Abstract
Motion estimation and correction is an important yet challenge problem in medical image analysis. This paper presents a new approach to estimate and correct motion artifacts in cardiac perfusion image sequences. The method uses a modified optical flow and block-matching technique to estimate the velocity vector between consecutive image frames. The displacement field of each image is corrected and deformed according a total velocity. This technique is applied to sequences of magnetic resonance myocardial perfusion images. Results from quantitative error measurement and time-intensity plots show improvements over original images after the use of this technique.
Original language | English |
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Pages (from-to) | 157-161 |
Number of pages | 5 |
Journal | IFAC Proceedings Volumes (IFAC-PapersOnline) |
Volume | 36 |
Issue number | 15 |
DOIs | |
Publication status | Published - 2003 Jan 1 |
Externally published | Yes |
Event | 5th IFAC Symposium on Modelling and Control in Biomedical Systems 2003 - Melbourne, Australia Duration: 2003 Aug 21 → 2003 Aug 23 |
Keywords
- Motion estimation
- Optical flows
- Registration
ASJC Scopus subject areas
- Control and Systems Engineering