Abstract
Magnetic resonance imaging (MRI) is a widely used imaging modality to extract tumour regions to assist in radiotherapy and surgery planning. Extraction of a tongue base tumour from MRI is challenging due to variability in its shape, size, intensities and fuzzy boundaries. This paper presents a new automatic algorithm that is shown to be able to extract tongue base tumour from gadolinium-enhanced T1-weighted (T1+Gd) MRI slices. In this algorithm, knowledge of tumour location is added to the objective function of standard fuzzy c-means (FCM) to extract the tumour region. Experimental results on 9 real MRI slices demonstrate that there is good agreement between manual and automatic extraction results with dice similarity coefficient (DSC) of 0.77±0.08.
Original language | English |
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Title of host publication | 2014 Proceedings of the 22nd European Signal Processing Conference (EUSIPCO) |
Publisher | IEEE |
Pages | 2460 - 2464 |
Number of pages | 5 |
ISBN (Print) | 9780992862619 |
Publication status | Published - 5 Sept 2014 |
Event | 22nd European Signal Processing Conference - Lisbon Congress Centre, Lisbon, Portugal Duration: 1 Sept 2014 → 5 Sept 2014 Conference number: 2014 |
Conference
Conference | 22nd European Signal Processing Conference |
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Abbreviated title | EUSIPCO |
Country/Territory | Portugal |
City | Lisbon |
Period | 1/09/14 → 5/09/14 |
Keywords
- Hessian analysis
- MRI
- automatic tumour extraction
- fuzzy c-means
- throat detection
- magnetic resonance imaging
- image segmentation
- clustering algorithms