1 code implementation • 15 Jun 2022 • Jieru Mei, Alex Zihao Zhu, Xinchen Yan, Hang Yan, Siyuan Qiao, Yukun Zhu, Liang-Chieh Chen, Henrik Kretzschmar, Dragomir Anguelov
We therefore present the Waymo Open Dataset: Panoramic Video Panoptic Segmentation Dataset, a large-scale dataset that offers high-quality panoptic segmentation labels for autonomous driving.
2 code implementations • 19 Feb 2018 • Alex Zihao Zhu, Liangzhe Yuan, Kenneth Chaney, Kostas Daniilidis
Event-based cameras have shown great promise in a variety of situations where frame based cameras suffer, such as high speed motions and high dynamic range scenes.
2 code implementations • CVPR 2019 • Alex Zihao Zhu, Liangzhe Yuan, Kenneth Chaney, Kostas Daniilidis
In this work, we propose a novel framework for unsupervised learning for event cameras that learns motion information from only the event stream.
1 code implementation • ECCV 2020 • Chankyu Lee, Adarsh Kumar Kosta, Alex Zihao Zhu, Kenneth Chaney, Kostas Daniilidis, Kaushik Roy
Spiking Neural Networks (SNNs) serve as ideal paradigms to handle event camera outputs, but deep SNNs suffer in terms of performance due to the spike vanishing phenomenon.
1 code implementation • 3 Dec 2019 • Alex Zihao Zhu, ZiYun Wang, Kaung Khant, Kostas Daniilidis
Event cameras provide a number of benefits over traditional cameras, such as the ability to track incredibly fast motions, high dynamic range, and low power consumption.
no code implementations • ECCV 2018 • Alex Zihao Zhu, Yibo Chen, Kostas Daniilidis
In this work, we propose a novel event based stereo method which addresses the problem of motion blur for a moving event camera.
no code implementations • 30 Jan 2018 • Alex Zihao Zhu, Dinesh Thakur, Tolga Ozaslan, Bernd Pfrommer, Vijay Kumar, Kostas Daniilidis
Event based cameras are a new passive sensing modality with a number of benefits over traditional cameras, including extremely low latency, asynchronous data acquisition, high dynamic range and very low power consumption.
Robotics
no code implementations • 20 Dec 2018 • Alex Zihao Zhu, Wenxin Liu, ZiYun Wang, Vijay Kumar, Kostas Daniilidis
In this work, we propose a method that combines unsupervised deep learning predictions for optical flow and monocular disparity with a model based optimization procedure for instantaneous camera pose.
no code implementations • CVPR 2017 • Alex Zihao Zhu, Nikolay Atanasov, Kostas Daniilidis
An Extended Kalman Filter with a structureless measurement model then fuses the feature tracks with the output of the IMU.
no code implementations • 18 Feb 2019 • Alex Zihao Zhu, ZiYun Wang, Kostas Daniilidis
In this work, we propose a novel transformation for events from an event camera that is equivariant to optical flow under convolutions in the 3-D spatiotemporal domain.
no code implementations • 14 Oct 2022 • Alex Zihao Zhu, Vincent Casser, Reza Mahjourian, Henrik Kretzschmar, Sören Pirk
We demonstrate that this formulation encourages the models to learn embeddings that are invariant to viewpoint variations and consistent across sensor modalities.
no code implementations • 28 Sep 2023 • Alex Zihao Zhu, Jieru Mei, Siyuan Qiao, Hang Yan, Yukun Zhu, Liang-Chieh Chen, Henrik Kretzschmar
Finally, we directly project the superpixel class predictions back into the pixel space using the associations between the superpixels and the image pixel features.
no code implementations • 4 Jan 2024 • Zihao Xiao, Longlong Jing, Shangxuan Wu, Alex Zihao Zhu, Jingwei Ji, Chiyu Max Jiang, Wei-Chih Hung, Thomas Funkhouser, Weicheng Kuo, Anelia Angelova, Yin Zhou, Shiwei Sheng
3D panoptic segmentation is a challenging perception task, especially in autonomous driving.