2019 | OriginalPaper | Buchkapitel
Automatic Classification and Retrieval of Brain Hemorrhages
verfasst von : Hau Lee Tong, Mohammad Faizal Ahmad Fauzi, Su Cheng Haw, Hu Ng, Timothy Tzen Vun Yap
Erschienen in: Computational Science and Technology
Verlag: Springer Singapore
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In this work, Computed Tomography (CT) brain images are adopted for the annotation of different types of hemorrhages. The ultimate objective is to devise the semantics-based retrieval system for retrieving the images based on the different keywords. The adopted keywords are hemorrhagic slices, intraaxial, subdural and extradural slices. The proposed approach is consisted of three separated annotation processes are proposed which are annotation of hemorrhagic slices, annotation of intra-axial and annotation of subdural and extradural. The dataset with 519 CT images is obtained from two collaborating hospitals. For the classification, support vector machine (SVM) with radial basis function (RBF) kernel is considered. On overall, the classification results from each experiment achieved precision and recall of more than 79%. After the classification, the images will be annotated with the classified keywords together with the obtained decision values. During the retrieval, the relevant images will be retrieved and ranked correspondingly according to the decision values.