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Mean-based reconstruction is a fundamental, natural approach to worst-case trace reconstruction over channels with synchronization errors. It is known that $\exp(O(n^{1/3}))$ traces are necessary and sufficient for mean-based worst-case…

信息论 · 计算机科学 2021-10-14 Mahdi Cheraghchi , Joseph Downs , João Ribeiro , Alexandra Veliche

Highly over-parameterized models can simultaneously memorize noisy labels and generalize well, yet how these behaviors coexist remains poorly understood. In this work, we investigate the underlying mechanisms of this coexistence using…

机器学习 · 计算机科学 2026-05-19 Linyu Liu , Pinyan Lu

This paper considers insertion and deletion channels with the additional assumption that the channel input sequence is implicitly divided into segments such that at most one edit can occur within a segment. No segment markers are available…

信息论 · 计算机科学 2018-03-19 Mahed Abroshan , Ramji Venkataramanan , Albert Guillen i Fabregas

The subjective evaluation of music generation techniques has been mostly done with questionnaire-based listening tests while ignoring the perspectives from music composition, arrangement, and soundtrack editing. In this paper, we propose an…

声音 · 计算机科学 2021-10-26 Wei-Tsung Lu , Meng-Hsuan Wu , Yuh-Ming Chiu , Li Su

A general quantum noisy channel is analyzed, wherein the transmitted qubits may experience symmetry-breaking decoherence, along with memory effects. We find the optimal basis not to be fully entangled, but a combination of factorized and…

量子物理 · 物理学 2015-05-13 Goren Gordon , Gershon Kurizki

We consider the problem of coding for the substring channel, in which information strings are observed only through their (multisets of) substrings. Due to existing DNA sequencing techniques and applications in DNA-based storage systems,…

信息论 · 计算机科学 2024-03-27 Yonatan Yehezkeally , Nikita Polyanskii

Denoising Diffusion Probabilistic Models have shown an impressive generation quality, although their long sampling chain leads to high computational costs. In this paper, we observe that a long sampling chain also leads to an error…

机器学习 · 计算机科学 2023-06-21 Mang Ning , Enver Sangineto , Angelo Porrello , Simone Calderara , Rita Cucchiara

Training diffusion models requires large datasets. However, acquiring large volumes of high-quality data can be challenging, for example, collecting large numbers of high-resolution images and long videos. On the other hand, there are many…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Xudong Ma

The performance of bit-interleaved coded modulation (BICM) with bit shaping (i.e., non-equiprobable bit probabilities in the underlying binary code) is studied. For the Gaussian channel, the rates achievable with BICM and bit shaping are…

信息论 · 计算机科学 2010-01-19 Albert Guillen i Fabregas , Alfonso Martinez

The multichannel generalization of the theory of spectral, scattering and decay control is presented. New universal algorithms of construction of complex quantum systems with given properties are suggested. Particularly, transformations of…

量子物理 · 物理学 2009-11-07 V. M. Chabanov , B. N. Zakhariev , I. V. Amirkhanov

Any physical process can be represented as a quantum channel mapping an initial state to a final state. Hence it can be characterized from the point of view of communication theory, i.e., in terms of its ability to transfer information.…

量子物理 · 物理学 2014-12-16 F. Caruso , V. Giovannetti , C. Lupo , S. Mancini

We consider information-theoretic bounds on expected generalization error for statistical learning problems in a networked setting. In this setting, there are $K$ nodes, each with its own independent dataset, and the models from each node…

信息论 · 计算机科学 2024-01-17 L. P. Barnes , Alex Dytso , H. V. Poor

A new coding technique, based on \textit{fixed block-length} codes, is proposed for the problem of communicating a pair of correlated sources over a $2-$user interference channel. Its performance is analyzed to derive a new set of…

信息论 · 计算机科学 2017-02-08 Arun Padakandla

Information transmission over channels with transceiver distortion is investigated via generalized mutual information (GMI) under Gaussian input distribution and nearest-neighbor decoding. A canonical transceiver structure in which the…

信息论 · 计算机科学 2016-02-11 Wenyi Zhang

We consider communication over a noisy network under randomized linear network coding. Possible error mechanism include node- or link- failures, Byzantine behavior of nodes, or an over-estimate of the network min-cut. Building on the work…

信息论 · 计算机科学 2007-11-27 Andrea Montanari , Ruediger Urbanke

A parametric point process model is developed, with modeling based on the assumption that sequential observations often share latent phenomena, while also possessing idiosyncratic effects. An alternating optimization method is proposed to…

机器学习 · 统计学 2018-02-14 Hongteng Xu , Lawrence Carin , Hongyuan Zha

In this paper the multicasting of independent parallel Gaussian sources over a binary erasure broadcasted channel is considered. Multiresolution embedded quantizer and layered joint source-channel coding schemes are used in order to serve…

信息论 · 计算机科学 2009-01-19 Ozgun Y. Bursalioglu , Maria Fresia , Giuseppe Caire , H. Vincent Poor

Recently, the authors showed that Reed-Muller (RM) codes achieve capacity on binary memoryless symmetric (BMS) channels with respect to bit error rate. This paper extends that work by showing that RM codes defined on non-binary fields,…

信息论 · 计算机科学 2023-05-16 Galen Reeves , Henry D. Pfister

Recording experiments and decoding algorithms are presented for evaluating the bit-error-rate of state-of-the-art magnetic bitpatterned media. The recording experiments are performed with a static tester and conventional hard-disk-drive…

信息论 · 计算机科学 2018-07-04 Yuri Obukhov , Pierre-Olivier Jubert , Daniel Bedau , Michael Grobis

The compositional generalization abilities of neural models have been sought after for human-like linguistic competence. The popular method to evaluate such abilities is to assess the models' input-output behavior. However, that does not…

计算与语言 · 计算机科学 2025-02-24 Ryoma Kumon , Hitomi Yanaka