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The augmented usage of deep learning-based models for various AI related problems are as a result of modern architectures of deeper length and the availability of voluminous interpreted datasets. The models based on these architectures…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Chandra Sekhar V. , Anoushka Doctor , Prerana Mukherjee , Viswanath Pulabaigiri

An open research problem in automatic signature verification is the skilled forgery attacks. However, the skilled forgeries are very difficult to acquire for representation learning. To tackle this issue, this paper proposes to learn…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Songxuan Lai , Lianwen Jin , Luojun Lin , Yecheng Zhu , Huiyun Mao

LiDAR point clouds provide rich geometric information, which is particularly useful for the analysis of complex scenes of urban regions. Finding structural and semantic differences between two different three-dimensional point clouds, say,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Jaya Sreevalsan-Nair , Pragyan Mohapatra

Visual localization in large and complex indoor scenes, dominated by weakly textured rooms and repeating geometric patterns, is a challenging problem with high practical relevance for applications such as Augmented Reality and robotics. To…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Hajime Taira , Ignacio Rocco , Jiri Sedlar , Masatoshi Okutomi , Josef Sivic , Tomas Pajdla , Torsten Sattler , Akihiko Torii

Usually, in a real-world scenario, few signature samples are available to train an automatic signature verification system (ASVS). However, such systems do indeed need a lot of signatures to achieve an acceptable performance. Neuromotor…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Teruo M. Maruyama , Luiz S. Oliveira , Alceu S. Britto , Robert Sabourin

We propose a security verification framework for cryptographic protocols using machine learning. In recent years, as cryptographic protocols have become more complex, research on automatic verification techniques has been focused on. The…

Cryptography and Security · Computer Science 2023-04-27 Kentaro Ohno , Misato Nakabayashi

We propose a robust classification algorithm for curves in 2D and 3D, under the special and full groups of affine transformations. To each plane or spatial curve we assign a plane signature curve. Curves, equivalent under an affine…

Computer Vision and Pattern Recognition · Computer Science 2008-06-13 S. Feng , I. A. Kogan , H. Krim

In recent days, Artificial Neural Network (ANN) can be applied to a vast majority of fields including business, medicine, engineering, etc. The most popular areas where ANN is employed nowadays are pattern and sequence recognition, novelty…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Md. Abu Bakr Siddique , Mohammad Mahmudur Rahman Khan , Rezoana Bente Arif , Zahidun Ashrafi

This paper proposes a new approach for face verification, where a pair of images needs to be classified as belonging to the same person or not. This problem is relatively new and not well-explored in the literature. Current methods mostly…

Computer Vision and Pattern Recognition · Computer Science 2013-10-01 Dong Zhang , Omar Oreifej , Mubarak Shah

Object recognition and detection are well-studied problems with a developed set of almost standard solutions. Identity documents recognition, classification, detection, and localization are the tasks required in a number of applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Mykola Kozlenko , Volodymyr Sendetskyi , Oleksiy Simkiv , Nazar Savchenko , Andy Bosyi

American Sign Language recognition is a difficult gesture recognition problem, characterized by fast, highly articulate gestures. These are comprised of arm movements with different hand shapes, facial expression and head movements. Among…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Al Amin Hosain , Panneer Selvam Santhalingam , Parth Pathak , Huzefa Rangwala , Jana Kosecka

Signature-based techniques give mathematical insight into the interactions between complex streams of evolving data. These insights can be quite naturally translated into numerical approaches to understanding streamed data, and perhaps…

Machine Learning · Statistics 2025-02-21 Terry Lyons , Andrew D. McLeod

Sign language recognition is important for natural and convenient communication between deaf community and hearing majority. We take the highly efficient initial step of automatic fingerspelling recognition system using convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2015-10-15 Byeongkeun Kang , Subarna Tripathi , Truong Q. Nguyen

Artificial Neural Networks (ANNs) are being deployed for an increasing number of safety-critical applications, including autonomous cars and medical diagnosis. However, concerns about their reliability have been raised due to their…

Machine Learning · Computer Science 2021-09-17 Luiz Sena , Xidan Song , Erickson Alves , Iury Bessa , Edoardo Manino , Lucas Cordeiro , Eddie de Lima Filho

The path signature, having enjoyed recent success in the machine learning community, is a theoretically-driven method for engineering features from irregular paths. On the other hand, graph neural networks (GNN), neural architectures for…

Machine Learning · Computer Science 2024-02-07 Hans Riess , Manolis Veveakis , Michael M. Zavlanos

Motion blur, out of focus, insufficient spatial resolution, lossy compression and many other factors can all cause an image to have poor quality. However, image quality is a largely ignored issue in traditional pattern recognition…

Computer Vision and Pattern Recognition · Computer Science 2018-01-22 Fei Yang , Qian Zhang , Miaohui Wang , Guoping Qiu

We tackle the convolution neural networks (CNNs) backdoor detection problem by proposing a new representation called one-pixel signature. Our task is to detect/classify if a CNN model has been maliciously inserted with an unknown Trojan…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Shanjiaoyang Huang , Weiqi Peng , Zhiwei Jia , Zhuowen Tu

Image registration is a classic problem of computer vision with several applications across areas like defence, remote sensing, medicine etc. Feature based image registration methods traditionally used hand-crafted feature extraction…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 K. Kavitha , B. Thirumala Rao

Geometric verification is considered a de facto solution for the re-ranking task in image retrieval. In this study, we propose a novel image retrieval re-ranking network named Correlation Verification Networks (CVNet). Our proposed network,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Seongwon Lee , Hongje Seong , Suhyeon Lee , Euntai Kim

In this paper we put the visibility transformation on a clear theoretical footing and show that this transform is able to embed the effect of the absolute position of the data stream into signature features in a unified and efficient way.…

Machine Learning · Computer Science 2020-10-12 Yue Wu , Hao Ni , Terence J. Lyons , Robin L. Hudson