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Convolutional Dictionary Learning (CDL) has emerged as a powerful approach for signal representation by learning translation-invariant features through convolution operations. While existing CDL methods are predominantly designed and used…

信号处理 · 电气工程与系统科学 2025-05-22 Hao Chen , Dayuan Tan

Convolutional sparse coding (CSC) is an important building block of many computer vision applications ranging from image and video compression to deep learning. We present two contributions to the state of the art in CSC. First, we…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Lama Affara , Bernard Ghanem , Peter Wonka

Data-driven modeling for nonlinear fluid flows using sparse convolution-based mapping into a feature space where the dynamics are Markov linear is explored in this article. The underlying principle of low-order models for fluid systems is…

流体动力学 · 物理学 2020-10-28 Chen Lu , Balaji Jayaraman , Joshua Whitman , Girish Chowdhary

The widespread adoption of convolutional neural networks (CNNs) in resource-constrained scenarios has driven the development of Machine Learning as a Service (MLaaS) system. However, this approach is susceptible to privacy leakage, as the…

密码学与安全 · 计算机科学 2025-08-20 Jinyu Lu , Xinrong Sun , Yunting Tao , Tong Ji , Fanyu Kong , Guoqiang Yang

Object segmentation and structure localization are important steps in automated image analysis pipelines for microscopy images. We present a convolution neural network (CNN) based deep learning architecture for segmentation of objects in…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Shan E Ahmed Raza , Linda Cheung , Muhammad Shaban , Simon Graham , David Epstein , Stella Pelengaris , Michael Khan , Nasir M. Rajpoot

Convolutional neural networks (CNNs) are a standard component of many current state-of-the-art Large Vocabulary Continuous Speech Recognition (LVCSR) systems. However, CNNs in LVCSR have not kept pace with recent advances in other domains…

计算与语言 · 计算机科学 2016-01-26 Tom Sercu , Christian Puhrsch , Brian Kingsbury , Yann LeCun

Convolutional layers have long served as the primary workhorse for image classification. Recently, an alternative to convolution was proposed using the Sharpened Cosine Similarity (SCS), which in theory may serve as a better feature…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Skyler Wu , Fred Lu , Edward Raff , James Holt

Pulsar candidate sifting is an essential process for discovering new pulsars. It aims to search for the most promising pulsar candidates from an all-sky survey, such as High Time Resolution Universe (HTRU), Green Bank Northern Celestial Cap…

天体物理仪器与方法 · 物理学 2023-12-27 Haitao Lin , Xiangru Li , Qingguo Zeng

Speaker verification aims to verify whether an input speech corresponds to the claimed speaker, and conventionally, this kind of system is deployed based on single-stream scenario, wherein the feature extractor operates in full frequency…

声音 · 计算机科学 2025-09-03 Wei Yao , Shen Chen , Jiamin Cui , Yaolin Lou

Sparse coding is an unsupervised learning algorithm that learns a succinct high-level representation of the inputs given only unlabeled data; it represents each input as a sparse linear combination of a set of basis functions. Originally…

机器学习 · 计算机科学 2012-06-26 Roger Grosse , Rajat Raina , Helen Kwong , Andrew Y. Ng

During the last years, Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance in image classification. Their architectures have largely drawn inspiration by models of the primate visual system. However, while recent…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Georgios Zoumpourlis , Alexandros Doumanoglou , Nicholas Vretos , Petros Daras

In this paper, we consider convolutional neural networks operating on sparse inputs with an application to depth upsampling from sparse laser scan data. First, we show that traditional convolutional networks perform poorly when applied to…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Jonas Uhrig , Nick Schneider , Lukas Schneider , Uwe Franke , Thomas Brox , Andreas Geiger

Pre-trained large models attract widespread attention in recent years, but they face challenges in applications that require high interpretability or have limited resources, such as physical sensing, medical imaging, and bioinformatics.…

机器学习 · 计算机科学 2025-01-24 Chaoqing Tang , Huanze Zhuang , Guiyun Tian , Zhenli Zeng , Yi Ding , Wenzhong Liu , Xiang Bai

The goal of this paper is to provide a new perspective on speech modeling by incorporating perceptual invariances such as amplitude scaling and temporal shifts. Conventional generative formulations often treat each dataset sample as a fixed…

音频与语音处理 · 电气工程与系统科学 2025-12-24 Doyeop Kwak , Youngjoon Jang , Joon Son Chung

With the increasing demand to deploy convolutional neural networks (CNNs) on mobile platforms, the sparse kernel approach was proposed, which could save more parameters than the standard convolution while maintaining accuracy. However,…

计算机视觉与模式识别 · 计算机科学 2018-10-12 Kun Wan , Boyuan Feng , Shu Yang , Yufei Ding

In this work, we propose a simple but effective channel pruning framework called Progressive Channel Pruning (PCP) to accelerate Convolutional Neural Networks (CNNs). In contrast to the existing channel pruning methods that prune channels…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Jinyang Guo , Weichen Zhang , Wanli Ouyang , Dong Xu

In this work we establish the relation between optimal control and training deep Convolution Neural Networks (CNNs). We show that the forward propagation in CNNs can be interpreted as a time-dependent nonlinear differential equation and…

神经与进化计算 · 计算机科学 2017-06-23 Eldad Haber , Lars Ruthotto , Elliot Holtham , Seong-Hwan Jun

Deep neural network architectures designed for application domains other than sound, especially image recognition, may not optimally harness the time-frequency representation when adapted to the sound recognition problem. In this work, we…

机器学习 · 计算机科学 2019-04-30 Fady Medhat , David Chesmore , John Robinson

Unsupervised cross-lingual speech representation learning (XLSR) has recently shown promising results in speech recognition by leveraging vast amounts of unlabeled data across multiple languages. However, standard XLSR model suffers from…

音频与语音处理 · 电气工程与系统科学 2022-03-10 Yizhou Lu , Mingkun Huang , Xinghua Qu , Pengfei Wei , Zejun Ma

We propose an online visual tracking algorithm by learning discriminative saliency map using Convolutional Neural Network (CNN). Given a CNN pre-trained on a large-scale image repository in offline, our algorithm takes outputs from hidden…

计算机视觉与模式识别 · 计算机科学 2015-02-25 Seunghoon Hong , Tackgeun You , Suha Kwak , Bohyung Han