activity
20172026
most citedGeoDesc: Learning Local Descriptors by Integrating Geometry Constraints

201 citations · 592 across the 23 of their papers we have counts for

collaborators

23 papers

cs.CV2026

Learning 3D Reconstruction with Priors in Test Time

Lei Zhou, Haoyu Wu, Akshat Dave +1

We introduce a test-time framework for multiview Transformers (MVTs) that incorporates priors (e.g., camera poses, intrinsics, and depth) to improve 3D tasks without retraining or…

cs.CV2022★ 6 cited

ASpanFormer: Detector-Free Image Matching with Adaptive Span Transformer

Hongkai Chen, Zixin Luo, Lei Zhou +6

Generating robust and reliable correspondences across images is a fundamental task for a diversity of applications. To capture context at both global and local granularity, we prop…

cs.CV2021

Learning to Match Features with Seeded Graph Matching Network

Hongkai Chen, Zixin Luo, Jiahui Zhang +5

Matching local features across images is a fundamental problem in computer vision. Targeting towards high accuracy and efficiency, we propose Seeded Graph Matching Network, a graph…

cs.CV2021★ 17 cited

PointDSC: Robust Point Cloud Registration using Deep Spatial Consistency

Xuyang Bai, Zixin Luo, Lei Zhou +5

Removing outlier correspondences is one of the critical steps for successful feature-based point cloud registration. Despite the increasing popularity of introducing deep learning…

cs.CV2020★ 3 cited

Learning Discriminative Feature with CRF for Unsupervised Video Object Segmentation

Mingmin Zhen, Shiwei Li, Lei Zhou +4

In this paper, we introduce a novel network, called discriminative feature network (DFNet), to address the unsupervised video object segmentation task. To capture the inherent corr…

cs.CV2020★ 3 cited

Stochastic Bundle Adjustment for Efficient and Scalable 3D Reconstruction

Lei Zhou, Zixin Luo, Mingmin Zhen +5

Current bundle adjustment solvers such as the Levenberg-Marquardt (LM) algorithm are limited by the bottleneck in solving the Reduced Camera System (RCS) whose dimension is proport…

cs.CV2020★ 10 cited

Self-Supervised Monocular 3D Face Reconstruction by Occlusion-Aware Multi-view Geometry Consistency

Jiaxiang Shang, Tianwei Shen, Shiwei Li +4

Recent learning-based approaches, in which models are trained by single-view images have shown promising results for monocular 3D face reconstruction, but they suffer from the ill-…

eess.IV2020★ 3 cited

End-to-end Optimized Video Compression with MV-Residual Prediction

XiangJi Wu, Ziwen Zhang, Jie Feng +2

We present an end-to-end trainable framework for P-frame compression in this paper. A joint motion vector (MV) and residual prediction network MV-Residual is designed to extract th…

cs.CV2020★ 22 cited

ASLFeat: Learning Local Features of Accurate Shape and Localization

Zixin Luo, Lei Zhou, Xuyang Bai +6

This work focuses on mitigating two limitations in the joint learning of local feature detectors and descriptors. First, the ability to estimate the local shape (scale, orientation…

cs.CV2020★ 18 cited

Joint Semantic Segmentation and Boundary Detection using Iterative Pyramid Contexts

Mingmin Zhen, Jinglu Wang, Lei Zhou +5

In this paper, we present a joint multi-task learning framework for semantic segmentation and boundary detection. The critical component in the framework is the iterative pyramid c…

cs.CV2020★ 3 cited

KFNet: Learning Temporal Camera Relocalization using Kalman Filtering

Lei Zhou, Zixin Luo, Tianwei Shen +5

Temporal camera relocalization estimates the pose with respect to each video frame in sequence, as opposed to one-shot relocalization which focuses on a still image. Even though th…

cs.CV2020★ 27 cited

D3Feat: Joint Learning of Dense Detection and Description of 3D Local Features

Xuyang Bai, Zixin Luo, Lei Zhou +3

A successful point cloud registration often lies on robust establishment of sparse matches through discriminative 3D local features. Despite the fast evolution of learning-based 3D…

cs.CV2019★ 22 cited

BlendedMVS: A Large-scale Dataset for Generalized Multi-view Stereo Networks

Yao Yao, Zixin Luo, Shiwei Li +5

While deep learning has recently achieved great success on multi-view stereo (MVS), limited training data makes the trained model hard to be generalized to unseen scenarios. Compar…

cs.CV2019★ 2 cited

Self-Supervised Learning of Depth and Motion Under Photometric Inconsistency

Tianwei Shen, Lei Zhou, Zixin Luo +5

The self-supervised learning of depth and pose from monocular sequences provides an attractive solution by using the photometric consistency of nearby frames as it depends much les…

cs.CV2019★ 54 cited

Learning Two-View Correspondences and Geometry Using Order-Aware Network

Jiahui Zhang, Dawei Sun, Zixin Luo +6

Establishing correspondences between two images requires both local and global spatial context. Given putative correspondences of feature points in two views, in this paper, we pro…

cs.CV2019★ 22 cited

ContextDesc: Local Descriptor Augmentation with Cross-Modality Context

Zixin Luo, Tianwei Shen, Lei Zhou +5

Most existing studies on learning local features focus on the patch-based descriptions of individual keypoints, whereas neglecting the spatial relations established from their keyp…

cs.CV2019★ 6 cited

Beyond Photometric Loss for Self-Supervised Ego-Motion Estimation

Tianwei Shen, Zixin Luo, Lei Zhou +4

Accurate relative pose is one of the key components in visual odometry (VO) and simultaneous localization and mapping (SLAM). Recently, the self-supervised learning framework that…

cs.CV2018★ 9 cited

Matchable Image Retrieval by Learning from Surface Reconstruction

Tianwei Shen, Zixin Luo, Lei Zhou +4

Convolutional Neural Networks (CNNs) have achieved superior performance on object image retrieval, while Bag-of-Words (BoW) models with handcrafted local features still dominate th…

cs.AI2018★ 61 cited

End-to-end Structure-Aware Convolutional Networks for Knowledge Base Completion

Chao Shang, Yun Tang, Jing Huang +3

Knowledge graph embedding has been an active research topic for knowledge base completion, with progressive improvement from the initial TransE, TransH, DistMult et al to the curre…

cs.CV2018★ 201 cited

GeoDesc: Learning Local Descriptors by Integrating Geometry Constraints

Zixin Luo, Tianwei Shen, Lei Zhou +5

Learned local descriptors based on Convolutional Neural Networks (CNNs) have achieved significant improvements on patch-based benchmarks, whereas not having demonstrated strong gen…

cs.CV2018★ 31 cited

Learning and Matching Multi-View Descriptors for Registration of Point Clouds

Lei Zhou, Siyu Zhu, Zixin Luo +5

Critical to the registration of point clouds is the establishment of a set of accurate correspondences between points in 3D space. The correspondence problem is generally addressed…

cs.CV2017★ 32 cited

Face Parsing via a Fully-Convolutional Continuous CRF Neural Network

Lei Zhou, Zhi Liu, Xiangjian He

In this work, we address the face parsing task with a Fully-Convolutional continuous CRF Neural Network (FC-CNN) architecture. In contrast to previous face parsing methods that app…

cs.CV2017★ 40 cited

Parallel Structure from Motion from Local Increment to Global Averaging

Siyu Zhu, Tianwei Shen, Lei Zhou +4

In this paper, we tackle the accurate and consistent Structure from Motion (SfM) problem, in particular camera registration, far exceeding the memory of a single computer in parall…