User profiles for "author:Joan Lasenby"

Joan Lasenby

Professor of Image and Signal Analysis, Department of Engineering, University of …
Verified email at cam.ac.uk
Cited by 5686

Scientific discovery in the age of artificial intelligence

H Wang, T Fu, Y Du, W Gao, K Huang, Z Liu… - Nature, 2023 - nature.com
Artificial intelligence (AI) is being increasingly integrated into scientific discovery to augment
and accelerate research, helping scientists to generate hypotheses, design experiments …

Inverse kinematics techniques in computer graphics: A survey

A Aristidou, J Lasenby, Y Chrysanthou… - Computer graphics …, 2018 - Wiley Online Library
Inverse kinematics (IK) is the use of kinematic equations to determine the joint parameters of
a manipulator so that the end effector moves to a desired position; IK can be applied in many …

[PDF][PDF] Inverse kinematics: a review of existing techniques and introduction of a new fast iterative solver

A Aristidou, J Lasenby - 2009 - researchgate.net
Inverse Kinematics (IK) is defined as the problem of determining a set of appropriate joint
configurations for which the end effectors move to desired positions as smoothly, rapidly …

Pre-training molecular graph representation with 3d geometry

S Liu, H Wang, W Liu, J Lasenby, H Guo… - arXiv preprint arXiv …, 2021 - arxiv.org
Molecular graph representation learning is a fundamental problem in modern drug and
material discovery. Molecular graphs are typically modeled by their 2D topological …

New least squares solutions for estimating the average centre of rotation and the axis of rotation

SSHU Gamage, J Lasenby - Journal of biomechanics, 2002 - Elsevier
A new method is proposed for estimating the parameters of ball joints, also known as
spherical or revolute joints and hinge joints with a fixed axis of rotation. The method does not …

FABRIK: A fast, iterative solver for the Inverse Kinematics problem

A Aristidou, J Lasenby - Graphical Models, 2011 - Elsevier
Inverse Kinematics is defined as the problem of determining a set of appropriate joint
configurations for which the end effectors move to desired positions as smoothly, rapidly …

Unsupervised point cloud pre-training via occlusion completion

H Wang, Q Liu, X Yue, J Lasenby… - Proceedings of the …, 2021 - openaccess.thecvf.com
We describe a simple pre-training approach for point clouds. It works in three steps: 1. Mask
all points occluded in a camera view; 2. Learn an encoder-decoder model to reconstruct the …

[BOOK][B] Applications of geometric algebra in computer science and engineering

L Dorst, C Doran, J Lasenby - 2012 - books.google.com
Geometric algebra has established itself as a powerful and valuable mathematical tool for
solving problems in computer science, engineering, physics, and mathematics. The articles …

New geometric methods for computer vision: An application to structure and motion estimation

J Lasenby, WJ Fitzgerald, AN Lasenby… - International Journal of …, 1998 - Springer
We discuss a coordinate-free approach to the geometry of computer vision problems. The
technique we use to analyse the three-dimensional transformations involved will be that of …

[HTML][HTML] Advancing COVID-19 diagnosis with privacy-preserving collaboration in artificial intelligence

X Bai, H Wang, L Ma, Y Xu, J Gan, Z Fan… - Nature Machine …, 2021 - nature.com
Artificial intelligence provides a promising solution for streamlining COVID-19 diagnoses;
however, concerns surrounding security and trustworthiness impede the collection of large …