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This paper introduces a 3D point cloud sequence learning model based on inconsistent spatio-temporal propagation for LiDAR odometry, termed DSLO. It consists of a pyramid structure with a spatial information reuse strategy, a sequential…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Huixin Zhang , Guangming Wang , Xinrui Wu , Chenfeng Xu , Mingyu Ding , Masayoshi Tomizuka , Wei Zhan , Hesheng Wang

In the last decades, Light Detection And Ranging (LiDAR) technology has been extensively explored as a robust alternative for self-localization and mapping. These approaches typically state ego-motion estimation as a non-linear optimization…

Moving object detection in satellite videos (SVMOD) is a challenging task due to the extremely dim and small target characteristics. Current learning-based methods extract spatio-temporal information from multi-frame dense representation…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 C. Xiao , W. An , Y. Zhang , Z. Su , M. Li , W. Sheng , M. Pietikäinen , L. Liu

Current Scene text image super-resolution approaches primarily focus on extracting robust features, acquiring text information, and complex training strategies to generate super-resolution images. However, the upsampling module, which is…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Wenyu Zhang , Xin Deng , Baojun Jia , Xingtong Yu , Yifan Chen , jin Ma , Qing Ding , Xinming Zhang

In order to get raw images of high quality for downstream Image Signal Process (ISP), in this paper we present an Efficient Locally Multiplicative Transformer called ELMformer for raw image restoration. ELMformer contains two core designs…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Jiaqi Ma , Shengyuan Yan , Lefei Zhang , Guoli Wang , Qian Zhang

Multimodal large language models (MLLMs) enable powerful cross-modal reasoning capabilities but impose substantial computational and latency burdens, posing critical challenges for deployment on resource-constrained edge devices. In this…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-06 Zheming Yang , Qi Guo , Jun Wan , Jiarui Ruan , Yunqing Hu , Chang Zhao , Xiangyang Li

Lossless floating-point time series compression is crucial for a wide range of critical scenarios. Nevertheless, it is a big challenge to compress time series losslessly due to the complex underlying layouts of floating-point values. The…

Data Structures and Algorithms · Computer Science 2023-09-15 Ruiyuan Li , Zheng Li , Yi Wu , Chao Chen , Tong Liu , Yu Zheng

We propose a real-time dynamic LiDAR odometry pipeline for mobile robots in Urban Search and Rescue (USAR) scenarios. Existing approaches to dynamic object detection often rely on pretrained learned networks or computationally expensive…

Robotics · Computer Science 2024-11-28 Jonathan Lichtenfeld , Kevin Daun , Oskar von Stryk

Conventional visual simultaneous localization and mapping (SLAM) algorithms often fail under rapid motion, low illumination, or abrupt lighting transitions due to motion blur and limited dynamic range. Event cameras mitigate these issues…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Şebnem Sarıözkan , Hürkan Şahin , Olaya Álvarez-Tuñón , Erdal Kayacan

This paper presents a novel fixation prediction and saliency modeling framework based on inter-image similarities and ensemble of Extreme Learning Machines (ELM). The proposed framework is inspired by two observations, 1) the contextual…

Computer Vision and Pattern Recognition · Computer Science 2017-05-31 Hamed R. -Tavakoli , Ali Borji , Jorma Laaksonen , Esa Rahtu

LiDAR-based Moving Object Segmentation (MOS) aims to locate and segment moving objects in point clouds of the current scan using motion information from previous scans. Despite the promising results achieved by previous MOS methods, several…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Kang Zeng , Hao Shi , Jiacheng Lin , Siyu Li , Jintao Cheng , Kaiwei Wang , Zhiyong Li , Kailun Yang

A simple motion amplification algorithm suitable for real-time applications on mobile devices, including smartphones, is presented. It is based on motion enhancement by moving average differencing (MEMAD), a temporal high-pass filter for…

Graphics · Computer Science 2023-05-11 Henning U. Voss

The Extreme Learning Machine (ELM) technique is a machine learning approach for constructing feed-forward neural networks with a single hidden layer and their models. The ELM model can be constructed while being trained by concurrently…

Optimization and Control · Mathematics 2024-01-30 Muideen Adegoke , Lateef O. Jolaoso , Mardiyyah Oduwole

LiDAR-camera extrinsic calibration (LCEC) is crucial for multi-modal data fusion in autonomous robotic systems. Existing methods, whether target-based or target-free, typically rely on customized calibration targets or fixed scene types,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhiwei Huang , Jiaqi Li , Hongbo Zhao , Xiao Ma , Ping Zhong , Xiaohu Zhou , Wei Ye , Rui Fan

Reconstructing fast-dynamic scenes from multi-view videos is crucial for high-speed motion analysis and realistic 4D reconstruction. However, the majority of 4D capture systems are limited to frame rates below 30 FPS (frames per second),…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yutian Chen , Shi Guo , Tianshuo Yang , Lihe Ding , Xiuyuan Yu , Jinwei Gu , Tianfan Xue

Photorealistic reconstruction of street scenes is essential for developing real-world simulators in autonomous driving. While recent methods based on 3D/4D Gaussian Splatting (GS) have demonstrated promising results, they still encounter…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Xiaobao Wei , Qingpo Wuwu , Zhongyu Zhao , Zhuangzhe Wu , Nan Huang , Ming Lu , Ningning MA , Shanghang Zhang

Mm-wave radars have recently gathered significant attention as a means to track human movement and identify subjects from their gait characteristics. A widely adopted method to perform the identification is the extraction of the…

Signal Processing · Electrical Eng. & Systems 2021-05-25 Jacopo Pegoraro , Michele Rossi

Service mobile robots are often required to avoid dynamic objects while performing their tasks, but they usually have only limited computational resources. To further advance the practical application of service robots in complex dynamic…

Robotics · Computer Science 2026-02-25 Yushen He , Lei Zhao , Tianchen Deng , Zipeng Fang , Weidong Chen

On the time-varying channel estimation, the traditional downlink (DL) channel restoration schemes usually require the reconstruction for the covariance of downlink process noise vector, which is dependent on DL channel covariance matrix…

Information Theory · Computer Science 2019-05-08 Muye Li , Shun Zhang , Nan Zhao , Weile Zhang , Xianbin Wang

Text-Motion Retrieval (TMR) aims to retrieve 3D motion sequences semantically relevant to text descriptions. However, matching 3D motions with text remains highly challenging, primarily due to the intricate structure of human body and its…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Junlong Ren , Gangjian Zhang , Honghao Fu , Pengcheng Wu , Hao Wang