Search Results for author: Jianfei Guo

Found 8 papers, 5 papers with code

Semantic Flow: Learning Semantic Field of Dynamic Scenes from Monocular Videos

1 code implementation8 Apr 2024 Fengrui Tian, Yueqi Duan, Angtian Wang, Jianfei Guo, Shaoyi Du

As there is 2D-to-3D ambiguity problem in the viewing direction when extracting 3D flow features from 2D video frames, we consider the volume densities as opacity priors that describe the contributions of flow features to the semantics on the frames.

OASim: an Open and Adaptive Simulator based on Neural Rendering for Autonomous Driving

1 code implementation6 Feb 2024 Guohang Yan, Jiahao Pi, Jianfei Guo, Zhaotong Luo, Min Dou, Nianchen Deng, Qiusheng Huang, Daocheng Fu, Licheng Wen, Pinlong Cai, Xing Gao, Xinyu Cai, Bo Zhang, Xuemeng Yang, Yeqi Bai, Hongbin Zhou, Botian Shi

With the development of implicit rendering technology and in-depth research on using generative models to produce data at scale, we propose OASim, an open and adaptive simulator and autonomous driving data generator based on implicit neural rendering.

Autonomous Driving Neural Rendering +1

ReSimAD: Zero-Shot 3D Domain Transfer for Autonomous Driving with Source Reconstruction and Target Simulation

2 code implementations11 Sep 2023 Bo Zhang, Xinyu Cai, Jiakang Yuan, Donglin Yang, Jianfei Guo, Xiangchao Yan, Renqiu Xia, Botian Shi, Min Dou, Tao Chen, Si Liu, Junchi Yan, Yu Qiao

Domain shifts such as sensor type changes and geographical situation variations are prevalent in Autonomous Driving (AD), which poses a challenge since AD model relying on the previous domain knowledge can be hardly directly deployed to a new domain without additional costs.

Autonomous Driving Domain Generalization

Parse and Recall: Towards Accurate Lung Nodule Malignancy Prediction like Radiologists

no code implementations20 Jul 2023 Jianpeng Zhang, Xianghua Ye, Jianfeng Zhang, Yuxing Tang, Minfeng Xu, Jianfei Guo, Xin Chen, Zaiyi Liu, Jingren Zhou, Le Lu, Ling Zhang

In this paper, we propose a radiologist-inspired method to simulate the diagnostic process of radiologists, which is composed of context parsing and prototype recalling modules.

Decision Making

StreetSurf: Extending Multi-view Implicit Surface Reconstruction to Street Views

1 code implementation8 Jun 2023 Jianfei Guo, Nianchen Deng, Xinyang Li, Yeqi Bai, Botian Shi, Chiyu Wang, Chenjing Ding, Dongliang Wang, Yikang Li

We present a novel multi-view implicit surface reconstruction technique, termed StreetSurf, that is readily applicable to street view images in widely-used autonomous driving datasets, such as Waymo-perception sequences, without necessarily requiring LiDAR data.

Autonomous Driving Neural Rendering +2

ReVoLT: Relational Reasoning and Voronoi Local Graph Planning for Target-driven Navigation

no code implementations6 Jan 2023 Junjia Liu, Jianfei Guo, Zehui Meng, Jingtao Xue

However, most of them obtain robot actions directly from observations in an end-to-end manner via an incomplete relation graph, which is not interpretable and reliable.

object-detection Object Detection +2

Template NeRF: Towards Modeling Dense Shape Correspondences from Category-Specific Object Images

no code implementations8 Nov 2021 Jianfei Guo, Zhiyuan Yang, Xi Lin, Qingfu Zhang

By representing object instances within the same category as shape and appearance variation of a shared NeRF template, our proposed method can achieve dense shape correspondences reasoning on images for a wide range of object classes.

3D-Aware Image Synthesis Keypoint Detection

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