High-pressure oil pipe surface and internal defect integrated intelligent detection system based on machine vision
By simultaneously acquiring and unfolding texture processing, combined with eddy current testing and ultrasonic thickness measurement, coaxial correlation identification and accurate verification of defects on the inner and outer walls of high-pressure oil pipes were achieved. This solved the problems of false detection, missed detection and low verification efficiency in existing technologies, and improved the reliability of the test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Filing Date
- 2026-05-12
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies are insufficient for the coaxial correlation identification and accurate verification of defects on the inner and outer walls of high-pressure oil pipes, and suffer from problems such as false detection, missed detection, and low verification efficiency.
The clamping acquisition module synchronously acquires images of the inner and outer walls of the high-pressure oil pipe. The unfolding texture module performs brightness equalization and directional texture extraction. Combined with the trajectory registration module, defect segments are generated. The fixed-point verification module is used for eddy current testing, ultrasonic thickness measurement, and penetrant imaging to achieve coaxial correlation identification and accurate verification of defects on the inner and outer walls.
It enables continuous correlation judgment of defects on the inner and outer walls of high-pressure oil pipes, reduces the risk of misidentification of machining textures, and improves the efficiency of verification and the reliability of detection results.
Smart Images

Figure CN122409503A_ABST