一种基于反向视角绘图的方法,用于生成管道内部表面的全景图像
Sung Sic Yoo1, Heung-Shik Lee1
1Department of Smart Mobility Engineering, Joongbu University, 305 Dongheon-ro, Deogyang-gu, Goyang-si 21713, Gyeonggi-do, Republic of Korea.
Sensors (Basel, Switzerland)
|July 8, 2023
概括
本研究介绍了一种使用逆视角映射 (IPM) 创建全景管道图像用于裂检测的算法. 该方法可以在没有专门设备的情况下生成详细的内部管道表面视图,帮助视觉检查.
科学领域:
- 计算机视觉 计算机视觉
- 图像处理 图像处理
- 非破坏性测试是指非破坏性测试.
背景情况:
- 管道检查对于基础设施完整性至关重要.
- 目前用于内部管道裂检测的方法可能昂贵或低效.
- 从内部管道图像中生成全面的表面数据具有挑战性.
研究的目的:
- 开发一种算法,用于生成管道内部表面的全景图像.
- 在没有高性能设备的情况下实现高效的裂检测.
- 为了创建整个内部管道表面的详细视觉表示.
主要方法:
- 使用反向视角映射 (IPM) 将正面图像转换为内部表面视图.
- 推导出一个通用的IPM公式,计算图像平面的斜率和消失点.
- 采用光流技术来检测失踪点以纠正扭曲.
- 应用图像拼接,将多个转换的图像组合成一个无的全景.
主要成果:
- 成功生成管道内部表面的全景图像.
- 算法准确地表示了裂的位置和形状.
- 验证了使用3D管道模型检测裂的方法.
结论:
- 提出的基于IPM的算法有效地创建全景管道图像用于裂检测.
- 这种技术为内部管道检查提供了具有成本效益的解决方案.
- 生成的全景视图增强了基于视觉和图像处理的裂纹分析的潜力.
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