Search Results for author: Hengkai Guo

Found 15 papers, 3 papers with code

Lazy Visual Localization via Motion Averaging

no code implementations19 Jul 2023 Siyan Dong, Shaohui Liu, Hengkai Guo, Baoquan Chen, Marc Pollefeys

Visual (re)localization is critical for various applications in computer vision and robotics.

Visual Localization

ParticleSfM: Exploiting Dense Point Trajectories for Localizing Moving Cameras in the Wild

1 code implementation19 Jul 2022 Wang Zhao, Shaohui Liu, Hengkai Guo, Wenping Wang, Yong-Jin Liu

In addition, our method is able to retain reasonable accuracy of camera poses on fully static scenes, which consistently outperforms strong state-of-the-art dense correspondence based methods with end-to-end deep learning, demonstrating the potential of dense indirect methods based on optical flow and point trajectories.

Motion Segmentation Optical Flow Estimation +1

A Confidence-based Iterative Solver of Depths and Surface Normals for Deep Multi-view Stereo

1 code implementation ICCV 2021 Wang Zhao, Shaohui Liu, Yi Wei, Hengkai Guo, Yong-Jin Liu

Experimental results on ScanNet and RGB-D Scenes V2 demonstrate state-of-the-art performance of the proposed deep MVS system on multi-view depth estimation, with our proposed solver consistently improving the depth quality over both conventional and deep learning based MVS pipelines.

Depth Estimation

An Empirical Study of Propagation-based Methods for Video Object Segmentation

no code implementations30 Jul 2019 Hengkai Guo, Wenji Wang, Guanjun Guo, Huaxia Li, Jiachen Liu, Qian He, Xuefeng Xiao

While propagation-based approaches have achieved state-of-the-art performance for video object segmentation, the literature lacks a fair comparison of different methods using the same settings.

Object Semantic Segmentation +2

Two-Stream Binocular Network: Accurate Near Field Finger Detection Based On Binocular Images

no code implementations26 Apr 2018 Yi Wei, Guijin Wang, Cairong Zhang, Hengkai Guo, Xinghao Chen, Huazhong Yang

Different from previous works, we propose a new framework, named Two-Stream Binocular Network (TSBnet) to detect fingertips from binocular images directly.

Fingertip Detection Hand Pose Estimation

Interactive Hand Pose Estimation: Boosting accuracy in localizing extended finger joints

no code implementations2 Apr 2018 Cairong Zhang, Guijin Wang, Hengkai Guo, Xinghao Chen, Fei Qiao, Huazhong Yang

In the reality of HMI, joints in fingers stretching out, especially corresponding fingertips, are much more important than other joints.

3D Hand Pose Estimation

Pose Guided Structured Region Ensemble Network for Cascaded Hand Pose Estimation

1 code implementation11 Aug 2017 Xinghao Chen, Guijin Wang, Hengkai Guo, Cairong Zhang

The proposed method extracts regions from the feature maps of convolutional neural network under the guide of an initially estimated pose, generating more optimal and representative features for hand pose estimation.

Hand Pose Estimation

Towards Good Practices for Deep 3D Hand Pose Estimation

no code implementations23 Jul 2017 Hengkai Guo, Guijin Wang, Xinghao Chen, Cairong Zhang

3D hand pose estimation from single depth image is an important and challenging problem for human-computer interaction.

3D Hand Pose Estimation Data Augmentation +1

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