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Speckle reduction in echocardiography by temporal compounding and anisotropic diffusion filtering

dc.contributor.editorRomero E.
dc.contributor.editorLepore N.
dc.creatorGiraldo-Guzmán J.
dc.creatorPorto-Solano O.
dc.creatorCadena-Bonfanti A.
dc.creatorContreras-Ortiz S.H.
dc.identifier.citationProgress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 9287
dc.description.abstractEchocardiography is a medical imaging technique based on ultrasound signals that is used to evaluate heart anatomy and physiology. Echocardiographic images are affected by speckle, a type of multiplicative noise that obscures details of the structures, and reduces the overall image quality. This paper shows an approach to enhance echocardiography using two processing techniques: temporal compounding and anisotropic diffusion filtering. We used twenty echocardiographic videos that include one or three cardiac cycles to test the algorithms. Two images from each cycle were aligned in space and averaged to obtain the compound images. These images were then processed using anisotropic diffusion filters to further improve their quality. Resultant images were evaluated using quality metrics and visual assessment by two medical doctors. The average total improvement on signal-to-noise ratio was up to 100.29% for videos with three cycles, and up to 32.57% for videos with one cycle. © 2015 SPIE.eng
dc.description.sponsorshipPontificia Universidad Javeriana;Universidad Antonio Narino;Universidad de Cartagena;Universidad Nacional de Colombia
dc.format.mediumRecurso electrónico
dc.titleSpeckle reduction in echocardiography by temporal compounding and anisotropic diffusion filtering
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dc.source.event10th International Symposium on Medical Information Processing and Analysis
dc.subject.keywordsDiffusion filtering
dc.subject.keywordsTemporal compounding
dc.subject.keywordsImaging techniques
dc.subject.keywordsInformation science
dc.subject.keywordsOptical anisotropy
dc.subject.keywordsQuality control
dc.subject.keywordsSignal to noise ratio
dc.subject.keywordsUltrasonic applications
dc.subject.keywordsAnisotropic diffusion filtering
dc.subject.keywordsAnisotropic diffusion filters
dc.subject.keywordsDiffusion filtering
dc.subject.keywordsEchocardiographic images
dc.subject.keywordsMultiplicative noise
dc.subject.keywordsProcessing technique
dc.subject.keywordsUltrasound signal
dc.subject.keywordsVisual assessments
dc.subject.keywordsMedical imaging
dc.rights.ccAtribución-NoComercial 4.0 Internacional
dc.identifier.instnameUniversidad Tecnológica de Bolívar
dc.identifier.reponameRepositorio UTB
dc.relation.conferencedate14 October 2014 through 16 October 2014

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