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Related papers: OCT Fingerprints: Resilience to Presentation Attac…

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Optical implementations of neural networks (ONNs) herald the next-generation high-speed and energy-efficient deep learning computing by harnessing the technical advantages of large bandwidth and high parallelism of optics. However, due to…

Emerging Technologies · Computer Science 2021-12-16 Shaofu Xu , Jing Wang , Haowen Shu , Zhike Zhang , Sicheng Yi , Bowen Bai , Xingjun Wang , Jianguo Liu , Weiwen Zou

Face presentation attack detection (PAD) has become a thorny problem for biometric systems and numerous countermeasures have been proposed to address it. However, majority of them directly extract feature descriptors and distinguish fake…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Lei Li , Zhaoqiang Xia , Xiaoyue Jiang , Fabio Roli , Xiaoyi Feng

Saliency-guided training, which directs model learning to important regions of images, has demonstrated generalization improvements across various biometric presentation attack detection (PAD) tasks. This paper presents its first…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Samuel Webster , Adam Czajka

Purpose: Middle ear infection is the most prevalent inflammatory disease, especially among the pediatric population. Current diagnostic methods are subjective and depend on visual cues from an otoscope, which is limited for otologists to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Peng Liu , Jonas Golde , Joseph Morgenstern , Sebastian Bodenstedt , Chenpan Li , Yujia Hu , Zhaoyu Chen , Edmund Koch , Marcus Neudert , Stefanie Speidel

Currently, diagnosis of skin diseases is based primarily on visual pattern recognition skills and expertise of the physician observing the lesion. Even though dermatologists are trained to recognize patterns of morphology, it is still a…

Optical coherence tomography (OCT) can provide high-resolution cross-sectional images for analyzing superficial plaques in coronary arteries. Commonly, plaque characterization using intra-coronary OCT images is performed manually by expert…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Shenghua He , Jie Zheng , Akiko Maehara , Gary Mintz , Dalin Tang , Mark Anastasio , Hua Li

Optical Coherence Tomography (OCT) is a key 3D imaging technology that provides micron scale depth resolution for bio-imaging. This resolution substantially surpasses what it typically achieved in Light Detection and Ranging (LiDAR) which…

Optics · Physics 2022-07-27 Robbie Murray , Ashley Lyons

TOR (The Onion Router) network is a widely used open source anonymous communication tool, the abuse of TOR makes it difficult to monitor the proliferation of online crimes such as to access criminal websites. Most existing approches for TOR…

Cryptography and Security · Computer Science 2022-09-27 Haili Sun , Yan Huang , Lansheng Han , Xiang Long , Hongle Liu , Chunjie Zhou

Fingerprint alteration, also referred to as obfuscation presentation attack, is to intentionally tamper or damage the real friction ridge patterns to avoid identification by an AFIS. This paper proposes a method for detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-20 Elham Tabassi , Tarang Chugh , Debayan Deb , Anil K. Jain

Optical Coherence Tomography is a technique used to scan the Retina of the eye and check for tears. In this paper, we develop a Convolutional Neural Network Architecture for OCT scan classification. The model is trained to detect Retinal…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Adit Magotra , Aagat Gedam , Tanush Savadi , Emily Li

In this paper, we design a Generative Adversarial Network (GAN)-based solution for super-resolution and segmentation of optical coherence tomography (OCT) scans of the retinal layers. OCT has been identified as a non-invasive and…

Image and Video Processing · Electrical Eng. & Systems 2022-06-29 Paria Jeihouni , Omid Dehzangi , Annahita Amireskandari , Ali Rezai , Nasser M. Nasrabadi

Optical coherence tomography (OCT) is a powerful biomedical imaging technology that relies on the coherent detection of backscattered light to image tissue morphology in vivo. As a consequence, OCT is susceptible to coherent noise (speckle…

Ophthalmic diseases represent a significant global health issue, necessitating the use of advanced precise diagnostic tools. Optical Coherence Tomography (OCT) imagery which offers high-resolution cross-sectional images of the retina has…

Artificial Intelligence · Computer Science 2024-09-27 Md. Touhidul Islam , Md. Abtahi Majeed Chowdhury , Mahmudul Hasan , Asif Quadir , Lutfa Aktar

In recent years, there have been several works that use website fingerprinting techniques to enable a local adversary to determine which website a Tor user visits. While the current state-of-the-art attack, which uses deep learning,…

Cryptography and Security · Computer Science 2019-07-25 Sanjit Bhat , David Lu , Albert Kwon , Srinivas Devadas

Optical coherence tomography (OCT) is a label-free, non-invasive 3D imaging tool widely used in both biological research and clinical diagnosis. Current OCT modalities can only visualize specimen tomography without chemical information.…

Face anti-spoofing algorithms play a pivotal role in the robust deployment of face recognition systems against presentation attacks. Conventionally, full facial images are required by such systems to correctly authenticate individuals, but…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Vaibhav Sundharam , Abhijit Sarkar , A. Lynn Abbott

Purpose: To develop a deep learning approach to digitally-stain optical coherence tomography (OCT) images of the optic nerve head (ONH). Methods: A horizontal B-scan was acquired through the center of the ONH using OCT (Spectralis) for 1…

We propose a simple, efficient, and accurate method for detecting out-of-distribution (OOD) data for trained neural networks. We propose a novel descriptor, HAct - activation histograms, for OOD detection, that is, probability distributions…

Machine Learning · Computer Science 2023-10-19 Sudeepta Mondal , Ganesh Sundaramoorthi

Iris recognition technology has attracted an increasing interest in the last decades in which we have witnessed a migration from research laboratories to real world applications. The deployment of this technology raises questions about the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Aythami Morales , Julian Fierrez , Javier Galbally , Marta Gomez-Barrero

The rapid proliferation of deep learning has revolutionized computing hardware, driving innovations to improve computationally expensive multiply-and-accumulate operations in deep neural networks. Among these innovations are integrated…

Cryptography and Security · Computer Science 2024-11-27 Salma Afifi , Ishan Thakkar , Sudeep Pasricha
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