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As a fundamental task for intelligent robots, visual SLAM has made great progress over the past decades. However, robust SLAM under highly weak-textured environments still remains very challenging. In this paper, we propose a novel visual…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Qihao Peng , Zhiyu Xiang , YuanGang Fan , Tengqi Zhao , Xijun Zhao

Visual SLAM in dynamic environments remains challenging, as several existing methods rely on semantic filtering that only handles known object classes, or use fixed robust kernels that cannot adapt to unknown moving objects, leading to…

Robotics · Computer Science 2025-10-21 João Carlos Virgolino Soares , Gabriel Fischer Abati , Claudio Semini

The problem of recovering signals of high complexity from low quality sensing devices is analyzed via a combination of tools from signal processing and harmonic analysis. By using the rich structure offered by the recent development in…

Information Theory · Computer Science 2020-03-16 Roza Aceska , Jean-Luc Bouchot , Shidong Li

Neural implicit representations have recently shown encouraging results in various domains, including promising progress in simultaneous localization and mapping (SLAM). Nevertheless, existing methods produce over-smoothed scene…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zihan Zhu , Songyou Peng , Viktor Larsson , Weiwei Xu , Hujun Bao , Zhaopeng Cui , Martin R. Oswald , Marc Pollefeys

Conventional model compression techniques for LLMs address high memory consumption and slow inference challenges but typically require computationally expensive retraining to preserve accuracy. In contrast, one-shot compression methods…

Machine Learning · Computer Science 2025-08-18 Mohammad Mozaffari , Amir Yazdanbakhsh , Maryam Mehri Dehnavi

We present ESLAM, an efficient implicit neural representation method for Simultaneous Localization and Mapping (SLAM). ESLAM reads RGB-D frames with unknown camera poses in a sequential manner and incrementally reconstructs the scene…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Mohammad Mahdi Johari , Camilla Carta , François Fleuret

Although large language models (LLM) have achieved remarkable performance, their enormous parameter counts hinder deployment on resource-constrained hardware. Low-rank compression can reduce both memory usage and computational demand, but…

Computation and Language · Computer Science 2025-10-13 Yu-Chen Lu , Chong-Yan Chen , Chi-Chih Chang , Yu-Fang Hu , Kai-Chiang Wu

In analogy to compressed sensing, which allows sample-efficient signal reconstruction given prior knowledge of its sparsity in frequency domain, we propose to utilize policy simplicity (Occam's Razor) as a prior to enable sample-efficient…

Machine Learning · Computer Science 2020-09-25 Nathan Zhao , Beicheng Lou

Image based reconstruction of urban environments is a challenging problem that deals with optimization of large number of variables, and has several sources of errors like the presence of dynamic objects. Since most large scale approaches…

Computer Vision and Pattern Recognition · Computer Science 2015-04-29 N. Dinesh Reddy , Prateek Singhal , Visesh Chari , K. Madhava Krishna

We propose a new benchmark for evaluating stereoscopic visual-inertial computer vision algorithms (SLAM/ SfM/ 3D Reconstruction/ Visual-Inertial Odometry) for minimally invasive surgical (MIS) interventions in the abdomen. Our MITI Dataset…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Regine Hartwig , Daniel Ostler , Jean-Claude Rosenthal , Hubertus Feußner , Dirk Wilhelm , Dirk Wollherr

The goal in signal compression is to reduce the size of the input signal without a significant loss in the quality of the recovered signal. One way to achieve this goal is to apply the principles of compressive sensing, but this has not…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Fereshteh Fakhar Firouzeh , John W. Chinneck , Sreeraman Rajan

Learned image compression has achieved extraordinary rate-distortion performance in PSNR and MS-SSIM compared to traditional methods. However, it suffers from intensive computation, which is intolerable for real-world applications and leads…

Image and Video Processing · Electrical Eng. & Systems 2022-08-01 Hongjiu Yu , Qiancheng Sun , Jin Hu , Xingyuan Xue , Jixiang Luo , Dailan He , Yilong Li , Pengbo Wang , Yuanyuan Wang , Yaxu Dai , Yan Wang , Hongwei Qin

Filter-based visual inertial navigation system (VINS) has attracted mobile-robot researchers for the good balance between accuracy and efficiency, but its limited mapping quality hampers long-term high-accuracy state estimation. To this…

Robotics · Computer Science 2025-11-25 Xueyu Du , Lilian Zhang , Fuan Duan , Xincan Luo , Maosong Wang , Wenqi Wu , JunMao

This paper introduces an innovative approach to Simultaneous Localization and Mapping (SLAM) using the Unscented Kalman Filter (UKF) in a dynamic environment. The UKF is proven to be a robust estimator and demonstrates lower sensitivity to…

Robotics · Computer Science 2023-12-20 Masoud Dorvash , Ali Eslamian , Mohammad Reza Ahmadzadeh

In recent years, multi-view subspace clustering has achieved impressive performance due to the exploitation of complementary imformation across multiple views. However, multi-view data can be very complicated and are not easy to cluster in…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Peng Chen , Liang Liu , Zhengrui Ma , Zhao Kang

Visual-inertial SLAM is crucial in various fields, such as aerial vehicles, industrial robots, and autonomous driving. The fusion of camera and inertial measurement unit (IMU) makes up for the shortcomings of a signal sensor, which…

Robotics · Computer Science 2024-01-08 Jiaming He , Mingrui Li , Yangyang Wang , Hongyu Wang

Presented is a novel way to combine snapshot compressive imaging and lateral shearing interferometry in order to capture the spatio-spectral phase of an ultrashort laser pulse in a single shot. A deep unrolling algorithm is utilised for the…

Simultaneous Localization and Mapping (SLAM) is essential for mobile robotics, enabling autonomous navigation in dynamic, unstructured outdoor environments without relying on external positioning systems. These environments pose significant…

Robotics · Computer Science 2025-03-11 Fabian Schmidt , Constantin Blessing , Markus Enzweiler , Abhinav Valada

In this paper, we propose an image compression algorithm called Microshift. We employ an algorithm hardware co-design methodology, yielding a hardware-friendly compression approach with low power consumption. In our method, the image is…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Bo Zhang , Pedro V. Sander , Chi-Ying Tsui , Amine Bermak

Accurate localization and mapping in outdoor environments remains challenging when using consumer-grade hardware, particularly with rolling-shutter cameras and low-precision inertial navigation systems (INS). We present a novel semantic…

Robotics · Computer Science 2025-04-04 Yuchen Zhang , Miao Fan , Shengtong Xu , Xiangzeng Liu , Haoyi Xiong