Search Results for author: Tai Wang

Found 37 papers, 29 papers with code

VLM-Grounder: A VLM Agent for Zero-Shot 3D Visual Grounding

1 code implementation17 Oct 2024 Runsen Xu, Zhiwei Huang, Tai Wang, Yilun Chen, Jiangmiao Pang, Dahua Lin

3D visual grounding is crucial for robots, requiring integration of natural language and 3D scene understanding.

3D geometry 3D visual grounding +2

Omni6D: Large-Vocabulary 3D Object Dataset for Category-Level 6D Object Pose Estimation

1 code implementation26 Sep 2024 Mengchen Zhang, Tong Wu, Tai Wang, Tengfei Wang, Ziwei Liu, Dahua Lin

6D object pose estimation aims at determining an object's translation, rotation, and scale, typically from a single RGBD image.

6D Pose Estimation 6D Pose Estimation using RGB +1

LLaVA-3D: A Simple yet Effective Pathway to Empowering LMMs with 3D-awareness

no code implementations26 Sep 2024 Chenming Zhu, Tai Wang, Wenwei Zhang, Jiangmiao Pang, Xihui Liu

Recent advancements in Large Multimodal Models (LMMs) have greatly enhanced their proficiency in 2D visual understanding tasks, enabling them to effectively process and understand images and videos.

Scene Understanding

ScanReason: Empowering 3D Visual Grounding with Reasoning Capabilities

no code implementations1 Jul 2024 Chenming Zhu, Tai Wang, Wenwei Zhang, Kai Chen, Xihui Liu

Although great progress has been made in 3D visual grounding, current models still rely on explicit textual descriptions for grounding and lack the ability to reason human intentions from implicit instructions.

3D visual grounding Language Modeling +2

CooHOI: Learning Cooperative Human-Object Interaction with Manipulated Object Dynamics

no code implementations20 Jun 2024 Jiawei Gao, Ziqin Wang, Zeqi Xiao, Jingbo Wang, Tai Wang, Jinkun Cao, Xiaolin Hu, Si Liu, Jifeng Dai, Jiangmiao Pang

Given the scarcity of motion capture data on multi-humanoid collaboration and the efficiency challenges associated with multi-agent learning, these tasks cannot be straightforwardly addressed using training paradigms designed for single-agent scenarios.

Human-Object Interaction Detection Humanoid Control +2

MMScan: A Multi-Modal 3D Scene Dataset with Hierarchical Grounded Language Annotations

1 code implementation13 Jun 2024 Ruiyuan Lyu, Tai Wang, Jingli Lin, Shuai Yang, Xiaohan Mao, Yilun Chen, Runsen Xu, Haifeng Huang, Chenming Zhu, Dahua Lin, Jiangmiao Pang

With the emergence of LLMs and their integration with other data modalities, multi-modal 3D perception attracts more attention due to its connectivity to the physical world and makes rapid progress.

3D visual grounding Attribute +1

An Empirical Study of Training State-of-the-Art LiDAR Segmentation Models

1 code implementation23 May 2024 Jiahao Sun, Chunmei Qing, Xiang Xu, Lingdong Kong, Youquan Liu, Li Li, Chenming Zhu, Jingwei Zhang, Zeqi Xiao, Runnan Chen, Tai Wang, Wenwei Zhang, Kai Chen

In the rapidly evolving field of autonomous driving, precise segmentation of LiDAR data is crucial for understanding complex 3D environments.

Autonomous Driving Benchmarking +3

Grounded 3D-LLM with Referent Tokens

1 code implementation16 May 2024 Yilun Chen, Shuai Yang, Haifeng Huang, Tai Wang, Runsen Xu, Ruiyuan Lyu, Dahua Lin, Jiangmiao Pang

To facilitate the use of referent tokens in subsequent language modeling, we provide a large-scale, automatically curated grounded scene-text dataset with over 1 million phrase-to-region correspondences and introduce Contrastive Language-Scene Pre-training (CLASP) to perform phrase-level scene-text alignment using this data.

