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Channel State Information (CSI) Feedback plays a crucial role in achieving higher gains through beamforming. However, for a massive MIMO system, this feedback overhead is huge and grows linearly with the number of antennas. To reduce the…

信号处理 · 电气工程与系统科学 2022-10-20 Sharan Mourya , SaiDhiraj Amuru , Kiran Kumar Kuchi

Neural networks using transformer-based architectures have recently demonstrated great power and flexibility in modeling sequences of many types. One of the core components of transformer networks is the attention layer, which allows…

机器学习 · 计算机科学 2019-07-16 Matthew Spellings

We propose Mixed-Panels-Transformer Encoder (MPTE), a novel framework for estimating factor models in panel datasets with mixed frequencies and nonlinear signals. Traditional factor models rely on linear signal extraction and require…

计量经济学 · 经济学 2026-01-26 Alessio Brini , Ekaterina Seregina

Large pretrained self-attention neural networks, or transformers, have been very successful in various tasks recently. The performance of a model on a given task depends on its ability to memorize and generalize the training data. Large…

机器学习 · 计算机科学 2024-08-01 Aki Härmä , Marcin Pietrasik , Anna Wilbik

The contribution of this work is twofold: (1) We introduce a collection of ensemble methods for time series forecasting to combine predictions from base models. We demonstrate insights on the power of ensemble learning for forecasting,…

机器学习 · 计算机科学 2021-04-26 Julia Gastinger , Sébastien Nicolas , Dušica Stepić , Mischa Schmidt , Anett Schülke

Despite the increasing research interest in end-to-end learning systems for speech emotion recognition, conventional systems either suffer from the overfitting due in part to the limited training data, or do not explicitly consider the…

计算与语言 · 计算机科学 2019-04-01 Zixing Zhang , Bingwen Wu , Bjoern Schuller

Edge Computing (EC) offers an infrastructure that acts as the mediator between the Cloud and the Internet of Things (IoT). The goal is to reduce the latency that we enjoy when relying on Cloud. IoT devices interact with their environment to…

分布式、并行与集群计算 · 计算机科学 2020-07-28 Panagiotis Fountas , Kostas Kolomvatsos

Real-world robotics applications demand object pose estimation methods that work reliably across a variety of scenarios. Modern learning-based approaches require large labeled datasets and tend to perform poorly outside the training domain.…

计算机视觉与模式识别 · 计算机科学 2023-05-15 Jingnan Shi , Rajat Talak , Dominic Maggio , Luca Carlone

Attention matrices are fundamental to transformer research, supporting a broad range of applications including interpretability, visualization, manipulation, and distillation. Yet, most existing analyses focus on individual attention heads…

机器学习 · 计算机科学 2026-01-27 Ido Andrew Atad , Itamar Zimerman , Shahar Katz , Lior Wolf

In order to exploit representations of time-series signals, such as physiological signals, it is essential that these representations capture relevant information from the whole signal. In this work, we propose to use a Transformer-based…

神经元与认知 · 定量生物学 2022-06-06 Juan Vazquez-Rodriguez , Grégoire Lefebvre , Julien Cumin , James L. Crowley

Data-driven learning of partial differential equations' solution operators has recently emerged as a promising paradigm for approximating the underlying solutions. The solution operators are usually parameterized by deep learning models…

机器学习 · 计算机科学 2023-05-01 Zijie Li , Kazem Meidani , Amir Barati Farimani

Analyzing individual emotions during group conversation is crucial in developing intelligent agents capable of natural human-machine interaction. While reliable emotion recognition techniques depend on different modalities (text, audio,…

In person re-identification (re-ID), the key task is feature representation, which is used to compute distance or similarity in prediction. Person re-ID achieves great improvement when deep learning methods are introduced to tackle this…

计算机视觉与模式识别 · 计算机科学 2019-01-18 Jiabao Wang , Yang Li , Zhuang Miao

Self-attention is an attention mechanism that learns a representation by relating different positions in the sequence. The transformer, which is a sequence model solely based on self-attention, and its variants achieved state-of-the-art…

声音 · 计算机科学 2019-06-13 Minz Won , Sanghyuk Chun , Xavier Serra

Hyperspectral change detection plays an essential role of monitoring the dynamic urban development and detecting precise fine object evolution and alteration. In this paper, we have proposed an original Efficient Multi-temporal…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Meiqi Hu , Chen Wu , Bo Du

Deep learning models for tabular data typically do not allow for imposing a graph of external dependencies between samples, which can be useful for accounting for relatedness in tasks such as treatment effect estimation. Graph neural…

机器学习 · 计算机科学 2025-12-09 Andrei V. Konstantinov , Valerii A. Zuev , Lev V. Utkin

Earth Observatory is a growing research area that can capitalize on the powers of AI for short time forecasting, a Now-casting scenario. In this work, we tackle the challenge of weather forecasting using a video transformer network. Vision…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Alabi Bojesomo , Hasan Al Marzouqi , Panos Liatsis

Transformers are widely used in natural language processing, where they consistently achieve state-of-the-art performance. This is mainly due to their attention-based architecture, which allows them to model rich linguistic relations…

计算与语言 · 计算机科学 2022-11-29 Nikolaos Mylonas , Ioannis Mollas , Grigorios Tsoumakas

Many ensemble-based models have been proposed to solve machine learning problems in the survival analysis framework, including random survival forests, the gradient boosting machine with weak survival models, ensembles of the Cox models. To…

机器学习 · 计算机科学 2024-12-11 Lev V. Utkin , Semen P. Khomets , Vlada A. Efremenko , Andrei V. Konstantinov

This paper presents a new method to solve keypoint detection and instance association by using Transformer. For bottom-up multi-person pose estimation models, they need to detect keypoints and learn associative information between…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Sen Yang , Zhicheng Wang , Ze Chen , Yanjie Li , Shoukui Zhang , Zhibin Quan , Shu-Tao Xia , Yiping Bao , Erjin Zhou , Wankou Yang