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Accurate reconstruction of ambient temperature at death scenes is crucial for estimating the postmortem interval (PMI) in forensic science. Typically, this is done by correcting weather station temperatures using measurements from the…

Applications · Statistics 2024-09-17 Jędrzej Wydra , Łukasz Smaga , Szymon Matuszewski

A new high-precision eye-tracking method has been demonstrated recently by tracking the motion of iris features rather than by exploiting pupil edges. While the method provides high precision, it suffers from temporal drift, an inability to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Aayush K. Chaudhary , Jeff B. Pelz

We explore the task of recognizing peoples' identities in photo albums in an unconstrained setting. To facilitate this, we introduce the new People In Photo Albums (PIPA) dataset, consisting of over 60000 instances of 2000 individuals…

Computer Vision and Pattern Recognition · Computer Science 2015-02-02 Ning Zhang , Manohar Paluri , Yaniv Taigman , Rob Fergus , Lubomir Bourdev

Stroke is the second leading cause of mortality worldwide. Immediate attention and diagnosis play a crucial role regarding patient prognosis. The key to diagnosis consists in localizing and delineating brain lesions. Standard stroke…

Image and Video Processing · Electrical Eng. & Systems 2024-09-05 Santiago Gómez , Daniel Mantilla , Gustavo Garzón , Edgar Rangel , Andrés Ortiz , Franklin Sierra-Jerez , Fabio Martínez

Smartphone-based iris recognition in the visible spectrum (VIS) remains difficult due to illumination variability, pigmentation differences, and the absence of standardized capture controls. This work presents a compact end-to-end pipeline…

Image and Video Processing · Electrical Eng. & Systems 2026-02-23 Naveenkumar G Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

In this paper, we present a texture aware lightweight deep learning framework for iris recognition. Our contributions are primarily three fold. Firstly, to address the dearth of labelled iris data, we propose a reconstruction loss guided…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Manashi Chakraborty , Mayukh Roy , Prabir Kumar Biswas , Pabitra Mitra

Paralytic Ileus (PI) patients are at high risk of death when admitted to the Intensive care unit (ICU), with mortality as high as 40\%. There is minimal research concerning PI patient mortality prediction. There is a need for more accurate…

Machine Learning · Computer Science 2021-08-04 Maryam Pishgar , Martha Razo , Julian Theis , Houshang Darabi

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

The adoption of large-scale iris recognition systems around the world has brought to light the importance of detecting presentation attack images (textured contact lenses and printouts). This work presents a new approach in iris…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Andrey Kuehlkamp , Allan Pinto , Anderson Rocha , Kevin Bowyer , Adam Czajka

The analysis of neural representation has become an integral part of research aiming to better understand the inner workings of neural networks. While there are many different approaches to investigate neural representations, an important…

Machine Learning · Computer Science 2026-04-23 Rickmer Schulte , David Rügamer

Forensic science often involves the comparison of crime-scene evidence to a known-source sample to determine if the evidence and the reference sample came from the same source. Even as forensic analysis tools become increasingly objective…

Applications · Statistics 2019-10-17 Amanda Luby , Anjali Mazumder , Brian Junker

Smartphone-based iris recognition in the visible spectrum (VIS) offers a low-cost and accessible biometric alternative but remains a challenge due to lighting variability, pigmentation effects, and the limited adoption of standardized…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Naveenkumar G. Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H. Imtiaz

Intelligent video-surveillance (IVS) is currently an active research field in computer vision and machine learning and provides useful tools for surveillance operators and forensic video investigators. Person re-identification (PReID) is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Bahram Lavi , Ihsan Ullah , Mehdi Fatan , Anderson Rocha

Post-intensive care syndrome (PICS) is a multifaceted condition that arises from prolonged stays in an intensive care unit (ICU). While preventing PICS among ICU patients is becoming increasingly important, interventions remain limited.…

Human-Computer Interaction · Computer Science 2025-02-17 Bereket A. Yilma , Chan Mi Kim , Geke Ludden , Thomas van Rompay , Luis A. Leiva

We introduce intra-class memorability, where certain images within the same class are more memorable than others despite shared category characteristics. To investigate what features make one object instance more memorable than others, we…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Jie Jing , Yongjian Huang , Serena J. -W. Wang , Shuangpeng Han , Lucia Schiatti , Yen-Ling Kuo , Qing Lin , Mengmi Zhang

Brain-computer interface (BCI) technologies have been widely used in many areas. In particular, non-invasive technologies such as electroencephalography (EEG) or near-infrared spectroscopy (NIRS) have been used to detect motor imagery,…

Human-Computer Interaction · Computer Science 2020-04-28 Zhe Sun , Zihao Huang , Feng Duan , Yu Liu

Automatic face recognition is a research area with high popularity. Many different face recognition algorithms have been proposed in the last thirty years of intensive research in the field. With the popularity of deep learning and its…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Tiago de Freitas Pereira , Dominic Schmidli , Yu Linghu , Xinyi Zhang , Sébastien Marcel , Manuel Günther

Medical image enhancement is crucial for improving the quality and interpretability of diagnostic images, ultimately supporting early detection, accurate diagnosis, and effective treatment planning. Despite advancements in imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Chun Wai Chin , Haniza Yazid , Hoi Leong Lee

Accelerating Magnetic Resonance Imaging (MRI) reduces scan time but often degrades image quality. While Implicit Neural Representations (INRs) show promise for MRI reconstruction, they struggle at high acceleration factors due to weak prior…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Ziad Al-Haj Hemidi , Eytan Kats , Mattias P. Heinrich