Search Results for author: Jiangmiao Pang

Found 36 papers, 28 papers with code

3DGSR: Implicit Surface Reconstruction with 3D Gaussian Splatting

no code implementations30 Mar 2024 Xiaoyang Lyu, Yang-tian Sun, Yi-Hua Huang, Xiuzhe Wu, ZiYi Yang, Yilun Chen, Jiangmiao Pang, Xiaojuan Qi

In this paper, we present an implicit surface reconstruction method with 3D Gaussian Splatting (3DGS), namely 3DGSR, that allows for accurate 3D reconstruction with intricate details while inheriting the high efficiency and rendering quality of 3DGS.

3D Reconstruction Surface Reconstruction

GenNBV: Generalizable Next-Best-View Policy for Active 3D Reconstruction

no code implementations25 Feb 2024 Xiao Chen, Quanyi Li, Tai Wang, Tianfan Xue, Jiangmiao Pang

Previous works attempt to automate this process using the Next-Best-View (NBV) policy for active 3D reconstruction.

3D Reconstruction Reinforcement Learning (RL)

Multi-Object Tracking by Hierarchical Visual Representations

no code implementations24 Feb 2024 Jinkun Cao, Jiangmiao Pang, Kris Kitani

We propose a new visual hierarchical representation paradigm for multi-object tracking.

Multi-Object Tracking Object

Mixed Gaussian Flow for Diverse Trajectory Prediction

no code implementations19 Feb 2024 Jiahe Chen, Jinkun Cao, Dahua Lin, Kris Kitani, Jiangmiao Pang

However, mapping from a standard Gaussian by a flow-based model hurts the capacity to capture complicated patterns of trajectories, ignoring the under-represented motion intentions in the training data.

Trajectory Prediction

EmbodiedScan: A Holistic Multi-Modal 3D Perception Suite Towards Embodied AI

1 code implementation26 Dec 2023 Tai Wang, Xiaohan Mao, Chenming Zhu, Runsen Xu, Ruiyuan Lyu, Peisen Li, Xiao Chen, Wenwei Zhang, Kai Chen, Tianfan Xue, Xihui Liu, Cewu Lu, Dahua Lin, Jiangmiao Pang

In the realm of computer vision and robotics, embodied agents are expected to explore their environment and carry out human instructions.

Scene Understanding

OV-PARTS: Towards Open-Vocabulary Part Segmentation

1 code implementation NeurIPS 2023 Meng Wei, Xiaoyu Yue, Wenwei Zhang, Shu Kong, Xihui Liu, Jiangmiao Pang

Secondly, part segmentation introduces an open granularity challenge due to the diverse and often ambiguous definitions of parts in the open world.

Open Vocabulary Semantic Segmentation Segmentation +1

Understanding Masked Autoencoders From a Local Contrastive Perspective

no code implementations3 Oct 2023 Xiaoyu Yue, Lei Bai, Meng Wei, Jiangmiao Pang, Xihui Liu, Luping Zhou, Wanli Ouyang

Masked AutoEncoder (MAE) has revolutionized the field of self-supervised learning with its simple yet effective masking and reconstruction strategies.

Contrastive Learning Data Augmentation +1

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 Modelling Large Language Model

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 Classification 3D Question Answering (3D-QA) +2

Transformer-Based Visual Segmentation: A Survey

2 code implementations19 Apr 2023 Xiangtai Li, Henghui Ding, Haobo Yuan, Wenwei Zhang, Jiangmiao Pang, Guangliang Cheng, Kai Chen, Ziwei Liu, Chen Change Loy

Recently, transformers, a type of neural network based on self-attention originally designed for natural language processing, have considerably surpassed previous convolutional or recurrent approaches in various vision processing tasks.

Autonomous Driving Point Cloud Segmentation +1

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

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

What Are Expected Queries in End-to-End Object Detection?

1 code implementation2 Jun 2022 Shilong Zhang, Xinjiang Wang, Jiaqi Wang, Jiangmiao Pang, Kai Chen

As both sparse and dense queries are imperfect, then \emph{what are expected queries in end-to-end object detection}?

