Search Results for author: Pingyang Dai

Found 16 papers, 3 papers with code

Prompt Decoupling for Text-to-Image Person Re-identification

no code implementations4 Jan 2024 Weihao Li, Lei Tan, Pingyang Dai, Yan Zhang

In the first stage, we freeze the two encoders from CLIP and solely focus on optimizing the prompts to alleviate domain gap between the original training data of CLIP and downstream tasks.

Domain Adaptation Person Re-Identification

Adaptive Feature Selection for No-Reference Image Quality Assessment using Contrastive Mitigating Semantic Noise Sensitivity

no code implementations11 Dec 2023 Xudong Li, Timin Gao, Xiawu Zheng, Runze Hu, Jingyuan Zheng, Yunhang Shen, Ke Li, Yutao Liu, Pingyang Dai, Yan Zhang, Rongrong Ji

The current state-of-the-art No-Reference Image Quality Assessment (NR-IQA) methods typically use feature extraction in upstream backbone networks, which assumes that all extracted features are relevant.

Contrastive Learning feature selection +2

Less is More: Learning Reference Knowledge Using No-Reference Image Quality Assessment

no code implementations1 Dec 2023 Xudong Li, Jingyuan Zheng, Xiawu Zheng, Runze Hu, Enwei Zhang, Yuting Gao, Yunhang Shen, Ke Li, Yutao Liu, Pingyang Dai, Yan Zhang, Rongrong Ji

Concretely, by innovatively introducing a novel feature distillation method in IQA, we propose a new framework to learn comparative knowledge from non-aligned reference images.

Inductive Bias No-Reference Image Quality Assessment +1

Approximated Prompt Tuning for Vision-Language Pre-trained Models

no code implementations27 Jun 2023 Qiong Wu, Shubin Huang, Yiyi Zhou, Pingyang Dai, Annan Shu, Guannan Jiang, Rongrong Ji

Prompt tuning is a parameter-efficient way to deploy large-scale pre-trained models to downstream tasks by adding task-specific tokens.

Image Classification Text-to-Image Generation +1

Attention Disturbance and Dual-Path Constraint Network for Occluded Person Re-identification

no code implementations20 Mar 2023 Jiaer Xia, Lei Tan, Pingyang Dai, Mingbo Zhao, Yongjian Wu, Liujuan Cao

To address this issue, we propose a novel transformer-based Attention Disturbance and Dual-Path Constraint Network (ADP) to enhance the generalization of attention networks.

Person Re-Identification

Spectral Aware Softmax for Visible-Infrared Person Re-Identification

no code implementations3 Feb 2023 Lei Tan, Pingyang Dai, Qixiang Ye, Mingliang Xu, Yongjian Wu, Rongrong Ji

Based on the observation and analysis of SA-Softmax, we modify the SA-Softmax with the Feature Mask and Absolute-Similarity Term to alleviate the ambiguous optimization during model training.

Person Re-Identification

Exploring Invariant Representation for Visible-Infrared Person Re-Identification

no code implementations2 Feb 2023 Lei Tan, Yukang Zhang, ShengMei Shen, Yan Wang, Pingyang Dai, Xianming Lin, Yongjian Wu, Rongrong Ji

Cross-spectral person re-identification, which aims to associate identities to pedestrians across different spectra, faces a main challenge of the modality discrepancy.

Data Augmentation Person Re-Identification

CycleTrans: Learning Neutral yet Discriminative Features for Visible-Infrared Person Re-Identification

no code implementations21 Aug 2022 Qiong Wu, Jiaer Xia, Pingyang Dai, Yiyi Zhou, Yongjian Wu, Rongrong Ji

Visible-infrared person re-identification (VI-ReID) is a task of matching the same individuals across the visible and infrared modalities.

Person Re-Identification

Dynamic Prototype Mask for Occluded Person Re-Identification

1 code implementation19 Jul 2022 Lei Tan, Pingyang Dai, Rongrong Ji, Yongjian Wu

Although person re-identification has achieved an impressive improvement in recent years, the common occlusion case caused by different obstacles is still an unsettled issue in real application scenarios.

Person Re-Identification

Discover Cross-Modality Nuances for Visible-Infrared Person Re-Identification

1 code implementation CVPR 2021 Qiong Wu, Pingyang Dai, Jie Chen, Chia-Wen Lin, Yongjian Wu, Feiyue Huang, Bineng Zhong, Rongrong Ji

In this paper, we propose a joint Modality and Pattern Alignment Network (MPANet) to discover cross-modality nuances in different patterns for visible-infrared person Re-ID, which introduces a modality alleviation module and a pattern alignment module to jointly extract discriminative features.

Person Re-Identification

Dual Distribution Alignment Network for Generalizable Person Re-Identification

1 code implementation27 Jul 2020 Peixian Chen, Pingyang Dai, Jianzhuang Liu, Feng Zheng, Qi Tian, Rongrong Ji

Domain generalization (DG) serves as a promising solution to handle person Re-Identification (Re-ID), which trains the model using labels from the source domain alone, and then directly adopts the trained model to the target domain without model updating.

Domain Generalization Generalizable Person Re-identification

Video-based Person Re-identification with Two-stream Convolutional Network and Co-attentive Snippet Embedding

no code implementations28 May 2019 Peixian Chen, Pingyang Dai, Qiong Wu, Yuyu Huang

Recently, the applications of person re-identification in visual surveillance and human-computer interaction are sharply increasing, which signifies the critical role of such a problem.

Optical Flow Estimation Video-Based Person Re-Identification

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