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The human hand possesses distinctive features which can reveal gender information. In addition, the hand is considered one of the primary biometric traits used to identify a person. In this work, we propose a large dataset of human hand…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Mahmoud Afifi

This study proposes a personal identification technique that applies machine learning with a two-layered convolutional neural network to spectrogram images obtained from radar echoes of a target person in motion. The walking and sitting…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Takuya Sakamoto

Communication barriers pose significant challenges for individuals with hearing and speech impairments, often limiting their ability to effectively interact in everyday environments. This project introduces a real-time assistive technology…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Brandone Fonya , Clarence Worrell

With the advances in capturing 2D or 3D skeleton data, skeleton-based action recognition has received an increasing interest over the last years. As skeleton data is commonly represented by graphs, graph convolutional networks have been…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Shijie Li , Jinhui Yi , Yazan Abu Farha , Juergen Gall

With the IEEE 802.11bf Task Group introducing amendments to the WLAN standard for advanced sensing, interest in using Wi-Fi Channel State Information (CSI) for remote sensing has surged. Recent findings indicate that learning a unified…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Navid Hasanzadeh , Shahrokh Valaee

Transformer model have achieved state-of-the-art results in many applications like NLP, classification, etc. But their exploration in gesture recognition task is still limited. So, we propose a novel GestFormer architecture for dynamic hand…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Mallika Garg , Debashis Ghosh , Pyari Mohan Pradhan

The rising demand for detecting hazardous situations has led to increased interest in radar-based human activity recognition (HAR). Conventional radar-based HAR methods predominantly rely on micro-Doppler spectrograms for recognition tasks.…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Do-Hyun Park , Min-Wook Jeon , Hyoung-Nam Kim

We demonstrate the feasibility of the radar-based measurement of body movements in scenarios involving multiple students using a pair of 79-GHz millimeter-wave radar systems with array antennas. We quantify the body motion using the Doppler…

Gestures are a natural communication modality for humans. The ability to interpret gestures is fundamental for robots aiming to naturally interact with humans. Wearable sensors are promising to monitor human activity, in particular the…

Robotics · Computer Science 2018-11-13 Alessandro Carfi , Carola Motolese , Barbara Bruno , Fulvio Mastrogiovanni

Motivated by the growing interest in enhancing intuitive physical Human-Machine Interaction (HRI/HVI), this study aims to propose a robust tactile hand gesture recognition system. We performed a comprehensive evaluation of different hand…

Human-Computer Interaction · Computer Science 2024-05-28 Chiara Fumelli , Anirvan Dutta , Mohsen Kaboli

Hand gesture recognition is becoming a more prevalent mode of human-computer interaction, especially as cameras proliferate across everyday devices. Despite continued progress in this field, gesture customization is often underexplored.…

Human-Computer Interaction · Computer Science 2024-10-04 Soroush Shahi , Vimal Mollyn , Cori Tymoszek Park , Richard Kang , Asaf Liberman , Oron Levy , Jun Gong , Abdelkareem Bedri , Gierad Laput

Convolutional neural networks (CNN) have been successfully employed to tackle several remote sensing tasks such as image classification and show better performance than previous techniques. For the radar imaging community, a natural…

Signal Processing · Electrical Eng. & Systems 2018-07-03 Jingkun Gao , Bin Deng , Yuliang Qin , Hongqiang Wang , Xiang Li

With the increasing popularity of human-computer interaction applications, there is also growing interest in generating sufficiently large and diverse data sets for automatic radar-based recognition of hand poses and gestures. Radar…

Signal Processing · Electrical Eng. & Systems 2023-07-31 Johanna Bräunig , Christian Schüßler , Vanessa Wirth , Marc Stamminger , Ingrid Ullmann , Martin Vossiek

Fingerprint recognition has been utilized for cellphone authentication, airport security and beyond. Many different features and algorithms have been proposed to improve fingerprint recognition. In this paper, we propose an end-to-end deep…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Shervin Minaee , Elham Azimi , Amirali Abdolrashidi

The goal of this work is the identification of humans based on motion data in the form of natural hand gestures. In this paper, the identification problem is formulated as classification with classes corresponding to persons' identities,…

Human-Computer Interaction · Computer Science 2013-03-20 Michał Romaszewski , Przemysław Głomb , Piotr Gawron

Fast and robust hand segmentation and tracking is an essential basis for gesture recognition and thus an important component for contact-less human-computer interaction (HCI). Hand gesture recognition based on 2D video data has been…

Computer Vision and Pattern Recognition · Computer Science 2011-10-26 Roberto Cespi , Andreas Kolb , Marvin Lindner

Human activity recognition is one of the most important tasks in computer vision and has proved useful in different fields such as healthcare, sports training and security. There are a number of approaches that have been explored to solve…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Sheryl Mathew , Annapoorani Subramanian , Pooja , Balamurugan MS , Manoj Kumar Rajagopal

We propose an entirely data-driven approach to estimating the 3D pose of a hand given a depth image. We show that we can correct the mistakes made by a Convolutional Neural Network trained to predict an estimate of the 3D pose by using a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-03 Markus Oberweger , Paul Wohlhart , Vincent Lepetit

Doppler radar systems enable unobtrusive and privacy-preserving long-term monitoring of human motions indoors. In particular, a person's gait can provide important information about their state of health. Utilizing micro-Doppler signatures,…

Signal Processing · Electrical Eng. & Systems 2019-02-27 Ann-Kathrin Seifert , Abdelhak M. Zoubir , Moeness G. Amin

Traditional surveillance systems rely on human attention, limiting their effectiveness. This study employs convolutional neural networks and transfer learning to develop a real-time computer vision system for automatic handgun detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Youssef Elmir