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Semantic communication has emerged as a promising paradigm for next-generation networks, yet several fundamental challenges remain unresolved. Building on the probabilistic model of semantic communication and leveraging the concept of…

信息论 · 计算机科学 2026-02-27 Javad Gholipour , Rafael F. Schaefer , Gerhard P. Fettweis

Large language models (LLMs) demonstrate exceptional capabilities in various scenarios. However, they suffer from much redundant information and are sensitive to the position of key information in long context scenarios. To address these…

计算与语言 · 计算机科学 2025-02-11 Jiwei Tang , Jin Xu , Tingwei Lu , Zhicheng Zhang , Yiming Zhao , Lin Hai , Hai-Tao Zheng

State-space models can be used to incorporate subject knowledge on the underlying dynamics of a time series by the introduction of a latent Markov state-process. A user can specify the dynamics of this process together with how the state…

统计计算 · 统计学 2017-09-14 Paul Fearnhead , Hans Künsch

Extended sequence generation often leads to degradation in contextual consistency due to the inability of conventional self-attention mechanisms to effectively retain long-range dependencies. Existing approaches, including memory…

计算与语言 · 计算机科学 2025-01-30 Jonathan Teel , Jocasta Cumberbatch , Raphael Benington , Quentin Baskerville

State space models (SSMs) have gained attention by showing potential to outperform Transformers. However, previous studies have not sufficiently addressed the mechanisms underlying their high performance owing to a lack of theoretical…

机器学习 · 计算机科学 2025-10-02 JingChuan Guan , Tomoyuki Kubota , Yasuo Kuniyoshi , Kohei Nakajima

Recent selective state space models (SSMs), such as Mamba and Mamba-2, have demonstrated strong performance in sequence modeling owing to input-dependent selection mechanisms. However, these mechanisms lack theoretical grounding and cannot…

机器学习 · 计算机科学 2025-12-19 Lei Wang , Xin Tan , Mingwei Wang , Ying Zhang

Large Vision-Language Models (LVLMs) have demonstrated remarkable performance across a wide range of multimodal tasks. However, fine-tuning these models for domain-specific applications remains a computationally intensive challenge. This…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Chee Ng , Yuen Fung

This study addresses an image-matching problem in challenging cases, such as large scene variations or textureless scenes. To gain robustness to such situations, most previous studies have attempted to encode the global contexts of a scene…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Khang Truong Giang , Soohwan Song , Sungho Jo

Structured State Spaces for Sequences (S4) is a recently proposed sequence model with successful applications in various tasks, e.g. vision, language modeling, and audio. Thanks to its mathematical formulation, it compresses its input to a…

计算与语言 · 计算机科学 2023-04-26 Ali Vardasbi , Telmo Pessoa Pires , Robin M. Schmidt , Stephan Peitz

State-space models are ubiquitous in the statistical literature since they provide a flexible and interpretable framework for analyzing many time series. In most practical applications, the state-space model is specified through a…

统计方法学 · 统计学 2020-06-18 Thi Tuyet Trang Chau , Pierre Ailliot , Valérie Monbet

Modern state-space models (SSMs) often utilize transition matrices which enable efficient computation but pose restrictions on the model's expressivity, as measured in terms of the ability to emulate finite-state automata (FSA). While…

人工智能 · 计算机科学 2025-12-17 Aleksandar Terzić , Nicolas Menet , Michael Hersche , Thomas Hofmann , Abbas Rahimi

Commonsense reasoning refers to the ability of evaluating a social situation and acting accordingly. Identification of the implicit causes and effects of a social context is the driving capability which can enable machines to perform…

计算与语言 · 计算机科学 2020-11-03 Farhad Moghimifar , Lizhen Qu , Yue Zhuo , Mahsa Baktashmotlagh , Gholamreza Haffari

Long Short-Term Memory (LSTM) is one of the most powerful sequence models. Despite the strong performance, however, it lacks the nice interpretability as in state space models. In this paper, we present a way to combine the best of both…

机器学习 · 计算机科学 2017-12-04 Xun Zheng , Manzil Zaheer , Amr Ahmed , Yuan Wang , Eric P Xing , Alexander J Smola

State-space models (SSMs), such as Mamba (Gu & Dao, 2023), have been proposed as alternatives to Transformer networks in language modeling, by incorporating gating, convolutions, and input-dependent token selection to mitigate the quadratic…

State-space models (SSMs) are a popular tool for modeling animal abundances. Inference difficulties for simple linear SSMs are well known, particularly in relation to simultaneous estimation of process and observation variances. Several…

种群与进化 · 定量生物学 2019-09-20 Leo Polansky , Ken B. Newman , Lara Mitchell

In recent years, visually-rich document understanding has attracted increasing attention. Transformer-based pre-trained models have become the mainstream approach, yielding significant performance gains in this field. However, the…

计算与语言 · 计算机科学 2025-02-11 Pengfei Hu , Zhenrong Zhang , Jiefeng Ma , Shuhang Liu , Jun Du , Jianshu Zhang

Remote Sensing Image Change Captioning (RSICC) aims to describe surface changes between multi-temporal remote sensing images in language, including the changed object categories, locations, and dynamics of changing objects (e.g., added or…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Chenyang Liu , Keyan Chen , Bowen Chen , Haotian Zhang , Zhengxia Zou , Zhenwei Shi

Effectively modeling long spatiotemporal sequences is challenging due to the need to model complex spatial correlations and long-range temporal dependencies simultaneously. ConvLSTMs attempt to address this by updating tensor-valued states…

机器学习 · 计算机科学 2023-10-31 Jimmy T. H. Smith , Shalini De Mello , Jan Kautz , Scott W. Linderman , Wonmin Byeon

Effective modeling of complex spatiotemporal dependencies in long-form videos remains an open problem. The recently proposed Structured State-Space Sequence (S4) model with its linear complexity offers a promising direction in this space.…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Jue Wang , Wentao Zhu , Pichao Wang , Xiang Yu , Linda Liu , Mohamed Omar , Raffay Hamid

Handling lengthy context is crucial for enhancing the recognition and understanding capabilities of multimodal large language models (MLLMs) in applications such as processing high-resolution images or high frame rate videos. The rise in…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Jianing Zhou , Han Li , Shuai Zhang , Ning Xie , Ruijie Wang , Xiaohan Nie , Sheng Liu , Lingyun Wang