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Handwritten Signature Verification (HSV) systems distinguish between genuine and forged signatures. Traditional HSV development involves a static batch configuration, constraining the system's ability to model signatures to the limited data…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Kecia G. de Moura , Rafael M. O. Cruz , Robert Sabourin

Despite the advent of deep learning in computer vision, the general handwriting recognition problem is far from solved. Most existing approaches focus on handwriting datasets that have clearly written text and carefully segmented labels. In…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Hai Pham , Amrith Setlur , Saket Dingliwal , Tzu-Hsiang Lin , Barnabas Poczos , Kang Huang , Zhuo Li , Jae Lim , Collin McCormack , Tam Vu

Biometrics systems have been used in a wide range of applications and have improved people authentication. Signature verification is one of the most common biometric methods with techniques that employ various specifications of a signature.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Mohsen Fayyaz , Mohammad Hajizadeh_Saffar , Mohammad Sabokrou , Mahmood Fathy

Even though Deep Neural Networks are extremely powerful for image restoration tasks, they have several limitations. They are poorly understood and suffer from strong biases inherited from the training sets. One way to address these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Raphael Achddou , Yann Gousseau , Saïd Ladjal , Sabine Süsstrunk

Semantic noise in image classification datasets, where visually similar categories are frequently mislabeled, poses a significant challenge to conventional supervised learning approaches. In this paper, we explore the potential of using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Yingxuan Li , Jiafeng Mao , Yusuke Matsui

It is well known that deep learning approaches to face recognition and facial landmark detection suffer from biases in modern training datasets. In this work, we propose to use synthetic face images to reduce the negative effects of dataset…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Adam Kortylewski , Bernhard Egger , Andreas Morel-Forster , Andreas Schneider , Thomas Gerig , Clemens Blumer , Corius Reyneke , Thomas Vetter

Currently, high-fidelity text-to-image models are developed in an accelerating pace. Among them, Diffusion Models have led to a remarkable improvement in the quality of image generation, making it vary challenging to distinguish between…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Ziyue Zeng , Haoyuan Liu , Dingjie Peng , Luoxu Jing , Hiroshi Watanabe

Developing meaningful and efficient representations that separate the fundamental structure of the data generation mechanism is crucial in representation learning. However, Disentangled Representation Learning has not fully shown its…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Jacopo Dapueto , Nicoletta Noceti , Francesca Odone

We propose an algorithm to generate realistic face images of both real and synthetic identities (people who do not exist) with different facial yaw, shape and resolution.The synthesized images can be used to augment datasets to train CNNs…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Sandipan Banerjee , Walter J. Scheirer , Kevin W. Bowyer , Patrick J. Flynn

Neural networks need big annotated datasets for training. However, manual annotation can be too expensive or even unfeasible for certain tasks, like multi-person 2D pose estimation with severe occlusions. A remedy for this is synthetic data…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 David T. Hoffmann , Dimitrios Tzionas , Micheal J. Black , Siyu Tang

Noisy labels are ubiquitous in real-world datasets, especially in the large-scale ones derived from crowdsourcing and web searching. It is challenging to train deep neural networks with noisy datasets since the networks are prone to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Yangdi Lu , Wenbo He

The quality and realism of synthetically generated fingerprint images have increased significantly over the past decade fueled by advancements in generative artificial intelligence (GenAI). This has exacerbated the vulnerability of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Joseph Geo Benjamin , Anil K. Jain , Karthik Nandakumar

Distinguishing subtle differences in attributes is valuable, yet learning to make visual comparisons remains non-trivial. Not only is the number of possible comparisons quadratic in the number of training images, but also access to images…

Computer Vision and Pattern Recognition · Computer Science 2018-04-09 Aron Yu , Kristen Grauman

String representation Learning (SRL) is an important task in the field of Natural Language Processing, but it remains under-explored. The goal of SRL is to learn dense and low-dimensional vectors (or embeddings) for encoding character…

Computation and Language · Computer Science 2021-12-22 Urchade Zaratiana

Recent algorithms for image manipulation detection almost exclusively use deep network models. These approaches require either dense pixelwise groundtruth masks, camera ids, or image metadata to train the networks. On one hand, constructing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Susmit Agrawal , Prabhat Kumar , Siddharth Seth , Toufiq Parag , Maneesh Singh , Venkatesh Babu

We introduce Synscapes -- a synthetic dataset for street scene parsing created using photorealistic rendering techniques, and show state-of-the-art results for training and validation as well as new types of analysis. We study the behavior…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Magnus Wrenninge , Jonas Unger

This paper introduces MixDiff, a new self-supervised learning (SSL) pre-training framework that combines real and synthetic images. Unlike traditional SSL methods that predominantly use real images, MixDiff uses a variant of Stable…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Reza Akbarian Bafghi , Nidhin Harilal , Claire Monteleoni , Maziar Raissi

In order to analyze a trained model performance and identify its weak spots, one has to set aside a portion of the data for testing. The test set has to be large enough to detect statistically significant biases with respect to all the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Ran Shadmi , Jonathan Laserson , Gil Elbaz

The recently developed and publicly available synthetic image generation methods and services make it possible to create extremely realistic imagery on demand, raising great risks for the integrity and safety of online information.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Christos Koutlis , Symeon Papadopoulos

Authentication and identification methods based on human fingerprints are ubiquitous in several systems ranging from government organizations to consumer products. The performance and reliability of such systems directly rely on the volume…

Image and Video Processing · Electrical Eng. & Systems 2020-02-21 M. Sadegh Riazi , Seyed M. Chavoshian , Farinaz Koushanfar