Search Results for author: Wei Zhai

Found 32 papers, 21 papers with code

SOS-1K: A Fine-grained Suicide Risk Classification Dataset for Chinese Social Media Analysis

no code implementations19 Apr 2024 Hongzhi Qi, Hanfei Liu, Jianqiang Li, Qing Zhao, Wei Zhai, Dan Luo, Tian Yu He, Shuo Liu, Bing Xiang Yang, Guanghui Fu

Seven pre-trained models were evaluated in two tasks: high and low suicide risk, and fine-grained suicide risk classification on a level of 0 to 10.

Data Augmentation Language Modelling +1

MambaPupil: Bidirectional Selective Recurrent model for Event-based Eye tracking

no code implementations18 Apr 2024 Zhong Wang, Zengyu Wan, Han Han, Bohao Liao, Yuliang Wu, Wei Zhai, Yang Cao, Zheng-Jun Zha

Event-based eye tracking has shown great promise with the high temporal resolution and low redundancy provided by the event camera.

Data Augmentation

AI-Enhanced Cognitive Behavioral Therapy: Deep Learning and Large Language Models for Extracting Cognitive Pathways from Social Media Texts

no code implementations17 Apr 2024 Meng Jiang, Yi Jing Yu, Qing Zhao, Jianqiang Li, Changwei Song, Hongzhi Qi, Wei Zhai, Dan Luo, Xiaoqin Wang, Guanghui Fu, Bing Xiang Yang

Cognitive Behavioral Therapy (CBT) is an effective technique for addressing the irrational thoughts stemming from mental illnesses, but it necessitates precise identification of cognitive pathways to be successfully implemented in patient care.

Hallucination text-classification +2

The Ninth NTIRE 2024 Efficient Super-Resolution Challenge Report

1 code implementation16 Apr 2024 Bin Ren, Nancy Mehta, Radu Timofte, Hongyuan Yu, Cheng Wan, Yuxin Hong, Bingnan Han, Zhuoyuan Wu, Yajun Zou, Yuqing Liu, Jizhe Li, Keji He, Chao Fan, Heng Zhang, Xiaolin Zhang, Xuanwu Yin, Kunlong Zuo, Bohao Liao, Peizhe Xia, Long Peng, Zhibo Du, Xin Di, Wangkai Li, Yang Wang, Wei Zhai, Renjing Pei, Jiaming Guo, Songcen Xu, Yang Cao, ZhengJun Zha, Yan Wang, Yi Liu, Qing Wang, Gang Zhang, Liou Zhang, Shijie Zhao, Long Sun, Jinshan Pan, Jiangxin Dong, Jinhui Tang, Xin Liu, Min Yan, Menghan Zhou, Yiqiang Yan, Yixuan Liu, Wensong Chan, Dehua Tang, Dong Zhou, Li Wang, Lu Tian, Barsoum Emad, Bohan Jia, Junbo Qiao, Yunshuai Zhou, Yun Zhang, Wei Li, Shaohui Lin, Shenglong Zhou, Binbin Chen, Jincheng Liao, Suiyi Zhao, Zhao Zhang, Bo wang, Yan Luo, Yanyan Wei, Feng Li, Mingshen Wang, Yawei Li, Jinhan Guan, Dehua Hu, Jiawei Yu, Qisheng Xu, Tao Sun, Long Lan, Kele Xu, Xin Lin, Jingtong Yue, Lehan Yang, Shiyi Du, Lu Qi, Chao Ren, Zeyu Han, YuHan Wang, Chaolin Chen, Haobo Li, Mingjun Zheng, Zhongbao Yang, Lianhong Song, Xingzhuo Yan, Minghan Fu, Jingyi Zhang, Baiang Li, Qi Zhu, Xiaogang Xu, Dan Guo, Chunle Guo, Jiadi Chen, Huanhuan Long, Chunjiang Duanmu, Xiaoyan Lei, Jie Liu, Weilin Jia, Weifeng Cao, Wenlong Zhang, Yanyu Mao, Ruilong Guo, Nihao Zhang, Qian Wang, Manoj Pandey, Maksym Chernozhukov, Giang Le, Shuli Cheng, Hongyuan Wang, Ziyan Wei, Qingting Tang, Liejun Wang, Yongming Li, Yanhui Guo, Hao Xu, Akram Khatami-Rizi, Ahmad Mahmoudi-Aznaveh, Chih-Chung Hsu, Chia-Ming Lee, Yi-Shiuan Chou, Amogh Joshi, Nikhil Akalwadi, Sampada Malagi, Palani Yashaswini, Chaitra Desai, Ramesh Ashok Tabib, Ujwala Patil, Uma Mudenagudi

In sub-track 1, the practical runtime performance of the submissions was evaluated, and the corresponding score was used to determine the ranking.

