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The use of hand gestures provides a natural alternative to cumbersome interface devices for Human-Computer Interaction (HCI) systems. As the technology advances and communication between humans and machines becomes more complex, HCI systems…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Okan Köpüklü , Yao Rong , Gerhard Rigoll

Contactless fingerprint recognition systems offer a hygienic, user-friendly, and efficient alternative to traditional contact-based methods. However, their accuracy heavily relies on precise fingertip detection and segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Laurenz Ruzicka , Bernhard Kohn , Clemens Heitzinger

The computer industry is developing at a fast pace. With this development almost all of the fields under computers have advanced in the past couple of decades. But the same technology is being used for human computer interaction that was…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Amiraj Dhawan , Vipul Honrao

The hand gestures are one of the typical methods used in sign language. It is very difficult for the hearing-impaired people to communicate with the world. This project presents a solution that will not only automatically recognize the hand…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 K. Manikandan , Ayush Patidar , Pallav Walia , Aneek Barman Roy

Hand keypoints detection and pose estimation has numerous applications in computer vision, but it is still an unsolved problem in many aspects. An application of hand keypoints detection is in performing cognitive assessments of a subject…

Computer Vision and Pattern Recognition · Computer Science 2018-04-05 Srujana Gattupalli , Ashwin Ramesh Babu , James Robert Brady , Fillia Makedon , Vassilis Athitsos

Since computer was invented, people are using many devices to interact with computer. Initially there were keyboard, mouse etc. but with the advancement of technology, new ways are being discovered that are quite usual and natural to the…

Human-Computer Interaction · Computer Science 2014-09-30 Ankit Chaudhary

Motivated by the problem of fingerprint matching, we present geometric approximation algorithms for matching a pattern point set against a background point set, where the points have angular orientations in addition to their positions.

Computational Geometry · Computer Science 2018-08-03 David Eppstein , Michael T. Goodrich , Jordan Jorgensen , Manuel R. Torres

The use of motion capture has increased from last decade in a varied spectrum of applications like film special effects, controlling games and robots, rehabilitation system, animations etc. The current human motion capture techniques use…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Muhammad Yahya , Jawad Ali Shah , Arif Warsi , Kushsairy Kadir , Sheroz Khan , M Izani

Touch is a crucial sensing modality that provides rich information about object properties and interactions with the physical environment. Humans and robots both benefit from using touch to perceive and interact with the surrounding…

Detecting retinal image analysis, particularly the geometrical features of branching points, plays an essential role in diagnosing eye diseases. However, existing methods used for this purpose often are coarse-level and lack fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hao Wang , Wenhui Zhu , Jiayou Qin , Xin Li , Oana Dumitrascu , Xiwen Chen , Peijie Qiu , Abolfazl Razi

This paper proposes a novel contact and wearable sensing system for estimating the upper body posture and joint angles (ankle, knee, and hip) of the human body using foot pressure distribution information obtained from a sensor attached to…

Human-Computer Interaction · Computer Science 2024-01-24 Yo Kobayashi , Yasutaka Nakashima

This paper presents the maneuver of mouse pointer and performs various mouse operations such as left click, right click, double click, drag etc using gestures recognition technique. Recognizing gestures is a complex task which involves many…

Computer Vision and Pattern Recognition · Computer Science 2014-01-10 Rachit Puri

Dynamic hand tracking and gesture recognition is a hard task since there are many joints on the fingers and each joint owns many degrees of freedom. Besides, object occlusion is also a thorny issue in finger tracking and posture…

Human-Computer Interaction · Computer Science 2018-09-18 Zhishuai Han , Xiaojuan Ban , Xiaokun Wang , Di wu

Touch plays a fundamental role in manipulation for humans; however, machine perception of contact and pressure typically requires invasive sensors. Recent research has shown that deep models can estimate hand pressure based on a single RGB…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Patrick Grady , Jeremy A. Collins , Chengcheng Tang , Christopher D. Twigg , Kunal Aneja , James Hays , Charles C. Kemp

The established way of interfacing with most computer systems is a mouse and keyboard. Hand gestures are an intuitive and effective touchless way to interact with computer systems. However, hand gesture based systems have seen low adoption…

Human-Computer Interaction · Computer Science 2020-10-27 Sriram Krishna , Nishant Sinha

We introduce a new pipeline for hand localization and fingertip detection. For RGB images captured from an egocentric vision mobile camera, hand and fingertip detection remains a challenging problem due to factors like background complexity…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Xiaorui Liu , Yichao Huang , Xin Zhang , Lianwen Jin

In this thesis a new approach for touch detection on optical multi-touch devices is proposed that exploits the fact that the camera images reveal not only the actual touch points but also objects above the screen such as the hand or arm of…

Computer Vision and Pattern Recognition · Computer Science 2013-01-09 Philipp Ewerling

Pointing gestures are a common interaction method used in Human-Robot Collaboration for various tasks, ranging from selecting targets to guiding industrial processes. This study introduces a method for localizing pointed targets within a…

Robotics · Computer Science 2025-06-30 Noora Sassali , Roel Pieters

Fingernail imaging has been proven to be effective in prior works [1],[2] for estimating the 3D fingertip forces with a maximum RMS estimation error of 7%. In the current research, fingernail imaging is used to perform unconstrained grasp…

Robotics · Computer Science 2021-10-01 Navid Fallahinia , Stephen A. Mascaro

We present in this paper a new approach for hand gesture analysis that allows digit recognition. The analysis is based on extracting a set of features from a hand image and then combining them by using an induction graph. The most important…

Computer Vision and Pattern Recognition · Computer Science 2009-06-30 Ahmed Ben Jmaa , Walid Mahdi , Yousra Ben Jemaa , Abdelmajid Ben Hamadou