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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Schmidt, M. Levner, I. Greiner, R. Murtha, A. Bistritz, A. |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Comput. Sci., Alberta Univ., Edmonton, Alta., Canada (Schmidt, M.; Levner, I.; Greiner, R.) |
| Abstract | Detecting and segmenting brain tumors in magnetic resonance images (MRI) is an important but time-consuming task performed by medical experts. Automating this process is a challenging task due to the often high degree of intensity and textural similarity between normal areas and tumor areas. Several recent projects have explored ways to use an aligned spatial 'template' image to incorporate spatial anatomic information about the brain, but it is not obvious what types of aligned information should be used. This work quantitatively evaluates the performance of 4 different types of alignment-based (AB) features encoding spatial anatomic information for use in supervised pixel classification. This is the first work to (1) compare several types of AB features, (2) explore ways to combine different types of AB features, and (3) explore combining AB features with textural features in a learning framework. We considered situations where existing methods perform poorly, and found that combining textural and AB features allows a substantial performance increase, achieving segmentations that very closely resemble expert annotations. |
| File Size | 677628 |
| File Format | |
| ISBN | 0769524958 |
| DOI | 10.1109/ICMLA.2005.56 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-12-15 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Image segmentation Magnetic resonance imaging Biomedical applications of radiation Machine learning Systems engineering and theory Hardware Labeling Neoplasms Pixel Biomedical imaging |
| Content Type | Text |
| Resource Type | Article |
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