English
Related papers

Related papers: FlowPalm: Optical Flow Driven Non-Rigid Deformatio…

200 papers

Palmprint recognition is significantly limited by the lack of large-scale publicly available datasets. Previous methods have adopted B\'ezier curves to simulate the palm creases, which then serve as input for conditional GANs to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jianlong Jin , Chenglong Zhao , Ruixin Zhang , Sheng Shang , Jianqing Xu , Jingyun Zhang , ShaoMing Wang , Yang Zhao , Shouhong Ding , Wei Jia , Yunsheng Wu

Palmprint recognition techniques have advanced significantly in recent years, enabling reliable recognition even when palmprints are captured in uncontrolled or challenging environments. However, this strength also introduces new risks, as…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Licheng Yan , Bob Zhang , Andrew Beng Jin Teoh , Lu Leng , Shuyi Li , Yuqi Wang , Ziyuan Yang

Palmprint recognition is a secure and privacy-friendly method of biometric identification. One of the major challenges to improve palmprint recognition accuracy is the scarcity of palmprint data. Recently, a popular line of research…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Xingzeng Lan , Xing Duan , Chen Chen , Weiyu Lin , Bo Wang

This study explores the generation of synthesized fingerprint images using Denoising Diffusion Probabilistic Models (DDPMs). The significant obstacles in collecting real biometric data, such as privacy concerns and the demand for diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Freddie Grabovski , Lior Yasur , Yaniv Hacmon , Lior Nisimov , Stav Nimrod

The scarcity of large-scale palmprint databases poses a significant bottleneck to advancements in contactless palmprint recognition. To address this, researchers have turned to synthetic data generation. While Generative Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Steven A. Grosz , Anil K. Jain

Generating realistic palmprint (more generally biometric) images has always been an interesting and, at the same time, challenging problem. Classical statistical models fail to generate realistic-looking palmprint images, as they are not…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Shervin Minaee , Mehdi Minaei , Amirali Abdolrashidi

We propose FlowReg, a deep learning-based framework for unsupervised image registration for neuroimaging applications. The system is composed of two architectures that are trained sequentially: FlowReg-A which affinely corrects for gross…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Sergiu Mocanu , Alan R. Moody , April Khademi

Palmprint recently shows great potential in recognition applications as it is a privacy-friendly and stable biometric. However, the lack of large-scale public palmprint datasets limits further research and development of palmprint…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Lei Shen , Jianlong Jin , Ruixin Zhang , Huaen Li , Kai Zhao , Yingyi Zhang , Jingyun Zhang , Shouhong Ding , Yang Zhao , Wei Jia

Dense and versatile image representations underpin the success of virtually all computer vision applications. However, state-of-the-art networks, such as transformers, produce low-resolution feature grids, which are suboptimal for dense…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Nikita Araslanov , Anna Sonnweber , Daniel Cremers

Synthesizing diverse, uncertainty-aware grasps for multi-fingered hands from partial observations remains a critical challenge in robot learning. Prior generative methods struggle to model the intricate grasp distribution of dexterous hands…

Robotics · Computer Science 2025-09-05 Qian Feng , Jianxiang Feng , Zhaopeng Chen , Rudolph Triebel , Alois Knoll

There hardly exists any large-scale datasets with dense optical flow of non-rigid motion from real-world imagery as of today. The reason lies mainly in the required setup to derive ground truth optical flows: a series of images with known…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Hoàng-Ân Lê , Tushar Nimbhorkar , Thomas Mensink , Anil S. Baslamisli , Sezer Karaoglu , Theo Gevers

Modeling continuous-time dynamics from sparse and irregularly-sampled time series remains a fundamental challenge. Neural controlled differential equations provide a principled framework for such tasks, yet their performance is highly…

Machine Learning · Computer Science 2026-04-03 YongKyung Oh , Dong-Young Lim , Sungil Kim

With the recent success of computer vision and deep learning, remarkable progress has been achieved on automatic personal recognition using vein biometrics. However, collecting large-scale real-world training data for palm vein recognition…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Edwin H. Salazar-Jurado , Ruber Hernández-García , Karina Vilches-Ponce , Ricardo J. Barrientos , Marco Mora , Gaurav Jaswal

Current deep learning (DL)-based palmprint verification models rely on centralized training with large datasets, which raises significant privacy concerns due to biometric data's sensitive and immutable nature. Federated learning~(FL), a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Ziyuan Yang , Yingyu Chen , Chengrui Gao , Andrew Beng Jin Teoh , Bob Zhang , Yi Zhang

Creating realistic, natural, and lip-readable talking face videos remains a formidable challenge. Previous research primarily concentrated on generating and aligning single-frame images while overlooking the smoothness of frame-to-frame…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Shuheng Ge , Haoyu Xing , Li Zhang , Xiangqian Wu

Optical flow estimation is a crucial subfield of computer vision, serving as a foundation for video tasks. However, the real-world robustness is limited by animated synthetic datasets for training. This introduces domain gaps when applied…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Yingping Liang , Ying Fu , Yutao Hu , Wenqi Shao , Jiaming Liu , Debing Zhang

Obtaining the ground truth labels from a video is challenging since the manual annotation of pixel-wise flow labels is prohibitively expensive and laborious. Besides, existing approaches try to adapt the trained model on synthetic datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Yunhui Han , Kunming Luo , Ao Luo , Jiangyu Liu , Haoqiang Fan , Guiming Luo , Shuaicheng Liu

The utilization of synthetic data for fingerprint recognition has garnered increased attention due to its potential to alleviate privacy concerns surrounding sensitive biometric data. However, current methods for generating fingerprints…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Steven A. Grosz , Anil K. Jain

Authentication of individuals via palmprint based biometric system is becoming very popular due to its reliability as it contains unique and stable features. In this paper, we present a novel approach for palmprint recognition and its…

Computer Vision and Pattern Recognition · Computer Science 2016-02-08 Zanobya N. Khan , Rashid Jalal Qureshi , Jamil Ahmad

In medical imaging, the diffusion models have shown great potential for synthetic image generation tasks. However, these approaches often lack the interpretable connections between the generated and real images and can create anatomically…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Jian-Qing Zheng , Yuanhan Mo , Yang Sun , Jiahua Li , Fuping Wu , Ziyang Wang , Tonia Vincent , Bartłomiej W. Papież
‹ Prev 1 2 3 10 Next ›