INTRA-PATIENT REGISTRATION METHODS FOR THORACIC CT EXAMS

José Silvestre Silva, João Cancela, Luísa Teixeira

2009

Abstract

Now-a-days CT scanners provide detailed morphological information of pulmonary structures, with great importance to the diagnostic and follow-up of oncological diseases. When a patient with lung cancer is submitted to several CT exams during a period of time; these exams need an appropriate registration to quantify or visualize the tumour’s evolution. We propose a new method for 3D intra-patient registration of thoracic CT exams and compare its results with several 3D registration methods. The performance of these registration methods is analysed, computing several normalized figures of merit; we also explore these metrics to check which is more sensible to changes in CT exams due to the presence of lung tumours. The results with several cases of intra-patient, intra-modality registration show that the proposed method provides an accurate registration which is needed for the quantitative tracking of lesions that may effectively assist the follow-up process of oncological patients.

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Paper Citation


in Harvard Style

Silvestre Silva J., Cancela J. and Teixeira L. (2009). INTRA-PATIENT REGISTRATION METHODS FOR THORACIC CT EXAMS . In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2009) ISBN 978-989-8111-65-4, pages 285-290. DOI: 10.5220/0001538002850290


in Bibtex Style

@conference{biosignals09,
author={José Silvestre Silva and João Cancela and Luísa Teixeira},
title={INTRA-PATIENT REGISTRATION METHODS FOR THORACIC CT EXAMS },
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2009)},
year={2009},
pages={285-290},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001538002850290},
isbn={978-989-8111-65-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2009)
TI - INTRA-PATIENT REGISTRATION METHODS FOR THORACIC CT EXAMS
SN - 978-989-8111-65-4
AU - Silvestre Silva J.
AU - Cancela J.
AU - Teixeira L.
PY - 2009
SP - 285
EP - 290
DO - 10.5220/0001538002850290