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Machine learning models underpin many modern financial systems for use cases such as fraud detection and churn prediction. Most are based on supervised learning with hand-engineered features, which relies heavily on the availability of…

机器学习 · 计算机科学 2024-01-05 Piotr Skalski , David Sutton , Stuart Burrell , Iker Perez , Jason Wong

Magnetoencephalography (MEG) has a high temporal resolution well-suited for studying perceptual learning. However, to identify where learning happens in the brain, one needs to ap- ply source localization techniques to project MEG sensor…

应用统计 · 统计学 2015-12-04 Ying Yang , Michael J. Tarr , Robert E. Kass

Our understanding of the temporal dynamics of the Earth's surface has been advanced by deep vision models, which often require lots of labeled multi-temporal images for training. However, collecting, preprocessing, and annotating…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Zhuo Zheng , Stefano Ermon , Dongjun Kim , Liangpei Zhang , Yanfei Zhong

This paper proposes a novel way of doing audio synthesis at the waveform level using Transformer architectures. We propose a deep neural network for generating waveforms, similar to wavenet. This is fully probabilistic, auto-regressive, and…

声音 · 计算机科学 2021-07-09 Prateek Verma , Chris Chafe

Reconstructing visual stimuli from non-invasive electroencephalography (EEG) remains challenging due to its low spatial resolution and high noise, particularly under realistic low-density electrode configurations. To address this, we…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Emanuele Balloni , Emanuele Frontoni , Chiara Matti , Marina Paolanti , Roberto Pierdicca , Emiliano Santarnecchi

The data scarcity problem in Electroencephalography (EEG) based affective computing results into difficulty in building an effective model with high accuracy and stability using machine learning algorithms especially deep learning models.…

机器学习 · 计算机科学 2021-09-09 Zhi Zhang , Sheng-hua Zhong , Yan Liu

We present the Insertion Transformer, an iterative, partially autoregressive model for sequence generation based on insertion operations. Unlike typical autoregressive models which rely on a fixed, often left-to-right ordering of the…

计算与语言 · 计算机科学 2019-02-12 Mitchell Stern , William Chan , Jamie Kiros , Jakob Uszkoreit

Large-scale pre-trained models (PTMs) such as BERT and GPT have recently achieved great success in Natural Language Processing and Computer Vision domains. However, the development of PTMs on healthcare time-series data is lagging…

机器学习 · 计算机科学 2024-09-10 Ziyang Song , Qincheng Lu , Hao Xu , He Zhu , David L. Buckeridge , Yue Li

With the rapid progress of large language models (LLMs), multimodal frameworks that unify understanding and generation have become promising, yet they face increasing complexity as the number of modalities and tasks grows. We observe that…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Bingfan Zhu , Biao Jiang , Sunyi Wang , Shixiang Tang , Tao Chen , Linjie Luo , Youyi Zheng , Xin Chen

Decoding neural activity into human-interpretable representations is a key research direction in brain-computer interfaces (BCIs) and computational neuroscience. Recent progress in machine learning and generative AI has driven growing…

Deep neural network quantization with adaptive bitwidths has gained increasing attention due to the ease of model deployment on various platforms with different resource budgets. In this paper, we propose a meta-learning approach to achieve…

机器学习 · 计算机科学 2022-07-22 Jiseok Youn , Jaehun Song , Hyung-Sin Kim , Saewoong Bahk

Standard autoregressive seq2seq models are easily trained by max-likelihood, but tend to show poor results under small-data conditions. We introduce a class of seq2seq models, GAMs (Global Autoregressive Models), which combine an…

机器学习 · 计算机科学 2019-09-23 Tetiana Parshakova , Jean-Marc Andreoli , Marc Dymetman

We present our Generative Enhanced Model (GEM) that we used to create samples awarded the first prize on the FEVER 2.0 Breakers Task. GEM is the extended language model developed upon GPT-2 architecture. The addition of novel target…

计算与语言 · 计算机科学 2019-10-02 Piotr Niewinski , Maria Pszona , Maria Janicka

Neural decoding from electroencephalography (EEG) remains fundamentally limited by poor generalization to unseen subjects, driven by high inter-subject variability and the lack of large-scale datasets to model it effectively. Existing…

机器学习 · 计算机科学 2025-11-25 Mengchun Zhang , Kateryna Shapovalenko , Yucheng Shao , Eddie Guo , Parusha Pradhan

This paper presents a novel single-channel decomposition approach to facilitate the decomposition of electroencephalography (EEG) signals recorded with limited channels. Our model posits that an EEG signal comprises short, shift-invariant…

信号处理 · 电气工程与系统科学 2024-11-15 Hiroshi Higashi

The design choices in the Transformer attention mechanism, including weak inductive bias and quadratic computational complexity, have limited its application for modeling long sequences. In this paper, we introduce Mega, a simple,…

机器学习 · 计算机科学 2023-01-31 Xuezhe Ma , Chunting Zhou , Xiang Kong , Junxian He , Liangke Gui , Graham Neubig , Jonathan May , Luke Zettlemoyer

Extracting multiscale contextual information and higher-order correlations among skeleton sequences using Graph Convolutional Networks (GCNs) alone is inadequate for effective action classification. Hypergraph convolution addresses the…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Abhisek Ray , Ayush Raj , Maheshkumar H. Kolekar

Learning transferable representations for electroencephalography (EEG) remains challenging because EEG signals are inherently multi-channel and non-stationary. Channels observed at the same time provide coupled measurements of neural…

机器学习 · 计算机科学 2026-05-13 Fan Ma , Qier An , Peng Chen , Lingfei Qian , Xiang Lan , Mingyang Jiang , Zhiling Gu , Xenophon Papademetris , Hua Xu

Electroencephalogram (EEG) signals are pivotal in providing insights into spontaneous brain activity, highlighting their significant importance in neuroscience research. However, the exploration of versatile EEG models is constrained by…

信号处理 · 电气工程与系统科学 2025-09-01 Tongtian Yue , Xuange Gao , Shuning Xue , Yepeng Tang , Longteng Guo , Jie Jiang , Jing Liu

While originally designed for unidirectional generative modeling, decoder-only large language models (LLMs) are increasingly being adapted for bidirectional modeling. However, unidirectional and bidirectional models are typically trained…

计算与语言 · 计算机科学 2025-02-17 Savya Khosla , Aditi Tiwari , Kushal Kafle , Simon Jenni , Handong Zhao , John Collomosse , Jing Shi
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