activity
20182023
most citedQuadTree Attention for Vision Transformers

70 citations · 246 across the 19 of their papers we have counts for

collaborators

19 papers

cs.CV2023★ 4 cited

Fine-grained Text-Video Retrieval with Frozen Image Encoders

Zuozhuo Dai, Fangtao Shao, Qingkun Su +2

State-of-the-art text-video retrieval (TVR) methods typically utilize CLIP and cosine similarity for efficient retrieval. Meanwhile, cross attention methods, which employ a transfo…

cs.CV2023★ 5 cited

UVOSAM: A Mask-free Paradigm for Unsupervised Video Object Segmentation via Segment Anything Model

Zhenghao Zhang, Shengfan Zhang, Zhichao Wei +2

The current state-of-the-art methods for unsupervised video object segmentation (UVOS) require extensive training on video datasets with mask annotations, limiting their effectiven…

cs.CV2023★ 4 cited

3D Former: Monocular Scene Reconstruction with 3D SDF Transformers

Weihao Yuan, Xiaodong Gu, Heng Li +2

Monocular scene reconstruction from posed images is challenging due to the complexity of a large environment. Recent volumetric methods learn to directly predict the TSDF volume an…

cs.CV2023★ 1 cited

Linguistic Query-Guided Mask Generation for Referring Image Segmentation

Zhichao Wei, Xiaohao Chen, Mingqiang Chen +1

Referring image segmentation aims to segment the image region of interest according to the given language expression, which is a typical multi-modal task. Existing methods either a…

cs.CV2022★ 6 cited

RenderNet: Visual Relocalization Using Virtual Viewpoints in Large-Scale Indoor Environments

Jiahui Zhang, Shitao Tang, Kejie Qiu +6

Visual relocalization has been a widely discussed problem in 3D vision: given a pre-constructed 3D visual map, the 6 DoF (Degrees-of-Freedom) pose of a query image is estimated. Re…

cs.CV2022★ 1 cited

RCP: Recurrent Closest Point for Scene Flow Estimation on 3D Point Clouds

Xiaodong Gu, Chengzhou Tang, Weihao Yuan +3

3D motion estimation including scene flow and point cloud registration has drawn increasing interest. Inspired by 2D flow estimation, recent methods employ deep neural networks to…

cs.CV2022★ 43 cited

NeW CRFs: Neural Window Fully-connected CRFs for Monocular Depth Estimation

Weihao Yuan, Xiaodong Gu, Zuozhuo Dai +2

Estimating the accurate depth from a single image is challenging since it is inherently ambiguous and ill-posed. While recent works design increasingly complicated and powerful net…

cs.CV2022★ 70 cited

QuadTree Attention for Vision Transformers

Shitao Tang, Jiahui Zhang, Siyu Zhu +1

Transformers have been successful in many vision tasks, thanks to their capability of capturing long-range dependency. However, their quadratic computational complexity poses a maj…

cs.CV2021★ 3 cited

GB-CosFace: Rethinking Softmax-based Face Recognition from the Perspective of Open Set Classification

Lizhe Liu, Mingqiang Chen, Xiaohao Chen +2

State-of-the-art face recognition methods typically take the multi-classification pipeline and adopt the softmax-based loss for optimization. Although these methods have achieved g…

cs.CV2021

FloorPlanCAD: A Large-Scale CAD Drawing Dataset for Panoptic Symbol Spotting

Zhiwen Fan, Lingjie Zhu, Honghua Li +3

Access to large and diverse computer-aided design (CAD) drawings is critical for developing symbol spotting algorithms. In this paper, we present FloorPlanCAD, a large-scale real-w…

cs.CV2021★ 16 cited

CondLaneNet: a Top-to-down Lane Detection Framework Based on Conditional Convolution

Lizhe Liu, Xiaohao Chen, Siyu Zhu +1

Modern deep-learning-based lane detection methods are successful in most scenarios but struggling for lane lines with complex topologies. In this work, we propose CondLaneNet, a no…

cs.CV2021★ 3 cited

Stereo Matching by Self-supervision of Multiscopic Vision

Weihao Yuan, Yazhan Zhang, Bingkun Wu +4

Self-supervised learning for depth estimation possesses several advantages over supervised learning. The benefits of no need for ground-truth depth, online fine-tuning, and better…

cs.CV2021★ 3 cited

Learning Camera Localization via Dense Scene Matching

Shitao Tang, Chengzhou Tang, Rui Huang +2

Camera localization aims to estimate 6 DoF camera poses from RGB images. Traditional methods detect and match interest points between a query image and a pre-built 3D model. Recent…

cs.CV2021

AR Mapping: Accurate and Efficient Mapping for Augmented Reality

Rui Huang, Chuan Fang, Kejie Qiu +4

Augmented reality (AR) has gained increasingly attention from both research and industry communities. By overlaying digital information and content onto the physical world, AR enab…

cs.RO2021★ 3 cited

Compact 3D Map-Based Monocular Localization Using Semantic Edge Alignment

Kejie Qiu, Shenzhou Chen, Jiahui Zhang +4

Accurate localization is fundamental to a variety of applications, such as navigation, robotics, autonomous driving, and Augmented Reality (AR). Different from incremental localiza…

cs.CV2021★ 2 cited

DRO: Deep Recurrent Optimizer for Video to Depth

Xiaodong Gu, Weihao Yuan, Zuozhuo Dai +4

There are increasing interests of studying the video-to-depth (V2D) problem with machine learning techniques. While earlier methods directly learn a mapping from images to depth ma…

cs.RO2021

Single-Shot is Enough: Panoramic Infrastructure Based Calibration of Multiple Cameras and 3D LiDARs

Chuan Fang, Shuai Ding, Zilong Dong +3

The integration of multiple cameras and 3D Li- DARs has become basic configuration of augmented reality devices, robotics, and autonomous vehicles. The calibration of multi-modal s…

cs.CV2021★ 59 cited

Cluster Contrast for Unsupervised Person Re-Identification

Zuozhuo Dai, Guangyuan Wang, Weihao Yuan +3

State-of-the-art unsupervised re-ID methods train the neural networks using a memory-based non-parametric softmax loss. Instance feature vectors stored in memory are assigned pseud…

cs.CV2018★ 23 cited

Batch DropBlock Network for Person Re-identification and Beyond

Zuozhuo Dai, Mingqiang Chen, Xiaodong Gu +2

Since the person re-identification task often suffers from the problem of pose changes and occlusions, some attentive local features are often suppressed when training CNNs. In thi…