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Robust Optical Flow Estimation in Cardiac Ultrasound Images Using a Sparse Representation
- Source :
- IEEE Transactions on Medical Imaging, IEEE Transactions on Medical Imaging, Institute of Electrical and Electronics Engineers, 2019, 38 (3), pp.741-752. ⟨10.1109/TMI.2018.2870947⟩
- Publication Year :
- 2019
- Publisher :
- HAL CCSD, 2019.
-
Abstract
- International audience; This paper introduces a robust 2-D cardiac motion estimation method. The problem is formulated as an energy minimization with an optical flow-based data fidelity term and two regularization terms imposing spa- tial smoothness and the sparsity of the motion field in an appropriate cardiac motion dictionary. Robustness to outliers, such as imaging artefacts and anatomical motion boundaries, is introduced using robust weighting functions for the data fidelity term as well as for the spatial and sparse regularizations. The motion fields and the weights are com- puted jointly using an iteratively re-weighted minimization strategy. The proposed robust approach is evaluated on syn- thetic data and realistic simulation sequences with available ground-truth by comparing the performance with state-of- the-art algorithms. Finally, the proposed method is validated using two sequences of in vivo images. The obtained results show the interest of the proposed approach for 2-D cardiac ultrasound imaging.
- Subjects :
- Computer science
Optical flow
ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION
Image processing
Regularization (mathematics)
030218 nuclear medicine & medical imaging
03 medical and health sciences
0302 clinical medicine
Robustness (computer science)
Motion estimation
Image Interpretation, Computer-Assisted
Image Processing, Computer-Assisted
Sparse regularization
[INFO.INFO-IM]Computer Science [cs]/Medical Imaging
Humans
Computer Simulation
Electrical and Electronic Engineering
Ultrasonography
Imagerie médicale
Robust motion estimation
Radiological and Ultrasound Technology
Reproducibility of Results
Heart
Dictionary learning
Sparse approximation
Vision par ordinateur et reconnaissance de formes
Informatique
Echocardiography, Doppler
Apprentissage
Computer Science Applications
Weighting
Optical flow estimation
Motion field
Robust motion estima-tion
Echocardiography
Cardiac ultrasound
Artifacts
Algorithm
Algorithms
Software
Subjects
Details
- Language :
- English
- ISSN :
- 02780062
- Database :
- OpenAIRE
- Journal :
- IEEE Transactions on Medical Imaging, IEEE Transactions on Medical Imaging, Institute of Electrical and Electronics Engineers, 2019, 38 (3), pp.741-752. ⟨10.1109/TMI.2018.2870947⟩
- Accession number :
- edsair.doi.dedup.....8fa2807010b9d3bf6d131f804dc048ec