Search Results for author: Zizhang Wu

Found 22 papers, 1 papers with code

ADU-Depth: Attention-based Distillation with Uncertainty Modeling for Depth Estimation

no code implementations26 Sep 2023 Zizhang Wu, Zhuozheng Li, Zhi-Gang Fan, Yunzhe Wu, Xiaoquan Wang, Rui Tang, Jian Pu

Monocular depth estimation is challenging due to its inherent ambiguity and ill-posed nature, yet it is quite important to many applications.

Domain Adaptation Knowledge Distillation +2

PPD: A New Valet Parking Pedestrian Fisheye Dataset for Autonomous Driving

no code implementations20 Sep 2023 Zizhang Wu, Xinyuan Chen, Fan Song, Yuanzhu Gan, Tianhao Xu, Jian Pu, Rui Tang

In this paper, wepresent the Parking Pedestrian Dataset (PPD), a large-scale fisheye dataset to support research dealing with real-world pedestrians, especially with occlusions and diverse postures.

Autonomous Driving Data Augmentation +1

LineMarkNet: Line Landmark Detection for Valet Parking

no code implementations19 Sep 2023 Zizhang Wu, Yuanzhu Gan, Tianhao Xu, Rui Tang, Jian Pu

We aim for accurate and efficient line landmark detection for valet parking, which is a long-standing yet unsolved problem in autonomous driving.

Autonomous Driving Line Detection +3

Graph-Segmenter: Graph Transformer with Boundary-aware Attention for Semantic Segmentation

no code implementations15 Aug 2023 Zizhang Wu, Yuanzhu Gan, Tianhao Xu, Fan Wang

To address this issue, we propose a Graph-Segmenter, including a Graph Transformer and a Boundary-aware Attention module, which is an effective network for simultaneously modeling the more profound relation between windows in a global view and various pixels inside each window as a local one, and for substantial low-cost boundary adjustment.

Relation Segmentation +1

ADD: An Automatic Desensitization Fisheye Dataset for Autonomous Driving

no code implementations15 Aug 2023 Zizhang Wu, Chenxin Yuan, Hongyang Wei, Fan Song, Tianhao Xu

The compiled dataset consists of 650K images, including different face and vehicle license plate information captured by the surround-view fisheye camera.

Autonomous Driving License Plate Detection

Learning Monocular Depth in Dynamic Environment via Context-aware Temporal Attention

no code implementations12 May 2023 Zizhang Wu, Zhuozheng Li, Zhi-Gang Fan, Yunzhe Wu, Yuanzhu Gan, Jian Pu, Xianzhi Li

During the refinement process, context-aware temporal attention (CTA) is developed to capture the global temporal-context correlations to maintain the feature consistency and estimation integrity of moving objects.

Autonomous Driving Monocular Depth Estimation +1

MVFusion: Multi-View 3D Object Detection with Semantic-aligned Radar and Camera Fusion

no code implementations21 Feb 2023 Zizhang Wu, Guilian Chen, Yuanzhu Gan, Lei Wang, Jian Pu

To achieve so, we inject the semantic alignment into the radar features via the semantic-aligned radar encoder (SARE) to produce image-guided radar features.

3D Object Detection Autonomous Driving +1

CAT: Learning to Collaborate Channel and Spatial Attention from Multi-Information Fusion

no code implementations13 Dec 2022 Zizhang Wu, Man Wang, Weiwei Sun, Yuchen Li, Tianhao Xu, Fan Wang, Keke Huang

Channel and spatial attention mechanism has proven to provide an evident performance boost of deep convolution neural networks (CNNs).

Image Classification Instance Segmentation +3

Complete Solution for Vehicle Re-ID in Surround-view Camera System

no code implementations8 Dec 2022 Zizhang Wu, Tianhao Xu, Fan Wang, Xiaoquan Wang, Jing Song

Vehicle re-identification (Re-ID) is a critical component of the autonomous driving perception system, and research in this area has accelerated in recent years.

