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High resolution optical endoscopes are increasingly used in diagnosis of various medical conditions of internal organs, such as the gastrointestinal tracts, but they are too expensive for use in resource-poor settings. On the other hand,…

Optics · Physics 2016-03-08 Xiangqian Hong , Vivek K. Nagarajan , Dale H. Mugler , Bing Yu

In this paper we introduce a proposal to provide students in labs with an alternative to the traditional visible range spectrophotometers, whose acquisition and maintenance entails high costs, based on smartphones. Our solution faced two…

Human-Computer Interaction · Computer Science 2023-12-14 Carlos Balado Sánchez , Rebeca P. Díaz Redondo , Ana Fernández Vilas , Angel M. Sánchez Bermúdez

Continuous, ubiquitous monitoring through wearable sensors has the potential to collect useful information about users' context. Heart rate is an important physiologic measure used in a wide variety of applications, such as fitness tracking…

Machine Learning · Computer Science 2019-12-20 Nutta Homdee , Mehdi Boukhechba , Yixue W. Feng , Natalie Kramer , John Lach , Laura E. Barnes

Mindfulness training is widely recognized for its benefits in reducing depression, anxiety, and loneliness. With the rise of smartphone-based mindfulness apps, digital meditation has become more accessible, but sustaining long-term user…

Studies have shown pulse oximeter measurements of blood oxygenation have statistical bias that is a function of race, which results in higher rates of occult hypoxemia, i.e., missed detection of dangerously low oxygenation, in patients of…

Signal Processing · Electrical Eng. & Systems 2022-10-12 Neal Patwari , Di Huang , Kiki Bonetta-Misteli

With the increasing use of smartphones in our daily lives, these devices have become capable of performing many complex tasks. Concerning the need for continuous monitoring of vital signs, especially for the elderly or those with certain…

Signal Processing · Electrical Eng. & Systems 2024-03-29 Taha Samavati , Mahdi Farvardin , Aboozar Ghaffari

Anemia is a global health concern, prompting the need for rapid and accurate diagnostic tools, especially for vulnerable populations. Estimating the blood lysis level (LL) and oxygen saturation (SO2) are essential not only for anemia but…

Medical Physics · Physics 2025-09-03 Subhadip Paul , Hari Shankar Patel , Vatsala Misra , Ravi Rani , Amaresh K. Sahoo , Ratan K. Saha

While the pathophysiology underlying the COVID-19 infection remains incompletely understood, there is growing evidence to indicate that it is closely correlated to hypercoagulation among severely ill patients. Doctors may choose for use…

The recent outbreak of SARS COV-2 gave us a unique opportunity to study for a non interventional and sustainable AI solution. Lung disease remains a major healthcare challenge with high morbidity and mortality worldwide. The predominant…

Image and Video Processing · Electrical Eng. & Systems 2021-01-14 Razib Mustafiz , Khaled Mohsin

Smartphone-based measurement platforms can collect data on human sensory function in an accessible manner. We developed a smartphone app that measures vibration perception thresholds by commanding vibrations with varying amplitudes and…

Background: Physiological tremor is defined as an involuntary and rhythmic shaking. Tremor of the hand is a key symptom of multiple neurological diseases, and its frequency and amplitude differs according to both disease type and disease…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 James Bungay , Osasenaga Emokpae , Samuel D. Relton , Jane Alty , Stefan Williams , Hui Fang , David C. Wong

Classification of cognitive workload promises immense benefit in diverse areas ranging from driver safety to augmenting human capability through closed loop brain computer interface. The brain is the most metabolically active organ in the…

Signal Processing · Electrical Eng. & Systems 2022-10-07 Harry J. Davies , Ian Williams , Ghena Hammour , Metin Yarici , Barry M. Seemungal , Danilo P. Mandic

Obstructive Sleep Apnea-Hypopnea Syndrome (OSAHS) is a sleep-related breathing disorder associated with significant morbidity and mortality worldwide. The gold standard for OSAHS diagnosis, polysomnography (PSG), faces challenges in…

Signal Processing · Electrical Eng. & Systems 2025-04-28 Wei Wang , Chenyang Li , Zhaoxi Chen , Wenyu Zhang , Zetao Wang , Xi Guo , Jian Guan , Gang Li

Smartphone is the superstar product in digital device market and the quality of smartphone camera photos (SCPs) is becoming one of the dominant considerations when consumers purchase smartphones. How to evaluate the quality of smartphone…

Image and Video Processing · Electrical Eng. & Systems 2020-03-04 Wenhan Zhu , Guangtao Zhai , Zongxi Han , Xiongkuo Min , Tao Wang , Zicheng Zhang , Xiaokang Yang

Objectives: The article provides an overview of current trends in personal sensor, signal and imaging informatics, that are based on emerging mobile computing and communications technologies enclosed in a smartphone and enabling the…

Computers and Society · Computer Science 2014-06-06 Katarzyna Wac

Objectives: Medication non-adherence is an important factor in clinical practice and research methodology. There have been many methods of measuring adherence yet no recognized standard for adherence. Here we conduct a software study of the…

Computers and Society · Computer Science 2020-04-27 david Prokop , Joseph Babigumira , Ashleigh Lewis

Background: Mobile phone sensor technology has great potential in providing behavioral markers of mental health. However, this promise has not yet been brought to fruition. Objective: The objective of our study was to examine challenges…

Computers and Society · Computer Science 2018-08-01 Tjeerd W Boonstra , Jennifer Nicholas , Quincy JJ Wong , Frances Shaw , Samuel Townsend , Helen Christensen

Respiratory illnesses are a significant global health burden. Respiratory illnesses, primarily Chronic obstructive pulmonary disease (COPD), is the seventh leading cause of poor health worldwide and the third leading cause of death…

Machine Learning · Computer Science 2024-10-31 Ankita Kumari Jain , Nitish Sharma , Madhav Kanda , Nipun Batra

Clinical characterization and interpretation of respiratory sound symptoms have remained a challenge due to the similarities in the audio properties that manifest during auscultation in medical diagnosis. The misinterpretation and…

Systems and Control · Electrical Eng. & Systems 2021-10-18 Chinazunwa Uwaoma , Gunjan Mansingh

We present a dataset of 1000 video sequences of human portraits recorded in real and uncontrolled conditions by using a handheld smartphone accompanied by an external high-quality depth camera. The collected dataset contains 200 people…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Anastasiia Kornilova , Marsel Faizullin , Konstantin Pakulev , Andrey Sadkov , Denis Kukushkin , Azat Akhmetyanov , Timur Akhtyamov , Hekmat Taherinejad , Gonzalo Ferrer
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