Search Results for author: Zhenyao Wu

Found 13 papers, 8 papers with code

Few-Shot 3D Point Cloud Semantic Segmentation via Stratified Class-Specific Attention Based Transformer Network

1 code implementation28 Mar 2023 Canyu Zhang, Zhenyao Wu, Xinyi Wu, Ziyu Zhao, Song Wang

While a few-shot learning method was proposed recently to address these two problems, it suffers from high computational complexity caused by graph construction and inability to learn fine-grained relationships among points due to the use of pooling operations.

Few-shot 3D Point Cloud Semantic Segmentation Few-Shot Learning +4

Parametric Surface Constrained Upsampler Network for Point Cloud

1 code implementation14 Mar 2023 Pingping Cai, Zhenyao Wu, Xinyi Wu, Song Wang

Designing a point cloud upsampler, which aims to generate a clean and dense point cloud given a sparse point representation, is a fundamental and challenging problem in computer vision.

Point Cloud Completion point cloud upsampling

Cross-domain Few-shot Segmentation with Transductive Fine-tuning

no code implementations27 Nov 2022 Yuhang Lu, Xinyi Wu, Zhenyao Wu, Song Wang

Few-shot segmentation (FSS) expects models trained on base classes to work on novel classes with the help of a few support images.

Cross-Domain Few-Shot

Style-Guided Shadow Removal

1 code implementation ECCV 2022 Jin Wan, Hui Yin, Zhenyao Wu, Xinyi Wu, Yanting Liu, Song Wang

To address this problem, we propose a style-guided shadow removal network (SG-ShadowNet) for better image-style consistency after shadow removal.

Image Restoration Shadow Removal

CRFormer: A Cross-Region Transformer for Shadow Removal

no code implementations4 Jul 2022 Jin Wan, Hui Yin, Zhenyao Wu, Xinyi Wu, Zhihao Liu, Song Wang

Aiming to restore the original intensity of shadow regions in an image and make them compatible with the remaining non-shadow regions without a trace, shadow removal is a very challenging problem that benefits many downstream image/video-related tasks.

Shadow Removal

Style Mixing and Patchwise Prototypical Matching for One-Shot Unsupervised Domain Adaptive Semantic Segmentation

1 code implementation9 Dec 2021 Xinyi Wu, Zhenyao Wu, Yuhang Lu, Lili Ju, Song Wang

In this paper, we tackle the problem of one-shot unsupervised domain adaptation (OSUDA) for semantic segmentation where the segmentors only see one unlabeled target image during training.

One-shot Unsupervised Domain Adaptation Semantic Segmentation +2

ATLANTIS: A Benchmark for Semantic Segmentation of Waterbody Images

1 code implementation22 Nov 2021 Seyed Mohammad Hassan Erfani, Zhenyao Wu, Xinyi Wu, Song Wang, Erfan Goharian

We claim that ATLANTIS is the largest waterbody image dataset for semantic segmentation providing a wide range of water and water-related classes and it will benefit researchers of both computer vision and water resources engineering.

Segmentation Semantic Segmentation

DANNet: A One-Stage Domain Adaptation Network for Unsupervised Nighttime Semantic Segmentation

1 code implementation CVPR 2021 Xinyi Wu, Zhenyao Wu, Hao Guo, Lili Ju, Song Wang

We further design a re-weighting strategy to handle the inaccuracy caused by misalignment between day-night image pairs and wrong predictions of daytime images, as well as boost the prediction accuracy of small objects.

Autonomous Driving Domain Adaptation +2

From Shadow Generation to Shadow Removal

1 code implementation CVPR 2021 Zhihao Liu, Hui Yin, Xinyi Wu, Zhenyao Wu, Yang Mi, Song Wang

Shadow removal is a computer-vision task that aims to restore the image content in shadow regions.

Shadow Removal

Semantic Stereo Matching With Pyramid Cost Volumes

no code implementations ICCV 2019 Zhenyao Wu, Xinyi Wu, Xiaoping Zhang, Song Wang, Lili Ju

To further capture the details of disparity maps, in this paper, we propose a novel semantic stereo network named SSPCV-Net, which includes newly designed pyramid cost volumes for describing semantic and spatial information on multiple levels.

Semantic Segmentation Stereo Matching

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