Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/216
Title: | Detecting wide lines using isotropic nonlinear filtering | Authors: | Liu, L Zhang, DD You, J |
Issue Date: | Jun-2007 | Source: | IEEE transactions on image processing, June 2007, v. 16, no. 6, p.1584-1595 | Abstract: | Lines provide important information in images, and line detection is crucial in many applications. However, most of the existing algorithms focus only on the extraction of line positions, ignoring line thickness. This paper presents a novel wide line detector using an isotropic nonlinear filter. Unlike most existing edge and line detectors which use directional derivatives, our proposed wide line detector applies a nonlinear filter to extract a line completely without any derivative. The detector is based on the isotropic responses via circular masks. A general scheme for the analysis of the robustness of the proposed wide line detector is introduced and the dynamic selection of parameters is developed. In addition, this paper investigates the relationship between the size of circular masks and the width of detected lines. A sequence of tests has been conducted on a variety of image samples and our experimental results demonstrate the feasibility and effectiveness of the proposed method. | Keywords: | Curvilinear structures Feature extraction Isotropic nonlinear filter Line detection Wide line detector |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on image processing | ISSN: | 1057-7149 | EISSN: | 1941-0042 | DOI: | 10.1109/TIP.2007.894288 | Rights: | © 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
Appears in Collections: | Journal/Magazine Article |
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