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Mid-infrared photothermal microscopy is a highly promising imaging technique that enables spatially resolved vibrational fingerprinting. The combination of infrared induced heating with optical readout at visible wavelengths provides…

Optics · Physics 2025-08-05 Dennis van de Lockand , Daan Wolters , Matz Liebel

Temperature field contactless measurements in or at the surfaces of semitransparent media are a scientific challenge, as classical thermography techniques based on proper material emission cannot be used. In this work, an alternative method…

The article analyzes the use of thermal imaging technologies for biometric identification based on facial thermograms. It presents a comparative analysis of infrared spectral ranges (NIR, SWIR, MWIR, and LWIR). The paper also defines key…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Elizaveta Prozorova , Anton Konev , Vladimir Faerman

Hand segmentation and fingertip detection play an indispensable role in hand gesture-based human-machine interaction systems. In this study, we propose a method to discriminate hand components and to locate fingertips in RGB-D images. The…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Duong Hai Nguyen , Tai Nhu Do , In-Seop Na , Soo-Hyung Kim

Measurements of surface temperature fields are used to determine the heat transfer by conduction and convection from an inhomogeneously heated metallic tube into environment. For most of the here reported measurements we use a low-cost…

Applied Physics · Physics 2019-09-05 Samuel Jankových , Peter Bokes

Transparent objects are common in daily life, while their optical properties pose challenges for RGB-D cameras to capture accurate depth information. This issue is further amplified when these objects are hand-held, as hand occlusions…

Robotics · Computer Science 2024-09-17 Ran Yu , Haixin Yu , Shoujie Li , Huang Yan , Ziwu Song , Wenbo Ding

Integrated healthcare systems require the transmission of medical images between medical centers. The presence of watermarks in such images has become important for patient privacy protection. However, some important issues should be…

Cryptography and Security · Computer Science 2021-10-19 Ahmed Nagm , Mohammed Safy

Diet is an important aspect of our health. Good dietary habits can contribute to the prevention of many diseases and improve the overall quality of life. To better understand the relationship between diet and health, image-based dietary…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Yue Han , Sri Kalyan Yarlagadda , Tonmoy Ghosh , Fengqing Zhu , Edward Sazonov , Edward J. Delp

We focus on the problem of estimating human hand-tremor frequency from input RGB video data. Estimating tremors from video is important for non-invasive monitoring, analyzing and diagnosing patients suffering from motor-disorders such as…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Silvia L. Pintea , Jian Zheng , Xilin Li , Paulina J. M. Bank , Jacobus J. van Hilten , Jan C. van Gemert

Fire is considered one of the most serious threats to human lives which results in a high probability of fatalities. Those severe consequences stem from the heavy smoke emitted from a fire that mostly restricts the visibility of escaping…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Truong-Dong Do , Nghe-Nhan Truong , My-Ha Le

Blood oxygen saturation (SpO2) is a crucial vital sign routinely monitored in medical settings. Traditional methods require dedicated contact sensors, limiting accessibility and comfort. This study presents a deep learning framework for…

Computational Engineering, Finance, and Science · Computer Science 2025-03-04 Jiankai Tang , Xin Liu , Daniel McDuff , Zhang Jiang , Hongming Hu , Luxi Zhou , Nodoka Nagao , Haruta Suzuki , Yuki Nagahama , Wei Li , Linhong Ji , Yuanchun Shi , Izumi Nishidate , Yuntao Wang

This paper proposes a technique to assess the aesthetic quality of photographs. The goal of the study is to predict whether a given photograph is captured by professional photographers, or by common people, based on a measurement of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Ashish Verma , Kranthi Koukuntla , Rohit Varma , Snehasis Mukherjee

There are six, well-structured hand gestures for washing hands as provided by World Health Organisation guidelines. In this paper, hand features such as contours of the hands, the centroid of the hands, and extreme hand points along the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Rashmi Bakshi

We present a simple method for fast and cheap thermal analysis on supercooled glass-forming liquids. This "Thermalization Calorimetry" technique is based on monitoring the temperature and its rate of change during heating or cooling of a…

Multimodal tactile sensing could potentially enable robots to improve their performance at manipulation tasks by rapidly discriminating between task-relevant objects. Data-driven approaches to this tactile perception problem show promise,…

Robotics · Computer Science 2015-11-13 Joshua Wade , Tapomayukh Bhattacharjee , Charles C. Kemp

In the midst of rising positive cases of COVID-19, the hospitals face a newfound difficulty to prioritize on their patients and accommodate them. Moreover, crowding of patients at hospitals pose a threat to the healthcare workers and other…

Human-Computer Interaction · Computer Science 2020-07-03 Jithin Sunny , Joel Jogy , Rohan Rout , Rakshit Naidu

Continuous ambulatory monitoring of peripheral vascular perfusion could enable earlier detection of vascular dysfunction in individuals with diabetes mellitus and more timely management of cardiovascular disease. Clinical imaging modalities…

The temperature-dependent photoluminescence of perovskite quantum dots (CsPbBr3) in the visible band, is analyzed to evaluate their suitability for use in thermometry. A differential measurement of the photoluminescence can be used to…

This paper proposes a visual-servoing method dedicated to grasping of daily-life objects. In order to obtain an affordable solution, we use a low-accurate robotic arm. Our method corrects errors by using an RGB-D sensor. It is based on SURF…

Robotics · Computer Science 2016-12-13 Ludovic Hofer , Michio Tanaka , Hakaru Tamukoh , Amir Ali Forough Nassiraei , Takashi Morie

Thispaper presents the design and realization of a context-aware wireless health monitoring system for recording the heartbeat (HR) and respiration (RR) rate based on an indirect measurement approach. The system consists of a contact-less…

Human-Computer Interaction · Computer Science 2019-07-22 Amir Javadpour , HamidrezaMemarzadeh-Tehran