English
Related papers

Related papers: Cataract influence on iris recognition performance

200 papers

Beautification and augmented reality filters are very popular in applications that use selfie images captured with smartphones or personal devices. However, they can distort or modify biometric features, severely affecting the capability of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Pontus Hedman , Vasilios Skepetzis , Kevin Hernandez-Diaz , Josef Bigun , Fernando Alonso-Fernandez

Iris recognition is a reliable personal identification method but there is still much room to improve its accuracy especially in less-constrained situations. For example, free movement of head pose may cause large rotation difference…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Min Ren , Caiyong Wang , Yunlong Wang , Zhenan Sun , Tieniu Tan

Diabetic retinopathy (DR) is the primary cause of vision loss among grownup people around the world. In four out of five cases having diabetes for a prolonged period leads to DR. If detected early, more than 90 percent of the new DR…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Niloy Sikder , Md. Sanaullah Chowdhury , Abu Shamim Mohammad Arif , Abdullah-Al Nahid

Fundus photography is a routine examination in clinics to diagnose and monitor ocular diseases. However, for cataract patients, the fundus image always suffers quality degradation caused by the clouding lens. The degradation prevents…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Heng Li , Haofeng Liu , Huazhu Fu , Hai Shu , Yitian Zhao , Xiaoling Luo , Yan Hu , Jiang Liu

One-to-many facial identification is documented to achieve high accuracy in the case where both the probe and the gallery are "mugshot quality" images. However, an increasing number of documented instances of wrongful arrest following…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Sicong Tian , Haiyu Wu , Michael C. King , Kevin W. Bowyer

Object recognition technologies hold the potential to support blind and low-vision people in navigating the world around them. However, the gap between benchmark performances and practical usability remains a significant challenge. This…

Human-Computer Interaction · Computer Science 2024-08-07 Jonggi Hong , Hernisa Kacorri

Existing frameworks for image stitching often provide visually reasonable stitchings. However, they suffer from blurry artifacts and disparities in illumination, depth level, etc. Although the recent learning-based stitchings relax such…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Minsu Kim , Jaewon Lee , Byeonghun Lee , Sunghoon Im , Kyong Hwan Jin

Human-AI collaboration to identify and correct perceptual errors in chest radiographs has not been previously explored. This study aimed to develop a collaborative AI system, CoRaX, which integrates eye gaze data and radiology reports to…

Image and Video Processing · Electrical Eng. & Systems 2024-07-01 Akash Awasthi , Ngan Le , Zhigang Deng , Carol C. Wu , Hien Van Nguyen

Diabetic Retinopathy (DR) is a leading cause of vision loss in the world,. In the past few Diabetic Retinopathy (DR) is a leading cause of vision loss in the world. In the past few years, Artificial Intelligence (AI) based approaches have…

Image and Video Processing · Electrical Eng. & Systems 2021-07-02 Vasudevan Lakshminarayanan , Hoda Kherdfallah , Arya Sarkar , J. Jothi Balaji

In human and hand pose estimation, heatmaps are a crucial intermediate representation for a body or hand keypoint. Two popular methods to decode the heatmap into a final joint coordinate are via an argmax, as done in heatmap detection, or…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Kerui Gu , Linlin Yang , Michael Bi Mi , Angela Yao

Causal effect estimation under observational studies is challenging due to the lack of ground truth data and treatment assignment bias. Though various methods exist in literature for addressing this problem, most of them ignore…

Artificial Intelligence · Computer Science 2024-12-11 Abhinav Thorat , Ravi Kolla , Niranjan Pedanekar

Performance of blind image quality assessment (BIQA) models has been significantly boosted by end-to-end optimization of feature engineering and quality regression. Nevertheless, due to the distributional shift between images simulated in…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Weixia Zhang , Kede Ma , Guangtao Zhai , Xiaokang Yang

We explore varying face recognition accuracy across demographic groups as a phenomenon partly caused by differences in face illumination. We observe that for a common operational scenario with controlled image acquisition, there is a large…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Haiyu Wu , Vítor Albiero , K. S. Krishnapriya , Michael C. King , Kevin W. Bowyer

Iris Recognition (IR) is one of the market's most reliable and accurate biometric systems. Today, it is challenging to build NIR-capturing devices under the premise of hardware price reduction. Commercial NIR sensors are protected from…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Daniel P. Benalcazar , Juan E. Tapia , Mauricio Vasquez , Leonardo Causa , Enrique Lopez Droguett , Christoph Busch

Recent developments in hardware, computer graphics, and AI may soon enable AR/VR head-mounted displays (HMDs) to become everyday devices like smartphones and tablets. Eye trackers within HMDs provide a special opportunity for such setups as…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Mengdi Wang , Efe Bozkir , Enkelejda Kasneci

The iris pattern has significantly improved the biometric recognition field due to its high level of stability and uniqueness. Such physical feature has played an important role in security and other related areas. However, presentation…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Gabriela Y. Kimura , Diego R. Lucio , Alceu S. Britto , David Menotti

Background/Objectives: Age-related macular degeneration, glaucoma, diabetic retinopathy (DR), diabetic macular edema, and pathological myopia affect hundreds of millions of people worldwide. Early screening for these diseases is essential,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-18 Ananya Raghu , Anisha Raghu , Alice S. Tang , Yannis M. Paulus , Tyson N. Kim , Tomiko T. Oskotsky

Background: The worst outcomes of diabetic retinopathy (DR) can be prevented by implementing DR screening programs assisted by AI. At the University Hospital of Navarre (HUN), Spain, general practitioners (GPs) grade fundus images in an…

Image and Video Processing · Electrical Eng. & Systems 2024-12-20 Imanol Pinto , Álvaro Olazarán , David Jurío , Borja de la Osa , Miguel Sainz , Aritz Oscoz , Jerónimo Ballaz , Javier Gorricho , Mikel Galar , José Andonegui

Rare genetic disorders affect more than 6% of the global population. Reaching a diagnosis is challenging because rare disorders are very diverse. Many disorders have recognizable facial features that are hints for clinicians to diagnose…

Computer Vision and Pattern Recognition · Computer Science 2023-02-27 Alexander Hustinx , Fabio Hellmann , Ömer Sümer , Behnam Javanmardi , Elisabeth André , Peter Krawitz , Tzung-Chien Hsieh

Many people are affected by diabetes around the world. This disease may have type 1 and 2. Diabetes brings with it several complications including diabetic retinopathy, which is a disease that if not treated correctly can lead to…

Image and Video Processing · Electrical Eng. & Systems 2020-01-17 Gilberto Luis De Conto Junior