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Structural clustering is one of the most popular graph clustering methods, which has achieved great performance improvement by utilizing GPUs. Even though, the state-of-the-art GPU-based structural clustering algorithm, GPUSCAN, still…

数据库 · 计算机科学 2023-12-01 Long Yuan , Zeyu Zhou , Xuemin Lin , Zi Chen , Xiang Zhao , Fan Zhang

Ptychography promises diffraction limited resolution without the need for high resolution lenses. To achieve high resolution one has to solve the phase problem for many partially overlapping frames. Here we review some of the existing…

光学 · 物理学 2012-09-24 C. Yang , J. Qian , A. Schirotzek , F. Maia , S. Marchesini

Currently, the size of scientific data is growing at an unprecedented rate. Data in the form of tensors exhibit high-order, high-dimensional, and highly sparse features. Although tensor-based analysis methods are very effective, the large…

分布式、并行与集群计算 · 计算机科学 2022-10-13 Zixuan Li

Digitizing 3D static scenes and 4D dynamic events from multi-view images has long been a challenge in computer vision and graphics. Recently, 3D Gaussian Splatting (3DGS) has emerged as a practical and scalable reconstruction method,…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Marko Mihajlovic , Sergey Prokudin , Siyu Tang , Robert Maier , Federica Bogo , Tony Tung , Edmond Boyer

Deep neural networks achieve state-of-the-art and sometimes super-human performance across various domains. However, when learning tasks sequentially, the networks easily forget the knowledge of previous tasks, known as "catastrophic…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Shixiang Tang , Dapeng Chen , Jinguo Zhu , Shijie Yu , Wanli Ouyang

Recent advances in 3D Gaussian Splatting have shown remarkable potential for novel view synthesis. However, most existing large-scale scene reconstruction methods rely on the divide-and-conquer paradigm, which often leads to the loss of…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Chuandong Liu , Huijiao Wang , Lei Yu , Gui-Song Xia

Degradation-agnostic image restoration aims to handle diverse corruptions with one unified model, but faces fundamental challenges in balancing efficiency and performance across different degradation types. Existing approaches either…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Bin Ren , Yawei Li , Xu Zheng , Yuqian Fu , Danda Pani Paudel , Hong Liu , Ming-Hsuan Yang , Luc Van Gool , Nicu Sebe

We present a new method for image reconstruction which replaces the projector in a projected gradient descent (PGD) with a convolutional neural network (CNN). CNNs trained as high-dimensional (image-to-image) regressors have recently been…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Harshit Gupta , Kyong Hwan Jin , Ha Q. Nguyen , Michael T. McCann , Michael Unser

The non-uniform photoelectric response of infrared imaging systems results in fixed-pattern stripe noise being superimposed on infrared images, which severely reduces image quality. As the applications of degraded infrared images are…

图像与视频处理 · 电气工程与系统科学 2022-09-30 Zeshan Fayyaz , Daniel Platnick , Hannan Fayyaz , Nariman Farsad

Ptychography is a popular technique to achieve diffraction limited resolution images of a two or three dimensional sample using high frame rate detectors. We introduce a relaxation of common projection algorithms to account for…

光学 · 物理学 2013-10-08 Stefano Marchesini , Andre Schirotzek , Chao Yang , Hau-tieng Wu , Filipe Maia

Image segmentation is an important median level vision topic. Accurate and efficient multiphase segmentation for images with intensity inhomogeneity is still a great challenge. We present a new two-stage multiphase segmentation method…

最优化与控制 · 数学 2020-09-15 Xueyan Guo , Yunhua Xue , Chunlin Wu

FFT (fast Fourier transform) plays a very important role in many fields, such as digital signal processing, digital image processing and so on. However, in application, FFT becomes a factor of affecting the processing efficiency, especially…

分布式、并行与集群计算 · 计算机科学 2017-07-25 Fan Zhang , Chen Hu , Qiang Yin , Wei Hu

High throughput video acquisition is a challenging problem and has been drawing increasing attention. Existing high throughput imaging systems splice hundreds of sub-images/videos into high throughput videos, suffering from extremely high…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Chenxi Qiu , Tao Yue , Xuemei Hu

In this paper, a Feature-preserving Particle Generation (FPPG) method for arbitrary complex geometry is proposed. Instead of basing on implicit geometries, such as level-set, FPPG employs an explicit geometric representation for the…

计算物理 · 物理学 2025-01-07 Xingyue Yang , Zhenxiang Nie , Yuxin Dai , Zhe Ji

It is time-consuming to render high-resolution images in applications such as video games and virtual reality, and thus super-resolution technologies become increasingly popular for real-time rendering. However, it is challenging to…

图形学 · 计算机科学 2024-03-12 Jia Li , Ziling Chen , Xiaolong Wu , Lu Wang , Beibei Wang , Lei Zhang

Many image processing applications rely on partitioning an image into disjoint regions whose pixels are 'similar.' The watershed and waterfall transforms are established mathematical morphology pixel clustering techniques. They are both…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Varduhi Yeghiazaryan , Yeva Gabrielyan , Irina Voiculescu

Histopathology plays a pivotal role in medical diagnostics. In contrast to preparing permanent sections for histopathology, a time-consuming process, preparing frozen sections is significantly faster and can be performed during surgery,…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Elad Yoshai , Gil Goldinger , Miki Haifler , Natan T. Shaked

Advancements in AI have greatly enhanced the medical imaging process, making it quicker to diagnose patients. However, very few have investigated the optimization of a multi-model system with hardware acceleration. As specialized edge…

硬件体系结构 · 计算机科学 2025-10-03 Ashiyana Abdul Majeed , Mahmoud Meribout , Safa Mohammed Sali

BM3D has been considered the standard for comparison in the image denoising literature for the last decade. Though it has been shown to be surpassed numerous times by alternative algorithms in terms of PSNR, the margins are very thin, and…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Toby Sanders , Sean Larkin

Shortening acquisition time and reducing motion artifacts are the most critical challenges in magnetic resonance imaging (MRI). Deep learning-based image restoration has emerged as a promising solution capable of generating high-resolution…