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相关论文: Dense Contrastive Visual-Linguistic Pretraining

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The application of Contrastive Language-Image Pre-training (CLIP) in Weakly Supervised Semantic Segmentation (WSSS) research powerful cross-modal semantic understanding capabilities. Existing methods attempt to optimize input text prompts…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhongxing Xu , Feilong Tang , Zhe Chen , Yingxue Su , Zhiyi Zhao , Ge Zhang , Jionglong Su , Zongyuan Ge

While Large Language Models (LLMs) demonstrate exceptional performance in surface-level text generation, their nature in handling complex multi-step reasoning tasks often remains one of ``statistical fitting'' rather than systematic logical…

机器学习 · 计算机科学 2026-01-27 Lianlei Shan , Han Chen , Yixuan Wang , Zhenjie Liu , Wei Li

This paper proposes an approach to Dense Video Captioning (DVC) without pairwise event-sentence annotation. First, we adopt the knowledge distilled from relevant and well solved tasks to generate high-quality event proposals. Then we…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Bofeng Wu , Guocheng Niu , Jun Yu , Xinyan Xiao , Jian Zhang , Hua Wu

In multi-label classification, each training instance is associated with multiple class labels simultaneously. Unfortunately, collecting the fully precise class labels for each training instance is time- and labor-consuming for real-world…

机器学习 · 计算机科学 2024-03-26 Meng Wei , Zhongnian Li , Peng Ying , Yong Zhou , Xinzheng Xu

The challenges in applying contrastive learning to speaker verification (SV) are that the softmax-based contrastive loss lacks discriminative power and that the hard negative pairs can easily influence learning. To overcome the first…

音频与语音处理 · 电气工程与系统科学 2023-03-14 Zhe Li , Man-Wai Mak , Helen Mei-Ling Meng

Domain shift poses a significant challenge in Cross-Domain Facial Expression Recognition (CD-FER) due to the distribution variation across different domains. Current works mainly focus on learning domain-invariant features through global…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Yuefang Gao , Yuhao Xie , Zeke Zexi Hu , Tianshui Chen , Liang Lin

Contrastive Language-Image Pretraining (CLIP) has emerged as a novel paradigm to learn visual models from language supervision. While researchers continue to push the frontier of CLIP, reproducing these works remains challenging. This is…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Yufeng Cui , Lichen Zhao , Feng Liang , Yangguang Li , Jing Shao

Medical image segmentation is a fundamental yet challenging task due to the arduous process of acquiring large volumes of high-quality labeled data from experts. Contrastive learning offers a promising but still problematic solution to this…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Shuang Zeng , Lei Zhu , Xinliang Zhang , Micky C Nnamdi , Wenqi Shi , J Ben Tamo , Qian Chen , Hangzhou He , Lujia Jin , Zifeng Tian , Qiushi Ren , Zhaoheng Xie , Yanye Lu

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

The recent breakthrough achieved by contrastive learning accelerates the pace for deploying unsupervised training on real-world data applications. However, unlabeled data in reality is commonly imbalanced and shows a long-tail distribution,…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Ziyu Jiang , Tianlong Chen , Bobak Mortazavi , Zhangyang Wang

Self-Supervised Contrastive Learning has proven effective in deriving high-quality representations from unlabeled data. However, a major challenge that hinders both unimodal and multimodal contrastive learning is feature suppression, a…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Jihai Zhang , Xiang Lan , Xiaoye Qu , Yu Cheng , Mengling Feng , Bryan Hooi

Pre-training has been proven to be effective in boosting the performance of Isolated Sign Language Recognition (ISLR). Existing pre-training methods solely focus on the compact pose data, which eliminates background perturbation but…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Kepeng Wu , Zecheng Li , Hezhen Hu , Wengang Zhou , Houqiang Li

Using responses generated by high-performing large language models (LLMs) for instruction tuning has become a widely adopted approach. However, the existing literature overlooks a property of LLM-generated responses: they conflate world…

计算与语言 · 计算机科学 2026-04-16 Tatsuya Ichinose , Youmi Ma , Masanari Oi , Ryuto Koike , Naoaki Okazaki

Current label-free RLVR approaches for large language models (LLMs), such as TTRL and Self-reward, have demonstrated effectiveness in improving the performance of LLMs on complex reasoning tasks. However, these methods rely heavily on…

机器学习 · 计算机科学 2026-03-18 Kaixuan Du , Meng Cao , Hang Zhang , Yukun Wang , Xiangzhou Huang , Ni Li

Recently, multi-view and multi-label classification have become significant domains for comprehensive data analysis and exploration. However, incompleteness both in views and labels is still a real-world scenario for multi-view multi-label…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Bingyan Nie , Wulin Xie , Jiang Long , Xiaohuan Lu

Semi-supervised learning algorithms reduce the high cost of acquiring labeled training data by using both labeled and unlabeled data during learning. Deep Convolutional Networks (DCNs) have achieved great success in supervised tasks and as…

机器学习 · 统计学 2016-12-07 Tan Nguyen , Wanjia Liu , Ethan Perez , Richard G. Baraniuk , Ankit B. Patel

Pre-trained language models (PLMs) have played an increasing role in multimedia research. In terms of vision-language (VL) tasks, they often serve as a language encoder and still require an additional fusion network for VL reasoning,…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Shubin Huang , Qiong Wu , Yiyi Zhou , Weijie Chen , Rongsheng Zhang , Xiaoshuai Sun , Rongrong Ji

In recent years, vision language pre-training frameworks have made significant progress in natural language processing and computer vision, achieving remarkable performance improvement on various downstream tasks. However, when extended to…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Taolin Zhang , Sunan He , Dai Tao , Bin Chen , Zhi Wang , Shu-Tao Xia

We propose Domain-Conditioned Meta-Contrastive Learning, a framework for improving the cross-domain generalization of vision-language models. While contrastive models such as CLIP achieve strong performance through large-scale training,…

最优化与控制 · 数学 2026-03-31 Merham Fouladvand , Peuroly Batra

Although pre-trained language models (PLMs) have achieved state-of-the-art performance on various natural language processing (NLP) tasks, they are shown to be lacking in knowledge when dealing with knowledge driven tasks. Despite the many…

计算与语言 · 计算机科学 2022-08-02 Qianglong Chen , Feng-Lin Li , Guohai Xu , Ming Yan , Ji Zhang , Yin Zhang
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