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Reliable data transmissions and offering better mobility to the end user can be achieved by integrating different communication systems. In this paper, we investigate the performance of a cascaded indoor power line communication…

Signal Processing · Electrical Eng. & Systems 2018-07-27 Waled Gheth , Khaled M. Rabie , Bamidele Adebisi , Muhammad Ijaz , Georgina Harris

Free space optical communication techniques have been the subject of numerous investigations in recent years, with multiple missions expected to fly in the near future. Existing methods require high pointing accuracies, drastically driving…

Networking and Internet Architecture · Computer Science 2018-01-04 Sihao Huang , Haowen Lin

Visible light communication (VLC) is an attractive subset of optical communication that provides a high data rate in the access layer of the network. The combination of multiple inputmultiple output (MIMO) with a VLC system leads to a…

Information Theory · Computer Science 2023-09-25 Hamed Alizadeh Ghazijahani , Mahmoud Atashbar , Yong Liang Guan , Zhaojie Yang

This paper proposes a joint communication and indoor positioning (JCP) system based on visible light communication (VLC) designed for high-precision indoor environments. The framework supports 2D and 3D positioning using received signal…

Signal Processing · Electrical Eng. & Systems 2025-08-07 A. Tarik Leblebici , Sumeyra Hassan , Erdal Panayirci , H. Vincent Poor

In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

Chain-of-Thought (CoT) techniques have significantly enhanced reasoning in Vision-Language Models (VLMs). Extending this paradigm, Visual CoT integrates explicit visual edits, such as cropping or annotating regions of interest, into the…

Machine Learning · Computer Science 2025-09-30 Chunxue Xu , Yiwei Wang , Yujun Cai , Bryan Hooi , Songze Li

Recently, audio-visual speech enhancement has been tackled in the unsupervised settings based on variational auto-encoders (VAEs), where during training only clean data is used to train a generative model for speech, which at test time is…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Mostafa Sadeghi , Xavier Alameda-Pineda

Vehicular edge computing (VEC) is a promising technology to support real-time vehicular applications, where vehicles offload intensive computation tasks to the nearby VEC server for processing. However, the traditional VEC that relies on…

Signal Processing · Electrical Eng. & Systems 2023-12-01 Qiong Wu , Wenhua Wang , Pingyi Fan , Qiang Fan , Jiangzhou Wang , Khaled B. Letaief

Large Vision-Language Models (LVLMs) may produce outputs that are unfaithful to reality, also known as visual hallucinations (VH), which significantly impedes their real-world usage. To alleviate VH, various decoding strategies have been…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Xianwei Zhuang , Zhihong Zhu , Yuxin Xie , Liming Liang , Yuexian Zou

In this paper, an indoor robot localization system based on Robot Operating System (ROS) and visible light communication (VLC) is presented. On the basis of our previous work, we innovatively designed a VLC localization and navigation…

Signal Processing · Electrical Eng. & Systems 2020-01-09 Weipeng Guan , Shihuan Chen , Shangsheng Wen , Wenyuan Hou , Zequn Tan , Ruihong Cen

Semantic Communication (SC) combined with Vehicular edge computing (VEC) provides an efficient edge task processing paradigm for Internet of Vehicles (IoV). Focusing on highway scenarios, this paper proposes a Tripartite Cooperative…

Machine Learning · Computer Science 2025-12-11 Jingbo Zhang , Maoxin Ji , Qiong Wu , Pingyi Fan , Kezhi Wang , Wen Chen

Visible light communications (VLC) are motivated by the radio-frequency (RF) spectrum crunch and fast-growing solid-state lighting technology. VLC relies on white light emitting diodes (LEDs) to provide communication and illumination…

Information Theory · Computer Science 2014-06-25 Zhenhua Yu , Arthur J. Redfern , G. Tong Zhou

A new maximum likelihood estimation approach for blind channel equalization, using variational autoencoders (VAEs), is introduced. Significant and consistent improvements in the error rate of the reconstructed symbols, compared to constant…

Signal Processing · Electrical Eng. & Systems 2018-03-06 Avi Caciularu , David Burshtein

Real-world dark images commonly exhibit not only low visibility and contrast but also complex noise and blur, posing significant restoration challenges. Existing methods often rely on paired data or fail to model dynamic illumination and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Wei Dong , Han Zhou , Junwei Lin , Jun Chen

This paper presents an indoor visible light communication (VLC) system in conjunction with an imaging receiver with parallel data transmission (spatial multiplexing) to decrease the effects of inter-symbol interference (ISI). To distinguish…

Signal Processing · Electrical Eng. & Systems 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Vehicle light detection, association, and localization are required for important downstream safe autonomous driving tasks, such as predicting a vehicle's light state to determine if the vehicle is making a lane change or turning.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Akshay Gopalkrishnan , Ross Greer , Maitrayee Keskar , Mohan Trivedi

In this paper, the problem of optimizing the deployment of unmanned aerial vehicles (UAVs) equipped with visible light communication (VLC) capabilities is studied. In the studied model, the UAVs can simultaneously provide communications and…

Signal Processing · Electrical Eng. & Systems 2019-09-18 Yining Wang , Mingzhe Chen , Zhaohui Yang , Xue Hao , Tao Luo , Walid Saad

Video anomalies detection is the intersection of anomaly detection and visual intelligence. It has commercial applications in surveillance, security, self-driving cars and crop monitoring. Videos can capture a variety of anomalies. Due to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Faraz Waseem , Rafael Perez Martinez , Chris Wu

Optical spectra contain a wealth of information about the physical properties and formation histories of galaxies. Often though, spectra are too noisy for this information to be accurately retrieved. In this study, we explore how machine…

Astrophysics of Galaxies · Physics 2023-10-17 M. Scourfield , A. Saintonge , D. de Mijolla , S. Viti

Current flicker mitigation (or DC-balance) solutions based on run-length limited (RLL) decoding algorithms are high in complexity, suffer from reduced code rates, or are limited in application to hard-decoding forward error correction (FEC)…

Information Theory · Computer Science 2019-04-02 Duc-Phuc Nguyen , Dinh-Dung Le , Thi-Hong Tran , Yasuhiko Nakashima