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In this work, we propose several attention formulations for multivariate sequence data. We build on top of the recently introduced 2D-Attention and reformulate the attention learning methodology by quantifying the relevance of…

计算机视觉与模式识别 · 计算机科学 2022-01-27 Kateryna Chumachenko , Alexandros Iosifidis , Moncef Gabbouj

The literature has proposed various robust alternatives to empirical risk minimisation to address failure modes such as distribution shift, label noise and finite-sample degeneracies. Examples include distributionally robust optimization,…

机器学习 · 计算机科学 2026-05-28 Jonas Hanselle , Valentin Margraf , Clemens Damke , Eyke Hüllermeier

While recent neural encoder-decoder models have shown great promise in modeling open-domain conversations, they often generate dull and generic responses. Unlike past work that has focused on diversifying the output of the decoder at…

计算与语言 · 计算机科学 2017-10-24 Tiancheng Zhao , Ran Zhao , Maxine Eskenazi

Large language models (LLMs) have made impressive strides in mathematical reasoning, often fine-tuned using rejection sampling that retains only correct reasoning trajectories. While effective, this paradigm treats supervision as a binary…

计算与语言 · 计算机科学 2026-02-05 Jie Deng , Hanshuang Tong , Jun Li , Shining Liang , Ning Wu , Hongzhi Li , Yutao Xie

Multi-view spatial reasoning remains difficult for current vision-language models. Even when multiple viewpoints are available, models often underutilize cross-view relations and instead rely on single-image shortcuts, leading to fragile…

计算与语言 · 计算机科学 2026-03-09 Xingjian Tao , Yiwei Wang , Yujun Cai , Yifan Song , Jing Tang

Generating diverse, interesting responses to chitchat conversations is a problem for neural conversational agents. This paper makes two substantial contributions to improving diversity in dialogue generation. First, we propose a novel…

计算与语言 · 计算机科学 2022-05-04 Katherine Stasaski , Marti A. Hearst

Self-modulating mechanisms introduce dynamic adaptation capabilities within language models through contextual realignment strategies that influence token embedding trajectories across extended sequences. Contextual Flux is explored as an…

While Large Language Models (LLMs) have made significant strides in replicating human-like abilities, there are concerns about a reduction in the linguistic diversity of their outputs. This results in the homogenization of viewpoints and…

计算与语言 · 计算机科学 2024-12-05 Long Mai , Julie Carson-Berndsen

This paper addresses the challenge of jointly modeling user intent diversity and behavioral uncertainty in recommender systems. A unified representation learning framework is proposed. The framework builds a multi-intent representation…

信息检索 · 计算机科学 2025-09-08 Wei Xu , Jiasen Zheng , Junjiang Lin , Mingxuan Han , Junliang Du

Large language models (LLMs) have become an important semantic infrastructure for modern recommender systems. A prevailing paradigm integrates LLM-derived semantic embeddings with collaborative representations via representation alignment,…

信息检索 · 计算机科学 2026-04-27 Maolin Wang , Dongze Wu , Jianing Zhou , Hongyu Chen , Beining Bao , Yu Jiang , Chenbin Zhang , Chang Wang , Jian Liu , Lei Sha

This paper proposes a novel federated algorithm that leverages momentum-based variance reduction with adaptive learning to address non-convex settings across heterogeneous data. We intend to minimize communication and computation overhead,…

机器学习 · 计算机科学 2024-12-17 Dipanwita Thakur , Antonella Guzzo , Giancarlo Fortino , Sajal K. Das

Recent advances in diffusion models have led to impressive image generation capabilities, but aligning these models with human preferences remains challenging. Reward-based fine-tuning using models trained on human feedback improves…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Dmitrii Sorokin , Maksim Nakhodnov , Andrey Kuznetsov , Aibek Alanov

Diffusion models have emerged as frontrunners in text-to-image generation, but their fixed image resolution during training often leads to challenges in high-resolution image generation, such as semantic deviations and object replication.…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Haoning Wu , Shaocheng Shen , Qiang Hu , Xiaoyun Zhang , Ya Zhang , Yanfeng Wang

Multiresolution image fusion is a key problem for real-time satellite imaging and plays a central role in detecting and monitoring natural phenomena such as floods. It aims to solve the trade-off between temporal and spatial resolution in…

图像与视频处理 · 电气工程与系统科学 2025-09-17 Haoqing Li , Ricardo Borsoi , Tales Imbiriba , Pau Closas

Recent advances in neural topic models have concentrated on two primary directions: the integration of the inference network (encoder) with a pre-trained language model (PLM) and the modeling of the relationship between words and topics in…

计算与语言 · 计算机科学 2024-10-01 Duy-Tung Pham , Thien Trang Nguyen Vu , Tung Nguyen , Linh Ngo Van , Duc Anh Nguyen , Thien Huu Nguyen

Bayesian inference in function space has gained attention due to its robustness against overparameterization in neural networks. However, approximating the infinite-dimensional function space introduces several challenges. In this work, we…

机器学习 · 计算机科学 2024-12-23 Sophie Steger , Christian Knoll , Bernhard Klein , Holger Fröning , Franz Pernkopf

Recent years have seen an increased interest in establishing association between faces and voices of celebrities leveraging audio-visual information from YouTube. Prior works adopt metric learning methods to learn an embedding space that is…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Muhammad Saad Saeed , Shah Nawaz , Muhammad Haris Khan , Sajid Javed , Muhammad Haroon Yousaf , Alessio Del Bue

Large data-driven image models are extensively used to support creative and artistic work. Under the currently predominant distribution-fitting paradigm, a dataset is treated as ground truth to be approximated as closely as possible. Yet,…

机器学习 · 计算机科学 2023-06-16 Sebastian Berns , Simon Colton , Christian Guckelsberger

Unified multimodal models have recently shown remarkable gains in both capability and versatility, yet most leading systems are still trained from scratch and require substantial computational resources. In this paper, we show that…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Zeyu Wang , Zilong Chen , Chenhui Gou , Feng Li , Chaorui Deng , Deyao Zhu , Kunchang Li , Weihao Yu , Haoqin Tu , Haoqi Fan , Cihang Xie

Multimodal Large Language Models (MLLMs) have achieved remarkable progress in vision-language understanding, yet how they internally integrate visual and textual information remains poorly understood. To bridge this gap, we perform a…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Shezheng Song , Shasha Li , Jie Yu