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Prior to deep learning the semantic parsing community has been interested in understanding and modeling the range of possible word alignments between natural language sentences and their corresponding meaning representations.…

计算与语言 · 计算机科学 2022-11-15 Davide Locatelli , Ariadna Quattoni

Visual attention, derived from cognitive neuroscience, facilitates human perception on the most pertinent subset of the sensory data. Recently, significant efforts have been made to exploit attention schemes to advance computer vision…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Shi Pu , Yibing Song , Chao Ma , Honggang Zhang , Ming-Hsuan Yang

Generalizing to longer sentences is important for recent Transformer-based language models. Besides algorithms manipulating explicit position features, the success of Transformers without position encodings (NoPE) provides a new way to…

计算与语言 · 计算机科学 2024-05-29 Jie Wang , Tao Ji , Yuanbin Wu , Hang Yan , Tao Gui , Qi Zhang , Xuanjing Huang , Xiaoling Wang

Transformer models achieve state-of-the-art performance on a wide range of NLP tasks. They however suffer from a prohibitive limitation due to the self-attention mechanism, inducing $O(n^2)$ complexity with regard to sequence length. To…

计算与语言 · 计算机科学 2022-10-28 Charles Condevaux , Sébastien Harispe

We establish the universal approximation capability of single-layer, single-head self- and cross-attention mechanisms with minimal attached structures. Our key insight is to interpret single-head attention as an input domain-partition…

机器学习 · 计算机科学 2025-04-29 Hude Liu , Jerry Yao-Chieh Hu , Zhao Song , Han Liu

We introduce FocalPose, a neural render-and-compare method for jointly estimating the camera-object 6D pose and camera focal length given a single RGB input image depicting a known object. The contributions of this work are twofold. First,…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Georgy Ponimatkin , Yann Labbé , Bryan Russell , Mathieu Aubry , Josef Sivic

Large language models (LLMs) have revolutionized natural language processing, but their ability to process long sequences is fundamentally limited by the context window size during training. Existing length extrapolation methods often…

人工智能 · 计算机科学 2026-01-13 Nitin Vetcha

Relying entirely on an attention mechanism, the Transformer introduced by Vaswani et al. (2017) achieves state-of-the-art results for machine translation. In contrast to recurrent and convolutional neural networks, it does not explicitly…

计算与语言 · 计算机科学 2018-04-16 Peter Shaw , Jakob Uszkoreit , Ashish Vaswani

Transformer models have achieved remarkable results in a wide range of applications. However, their scalability is hampered by the quadratic time and memory complexity of the self-attention mechanism concerning the sequence length. This…

机器学习 · 计算机科学 2024-02-27 Yury Nahshan , Joseph Kampeas , Emir Haleva

We propose an attention-based networks for transferring motions between arbitrary objects. Given a source image(s) and a driving video, our networks animate the subject in the source images according to the motion in the driving video. In…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Subin Jeon , Seonghyeon Nam , Seoung Wug Oh , Seon Joo Kim

Although numerous recent tracking approaches have made tremendous advances in the last decade, achieving high-performance visual tracking remains a challenge. In this paper, we propose an end-to-end network model to learn reinforced…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Peng Gao , Qiquan Zhang , Fei Wang , Liyi Xiao , Hamido Fujita , Yan Zhang

Transformers often struggle with length generalization, meaning they fail to generalize to sequences longer than those encountered during training. While arithmetic tasks are commonly used to study length generalization, certain tasks are…

机器学习 · 计算机科学 2025-04-18 Hanseul Cho , Jaeyoung Cha , Srinadh Bhojanapalli , Chulhee Yun

Hard visual attention is a promising approach to reduce the computational burden of modern computer vision methodologies. Hard attention mechanisms are typically non-differentiable. They can be trained with reinforcement learning but the…

机器学习 · 计算机科学 2020-06-16 William Harvey , Michael Teng , Frank Wood

Bottom-up based multi-person pose estimation approaches use heatmaps with auxiliary predictions to estimate joint positions and belonging at one time. Recently, various combinations between auxiliary predictions and heatmaps have been…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Haiyang Liu , Dingli Luo , Songlin Du , Takeshi Ikenaga

Linear attention is an efficient attention mechanism that has recently emerged as a promising alternative to conventional softmax attention. With its ability to process tokens in linear computational complexities, linear attention, in…

计算与语言 · 计算机科学 2024-01-17 Zhen Qin , Weigao Sun , Dong Li , Xuyang Shen , Weixuan Sun , Yiran Zhong

Transformer-based Large Language Models (LLMs) struggle with inputs exceeding their training context window due to positional out-of-distribution (O.O.D.) issues that disrupt attention. Existing solutions, including fine-tuning and…

计算与语言 · 计算机科学 2025-06-02 Yan Li , Tianyi Zhang , Zechuan Li , Soyeon Caren Han

Self-attention-based networks have achieved remarkable performance in sequential recommendation tasks. A crucial component of these models is positional encoding. In this study, we delve into the learned positional embedding, demonstrating…

信息检索 · 计算机科学 2024-11-27 Fan Luo , Haibo He , Juan Zhang , Shenghui Xu

Large language models (LLMs) have shown their power in different areas. Attention computation, as an important subroutine of LLMs, has also attracted interests in theory. Recently the static computation and dynamic maintenance of attention…

数据结构与算法 · 计算机科学 2023-04-11 Yichuan Deng , Sridhar Mahadevan , Zhao Song

We prove that with linear transformations, both (i) two-layer self-attention and (ii) one-layer self-attention followed by a softmax function are universal approximators for continuous sequence-to-sequence functions on compact domains. Our…

机器学习 · 计算机科学 2025-12-17 Jerry Yao-Chieh Hu , Hude Liu , Hong-Yu Chen , Weimin Wu , Han Liu

Many sequence-to-sequence tasks in natural language processing are roughly monotonic in the alignment between source and target sequence, and previous work has facilitated or enforced learning of monotonic attention behavior via specialized…

计算与语言 · 计算机科学 2021-04-09 Annette Rios , Chantal Amrhein , Noëmi Aepli , Rico Sennrich