no code implementations • 17 Jul 2024 • Shin-Fang Chng, Ravi Garg, Hemanth Saratchandran, Simon Lucey
This paper tackles the simultaneous optimization of pose and Neural Radiance Fields (NeRF).
no code implementations • 13 Feb 2024 • Shin-Fang Chng, Hemanth Saratchandran, Simon Lucey
Implicit neural representations have emerged as a powerful technique for encoding complex continuous multidimensional signals as neural networks, enabling a wide range of applications in computer vision, robotics, and geometry.
no code implementations • 7 Feb 2024 • Hemanth Saratchandran, Shin-Fang Chng, Simon Lucey
In this paper, we aim to address this gap by providing a theoretical understanding of periodically activated networks through an analysis of their Neural Tangent Kernel (NTK).
no code implementations • 5 Feb 2024 • Hemanth Saratchandran, Shin-Fang Chng, Simon Lucey
Physics-informed neural networks (PINNs) offer a promising avenue for tackling both forward and inverse problems in partial differential equations (PDEs) by incorporating deep learning with fundamental physics principles.
1 code implementation • 16 Oct 2023 • Kavisha Vidanapathirana, Shin-Fang Chng, Xueqian Li, Simon Lucey
The test-time optimization of scene flow - using a coordinate network as a neural prior - has gained popularity due to its simplicity, lack of dataset bias, and state-of-the-art performance.
no code implementations • ICCV 2023 • Hemanth Saratchandran, Shin-Fang Chng, Sameera Ramasinghe, Lachlan MacDonald, Simon Lucey
Coordinate networks are widely used in computer vision due to their ability to represent signals as compressed, continuous entities.
no code implementations • 1 Sep 2022 • Cameron Gordon, Shin-Fang Chng, Lachlan MacDonald, Simon Lucey
The role of quantization within implicit/coordinate neural networks is still not fully understood.
2 code implementations • 12 Apr 2022 • Shin-Fang Chng, Sameera Ramasinghe, Jamie Sherrah, Simon Lucey
Despite Neural Radiance Fields (NeRF) showing compelling results in photorealistic novel views synthesis of real-world scenes, most existing approaches require accurate prior camera poses.
no code implementations • CVPR 2021 • Álvaro Parra, Shin-Fang Chng, Tat-Jun Chin, Anders Eriksson, Ian Reid
Under mild conditions on the noise level of the measurements, rotation averaging satisfies strong duality, which enables global solutions to be obtained via semidefinite programming (SDP) relaxation.
no code implementations • 12 Jun 2020 • Tat-Jun Chin, David Suter, Shin-Fang Chng, James Quach
Many computer vision applications need to recover structure from imperfect measurements of the real world.