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For lossy image compression, we develop a neural-based system which learns a nonlinear estimator for decoding from quantized representations. The system links two recurrent networks that \help" each other reconstruct same target image…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Ankur Mali , Alexander G. Ororbia , Clyde Lee Giles

Inverse problems exist in a wide variety of physical domains from aerospace engineering to medical imaging. The goal is to infer the underlying state from a set of observations. When the forward model that produced the observations is…

机器学习 · 计算机科学 2023-01-06 Chelsea Sidrane , Sydney Katz , Anthony Corso , Mykel J. Kochenderfer

The last decade has seen the parallel emergence in computational neuroscience and machine learning of neural network structures which spread the input signal randomly to a higher dimensional space; perform a nonlinear activation; and then…

神经与进化计算 · 计算机科学 2013-06-11 Jonathan Tapson , Andre van Schaik

Most machine translation systems generate text autoregressively from left to right. We, instead, use a masked language modeling objective to train a model to predict any subset of the target words, conditioned on both the input text and a…

计算与语言 · 计算机科学 2019-09-05 Marjan Ghazvininejad , Omer Levy , Yinhan Liu , Luke Zettlemoyer

In this work, we empirically confirm that non-autoregressive translation with an iterative refinement mechanism (IR-NAT) suffers from poor acceleration robustness because it is more sensitive to decoding batch size and computing device…

计算与语言 · 计算机科学 2022-10-20 Qiang Wang , Xinhui Hu , Ming Chen

We revisit the error correction scheme of real-valued signals when the codeword is corrupted by gross errors on a fraction of entries and a small noise on all the entries. Combining the recent developments of approximate message passing and…

信息论 · 计算机科学 2014-02-04 Jean Barbier , Florent Krzakala , Lenka Zdeborová , Pan Zhang

Autoregressive models use chain rule to define a joint probability distribution as a product of conditionals. These conditionals need to be normalized, imposing constraints on the functional families that can be used. To increase…

机器学习 · 计算机科学 2020-10-27 Chenlin Meng , Lantao Yu , Yang Song , Jiaming Song , Stefano Ermon

This paper presents a computationally feasible method to compute rigorous bounds on the interval-generalisation of regression analysis to account for epistemic uncertainty in the output variables. The new iterative method uses machine…

数据分析、统计与概率 · 物理学 2023-02-22 Krasymyr Tretiak , Georg Schollmeyer , Scott Ferson

Recovering Markov boundary -- the minimal set of variables that maximizes predictive performance for a response variable -- is crucial in many applications. While recent advances improve upon traditional constraint-based techniques by…

机器学习 · 计算机科学 2026-03-24 Khoa Nguyen , Bao Duong , Viet Huynh , Thin Nguyen

We consider the problem of a graph subjected to adversarial perturbations, such as those arising from cyber-attacks, where edges are covertly added or removed. The adversarial perturbations occur during the transmission of the graph between…

密码学与安全 · 计算机科学 2024-12-19 Saif Eddin Jabari

This paper presents a semantic-enhanced receiver framework for transmitting natural language sentences over noisy wireless channels using multiple short block codes. After ASCII encoding, the sentence is divided into segments, each…

信息论 · 计算机科学 2026-04-30 Jiafu Hao , Chentao Yue , Wanchun Liu , Branka Vucetic , Yonghui Li

Combining the message-passing paradigm with the global attention mechanism has emerged as an effective framework for learning over graphs. The message-passing paradigm and the global attention mechanism fundamentally generate node…

机器学习 · 计算机科学 2025-09-30 Haimin Zhang , Jiahao Xia , Min Xu

We propose a first-order autoregressive (i.e. AR(1)) model for dynamic network processes in which edges change over time while nodes remain unchanged. The model depicts the dynamic changes explicitly. It also facilitates simple and…

统计方法学 · 统计学 2022-05-12 Binyan Jiang , Jailing Li , Qiwei Yao

As new deep-learned error-correcting codes continue to be introduced, it is important to develop tools to interpret the designed codes and understand the training process. Prior work focusing on the deep-learned TurboAE has both interpreted…

信息论 · 计算机科学 2023-05-09 N. Devroye , A. Mulgund , R. Shekhar , Gy. Turán , M. Žefran , Y. Zhou

We study the theoretical performance of a combined approach to demodulation and decoding of binary continuous-phase modulated signals under repetition-like codes. This technique is motivated by a need to transmit packetized or framed data…

信息论 · 计算机科学 2014-04-28 Gaurav Thakur

Non-autoregressive (NAR) generation, which is first proposed in neural machine translation (NMT) to speed up inference, has attracted much attention in both machine learning and natural language processing communities. While NAR generation…

计算与语言 · 计算机科学 2023-07-07 Yisheng Xiao , Lijun Wu , Junliang Guo , Juntao Li , Min Zhang , Tao Qin , Tie-yan Liu

Machine learning methods are commonly used to solve inverse problems, wherein an unknown signal must be estimated from few indirect measurements generated via a known acquisition procedure. In particular, neural networks perform well…

机器学习 · 计算机科学 2025-12-05 Hannah Laus , Suzanna Parkinson , Vasileios Charisopoulos , Felix Krahmer , Rebecca Willett

Guessing random additive noise decoding (GRAND) is a noise-centric decoding method, which is suitable for ultra-reliable low-latency communications, as it supports high-rate error correction codes that generate short-length codewords. GRAND…

信息论 · 计算机科学 2022-12-12 Ioannis Chatzigeorgiou , Francisco A. Monteiro

This work introduces a decoding strategy for binary self-dual codes possessing an automorphism of a specific type. The proposed algorithm is a hard decision iterative decoding scheme. The enclosed experiments show that the new decoding…

信息论 · 计算机科学 2021-06-22 Radinka Yorgova

Recognizing symmetries in data allows for significant boosts in neural network training. In many cases, however, the underlying symmetry is present only in an idealized dataset, and is broken in the training data, due to effects such as…

高能物理 - 实验 · 物理学 2023-11-13 Edmund Witkowski , Daniel Whiteson