Mdakane, Lizwe WKleynhans, WaldoSchwegmann, Colin P2017-05-172017-05-172016-07Mdakane, L.W., Kleynhans, W. and Schwegmann, C.P. 2016. Using an active contour method to detect bilge dumps from SAR imagery. 2016 IEEE International Conference on Geoscience and Remote Sensing Symposium (IGARSS), 10-15 July, Beijing, China. DOI: 10.1109/IGARSS.2016.77303082153-7003http://ieeexplore.ieee.org/document/7730308/DOI: 10.1109/IGARSS.2016.7730308http://hdl.handle.net/10204/9095Copyright: IEEE. Due to copyright restrictions, the attached PDF file only contains the abstract of the full text item. For access to the full text item, please consult the publisher's website.An automatic approach to detect bilge dumping in synthetic aperture radar (SAR) images over Southern African oceans is proposed. The approach uses a threshold-based algorithm and a region-based active contour model (ACM) algorithm to achieve an efficient bilge dump detection tool. A threshold method was used to detect areas with a high bilge dump probability while the ACM method is used to get closed contours of potential bilge dumps. A discrimination step was implemented to detect linear features as potential bilge dump events. The automated approach was investigated using SENTINEL-1A and ENVISAT Advanced Synthetic Aperture Radar (ASAR) where the proposed approach showed promising results.enBilge dumpingSynthetic aperture radarSARRemote SensingConference PresentationMdakane, L. W., Kleynhans, W., & Schwegmann, C. P. (2016). Using an active contour method to detect bilge dumps from SAR imagery. IEEE. http://hdl.handle.net/10204/9095Mdakane, Lizwe W, Waldo Kleynhans, and Colin P Schwegmann. "Using an active contour method to detect bilge dumps from SAR imagery." (2016): http://hdl.handle.net/10204/9095Mdakane LW, Kleynhans W, Schwegmann CP, Using an active contour method to detect bilge dumps from SAR imagery; IEEE; 2016. http://hdl.handle.net/10204/9095 .TY - Conference Presentation AU - Mdakane, Lizwe W AU - Kleynhans, Waldo AU - Schwegmann, Colin P AB - An automatic approach to detect bilge dumping in synthetic aperture radar (SAR) images over Southern African oceans is proposed. The approach uses a threshold-based algorithm and a region-based active contour model (ACM) algorithm to achieve an efficient bilge dump detection tool. A threshold method was used to detect areas with a high bilge dump probability while the ACM method is used to get closed contours of potential bilge dumps. A discrimination step was implemented to detect linear features as potential bilge dump events. The automated approach was investigated using SENTINEL-1A and ENVISAT Advanced Synthetic Aperture Radar (ASAR) where the proposed approach showed promising results. DA - 2016-07 DB - ResearchSpace DP - CSIR KW - Bilge dumping KW - Synthetic aperture radar KW - SAR KW - Remote Sensing LK - https://researchspace.csir.co.za PY - 2016 SM - 2153-7003 T1 - Using an active contour method to detect bilge dumps from SAR imagery TI - Using an active contour method to detect bilge dumps from SAR imagery UR - http://hdl.handle.net/10204/9095 ER -