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    Conference Paper on Non-Rigid Registration (NRR) Validation
    Posted on Wednesday, January 11 @ 03:53:04 GMT by admin

    Papers and References Our paper to ISBI 2006 has just been accepted and it is available on-line as well: Abstract: E compare two methods for assessing the performance of groupwise non-rigid registration algorithms. One approach, which has been described previously, utilizes a measure of overlap between data labels. Our new approach exploits the fact that, given a set of non-rigidly registered images, a generative statistical appearance model can be constructed. We observe that the quality of the model depends on the quality of the registration, and can be evaluated by comparing synthetic images sampled from the model with the original image set. We derive indices of model specificity and generalisation that can be used to assess model/registration quality. We show that both approaches detect the loss of registration as a set of correctly registered MR images of the brain is progressively perturbed. We compare the sensitivities of the different methods and show that, as well as requiring no ground truth, our new specificity measure provides the most sensitive approach to detecting misregistration.

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    Old Articles
    Wednesday, October 19
    · Registration Assessment Without Ground Truth Proven Most Sensitive
    Thursday, September 15
    · Registration Without Ground-Truth Solution - Proof of Concept/Empirical Evidence
    Friday, September 02
    · FTP Access or a ZIP Archive
    Wednesday, August 24
    · Registration: Tanimoto Overlap and Model-based Evaluation
    Thursday, August 18
    · Specificity, Generalisation and Registration
    Monday, July 25
    · Placing Labels at Strong Edges
    Tuesday, July 19
    · Model Construction and Registration in Medical Imaging
    Thursday, July 14
    · Euclidean Image Distance
    Thursday, July 07
    · Evaluation of Appearance Models
    Tuesday, July 05
    · Parallel Work
    Monday, July 04
    · Label Propagation
    Sunday, July 03
    · Segmentation Propagation from Model
    Friday, July 01
    · Segmentation in Relation to Models and NRR
    · Mean of Squared Differences (MSD) Unstable at Registration
    Thursday, June 30
    · 3-D Surface Visualisation
    · Migration of Code
    · MIAS-IRC and MARS
    Wednesday, June 29
    · Simultaneous Segmentation, Registration and Models
    · Migration from AART to MARS

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