IEEE Trans Image Process - Geodesics-based image registration: applications to biological and medical images depicting concentric ring patterns.

Tópicos

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{ method(1557) propos(1049) approach(1037) }
{ imag(1057) registr(996) error(939) }
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Resumo

In many biological or medical applications, images that contain sequences of shapes are common. The existence of high inter-individual variability makes their interpretation complex. In this paper, we address the computer-assisted interpretation of such images and we investigate how we can remove or reduce these image variabilities. The proposed approach relies on the development of an efficient image registration technique. We first show the inadequacy of state-of-the-art intensity-based and feature-based registration techniques for the considered image datasets. Then, we propose a robust variational method which benefits from the geometrical information present in this type of images. In the proposed non-rigid geodesics-based registration, the successive shapes are represented by a level-set representation, which we rely on to carry out the registration. The successive level sets are regarded as elements in a shape space and the corresponding matching is that of the optimal geodesic path. The proposed registration scheme is tested on synthetic and real images. The comparison against results of state-of-the-art methods proves the relevance of the proposed method for this type of images.

Resumo Limpo

mani biolog medic applic imag contain sequenc shape common exist high interindividu variabl make interpret complex paper address computerassist interpret imag investig can remov reduc imag variabl propos approach reli develop effici imag registr techniqu first show inadequaci stateoftheart intensitybas featurebas registr techniqu consid imag dataset propos robust variat method benefit geometr inform present type imag propos nonrigid geodesicsbas registr success shape repres levelset represent reli carri registr success level set regard element shape space correspond match optim geodes path propos registr scheme test synthet real imag comparison result stateoftheart method prove relev propos method type imag

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