keyword
https://read.qxmd.com/read/38535133/pedestrian-accessible-infrastructure-inventory-enabling-and-assessing-zero-shot-segmentation-on-multi-mode-geospatial-data-for-all-pedestrian-types
#1
JOURNAL ARTICLE
Jiahao Xia, Gavin Gong, Jiawei Liu, Zhigang Zhu, Hao Tang
In this paper, a Segment Anything Model (SAM)-based pedestrian infrastructure segmentation workflow is designed and optimized, which is capable of efficiently processing multi-sourced geospatial data, including LiDAR data and satellite imagery data. We used an expanded definition of pedestrian infrastructure inventory, which goes beyond the traditional transportation elements to include street furniture objects that are important for accessibility but are often omitted from the traditional definition. Our contributions lie in producing the necessary knowledge to answer the following three questions...
February 21, 2024: Journal of Imaging
https://read.qxmd.com/read/38531975/dimensionality-reduction-for-images-of-iot-using-machine-learning
#2
JOURNAL ARTICLE
Ibrahim Ali, Khaled Wassif, Hanaa Bayomi
Sensors, wearables, mobile devices, and other Internet of Things (IoT) devices are becoming increasingly integrated into all aspects of our lives. They are capable of gathering enormous amounts of data, such as image data, which can then be sent to the cloud for processing. However, this results in an increase in network traffic and latency. To overcome these difficulties, edge computing has been proposed as a paradigm for computing that brings processing closer to the location where data is produced. This paper explores the merging of cloud and edge computing for IoT and investigates approaches using machine learning for dimensionality reduction of images on the edge, employing the autoencoder deep learning-based approach and principal component analysis (PCA)...
March 26, 2024: Scientific Reports
https://read.qxmd.com/read/38530534/tibiofemoral-slip-velocity-in-total-knee-arthroplasty-is-design-invariant-but-activity-dependent
#3
JOURNAL ARTICLE
Shanyuanye Guan, Raphael Dumas, Marcus G Pandy
Tibiofemoral slip velocity is a key contributor to total knee arthroplasty (TKA) component wear, yet few studies have evaluated this quantity in vivo. The aim of the present study was to measure and compare tibiofemoral slip velocities in 3 TKA designs for a range of daily activities. Mobile biplane X-ray imaging was used to measure 6-degree-of-freedom tibiofemoral kinematics and the locations of articular contact in 75 patients implanted with a posterior-stabilized, cruciate-retaining, or medial-stabilized design while each patient performed level walking, step up, step down, sit-to-stand, and stand-to-sit...
March 26, 2024: Annals of Biomedical Engineering
https://read.qxmd.com/read/38528452/design-and-usability-evaluation-of-a-mobile-application-for-self-care-among-iranian-adolescents
#4
JOURNAL ARTICLE
Razieh Rezaee, Mohtasham Ghaffari, Reza Rabiei, Amir Kavousi, Sakineh Rakhshanderou
BACKGROUND: Mobile phones can be an ideal platform to engage adolescents to maintain, improve, and promote self-care. Therefore, the current study aims to design and evaluate the usability of a mobile application for self-care in adolescents with a user-centered approach. METHODS: The current applied developmental study was done in four steps. The first step, polling and examining opinions was conducted through in-depth semi-structured interviews, with the aim of user-centered mobile application design with the involvement of 30 participants...
March 25, 2024: BMC Public Health
https://read.qxmd.com/read/38527403/fast-real-time-monitoring-of-meat-freshness-based-on-fluorescent-sensing-array-and-deep-learning-from-development-to-deployment
#5
JOURNAL ARTICLE
Yuandong Lin, Ji Ma, Da-Wen Sun, Jun-Hu Cheng, Chenyue Zhou
A fluorescent sensor array (FSA) combined with deep learning (DL) techniques was developed for meat freshness real-time monitoring from development to deployment. The array was made up of copper metal nanoclusters (CuNCs) and fluorescent dyes, having a good ability in the quantitative and qualitative detection of ammonia, dimethylamine, and trimethylamine gases with a low limit of detection (as low as 131.56 ppb) in range of 5 ∼ 1000 ppm and visually monitoring the freshness of various meats stored at 4 °C...
March 21, 2024: Food Chemistry
https://read.qxmd.com/read/38527337/imageassist-a-novel-smartphone-application-for-standardized-clinical-photography-that-implements-and-automates-american-society-of-plastic-surgery-plastic-surgery-foundation-photographic-guidelines-with-background-deletion
#6
JOURNAL ARTICLE
Michael S Golinko, Odette Abou-Ghanem, Michael Simard, Mike Caudill, Matthew E Pontell, Nick O'Sick, Brandon Oglesby, Mark Arrieta
STATEMENT OF THE PROBLEM: Standardized medical photography of the face is a vital part of patient documentation, clinical evaluation, and scholarly dissemination. Because digital photography is a mainstay in clinical care, there is a critical need for an easy-to-use mobile device application that could assist users in taking a standardized clinical photograph. ImageAssist was developed to answer this need. The mobile application is integrated into the electronic medical record (EMR); it implements and automates American Society of Plastic Surgery/Plastic Surgery Research Foundation photographic guidelines with background deletion...
