## The geometry of time-varying cross-correlation random fields

- Felix Carbonell, Keith J. Worsley, Nelson J. Trujillo-Barreto, M. Vega-Hernandez
- Computational Statistics & Data Analysis
- 2009

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@inproceedings{Cao1999TheDO, title={The detection of local shape changes via the geometry of Hotelling's \$T^2\$ fields}, author={Jin Cao and Keith J. Worsley}, year={1999} }

- Published 1999
DOI:10.1214/aos/1018031263

This paper is motivated by the problem of detecting local changes or differences in shape between two samples of objects via the non-linear deformations required to map each object to an atlas standard. Local shape changes are then detected by high values of the random field of Hotelling’s T 2 statistics for detecting a change in mean of the vector deformations at each point in the object. To control the null probability of detecting a local shape change, we use the recent result of Adler (1998… CONTINUE READING

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