作者:Yiyuan Fu;Fanwu Meng;Xinghua Yin;Jianming Gu;Zhuyi Ma;Yixin zhou (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China;2Department of Orthopaedics, Beijing Jishuitan Hospital, Fourth Clinical College of Peking University, Xinjiekou East Street, Xicheng District, Beijing 100035, China)
出处:IPEM-Translation 2023
关键词:Automated continuous distractor;Limb lengthening;Distraction osteogenesis;Medical devices
摘要:Distraction osteogenesis (DO) is a classical surgical technique for limb lengthening and reconstruction (LLR). Most existing DO devices for LLR are op ...
发明人:孟凡武,付益源,王翔,马梁
申请日期:2022.05.06
摘要:本申请提供一种工件位姿识别方法、装置、计算机设备及存储介质,该方法包括:识别相机拍摄的工件图像中的各工件的反光带,并确定各工件的反光带的长度;根据各工件的反光带的长度,确定至少一个工件层;逐层分别确定各工件层中各工件的抓取点在三维工作台坐标系下的位置信息以及旋转角度,并逐层分别确定各工件层中各工件在 ...
发明人:孟凡武,张明轶
申请日期:2020.12.02
摘要:本申请提供一种零件识别方法、装置和计算机设备,属于计算机视觉技术领域。该方法包括:在电子设备中获取零件的三维模型,并确定三维模型的重心位置;确定三维模型的外接凸壳,外接凸壳包括多个平面;根据三维模型的重心位置与三维模型的外接凸壳的位置关系,确定外接凸壳中的多个待拍摄平面,每个待拍摄平面与重心位置的位 ...
发明人:孟凡武,马梁,谢磊,马鑫,尚妍
申请日期:2023.07.04
摘要:本发明提供了一种纹理表面缺陷检测方法、装置、电子设备及存储介质,涉及缺陷检测技术领域,包括:获取纹理表面图像,提取纹理表面图像的纹理特征;对纹理特征进行融合得到融合特征,基于融合特征和特征字典确定纹理表面的缺陷;其中,特征字典基于无缺陷图像训练获得,特征字典包括多个无缺陷的多层次特征。通过获取纹理表 ...
作者:Fanwu Meng1;Di Wu1;Tao Gong1;Xiangyi Xiang1; (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China)
出处:IEEE Access 2024
关键词:Assembly;Solid modeling;Feature extraction;Three-dimensional displays;Rendering (computer graphics);Image edge detection;Cameras;Recurrent neural networks;3D CAD Models;Neural Network;Dimensionality Reduction;Feature Maps;Machine Vision;Dataset Construction;Region Proposal Network;Assembly Of Parts;Automatic Labeling;VGG Network;Edge Extraction;Convolutional Neural Network;Convolutional Layers;Confusion Matrix;Object Detection;Detection Results;Bounding Box;Manual Inspection;Welding;Virtual Camera;Feature Extraction Network;Camera Pose;Region Proposal;Ground-truth Bounding Box;Point Light Source;Candidate Regions;Bounding Box Regression;Virtual Ground;Gradient Values
摘要:Incomplete assembly could affect product quality and performance, and even cause inestimable losses. In the industrial environment, the lack of image ...