用内窥镜视频生成全景图，高效还原管道内壁细节
A Reconstruction System for Industrial Pipeline Inner Walls Using Panoramic Image Stitching with Endoscopic Imaging
- 通过极坐标变换与图像拼接，将环形视频展开为平面全景图
- 生成的全景图完整保留管道内壁所有细节特征
- 适合工业管道缺陷检测与状态评估，提升检测效率
工业管道内壁的视觉分析与重建在实际检测中仍具挑战。本文提出一种基于内窥镜视频的专用重建系统，利用全景图像拼接技术实现管道内壁的可视化重构。系统配备自定义图形界面（GUI），从内窥镜视频中提取关键帧，结合极坐标变换与图像拼接方法，将管道内壁的环形视频帧转化为平面全景图像。实验结果表明，该方法可高效处理工业内窥镜视频，生成的全景拼接图像完整保留了管道内壁的所有细节特征，为缺陷检测与状态评估提供了直观、准确的视觉支持。相比传统逐帧视频回放方式，本方法显著提升了管道内壁重建效率，具有显著的工程应用价值。
原文摘要 · Abstract (English)
Visual analysis and reconstruction of pipeline inner walls remain challenging in industrial inspection scenarios. This paper presents a dedicated reconstruction system for pipeline inner walls via industrial endoscopes, which is built on panoramic image stitching technology. Equipped with a custom graphical user interface (GUI), the system extracts key frames from endoscope video footage, and integrates polar coordinate transformation with image stitching techniques to unwrap annular video frames of pipeline inner walls into planar panoramic images. Experimental results demonstrate that the proposed method enables efficient processing of industrial endoscope videos, and the generated panoramic stitched images preserve all detailed features of pipeline inner walls in their entirety. This provides intuitive and accurate visual support for defect detection and condition assessment of pipeline inner walls. In comparison with the traditional frame-by-frame video review method, the proposed approach significantly elevates the efficiency of pipeline inner wall reconstruction and exhibits considerable engineering application value.
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