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Recent works on learned image compression perform encoding and decoding processes in a full-resolution manner, resulting in two problems when deployed for practical applications. First, parallel acceleration of the autoregressive entropy…

图像与视频处理 · 电气工程与系统科学 2021-10-12 Yaojun Wu , Xin Li , Zhizheng Zhang , Xin Jin , Zhibo Chen

Frequency-specific patterns of neural activity are traditionally interpreted as sustained rhythmic oscillations, and related to cognitive mechanisms such as attention, high level visual processing or motor control. While alpha waves (8-12…

信号处理 · 电气工程与系统科学 2018-05-29 Tom Dupré La Tour , Thomas Moreau , Mainak Jas , Alexandre Gramfort

Transformers have achieved significant success in medical image segmentation, owing to its capability to capture long-range dependencies. Previous works incorporate convolutional layers into the encoder module of transformers, thereby…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Long Zeng , Kaigui Wu

The success of the compressed sensing paradigm has shown that a substantial reduction in sampling and storage complexity can be achieved in certain linear and non-adaptive estimation problems. It is therefore an advisable strategy for…

信息论 · 计算机科学 2014-08-27 Peter Jung , Philipp Walk

Deep 3-dimensional (3D) Convolutional Network (ConvNet) has shown promising performance on video recognition tasks because of its powerful spatio-temporal information fusion ability. However, the extremely intensive requirements on memory…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Haonan Wang , Jun Lin , Zhongfeng Wang

This paper considers clustered multi-task compressive sensing, a hierarchical model that solves multiple compressive sensing tasks by finding clusters of tasks that leverage shared information to mutually improve signal reconstruction. The…

信号处理 · 电气工程与系统科学 2023-10-03 Alexander Lin , Demba Ba

Hyperspectral imaging systems collect and process information from specific wavelengths across the electromagnetic spectrum. The fusion of multi-spectral bands in the visible spectrum has been exploited to improve face recognition…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Fariborz Taherkhani , Jeremy Dawson , Nasser M. Nasrabadi

We introduce an approach for efficient Markov chain Monte Carlo (MCMC) sampling for challenging high-dimensional distributions in sparse Bayesian learning (SBL). The core innovation involves using hierarchical prior-normalizing transport…

数值分析 · 数学 2025-05-30 Jan Glaubitz , Youssef Marzouk

In this paper, a convolutional sparse coding method based on global structure characteristics and spectral correlation is proposed for the reconstruction of compressive spectral images. The spectral data is regarded as the convolution sum…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Pan Wang , Jie Li , Jieru Chen , Lin Wang , Chun Qi

Deep learning generally suffers from enormous computational resources and time-consuming training processes. Broad Learning System (BLS) and its convolutional variants have been proposed to mitigate these issues and have achieved superb…

机器学习 · 计算机科学 2023-04-04 Chunyu Lei , C. L. Philip Chen , Jifeng Guo , Tong Zhang

Block encoding of sparse matrices underpins powerful quantum algorithms such as quantum singular value transformation, Hamiltonian simulation, and quantum linear solvers, yet its efficient gate-level realization for general sparse matrices…

量子物理 · 物理学 2026-04-07 Abhishek Setty

Iterative methods for tomographic image reconstruction have great potential for enabling high quality imaging from low-dose projection data. The computational burden of iterative reconstruction algorithms, however, has been an impediment in…

图像与视频处理 · 电气工程与系统科学 2019-07-25 Kai Zhang , Alireza Entezari

Tomographic imaging has benefited from advances in X-ray sources, detectors and optics to enable novel observations in science, engineering and medicine. These advances have come with a dramatic increase of input data in the form of faster…

分布式、并行与集群计算 · 计算机科学 2020-12-25 Stefano Marchesini , Anuradha Trivedi , Pablo Enfedaque , Talita Perciano , Dilworth Parkinson

In this paper, we present a novel transformer-based architecture for end-to-end image compression. Our architecture incorporates blocks that effectively capture local dependencies between tokens, eliminating the need for positional encoding…

图像与视频处理 · 电气工程与系统科学 2024-09-09 Bouzid Arezki , Fangchen Feng , Anissa Mokraoui

Convolution is the main building block of convolutional neural networks (CNN). We observe that an optimized CNN often has highly correlated filters as the number of channels increases with depth, reducing the expressive power of feature…

计算机视觉与模式识别 · 计算机科学 2020-09-28 Xudong Wang , Stella X. Yu

Deploying deep Convolutional Neural Networks (CNNs) is impacted by their memory footprint and speed requirements, which mainly come from convolution. Widely-used convolution algorithms, im2col and MEC, produce a lowered matrix from an…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Hossam Amer , Ahmed H. Salamah , Ahmad Sajedi , En-hui Yang

Deep learning methods are powerful tools but often suffer from expensive computation and limited flexibility. An alternative is to combine light-weight models with deep representations. As successful cases exist in several visual problems,…

计算机视觉与模式识别 · 计算机科学 2015-09-25 Bin Yang , Junjie Yan , Zhen Lei , Stan Z. Li

Robust matrix completion (RMC) is a widely used machine learning tool that simultaneously tackles two critical issues in low-rank data analysis: missing data entries and extreme outliers. This paper proposes a novel scalable and learnable…

机器学习 · 计算机科学 2026-05-22 HanQin Cai , Chandra Kundu , Jialin Liu , Wotao Yin

We present a novel feature selection technique, Sparse Linear Centroid-Encoder (SLCE). The algorithm uses a linear transformation to reconstruct a point as its class centroid and, at the same time, uses the $\ell_1$-norm penalty to filter…

机器学习 · 计算机科学 2023-06-12 Tomojit Ghosh , Michael Kirby , Karim Karimov

Compressive learning (CL) is an emerging framework that integrates signal acquisition via compressed sensing (CS) and machine learning for inference tasks directly on a small number of measurements. It can be a promising alternative to…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Chong Mou , Jian Zhang