English
Related papers

Related papers: Can Shadows Reveal Biometric Information?

200 papers

The modern surge in camera usage alongside widespread computer vision technology applications poses significant privacy and security concerns. Current artificial intelligence (AI) technologies aid in recognizing relevant events and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jhon Lopez , Carlos Hinojosa , Henry Arguello , Bernard Ghanem

Many outdoor autonomous mobile platforms require more human identity anonymized data to power their data-driven algorithms. The human identity anonymization should be robust so that less manual intervention is needed, which remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Hengyuan Zhang , Jing-Yan Liao , David Paz , Henrik I. Christensen

Face recognition is a biometric which is attracting significant research, commercial and government interest, as it provides a discreet, non-intrusive way of detecting, and recognizing individuals, without need for the subject's knowledge…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Andrew Jason Shepley

The advancement of generative radiance fields has pushed the boundary of 3D-aware image synthesis. Motivated by the observation that a 3D object should look realistic from multiple viewpoints, these methods introduce a multi-view constraint…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xingang Pan , Xudong Xu , Chen Change Loy , Christian Theobalt , Bo Dai

A major limitation to advances in fingerprint spoof detection is the lack of publicly available, large-scale fingerprint spoof datasets, a problem which has been compounded by increased concerns surrounding privacy and security of biometric…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Steven A. Grosz , Anil K. Jain

Gait recognition (GR) is a growing biometric modality used for person identification from a distance through visual cameras. GR provides a secure and reliable alternative to fingerprint and face recognition, as it is harder to distinguish…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Muhammad Imran Sharif , Mehwish Mehmood , Muhammad Irfan Sharif , Md Palash Uddin

The combination of highly realistic voice cloning, along with visually compelling avatar, face-swap, or lip-sync deepfake video generation, makes it relatively easy to create a video of anyone saying anything. Today, such deepfake…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Justin D. Norman , Hany Farid

As a special case of common object removal, image person removal is playing an increasingly important role in social media and criminal investigation domains. Due to the integrity of person area and the complexity of human posture, person…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Yunliang Jiang , Chenyang Gu , Zhenfeng Xue , Xiongtao Zhang , Yong Liu

Face recognition systems are robust against environmental changes and noise, and thus may be vulnerable to illegal authentication attempts using user face photos, such as spoofing attacks. To prevent such spoofing attacks, it is crucial to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Shota Iwamatsu , Koichi Ito , Takafumi Aoki

We evaluate the information that can unintentionally leak into the low dimensional output of a neural network, by reconstructing an input image from a 40- or 32-element feature vector that intends to only describe abstract attributes of a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Kathleen Anderson , Thomas Martinetz

The use of gait for person identification has important advantages such as being non-invasive, unobtrusive, not requiring cooperation and being less likely to be obscured compared to other biometrics. Existing methods for gait recognition…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Adrian Cosma , Emilian Radoi

Following the recent initiatives for the democratization of AI, deep fake generators have become increasingly popular and accessible, causing dystopian scenarios towards social erosion of trust. A particular domain, such as biological…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Ilke Demir , Umur A. Ciftci

Prior studies show that the key to face anti-spoofing lies in the subtle image pattern, termed "spoof trace", e.g., color distortion, 3D mask edge, Moire pattern, and many others. Designing a generic anti-spoofing model to estimate those…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yaojie Liu , Joel Stehouwer , Xiaoming Liu

As synthetic imagery is used more frequently in training deep models, it is important to understand how different synthesis techniques impact the performance of such models. In this work, we perform a thorough evaluation of the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Kristofer Schlachter , Connor DeFanti , Sebastian Herscher , Ken Perlin , Jonathan Tompson

Gait recognition is the process of identifying humans from their bipedal locomotion such as walking or running. As such, gait data is privacy sensitive information and should be anonymized where possible. With the rise of higher quality…

Cryptography and Security · Computer Science 2023-09-04 Simon Hanisch , Evelyn Muschter , Admantini Hatzipanayioti , Shu-Chen Li , Thorsten Strufe

We introduce ShadowDraw, a framework that transforms ordinary 3D objects into shadow-drawing compositional art. Given a 3D object, our system predicts scene parameters, including object pose and lighting, together with a partial line…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Rundong Luo , Noah Snavely , Wei-Chiu Ma

We present a method for synthesizing naturally looking images of multiple people interacting in a specific scenario. These images benefit from the advantages of synthetic data: being fully controllable and fully annotated with any type of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Igor Kviatkovsky , Nadav Bhonker , Gerard Medioni

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and identical procedure. In…

Computer Vision and Pattern Recognition · Computer Science 2014-03-24 V. Karthikeyan , K. Vijayalakshmi , P. Jeyakumar

The human face constantly conveys information, both consciously and subconsciously. However, as basic as it is for humans to visually interpret this information, it is quite a big challenge for machines. Conventional semantic facial feature…

Machine Learning · Computer Science 2016-10-21 Amogh Gudi

Person re-identification is a crucial task of identifying pedestrians of interest across multiple surveillance camera views. In person re-identification, a pedestrian is usually represented with features extracted from a rectangular image…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Yiheng Liu , Wengang Zhou , Jianzhuang Liu , Guojun Qi , Qi Tian , Houqiang Li