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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bessa, S. Domingues, I. Cardosos, J.S. Passarinho, P. Cardoso, P. Rodrigues, V. Lage, F. |
| Copyright Year | 2014 |
| Description | Author affiliation: Fac. de Eng., Univ. do Porto, Porto, Portugal (Bessa, S.; Domingues, I.; Cardosos, J.S.) || Liga Portuguesa Contra o Cancro, Portugal (Lage, F.) || Univ. de Coimbra, Coimbra, Portugal (Rodrigues, V.) |
| Abstract | Through the years, several CAD systems have been developed to help radiologists in the hard task of detecting signs of cancer in the numerous screening mammograms. A more recent trend includes the development of pre-CAD systems aiming at identifying normal mammograms instead of detecting suspicious ones. Normal breasts are screened-out from the process, leaving radiologists more time to focus on more difficult cases. In this work, a new approach for the identification of normal breasts is presented. Considering that even breasts with malignant findings are mostly constituted by normal tissue, the breast area is divided into blocks which are then compared pairwise. If all blocks are very similar, the breast is labelled as normal, and as suspicious otherwise. Features characterizing the pairwise block similarity and characterizing the intra-block pixel distribution are used to design a predictive method based on machine learning techniques. The proposed solution was applied on a real world screening setting composed by nearly 18000 mammograms. Results are similar to the more complex state of the art approaches by correctly identifying more than 20% of the normal mammograms. These results suggest the usefulness of the relative comparison instead of the absolute classification. When properly used, simple statistics can suffice to distinguish the clearly normal breasts. |
| Starting Page | 325 |
| Ending Page | 330 |
| File Size | 19502463 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479956692 |
| DOI | 10.1109/BIBM.2014.6999178 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-11-02 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Support vector machines Automation Databases Breast Muscles Feature extraction Cancer |
| Content Type | Text |
| Resource Type | Article |
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