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Text-based Person Retrieval (TPR) as a multi-modal task, which aims to retrieve the target person from a pool of candidate images given a text description, has recently garnered considerable attention due to the progress of contrastive…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Yating Liu , Yaowei Li , Xiangyuan Lan , Wenming Yang , Zimo Liu , Qingmin Liao

Multimodal representation learning, exemplified by multimodal contrastive learning (MMCL) using image-text pairs, aims to learn powerful representations by aligning cues across modalities. This approach relies on the core assumption that…

机器学习 · 计算机科学 2025-09-29 Yichao Cai , Yuhang Liu , Erdun Gao , Tianjiao Jiang , Zhen Zhang , Anton van den Hengel , Javen Qinfeng Shi

Unsupervised Re-ID methods aim at learning robust and discriminative features from unlabeled data. However, existing methods often ignore the relationship between module parameters of Re-ID framework and feature distributions, which may…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Ziqi He , Mengjia Xue , Yunhao Du , Zhicheng Zhao , Fei Su

Contrastive language-image Pre-training (CLIP) [13] can leverage large datasets of unlabeled Image-Text pairs, which have demonstrated impressive performance in various downstream tasks. Given that annotating medical data is time-consuming…

图像与视频处理 · 电气工程与系统科学 2023-07-13 Yuhao Wang

Weakly Supervised Semantic Segmentation (WSSS), which leverages image-level labels, has garnered significant attention due to its cost-effectiveness. The previous methods mainly strengthen the inter-class differences to avoid class semantic…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Wangyu Wu , Xianglin Qiu , Siqi Song , Xiaowei Huang , Fei Ma , Jimin Xiao

Many previous methods on text-based person retrieval tasks are devoted to learning a latent common space mapping, with the purpose of extracting modality-invariant features from both visual and textual modality. Nevertheless, due to the…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Aichun Zhu , Zijie Wang , Yifeng Li , Xili Wan , Jing Jin , Tian Wang , Fangqiang Hu , Gang Hua

As advanced image manipulation techniques emerge, detecting the manipulation becomes increasingly important. Despite the success of recent learning-based approaches for image manipulation detection, they typically require expensive…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yuanhao Zhai , Tianyu Luan , David Doermann , Junsong Yuan

Most video-and-language representation learning approaches employ contrastive learning, e.g., CLIP, to project the video and text features into a common latent space according to the semantic similarities of text-video pairs. However, such…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Peng Jin , Jinfa Huang , Fenglin Liu , Xian Wu , Shen Ge , Guoli Song , David A. Clifton , Jie Chen

Text-based person anomaly retrieval has emerged as a challenging task, with most existing approaches relying on complex deep-learning techniques. This raises a research question: How can the model be optimized to achieve greater…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Tien-Huy Nguyen , Huu-Loc Tran , Huu-Phong Phan-Nguyen , Quang-Vinh Dinh

The recent advancements in generative language models have demonstrated their ability to memorize knowledge from documents and recall knowledge to respond to user queries effectively. Building upon this capability, we propose to enable…

多媒体 · 计算机科学 2024-02-19 Yongqi Li , Wenjie Wang , Leigang Qu , Liqiang Nie , Wenjie Li , Tat-Seng Chua

Recently, many approaches tackle the Unsupervised Domain Adaptive person re-identification (UDA re-ID) problem through pseudo-label-based contrastive learning. During training, a uni-centroid representation is obtained by simply averaging…

计算机视觉与模式识别 · 计算机科学 2021-12-23 Yuhang Wu , Tengteng Huang , Haotian Yao , Chi Zhang , Yuanjie Shao , Chuchu Han , Changxin Gao , Nong Sang

Prohibited item detection based on X-ray images is one of the most effective security inspection methods. However, the foreground-background feature coupling caused by the overlapping phenomenon specific to X-ray images makes general…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Mingyuan Li , Tong Jia , Hao Wang , Bowen Ma , Hui Lu , Shiyi Guo , Da Cai , Dongyue Chen

Recently, large-scale visual language pre-trained (VLP) models have demonstrated impressive performance across various downstream tasks. Motivated by these advancements, pioneering efforts have emerged in multi-label image recognition with…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Leilei Ma , Hongxing Xie , Lei Wang , Yanping Fu , Dengdi Sun , Haifeng Zhao

Existed pre-training methods either focus on single-modal tasks or multi-modal tasks, and cannot effectively adapt to each other. They can only utilize single-modal data (i.e. text or image) or limited multi-modal data (i.e. image-text…

计算与语言 · 计算机科学 2022-03-15 Wei Li , Can Gao , Guocheng Niu , Xinyan Xiao , Hao Liu , Jiachen Liu , Hua Wu , Haifeng Wang

We present Cycle-Contrastive Learning (CCL), a novel self-supervised method for learning video representation. Following a nature that there is a belong and inclusion relation of video and its frames, CCL is designed to find correspondences…

计算机视觉与模式识别 · 计算机科学 2020-10-29 Quan Kong , Wenpeng Wei , Ziwei Deng , Tomoaki Yoshinaga , Tomokazu Murakami

Cross-lingual cross-modal retrieval has garnered increasing attention recently, which aims to achieve the alignment between vision and target language (V-T) without using any annotated V-T data pairs. Current methods employ machine…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yabing Wang , Fan Wang , Jianfeng Dong , Hao Luo

Weakly Supervised Object Detection (WSOD), using only image-level annotations to train object detectors, is of growing importance in object recognition. In this paper, we propose a novel deep network for WSOD. Unlike previous networks that…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Peng Tang , Xinggang Wang , Song Bai , Wei Shen , Xiang Bai , Wenyu Liu , Alan Yuille

Contrastive language-image pre-training (CLIP) has demonstrated remarkable zero-shot classification ability, namely image classification using novel text labels. Existing works have attempted to enhance CLIP by fine-tuning on downstream…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Seongha Eom , Namgyu Ho , Jaehoon Oh , Se-Young Yun

Contrastive learning (CL) methods effectively learn data representations in a self-supervision manner, where the encoder contrasts each positive sample over multiple negative samples via a one-vs-many softmax cross-entropy loss. By…

Contrastive Language-Image Pre-training (CLIP) has demonstrated strong generalization across a wide range of visual tasks by leveraging large-scale English-image pairs. However, its extension to low-resource languages remains limited due to…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Dahyun Chung , Donghyun Shin , Yujin Sung , Seunggi Moon , Jinwoo Jeon , Byung-Jun Lee