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Self-supervised learning has developed rapidly over the last decade and has been applied in many areas of computer vision. Decorrelation-based self-supervised pretraining has shown great promise among non-contrastive algorithms, yielding…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Arkadip Maitra , Shree Mitra , Siladittya Manna , Saumik Bhattacharya , Umapada Pal

Ensemble of predictions is known to perform better than individual predictions taken separately. However, for tasks that require heavy computational resources, e.g. semantic segmentation, creating an ensemble of learners that needs to be…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Walid Bousselham , Guillaume Thibault , Lucas Pagano , Archana Machireddy , Joe Gray , Young Hwan Chang , Xubo Song

Nowadays, hand gesture recognition has become an alternative for human-machine interaction. It has covered a large area of applications like 3D game technology, sign language interpreting, VR (virtual reality) environment, and robotics. But…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Abir Sen , Tapas Kumar Mishra , Ratnakar Dash

Handwriting-based gender classification is a well-researched problem that has been approached mainly by traditional machine learning techniques. In this paper, we propose a novel deep learning-based approach for this task. Specifically, we…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Evyatar Illouz , Eli David , Nathan S. Netanyahu

Signatures present on corporate documents are often used in investigations of relationships between persons of interest, and prior research into the task of offline signature verification has evaluated a wide range of methods on standard…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Nikhil Woodruff , Amir Enshaei , Bashar Awwad Shiekh Hasan

Text detection in the wild is a well-known problem that becomes more challenging while handling multiple scripts. In the last decade, some scripts have gained the attention of the research community and achieved good detection performance.…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Prateek Keserwani , Taveena Lotey , Rohit Keshari , Partha Pratim Roy

Offline handwritten signature verification remains a challenging task, particularly in writer-independent settings where models must generalize across unseen individuals. Recent developments have highlighted the advantage of geometrically…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Elias N. Zois , Moises Diaz , Salem Said , Miguel A. Ferrer

Developmental dysgraphia is a neurological disorder that hinders children's writing skills. In recent years, researchers have increasingly explored machine learning methods to support the diagnosis of dysgraphia based on offline and online…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Jayakanth Kunhoth , Somaya Al-Maadeed , Moutaz Saleh , Younes Akbari

It is well known that fraudulent reviews cast doubt on the legitimacy and dependability of online purchases. The most recent development that leads customers towards darkness is the appearance of human reviews in computer-generated (CG)…

计算与语言 · 计算机科学 2025-12-01 Shabbir Anees , Anshuman , Ayush Chaurasia , Prathmesh Bogar

Despite the fact that notable improvements have been made recently in the field of feature extraction and classification, human action recognition is still challenging, especially in images, in which, unlike videos, there is no motion.…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Sina Mohammadi , Sina Ghofrani Majelan , Shahriar B. Shokouhi

Privacy-preserving deep learning is crucial for deploying deep neural network based solutions, especially when the model works on data that contains sensitive information. Most privacy-preserving methods lead to undesirable performance…

密码学与安全 · 计算机科学 2019-09-19 Lichao Sun , Yingbo Zhou , Ji Wang , Jia Li , Richard Sochar , Philip S. Yu , Caiming Xiong

We propose an effective Hybrid Deep Learning (HDL) architecture for the task of determining the probability that a questioned handwritten word has been written by a known writer. HDL is an amalgamation of Auto-Learned Features (ALF) and…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Mohammad Abuzar Shaikh , Mihir Chauhan , Jun Chu , Sargur Srihari

In this paper, we demonstrate how a generative model can be used to build a better recognizer through the control of content and style. We are building an online handwriting recognizer from a modest amount of training samples. By training…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Jen-Hao Rick Chang , Martin Bresler , Youssouf Chherawala , Adrien Delaye , Thomas Deselaers , Ryan Dixon , Oncel Tuzel

The paper examines deep learning models for scribe verification in Chinese manuscripts. That is, to automatically determine whether two manuscript fragments were written by the same scribe using deep metric learning methods. Two datasets…

Writer identification has practical applications for forgery detection and forensic science. Most models based on deep neural networks extract features from character image or sub-regions in character image, which ignoring features…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Shiyu Wang

As advances in signature recognition have reached a new plateau of performance at around 2% error rate, it is interesting to investigate alternative approaches. The approach detailed in this paper looks at using Variational Auto-Encoders…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Antoine Viscardi , Casey Juanxi Li , Thomas Hollis

The quality control of printed circuit boards (PCBs) is paramount in advancing electronic device technology. While numerous machine learning methodologies have been utilized to augment defect detection efficiency and accuracy, previous…

机器学习 · 计算机科学 2024-09-17 Ka Nam Canaan Law , Mingshuo Yu , Lianglei Zhang , Yiyi Zhang , Peng Xu , Jerry Gao , Jun Liu

In this paper, we present a passive method to detect face presentation attack a.k.a face liveness detection using an ensemble deep learning technique. Face liveness detection is one of the key steps involved in user identity verification of…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Shashank Shekhar , Avinash Patel , Mrinal Haloi , Asif Salim

In critical applications of anomaly detection including computer security and fraud prevention, the anomaly detector must be configurable by the analyst to minimize the effort on false positives. One important way to configure the anomaly…

机器学习 · 计算机科学 2018-09-19 Shubhomoy Das , Md Rakibul Islam , Nitthilan Kannappan Jayakodi , Janardhan Rao Doppa

In this paper we simulate a real biometric verification system based on on-line signatures. For this purpose we have split the MCYT signature database in three subsets: one for classifier training, another for system adjustment and a third…

计算机视觉与模式识别 · 计算机科学 2022-02-25 Joan Fabregas , Marcos Faundez-Zanuy