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Medical vision-language pretraining (VLP) models have recently been investigated for their generalization to diverse downstream tasks. However, current medical VLP methods typically force the model to learn simple and complex concepts…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Chenran Zhang , Ruiqi Wu , Tao Zhou , Yi Zhou

The visual world naturally exhibits a long-tailed distribution of open classes, which poses great challenges to modern visual systems. Existing approaches either perform class re-balancing strategies or directly improve network modules to…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Teli Ma , Shijie Geng , Mengmeng Wang , Jing Shao , Jiasen Lu , Hongsheng Li , Peng Gao , Yu Qiao

Recently, pretext-task based methods are proposed one after another in self-supervised video feature learning. Meanwhile, contrastive learning methods also yield good performance. Usually, new methods can beat previous ones as claimed that…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Li Tao , Xueting Wang , Toshihiko Yamasaki

As data requirements continue to grow, efficient learning increasingly depends on the curation and distillation of high-value data rather than brute-force scaling of model sizes. In the case of a hyperspectral image (HSI), the challenge is…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Abhiroop Chatterjee , Susmita Ghosh

Current semi-supervised semantic segmentation methods mainly focus on designing pixel-level consistency and contrastive regularization. However, pixel-level regularization is sensitive to noise from pixels with incorrect predictions, and…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Jianrong Zhang , Tianyi Wu , Chuanghao Ding , Hongwei Zhao , Guodong Guo

Sign language recognition (SLR) is a weakly supervised task that annotates sign videos as textual glosses. Recent studies show that insufficient training caused by the lack of large-scale available sign datasets becomes the main bottleneck…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Jiangbin Zheng , Yile Wang , Cheng Tan , Siyuan Li , Ge Wang , Jun Xia , Yidong Chen , Stan Z. Li

The goal of contrastive learning based pre-training is to leverage large quantities of unlabeled data to produce a model that can be readily adapted downstream. Current approaches revolve around solving an image discrimination task: given…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Chenhongyi Yang , Lichao Huang , Elliot J. Crowley

We present a simple yet effective end-to-end Video-language Pre-training (VidLP) framework, Masked Contrastive Video-language Pretraining (MAC), for video-text retrieval tasks. Our MAC aims to reduce video representation's spatial and…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Fangxun Shu , Biaolong Chen , Yue Liao , Shuwen Xiao , Wenyu Sun , Xiaobo Li , Yousong Zhu , Jinqiao Wang , Si Liu

While vision-language pre-training model (VLP) has shown revolutionary improvements on various vision-language (V+L) tasks, the studies regarding its adversarial robustness remain largely unexplored. This paper studied the adversarial…

机器学习 · 计算机科学 2022-10-21 Jiaming Zhang , Qi Yi , Jitao Sang

With recent progress in joint modeling of visual and textual representations, Vision-Language Pretraining (VLP) has achieved impressive performance on many multimodal downstream tasks. However, the requirement for expensive annotations…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Zirui Wang , Jiahui Yu , Adams Wei Yu , Zihang Dai , Yulia Tsvetkov , Yuan Cao

Vision-Language Models (VLMs), such as CLIP, exhibit strong image-text comprehension abilities, facilitating advances in several downstream tasks such as zero-shot image classification, image-text retrieval, and text-to-image generation.…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Le Zhang , Rabiul Awal , Aishwarya Agrawal

Vision-and-language (VL) pre-training, which aims to learn a general representation of image-text pairs that can be transferred to various vision-and-language tasks. Compared with modeling uni-modal data, the main challenge of the VL model…

计算与语言 · 计算机科学 2023-05-24 Hao Yang , Can Gao , Hao Líu , Xinyan Xiao , Yanyan Zhao , Bing Qin

Pre-trained vision-language (V-L) models such as CLIP have shown excellent generalization ability to downstream tasks. However, they are sensitive to the choice of input text prompts and require careful selection of prompt templates to…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Muhammad Uzair Khattak , Hanoona Rasheed , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

With the recent success of the pre-training technique for NLP and image-linguistic tasks, some video-linguistic pre-training works are gradually developed to improve video-text related downstream tasks. However, most of the existing…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Huaishao Luo , Lei Ji , Botian Shi , Haoyang Huang , Nan Duan , Tianrui Li , Jason Li , Taroon Bharti , Ming Zhou

Despite the recent success on image classification, self-training has only achieved limited gains on structured prediction tasks such as neural machine translation (NMT). This is mainly due to the compositionality of the target space, where…

计算与语言 · 计算机科学 2020-12-08 Minkai Xu , Mingxuan Wang , Zhouhan Lin , Hao Zhou , Weinan Zhang , Lei Li

Adversarial training (AT) as a regularization method has proved its effectiveness in various tasks, such as image classification and text classification. Though there are successful applications of AT in many tasks of natural language…

计算与语言 · 计算机科学 2019-11-12 Ziqing Yang , Yiming Cui , Wanxiang Che , Ting Liu , Shijin Wang , Guoping Hu

Pose-estimation methods enable extracting human motion from common videos in the structured form of 3D skeleton sequences. Despite great application opportunities, effective content-based access to such spatio-temporal motion data is a…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Nicola Messina , Jan Sedmidubsky , Fabrizio Falchi , Tomáš Rebok

Current pre-trained vison-language models (PVLMs) achieve excellent performance on a range of multi-modal datasets. Recent work has aimed at building multilingual models, and a range of novel multilingual multi-modal datasets have been…

计算与语言 · 计算机科学 2023-10-25 Hanxu Hu , Frank Keller

Aligning image and text encoders from scratch using contrastive learning requires large amounts of paired image-text data. We alleviate this need by aligning individually pre-trained language and vision representation models using a much…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Tejas Srinivasan , Xiang Ren , Jesse Thomason

Recently, image-text matching has attracted more and more attention from academia and industry, which is fundamental to understanding the latent correspondence across visual and textual modalities. However, most existing methods implicitly…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Yang Qin , Yuan Sun , Dezhong Peng , Joey Tianyi Zhou , Xi Peng , Peng Hu