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Motivated by the structure reconstruction problem in single-particle cryo-electron microscopy, we consider the multi-target detection model, where multiple copies of a target signal occur at unknown locations in a long measurement, further…

信息论 · 计算机科学 2020-04-22 Ti-Yen Lan , Tamir Bendory , Nicolas Boumal , Amit Singer

Physical-layer characteristics, such as channel state information (CSI) and transmitter noise induced by hardware impairments, are often uniquely associated with a transmitter. This paper investigates transmitter anonymity at the physical…

信号处理 · 电气工程与系统科学 2026-02-25 Yu Li , Milad Tatar Mamaghani , Xiangyun Zhou , Nan Yang

For any quantum transmission line, with smaller output dimension than its input, the number of classical symbols that can be reliably encoded is strictly suboptimal. In other words, if the channel outputs a lesser number of symbols than it…

Recent research in the design of end to end communication system using deep learning has produced models which can outperform traditional communication schemes. Most of these architectures leveraged autoencoders to design the encoder at the…

信息论 · 计算机科学 2020-01-28 Vishnu Raj , Sheetal Kalyani

We describe a method for fitting distributions to data which only requires knowledge of the parametric form of either the signal or the background but not both. The unknown distribution is fit using a non-parametric kernel density…

数据分析、统计与概率 · 物理学 2015-06-03 Wolfgang A. Rolke , Angel M. López

We formulate a model for intermittent communication that can capture bursty transmissions or a sporadically available channel, where in either case the receiver does not know a priori when the transmissions will occur. Focusing on the…

信息论 · 计算机科学 2017-03-20 Mostafa Khoshnevisan , J Nicholas Laneman

Deconvolution is a statistical inverse problem to estimate the distribution of a random variable based on its noisy observations. Despite the extensive studies on the topic, deconvolution with unknown noise distribution remains as a…

统计理论 · 数学 2020-04-06 Devavrat Shah , Dogyoon Song

In this paper, we present an algorithm for effectively reconstructing an object from a set of its tomographic projections without any knowledge of the viewing directions or any prior structural information, in the presence of pathological…

图像与视频处理 · 电气工程与系统科学 2019-06-12 Ritwick Chaudhry , Arunabh Ghosh , Ajit Rajwade

Semantic communications can reduce the resource consumption by transmitting task-related semantic information extracted from source messages. However, when the source messages are utilized for various tasks, e.g., wireless sensing data for…

信号处理 · 电气工程与系统科学 2023-03-28 Hongyang Du , Jiacheng Wang , Dusit Niyato , Jiawen Kang , Zehui Xiong , Junshan Zhang , Xuemin , Shen

We propose an information transmission scheme by a swarm of anonymous oblivious mobile robots on a graph. The swarm of robots travel from a sender vertex to a receiver vertex to transmit a symbol generated at the sender. The codeword for a…

分布式、并行与集群计算 · 计算机科学 2019-05-22 Yukiko Yamauchi , Masafumi Yamashita

We propose an effective deep learning model for signal reconstruction, which requires no signal prior, no noise model calibration, and no clean samples. This model only assumes that the noise is independent of the measurement and that the…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Feng Wang , Trond R. Henninen , Debora Keller , Rolf Erni

This paper studies reconstruction of strings based upon their substrings spectrum. Under this paradigm, it is assumed that all substrings of some fixed length are received and the goal is to reconstruct the string. While many existing works…

信息论 · 计算机科学 2021-06-02 Sagi Marcovich , Eitan Yaakobi

Self-supervised speech representations are known to encode both speaker and phonetic information, but how they are distributed in the high-dimensional space remains largely unexplored. We hypothesize that they are encoded in orthogonal…

计算与语言 · 计算机科学 2023-12-12 Oli Liu , Hao Tang , Sharon Goldwater

We come up with a novel application for image analysis methods in the context of direction dependent signal characteristics. For this purpose, we describe an inpainting approach adding benefit to technical signal information which are…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Leif Bergerhoff

We consider the problem of analyzing the structure of spectroscopic cubes using unsupervised machine learning techniques. We propose representing the target's signal as a homogeneous set of volumes through an iterative algorithm that…

天体物理仪器与方法 · 物理学 2018-06-15 Mauricio Araya , Marcelo Mendoza , Mauricio Solar , Diego Mardones , Amelia Bayo

A tomographic method is considered that forms images from sets of spatially randomized source signals and receiver sensitivities. The method is designed to allow image reconstruction for an extended number of transmitters and receivers in…

医学物理 · 物理学 2015-06-19 Gregory T. Clement , Tomoo Kamakura

The posterior matching scheme, for feedback encoding of a message point lying on the unit interval over memoryless channels, maximizes mutual information for an arbitrary number of channel uses. However, it in general does not always…

信息论 · 计算机科学 2019-01-10 Diego A. Mesa , Rui Ma , Siva K. Gorantla , Todd P. Coleman

Multiple stochastic signals possess inherent statistical correlations, yet conventional sampling methods that process each channel independently result in data redundancy. To leverage this correlation for efficient sampling, we model…

信号处理 · 电气工程与系统科学 2025-09-18 Lin Jin , Hang Sheng , Hui Feng , Bo Hu

Many image restoration techniques are highly dependent on the degradation used during training, and their performance declines significantly when applied to slightly different input. Blind and universal techniques attempt to mitigate this…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Noam Elron , Shahar S. Yuval , Dmitry Rudoy , Noam Levy

We consider wireless transmission of images in the presence of channel output feedback. From a Shannon theoretic perspective feedback does not improve the asymptotic end-to-end performance, and separate source coding followed by…

信息论 · 计算机科学 2020-04-13 David Burth Kurka , Deniz Gündüz