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提出了基于自动化测试技术与计算机视觉技术的原木检尺新方法,设计、研制了相应的自动化检尺系统。工控机控制高分辨率的工业CCD数字成像单元对一手原木端面成像,并把图像数据传输到工控机。基于目前施行的国家标准,结合待识别对象的特点,设计、开发了相应的图像处理和识别软件。图像识别结果经必要的人工交互处理后按照国家标准进行计算,其结果存入专用数据库。数据库对自动化检尺过程与结果进行管理和监督。实测结果表明,自动化检尺系统的检尺方法符合国家标准,检尺结果稳定、可靠,检测误差小于1%。
A new method of log inspection based on automated testing technology and computer vision technology was put forward. Corresponding automatic measuring system was designed and developed. IPC control of high-resolution industrial CCD digital imaging unit of primary wood end face imaging, and the image data transmission to the IPC. Based on the current national standards, combined with the characteristics of the object to be identified, the design and development of the corresponding image processing and recognition software. The image recognition results are processed according to national standards after the necessary artificial interaction is processed, and the results are stored in a dedicated database. The database manages and oversees the automated tape inspection process and results. The measured results show that the automatic ruler system ruler method in line with national standards, ruler results are stable and reliable, the detection error is less than 1%.