CMax-SLAM: Event-based rotational-motion bundle adjustment and SLAM system using contrast maximization

S Guo, G Gallego - IEEE Transactions on Robotics, 2024‏ - ieeexplore.ieee.org
Event cameras are bioinspired visual sensors that capture pixelwise intensity changes and
output asynchronous event streams. They show great potential over conventional cameras …

A 5-point minimal solver for event camera relative motion estimation

L Gao, H Su, D Gehrig, M Cannici… - Proceedings of the …, 2023‏ - openaccess.thecvf.com
Event-based cameras are ideal for line-based motion estimation, since they predominantly
respond to edges in the scene. However, accurately determining the camera displacement …

Neurozoom: Denoising and super resolving neuromorphic events and spikes

P Duan, Y Ma, X Zhou, X Shi, ZW Wang… - … on Pattern Analysis …, 2023‏ - ieeexplore.ieee.org
Neuromorphic cameras are emerging imaging technology that has advantages over
conventional imaging sensors in several aspects including dynamic range, sensing latency …

EventZoom: Learning to denoise and super resolve neuromorphic events

P Duan, ZW Wang, X Zhou, Y Ma… - Proceedings of the …, 2021‏ - openaccess.thecvf.com
We address the problem of jointly denoising and super resolving neuromorphic events, a
novel visual signal that represents thresholded temporal gradients in a space-time window …

Comparing representations in tracking for event camera-based slam

J Jiao, H Huang, L Li, Z He, Y Zhu… - Proceedings of the …, 2021‏ - openaccess.thecvf.com
This paper investigates two typical image-type representations for event camera-based
tracking: time surface (TS) and event map (EM). Based on the original TS-based tracker, we …

Spatiotemporal registration for event-based visual odometry

D Liu, A Parra, TJ Chin - … of the IEEE/CVF conference on …, 2021‏ - openaccess.thecvf.com
A useful application of event sensing is visual odometry, especially in settings that require
high-temporal resolution. The state-of-the-art method of contrast maximisation recovers the …

The spatio-temporal poisson point process: A simple model for the alignment of event camera data

C Gu, E Learned-Miller, D Sheldon… - Proceedings of the …, 2021‏ - openaccess.thecvf.com
Event cameras, inspired by biological vision systems, provide a natural and data efficient
representation of visual information. Visual information is acquired in the form of events that …

Globally-optimal contrast maximisation for event cameras

X Peng, L Gao, Y Wang, L Kneip - IEEE Transactions on Pattern …, 2021‏ - ieeexplore.ieee.org
Event cameras are bio-inspired sensors that perform well in challenging illumination
conditions and have high temporal resolution. However, their concept is fundamentally …

[HTML][HTML] Visual odometry with an event camera using continuous ray war** and volumetric contrast maximization

Y Wang, J Yang, X Peng, P Wu, L Gao, K Huang… - Sensors, 2022‏ - mdpi.com
We present a new solution to tracking and map** with an event camera. The motion of the
camera contains both rotation and translation displacements in the plane, and the …