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Recently, semantic communications have drawn great attention as the groundbreaking concept surpasses the limited capacity of Shannon's theory. Specifically, semantic communications probably become crucial in realizing visual tasks that…

Networking and Internet Architecture · Computer Science 2025-10-23 Jeonghun Park , Sung Whan Yoon

Semantic communication is envisioned as a promising technique to break through the Shannon limit. However, semantic inference and semantic error correction have not been well studied. Moreover, error correction methods of existing semantic…

Artificial Intelligence · Computer Science 2023-03-16 Fuhui Zhou , Yihao Li , Ming Xu , Lu Yuan , Qihui Wu , Rose Qingyang Hu , Naofal Al-Dhahir

Object-based maps are relevant for scene understanding since they integrate geometric and semantic information of the environment, allowing autonomous robots to robustly localize and interact with on objects. In this paper, we address the…

Robotics · Computer Science 2023-10-16 Nicky Zimmerman , Matteo Sodano , Elias Marks , Jens Behley , Cyrill Stachniss

A metric-accurate semantic 3D representation is essential for many robotic tasks. This work proposes a simple, yet powerful, way to integrate the 2D embeddings of a Vision-Language Model in a metric-accurate 3D representation at real-time.…

Robotics · Computer Science 2025-08-11 Christian Rauch , Björn Ellensohn , Linus Nwankwo , Vedant Dave , Elmar Rueckert

We present a fast, spatio-temporal scene understanding framework based on Visual Geometry Grounded Transformer (VGGT). The proposed pipeline is designed to enable efficient, close to real-time performance, supporting applications including…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Gergely Dinya , Péter Halász , András Lőrincz , Kristóf Karacs , Anna Gelencsér-Horváth

Deployment of deep learning models in robotics as sensory information extractors can be a daunting task to handle, even using generic GPU cards. Here, we address three of its most prominent hurdles, namely, i) the adaptation of a single…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Vladimir Nekrasov , Thanuja Dharmasiri , Andrew Spek , Tom Drummond , Chunhua Shen , Ian Reid

Semantic communication (SemCom) presents a transformative paradigm for alleviating bandwidth limitations in mobile networks by transmitting task-relevant semantic features instead of raw data bits. While SemCom systems utilizing diffusion…

Information Theory · Computer Science 2026-04-15 Chengyang Liang , Dong Li

One of the key challenges in the semantic mapping problem in postdisaster environments is how to analyze a large amount of data efficiently with minimal supervision. To address this challenge, we propose a deep learning-based semantic…

Robotics · Computer Science 2019-10-17 Jean Oh , Martial Hebert , Hae-Gon Jeon , Xavier Perez , Chia Dai , Yeeho Song

We present an open-source, real-time implementation of SemanticPaint, a system for geometric reconstruction, object-class segmentation and learning of 3D scenes. Using our system, a user can walk into a room wearing a depth camera and a…

This paper explores opportunities and challenges of task (goal)-oriented and semantic communications for next-generation (NextG) communication networks through the integration of multi-task learning. This approach employs deep neural…

Networking and Internet Architecture · Computer Science 2024-01-04 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

The last seventy years have witnessed the transition of communication from Shannon's theoretical concept to current high-efficient practical systems. Classical communication systems address the capability-deficiency issue mainly by…

Information Theory · Computer Science 2022-03-31 Kai Niu , Jincheng Dai , Shengshi Yao , Sixian Wang , Zhongwei Si , Xiaoqi Qin , Ping Zhang

Semantic communication systems aim to transmit task-relevant information between devices capable of artificial intelligence, but their performance can degrade when heterogeneous transmitter-receiver models produce misaligned latent…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Mario Edoardo Pandolfo , Kyriakos Stylianopoulos , George C. Alexandropoulos , Paolo Di Lorenzo

Semantic communication (SC) is recognized as a promising approach for enabling reliable communication with minimal data transfer while maintaining seamless connectivity for a group of wireless users. Unlocking the advantages of SC for…

Information Theory · Computer Science 2024-06-24 Nitisha Singh , Christo Kurisummoottil Thomas , Walid Saad , Emilio Calvanese Strinati

The 3D reconstruction of simultaneous localization and mapping (SLAM) is an important topic in the field for transport systems such as drones, service robots and mobile AR/VR devices. Compared to a point cloud representation, the 3D…

Robotics · Computer Science 2023-09-12 Quentin Picard , Stephane Chevobbe , Mehdi Darouich , Jean-Yves Didier

Simultaneous Localization and Mapping (SLAM) is one of the most essential techniques in many real-world robotic applications. The assumption of static environments is common in most SLAM algorithms, which however, is not the case for most…

Robotics · Computer Science 2022-05-17 Han Wang , Jing Ying Ko , Lihua Xie

Molecular communication (MC) provides a foundational framework for information transmission in the Internet of Bio-Nano Things (IoBNT), where efficiency and reliability are crucial. However, the inherent limitations of molecular channels,…

Signal Processing · Electrical Eng. & Systems 2025-04-02 Hanlin Cai , Ozgur B. Akan

Conventional sensor-based localization relies on high-precision maps, which are generally built using specialized mapping techniques involving high labor and computational costs. In the architectural, engineering and construction industry,…

Robotics · Computer Science 2022-11-30 Huan Yin , Zhiyi Lin , Justin K. W. Yeoh

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

As three-dimensional (3D) data acquisition devices become increasingly prevalent, the demand for 3D point cloud transmission is growing. In this study, we introduce a semantic-aware communication system for robust point cloud classification…

Signal Processing · Electrical Eng. & Systems 2023-06-26 Tianxiao Han , Kaiyi Chi , Qianqian Yang , Zhiguo Shi

Semantic communication (SemCom) aims to convey the meaning behind a transmitted message by transmitting only semantically-relevant information. This semantic-centric design helps to minimize power usage, bandwidth consumption, and…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Tilahun M. Getu , Georges Kaddoum , Mehdi Bennis