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ISSN:0162-8828
DOI:10.1109/34.211470