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Conventional image retrieval techniques for Structure-from-Motion (SfM) suffer from the limit of effectively recognizing repetitive patterns and cannot guarantee to create just enough match pairs with high precision and high recall. In this…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Shen Yan , Yang Pen , Shiming Lai , Yu Liu , Maojun Zhang

Snapshot compressive imaging (SCI) encodes high-speed scene video into a snapshot measurement and then computationally makes reconstructions, allowing for efficient high-dimensional data acquisition. Numerous algorithms, ranging from…

图像与视频处理 · 电气工程与系统科学 2022-10-19 Honghao Huang , Jiajie Teng , Yu Liang , Chengyang Hu , Minghua Chen , Sigang Yang , Hongwei Chen

For multimodal skeleton-based action recognition, Graph Convolutional Networks (GCNs) are effective models. Still, their reliance on floating-point computations leads to high energy consumption, limiting their applicability in…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Naichuan Zheng , Yuchen Du , Hailun Xia , Zeyu Liang

Graph-based neural network models are gaining traction in the field of representation learning due to their ability to uncover latent topological relationships between entities that are otherwise challenging to identify. These models have…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Aryan Singh , Pepijn Van de Ven , Ciarán Eising , Patrick Denny

Graph neural networks (GNNs) have emerged as a powerful tool to process graph-based data in fields like communication networks, molecular interactions, chemistry, social networks, and neuroscience. GNNs are characterized by the ultra-sparse…

硬件体系结构 · 计算机科学 2023-07-14 Nanda K. Unnikrishnan , Joe Gould , Keshab K. Parhi

Compressive sensing (CS) is a new approach for the acquisition and recovery of sparse signals and images that enables sampling rates significantly below the classical Nyquist rate. Despite significant progress in the theory and methods of…

计算机视觉与模式识别 · 计算机科学 2013-06-27 Aswin C Sankaranarayanan , Pavan K Turaga , Rama Chellappa , Richard G Baraniuk

Computational ghost imaging (CGI) has recently been intensively studied as an indirect imaging technique. However, the speed of CGI cannot meet the requirements of practical applications. Here, we propose a novel CGI scheme for high-speed…

图像与视频处理 · 电气工程与系统科学 2021-07-15 Hao Zhang , Deyang Duan

Efficient image compression relies on modeling both local and global redundancy. Most state-of-the-art (SOTA) learned image compression (LIC) methods are based on CNNs or Transformers, which are inherently rigid. Standard CNN kernels and…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Yunuo Chen , Bing He , Zezheng Lyu , Hongwei Hu , Qunshan Gu , Yuan Tian , Guo Lu

Spatial resolution adaptation is a technique which has often been employed in video compression to enhance coding efficiency. This approach encodes a lower resolution version of the input video and reconstructs the original resolution…

图像与视频处理 · 电气工程与系统科学 2021-06-16 Di Ma , Mariana Afonso , Fan Zhang , David R. Bull

Video snapshot compressive imaging (SCI) captures dynamic scene sequences through a two-dimensional (2D) snapshot, fundamentally relying on optical modulation for hardware compression and the corresponding software reconstruction. While…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Ge Wang , Xing Liu , Xin Yuan

Human action recognition in videos is a critical task with significant implications for numerous applications, including surveillance, sports analytics, and healthcare. The challenge lies in creating models that are both precise in their…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yufei Xie

Sampling high-dimensional images is challenging due to limited availability of sensors; scanning is usually necessary in these cases. To mitigate this challenge, snapshot compressive imaging (SCI) was proposed to capture the…

图像与视频处理 · 电气工程与系统科学 2020-05-19 Xin Yuan

The control of high-dimensional systems, such as soft robots, requires models that faithfully capture complex dynamics while remaining computationally tractable. This work presents a framework that integrates Graph Neural Network…

Magnetic Resonance Imaging allows high resolution data acquisition with the downside of motion sensitivity due to relatively long acquisition times. Even during the acquisition of a single 2D slice, motion can severely corrupt the image.…

数值分析 · 数学 2024-04-12 Mathias S. Feinler , Bernadette N. Hahn

Magnetic Resonance Imaging allows high resolution data acquisition with the downside of motion sensitivity due to relatively long acquisition times. Even during the acquisition of a single 2D slice, motion can severely corrupt the image.…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Mathias S. Feinler , Bernadette N. Hahn

Convolutional Neural Networks (CNNs) have revolutionized the understanding of visual content. This is mainly due to their ability to break down an image into smaller pieces, extract multi-scale localized features and compose them to…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zachary Wharton , Ardhendu Behera , Asish Bera

Convolutional neural networks (CNNs) are usually used as a backbone to design methods in biomedical image segmentation. However, the limitation of receptive field and large number of parameters limit the performance of these methods. In…

图像与视频处理 · 电气工程与系统科学 2022-09-27 Chong Wu , Zhenan Feng , Houwang Zhang , Hong Yan

Graph Convolutional Networks (GCNs) have been widely used in skeleton-based human action recognition. In GCN-based methods, the spatio-temporal graph is fundamental for capturing motion patterns. However, existing approaches ignore the…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Chang Li , Qian Huang , Yingchi Mao

In this paper, an efficient super-resolution (SR) method based on deep convolutional neural network (CNN) is proposed, namely Gradual Upsampling Network (GUN). Recent CNN based SR methods often preliminarily magnify the low resolution (LR)…

计算机视觉与模式识别 · 计算机科学 2018-07-05 Yang Zhao , Guoqing Li , Wenjun Xie , Wei Jia , Hai Min , Xiaoping Liu

Most deep network methods for compressive sensing reconstruction suffer from the black-box characteristic of DNN. In this paper, a deep neural network with interpretable motion estimation named CSMCNet is proposed. The network is able to…

图像与视频处理 · 电气工程与系统科学 2021-08-04 Bowen Huang , Xiao Yan , Jinjia Zhou , Yibo Fan