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The so-called Forward-Forward Algorithm (FFA) has recently gained momentum as an alternative to the conventional back-propagation algorithm for neural network learning, yielding competitive performance across various modeling tasks. By…

机器学习 · 计算机科学 2025-01-10 Erik B. Terres-Escudero , Javier Del Ser , Pablo Garcia Bringas

The Forward-Forward algorithm is an alternative learning method which consists of two forward passes rather than a forward and backward pass employed by backpropagation. Forward-Forward networks employ layer local loss functions which are…

机器学习 · 计算机科学 2025-04-16 Reece Adamson

Compress-forward (CF) relays can improve communication rates even when the relay cannot decode the source signal. Efficient implementation of CF is a topic of contemporary interest, in part because of its potential impact on wireless…

信息论 · 计算机科学 2023-01-10 Heping Wan , Anders Host-Madsen , Aria Nosratinia

We propose a Branch-and-Cut (B&C) method for solving general MAP-MRF inference problems. The core of our method is a very efficient bounding procedure, which combines scalable semidefinite programming (SDP) and a cutting-plane method for…

计算机视觉与模式识别 · 计算机科学 2015-09-10 Peng Wang , Chunhua Shen , Anton van den Hengel , Philip Torr

The availability of working quantum computers has led to several proposals and claims of quantum advantage. In 2023, this has included claims that quantum computers can successfully factor large integers, by optimizing the search for nearby…

量子物理 · 物理学 2023-08-16 Willie Aboumrad , Dominic Widdows , Ananth Kaushik

We can design efficient quantum error-correcting (QEC) codes by tailoring them to our choice of quantum architecture. Useful tools for constructing such codes include Clifford deformations and appropriate gauge fixings of compass codes. In…

量子物理 · 物理学 2026-04-22 Julie A. Campos , Kenneth R. Brown

Backpropagation algorithm has been widely used as a mainstream learning procedure for neural networks in the past decade, and has played a significant role in the development of deep learning. However, there exist some limitations…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Gongpei Zhao , Tao Wang , Yidong Li , Yi Jin , Congyan Lang , Haibin Ling

We explore the feasibility of fault-tolerant quantum computation using the bit-flip repetition code in a biased noise channel where only the bit-flip error can occur. While several logic gates can potentially produce phase-flip errors even…

量子物理 · 物理学 2024-06-26 Shoichiro Tsutsui , Keita Kanno

Fault-tolerant capacities quantify the ability of a quantum channel to reliably transmit information when every component of the encoding and decoding procedure is noisy. Earlier work analyzed achievable communication rates under such noise…

量子物理 · 物理学 2026-02-11 Paula Belzig , Hayata Yamasaki

Lattice codes used under the Compute-and-Forward paradigm suggest an alternative strategy for the standard Gaussian multiple-access channel (MAC): The receiver successively decodes integer linear combinations of the messages until it can…

信息论 · 计算机科学 2016-11-17 Jingge Zhu , Michael Gastpar

The Cosmic Microwave Background (CMB) data analysis and the map-making process rely heavily on the use of spherical harmonics. For suitable pixelizations of the sphere, the (forward and inverse) Fourier transform plays a crucial role in…

Achieving reliable performance on early fault-tolerant quantum hardware will depend on protocols that manage noise without incurring prohibitive overhead. We propose a novel framework that integrates quantum computation with the…

量子物理 · 物理学 2026-03-10 IlKwon Sohn , Changyeol Lee , Wooyeong Song , Kwangil Bae , Wonhyuk Lee

In cognitive radio networks, channel aggregation (CA) and channel fragmentation (CF) techniques have been proposed to enhance the spectrum utilization. While most of the literature studies CA and CF independently, in this paper we combine…

网络与互联网体系结构 · 计算机科学 2012-06-14 Lei Li , Sihai Zhang , Kaiwei Wang , Wuyang Zhou

Superdense coding promises increased classical capacity and communication security but this advantage may be undermined by noise in the quantum channel. We present a numerical study of how forward error correction (FEC) applied to the…

量子物理 · 物理学 2016-05-25 Ronald J. Sadlier , Travis S. Humble

In this work, we investigate a coding strategy devised to increase the throughput in hybrid ARQ (HARQ) transmission over block fading channel. In our approach, the transmitter jointly encodes a variable number of bits for each round of…

We consider the full-duplex two-way relay channel with direct link between two users and propose two coding schemes: a partial decode-forward scheme, and a combined decode-forward and compute-forward scheme. Both schemes use rate-splitting…

信息论 · 计算机科学 2011-08-19 Peng Zhong , Mai Vu

This paper studies the tradeoff between channel coding and ARQ (automatic repeat request) in Rayleigh block-fading channels. A heavily coded system corresponds to a low transmission rate with few ARQ re-transmissions, whereas lighter coding…

信息论 · 计算机科学 2015-03-13 Peng Wu , Nihar Jindal

Lattice codes are elegant and powerful structures that not only can achieve the capacity of the AWGN channel but are also a key ingredient to many multiterminal schemes that exploit linearity properties. However, constructing lattice codes…

信息论 · 计算机科学 2019-05-07 Paulo Ricardo Branco da Silva , Danilo Silva

In this paper, we consider the information-theoretic characterization of the set of achievable rates and distortions in a broad class of multiterminal communication scenarios with general continuous-valued sources and channels. A framework…

信息论 · 计算机科学 2022-02-24 Farhad Shirani , S. Sandeep Pradhan

Compute-forward multiple access (CFMA) is a transmission strategy which allows the receiver in a multiple access channel (MAC) to first decode linear combinations of the transmitted signals and then solve for individual messages. Compared…

信息论 · 计算机科学 2024-05-10 Lanwei Zhang , Jamie Evans , Jingge Zhu