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Sign language video generation requires producing natural signing motions with realistic appearances under precise semantic control, yet faces two critical challenges: excessive signer-specific data requirements and poor generalization. We…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Jiayi He , Xu Wang , Shengeng Tang , Yaxiong Wang , Lechao Cheng , Dan Guo

Learning from noisy labels is a challenge that arises in many real-world applications where training data can contain incorrect or corrupted labels. When fine-tuning language models with noisy labels, models can easily overfit the label…

Computation and Language · Computer Science 2023-06-14 Yuchen Zhuang , Yue Yu , Lingkai Kong , Xiang Chen , Chao Zhang

The availability of large-scale face datasets has been key in the progress of face recognition. However, due to licensing issues or copyright infringement, some datasets are not available anymore (e.g. MS-Celeb-1M). Recent advances in…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Laurent Colbois , Tiago de Freitas Pereira , Sébastien Marcel

Today's legal restrictions that protect the privacy of biometric data are hampering fingerprint recognition researches. For instance, all high-resolution fingerprint databases ceased to be publicly available. To address this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 André Brasil Vieira Wyzykowski , Mauricio Pamplona Segundo , Rubisley de Paula Lemes

Given a full fingerprint image (rolled or slap), we present CycleGAN models to generate multiple latent impressions of the same identity as the full print. Our models can control the degree of distortion, noise, blurriness and occlusion in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Andre Brasil Vieira Wyzykowski , Anil K. Jain

Online Signature Verification commonly relies on function-based features, such as time-sampled horizontal and vertical coordinates, as well as the pressure exerted by the writer, obtained through a digitizer. Although inferring additional…

Robotics · Computer Science 2025-03-19 Moises Diaz , Miguel A. Ferrer , Juan M. Gil , Rafael Rodriguez , Peirong Zhang , Lianwen Jin

We propose a method for using synthetic data to help learning classifiers. Synthetic data, even is generated based on real data, normally results in a shift from the distribution of real data in feature space. To bridge the gap between the…

Computer Vision and Pattern Recognition · Computer Science 2015-03-12 Xi Zhang , Yanwei Fu , Andi Zang , Leonid Sigal , Gady Agam

Analysis of faces is one of the core applications of computer vision, with tasks ranging from landmark alignment, head pose estimation, expression recognition, and face recognition among others. However, building reliable methods requires…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Tadas Baltrusaitis , Erroll Wood , Virginia Estellers , Charlie Hewitt , Sebastian Dziadzio , Marek Kowalski , Matthew Johnson , Thomas J. Cashman , Jamie Shotton

Learning fine-grained image similarity is a challenging task. It needs to capture between-class and within-class image differences. This paper proposes a deep ranking model that employs deep learning techniques to learn similarity metric…

Computer Vision and Pattern Recognition · Computer Science 2014-04-21 Jiang Wang , Yang song , Thomas Leung , Chuck Rosenberg , Jinbin Wang , James Philbin , Bo Chen , Ying Wu

Deep learning has rapidly transformed the state of the art algorithms used to address a variety of problems in computer vision and robotics. These breakthroughs have relied upon massive amounts of human annotated training data. This time…

Computer Vision and Pattern Recognition · Computer Science 2017-02-28 Matthew Johnson-Roberson , Charles Barto , Rounak Mehta , Sharath Nittur Sridhar , Karl Rosaen , Ram Vasudevan

We address a core problem of computer vision: Detection and description of 2D feature points for image matching. For a long time, hand-crafted designs, like the seminal SIFT algorithm, were unsurpassed in accuracy and efficiency. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Aritra Bhowmik , Stefan Gumhold , Carsten Rother , Eric Brachmann

This paper does not introduce a new method per se. Instead, we build on existing self-supervised learning approaches for vision, drawing inspiration from the adage "fake it till you make it". While contrastive self-supervised learning has…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Nikolaos Giakoumoglou , Andreas Floros , Kleanthis Marios Papadopoulos , Tania Stathaki

Reconstructing low-dimensional truth labels from high-dimensional experimental data is a central challenge in any scenario that relies on robust mappings across this so-called domain gap, from multi-particle final states in high-energy…

High Energy Physics - Phenomenology · Physics 2025-05-12 Wonyong Chung

Synthetic data generation is gaining increasing popularity in different computer vision applications. Existing state-of-the-art face recognition models are trained using large-scale face datasets, which are crawled from the Internet and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Hatef Otroshi Shahreza , Sébastien Marcel

New deep-learning architectures are created every year, achieving state-of-the-art results in image recognition and leading to the belief that, in a few years, complex tasks such as sign language translation will be considerably easier,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Alvaro Leandro Cavalcante Carneiro , Lucas de Brito Silva , Denis Henrique Pinheiro Salvadeo

Motivation of our work is to present a new methodology for symbol recognition. We support structural methods for representing visual associations in graphic documents. The proposed method employs a structural approach for symbol…

Computer Vision and Pattern Recognition · Computer Science 2010-05-03 Muhammad Muzzamil Luqman , Mathieu Delalandre , Thierry Brouard , Jean-Yves Ramel , Josep Lladós

The rapid advancement of machine learning technologies raises questions about the security of machine learning models, with respect to both training-time (poisoning) and test-time (evasion, impersonation, and inversion) attacks. Models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Xinheng Xie , Kureha Yamaguchi , Margaux Leblanc , Simon Malzard , Varun Chhabra , Victoria Nockles , Yue Wu

To synthesize high-fidelity samples, diffusion models typically require auxiliary data to guide the generation process. However, it is impractical to procure the painstaking patch-level annotation effort required in specialized domains like…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Alexandros Graikos , Srikar Yellapragada , Minh-Quan Le , Saarthak Kapse , Prateek Prasanna , Joel Saltz , Dimitris Samaras

This paper addresses the challenges of data scarcity and high acquisition costs in training robust object detection models for complex industrial environments, such as offshore oil platforms. Data collection in these hazardous settings…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Pedro Antonio Rabelo Saraiva , Enzo Ferreira de Souza , Joao Manoel Herrera Pinheiro , Thiago H. Segreto , Ricardo V. Godoy , Marcelo Becker

Synthetic training data has gained prominence in numerous learning tasks and scenarios, offering advantages such as dataset augmentation, generalization evaluation, and privacy preservation. Despite these benefits, the efficiency of…

Machine Learning · Computer Science 2024-03-21 Jianhao Yuan , Jie Zhang , Shuyang Sun , Philip Torr , Bo Zhao