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Sparse autoencoders (SAEs) have emerged as a powerful technique for extracting human-interpretable features from neural networks activations. Previous works compared different models based on SAE-derived features but those comparisons have…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Clément Cornet , Romaric Besançon , Hervé Le Borgne

In this paper, we explore cooperative sensing and communication within cell-free integrated sensing and communication (ISAC) systems. Specifically, multiple transmit access points (APs) collaboratively serve multiple communication users…

信号处理 · 电气工程与系统科学 2025-02-17 Rang Liu , Ming Li , Qian Liu

Channel Autoencoders (CAEs) have shown significant potential in optimizing the physical layer of a wireless communication system for a specific channel through joint end-to-end training. However, the practical implementation of CAEs faces…

机器学习 · 计算机科学 2025-02-11 Ali Owfi , Jonathan Ashdown , Kurt Turck , Fatemeh Afghah

Object-centric representations form the basis of human perception, and enable us to reason about the world and to systematically generalize to new settings. Currently, most works on unsupervised object discovery focus on slot-based…

机器学习 · 计算机科学 2022-11-21 Sindy Löwe , Phillip Lippe , Maja Rudolph , Max Welling

The collaborative sensing of multiple Integrated sensing and communication (ISAC) base stations is one of the important technologies to achieve intelligent transportation. Interference elimination between ISAC base stations is the…

信息论 · 计算机科学 2022-06-23 Wangjun Jiang , Zhiqing Wei , Zhiyong Feng

Autoencoders are commonly trained using element-wise loss. However, element-wise loss disregards high-level structures in the image which can lead to embeddings that disregard them as well. A recent improvement to autoencoders that helps…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

A recent line of work has shown promise in using sparse autoencoders (SAEs) to uncover interpretable features in neural network representations. However, the simple linear-nonlinear encoding mechanism in SAEs limits their ability to perform…

机器学习 · 计算机科学 2025-01-31 Charles O'Neill , Alim Gumran , David Klindt

This paper introduces SenPa-MAE, a transformer architecture that encodes the sensor parameters of an observed multispectral signal into the image embeddings. SenPa-MAE can be pre-trained on imagery of different satellites with non-matching…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Jonathan Prexl , Michael Schmitt

In this paper, an unsupervised deep learning framework based on dual-path model-driven variational auto-encoders (VAE) is proposed for angle-of-arrivals (AoAs) and channel estimation in massive MIMO systems. Specifically designed for…

信号处理 · 电气工程与系统科学 2023-05-31 Zhiheng Guo , Yuanzhang Xiao , Xiang Chen

In this paper, we introduce an innovative hierarchical joint source-channel coding (HJSCC) framework for image transmission, utilizing a hierarchical variational autoencoder (VAE). Our approach leverages a combination of bottom-up and…

图像与视频处理 · 电气工程与系统科学 2025-03-18 Guangyi Zhang , Hanlei Li , Yunlong Cai , Qiyu Hu , Guanding Yu , Runmin Zhang

This work investigates a multibeam system for joint sensing and communication (JSC) based on multiple-input multiple-output (MIMO) 5G new radio (NR) waveforms. In particular, we consider a base station (BS) acting as a monostatic sensor…

信号处理 · 电气工程与系统科学 2024-05-31 Lorenzo Pucci , Enrico Paolini , Andrea Giorgetti

This paper proposes a novel technique to obtain better downstream ASR performance from a joint encoder-decoder self-supervised model when trained with speech pooled from two different channels (narrow and wide band). The joint…

音频与语音处理 · 电气工程与系统科学 2023-06-06 Vrunda N. Sukhadia , A. Arunkumar , S. Umesh

The sixth-generation (6G) network is envisioned to integrate communication and sensing functions, so as to improve the spectrum efficiency (SE) and support explosive novel applications. Although the similarities of wireless communication…

信号处理 · 电气工程与系统科学 2022-12-06 Xinran Fang , Wei Feng , Yunfei Chen , Ning Ge , Yan Zhang

To truly understand vision models, we must not only interpret their learned features but also validate these interpretations through controlled experiments. While earlier work offers either rich semantics or direct control, few post-hoc…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Samuel Stevens , Wei-Lun Chao , Tanya Berger-Wolf , Yu Su

We present a detailed study on Variational Autoencoders (VAEs) for anomalous jet tagging at the Large Hadron Collider. By taking in low-level jet constituents' information, and training with background QCD jets in an unsupervised manner,…

高能物理 - 唯象学 · 物理学 2023-01-05 Taoli Cheng , Jean-François Arguin , Julien Leissner-Martin , Jacinthe Pilette , Tobias Golling

In Integrated Sensing and Communication (ISAC) systems, matching the radar targets with communication user equipments (UEs) is functional to several communication tasks, such as proactive handover and beam prediction. In this paper, we…

网络与互联网体系结构 · 计算机科学 2024-09-04 Lorenzo Cazzella , Marouan Mizmizi , Dario Tagliaferri , Damiano Badini , Matteo Matteucci , Umberto Spagnolini

We present an autoencoder that leverages learned representations to better measure similarities in data space. By combining a variational autoencoder with a generative adversarial network we can use learned feature representations in the…

机器学习 · 计算机科学 2016-02-12 Anders Boesen Lindbo Larsen , Søren Kaae Sønderby , Hugo Larochelle , Ole Winther

Joint communications and sensing (JCAS) is envisioned as a key feature in future wireless communications networks. In massive MIMO-JCAS systems, hybrid beamforming (HBF) is typically employed to achieve satisfactory beamforming gains with…

Most existing methods for unsupervised industrial anomaly detection train a separate model for each object category. This kind of approach can easily capture the category-specific feature distributions, but results in high storage cost and…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Jiangqi Liu , Feng Wang

To realize robust end-to-end Automatic Speech Recognition(E2E ASR) under radio communication condition, we propose a multitask-based method to joint train a Speech Enhancement (SE) module as the front-end and an E2E ASR model as the…

音频与语音处理 · 电气工程与系统科学 2021-07-23 Duo Ma , Nana Hou , Van Tung Pham , Haihua Xu , Eng Siong Chng