April 1, 2024: Annals of Plastic Surgery
https://read.qxmd.com/read/38526363/-a-case-of-right-heart-failure-when-it-is-not-pulmonary-embolism
#7
JOURNAL ARTICLE
Enrico Tadiello, Emma Zimelli, Giulia Urbani, Tommaso Hinna Danesi, Daniela Reghellin, Claudio Bilato
A 66-year-old patient with recent instrumental findings (echocardiogram, cardiac magnetic resonance imaging) of right ventricular failure was hospitalized due to worsening signs and symptoms of right heart failure, while waiting for diagnostic definition. Pulmonary computed tomography angiography revealed findings compatible with bilateral pulmonary thromboembolism involving the main pulmonary artery. Anticoagulant therapy was initiated with initial benefit, partial relief of symptoms, and moderate improvement in right ventricular function...
April 2024: Giornale Italiano di Cardiologia
https://read.qxmd.com/read/38525810/mass-spectrometry-imaging-protocol-for-spatial-mapping-of-lipids-n-glycans-and-peptides-in-murine-lung-tissue
#8
JOURNAL ARTICLE
Yuen T Ngai, Matthew T Briggs, Parul Mittal, Clifford Young, Emma Parkinson-Lawrence, Manuela Klingler-Hoffmann, Sandra Orgeig, Peter Hoffmann
RATIONALE: The application of matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) to murine lungs is challenging due to the spongy nature of the tissue. Lungs consist of interconnected air sacs (alveoli) lined by a single layer of flattened epithelial cells, which requires inflation to maintain its natural structure. Therefore, a protocol that is compatible with both lung instillation and high spatial resolution is essential to enable multi-omic studies on murine lung disease models using MALDI-MSI...
May 15, 2024: Rapid Communications in Mass Spectrometry: RCM
https://read.qxmd.com/read/38524966/hybrid-balloon-mitral-valvuloplasty-in-an-adult-dog-with-congenital-mitral-stenosis-and-left-atrial-thrombus
#9
Randolph L Winter, Katelyn C Hlusko, D Michael Tillson, Kara L Maneval, Claudia Serrano Ferrel, Meenakshi Rajeev, Douglas Castro
• Congenital MS is a rare cardiac disease in canines. • BMV may improve the mobility of stenotic mitral leaflets. • AF and LA thrombi may occur in congenital MS.
March 2024: CASE: Cardiovascular Imaging Case Reports
https://read.qxmd.com/read/38524029/assessment-of-the-practices-and-perspectives-of-healthcare-providers-towards-utilization-of-telemedicine-for-the-care-of-adult-patients-with-diabetes-mellitus-during-the-covid-19-pandemic-in-india
#10
JOURNAL ARTICLE
Shubham Atal, Sowrabha Bhat, Sayan Kumar Das, Rajnish Joshi, Aditi Pandit Kabde, Aishwarya Krishnamurthy, Tejal Lathia, Balakrishnan Sadasivam, Rukiya Surya Shaikh
Background and purpose The lockdowns and restrictions enforced periodically during the COVID-19 pandemic posed a serious challenge for non-COVID care, especially in diabetes where telediabetes, the utilization of telemedicine consultations for diabetic care, became more necessary than ever before. Although studies have shed light on the perception of patients, there is a paucity of studies from the perspective of healthcare providers, especially in an Indian context. Moving forward, it is imperative to understand the perspectives of telediabetes providers in this domain...
February 2024: Curēus
https://read.qxmd.com/read/38523575/mr-elastography-based-slip-interface-imaging-sii-for-functional-assessment-of-myofascial-interfaces-a-feasibility-study
#11
JOURNAL ARTICLE
Emi Hojo, Yi Sui, Xiang Shan, Keni Zheng, Phillip Rossman, Armando Manduca, Garret M Powell, Kai-Nan An, Kristin D Zhao, Brent A Bauer, Richard L Ehman, Ziying Yin
PURPOSE: Abnormal adherence at functional myofascial interfaces is hypothesized as an important phenomenon in myofascial pain syndrome. This study aimed to investigate the feasibility of MR elastography (MRE)-based slip interface imaging (SII) to visualize and assess myofascial mobility in healthy volunteers. METHODS: SII was used to assess local shear strain at functional myofascial interfaces in the flexor digitorum profundus (FDP) and thighs. In the FDP, MRE was performed at 90 Hz vibration to each index, middle, ring, and little finger...
