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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xujiong Ye Noble, J.A. |
| Copyright Year | 2002 |
| Description | Author affiliation: Dept. of Eng. Sci., Oxford Univ., UK (Xujiong Ye; Noble, J.A.) |
| Abstract | In this paper, a high resolution segmentation method for MR images of mouse heart chambers is developed, in which the EM algorithm is adopted and extended to the spatio-temporal cardiac cycle, and a partial pixel effect (PPE) is accommodated so that the heart chambers boundary is detected to sub-pixel accuracy. The method has been tested on high and low spatial resolution images. Quantitative measurements of the left ventricle (LV) area-time curve over cardiac cycle are reported, which show that the accuracy of the LV area can be improved based on the new method, on low spatial resolution images. The average relative error of the area estimate of the new method applied to low resolution images relative to measurements on high resolution images is less than 8%. |
| Sponsorship | IEEE Signal Processing Soc |
| Starting Page | 257 |
| Ending Page | 260 |
| File Size | 235576 |
| Page Count | 4 |
| File Format | |
| ISBN | 078037584X |
| DOI | 10.1109/ISBI.2002.1029242 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-07-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Image resolution Image segmentation Mice Heart Spatial resolution Area measurement High-resolution imaging Pixel Testing Biomedical imaging |
| Content Type | Text |
| Resource Type | Article |
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