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Related papers: SegDenseNet: Iris Segmentation for Pre and Post Ca…

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Globally, cataract is a common eye disease and one of the leading causes of blindness and vision impairment. The traditional process of detecting cataracts involves eye examination using a slit-lamp microscope or ophthalmoscope by an…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Pavani Tripathi , Yasmeena Akhter , Mahapara Khurshid , Aditya Lakra , Rohit Keshari , Mayank Vatsa , Richa Singh

This chapter provides insight on how iris recognition, one of the leading biometric identification technologies in the world, can be impacted by pathologies and illnesses present in the eye, what are the possible repercussions of this…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Cataract surgery is one of the most commonly performed surgeries worldwide, yet intraoperative complications such as iris prolapse, posterior capsule rupture (PCR), and vitreous loss remain major causes of adverse outcomes. Automated…

Cataract surgery is a sight saving surgery that is performed over 10 million times each year around the world. With such a large demand, the ability to organize surgical wards and operating rooms efficiently is critical to delivery this…

Image and Video Processing · Electrical Eng. & Systems 2021-06-22 Andrés Marafioti , Michel Hayoz , Mathias Gallardo , Pablo Márquez Neila , Sebastian Wolf , Martin Zinkernagel , Raphael Sznitman

Video feedback provides a wealth of information about surgical procedures and is the main sensory cue for surgeons. Scene understanding is crucial to computer assisted interventions (CAI) and to post-operative analysis of the surgical…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Maria Grammatikopoulou , Evangello Flouty , Abdolrahim Kadkhodamohammadi , Gwenol'e Quellec , Andre Chow , Jean Nehme , Imanol Luengo , Danail Stoyanov

A critical complication after cataract surgery is the dislocation of the lens implant leading to vision deterioration and eye trauma. In order to reduce the risk of this complication, it is vital to discover the risk factors during the…

Image and Video Processing · Electrical Eng. & Systems 2021-07-05 Negin Ghamsarian , Mario Taschwer , Doris Putzgruber-Adamitsch , Stephanie Sarny , Yosuf El-Shabrawi , Klaus Schoeffmann

This paper presents the experimental study revealing weaker performance of the automatic iris recognition methods for cataract-affected eyes when compared to healthy eyes. There is little research on the topic, mostly incorporating scarce…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

In recent years, the landscape of computer-assisted interventions and post-operative surgical video analysis has been dramatically reshaped by deep-learning techniques, resulting in significant advancements in surgeons' skills, operation…

This paper presents a method for segmenting iris images obtained from the deceased subjects, by training a deep convolutional neural network (DCNN) designed for the purpose of semantic segmentation. Post-mortem iris recognition has recently…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Mateusz Trokielewicz , Adam Czajka

Our work proposes neural network design choices that set the state-of-the-art on a challenging public benchmark on cataract surgery, CaDIS. Our methodology achieves strong performance across three semantic segmentation tasks with…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Theodoros Pissas , Claudio Ravasio , Lyndon Da Cruz , Christos Bergeles

Cataracts are the leading cause of visual impairment and blindness globally. Over the years, researchers have achieved significant progress in developing state-of-the-art machine learning techniques for automatic cataract classification and…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Xiaoqing Zhang , Yan Hu , Zunjie Xiao , Jiansheng Fang , Risa Higashita , Jiang Liu

Semantic segmentation of surgical instruments plays a crucial role in robot-assisted surgery. However, accurate segmentation of cataract surgical instruments is still a challenge due to specular reflection and class imbalance issues. In…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Zhen-Liang Ni , Gui-Bin Bian , Xiao-Hu Zhou , Zeng-Guang Hou , Xiao-Liang Xie , Chen Wang , Yan-Jie Zhou , Rui-Qi Li , Zhen Li

With the immersive development in the field of augmented and virtual reality, accurate and speedy eye-tracking is required. Facebook Research has organized a challenge, named OpenEDS Semantic Segmentation challenge for per-pixel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Priya Kansal , Sabari Nathan

The extraction of consistent and identifiable features from an image of the human iris is known as iris recognition. Identifying which pixels belong to the iris, known as segmentation, is the first stage of iris recognition. Errors in…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Sohaib Ahmad , Benjamin Fuller

At present, cancer is one of the most important health issues in the world. Because early detection and appropriate treatment in cancer are very effective in the recovery and survival of patients, image processing as a diagnostic tool can…

Image and Video Processing · Electrical Eng. & Systems 2022-02-17 Reza Zare , Arash Pourkazemi

Iris segmentation and localization in non-cooperative environment is challenging due to illumination variations, long distances, moving subjects and limited user cooperation, etc. Traditional methods often suffer from poor performance when…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Caiyong Wang , Yuhao Zhu , Yunfan Liu , Ran He , Zhenan Sun

Retinal image plays a crucial role in diagnosing various diseases, as retinal structures provide essential diagnostic information. However, effectively capturing structural features while integrating them with contextual information from…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Xinwei Luo , Songlin Zhao , Yun Zong , Yong Chen , Gui-shuang Ying , Lifang He

Iris recognition is widely used in several fields such as mobile phones, financial transactions, identification cards, airport security, international border control, voter registration for living persons. However, the possibility of…

Image and Video Processing · Electrical Eng. & Systems 2024-08-08 Afzal Hossain , Tipu Sultan , Stephanie Schuckers

Breast cancer is the second leading cause of death for women in the U.S. Early detection of breast cancer is key to higher survival rates of breast cancer patients. We are investigating infrared (IR) thermography as a noninvasive adjunct to…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Ange Lou , Shuyue Guan , Nada Kamona , Murray Loew

With the increasing imaging and processing capabilities of today's mobile devices, user authentication using iris biometrics has become feasible. However, as the acquisition conditions become more unconstrained and as image quality is…

Image and Video Processing · Electrical Eng. & Systems 2018-07-04 Shabab Bazrafkan , Shejin Thavalengal , Peter Corcoran
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