Image Super-Resolution

Intention-driven Ego-to-Exo Video Generation

no code implementations14 Mar 2024 Hongchen Luo, Kai Zhu, Wei Zhai, Yang Cao

Finally, the inferred human movement and high-level action descriptions jointly guide the generation of exocentric motion and interaction content (i. e., corresponding optical flow and occlusion maps) in the backward process of the diffusion model, ultimately warping them into the corresponding exocentric video.

Optical Flow Estimation Stereo Matching +1

Event-based Asynchronous HDR Imaging by Temporal Incident Light Modulation

no code implementations14 Mar 2024 Yuliang Wu, Ganchao Tan, Jinze Chen, Wei Zhai, Yang Cao, Zheng-Jun Zha

In this paper, we propose AsynHDR, a Pixel-Asynchronous HDR imaging system, based on key insights into the challenges in HDR imaging and the unique event-generating mechanism of Dynamic Vision Sensors (DVS).

Chinese MentalBERT: Domain-Adaptive Pre-training on Social Media for Chinese Mental Health Text Analysis

1 code implementation14 Feb 2024 Wei Zhai, Hongzhi Qi, Qing Zhao, Jianqiang Li, Ziqi Wang, Han Wang, Bing Xiang Yang, Guanghui Fu

To address this, we have collected a huge dataset from Chinese social media platforms and enriched it with publicly available datasets to create a comprehensive database encompassing 3. 36 million text entries.

Language Modelling

LEMON: Learning 3D Human-Object Interaction Relation from 2D Images

no code implementations14 Dec 2023 Yuhang Yang, Wei Zhai, Hongchen Luo, Yang Cao, Zheng-Jun Zha

Which underexploit certain correlations between the interaction counterparts (human and object), and struggle to address the uncertainty in interactions.

Human-Object Interaction Detection Object +1

Likelihood-Aware Semantic Alignment for Full-Spectrum Out-of-Distribution Detection

1 code implementation4 Dec 2023 Fan Lu, Kai Zhu, Kecheng Zheng, Wei Zhai, Yang Cao

Full-spectrum out-of-distribution (F-OOD) detection aims to accurately recognize in-distribution (ID) samples while encountering semantic and covariate shifts simultaneously.

Out-of-Distribution Detection

Background Activation Suppression for Weakly Supervised Object Localization and Semantic Segmentation

2 code implementations22 Sep 2023 Wei Zhai, Pingyu Wu, Kai Zhu, Yang Cao, Feng Wu, Zheng-Jun Zha

In addition, our method also achieves state-of-the-art weakly supervised semantic segmentation performance on the PASCAL VOC 2012 and MS COCO 2014 datasets.

Object Weakly-Supervised Object Localization +2

Spatial-Aware Token for Weakly Supervised Object Localization

1 code implementation ICCV 2023 Pingyu Wu, Wei Zhai, Yang Cao, Jiebo Luo, Zheng-Jun Zha

Specifically, a spatial token is first introduced in the input space to aggregate representations for localization task.

Object Weakly-Supervised Object Localization

Uncertainty-Aware Optimal Transport for Semantically Coherent Out-of-Distribution Detection

1 code implementation CVPR 2023 Fan Lu, Kai Zhu, Wei Zhai, Kecheng Zheng, Yang Cao

Semantically coherent out-of-distribution (SCOOD) detection aims to discern outliers from the intended data distribution with access to unlabeled extra set.

Out-of-Distribution Detection

Grounding 3D Object Affordance from 2D Interactions in Images

1 code implementation ICCV 2023 Yuhang Yang, Wei Zhai, Hongchen Luo, Yang Cao, Jiebo Luo, Zheng-Jun Zha

Comprehensive experiments on PIAD demonstrate the reliability of the proposed task and the superiority of our method.

Object

Leverage Interactive Affinity for Affordance Learning

1 code implementation CVPR 2023 Hongchen Luo, Wei Zhai, Jing Zhang, Yang Cao, DaCheng Tao

Perceiving potential "action possibilities" (i. e., affordance) regions of images and learning interactive functionalities of objects from human demonstration is a challenging task due to the diversity of human-object interactions.

Human-Object Interaction Detection Object

Grounded Affordance from Exocentric View

2 code implementations28 Aug 2022 Hongchen Luo, Wei Zhai, Jing Zhang, Yang Cao, DaCheng Tao

Due to the diversity of interactive affordance, the uniqueness of different individuals leads to diverse interactions, which makes it difficult to establish an explicit link between object parts and affordance labels.

