Segmentation and motion estimation applied to fetal heart analysis using a multi-texture active appearance model and an optical flow approach

Lorena Vargas-Quintero; Ernesto Moya-Albor; Boris Escalante-Ramírez; Lisbeth Camargo Marín; Mario Guzmán Huerta; Jorge Brieva

doi:10.1117/12.2512142

21 December 2018 Segmentation and motion estimation applied to fetal heart analysis using a multi-texture active appearance model and an optical flow approach

Lorena Vargas-Quintero, Ernesto Moya-Albor, Boris Escalante-Ramírez, Lisbeth Camargo Marín, Mario Guzmán Huerta, Jorge Brieva

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Proceedings Volume 10975, 14th International Symposium on Medical Information Processing and Analysis; 1097513 (2018) https://doi.org/10.1117/12.2512142
Event: 14th International Symposium on Medical Information Processing and Analysis, 2018, Mazatlán, Mexico

Abstract

In this work we present a combination of segmentation and motion estimation methods applied to left ventricle evaluation in fetal echocardiographic images which are used for prenatal diagnosis. In our proposed scheme, several features of the ultrasound images are computed and used for both algorithms. A multiresolution framework is employed for the segmentation and motion estimation tasks. The segmentation is achieved using a multi-texture active appearance model based on the Hermite transform. The analysis is performed using the appearance models provided by Hermite coefficients up to third order. The multiresolution approach allows to obtain a robust segmentation to extract the shape of the left ventricle. The obtained results in the segmentation step are used for the motion estimation algorithm. The left ventricle is the structure used for evaluation. The main goal is to determinate the heart movement of fetal heart which can be used for disease detection, characterization and further analysis. Results of the motion estimation process are analyzed and compared with other techniques applied to heart ultrasound data.

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Lorena Vargas-Quintero, Ernesto Moya-Albor, Boris Escalante-Ramírez, Lisbeth Camargo Marín, Mario Guzmán Huerta, and Jorge Brieva "Segmentation and motion estimation applied to fetal heart analysis using a multi-texture active appearance model and an optical flow approach ", Proc. SPIE 10975, 14th International Symposium on Medical Information Processing and Analysis, 1097513 (21 December 2018); https://doi.org/10.1117/12.2512142

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KEYWORDS

Motion estimation

Image segmentation

Fetus

Heart

Motion models

Ultrasonography

Optical flow

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