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Topological data analysis offers a rich source of valuable information to study vision problems. Yet, so far we lack a theoretically sound connection to popular kernel-based learning techniques, such as kernel SVMs or kernel PCA. In this…

Machine Learning · Statistics 2014-12-24 Jan Reininghaus , Stefan Huber , Ulrich Bauer , Roland Kwitt

VINGS-Mono is a monocular (inertial) Gaussian Splatting (GS) SLAM framework designed for large scenes. The framework comprises four main components: VIO Front End, 2D Gaussian Map, NVS Loop Closure, and Dynamic Eraser. In the VIO Front End,…

Robotics · Computer Science 2025-01-15 Ke Wu , Zicheng Zhang , Muer Tie , Ziqing Ai , Zhongxue Gan , Wenchao Ding

In synthetic aperture radar (SAR) image change detection, it is quite challenging to exploit the changing information from the noisy difference image subject to the speckle. In this paper, we propose a multi-scale spatial pooling (MSSP)…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Jia-Wei Chen , Rongfang Wang , Fan Ding , Bo Liu , Licheng Jiao , Jie Zhang

Convolutional Neural Networks (ConvNets) at present achieve remarkable performance in image classification tasks. However, current ConvNets cannot guarantee the capabilities of the mammalian visual systems such as invariance to contrast and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 E. Ulises Moya-Sánchez , Sebastiá Xambo-Descamps , Abraham Sánchez , Sebastián Salazar-Colores , Ulises Cortés

The Coherent Multiplex is formalized and validated as a scalable, real-time system for identifying, analyzing, and visualizing coherence among multiple time series. Its architecture comprises a fast spectral similarity layer based on cosine…

Signal Processing · Electrical Eng. & Systems 2025-08-28 Noah Shore

Temporal patterns of cardiac motion provide important information for cardiac disease diagnosis. This pattern could be obtained by three-directional CINE multi-slice left ventricular myocardial velocity mapping (3Dir MVM), which is a…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Xiaodan Xing , Yinzhe Wu , David Firmin , Peter Gatehouse , Guang Yang

Singular beams have attracted great attention due to their optical properties and broad applications from light manipulation to optical communications. However, there has been a lack of practical schemes with which to achieve switchable…

Optics · Physics 2021-05-11 Ping Yu , Jianxiong Li , Xin Li , Gisela Schuetz , Michael Hirscher , Shuang Zhang , Na Liu

Understanding microstructure-property relationships (MPRs) is essential for optimising the performance of multiphase composites. Image-based poro/micro-mechanical modelling provides a non-invasive approach to exploring MPRs, but the…

Applied Physics · Physics 2025-01-22 Jinlong Fu , Wei Tan

Time multiplexed approaches for high frame-rate holographic displays have been around since the invention of One-Step Phase-Retrieval (OSPR) in the early 2000s. When discovered, formulations were created for variance reduction but other…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Peter J. Christopher , Timothy D. Wilkinson

A photonics-assisted joint communication-radar system is proposed and experimentally demonstrated, by introducing a quadrature phase-shift keying (QPSK)-sliced linearly frequency-modulated (LFM) signal. An LFM signal is carrier-suppressed…

Signal Processing · Electrical Eng. & Systems 2022-06-08 Shi Wang , Dingding Liang , Yang Chen

In recent decades, biomedical signals have been used for communication in Human-Computer Interfaces (HCI) for medical applications; an instance of these signals are the myoelectric signals (MES), which are generated in the muscles of the…

Signal Processing · Electrical Eng. & Systems 2021-10-29 Hritam Basak , Alik Roy , Jeet Bandhu Lahiri , Sayantan Bose , Soumyadeep Patra

We propose a fast and generalizable solution to Multi-view Photometric Stereo (MVPS), called MVPSNet. The key to our approach is a feature extraction network that effectively combines images from the same view captured under multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Dongxu Zhao , Daniel Lichy , Pierre-Nicolas Perrin , Jan-Michael Frahm , Soumyadip Sengupta

We propose a deep multitask architecture for \emph{fully automatic 2d and 3d human sensing} (DMHS), including \emph{recognition and reconstruction}, in \emph{monocular images}. The system computes the figure-ground segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2017-02-01 Alin-Ionut Popa , Mihai Zanfir , Cristian Sminchisescu

Delay-and-Sum (DAS) is the most common algorithm used in photoacoustic (PA) image formation. However, this algorithm results in a reconstructed image with a wide mainlobe and high level of sidelobes. Minimum variance (MV), as an adaptive…

Signal Processing · Electrical Eng. & Systems 2018-05-11 Roya Paridar , Moein Mozaffarzadeh , Mohammad Mehrmohammadi , Mahdi Orooji

Edge detection remains a fundamental yet challenging task in computer vision, especially under varying illumination, noise, and complex scene conditions. This paper introduces a Hybrid Multi-Stage Learning Framework that integrates…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Mark Phil Pacot , Jayno Juventud , Gleen Dalaorao

Depth estimation and semantic segmentation play essential roles in scene understanding. The state-of-the-art methods employ multi-task learning to simultaneously learn models for these two tasks at the pixel-wise level. They usually focus…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Lei He , Jiwen Lu , Guanghui Wang , Shiyu Song , Jie Zhou

Until quite recently, the backbone of nearly every state-of-the-art computer vision model has been the 2D convolution. At its core, a 2D convolution simultaneously mixes information across both the spatial and channel dimensions of a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 George Cazenavette , Joel Julin , Simon Lucey

In autonomous driving, LiDAR sensors are vital for acquiring 3D point clouds, providing reliable geometric information. However, traditional sampling methods of preprocessing often ignore semantic features, leading to detail loss and ground…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Hao Jing , Anhong Wang , Lijun Zhao , Yakun Yang , Donghan Bu , Jing Zhang , Yifan Zhang , Junhui Hou

High-fidelity compression of multispectral solar imagery remains challenging for space missions, where limited bandwidth must be balanced against preserving fine spectral and spatial details. We present a learned image compression framework…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Prasiddha Siwakoti , Atefeh Khoshkhahtinat , Piyush M. Mehta , Barbara J. Thompson , Michael S. F. Kirk , Daniel da Silva

Visual prompting has recently emerged as an efficient strategy to adapt vision models using lightweight, learnable parameters injected into the input space. However, prior work mainly targets large Vision Transformers and high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Salim Khazem
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