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For a long time, detecting hand gestures and recognizing them as letters or numbers has been a challenging task. This creates communication barriers for individuals with disabilities. This paper introduces a new dataset, the Annotated…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Sanyam Jain

Natural user interfaces are on the rise. Manufacturers for Augmented, Virtual, and Mixed Reality head mounted displays are increasingly integrating new sensors into their consumer grade products, allowing gesture recognition without…

人机交互 · 计算机科学 2022-07-05 Alexander Schäfer , Gerd Reis , Didier Stricker

Signed networks are graphs whose edges are labelled with either a positive or a negative sign, and can be used to capture nuances in interactions that are missed by their unsigned counterparts. The concept of balance in signed graph theory…

社会与信息网络 · 计算机科学 2020-02-04 Bruno Ordozgoiti , Antonis Matakos , Aristides Gionis

Gesture and signature passwords are two-dimensional figures created by drawing on the surface of a touchscreen with one or more fingers. Prior results about their security have used resilience to either shoulder surfing, a human observation…

密码学与安全 · 计算机科学 2018-12-27 Can Liu , Shridatt Sugrim , Gradeigh D. Clark , Janne Lindqvist

Artificial Neural Network (ANN) s has widely been used for recognition of optically scanned character, which partially emulates human thinking in the domain of the Artificial Intelligence. But prior to recognition, it is necessary to…

计算与语言 · 计算机科学 2009-11-05 Kaustubh Bhattacharyya , Kandarpa Kumar Sarma

The task of action recognition has been in the forefront of research, given its applications in gaming, surveillance and health care. In this work, we propose a simple, yet very effective approach which works seamlessly for both offline and…

计算机视觉与模式识别 · 计算机科学 2016-11-02 Yashas Annadani , D L Rakshith , Soma Biswas

Handwriting movements can be leveraged as a unique form of behavioral biometrics, to verify whether a real user is operating a device or application. This task can be framed as a reverse Turing test in which a computer has to detect if an…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Luis A. Leiva , Moises Diaz , Nuwan T. Attygalle , Miguel A. Ferrer , Rejean Plamondon

As the Internet help us cross cultural border by providing different information, plagiarism issue is bound to arise. As a result, plagiarism detection becomes more demanding in overcoming this issue. Different plagiarism detection tools…

计算机视觉与模式识别 · 计算机科学 2010-03-25 Chow Kok Kent , Naomie Salim

Owing to the rapid growth of touchscreen mobile terminals and pen-based interfaces, handwriting-based writer identification systems are attracting increasing attention for personal authentication, digital forensics, and other applications.…

计算机视觉与模式识别 · 计算机科学 2015-12-23 Weixin Yang , Lianwen Jin , Manfei Liu

Encoded (or ciphered) manuscripts are a special type of historical documents that contain encrypted text. The automatic recognition of this kind of documents is challenging because: 1) the cipher alphabet changes from one document to…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Mohamed Ali Souibgui , Alicia Fornés , Yousri Kessentini , Crina Tudor

Handwritten Word Recognition and Spotting is a challenging field dealing with handwritten text possessing irregular and complex shapes. The design of deep neural network models makes it necessary to extend training datasets in order to…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Ayan Kumar Bhunia , Abhirup Das , Ankan Kumar Bhunia , Perla Sai Raj Kishore , Partha Pratim Roy

Handwritten text recognition is challenging because of the virtually infinite ways a human can write the same message. Our fully convolutional handwriting model takes in a handwriting sample of unknown length and outputs an arbitrary stream…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Felipe Petroski Such , Dheeraj Peri , Frank Brockler , Paul Hutkowski , Raymond Ptucha

Although anti-virus software has significantly evolved over the last decade, classic signature matching based on byte patterns is still a prevalent concept for identifying security threats. Anti-virus signatures are a simple and fast…

密码学与安全 · 计算机科学 2016-10-20 Christian Wressnegger , Kevin Freeman , Fabian Yamaguchi , Konrad Rieck

We propose a novel method, the adaptive local window, for improving level set segmentation technique. The window is estimated separately for each contour point, over iterations of the segmentation process, and for each individual object.…

计算机视觉与模式识别 · 计算机科学 2016-06-14 Assaf Hoogi , Christopher F. Beaulieu , Guilherme M. Cunha , Elhamy Heba , Claude B. Sirlin , Sandy Napel , Daniel L. Rubin

The 'signature method' refers to a collection of feature extraction techniques for multivariate time series, derived from the theory of controlled differential equations. There is a great deal of flexibility as to how this method can be…

机器学习 · 计算机科学 2021-02-09 James Morrill , Adeline Fermanian , Patrick Kidger , Terry Lyons

There is an immense quantity of historical and cultural documentation that exists only as handwritten manuscripts. At the same time, performing OCR across scripts and different handwriting styles has proven to be an enormously difficult…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Lucian Li

The theory of sampling and recovery of bandlimited graph signals has been extensively studied. However, in many cases, the observation of a signal is quite coarse. For example, users only provide simple comments such as "like" or "dislike"…

信号处理 · 电气工程与系统科学 2024-02-20 Wenwei Liu , Hui Feng , Feng Ji , Bo Hu

In human computer interaction, real-time detection and classification of dynamic hand gestures is challenging as: 1) the system must run in a real-time video stream and there is no noticeable lag in response after performing a gesture; 2)…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Yinghao Qin , Tijana Timotijevic

With the growth of editing and sharing images through the internet, the importance of protecting the images' authorship has increased. Robust watermarking is a known approach to maintaining copyright protection. Robustness and…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Arezoo PariZanganeh , Ghazaleh Ghorbanzadeh , Zahra Nabizadeh ShahreBabak , Nader Karimi , Shadrokh Samavi

A genuine signer's signature is naturally unstable even at short time-intervals whereas, expert forgers always try to perfectly mimic a genuine signer's signature. This presents a challenge which puts a genuine signer at risk of being…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Paul Brimoh , Chollette C. Olisah