基于视觉伺服的机器人辅助医用显示器可视角检测系统设计

Design of robot aided visual angle detection system for medical screen based on visual servo

文章针对当前医用显示器检测设备体积与质量较大,难以在医院环境开展现场校准工作这一问题,提出一种基于视觉伺服的机器人辅助医用显示器可视角检测系统设计。该系统由搭载工业相机与亮度计的机械臂来实现,工业相机通过识别显示于医用显示器中心位置的标靶,获取显示器的坐标信息,将显示器坐标转换至机器人坐标系下,亮度计随机械臂围绕显示器中心位置移动,检测显示器全白场与全黑场信号以测试医用显示器可视角度。经测试,该基于视觉伺服的机器人辅助医用显示器可视角检测系统能够按照要求完成医用显示器可视角检测任务。

In order to solve the problem that it is difficult to carry out on-site calibration in the hospital environment due to the large volume and mass of the current medical display detection equipment,a robot assisted visual angle detection system for medical display based on visual servo is proposed.The system is composed of a mechanical arm equipped with an industrial camera and a luminance meter.The industrial camera obtains the coordinate information of the display by identifying the target displayed in the center of the medical display.The robot hand eye calibration method is used to convert the display coordinate to the robot coordinate system.The luminance meter moves around the center of the display with the mechanical arm,All white field and all black field signals were detected to test the visual angle of medical display.After testing,the robot assisted medical display visual angle detection system based on visual servo can complete the task of medical display visual angle detection according to the requirements.