Combined Feature-Tracking and Pattern-Matching Algorithm for Sea-Ice Drift Detection

Junkai Wang; Xiaoqi Lü; Ming Zhang; Jing Li; Xianjing Meng; Genwang Liu

doi:10.3788/LOP56.161005

Laser & Optoelectronics Progress, Volume. 56, Issue 16, 161005(2019)

Combined Feature-Tracking and Pattern-Matching Algorithm for Sea-Ice Drift Detection

Junkai Wang¹, Xiaoqi Lü^1,2、*, Ming Zhang¹, Jing Li¹, Xianjing Meng¹, and Genwang Liu³

¹ Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia 0 14010, China

² Inner Mongolia University of Technology, Hohhot, Inner Mongolia 0 10051, China

³ First Institute of Oceanography, Ministry of Natural Resources, Qingdao, Shandong 266061, China

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Figures & Tables(9)

Fig. 1. Geographic information map

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Fig. 2. Flow chart

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Fig. 3. Diagram of algorithm

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Fig. 4. Sea-ice drift vectors

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Fig. 5. Scatter diagrams of sea-ice drift speed. (a) SIFT; (b) SIFT+MCC

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Fig. 6. Box charts of vector distance. (a) HH polarization; (b) HV polarization

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Fig. 7. Spatial density diagrams. (a)(b) HH polarization; (c)(d) HV polarization

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Table 1. Satellite data sheet
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Table 1. Satellite data sheet
Satellite Imaging time Latitude Longitude Polarisation Incident angle /(°)
Sentinel-1 2017-10-10T17:11:42 From 79°03'N to 81°76'N From 119°71'W to 134°42'W HH+HV 19.14 to 46.38

Table 2. Buoy information
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Table 2. Buoy information
Buoy ID Start time End time Longitude andlatitude (start) Longitude andlatitude (end) Velocity of buoy /(m·s^-1)
900108 2017-10-10T17:00:00 2017-10-12T17:00:00 80°91'N,136°16'W 80°79'N,136°45'W 0.0833

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Junkai Wang, Xiaoqi Lü, Ming Zhang, Jing Li, Xianjing Meng, Genwang Liu. Combined Feature-Tracking and Pattern-Matching Algorithm for Sea-Ice Drift Detection[J]. Laser & Optoelectronics Progress, 2019, 56(16): 161005

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