Search Results for author: Zichao Zhang

Found 8 papers, 2 papers with code

Exploring the Physical World Adversarial Robustness of Vehicle Detection

no code implementations7 Aug 2023 Wei Jiang, Tianyuan Zhang, Shuangcheng Liu, Weiyu Ji, Zichao Zhang, Gang Xiao

Through this pipeline, we establish the Discrete and Continuous Instant-level (DCI) dataset, enabling comprehensive experiments involving three detection models and three physical adversarial attacks.

Adversarial Attack Adversarial Robustness

The Digital Divide in Canada and the Role of LEO Satellites in Bridging the Gap

no code implementations16 Mar 2022 Tuheen Ahmmed, Afsoon Alidadi, Zichao Zhang, Aizaz U. Chaudhry, Halim Yanikomeroglu

In 2016, the Canadian Radio-television and Telecommunications Commission announced broadband Internet as a basic service available for all Canadians.

Fisher Information Field: an Efficient and Differentiable Map for Perception-aware Planning

1 code implementation7 Aug 2020 Zichao Zhang, Davide Scaramuzza

However, computing the Fisher information from a set of sparse landmarks (i. e., a point cloud), which is the most common map for visual localization, is inefficient.

Robotics

Voxel Map for Visual SLAM

no code implementations4 Mar 2020 Manasi Muglikar, Zichao Zhang, Davide Scaramuzza

We propose a voxel-map representation to efficiently retrieve map points for visual SLAM.

Redesigning SLAM for Arbitrary Multi-Camera Systems

no code implementations4 Mar 2020 Juichung Kuo, Manasi Muglikar, Zichao Zhang, Davide Scaramuzza

We adapt a state-of-the-art visual-inertial odometry with these modifications, and experimental results show that the modified pipeline can adapt to a wide range of camera setups (e. g., 2 to 6 cameras in one experiment) without the need of sensor-specific modifications or tuning.

Visual-Inertial Odometry of Aerial Robots

no code implementations7 Jun 2019 Davide Scaramuzza, Zichao Zhang

Visual-Inertial odometry (VIO) is the process of estimating the state (pose and velocity) of an agent (e. g., an aerial robot) by using only the input of one or more cameras plus one or more Inertial Measurement Units (IMUs) attached to it.

Robotics

Learning-based Image Enhancement for Visual Odometry in Challenging HDR Environments

no code implementations5 Jul 2017 Ruben Gomez-Ojeda, Zichao Zhang, Javier Gonzalez-Jimenez, Davide Scaramuzza

One of the main open challenges in visual odometry (VO) is the robustness to difficult illumination conditions or high dynamic range (HDR) environments.

Image Enhancement Visual Odometry

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