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The goal of this paper is to create a new framework for dense SLAM that is light enough for micro-robot systems based on depth camera and inertial sensor. Feature-based and direct methods are two mainstreams in visual SLAM. Both methods…

Robotics · Computer Science 2017-09-05 Chen Wang , Junsong Yuan , Lihua Xie

In simultaneous localization and mapping (SLAM), image feature point matching process consume a lot of time. The capacity of low-power systems such as embedded systems is almost limited. It is difficult to ensure the timely processing of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Lu Cao

Compressed sensing of simultaneously sparse and low-rank matrices enables recovery of sparse signals from a few linear measurements of their bilinear form. One important question is how many measurements are needed for a stable…

Information Theory · Computer Science 2016-07-01 Kiryung Lee , Yihong Wu , Yoram Bresler

The lightweight Multi-state Constraint Kalman Filter (MSCKF) has been well-known for its high efficiency, in which the delayed update has been usually adopted since its proposal. This work investigates the immediate update strategy of MSCKF…

Robotics · Computer Science 2024-11-05 Qingchao Zhang , Wei Ouyang , Jiale Han , Qi Cai , Maoran Zhu , Yuanxin Wu

We propose a novel, vision-only object-level SLAM framework for automotive applications representing 3D shapes by implicit signed distance functions. Our key innovation consists of augmenting the standard neural representation by a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Li Cui , Yang Ding , Richard Hartley , Zirui Xie , Laurent Kneip , Zhenghua Yu

We study the problem of building space-efficient, in-memory indexes for massive key-value datasets with highly skewed value distributions. This challenge arises in many data-intensive domains and is particularly acute in computational…

Data Structures and Algorithms · Computer Science 2026-03-27 David Torres Ramos , Vihan Lakshman , Chen Luo , Todd Treangen , Benjamin Coleman

We propose a novel compressed sensing method to improve the depth reconstruction accuracy and multi-target separation capability of indirect Time-of-Flight (iToF) systems. Unlike traditional approaches that rely on hardware modifications,…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Yansong Du , Yutong Deng , Yuting Zhou , Feiyu Jiao , Bangyao Wang , Zhancong Xu , Zhaoxiang Jiang , Xun Guan

Compressed Sensing (CS) seeks to recover an unknown vector with $N$ entries by making far fewer than $N$ measurements; it posits that the number of compressed sensing measurements should be comparable to the information content of the…

Information Theory · Computer Science 2010-04-29 Jeffrey D. Blanchard , Coralia Cartis , Jared Tanner

The deployment of artificial intelligence in medical imaging is hindered by high computational complexity and resource-intensive processing of volumetric data. Although chest computed tomography (CT) volumes offer richer diagnostic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Shadid Yousuf , S. M. Mahbubur Rahman , Mohammed Imamul Hassan Bhuiyan

Visual SLAM algorithms have been enhanced through the exploration of Gaussian Splatting representations, particularly in generating high-fidelity dense maps. While existing methods perform reliably in static environments, they often…

Robotics · Computer Science 2025-09-03 Yi Liu , Keyu Fan , Bin Lan , Houde Liu

Visual degradation caused by limited visibility, insufficient lighting, and feature scarcity in underwater environments presents significant challenges to visual-inertial simultaneous localization and mapping (SLAM) systems. To address…

Robotics · Computer Science 2025-10-27 Shuoshuo Ding , Tiedong Zhang , Dapeng Jiang , Ming Lei

Recent deep learning-based methods for lossy image compression achieve competitive rate-distortion performance through extensive end-to-end training and advanced architectures. However, emerging applications increasingly prioritize semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Ruiqi Shen , Haotian Wu , Wenjing Zhang , Jiangjing Hu , Deniz Gunduz

Simultaneous Localization and Mapping (SLAM) system typically employ vision-based sensors to observe the surrounding environment. However, the performance of such systems highly depends on the ambient illumination conditions. In scenarios…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Muhamad Risqi U. Saputra , Chris Xiaoxuan Lu , Pedro P. B. de Gusmao , Bing Wang , Andrew Markham , Niki Trigoni

The need to perform quantum state tomography on ever larger systems has spurred a search for methods that yield good estimates from incomplete data. We study the performance of compressed sensing (CS) and least squares (LS) estimators in a…

Quantum Physics · Physics 2013-03-15 A. Smith , C. A. Riofrío , B. E. Anderson , H. Sosa-Martinez , I. H. Deutsch , P. S. Jessen

Visual-inertial initialization can be classified into joint and disjoint approaches. Joint approaches tackle both the visual and the inertial parameters together by aligning observations from feature-bearing points based on IMU integration…

Robotics · Computer Science 2023-08-08 Weihan Wang , Jiani Li , Yuhang Ming , Philippos Mordohai

Compressive imaging is an emerging application of compressed sensing, devoted to acquisition, encoding and reconstruction of images using random projections as measurements. In this paper we propose a novel method to provide a scalable…

Information Theory · Computer Science 2013-10-07 Diego Valsesia , Enrico Magli

Simultaneous Localization and Mapping (SLAM) is an essential technology for the efficiency and reliability of unmanned robotic exploration missions. While the onboard computational capability and communication bandwidth are critically…

Robotics · Computer Science 2026-01-09 Riku Suzuki , Ayumi Umemura , Shreya Santra , Kentaro Uno , Kazuya Yoshida

Robust Visual SLAM (vSLAM) is essential for autonomous systems operating in real-world environments, where challenges such as dynamic objects, low texture, and critically, varying illumination conditions often degrade performance. Existing…

Compressed vision-language models (VLMs) are widely used to reduce memory and compute costs, making them a suitable choice for real-world deployment. However, compressing these models raises concerns about whether internal computations and…

Artificial Intelligence · Computer Science 2026-03-27 Veeraraju Elluru , Arth Singh , Roberto Aguero , Ajay Agarwal , Debojyoti Das , Hreetam Paul

Recent research on Simultaneous Localization and Mapping (SLAM) based on implicit representation has shown promising results in indoor environments. However, there are still some challenges: the limited scene representation capability of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Wenhua Wu , Guangming Wang , Ting Deng , Sebastian Aegidius , Stuart Shanks , Valerio Modugno , Dimitrios Kanoulas , Hesheng Wang