English
Related papers

Related papers: An Approximate Solution for Symbol-Level Multiuser…

200 papers

We propose an efficient approach to semidefinite spectral clustering (SSC), which addresses the Frobenius normalization with the positive semidefinite (p.s.d.) constraint for spectral clustering. Compared with the original Frobenius norm…

Machine Learning · Computer Science 2014-02-25 Yan Yan , Chunhua Shen , Hanzi Wang

Integer-forcing (IF) precoding is an alternative to linear precoding for multi-user (MU) multiple-input-multiple-output (MIMO) channels, with the potential to offer superior performance at a similar complexity. In this letter, a…

Information Theory · Computer Science 2020-11-18 Ricardo Bohaczuk Venturelli , Danilo Silva

Subspace sparse coding (SSC) algorithms have proven to be beneficial to clustering problems. They provide an alternative data representation in which the underlying structure of the clusters can be better captured. However, most of the…

Machine Learning · Computer Science 2019-03-14 Babak Hosseini , Barbara Hammer

Linear programming (LP) is an extremely useful tool and has been successfully applied to solve various problems in a wide range of areas, including operations research, engineering, economics, or even more abstract mathematical areas such…

Data Structures and Algorithms · Computer Science 2020-03-19 Agniva Chowdhury , Palma London , Haim Avron , Petros Drineas

Integrating first-order logic constraints (FOLCs) with neural networks is a crucial but challenging problem since it involves modeling intricate correlations to satisfy the constraints. This paper proposes a novel neural layer, LogicMP,…

Artificial Intelligence · Computer Science 2025-10-10 Weidi Xu , Jingwei Wang , Lele Xie , Jianshan He , Hongting Zhou , Taifeng Wang , Xiaopei Wan , Jingdong Chen , Chao Qu , Wei Chu

Sign Language Translation (SLT) is a challenging task due to its cross-domain nature, involving the translation of visual-gestural language to text. Many previous methods employ an intermediate representation, i.e., gloss sequences, to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Benjia Zhou , Zhigang Chen , Albert Clapés , Jun Wan , Yanyan Liang , Sergio Escalera , Zhen Lei , Du Zhang

The paper studies the multi-user precoding problem as a non-convex optimization problem for wireless multiple input and multiple output (MIMO) systems. In our work, we approximate the target Spectral Efficiency function with a novel…

Information Theory · Computer Science 2022-06-22 Evgeny Bobrov , Dmitry Kropotov , Sergey Troshin , Danila Zaev

In this paper we propose two algorithms in the tabular setting and an algorithm for the function approximation setting for the Stochastic Shortest Path (SSP) problem. SSP problems form an important class of problems in Reinforcement…

Machine Learning · Computer Science 2025-12-03 Soumyajit Guin , Shalabh Bhatnagar

We propose a methodology at the nexus of operations research and machine learning (ML) leveraging generic approximators available from ML to accelerate the solution of mixed-integer linear two-stage stochastic programs. We aim at solving…

Optimization and Control · Mathematics 2022-06-14 Eric Larsen , Emma Frejinger , Bernard Gendron , Andrea Lodi

This brief introduces a hardware complexity reduction method for successive cancellation list (SCL) decoders. Specifically, we propose to use a sorting scheme so that L paths with smallest path metrics are also sorted according to their…

Hardware Architecture · Computer Science 2019-08-20 Onur Dizdar

Unimodular/Phase only sequence having impulse like aperiodic auto-correlation function plays a central role in the applications of RADAR, SONAR, Cryptography, and Wireless (CDMA) Communication Systems. In this paper, we propose a fast…

Signal Processing · Electrical Eng. & Systems 2020-07-16 Surya Prakash Sankuru , Prabhu Babu

In-context learning (ICL) enables efficient few-shot learning in large language models (LLMs) without training, but suffers from the quadratic input complexity of transformers, limiting the maximum number of exemplars. While various…

Computation and Language · Computer Science 2025-10-10 Shaoyi Zheng , Canyu Zhang , Tianyi Zhou , Shengjie Wang

Multi-layer perceptrons (MLP) have proven to be effective scene encoders when combined with higher-dimensional projections of the input, commonly referred to as \textit{positional encoding}. However, scenes with a wide frequency spectrum…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Zoe Landgraf , Alexander Sorkine Hornung , Ricardo Silveira Cabral

Text classification is a fundamental task in natural language processing (NLP), and large language models (LLMs) have demonstrated their capability to perform this task across various domains. However, the performance of LLMs heavily…

Computation and Language · Computer Science 2024-11-15 Mohammad Mahdi Mohajeri , Mohammad Javad Dousti , Majid Nili Ahmadabadi

Multi-label recognition with partial labels (MLR-PL), in which only some labels are known while others are unknown for each image, is a practical task in computer vision, since collecting large-scale and complete multi-label datasets is…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Haoxian Ruan , Zhihua Xu , Zhijing Yang , Yongyi Lu , Jinghui Qin , Tianshui Chen

Hyperparameter tuning is an important task of machine learning, which can be formulated as a bilevel program (BLP). However, most existing algorithms are not applicable for BLP with non-smooth lower-level problems. To address this, we…

Optimization and Control · Mathematics 2024-03-04 He Chen , Haochen Xu , Rujun Jiang , Anthony Man-Cho So

System Level Synthesis (SLS) parametrization facilitates controller synthesis for large, complex, and distributed systems by incorporating system level constraints (SLCs) into a convex SLS problem and mapping its solution to stable…

Systems and Control · Electrical Eng. & Systems 2021-01-14 Shih-Hao Tseng , Carmen {Amo Alonso} , SooJean Han

Spectral clustering is one of the fundamental unsupervised learning methods widely used in data analysis. Sparse spectral clustering (SSC) imposes sparsity to the spectral clustering and it improves the interpretability of the model. This…

Machine Learning · Statistics 2020-11-03 Zhongruo Wang , Bingyuan Liu , Shixiang Chen , Shiqian Ma , Lingzhou Xue , Hongyu Zhao

While the capacity, feasibility and methods to obtain codes for network coding problems are well studied, the decoding procedure and complexity have not garnered much attention. In this work, we pose the decoding problem at a sink node in a…

Information Theory · Computer Science 2016-01-19 Anindya Gupta , B. Sundar Rajan

In this paper an approach for decreasing the computational effort required for the split-step Fourier method (SSFM) is introduced. It is shown that using the sparsity property of the simulated signals, the compressive sampling algorithm can…

Computational Physics · Physics 2015-12-15 Cihan Bayindir