Human-Object Interaction Detection Object +1

Learning Affordance Grounding from Exocentric Images

2 code implementations CVPR 2022 Hongchen Luo, Wei Zhai, Jing Zhang, Yang Cao, DaCheng Tao

To empower an agent with such ability, this paper proposes a task of affordance grounding from exocentric view, i. e., given exocentric human-object interaction and egocentric object images, learning the affordance knowledge of the object and transferring it to the egocentric image using only the affordance label as supervision.

Human-Object Interaction Detection Object +1

Location-Free Camouflage Generation Network

1 code implementation18 Mar 2022 Yangyang Li, Wei Zhai, Yang Cao, Zheng-Jun Zha

However, these methods struggle in 1) efficiently generating camouflage images using foreground and background with arbitrary structure; 2) camouflaging foreground objects to regions with multiple appearances (e. g. the junction of the vegetation and the mountains), which limit their practical application.

Phrase-Based Affordance Detection via Cyclic Bilateral Interaction

4 code implementations24 Feb 2022 Liangsheng Lu, Wei Zhai, Hongchen Luo, Yu Kang, Yang Cao

In this paper, we explore to perceive affordance from a vision-language perspective and consider the challenging phrase-based affordance detection problem, i. e., given a set of phrases describing the action purposes, all the object regions in a scene with the same affordance should be detected.

Affordance Detection

Background Activation Suppression for Weakly Supervised Object Localization

2 code implementations CVPR 2022 Pingyu Wu, Wei Zhai, Yang Cao

Existing FPM-based methods use cross-entropy (CE) to evaluate the foreground prediction map and to guide the learning of generator.

Object Weakly-Supervised Object Localization

On Exploring and Improving Robustness of Scene Text Detection Models

1 code implementation12 Oct 2021 Shilian Wu, Wei Zhai, Yongrui Li, Kewei Wang, Zengfu Wang

It is crucial to understand the robustness of text detection models with regard to extensive corruptions, since scene text detection techniques have many practical applications.

Region Proposal Scene Text Detection +2

Learning Visual Affordance Grounding from Demonstration Videos

no code implementations12 Aug 2021 Hongchen Luo, Wei Zhai, Jing Zhang, Yang Cao, DaCheng Tao

For the object branch, we introduce a semantic enhancement module (SEM) to make the network focus on different parts of the object according to the action classes and utilize a distillation loss to align the output features of the object branch with that of the video branch and transfer the knowledge in the video branch to the object branch.

Action Recognition Object +1

One-Shot Object Affordance Detection in the Wild

1 code implementation8 Aug 2021 Wei Zhai, Hongchen Luo, Jing Zhang, Yang Cao, DaCheng Tao

To empower robots with this ability in unseen scenarios, we first study the challenging one-shot affordance detection problem in this paper, i. e., given a support image that depicts the action purpose, all objects in a scene with the common affordance should be detected.

Action Recognition Affordance Detection +3

One-Shot Affordance Detection

2 code implementations28 Jun 2021 Hongchen Luo, Wei Zhai, Jing Zhang, Yang Cao, DaCheng Tao

To empower robots with this ability in unseen scenarios, we consider the challenging one-shot affordance detection problem in this paper, i. e., given a support image that depicts the action purpose, all objects in a scene with the common affordance should be detected.

4k Affordance Detection

Deep Structure-Revealed Network for Texture Recognition

no code implementations CVPR 2020 Wei Zhai, Yang Cao, Zheng-Jun Zha, HaiYong Xie, Feng Wu

Next, these primitives are associated with a dependence learning module (DLM) to generate structural representation, in which a two-way collaborative relationship strategy is introduced to perceive the spatial dependencies among multiple primitives.

Semantic Segmentation

Self-Supervised Tuning for Few-Shot Segmentation

no code implementations12 Apr 2020 Kai Zhu, Wei Zhai, Zheng-Jun Zha, Yang Cao

Few-shot segmentation aims at assigning a category label to each image pixel with few annotated samples.

Meta-Learning Segmentation

Deep Multiple-Attribute-Perceived Network for Real-World Texture Recognition

no code implementations ICCV 2019 Wei Zhai, Yang Cao, Jing Zhang, Zheng-Jun Zha

Texture recognition is a challenging visual task as multiple perceptual attributes may be perceived from the same texture image when combined with different spatial context.

Attribute

One-Shot Texture Retrieval with Global Context Metric

no code implementations16 May 2019 Kai Zhu, Wei Zhai, Zheng-Jun Zha, Yang Cao

In this paper, we tackle one-shot texture retrieval: given an example of a new reference texture, detect and segment all the pixels of the same texture category within an arbitrary image.

Relation Relation Network +2

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