Endocardial border detection in cardiac magnetic resonance images using level set method.
Identifieur interne : 000687 ( PubMed/Curation ); précédent : 000686; suivant : 000688Endocardial border detection in cardiac magnetic resonance images using level set method.
Auteurs : Mohammed Ammar [Algérie] ; Saïd Mahmoudi ; Mohammed Amine Chikh ; Amine AbbouSource :
- Journal of digital imaging [ 1618-727X ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- anatomie et histologie : Endocarde, Ventricules cardiaques.
- méthodes : Amélioration d'image, Imagerie par résonance magnétique, Reconnaissance automatique des formes.
- Algorithmes, Humains.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Endocardium, Heart Ventricles.
- methods : Image Enhancement, Magnetic Resonance Imaging, Pattern Recognition, Automated.
- Algorithms, Humans.
Abstract
Segmentation of the left ventricle in MRI images is a task with important diagnostic power. Currently, the evaluation of cardiac function involves the global measurement of volumes and ejection fraction. This evaluation requires the segmentation of the left ventricle contour. In this paper, we propose a new method for automatic detection of the endocardial border in cardiac magnetic resonance images, by using a level set segmentation-based approach. To initialize this level set segmentation algorithm, we propose to threshold the original image and to use the binary image obtained as initial mask for the level set segmentation method. For the localization of the left ventricular cavity, used to pose the initial binary mask, we propose an automatic approach to detect this spatial position by the evaluation of a metric indicating object's roundness. The segmentation process starts by the initialization of the level set algorithm and ended up through a level set segmentation. The validation process is achieved by comparing the segmentation results, obtained by the automated proposed segmentation process, to manual contours traced by tow experts. The database used was containing one automated and two manual segmentations for each sequence of images. This comparison showed good results with an overall average similarity area of 97.89%.
DOI: 10.1007/s10278-011-9404-z
PubMed: 21773869
PubMed Central: PMC3295969
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Currently, the evaluation of cardiac function involves the global measurement of volumes and ejection fraction. This evaluation requires the segmentation of the left ventricle contour. In this paper, we propose a new method for automatic detection of the endocardial border in cardiac magnetic resonance images, by using a level set segmentation-based approach. To initialize this level set segmentation algorithm, we propose to threshold the original image and to use the binary image obtained as initial mask for the level set segmentation method. For the localization of the left ventricular cavity, used to pose the initial binary mask, we propose an automatic approach to detect this spatial position by the evaluation of a metric indicating object's roundness. The segmentation process starts by the initialization of the level set algorithm and ended up through a level set segmentation. The validation process is achieved by comparing the segmentation results, obtained by the automated proposed segmentation process, to manual contours traced by tow experts. The database used was containing one automated and two manual segmentations for each sequence of images. This comparison showed good results with an overall average similarity area of 97.89%.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21773869</PMID><DateCompleted><Year>2012</Year><Month>07</Month><Day>19</Day></DateCompleted><DateRevised><Year>2019</Year><Month>12</Month><Day>10</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1618-727X</ISSN><JournalIssue CitedMedium="Internet"><Volume>25</Volume><Issue>2</Issue><PubDate><Year>2012</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Journal of digital imaging</Title><ISOAbbreviation>J Digit Imaging</ISOAbbreviation></Journal><ArticleTitle>Endocardial border detection in cardiac magnetic resonance images using level set method.</ArticleTitle><Pagination><MedlinePgn>294-306</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s10278-011-9404-z</ELocationID><Abstract><AbstractText>Segmentation of the left ventricle in MRI images is a task with important diagnostic power. Currently, the evaluation of cardiac function involves the global measurement of volumes and ejection fraction. This evaluation requires the segmentation of the left ventricle contour. In this paper, we propose a new method for automatic detection of the endocardial border in cardiac magnetic resonance images, by using a level set segmentation-based approach. To initialize this level set segmentation algorithm, we propose to threshold the original image and to use the binary image obtained as initial mask for the level set segmentation method. For the localization of the left ventricular cavity, used to pose the initial binary mask, we propose an automatic approach to detect this spatial position by the evaluation of a metric indicating object's roundness. The segmentation process starts by the initialization of the level set algorithm and ended up through a level set segmentation. The validation process is achieved by comparing the segmentation results, obtained by the automated proposed segmentation process, to manual contours traced by tow experts. The database used was containing one automated and two manual segmentations for each sequence of images. 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