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To more efficiently address image compressed sensing (CS) problems, we present a novel content-aware scalable network dubbed CASNet which collectively achieves adaptive sampling rate allocation, fine granular scalability and high-quality…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Bin Chen , Jian Zhang

While the depth of convolutional neural networks has attracted substantial attention in the deep learning research, the width of these networks has recently received greater interest. The width of networks, defined as the size of the…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Peng Liu , Xiaoxiao Zhou , Yangjunyi Li , El Basha Mohammad D , Ruogu Fang

Proximal gradient-based optimization is one of the most common strategies to solve inverse problem of images, and it is easy to implement. However, these techniques often generate heavy artifacts in image reconstruction. One of the most…

图像与视频处理 · 电气工程与系统科学 2023-10-13 Xiaohong Fan , Yin Yang , Ke Chen , Yujie Feng , Jianping Zhang

Deep unfolding networks (DUNs) have proven to be a viable approach to compressive sensing (CS). In this work, we propose a DUN called low-rank CS network (LR-CSNet) for natural image CS. Real-world image patches are often well-represented…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Tianfang Zhang , Lei Li , Christian Igel , Stefan Oehmcke , Fabian Gieseke , Zhenming Peng

A deep learning approach to blind denoising of images without complete knowledge of the noise statistics is considered. We propose DN-ResNet, which is a deep convolutional neural network (CNN) consisting of several residual blocks…

图像与视频处理 · 电气工程与系统科学 2019-04-12 Haoyu Ren , Mostafa El-Khamy , Jungwon Lee

Over the past few years, detection performance improvements of deep-learning based steganalyzers have been usually achieved through structure expansion. However, excessive expanded structure results in huge computational cost, storage…

多媒体 · 计算机科学 2020-06-25 Shunquan Tan , Weilong Wu , Zilong Shao , Qiushi Li , Bin Li , Jiwu Huang

Variational method and deep learning method are two mainstream powerful approaches to solve inverse problems in computer vision. To take advantages of advanced optimization algorithms and powerful representation ability of deep neural…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Qingchao Zhang , Yunmei Chen

Learned Iterative Shrinkage-Thresholding Algorithm (LISTA) introduces the concept of unrolling an iterative algorithm and training it like a neural network. It has had great success on sparse recovery. In this paper, we show that adding…

机器学习 · 计算机科学 2021-11-01 Xiaohan Chen , Jialin Liu , Zhangyang Wang , Wotao Yin

Deep learning approaches, known for their ability to model complex relationships and fast execution, are increasingly being applied to solve large optimization problems. However, existing methods often face challenges in simultaneously…

最优化与控制 · 数学 2025-12-16 Zisheng Zhou , Dengyu Zheng , Zirui Chen , Shixiang Chen

An approach to incorporate deep learning within an iterative image reconstruction framework to reconstruct images from severely incomplete measurement data is presented. Specifically, we utilize a convolutional neural network (CNN) as a…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Brendan Kelly , Thomas P. Matthews , Mark A. Anastasio

Structured pruning of filters or neurons has received increased focus for compressing convolutional neural networks. Most existing methods rely on multi-stage optimizations in a layer-wise manner for iteratively pruning and retraining which…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Shaohui Lin , Rongrong Ji , Chenqian Yan , Baochang Zhang , Liujuan Cao , Qixiang Ye , Feiyue Huang , David Doermann

Deep-neural-network-based image reconstruction has demonstrated promising performance in medical imaging for under-sampled and low-dose scenarios. However, it requires large amount of memory and extensive time for the training. It is…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Dufan Wu , Kyungsang Kim , Quanzheng Li

Traditionally, the vision community has devised algorithms to estimate the distance between an original image and images that have been subject to perturbations. Inspiration was usually taken from the human visual perceptual system and how…

机器学习 · 计算机科学 2020-11-18 Alexander Hepburn , Valero Laparra , Jesús Malo , Ryan McConville , Raul Santos-Rodriguez

Deep neural network has been ensured as a key technology in the field of many challenging and vigorously researched computer vision tasks. Furthermore, classical ResNet is thought to be a state-of-the-art convolutional neural network (CNN)…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Prathibha Varghese , G. Arockia Selva Saroja

Sparse coding is typically solved by iterative optimization techniques, such as the Iterative Shrinkage-Thresholding Algorithm (ISTA). Unfolding and learning weights of ISTA using neural networks is a practical way to accelerate estimation.…

机器学习 · 统计学 2019-05-28 Pierre Ablin , Thomas Moreau , Mathurin Massias , Alexandre Gramfort

Recent deep network-based compressive sensing (CS) methods have achieved great success. However, most of them regard different sampling matrices as different independent tasks and need to train a specific model for each target sampling…

计算机视觉与模式识别 · 计算机科学 2021-07-16 Di You , Jian Zhang , Jingfen Xie , Bin Chen , Siwei Ma

We propose a novel, structured pruning algorithm for neural networks -- the iterative, Sparse Structured Pruning algorithm, dubbed as i-SpaSP. Inspired by ideas from sparse signal recovery, i-SpaSP operates by iteratively identifying a…

机器学习 · 计算机科学 2022-03-31 Cameron R. Wolfe , Anastasios Kyrillidis

Although deep convolutional neural networks (CNNs) have achieved great success in computer vision tasks, its real-world application is still impeded by its voracious demand of computational resources. Current works mostly seek to compress…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Chen Zhao , Bernard Ghanem

Compressed sensing (CS) is a promising tool for reducing sampling costs. Current deep neural network (NN)-based CS methods face the challenges of collecting labeled measurement-ground truth (GT) data and generalizing to real applications.…

信号处理 · 电气工程与系统科学 2024-08-15 Bin Chen , Xuanyu Zhang , Shuai Liu , Yongbing Zhang , Jian Zhang

We propose a compressive sensing algorithm that exploits geometric properties of images to recover images of high quality from few measurements. The image reconstruction is done by iterating the two following steps: 1) estimation of normal…

计算机视觉与模式识别 · 计算机科学 2015-06-11 Virginia Estellers , Jean-Philippe Thiran , Xavier Bresson