Instance Segmentation object-detection +2

Observation-Centric SORT: Rethinking SORT for Robust Multi-Object Tracking

7 code implementations CVPR 2023 Jinkun Cao, Jiangmiao Pang, Xinshuo Weng, Rawal Khirodkar, Kris Kitani

Instead of relying only on the linear state estimate (i. e., estimation-centric approach), we use object observations (i. e., the measurements by object detector) to compute a virtual trajectory over the occlusion period to fix the error accumulation of filter parameters during the occlusion period.

Multi-Object Tracking Multiple Object Tracking +3

Dense Siamese Network for Dense Unsupervised Learning

1 code implementation21 Mar 2022 Wenwei Zhang, Jiangmiao Pang, Kai Chen, Chen Change Loy

It also extracts a batch of region embeddings that correspond to some sub-regions in the overlapped area to be contrasted for region consistency.

Self-Supervised Learning Unsupervised Semantic Segmentation

Towards Balanced Learning for Instance Recognition

no code implementations23 Aug 2021 Jiangmiao Pang, Kai Chen, Qi Li, Zhihai Xu, Huajun Feng, Jianping Shi, Wanli Ouyang, Dahua Lin

In this work, we carefully revisit the standard training practice of detectors, and find that the detection performance is often limited by the imbalance during the training process, which generally consists in three levels - sample level, feature level, and objective level.

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

K-Net: Towards Unified Image Segmentation

1 code implementation NeurIPS 2021 Wenwei Zhang, Jiangmiao Pang, Kai Chen, Chen Change Loy

The framework, named K-Net, segments both instances and semantic categories consistently by a group of learnable kernels, where each kernel is responsible for generating a mask for either a potential instance or a stuff class.

Image Segmentation Instance Segmentation +2

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

8 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

Quasi-Dense Similarity Learning for Multiple Object Tracking

3 code implementations CVPR 2021 Jiangmiao Pang, Linlu Qiu, Xia Li, Haofeng Chen, Qi Li, Trevor Darrell, Fisher Yu

Compared to methods with similar detectors, it boosts almost 10 points of MOTA and significantly decreases the number of ID switches on BDD100K and Waymo datasets.

Contrastive Learning Metric Learning +4

Side-Aware Boundary Localization for More Precise Object Detection

3 code implementations ECCV 2020 Jiaqi Wang, Wenwei Zhang, Yuhang Cao, Kai Chen, Jiangmiao Pang, Tao Gong, Jianping Shi, Chen Change Loy, Dahua Lin

To tackle the difficulty of precise localization in the presence of displacements with large variance, we further propose a two-step localization scheme, which first predicts a range of movement through bucket prediction and then pinpoints the precise position within the predicted bucket.

Object object-detection +2

Libra R-CNN: Towards Balanced Learning for Object Detection

6 code implementations CVPR 2019 Jiangmiao Pang, Kai Chen, Jianping Shi, Huajun Feng, Wanli Ouyang, Dahua Lin

In this work, we carefully revisit the standard training practice of detectors, and find that the detection performance is often limited by the imbalance during the training process, which generally consists in three levels - sample level, feature level, and objective level.

object-detection Object Detection

R$^2$-CNN: Fast Tiny Object Detection in Large-Scale Remote Sensing Images

no code implementations16 Feb 2019 Jiangmiao Pang, Cong Li, Jianping Shi, Zhihai Xu, Huajun Feng

To tackle these problems, we propose a unified and self-reinforced network called remote sensing region-based convolutional neural network ($\mathcal{R}^2$-CNN), composing of backbone Tiny-Net, intermediate global attention block, and final classifier and detector.

object-detection Object Detection

Hybrid Task Cascade for Instance Segmentation

5 code implementations CVPR 2019 Kai Chen, Jiangmiao Pang, Jiaqi Wang, Yu Xiong, Xiaoxiao Li, Shuyang Sun, Wansen Feng, Ziwei Liu, Jianping Shi, Wanli Ouyang, Chen Change Loy, Dahua Lin

In exploring a more effective approach, we find that the key to a successful instance segmentation cascade is to fully leverage the reciprocal relationship between detection and segmentation.

Instance Segmentation object-detection +4

FishNet: A Versatile Backbone for Image, Region, and Pixel Level Prediction

6 code implementations NeurIPS 2018 Shuyang Sun, Jiangmiao Pang, Jianping Shi, Shuai Yi, Wanli Ouyang

The basic principles in designing convolutional neural network (CNN) structures for predicting objects on different levels, e. g., image-level, region-level, and pixel-level are diverging.

Image Classification

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