Quality evaluation of SAR edge detection

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (5): 10-12.

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Quality evaluation of SAR edge detection

YANG Zhaohui

School of Environmental Science and Engineering，Suzhou University of Science and Technology，Suzhou，Jiangsu 215011，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-02-11 Published:2011-02-11

SAR影像边缘检测质量评估方法

杨朝辉

苏州科技学院环境科学与工程学院，江苏苏州 215011

Abstract

Abstract: A method for quality evaluation of SAR edge detection is proposed，which needs no standard edge reference.Firstly，test edge results are extracted by ROA and Tupin algorithms from SAR image.Then，indices of direction consistency and edge form are computed in evaluation windows.Finally，evaluation score is obtained by combining above two indices.The experimental results show that the method’s result is consonant with result of manual interpretation and subjective judgment.This method possesses high automation，objective result and practical implementation.

Key words: Synthetic Aperture Radar（SAR）, edge detection, quality evaluation

摘要： 针对SAR影像边缘检测结果，提出了一种定量的质量评估方法。该方法不需要边缘基准图等先验知识，而是通过计算评估窗口内边缘点的方向一致性指标与边缘形态指标，并将其组合得到最终的评估得分值。初步的实验结果表明，方法对SAR边缘检测的评估结果与人工判读的结果比较接近，与边缘质量评估的主观判断结论相吻合。该方法自动化程度高，评价结果客观合理，有较强的工程应用性。

关键词: 合成孔径雷达, 边缘检测, 质量评估

YANG Zhaohui. Quality evaluation of SAR edge detection[J]. Computer Engineering and Applications, 2011, 47(5): 10-12.

杨朝辉. SAR影像边缘检测质量评估方法[J]. 计算机工程与应用, 2011, 47(5): 10-12.

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Quality evaluation of SAR edge detection

SAR影像边缘检测质量评估方法

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