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Drawing on recent advancements in diffusion models for text-to-image generation, identity-preserved personalization has made significant progress in accurately capturing specific identities with just a single reference image. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yi Wu , Ziqiang Li , Heliang Zheng , Chaoyue Wang , Bin Li

Palmprints are private and stable information for biometric recognition. In the deep learning era, the development of palmprint recognition is limited by the lack of sufficient training data. In this paper, by observing that palmar creases…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Kai Zhao , Lei Shen , Yingyi Zhang , Chuhan Zhou , Tao Wang , Ruixin Zhang , Shouhong Ding , Wei Jia , Wei Shen

With the rapid development of mobile devices, smartphones have gradually become an indispensable part of people's lives. Meanwhile, biometric authentication has been corroborated to be an effective method for establishing a person's…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Yingyi Zhang , Lin Zhang , Ruixin Zhang , Shaoxin Li , Jilin Li , Feiyue Huang

The primary goal of this work is to systematically evaluate the intra-finger variability of synthetic fingerprints (particularly latent prints) generated using a state-of-the-art diffusion model. Specifically, we focus on enhancing the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Noor Hussein , Anil K. Jain , Karthik Nandakumar

In this paper, we investigate multiple snapshot fusion of textural features for palmvein recognition including identification and verification. Although the literature proposed several approaches for palmvein recognition, the palmvein…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Mohanad Abukmeil , Gian Luca Marcialis

In the realm of multimedia data analysis, the extensive use of image datasets has escalated concerns over privacy protection within such data. Current research predominantly focuses on privacy protection either in data sharing or upon the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Huaxi Huang , Xin Yuan , Qiyu Liao , Dadong Wang , Tongliang Liu

The pose-guided person image generation task requires synthesizing photorealistic images of humans in arbitrary poses. The existing approaches use generative adversarial networks that do not necessarily maintain realistic textures or need…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Ankan Kumar Bhunia , Salman Khan , Hisham Cholakkal , Rao Muhammad Anwer , Jorma Laaksonen , Mubarak Shah , Fahad Shahbaz Khan

Deep learning methods have impacted almost every research field, demonstrating notable successes in medical imaging tasks such as denoising and super-resolution. However, the prerequisite for deep learning is data at scale, but data sharing…

Medical Physics · Physics 2024-02-16 Yongyi Shi , Wenjun Xia , Chuang Niu , Christopher Wiedeman , Ge Wang

Deep learning-based palmprint recognition algorithms have shown great potential. Most of them are mainly focused on identifying samples from the same dataset. However, they may be not suitable for a more convenient case that the images for…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Huikai Shao , Dexing Zhong

Face recognition poses serious privacy risks due to its reliance on sensitive and immutable biometric data. While modern systems mitigate privacy risks by mapping facial images to embeddings (commonly regarded as privacy-preserving), model…

Cryptography and Security · Computer Science 2026-05-04 Hanrui Wang , Shuo Wang , Chun-Shien Lu , Isao Echizen

The emergence of generative AI and controllable diffusion has made image-to-image synthesis increasingly practical and efficient. However, when input images exhibit low entropy and sparse, the inherent characteristics of diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Hao Wang , Xiwen Chen , Ashish Bastola , Jiayou Qin , Abolfazl Razi

Bimodal palmprint recognition leverages palmprint and palm vein images simultaneously,which achieves high accuracy by multi-model information fusion and has strong anti-falsification property. In the recognition pipeline, the detection of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Zhaoqun Li , Xu Liang , Dandan Fan , Jinxing Li , David Zhang

There is growing concern about image privacy due to the popularity of social media and photo devices, along with increasing use of face recognition systems. However, established image de-identification techniques are either too subject to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Tao Li , Chris Clifton

The integration of Differential Privacy (DP) with diffusion models (DMs) presents a promising yet challenging frontier, particularly due to the substantial memorization capabilities of DMs that pose significant privacy risks. Differential…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Yu-Lin Tsai , Yizhe Li , Zekai Chen , Po-Yu Chen , Chia-Mu Yu , Xuebin Ren , Francois Buet-Golfouse

Many cultures around the world believe that palm reading can be used to predict the future life of a person. Palmistry uses features of the hand such as palm lines, hand shape, or fingertip position. However, the research on palm-line…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Toan Pham Van , Son Trung Nguyen , Linh Bao Doan , Ngoc N. Tran , Ta Minh Thanh

Face recognition technology has been deployed in various real-life applications. The most sophisticated deep learning-based face recognition systems rely on training millions of face images through complex deep neural networks to achieve…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Dong Han , Yong Li , Joachim Denzler

Despite the fact that DeepFake forgery detection algorithms have achieved impressive performance on known manipulations, they often face disastrous performance degradation when generalized to an unseen manipulation. Some recent works show…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Chuer Yu , Xuhong Zhang , Yuxuan Duan , Senbo Yan , Zonghui Wang , Yang Xiang , Shouling Ji , Wenzhi Chen

Biometric authentication has garnered significant attention as a secure and efficient method of identity verification. Among the various modalities, hand vein biometrics, including finger vein, palm vein, and dorsal hand vein recognition,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Mustapha Hemis , Hamza Kheddar , Sami Bourouis , Nasir Saleem

Computationally efficient, accurate, and privacy-preserving data storage and retrieval are among the key challenges faced by practical deployments of biometric identification systems worldwide. In this work, a method of protected indexing…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Dailé Osorio-Roig , Christoph Busch

Face anonymization aims to protect sensitive identity information by altering faces while preserving visual realism and utility for downstream computer vision tasks. Current methods struggle to simultaneously ensure high image quality,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Pol Labarbarie , Vincent Itier , William Puech