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The paper presents a concept of a dynamic accuracy estimation method, in which the localization errors are derived based on the measurement results used by the positioning algorithm. The concept was verified experimentally in a…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Marcin Kolakowski , Vitomir Djaja-Josko

Virtual assistants have been widely used by mobile phone users in recent years. Although their capabilities of processing user intents have been developed rapidly, virtual assistants in most platforms are only capable of handling…

Human-Computer Interaction · Computer Science 2023-06-08 Mengyu Chen , Zhenchang Xing , Jieshan Chen , Chunyang Chen , Qinghua Lu

Full-body avatars are suggested to be beneficial for communication in virtual environments, and consistency between users' voices and gestures is considered essential to ensure communication quality. This paper propose extending the…

Human-Computer Interaction · Computer Science 2023-09-27 Yong-Hao Hu , Kenichiro Ito , Ayumi Igarashi

There is an increasing demand for lightweight multi-person pose estimation for many emerging smart IoT applications. However, the existing algorithms tend to have large model sizes and intense computational requirements, making them…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Christopher Neff , Aneri Sheth , Steven Furgurson , Hamed Tabkhi

Real-time video applications require dynamic bitrate adjustments based on network capacity, necessitating accurate bandwidth estimation (BWE). We introduce Ivy, a novel BWE method that leverages offline meta-learning to combat data drift…

Networking and Internet Architecture · Computer Science 2026-03-25 Aashish Gottipati , Sami Khairy , Yasaman Hosseinkashi , Gabriel Mittag , Vishak Gopal , Francis Y. Yan , Ross Cutler

AI-based sensing at wireless edge devices has the potential to significantly enhance Artificial Intelligence (AI) applications, particularly for vision and perception tasks such as in autonomous driving and environmental monitoring. AI…

Information Theory · Computer Science 2026-01-29 Mohamed Seif , Malcolm Egan , Andrea J. Goldsmith , H. Vincent Poor

Most successful approaches to estimate the 6D pose of an object typically train a neural network by supervising the learning with annotated poses in real world images. These annotations are generally expensive to obtain and a common…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Juil Sock , Guillermo Garcia-Hernando , Anil Armagan , Tae-Kyun Kim

Systems for estimating the six-degrees-of-freedom human body pose have been improving for over two decades. Technologies such as motion capture cameras, advanced gaming peripherals and more recently both deep learning techniques and virtual…

Robotics · Computer Science 2022-08-24 Wouter Jansen , Dennis Laurijssen , Walter Daems , Jan Steckel

We introduce the concept of a meta-object, a next-generation virtual object that inherits the form, properties, and functions of its real-world counterpart, enabling seamless synchronization, interaction, and sharing between the physical…

Human-Computer Interaction · Computer Science 2025-03-26 Dooyoung Kim , Taewook Ha , Jinseok Hong , Seonji Kim , Selin Choi , Heejeong Ko , Woontack Woo

We present X-Avatar, a novel avatar model that captures the full expressiveness of digital humans to bring about life-like experiences in telepresence, AR/VR and beyond. Our method models bodies, hands, facial expressions and appearance in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Kaiyue Shen , Chen Guo , Manuel Kaufmann , Juan Jose Zarate , Julien Valentin , Jie Song , Otmar Hilliges

The process of tracking human anatomy in computer vision is referred to pose estimation, and it is used in fields ranging from gaming to surveillance. Three-dimensional pose estimation traditionally requires advanced equipment, such as…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Alice Ruget , Max Tyler , Germán Mora Martín , Stirling Scholes , Feng Zhu , Istvan Gyongy , Brent Hearn , Steve McLaughlin , Abderrahim Halimi , Jonathan Leach

Gait recognition is the process of identifying humans from their bipedal locomotion such as walking or running. As such, gait data is privacy sensitive information and should be anonymized where possible. With the rise of higher quality…

Cryptography and Security · Computer Science 2023-09-04 Simon Hanisch , Evelyn Muschter , Admantini Hatzipanayioti , Shu-Chen Li , Thorsten Strufe

We present a human state estimation framework that allows us to estimate the location, and even the activities, of people in an indoor environment without the requirement that they carry a specific devices with them. To achieve this "device…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Saria Al Laham , Bobak H. Baghi , Pierre-Yves Lajoie , Amal Feriani , Sachini Herath , Steve Liu , Gregory Dudek

Faithful human performance capture and free-view rendering from sparse RGB observations is a long-standing problem in Vision and Graphics. The main challenges are the lack of observations and the inherent ambiguities of the setting, e.g.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Guoxing Sun , Rishabh Dabral , Pascal Fua , Christian Theobalt , Marc Habermann

Leveraging sensory information to aid the millimeter-wave (mmWave) and sub-terahertz (sub-THz) beam selection process is attracting increasing interest. This sensory data, captured for example by cameras at the basestations, has the…

Information Theory · Computer Science 2023-08-15 Gouranga Charan , Muhammad Alrabeiah , Tawfik Osman , Ahmed Alkhateeb

The growing role that artificial intelligence and specifically machine learning is playing in shaping the future of wireless communications has opened up many new and intriguing research directions. This paper motivates the research in the…

Machine Learning · Computer Science 2020-04-23 Muhammad Alrabeiah , Andrew Hredzak , Zhenhao Liu , Ahmed Alkhateeb

Over the last few decades, many aspects of human life have been enhanced with virtual domains, from the advent of digital assistants such as Amazon's Alexa and Apple's Siri to the latest metaverse efforts of the rebranded Meta. These trends…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Siddarth Ravichandran , Ondřej Texler , Dimitar Dinev , Hyun Jae Kang

We present a system for learning full-body neural avatars, i.e. deep networks that produce full-body renderings of a person for varying body pose and camera position. Our system takes the middle path between the classical graphics pipeline…

3D video avatars can empower virtual communications by providing compression, privacy, entertainment, and a sense of presence in AR/VR. Best 3D photo-realistic AR/VR avatars driven by video, that can minimize uncanny effects, rely on…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Lele Chen , Chen Cao , Fernando De la Torre , Jason Saragih , Chenliang Xu , Yaser Sheikh

We consider outdoor optical access points (OAPs), which, enabled by recent advances in metasurface technology, have attracted growing interest. While OAPs promise high data rates and strong physical-layer security, practical deployments…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Meysam Ghanbari , Mohammad Taghi Dabiri , Rula Ammuri , Mazen Hasna , Khalid Qaraqe