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Zero-shot learning (ZSL) refers to the problem of learning to classify instances from the novel classes (unseen) that are absent in the training set (seen). Most ZSL methods infer the correlation between visual features and attributes to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Zhe Liu , Yun Li , Lina Yao , Xianzhi Wang , Guodong Long

In this paper, we describe the deep sparse coding network (SCN), a novel deep network that encodes intermediate representations with nonnegative sparse coding. The SCN is built upon a number of cascading bottleneck modules, where each…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Xiaoxia Sun , Nasser M. Nasrabadi , Trac D. Tran

Sparse coding (SC) is attracting more and more attention due to its comprehensive theoretical studies and its excellent performance in many signal processing applications. However, most existing sparse coding algorithms are nonconvex and…

Machine Learning · Computer Science 2017-09-12 Xiaodong Feng , Zhiwei Tang , Sen Wu

Zeroth-order (ZO) optimization has emerged as a promising alternative to gradient-based backpropagation methods, particularly for black-box optimization and large language model (LLM) fine-tuning. However, ZO methods often suffer from slow…

Machine Learning · Computer Science 2025-05-26 Sihwan Park , Jihun Yun , SungYub Kim , Souvik Kundu , Eunho Yang

The training efficiency and scalability of language models on massive clusters currently remain a critical bottleneck. Mainstream approaches like ND parallelism are often cumbersome and complex, while flexible alternatives such as the Zero…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-24 Huawei Bai , Yifan Huang , Wenqi Shi , Ansheng You , Feifan Shao , Tengfei Han , Minghui Yu

Continuous phase modulation (CPM) plays an important role in wireless communications due to its constant envelope signal property and tight spectrum confinement capability. Although CPM has been studied for many years, CPM training…

Information Theory · Computer Science 2019-11-11 Zilong Liu , Yong Liang Guan , Chee-Cheon Chui

Capturing the structure of a data-generating process by means of appropriate inductive biases can help in learning models that generalize well and are robust to changes in the input distribution. While methods that harness spatial and…

Modern Machine Learning (ML) applications often benefit from structured sparsity, a technique that efficiently reduces model complexity and simplifies handling of sparse data in hardware. Sparse systolic tensor arrays - specifically…

Hardware Architecture · Computer Science 2025-04-29 Christodoulos Peltekis , Chrysostomos Nicopoulos , Giorgos Dimitrakopoulos

To recognize objects of the unseen classes, most existing Zero-Shot Learning(ZSL) methods first learn a compatible projection function between the common semantic space and the visual space based on the data of source seen classes, then…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Ziyu Wan , Dongdong Chen , Yan Li , Xingguang Yan , Junge Zhang , Yizhou Yu , Jing Liao

The paper considers sparse array design for receive beamforming achieving maximum signal-to-interference plus noise ratio (MaxSINR) for both single point source and multiple point sources, operating in an interference active environment.…

Signal Processing · Electrical Eng. & Systems 2020-01-08 Syed A. Hamza , Moeness G. Amin

We introduce and analyze Structured Stochastic Zeroth order Descent (S-SZD), a finite difference approach that approximates a stochastic gradient on a set of $l\leq d$ orthogonal directions, where $d$ is the dimension of the ambient space.…

Optimization and Control · Mathematics 2024-10-10 Marco Rando , Cesare Molinari , Silvia Villa , Lorenzo Rosasco

Despite the success of deep neural networks in vision, medical diagnosis, and IoT scenarios, their deployment on resource-limited platforms poses serious challenges due to their high storage requirements, computational complexity, and large…

Machine Learning · Computer Science 2026-05-19 Jayakrishna Amathi , Venkata Prasanth Yanambaka , Saraju P. Mohanty , Elias Kougianos

The autocorrelation of a Zadoff-Chu (ZC) sequence with a non-zero cyclically shifted version of itself is zero. Due to the interesting property, ZC sequences are widely used in the LTE air interface in the primary synchronization signal…

Information Theory · Computer Science 2016-04-07 Md Mashud Hyder , Kaushik Mahata

Correlation filters (CFs) are a class of classifiers that are attractive for object localization and tracking applications. Traditionally, CFs have been designed in the frequency domain using the discrete Fourier transform (DFT), where…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Joseph A. Fernandez , Vishnu Naresh Boddeti , Andres Rodriguez , B. V. K. Vijaya Kumar

Zero Added Loss Multiplexing (ZALM) offers broadband, per channel heralded EPR pairs, with a rich parameter space that allows its performance to be tailored for specific applications. We present a modular ZALM simulator that demonstrates…

Networking and Internet Architecture · Computer Science 2026-02-13 Jerry Horgan , Alexander Nico-Katz , Shelbi L. Jenkins , Ashley N. Tittelbaugh , Vivek Visan , Rohan Bali , Marco Ruffini , Boulat A. Bash , Daniel C. Kilper

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary massive…

Signal Processing · Electrical Eng. & Systems 2020-03-02 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang

Majorana zero modes (MZMs) have been predicted to exist in the topological insulator (TI)/superconductor (SC) heterostructure. Recent spin polarized scanning tunneling microscope (STM) experiment$^{1}$ has observed spin-polarization…

Superconductivity · Physics 2021-02-02 Lun-Hui Hu , Chuang Li , Dong-Hui Xu , Yi Zhou , Fu-Chun Zhang

Associative memories are structures that can retrieve previously stored information given a partial input pattern instead of an explicit address as in indexed memories. A few hardware approaches have recently been introduced for a new…

Hardware Architecture · Computer Science 2016-11-15 Hooman Jarollahi , Naoya Onizawa , Warren J. Gross

This paper introduces sparse coding and dictionary learning for Symmetric Positive Definite (SPD) matrices, which are often used in machine learning, computer vision and related areas. Unlike traditional sparse coding schemes that work in…

Computer Vision and Pattern Recognition · Computer Science 2014-09-02 Mehrtash Harandi , Richard Hartley , Brian Lovell , Conrad Sanderson

Recently slot filling has witnessed great development thanks to deep learning and the availability of large-scale annotated data. However, it poses a critical challenge to handle a novel domain whose samples are never seen during training.…

Computation and Language · Computer Science 2023-10-25 Yuanjun Shi , Linzhi Wu , Minglai Shao