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Transformer architectures have achieved remarkable success across language, vision, and multimodal tasks, and there is growing demand for them to address in-context compositional learning tasks. In these tasks, models solve the target…

机器学习 · 计算机科学 2025-11-26 Wei Chen , Jingxi Yu , Zichen Miao , Qiang Qiu

High-throughput characterization often requires estimating parameters and model dimension from experimental data of limited quantity and quality. Such data may result in an ill-posed inverse problem, where multiple sets of parameters and…

量子物理 · 物理学 2026-04-08 Abigail N. Poteshman , Jiwon Yun , Tim H. Taminiau , Giulia Galli

We propose a system for visual scene analysis and recognition based on encoding the sparse, latent feature-representation of an image into a high-dimensional vector that is subsequently factorized to parse scene content. The sparse feature…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Christopher J. Kymn , Sonia Mazelet , Annabel Ng , Denis Kleyko , Bruno A. Olshausen

An ensemble method that fuses the output decision vectors of multiple feedforward-designed convolutional neural networks (FF-CNNs) to solve the image classification problem is proposed in this work. To enhance the performance of the…

计算机视觉与模式识别 · 计算机科学 2019-01-09 Yueru Chen , Yijing Yang , Wei Wang , C. -C. Jay Kuo

Inspired by the recent advances of image super-resolution using convolutional neural network (CNN), we propose a CNN-based block up-sampling scheme for intra frame coding. A block can be down-sampled before being compressed by normal intra…

多媒体 · 计算机科学 2017-08-08 Yue Li , Dong Liu , Houqiang Li , Li Li , Feng Wu , Hong Zhang , Haitao Yang

Weight pruning is among the most popular approaches for compressing deep convolutional neural networks. Recent work suggests that in a randomly initialized deep neural network, there exist sparse subnetworks that achieve performance…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Vinay Kumar Verma , Nikhil Mehta , Shijing Si , Ricardo Henao , Lawrence Carin

In this paper, we propose a new unsupervised feature learning framework, namely Deep Sparse Coding (DeepSC), that extends sparse coding to a multi-layer architecture for visual object recognition tasks. The main innovation of the framework…

机器学习 · 计算机科学 2013-12-23 Yunlong He , Koray Kavukcuoglu , Yun Wang , Arthur Szlam , Yanjun Qi

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

Driven by the continuous development of models such as Multi-Layer Perceptron, Convolutional Neural Network (CNN), and Transformer, deep learning has made breakthrough progress in fields such as computer vision and natural language…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Shuang Liu , Lina Zhao , Tian Wang , Huaqing Wang

Recently, deep learning-based image compression has made signifcant progresses, and has achieved better ratedistortion (R-D) performance than the latest traditional method, H.266/VVC, in both subjective metric and the more challenging…

图像与视频处理 · 电气工程与系统科学 2022-06-23 Haisheng Fu , Feng Liang , Jie Liang , Binglin Li , Guohe Zhang , Jingning Han

Compressed Sensing based Terahertz imaging (CS-THz) is a computational imaging technique. It uses only one THz receiver to accumulate the random modulated image measurements where the original THz image is reconstruct from these…

计算机视觉与模式识别 · 计算机科学 2013-09-25 Benyuan Liu , Hongqi Fan , Zaiqi Lu , Qiang Fu

Fusion frames are collection of subspaces which provide a redundant representation of signal spaces. They generalize classical frames by replacing frame vectors with frame subspaces. This paper considers the sparse recovery of a signal from…

信息论 · 计算机科学 2018-04-09 Ulaş Ayaz

Current learned image compression models typically exhibit high complexity, which demands significant computational resources. To overcome these challenges, we propose an innovative approach that employs hierarchical feature extraction…

图像与视频处理 · 电气工程与系统科学 2025-05-01 Ayman A. Ameen , Thomas Richter , André Kaup

In many statistical modeling problems, such as classification and regression, it is common to encounter sparse and blocky coefficients. Sparse fused Lasso is specifically designed to recover these sparse and blocky structured features,…

统计理论 · 数学 2024-05-30 Xiaofei Wu , Rongmei Liang , Zhimin Zhang , Zhenyu Cui

In recent years, analyzing task-based fMRI (tfMRI) data has become an essential tool for understanding brain function and networks. However, due to the sheer size of tfMRI data, its intrinsic complex structure, and lack of ground truth of…

分布式、并行与集群计算 · 计算机科学 2018-03-06 Milad Makkie , Heng Huang , Yu Zhao , Athanasios V. Vasilakos , Tianming Liu

Compressive Learning is an emerging topic that combines signal acquisition via compressive sensing and machine learning to perform inference tasks directly on a small number of measurements. Many data modalities naturally have a…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Dat Thanh Tran , Mehmet Yamac , Aysen Degerli , Moncef Gabbouj , Alexandros Iosifidis

The crucial role of convolutional models, both as standalone vision models and backbones in foundation models, necessitates effective acceleration techniques. This paper proposes a novel method to learn semi-structured sparsity patterns for…

机器学习 · 计算机科学 2024-11-04 David A. Danhofer

Natural signals and images are well-known to be approximately sparse in transform domains such as Wavelets and DCT. This property has been heavily exploited in various applications in image processing and medical imaging. Compressed sensing…

机器学习 · 计算机科学 2015-10-26 Saiprasad Ravishankar , Yoram Bresler

Deep Learning (DL) based Compressed Sensing (CS) has been applied for better performance of image reconstruction than traditional CS methods. However, most existing DL methods utilize the block-by-block measurement and each measurement…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Zhifeng Wang , Zhenghui Wang , Chunyan Zeng , Yan Yu , Xiangkui Wan

State-of-the-art approaches toward image restoration can be classified into model-based and learning-based. The former - best represented by sparse coding techniques - strive to exploit intrinsic prior knowledge about the unknown…

图像与视频处理 · 电气工程与系统科学 2018-11-29 Fangfang Wu , Weisheng Dong , Guangming Shi , Xin Li