Dense Captioning Diversity +7

OctreeOcc: Efficient and Multi-Granularity Occupancy Prediction Using Octree Queries

1 code implementation6 Dec 2023 Yuhang Lu, Xinge Zhu, Tai Wang, Yuexin Ma

Occupancy prediction has increasingly garnered attention in recent years for its fine-grained understanding of 3D scenes.

Learning to Adapt SAM for Segmenting Cross-domain Point Clouds

no code implementations13 Oct 2023 Xidong Peng, Runnan Chen, Feng Qiao, Lingdong Kong, Youquan Liu, Yujing Sun, Tai Wang, Xinge Zhu, Yuexin Ma

Unsupervised domain adaptation (UDA) in 3D segmentation tasks presents a formidable challenge, primarily stemming from the sparse and unordered nature of point cloud data.

General Knowledge Image Segmentation +4

Object2Scene: Putting Objects in Context for Open-Vocabulary 3D Detection

no code implementations18 Sep 2023 Chenming Zhu, Wenwei Zhang, Tai Wang, Xihui Liu, Kai Chen

Instead of leveraging 2D images, we propose Object2Scene, the first approach that leverages large-scale large-vocabulary 3D object datasets to augment existing 3D scene datasets for open-vocabulary 3D object detection.

3D Object Detection 3D Open-Vocabulary Object Detection +4

Unified Human-Scene Interaction via Prompted Chain-of-Contacts

1 code implementation14 Sep 2023 Zeqi Xiao, Tai Wang, Jingbo Wang, Jinkun Cao, Wenwei Zhang, Bo Dai, Dahua Lin, Jiangmiao Pang

Based on the definition, UniHSI constitutes a Large Language Model (LLM) Planner to translate language prompts into task plans in the form of CoC, and a Unified Controller that turns CoC into uniform task execution.

Language Modeling Language Modelling +1

PointLLM: Empowering Large Language Models to Understand Point Clouds

3 code implementations31 Aug 2023 Runsen Xu, Xiaolong Wang, Tai Wang, Yilun Chen, Jiangmiao Pang, Dahua Lin

The unprecedented advancements in Large Language Models (LLMs) have shown a profound impact on natural language processing but are yet to fully embrace the realm of 3D understanding.

3D Object Captioning 3D Question Answering (3D-QA) +3

DORT: Modeling Dynamic Objects in Recurrent for Multi-Camera 3D Object Detection and Tracking

1 code implementation29 Mar 2023 Qing Lian, Tai Wang, Dahua Lin, Jiangmiao Pang

Recent multi-camera 3D object detectors usually leverage temporal information to construct multi-view stereo that alleviates the ill-posed depth estimation.

3D Object Detection Depth Estimation +3

MV-JAR: Masked Voxel Jigsaw and Reconstruction for LiDAR-Based Self-Supervised Pre-Training

1 code implementation CVPR 2023 Runsen Xu, Tai Wang, Wenwei Zhang, Runjian Chen, Jinkun Cao, Jiangmiao Pang, Dahua Lin

This paper introduces the Masked Voxel Jigsaw and Reconstruction (MV-JAR) method for LiDAR-based self-supervised pre-training and a carefully designed data-efficient 3D object detection benchmark on the Waymo dataset.

3D Object Detection object-detection

GeoMIM: Towards Better 3D Knowledge Transfer via Masked Image Modeling for Multi-view 3D Understanding

1 code implementation ICCV 2023 Jihao Liu, Tai Wang, Boxiao Liu, Qihang Zhang, Yu Liu, Hongsheng Li

In this paper, we propose Geometry Enhanced Masked Image Modeling (GeoMIM) to transfer the knowledge of the LiDAR model in a pretrain-finetune paradigm for improving the multi-view camera-based 3D detection.

3D Object Detection Decoder +2

Vision-Centric BEV Perception: A Survey

1 code implementation4 Aug 2022 Yuexin Ma, Tai Wang, Xuyang Bai, Huitong Yang, Yuenan Hou, Yaming Wang, Yu Qiao, Ruigang Yang, Dinesh Manocha, Xinge Zhu

In recent years, vision-centric Bird's Eye View (BEV) perception has garnered significant interest from both industry and academia due to its inherent advantages, such as providing an intuitive representation of the world and being conducive to data fusion.

