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Related papers: DeepTeeth: A Teeth-photo Based Human Authenticatio…

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Face recognition systems are widely deployed in high-security applications such as for biometric verification at border controls. Despite their high accuracy on pristine data, it is well-known that digital manipulations, such as face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Mathias Ibsen , Lázaro J. González-Soler , Christian Rathgeb , Christoph Busch

We study involuntary micro-movements of the eye for biometric identification. While prior studies extract lower-frequency macro-movements from the output of video-based eye-tracking systems and engineer explicit features of these…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Lena A. Jäger , Silvia Makowski , Paul Prasse , Sascha Liehr , Maximilian Seidler , Tobias Scheffer

Recently, significant progress has been achieved in deep image matting. Most of the classical image matting methods are time-consuming and require an ideal trimap which is difficult to attain in practice. A high efficient image matting…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Yaoyi Li , Jianfu Zhang , Weijie Zhao , Hongtao Lu

Low-light image enhancement (LLIE) aims at improving the perception or interpretability of an image captured in an environment with poor illumination. Recent advances in this area are dominated by deep learning-based solutions, where many…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Chongyi Li , Chunle Guo , Linghao Han , Jun Jiang , Ming-Ming Cheng , Jinwei Gu , Chen Change Loy

This paper presents a novel personal identification and verification system using information extracted from the hand shape and texture. The system has two major constituent modules: a fully automatic and robust peg free segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 F. Sohel , A. El-Sallam , M. Bennamoun

Teeth localization, segmentation, and labeling in 2D images have great potential in modern dentistry to enhance dental diagnostics, treatment planning, and population-based studies on oral health. However, general instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Bo Zou , Shaofeng Wang , Hao Liu , Gaoyue Sun , Yajie Wang , FeiFei Zuo , Chengbin Quan , Youjian Zhao

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

Current mobile user authentication systems based on PIN codes, fingerprint, and face recognition have several shortcomings. Such limitations have been addressed in the literature by exploring the feasibility of passive authentication on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Giuseppe Stragapede , Ruben Vera-Rodriguez , Ruben Tolosana , Aythami Morales , Alejandro Acien , Gael Le Lan

In this paper, automated user verification techniques for smartphones are investigated. A unique non-commercial dataset, the University of Maryland Active Authentication Dataset 02 (UMDAA-02) for multi-modal user authentication research is…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Upal Mahbub , Sayantan Sarkar , Vishal M. Patel , Rama Chellappa

Tagged magnetic resonance imaging~(MRI) has been used for decades to observe and quantify the detailed motion of deforming tissue. However, this technique faces several challenges such as tag fading, large motion, long computation times,…

Image and Video Processing · Electrical Eng. & Systems 2023-05-02 Zhangxing Bian , Fangxu Xing , Jinglun Yu , Muhan Shao , Yihao Liu , Aaron Carass , Jiachen Zhuo , Jonghye Woo , Jerry L. Prince

This paper proposes a novel logo image recognition approach incorporating a localization technique based on reinforcement learning. Logo recognition is an image classification task identifying a brand in an image. As the size and position…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Masato Fujitake

Oral diseases such as periodontal (gum) diseases and dental caries (cavities) affect billions of people across the world today. However, previous state-of-the-art models have relied on X-ray images to detect oral diseases, making them…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Ayush Garg , Julia Lu , Anika Maji

Deep learning has shown great potential in accelerating diffusion tensor imaging (DTI). Nevertheless, existing methods tend to suffer from Rician noise and eddy current, leading to detail loss in reconstructing the DTI-derived parametric…

Image and Video Processing · Electrical Eng. & Systems 2024-08-21 Wenxin Fan , Jian Cheng , Cheng Li , Jing Yang , Ruoyou Wu , Juan Zou , Shanshan Wang

Regular nutrient intake monitoring in hospitalised patients plays a critical role in reducing the risk of disease-related malnutrition (DRM). Although several methods to estimate nutrient intake have been developed, there is still a clear…

Computer Vision and Pattern Recognition · Computer Science 2019-06-13 Ya Lu , Thomai Stathopoulou , Maria F. Vasiloglou , Stergios Christodoulidis , Beat Blum , Thomas Walser , Vinzenz Meier , Zeno Stanga , Stavroula G. Mougiakakou

Camera-based photoplethysmography (PPG) obtained from smartphones has shown great promise for personalized healthcare and secure authentication. This paper presents a multimodal biometric system that integrates PPG signals extracted from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Xue Xian Zheng , M. M. Ur Rahma , Bilal Taha , Mudassir Masood , Dimitrios Hatzinakos , Tareq Al-Naffouri

Facial landmark detection is a crucial prerequisite for many face analysis applications. Deep learning-based methods currently dominate the approach of addressing the facial landmark detection. However, such works generally introduce a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Yang Zhao , Yifan Liu , Chunhua Shen , Yongsheng Gao , Shengwu Xiong

Person re-identification (re-id) is a cross-camera retrieval task which establishes a correspondence between images of a person from multiple cameras. Deep Learning methods have been successfully applied to this problem and have achieved…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Jean-Paul Ainam , Ke Qin , Guisong Liu , Guangchun Luo

Clinical deployment of deep learning algorithms for chest x-ray interpretation requires a solution that can integrate into the vast spectrum of clinical workflows across the world. An appealing approach to scaled deployment is to leverage…

In this work, we focused on deep learning image processing in the context of oral rare diseases, which pose challenges due to limited data availability. A crucial step involves teeth detection, segmentation and numbering in panoramic…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Hocine Kadi , Théo Sourget , Marzena Kawczynski , Sara Bendjama , Bruno Grollemund , Agnès Bloch-Zupan

In this paper, we explore mobile app use as a behavioral biometric identifier. While several efforts have also taken on this challenge, many have alluded to the inconsistency in human behavior, resulting in updating the biometric template…

Cryptography and Security · Computer Science 2019-12-30 Md A. Noor , G. Kaptan , V. Cherukupally , P. Gera , T. Neal
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