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For years, Single Image Super Resolution (SISR) has been an interesting and ill-posed problem in computer vision. The traditional super-resolution (SR) imaging approaches involve interpolation, reconstruction, and learning-based methods.…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Karthick Prasad Gunasekaran

We present Spatial Lifting (SL), a novel methodology for dense prediction tasks. SL operates by lifting standard inputs, such as 2D images, into a higher-dimensional space and subsequently processing them using networks designed for that…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Mingzhi Xu , Yizhe Zhang

DETR-based methods, which use multi-layer transformer decoders to refine object queries iteratively, have shown promising performance in 3D indoor object detection. However, the scene point features in the transformer decoder remain fixed,…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Chuxin Wang , Wenfei Yang , Xiang Liu , Tianzhu Zhang

The recovery of 3D shape and pose from 2D landmarks stemming from a large ensemble of images can be viewed as a non-rigid structure from motion (NRSfM) problem. Classical NRSfM approaches, however, are problematic as they rely on heuristic…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Chaoyang Wang , Chen-Hsuan Lin , Simon Lucey

Topological alignments and snakes are used in image processing, particularly in locating object boundaries. Both of them have their own advantages and limitations. To improve the overall image boundary detection system, we focused on…

计算机视觉与模式识别 · 计算机科学 2011-06-03 Ashraf A. Aly , Safaai Bin Deris , Nazar Zaki

Deep learning-based single-image super-resolution (SISR) technology focuses on enhancing low-resolution (LR) images into high-resolution (HR) ones. Although significant progress has been made, challenges remain in computational complexity…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Rongchang Lu , Changyu Li , Donghang Li , Guojing Zhang , Jianqiang Huang , Xilai Li

Super-resolution (SR) is a technique that allows increasing the resolution of a given image. Having applications in many areas, from medical imaging to consumer electronics, several SR methods have been proposed. Currently, the best…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Marija Vella , João F. C. Mota

Reconstructing high-resolution (HR) images from low-resolution (LR) inputs poses a significant challenge in image super-resolution (SR). While recent approaches have demonstrated the efficacy of intricate operations customized for various…

图像与视频处理 · 电气工程与系统科学 2024-06-07 Eduard Zamfir , Zongwei Wu , Nancy Mehta , Yulun Zhang , Radu Timofte

Recently, anomaly detection and localization in multimedia data have received significant attention among the machine learning community. In real-world applications such as medical diagnosis and industrial defect detection, anomalies only…

计算机视觉与模式识别 · 计算机科学 2022-05-16 Chaoqin Huang , Qinwei Xu , Yanfeng Wang , Yu Wang , Ya Zhang

3D reconstruction plays an increasingly important role in modern photogrammetric systems. Conventional satellite or aerial-based remote sensing (RS) platforms can provide the necessary data sources for the 3D reconstruction of large-scale…

计算机视觉与模式识别 · 计算机科学 2023-06-27 San Jiang , Kan You , Yaxin Li , Duojie Weng , Wu Chen

Spectral information has long been recognized as a critical cue in remote sensing observations. Although numerous vision-language models have been developed for pixel-level interpretation, spectral information remains underutilized,…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Dongchen Si , Di Wang , Erzhong Gao , Xiaolei Qin , Liu Zhao , Jing Zhang , Minqiang Xu , Jianbo Zhan , Jianshe Wang , Lin Liu , Bo Du , Liangpei Zhang

3D urban reconstruction of buildings from remotely sensed imagery has drawn significant attention during the past two decades. While aerial imagery and LiDAR provide higher resolution, satellite imagery is cheaper and more efficient to…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Bo Xu , Xu Zhang , Zhixin Li , Matt Leotta , Shih-Fu Chang , Jie Shan

A new statistical model designed for regression analysis with a sparse design matrix is proposed. This new model utilizes the positions of the limited non-zero elements in the design matrix to decompose the regression model into…

应用统计 · 统计学 2022-01-17 Hsien-Wei Chen

We present a neural network model - based on CNNs, RNNs and a novel attention mechanism - which achieves 84.2% accuracy on the challenging French Street Name Signs (FSNS) dataset, significantly outperforming the previous state of the art…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Zbigniew Wojna , Alex Gorban , Dar-Shyang Lee , Kevin Murphy , Qian Yu , Yeqing Li , Julian Ibarz

Two major challenges of 3D LiDAR Panoptic Segmentation (PS) are that point clouds of an object are surface-aggregated and thus hard to model the long-range dependency especially for large instances, and that objects are too close to…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Shuangjie Xu , Rui Wan , Maosheng Ye , Xiaoyi Zou , Tongyi Cao

Visuals captured by high-flying aerial drones are increasingly used to assess biodiversity and animal population dynamics around the globe. Yet, challenging acquisition scenarios and tiny animal depictions in airborne imagery, despite…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Mowen Xue , Theo Greenslade , Majid Mirmehdi , Tilo Burghardt

The recent use of diffusion prior, enhanced by pre-trained text-image models, has markedly elevated the performance of image super-resolution (SR). To alleviate the huge computational cost required by pixel-based diffusion SR, latent-based…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Feng Luo , Jinxi Xiang , Jun Zhang , Xiao Han , Wei Yang

Characterizing urban environments with broad coverages and high precision is more important than ever for achieving the UN's Sustainable Development Goals (SDGs) as half of the world's populations are living in cities. Urban building height…

In recent years, convolutional neural networks (CNNs) have achieved remarkable advancement in the field of remote sensing image super-resolution due to the complexity and variability of textures and structures in remote sensing images…

图像与视频处理 · 电气工程与系统科学 2024-05-09 Naveed Sultan , Amir Hajian , Supavadee Aramvith

Estimating building footprint maps from geospatial data is of paramount importance in urban planning, development, disaster management, and various other applications. Deep learning methodologies have gained prominence in building…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Anuja Vats , David Völgyes , Martijn Vermeer , Marius Pedersen , Kiran Raja , Daniele S. M. Fantin , Jacob Alexander Hay