Survey

MV-FCOS3D++: Multi-View Camera-Only 4D Object Detection with Pretrained Monocular Backbones

1 code implementation26 Jul 2022 Tai Wang, Qing Lian, Chenming Zhu, Xinge Zhu, Wenwei Zhang

In this technical report, we present our solution, dubbed MV-FCOS3D++, for the Camera-Only 3D Detection track in Waymo Open Dataset Challenge 2022.

object-detection Object Detection +1

Monocular 3D Object Detection with Depth from Motion

1 code implementation26 Jul 2022 Tai Wang, Jiangmiao Pang, Dahua Lin

Perceiving 3D objects from monocular inputs is crucial for robotic systems, given its economy compared to multi-sensor settings.

Depth Estimation Monocular 3D Object Detection +2

Balanced Chamfer Distance as a Comprehensive Metric for Point Cloud Completion

1 code implementation NeurIPS 2021 Tong Wu, Liang Pan, Junzhe Zhang, Tai Wang, Ziwei Liu, Dahua Lin

We adopt DCD to evaluate the point cloud completion task, where experimental results show that DCD pays attention to both the overall structure and local geometric details and provides a more reliable evaluation even when CD and EMD contradict each other.

Point Cloud Completion

Density-aware Chamfer Distance as a Comprehensive Metric for Point Cloud Completion

1 code implementation24 Nov 2021 Tong Wu, Liang Pan, Junzhe Zhang, Tai Wang, Ziwei Liu, Dahua Lin

We adopt DCD to evaluate the point cloud completion task, where experimental results show that DCD pays attention to both the overall structure and local geometric details and provides a more reliable evaluation even when CD and EMD contradict each other.

Point Cloud Completion

SIDE: Center-based Stereo 3D Detector with Structure-aware Instance Depth Estimation

no code implementations22 Aug 2021 Xidong Peng, Xinge Zhu, Tai Wang, Yuexin Ma

Due to the information sparsity of local cost volume, we further introduce match reweighting and structure-aware attention, to make the depth information more concentrated.

Depth Estimation

Probabilistic and Geometric Depth: Detecting Objects in Perspective

1 code implementation29 Jul 2021 Tai Wang, Xinge Zhu, Jiangmiao Pang, Dahua Lin

As the preliminary depth estimation of each instance is usually inaccurate in this ill-posed setting, we incorporate a probabilistic representation to capture the uncertainty.

Attribute Depth Estimation +2

FCOS3D: Fully Convolutional One-Stage Monocular 3D Object Detection

9 code implementations22 Apr 2021 Tai Wang, Xinge Zhu, Jiangmiao Pang, Dahua Lin

In this paper, we study this problem with a practice built on a fully convolutional single-stage detector and propose a general framework FCOS3D.

Autonomous Driving Monocular 3D Object Detection +2

FLAVA: Find, Localize, Adjust and Verify to Annotate LiDAR-Based Point Clouds

1 code implementation20 Nov 2020 Tai Wang, Conghui He, Zhe Wang, Jianping Shi, Dahua Lin

Recent years have witnessed the rapid progress of perception algorithms on top of LiDAR, a widely adopted sensor for autonomous driving systems.

Autonomous Driving

SSN: Shape Signature Networks for Multi-class Object Detection from Point Clouds

1 code implementation6 Apr 2020 Xinge Zhu, Yuexin Ma, Tai Wang, Yan Xu, Jianping Shi, Dahua Lin

Multi-class 3D object detection aims to localize and classify objects of multiple categories from point clouds.

3D Object Detection object-detection

Reconfigurable Voxels: A New Representation for LiDAR-Based Point Clouds

no code implementations6 Apr 2020 Tai Wang, Xinge Zhu, Dahua Lin

LiDAR is an important method for autonomous driving systems to sense the environment.

Autonomous Driving

An Empirical Study on Academic Commentary and Its Implications on Reading and Writing

no code implementations12 Feb 2016 Tai Wang, Xiangen Hu, Keith Shubeck, Zhiqiang Cai, Jie Tang

The relationship between reading and writing (RRW) is one of the major themes in learning science.

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