AIMC Topic: Rotation

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Instantaneous center of rotation, the first step to build up the digital laboratory of complex motions.

PloS one Aug 7, 2025
Calculating instantaneous centers of rotation to describe combined rotational and translational motions has a long history in many fields of applied science and basic rigid body kinematics. However, only some theoretical studies have explored the fun...
Humans Rotation Movement Temporomandibular Joint Biomechanical Phenomena Imaging, Three-Dimensional
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Enhanced personalized prediction of baseball-related upper extremity injuries through novel features and explainable artificial intelligence.

Journal of sports sciences Mar 12, 2025
Upper extremity injuries in baseball players demand advanced prevention. Our study analyzed clinical features using machine learning techniques to provide precise and individualized injury risk assessment and prediction. We recruited 98 baseball play...
Baseball Adult Athletic Injuries Male Rotation Upper Extremity Logistic Models Humans Support Vector Machine Machine Learning Artificial Intelligence Young Adult Risk Assessment
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Jointed tails enhance control of three-dimensional body rotation.

Journal of the Royal Society, Interface Feb 5, 2025
Tails used as inertial appendages induce body rotations of animals and robots-a phenomenon that is governed largely by the ratio of the body and tail moments of inertia. However, vertebrate tails have more degrees of freedom (e.g. number of joints an...
Biomechanical Phenomena Animals Rotation Joints Tail Robotics Models, Biological
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RotInv-PCT: Rotation-Invariant Point Cloud Transformer via feature separation and aggregation.

Neural networks : the official journal of the International Neural Network Society Feb 4, 2025
The widespread use of point clouds has spurred the rapid development of neural networks for point cloud processing. A crucial property of these networks is maintaining consistent output results under random rotations of the input point cloud, namely,...
Rotation Neural Networks, Computer Algorithms Humans
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Lie group convolution neural networks with scale-rotation equivariance.

Neural networks : the official journal of the International Neural Network Society Nov 28, 2024
The weight-sharing mechanism of convolutional kernels ensures the translation equivariance of convolutional neural networks (CNNs) but not scale and rotation equivariance. This study proposes a SIM(2) Lie group-CNN, which can simultaneously keep scal...
Algorithms Image Processing, Computer-Assisted Pattern Recognition, Automated Rotation Humans Neural Networks, Computer
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Classification of rotation-invariant biomedical images using equivariant neural networks.

Scientific reports Jul 1, 2024
Transmission electron microscopy (TEM) is an imaging technique used to visualize and analyze nano-sized structures and objects such as virus particles. Light microscopy can be used to diagnose diseases or characterize e.g. blood cells. Since samples ...
Rotation Microscopy, Electron, Transmission Humans Algorithms Image Processing, Computer-Assisted Neural Networks, Computer
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Estimation of Shoulder Joint Rotation Angle Using Tablet Device and Pose Estimation Artificial Intelligence Model.

Sensors (Basel, Switzerland) May 2, 2024
Traditionally, angle measurements have been performed using a goniometer, but the complex motion of shoulder movement has made these measurements intricate. The angle of rotation of the shoulder is particularly difficult to measure from an upright po...
Humans Artificial Intelligence Computers, Handheld Male Posture Range of Motion, Articular Shoulder Joint Rotation Female Adult Machine Learning
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Any region can be perceived equally and effectively on rotation pretext task using full rotation and weighted-region mixture.

Neural networks : the official journal of the International Neural Network Society Apr 30, 2024
In recent years, self-supervised learning has emerged as a powerful approach to learning visual representations without requiring extensive manual annotation. One popular technique involves using rotation transformations of images, which provide a cl...
Rotation Supervised Machine Learning Algorithms Image Processing, Computer-Assisted Humans Neural Networks, Computer
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A Deep Learning Model for Markerless Pose Estimation Based on Keypoint Augmentation: What Factors Influence Errors in Biomechanical Applications?

Sensors (Basel, Switzerland) Mar 17, 2024
In biomechanics, movement is typically recorded by tracking the trajectories of anatomical landmarks previously marked using passive instrumentation, which entails several inconveniences. To overcome these disadvantages, researchers are exploring dif...
Biomechanical Phenomena Deep Learning Movement Rotation Photogrammetry
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Automatic Tracking of Hyoid Bone Displacement and Rotation Relative to Cervical Vertebrae in Videofluoroscopic Swallow Studies Using Deep Learning.

Journal of imaging informatics in medicine Feb 21, 2024
The hyoid bone displacement and rotation are critical kinematic events of the swallowing process in the assessment of videofluoroscopic swallow studies (VFSS). However, the quantitative analysis of such events requires frame-by-frame manual annotatio...
Hyoid Bone Cervical Vertebrae Fluoroscopy Automation Video Recording Deep Learning Rotation Deglutition Datasets as Topic Image Processing, Computer-Assisted Humans Computer Simulation
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