Automated method for tracing shorelines in L-band SAR images

被引：0

作者：

Asaka, Tomohito ^{[1
]}

Yamamoto, Yoshiyuki ^{[2
]}

Aoyama, Sadayoshi ^{[1
]}

Iwashita, Keishi ^{[1
]}

Kudou, Katsuteru ^{[1
]}

机构：

[1] Nihon Univ, Coll Ind Technol, 1-2-1 Izumi, Narashino, Chiba 2758575, Japan

[2] Aichi Inst Technol, Fac Engn, Dept Urban Environm, Aichi 4700392, Japan

来源：

CONFERENCE PROCEEDINGS OF 2013 ASIA-PACIFIC CONFERENCE ON SYNTHETIC APERTURE RADAR (APSAR) | 2013年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Satellite-based optical imagery has been widely used to evaluate coastal erosion. However, it is difficult to define shoreline edges because the sand under seawater near the shoreline can often be seen in clear water in optical images. Synthetic aperture radar (SAR) images have the potential to be used to interpret the boundary between a sandy beach and seawater because of the unique characteristic of SAR image acquisition. The purpose of the present study is to propose an automated method for tracing shorelines in L-band SAR images. The automated method for tracing shorelines has three steps: 1) detection of shoreline edge detection; 2) masking of unwanted edges; and 3) automated shoreline tracing. To demonstrate the performance of the proposed algorithm a simulated shoreline was obtained from candidate shoreline edge pixels of ALOS/PALSAR amplitude imagery. Results demonstrate that the proposed algorithm can simulate shorelines with a high degree of accuracy while candidate shoreline edge pixels remain nearly unaffected by noise in L-band SAR images.

引用

页码：325 / 328

页数：4

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