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The trade-off in remote sensing instruments that balances the spatial resolution and temporal frequency limits our capacity to monitor spatial and temporal dynamics effectively. The spatiotemporal data fusion technique is considered as a…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Qing Cheng , Huiqing Liu , Huanfeng Shen , Penghai Wu , Liangpei Zhang

Keystroke dynamics is a behavioural biometric utilised for user identification and authentication. We propose a new set of features based on the distance between keys on the keyboard, a concept that has not been considered before in…

机器学习 · 计算机科学 2023-10-09 Nuwan Kaluarachchi , Sevvandi Kandanaarachchi , Kristen Moore , Arathi Arakala

Objective: The study aims to address the challenge of aligning Standard Fundus Images (SFIs) and Ultra-Widefield Fundus Images (UWFIs), which is difficult due to their substantial differences in viewing range and the amorphous appearance of…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Kanggeon Lee , Su Jeong Song , Soochahn Lee , Kyoung Mu Lee

We introduce a novel, data-driven approach for reconstructing temporally coherent 3D motion from unstructured and potentially partial observations of non-rigidly deforming shapes. Our goal is to achieve high-fidelity motion reconstructions…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Aymen Merrouche , Stefanie Wuhrer , Edmond Boyer

The contributions of this thesis stem from technology developed to analyse large sets of volumetric images in terms of atom-like features extracted in 3D image space, following SIFT algorithm in 2D image space. New feature properties are…

图像与视频处理 · 电气工程与系统科学 2022-08-29 Laurent Chauvin

In this work, we propose a method for three-dimensional (3D) reconstruction of wide crime scene, based on a Simultaneous Localization and Mapping (SLAM) approach. We used a Kinect V2 Time-of-Flight (TOF) RGB-D camera to provide colored…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Silvio Giancola , Daniele Piron , Pasquale Poppa , Remo Sala

Aerial image registration or matching is a geometric process of aligning two aerial images captured in different environments. Estimating the precise transformation parameters is hindered by various environments such as time, weather, and…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Myeong-Seok Oh , Yong-Ju Lee , Seong-Whan Lee

Time of flight cameras may emerge as the 3-D sensor of choice. Today, time of flight sensors use phase-based sampling, where the phase delay between emitted and received, high-frequency signals encodes distance. In this paper, we present a…

计算机视觉与模式识别 · 计算机科学 2015-03-11 Achuta Kadambi , Vage Taamazyan , Suren Jayasuriya , Ramesh Raskar

In this paper, we present a case study that performs an unmanned aerial vehicle (UAV) based fine-scale 3D change detection and monitoring of progressive collapse performance of a building during a demolition event. Multi-temporal oblique…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Ningli Xu , Debao Huang , Shuang Song , Xiao Ling , Chris Strasbaugh , Alper Yilmaz , Halil Sezen , Rongjun Qin

We present Dense-SfM, a novel Structure from Motion (SfM) framework designed for dense and accurate 3D reconstruction from multi-view images. Sparse keypoint matching, which traditional SfM methods often rely on, limits both accuracy and…

计算机视觉与模式识别 · 计算机科学 2026-01-29 JongMin Lee , Sungjoo Yoo

Semantic Change Detection (SCD) is recognized as both a crucial and challenging task in the field of image analysis. Traditional methods for SCD have predominantly relied on the comparison of image pairs. However, this approach is…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Yinhe Liu , Sunan Shi , Zhuo Zheng , Jue Wang , Shiqi Tian , Yanfei Zhong

For single source helical Computed Tomography (CT), both Filtered-Back Projection (FBP) and statistical iterative reconstruction have been investigated. However for dual source CT with flying focal spot (DS-FFS CT), statistical iterative…

图像与视频处理 · 电气工程与系统科学 2022-02-14 Xiao Wang , Robert D. MacDougall , Peng Chen , Charles A. Bouman , Simon K. Warfield

Dynamic Mode Decomposition (DMD) is a data-driven technique to identify a low dimensional linear time invariant dynamics underlying high-dimensional data. For systems in which such underlying low-dimensional dynamics is time-varying, a…

信号处理 · 电气工程与系统科学 2020-04-09 Mustaffa Alfatlawi , Vaibhav Srivastava

3D face reconstruction (3DFR) algorithms are based on specific assumptions tailored to distinct application scenarios. These assumptions limit their use when acquisition conditions, such as the subject's distance from the camera or the…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Simone Maurizio La Cava , Sara Concas , Ruben Tolosana , Roberto Casula , Giulia Orrù , Martin Drahansky , Julian Fierrez , Gian Luca Marcialis

The image enhancement methods based on 3D lookup tables (3D LUTs) efficiently reduce both model size and runtime by interpolating pre-calculated values at the vertices. However, the 3D LUT methods have a limitation due to their lack of…

图像与视频处理 · 电气工程与系统科学 2025-08-25 Wontae Kim , Keuntek Lee , Nam Ik Cho

3D object detection is a core component of automated driving systems. State-of-the-art methods fuse RGB imagery and LiDAR point cloud data frame-by-frame for 3D bounding box regression. However, frame-by-frame 3D object detection suffers…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Emeç Erçelik , Ekim Yurtsever , Alois Knoll

This paper presents a novel method for date estimation of historical photographs from archival sources. The main contribution is to formulate the date estimation as a retrieval task, where given a query, the retrieved images are ranked in…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Adrià Molina , Pau Riba , Lluis Gomez , Oriol Ramos-Terrades , Josep Lladós

Structured illumination microscopy (SIM) is an optical super-resolution technique that enables live-cell imaging beyond the diffraction limit. Reconstruction of SIM data is prone to artefacts, which becomes problematic when imaging highly…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Charles N. Christensen , Meng Lu , Edward N. Ward , Pietro Lio , Clemens F. Kaminski

In multi-view 3D human pose estimation, models typically rely on images captured simultaneously from different camera views to predict a pose at a specific moment. While providing accurate spatial information, this traditional approach…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ling Li , Changjie Chen , Yuyan Wang , Jiaqing Lyu , Kenglun Chang , Yiyun Chen , Zhidong Deng

Change detection is one of the most challenging issues when analyzing remotely sensed images. Comparing several multi-date images acquired through the same kind of sensor is the most common scenario. Conversely, designing robust, flexible…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Vinicius Ferraris , Nicolas Dobigeon , Qi Wei , Marie Chabert