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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wei He Liyuan Zhang Huamin Yang Zhengang Jiang Weili Shi Yu Miao Fei He Fei Yan Huimao Zhang |
| Copyright Year | 2015 |
| Description | Author affiliation: First Hosp., Jilin Univ., Changchun, China (Huimao Zhang) || Sch. of Comput. Sci. & Technol., Changchun Univ. of Sci. & Technol., Changchun, China (Wei He; Liyuan Zhang; Huamin Yang; Zhengang Jiang; Weili Shi; Yu Miao; Fei He; Fei Yan) |
| Abstract | In this study, a new active contour model based on local region information is proposed to segment colon tissue in CT image. Due to the large amount data of three-dimensional abdominal CT medical image and heterogeneous intensity regions, the traditional active contour models cannot get the ideal result. They usually have the sensitive limitations on the image noise and initialization. Therefore, the local statistical information of object and background has been used in this paper. After redefining the global energy function, a better segmentation result of the heterogeneous intensity images can be realized. The key point is that the initialization contour of colon can be automatically obtained and a signed distance function constraint item has been added into energy function. This model can extract the colon tissue accurately and avoid the evolution process to initialize repeatedly. The experimental results show that the proposed algorithm can apply to extract the colon tissue. Meanwhile, the segmentation accuracy can reach 94.5%. |
| Starting Page | 988 |
| Ending Page | 993 |
| File Size | 426182 |
| Page Count | 6 |
| File Format | |
| ISSN | 21579563 |
| e-ISBN | 9781467376792 |
| DOI | 10.1109/ICNC.2015.7378126 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-08-15 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Image segmentation Solid modeling Level set Computed tomography SDF colon segmentation energy functional active contours Colon Mathematical model local informaion Active contours |
| Content Type | Text |
| Resource Type | Article |
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