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In the last few years, we have witnessed the rise of a series of deep learning methods to generate synthetic images that look extremely realistic. These techniques prove useful in the movie industry and for artistic purposes. However, they…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Sara Mandelli , Nicolò Bonettini , Paolo Bestagini , Stefano Tubaro

Recently, many detection methods based on convolutional neural networks (CNNs) have been proposed for image splicing forgery detection. Most of these detection methods focus on the local patches or local objects. In fact, image splicing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Bo Liu , Ranglei Wu , Xiuli Bi , Bin Xiao , Weisheng Li , Guoyin Wang , Xinbo Gao

Optical Coherence Tomography allows ophthalmologist to obtain cross-section imaging of eye retina. Assisted with digital image analysis methods, effective disease detection could be performed. Various methods exist to extract feature from…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Kuntoro Adi Nugroho

An increasing number of digital images are being shared and accessed through websites, media, and social applications. Many of these images have been modified and are not authentic. Recent advances in the use of deep convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 David Güera , Yu Wang , Luca Bondi , Paolo Bestagini , Stefano Tubaro , Edward J. Delp

Just like its remarkable achievements in many computer vision tasks, the convolutional neural networks (CNN) provide an end-to-end solution in handwritten Chinese character recognition (HCCR) with great success. However, the process of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Zhiyuan Li , Min Jin , Qi Wu , Huaxiang Lu

Deep neural networks are representation learning techniques. During training, a deep net is capable of generating a descriptive language of unprecedented size and detail in machine learning. Extracting the descriptive language coded within…

Neural and Evolutionary Computing · Computer Science 2018-01-30 Dario Garcia-Gasulla , Ferran Parés , Armand Vilalta , Jonatan Moreno , Eduard Ayguadé , Jesús Labarta , Ulises Cortés , Toyotaro Suzumura

We study the finger vein (FV) sensor model identification task using a deep learning approach. So far, for this biometric modality, only correlation-based PRNU and texture descriptor-based methods have been applied. We employ five prominent…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Babak Maser , Andreas Uhl

In this paper, we consider the problem of detecting counterfeit identity documents in images captured with smartphones. As the number of documents contain special fonts, we study the applicability of convolutional neural networks (CNNs) for…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Yulia S. Chernyshova , Mikhail A. Aliev , Ekaterina S. Gushchanskaia , Alexander V. Sheshkus

Automatic fingerprint recognition systems suffer from the threat of presentation attacks due to their wide range of deployment in areas including national borders and commercial applications. A presentation attack can be performed by…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Anuj Rai , Parsheel Kumar Tiwari , Jyotishna Baishya , Ram Prakash Sharma , Somnath Dey

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…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Evyatar Illouz , Eli David , Nathan S. Netanyahu

This paper investigates the piracy problem of deep learning models. Designing and training a well-performing model is generally expensive. However, when releasing them, attackers may reverse engineer the models and pirate their design. This…

Cryptography and Security · Computer Science 2018-06-28 Hui Xu , Yuxin Su , Zirui Zhao , Yangfan Zhou , Michael R. Lyu , Irwin King

SigNet is a state of the art model for feature representation used for handwritten signature verification (HSV). This representation is based on a Deep Convolutional Neural Network (DCNN) and contains 2048 dimensions. When transposed to a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Victor L. F. Souza , Adriano L. I. Oliveira , Rafael M. O. Cruz , Robert Sabourin

In pattern recognition, digit recognition has always been a very challenging task. This paper aims to extracting a correct feature so that it can achieve better accuracy for recognition of digits. The applications of digit recognition such…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Kajol Gupta

Deep neural networks, albeit their great success on feature learning in various computer vision tasks, are usually considered as impractical for online visual tracking because they require very long training time and a large number of…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Hanxi Li , Yi Li , Fatih Porikli

This paper present a novel off-line signature recognition method based on multi scale Fourier Descriptor and wavelet transform . The main steps of constructing a signature recognition system are discussed and experiments on real data sets…

Computer Vision and Pattern Recognition · Computer Science 2010-04-09 Ismail A. Ismail , Mohammed A. Ramadan , Talaat S. El danaf , Ahmed H. Samak

Handwritten text recognition is an open problem of great interest in the area of automatic document image analysis. The transcription of handwritten content present in digitized documents is significant in analyzing historical archives or…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Jorge Sueiras

Different from the conventional deep learning work based on an images content in computer vision, deep steganalysis is an art to detect the secret information embedded in an image via deep learning, pose challenge of detection weak…

Multimedia · Computer Science 2018-04-19 Jianhua Yang , Yun-Qing Shi , Edward K. Wong , Xiangui Kang

In this paper, we present a methodology for off-line handwritten character recognition. The proposed methodology relies on a new feature extraction technique based on structural characteristics, histograms and profiles. As novelty, we…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 José Manuel Casas , Nick Inassaridze , Manuel Ladra , Susana Ladra

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

Recent researches introduced fast, compact and efficient convolutional neural networks (CNNs) for offline handwritten Chinese character recognition (HCCR). However, many of them did not address the problem of network interpretability. We…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Pavlo Melnyk , Zhiqiang You , Keqin Li
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