Search Results for author: Gangwei Xu

Found 9 papers, 6 papers with code

HDRFlow: Real-Time HDR Video Reconstruction with Large Motions

no code implementations6 Mar 2024 Gangwei Xu, Yujin Wang, Jinwei Gu, Tianfan Xue, Xin Yang

HDRFlow has three novel designs: an HDR-domain alignment loss (HALoss), an efficient flow network with a multi-size large kernel (MLK), and a new HDR flow training scheme.

Optical Flow Estimation Video Reconstruction

Selective-Stereo: Adaptive Frequency Information Selection for Stereo Matching

1 code implementation1 Mar 2024 Xianqi Wang, Gangwei Xu, Hao Jia, Xin Yang

Stereo matching methods based on iterative optimization, like RAFT-Stereo and IGEV-Stereo, have evolved into a cornerstone in the field of stereo matching.

Stereo Matching

FlowDA: Unsupervised Domain Adaptive Framework for Optical Flow Estimation

no code implementations28 Dec 2023 Miaojie Feng, Longliang Liu, Hao Jia, Gangwei Xu, Xin Yang

This paper introduces FlowDA, an unsupervised domain adaptive (UDA) framework for optical flow estimation.

Optical Flow Estimation

Memory-Efficient Optical Flow via Radius-Distribution Orthogonal Cost Volume

no code implementations6 Dec 2023 Gangwei Xu, Shujun Chen, Hao Jia, Miaojie Feng, Xin Yang

The full 4D cost volume in Recurrent All-Pairs Field Transforms (RAFT) or global matching by Transformer achieves impressive performance for optical flow estimation.

4k Optical Flow Estimation

MC-Stereo: Multi-peak Lookup and Cascade Search Range for Stereo Matching

1 code implementation4 Nov 2023 Miaojie Feng, Junda Cheng, Hao Jia, Longliang Liu, Gangwei Xu, Qingyong Hu, Xin Yang

This architecture mitigates the multi-peak distribution problem in matching through the multi-peak lookup strategy, and integrates the coarse-to-fine concept into the iterative framework via the cascade search range.

Representation Learning Stereo Matching

Iterative Geometry Encoding Volume for Stereo Matching

1 code implementation CVPR 2023 Gangwei Xu, Xianqi Wang, Xiaohuan Ding, Xin Yang

The proposed IGEV-Stereo builds a combined geometry encoding volume that encodes geometry and context information as well as local matching details, and iteratively indexes it to update the disparity map.

Stereo Matching

CGI-Stereo: Accurate and Real-Time Stereo Matching via Context and Geometry Interaction

1 code implementation7 Jan 2023 Gangwei Xu, Huan Zhou, Xin Yang

In this paper, we propose CGI-Stereo, a novel neural network architecture that can concurrently achieve real-time performance, competitive accuracy, and strong generalization ability.

Stereo Matching

Accurate and Efficient Stereo Matching via Attention Concatenation Volume

3 code implementations23 Sep 2022 Gangwei Xu, Yun Wang, Junda Cheng, Jinhui Tang, Xin Yang

In this paper, we present a novel cost volume construction method, named attention concatenation volume (ACV), which generates attention weights from correlation clues to suppress redundant information and enhance matching-related information in the concatenation volume.

Stereo Matching

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