基于EmguCV的红外图像海天线提取算法研究 |
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引用本文: | 黄攀,木锐,钟建波,贾钰超,王彩萍,罗宏,罗永芳,夏青松,李洪兵,汪兴. 基于EmguCV的红外图像海天线提取算法研究[J]. 红外技术, 2020, 42(11): 1048-1052 |
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作者姓名: | 黄攀 木锐 钟建波 贾钰超 王彩萍 罗宏 罗永芳 夏青松 李洪兵 汪兴 |
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作者单位: | 云南北方驰宏光电有限公司,云南 昆明 650217 |
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摘 要: | 本文基于海天背景目标提取技术的研究,给出一种实用的海天线提取算法。首先,采用空域滤波消除弱小船只目标和近域海浪杂碎波的干扰,对降噪后的红外图像进行形态学梯度运算,采用Ostu阈值分割方法,获取海天线边缘轮廓,然后利用Hough直线检测算法,获取海天线待拟合点数组,最后利用最小二乘法拟合海天线。实验结果表明,本算法能够准确、快速地提取海天线,为海上目标的快速探测跟踪奠定基础,对红外搜救设备进行海上目标探测跟踪具有重要意义。
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关 键 词: | 红外图像 海天线 形态学梯度 Hough变换 |
收稿时间: | 2019-04-22 |
Sea-Skyline Extraction Algorithm Based on EmguCV with Infrared Images |
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Affiliation: | Yunnan KIRO-CH Photonics Co. Ltd, Kunming 650217, China |
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Abstract: | Sea-skyline extraction is an important research subject in the development of infrared search-and-rescue equipment for offshore target detection and tracking. This study investigates sea-sky background target-extraction technology and develops a practical sea–skyline extraction algorithm. First, this work uses spatial filtering to eliminate the interference of a small-vessel target and near-domain sea clutter; it then performs a morphological gradient operation, obtains the edge contour of the sea–skyline using the Ostu threshold-segmentation method, obtains a point group using the Hough transform, and extracts the sea-skyline using the least square method. The experimental results show that the algorithm can accurately and quickly extract the sea-skyline. This study provides a foundation for the rapid detection and tracking of offshore targets. |
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