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Recently, textual information has been proved to play a positive role in recommendation systems. However, most of the existing methods only focus on representation learning of textual information in ratings, while potential selection bias…

信息检索 · 计算机科学 2021-10-14 Jiabin Liu , Zheng Wei , Zhengpin Li , Xiaojun Mao , Jian Wang , Zhongyu Wei , Qi Zhang

Temporal moment localization aims to retrieve the best video segment matching a moment specified by a query. The existing methods generate the visual and semantic embeddings independently and fuse them without full consideration of the…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Jungkyoo Shin , Jinyoung Moon

Few-Shot Class Incremental Learning (FSCIL) is crucial for adapting to the complex open-world environments. Contemporary prospective learning-based space construction methods struggle to balance old and new knowledge, as prototype bias and…

机器学习 · 计算机科学 2026-03-03 Qinzhe Wang , Zixuan Chen , Keke Huang , Xiu Su , Chunhua Yang , Chang Xu

The success of speech-image retrieval relies on establishing an effective alignment between speech and image. Existing methods often model cross-modal interaction through simple cosine similarity of the global feature of each modality,…

计算与语言 · 计算机科学 2024-09-12 Lifeng Zhou , Yuke Li , Rui Deng , Yuting Yang , Haoqi Zhu

Text detoxification aims to minimize the risk of language models producing toxic content. Existing detoxification methods of directly constraining the model output or further training the model on the non-toxic corpus fail to achieve a…

计算与语言 · 计算机科学 2024-10-14 Zecheng Tang , Keyan Zhou , Juntao Li , Yuyang Ding , Pinzheng Wang , Bowen Yan , Rejie Hua , Min Zhang

With the rise of powerful pre-trained vision-language models like CLIP, it becomes essential to investigate ways to adapt these models to downstream datasets. A recently proposed method named Context Optimization (CoOp) introduces the…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Kaiyang Zhou , Jingkang Yang , Chen Change Loy , Ziwei Liu

Accurate uncertainty quantification is crucial for the safe deployment of machine learning models, and prior research has demonstrated improvements in the calibration of modern language models (LMs). We study in-context learning (ICL), a…

计算与语言 · 计算机科学 2024-03-29 Hanlin Zhang , Yi-Fan Zhang , Yaodong Yu , Dhruv Madeka , Dean Foster , Eric Xing , Himabindu Lakkaraju , Sham Kakade

Large Language Models (LLMs) face fundamental limitations in context management despite recent advances extending context windows to millions of tokens. We propose Cognitive Workspace, a novel paradigm that transcends traditional…

人工智能 · 计算机科学 2025-08-20 Tao An

Automatic prompt optimization is a promising direction to boost the performance of Large Language Models (LLMs). However, existing methods often suffer from noisy and conflicting update signals. In this research, we propose C-MOP…

计算与语言 · 计算机科学 2026-02-12 Binwei Yan , Yifei Fu , Mingjian Zhu , Hanting Chen , Mingxuan Yuan , Yunhe Wang , Hailin Hu

In recent years, convolutional neural networks (CNNs) with channel-wise feature refining mechanisms have brought noticeable benefits to modelling channel dependencies. However, current attention paradigms fail to infer an optimal channel…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Nick Nikzad , Yongsheng Gao , Jun Zhou

When performing data classification over a stream of continuously occurring instances, a key challenge is to develop an open-world classifier that anticipates instances from an unknown class. Studies addressing this problem, typically…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Yang Gao , Swarup Chandra , Zhuoyi Wang , Latifur Khan

In this paper, we explore the potential of visual in-context learning to enable a single model to handle multiple tasks and adapt to new tasks during test time without re-training. Unlike previous approaches, our focus is on training…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Simon Reiß , Zdravko Marinov , Alexander Jaus , Constantin Seibold , M. Saquib Sarfraz , Erik Rodner , Rainer Stiefelhagen

Consistency regularization has prevailed in semi-supervised semantic segmentation and achieved promising performance. However, existing methods typically concentrate on enhancing the Image-augmentation based Prediction consistency and…

多媒体 · 计算机科学 2025-03-25 Jianjian Yin , Tao Chen , Gensheng Pei , Yazhou Yao , Liqiang Nie , Xiansheng Hua

Temporal sentence grounding in videos aims to detect and localize one target video segment, which semantically corresponds to a given sentence. Existing methods mainly tackle this task via matching and aligning semantics between a sentence…

计算机视觉与模式识别 · 计算机科学 2019-11-01 Yitian Yuan , Lin Ma , Jingwen Wang , Wei Liu , Wenwu Zhu

The immense success of deep learning based methods in computer vision heavily relies on large scale training datasets. These richly annotated datasets help the network learn discriminative visual features. Collecting and annotating such…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Yash Patel , Lluis Gomez , Raul Gomez , Marçal Rusiñol , Dimosthenis Karatzas , C. V. Jawahar

Recently, Large Language Models (LLMs) have demonstrated remarkable advancements in Natural Language Processing (NLP). However, generating high-quality text that balances coherence, diversity, and relevance remains challenging. Traditional…

计算与语言 · 计算机科学 2025-05-01 Jaydip Sen , Rohit Pandey , Hetvi Waghela

Large Language Models (LLMs) present a promising frontier in robotic task planning by leveraging extensive human knowledge. Nevertheless, the current literature often overlooks the critical aspects of robots' adaptability and error…

机器人学 · 计算机科学 2024-11-27 Sthithpragya Gupta , Kunpeng Yao , Loïc Niederhauser , Aude Billard

Nowadays, cross-modal retrieval plays an indispensable role to flexibly find information across different modalities of data. Effectively measuring the similarity between different modalities of data is the key of cross-modal retrieval.…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Yuxin Peng , Jinwei Qi , Yuxin Yuan

Achieving reliable multidimensional Vehicle-to-Vehicle (V2V) channel state information (CSI) prediction is both challenging and crucial for optimizing downstream tasks that depend on instantaneous CSI. This work extends traditional…

系统与控制 · 电气工程与系统科学 2024-09-24 Lei Chu , Daoud Burghal , Rui Wang , Michael Neuman , Andreas F. Molisch

Neural collapse ($\mathcal{NC}$) is a phenomenon observed in classification tasks where top-layer representations collapse into their class means, which become equinorm, equiangular and aligned with the classifiers. These behaviours --…

机器学习 · 计算机科学 2024-11-27 Robert Wu , Vardan Papyan