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Deep Neural Networks (DNNs) are a promising tool for Global Navigation Satellite System (GNSS) positioning in the presence of multipath and non-line-of-sight errors, owing to their ability to model complex errors using data. However,…

机器人学 · 计算机科学 2022-06-23 Ashwin V. Kanhere , Shubh Gupta , Akshay Shetty , Grace Gao

Numerous pose-guided human editing methods have been explored by the vision community due to their extensive practical applications. However, most of these methods still use an image-to-image formulation in which a single image is given as…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Rishabh Jain , Mayur Hemani , Duygu Ceylan , Krishna Kumar Singh , Jingwan Lu , Mausoom Sarkar , Balaji Krishnamurthy

We introduce FusionRF, a novel framework for digital surface reconstruction from satellite multispectral and panchromatic images. Current work has demonstrated the increased accuracy of neural photogrammetry for surface reconstruction from…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Michael Sprintson , Rama Chellappa , Cheng Peng

Accurate satellite pose estimation is crucial for autonomous guidance, navigation, and control (GNC) systems in in-orbit servicing (IOS) missions. This paper explores the impact of different tasks within a multi-task learning (MTL)…

机器学习 · 计算机科学 2024-10-22 Francesco Evangelisti , Francesco Rossi , Tobia Giani , Ilaria Bloise , Mattia Varile

Data augmentation is an effective way to improve the performance of deep networks. Unfortunately, current methods are mostly developed for high-level vision tasks (e.g., classification) and few are studied for low-level vision tasks (e.g.,…

图像与视频处理 · 电气工程与系统科学 2020-04-24 Jaejun Yoo , Namhyuk Ahn , Kyung-Ah Sohn

High-frequency bands such as millimeter-wave and terahertz require narrow beams due to path loss and shadowing. Beam alignment (BA) methods allow the transceivers to adjust the directions of these beams efficiently by exploiting the channel…

信息论 · 计算机科学 2022-05-17 Ozlem Yildiz , Abbas Khalili , Elza Erkip

Large-scale transmission radiography scanners are used to image vehicles and cargo containers. Acquired images are inspected for threats by a human operator or a computer algorithm. To make accurate detections, it is important that image…

仪器与探测器 · 物理学 2016-08-15 Thomas W. Rogers , James Ollier , Edward J. Morton , Lewis D. Griffin

We address the task of 6D multi-object pose: given a set of known 3D objects and an RGB or RGB-D input image, we detect and estimate the 6D pose of each object. We propose a new approach to 6D object pose estimation which consists of an…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Lahav Lipson , Zachary Teed , Ankit Goyal , Jia Deng

Bundle adjustment (BA) with parallax angle based feature parameterization has been shown to have superior performance over BA using inverse depth or XYZ feature forms. In this paper, we propose an improved version of the parallax BA…

机器人学 · 计算机科学 2018-07-11 Liyang Liu , Teng Zhang , Yi Liu , Brenton Leighton , Liang Zhao , Shoudong Huang , Gamini Dissanayake

A satellite image is a remotely sensed image data, where each pixel represents a specific location on earth. The pixel value recorded is the reflection radiation from the earth's surface at that location. Multispectral images are those that…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Purbarag Pathak Choudhury , Ujjal Kr Dutta , Dhruba Kr Bhattacharyya

This paper proposes a robust, high-precision positioning methodology to address localization failures arising from complex background interference in large-scale flight navigation and the computational inefficiency inherent in conventional…

机器人学 · 计算机科学 2026-01-14 Jing Tao , Banglei Guan , Yang Shang , Shunkun Liang , Qifeng Yu

Data imbalance is a ubiquitous problem in machine learning. In large scale collected and annotated datasets, data imbalance is either mitigated manually by undersampling frequent classes and oversampling rare classes, or planned for with…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Deep Patel , Erin Gao , Anirudh Koul , Siddha Ganju , Meher Anand Kasam

Accurate multispectral image matching presents significant challenges due to non-linear intensity variations across spectral modalities, extreme viewpoint changes, and the scarcity of labeled datasets. Current state-of-the-art methods are…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Ismail Can Yagmur , Hasan F. Ates , Bahadir K. Gunturk

The objective of pansharpening and hypersharpening is to accurately combine a high-resolution panchromatic (PAN) image with a low-resolution multispectral (MS) or hyperspectral (HS) image, respectively. Unfolding fusion methods integrate…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Ivan Pereira-Sánchez , Eloi Sans , Julia Navarro , Joan Duran

In this work, we present an effective multi-view approach to closed-loop end-to-end learning of precise manipulation tasks that are 3D in nature. Our method learns to accomplish these tasks using multiple statically placed but uncalibrated…

机器人学 · 计算机科学 2021-04-02 Iretiayo Akinola , Jacob Varley , Dmitry Kalashnikov

High-resolution content creation is rapidly emerging as a central challenge in both the vision and graphics communities. Images serve as the most fundamental modality for visual expression, and content generation that aligns with the user…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Junsung Lee , Hyunsoo Lee , Yong Jae Lee , Bohyung Han

Image stitching aim to align two images taken from different viewpoints into one seamless, wider image. However, when the 3D scene contains depth variations and the camera baseline is significant, noticeable parallax occurs-meaning the…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Muhua Zhu , Xinhao Jin , Chengbo Wang , Yongcong Zhang , Yifei Xue , Tie Ji , Yizhen Lao

Reconstructing precise camera poses and floor plan layouts from wide-baseline RGB panoramas is a difficult and unsolved problem. We introduce BADGR, a novel diffusion model that jointly performs reconstruction and bundle adjustment (BA) to…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yuguang Li , Ivaylo Boyadzhiev , Zixuan Liu , Linda Shapiro , Alex Colburn

Hyperspectral pansharpening consists of fusing a high-resolution panchromatic band and a low-resolution hyperspectral image to obtain a new image with high resolution in both the spatial and spectral domains. These remote sensing products…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Matteo Ciotola , Giuseppe Guarino , Gemine Vivone , Giovanni Poggi , Jocelyn Chanussot , Antonio Plaza , Giuseppe Scarpa

Deep image matting methods have achieved increasingly better results on benchmarks (e.g., Composition-1k/alphamatting.com). However, the robustness, including robustness to trimaps and generalization to images from different domains, is…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Yutong Dai , Brian Price , He Zhang , Chunhua Shen