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Image deraining is crucial for improving visual quality and supporting reliable downstream vision tasks. Although Mamba-based models provide efficient sequence modeling, their limited ability to capture fine-grained details and lack of…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Zhiliang Zhu , Tao Zeng , Tao Yang , Guoliang Luo , Jiyong Zeng

Image restoration endeavors to reconstruct a high-quality, detail-rich image from a degraded counterpart, which is a pivotal process in photography and various computer vision systems. In real-world scenarios, different types of degradation…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Yuhong He , Long Peng , Qiaosi Yi , Chen Wu , Lu Wang

The widespread adoption of mobile communication technology has led to a severe shortage of spectrum resources, driving the development of cognitive radio technologies aimed at improving spectrum utilization, with spectrum sensing being the…

信号处理 · 电气工程与系统科学 2025-04-11 Shilian Zheng , Zhihao Ye , Luxin Zhang , Keqiang Yue , Zhijin Zhao

Diffusion models achieve remarkable quality in image generation, but at a cost. Iterative denoising requires many time steps to produce high fidelity images. We argue that the denoising process is crucially limited by an accumulation of the…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Hui Lu , Albert ali Salah , Ronald Poppe

Scene reconstruction in the presence of high-speed motion and low illumination is important in many applications such as augmented and virtual reality, drone navigation, and autonomous robotics. Traditional motion estimation techniques fail…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Sacha Jungerman , Atul Ingle , Mohit Gupta

We present a novel method for accurate and efficient up- sampling of sparse depth data, guided by high-resolution imagery. Our approach goes beyond the use of intensity cues only and additionally exploits object boundary cues through…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Nick Schneider , Lukas Schneider , Peter Pinggera , Uwe Franke , Marc Pollefeys , Christoph Stiller

Diffusion models have been used in cosmological applications as a generative model for fast simulations and to reconstruct underlying cosmological fields or astrophysical images from noisy data. These two tasks are often treated as…

宇宙学与河外天体物理 · 物理学 2025-02-07 Supranta S. Boruah , Michael Jacob , Bhuvnesh Jain

Despite the recent development of deep learning-based point cloud upsampling, most MLP-based point cloud upsampling methods have limitations in that it is difficult to train the local and global structure of the point cloud at the same…

计算机视觉与模式识别 · 计算机科学 2023-05-03 Dohoon Kim , Minwoo Shin , Joonki Paik

Downsampling and feature extraction are essential procedures for 3D point cloud understanding. Existing methods are limited by the inconsistent point densities of different parts in the point cloud. In this work, we analyze the limitation…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Qi Wang , Sheng Shi , Jiahui Li , Wuming Jiang , Xiangde Zhang

In this paper, we improve image reconstruction in a single-pixel scanning system by selecting an detector optimal field of view. Image reconstruction is based on compressed sensing and image quality is compared to interpolated staring…

图像与视频处理 · 电气工程与系统科学 2020-10-02 Gene Stoltz , André Leon Nel

Due to the long-range modeling ability and linear complexity property, Mamba has attracted considerable attention in point cloud analysis. Despite some interesting progress, related work still suffers from imperfect point cloud…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Kanglin Qu , Pan Gao , Qun Dai , Zhanzhi Ye , Rui Ye , Yuanhao Sun

The search for refining 3D LiDAR data has attracted growing interest motivated by recent techniques such as supervised learning or generative model-based methods. Existing approaches have shown the possibilities for using diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Sander Elias Magnussen Helgesen , Kazuto Nakashima , Jim Tørresen , Ryo Kurazume

Sampling the distribution of bosons that have undergone a random unitary evolution is strongly believed to be a computationally hard problem. Key to outperforming classical simulations of this task is to increase both the number of input…

In the feature maps of CNNs, there commonly exists considerable spatial redundancy that leads to much repetitive processing. Towards reducing this superfluous computation, we propose to compute features only at sparsely sampled locations,…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Zhenda Xie , Zheng Zhang , Xizhou Zhu , Gao Huang , Stephen Lin

State space models have shown significant promise in Natural Language Processing (NLP) and, more recently, computer vision. This paper introduces a new methodology leveraging Mamba and Masked Autoencoder networks for point cloud data in…

Driven by the increasing demand for accurate and efficient representation of 3D data in various domains, point cloud sampling has emerged as a pivotal research topic in 3D computer vision. Recently, learning-to-sample methods have garnered…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Chengzhi Wu , Yuxin Wan , Hao Fu , Julius Pfrommer , Zeyun Zhong , Junwei Zheng , Jiaming Zhang , Jürgen Beyerer

This paper explores the problem of task-oriented downsampling over 3D point clouds, which aims to downsample a point cloud while maintaining the performance of subsequent applications applied to the downsampled sparse points as much as…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Yue Qian , Junhui Hou , Qijian Zhang , Yiming Zeng , Sam Kwong , Ying He

Single-beam scanning microscopy (SBSM) is one of the most robust strategies for commercial optical systems. Although structured illumination combined with Fourier-domain spatial spectrum fusion can enhance SBSM resolution beyond the…

光学 · 物理学 2025-07-15 Yongtao Liu , Tianxiao Wu , Xiao Zhou , Fan Wang

Pan-sharpening involves integrating information from low-resolution multi-spectral and high-resolution panchromatic images to generate high-resolution multi-spectral counterparts. While recent advancements in the state space model,…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Xuanhua He , Ke Cao , Keyu Yan , Rui Li , Chengjun Xie , Jie Zhang , Man Zhou

We introduce a novel framework for upsampled Point Spread Function (PSF) modeling using pixel-level Bayesian inference. Accurate PSF characterization is critical for precision measurements in many fields including: weak lensing, astrometry,…