Autonomous Driving Vehicle Re-Identification

OCR-RTPS: An OCR-based real-time positioning system for the valet parking

no code implementations8 Dec 2022 Zizhang Wu, Xinyuan Chen, Jizheng Wang, Xiaoquan Wang, Yuanzhu Gan, Muqing Fang, Tianhao Xu

Obtaining the position of ego-vehicle is a crucial prerequisite for automatic control and path planning in the field of autonomous driving.

Autonomous Driving Optical Character Recognition (OCR) +1

Surround-view Fisheye BEV-Perception for Valet Parking: Dataset, Baseline and Distortion-insensitive Multi-task Framework

no code implementations8 Dec 2022 Zizhang Wu, Yuanzhu Gan, Xianzhi Li, Yunzhe Wu, Xiaoquan Wang, Tianhao Xu, Fan Wang

Most existing networks based on public datasets may generalize suboptimal results on these valet parking scenes, also affected by the fisheye distortion.

Autonomous Driving

Detecting Owner-member Relationship with Graph Convolution Network in Fisheye Camera System

no code implementations28 Jan 2022 Zizhang Wu, Jason Wang, Tianhao Xu, Fan Wang

The owner-member relationship between wheels and vehicles contributes significantly to the 3D perception of vehicles, especially in embedded environments.

Graph Attention

Temporal Transformer Networks with Self-Supervision for Action Recognition

no code implementations14 Dec 2021 Yongkang Zhang, Jun Li, Guoming Wu, Han Zhang, Zhiping Shi, Zhaoxun Liu, Zizhang Wu, Na Jiang

The temporal sequence self-supervision module we employ unprecedentedly adopts the streamlined strategy of "random batch random channel" to reverse the sequence of video frames, allowing robust extractions of motion information representation from inversed temporal dimensions and improving the generalization capability of the model.

Action Recognition Temporal Action Localization

Disentangling and Vectorization: A 3D Visual Perception Approach for Autonomous Driving Based on Surround-View Fisheye Cameras

no code implementations19 Jul 2021 Zizhang Wu, Wenkai Zhang, Jizheng Wang, Man Wang, Yuanzhu Gan, Xinchao Gou, Muqing Fang, Jing Song

The 3D visual perception for vehicles with the surround-view fisheye camera system is a critical and challenging task for low-cost urban autonomous driving.

Autonomous Driving Descriptive +2

DeepWORD: A GCN-based Approach for Owner-Member Relationship Detection in Autonomous Driving

no code implementations30 Mar 2021 Zizhang Wu, Man Wang, Jason Wang, Wenkai Zhang, Muqing Fang, Tianhao Xu

It's worth noting that the owner-member relationship between wheels and vehicles has an significant contribution to the 3D perception of vehicles, especially in the embedded environment.

Autonomous Driving Graph Attention +1

Rethinking ResNets: Improved Stacking Strategies With High Order Schemes

no code implementations28 Mar 2021 Zhengbo Luo, Zitang Sun, Weilian Zhou, Zizhang Wu, Sei-ichiro Kamata

We show that the widely used DNN design strategy, constantly stacking a small design (usually 2-3 layers), could be easily improved, supported by solid theoretical knowledge and with no extra parameters needed.

Vocal Bursts Intensity Prediction

Vehicle Re-ID for Surround-view Camera System

no code implementations30 Jun 2020 Zizhang Wu, Man Wang, Lingxiao Yin, Weiwei Sun, Jason Wang, Huangbin Wu

The vehicle re-identification (ReID) plays a critical role in the perception system of autonomous driving, which attracts more and more attention in recent years.

Autonomous Driving Vehicle Re-Identification

PSDet: Efficient and Universal Parking Slot Detection

no code implementations12 May 2020 Zizhang Wu, Weiwei Sun, Man Wang, Xiaoquan Wang, Lizhu Ding, Fan Wang

\romannumeral2, Expert knowledge for parking slot detection is under-estimated.

SMOKE: Single-Stage Monocular 3D Object Detection via Keypoint Estimation

3 code implementations24 Feb 2020 Zechen Liu, Zizhang Wu, Roland Tóth

Estimating 3D orientation and translation of objects is essential for infrastructure-less autonomous navigation and driving.

Autonomous Navigation Keypoint Estimation +4

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