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As the basic task of point cloud analysis, classification is fundamental but always challenging. To address some unsolved problems of existing methods, we propose a network that captures geometric features of point clouds for better…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

While recent advancements in deep-learning point cloud upsampling methods have improved the input to intelligent transportation systems, they still suffer from issues of domain dependency between synthetic and real-scanned point clouds.…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Sangwon Lim , Karim El-Basyouny , Yee Hong Yang

Dense colored point clouds enhance visual perception and are of significant value in various robotic applications. However, existing learning-based point cloud upsampling methods are constrained by computational resources and batch…

机器人学 · 计算机科学 2024-09-04 Zixuan Guo , Yifan Xie , Weijing Xie , Peng Huang , Fei Ma , Fei Richard Yu

Video Compressed Sensing (VCS) aims to reconstruct multiple frames from one single captured measurement, thus achieving high-speed scene recording with a low-frame-rate sensor. Although there have been impressive advances in VCS recently,…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Yuhao Huang , Gangrong Qu , Youran Ge

Compressive imaging aims to recover a latent image from under-sampled measurements, suffering from a serious ill-posed inverse problem. Recently, deep neural networks have been applied to this problem with superior results, owing to the…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Yixiao Yang , Ran Tao , Kaixuan Wei , Ying Fu

Diffusion models have demonstrated superior performance across various generative tasks including images, videos, and audio. However, they encounter difficulties in directly generating high-resolution samples. Previously proposed solutions…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Juno Hwang , Yong-Hyun Park , Junghyo Jo

To deal with the exhausting annotations, self-supervised representation learning from unlabeled point clouds has drawn much attention, especially centered on augmentation-based contrastive methods. However, specific augmentations hardly…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Zhuheng Lu , Yuewei Dai , Weiqing Li , Zhiyong Su

3D model generation from single 2D RGB images is a challenging and actively researched computer vision task. Various techniques using conventional network architectures have been proposed for the same. However, the body of research work is…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Abdul Mueed Hafiz , Rouf Ul Alam Bhat , Shabir Ahmad Parah , M. Hassaballah

Existing deep learning methods for the reconstruction and denoising of point clouds rely on small datasets of 3D shapes. We circumvent the problem by leveraging deep learning methods trained on billions of images. We propose a method to…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Pietro Bonazzi , Marie-Julie Rakatosaona , Marco Cannici , Federico Tombari , Davide Scaramuzza

Semantic segmentation of high-resolution remote sensing images is vital in downstream applications such as land-cover mapping, urban planning and disaster assessment.Existing Transformer-based methods suffer from the constraint between…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Enze Zhu , Zhan Chen , Dingkai Wang , Hanru Shi , Xiaoxuan Liu , Lei Wang

Processing large point clouds is a challenging task. Therefore, the data is often sampled to a size that can be processed more easily. The question is how to sample the data? A popular sampling technique is Farthest Point Sampling (FPS).…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Oren Dovrat , Itai Lang , Shai Avidan

The analyses relying on 3D point clouds are an utterly complex task, often involving million of points, but also requiring computationally efficient algorithms because of many real-time applications; e.g. autonomous vehicle. However, point…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Single image super-resolution is an effective way to enhance the spatial resolution of remote sensing image, which is crucial for many applications such as target detection and image classification. However, existing methods based on the…

图像与视频处理 · 电气工程与系统科学 2020-11-22 Wenjia Xu , Guangluan Xu , Yang Wang , Xian Sun , Daoyu Lin , Yirong Wu

In the coded aperture snapshot spectral imaging system, Deep Unfolding Networks (DUNs) have made impressive progress in recovering 3D hyperspectral images (HSIs) from a single 2D measurement. However, the inherent nonlinear and ill-posed…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Mengjie Qin , Yuchao Feng , Zongliang Wu , Yulun Zhang , Xin Yuan

As remote sensing imaging technology continues to advance and evolve, processing high-resolution and diversified satellite imagery to improve segmentation accuracy and enhance interpretation efficiency emerg as a pivotal area of…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Yice Cao , Chenchen Liu , Zhenhua Wu , Wenxin Yao , Liu Xiong , Jie Chen , Zhixiang Huang

This paper addresses the problem of reconstructing a high-resolution hyperspectral image from a low-resolution multispectral observation. While spatial super-resolution and spectral super-resolution have been extensively studied, joint…

图像与视频处理 · 电气工程与系统科学 2025-06-02 Ivan Pereira-Sánchez , Julia Navarro , Ana Belén Petro , Joan Duran

Multimodal image fusion aims to integrate information from different imaging techniques to produce a comprehensive, detail-rich single image for downstream vision tasks. Existing methods based on local convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Xinyu Xie , Yawen Cui , Tao Tan , Xubin Zheng , Zitong Yu

Image correction and rectangling are valuable tasks in practical photography systems such as smartphones. Recent remarkable advancements in deep learning have undeniably brought about substantial performance improvements in these fields.…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Linwei Qiu , Gongzhe Li , Xiaozhe Zhang , Qilin Sun , Fengying Xie

Neural fields have rapidly been adopted for representing 3D signals, but their application to more classical 2D image-processing has been relatively limited. In this paper, we consider one of the most important operations in image…

Hyperspectral Imaging (HSI) has proven to be a powerful tool for capturing detailed spectral and spatial information across diverse applications. Despite the advancements in Deep Learning (DL) and Transformer architectures for HSI…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Muhammad Ahmad , Muhammad Usama , Manuel Mazzara , Salvatore Distefano