March 25, 2024: Magnetic Resonance in Medicine
https://read.qxmd.com/read/38523567/alzheimer-s-disease-progression-detection-based-on-optical-fluence-rate-measurements-using-alternative-laser-wavelengths
#12
JOURNAL ARTICLE
Shimaa Mahdy, Hala S Abuelmakarem
Alzheimer's disease (AD) levels have increased globally, which is considered the sixth reason for deaths. So, a requirement exists for economic and quantitative methods to follow up the gradual progression of AD. The current study presents a simulation for a non-irradiated, safe, wearable, and noninvasive mobile approach for detecting the progression of Alzheimer's brain atrophy using the optical diffusion technique and for investigating the difference between the normal and the diseased brain. The virtual study was accomplished using COMSOL Multiphysics...
March 25, 2024: International Journal for Numerical Methods in Biomedical Engineering
https://read.qxmd.com/read/38521156/peripheral-vision-in-patients-following-intraocular-lens-implantation-a-systematic-review-and-meta-analysis-peripheral-vision-in-patients-following-iol-implantation
#13
REVIEW
Pablo Artal, Maria Arvaniti, Panaghiota Dimou, Costas Stavrinos, Harilaos Ginis, Lucía Hervella, José Luis Güell
PURPOSE: To revise the literature on peripheral optics and vision following intraocular lens (IOLs) implantation. METHODS: We investigated how current IOLs influence peripheral visual function, peripheral optical quality, and visual perception and performance, in patients following cataract surgery. Peripheral vision is described as vision outside the central foveal region of the eye (beyond 4-5° of eccentricity). We systematically searched PubMed, Cochrane Central Register of Controlled Trials, Embase, and grey literature for relevant references...
March 21, 2024: American Journal of Ophthalmology
https://read.qxmd.com/read/38520756/how-reliable-is-assessment-of-true-vocal-cord-arytenoid-unit-mobility-in-patients-affected-by-laryngeal-cancer-a-multi-institutional-study-on-366-patients-from-the-aryfix-collaborative-group
#14
JOURNAL ARTICLE
M Ferrari, F Mularoni, S Taboni, E Crosetti, C Pessina, A L C Carobbio, N Montalto, F Marchi, A Vural, A Paderno, S Caprioli, P Gaudioso, M Fermi, F Rigoni, T Saccardo, G Contro, A Ruaro, A Lo Manto, C Varago, M Baldovin, L Bandolin, M Filauro, C Sampieri, F Missale, A Ioppi, F Carta, M Ramanzin, M Ravanelli, V Maiolo, I Bertotto, F Del Bon, D Lancini, C Mariani, V Marrosu, M Tatti, S Cağlı, I Yüce, M Gündoğ, S Dogan, G Anile, C Gottardi, F Busato, A Vallin, F Gennarini, P Bossi, M G Ghi, M Lionello, E Zanoletti, G Marioni, R Maroldi, F Mattioli, R Puxeddu, A Bertolin, L Presutti, C Piazza, G Succo, G Peretti, P Nicolai
PURPOSE: In clinical practice the assessment of the "vocal cord-arytenoid unit" (VCAU) mobility is crucial in the staging, prognosis, and choice of treatment of laryngeal squamous cell carcinoma (LSCC). The aim of the present study was to measure repeatability and reliability of clinical assessment of VCAU mobility and radiologic analysis of posterior laryngeal extension. METHODS: In this multi-institutional retrospective study, patients with LSCC-induced impairment of VCAU mobility who received curative treatment were included; pre-treatment endoscopy and contrast-enhanced imaging were collected and evaluated by raters...
March 22, 2024: Oral Oncology
https://read.qxmd.com/read/38517028/imaging-mass-spectrometry-of-isotopically-resolved-intact-proteins-on-a-trapped-ion-mobility-quadrupole-time-of-flight-mass-spectrometer
#15
JOURNAL ARTICLE
Dustin R Klein, Emilio S Rivera, Richard M Caprioli, Jeffrey M Spraggins
In this work, we demonstrate rapid, high spatial, and high spectral resolution imaging of intact proteins by matrix-assisted laser desorption/ionization (MALDI) imaging mass spectrometry (IMS) on a hybrid quadrupole-reflectron time-of-flight (qTOF) mass spectrometer equipped with trapped ion mobility spectrometry (TIMS). Historically, untargeted MALDI IMS of proteins has been performed on TOF mass spectrometers. While advances in TOF instrumentation have enabled rapid, high spatial resolution IMS of intact proteins, TOF mass spectrometers generate relatively low-resolution mass spectra with limited mass accuracy...
March 22, 2024: Analytical Chemistry
https://read.qxmd.com/read/38516862/3-d-transesophageal-echocardiography-aids-in-assessment-of-embolic-stroke-due-to-aortic-atherosclerotic-plaque-a-case-series
#16
Songnan Wen, Tasneem Z Naqvi
Atherosclerosis is the most common cause of heart disease and stroke. Plaque thickness ≥4 mm in the ascending aorta or aortic arch is strongly correlated with cerebral embolic events and ischemic stroke. However, despite imaging workup, the cause of embolic stroke remains unidentified in many patients. Transesophageal echocardiography (TEE) is the preferred echocardiographic method for the evaluation of cardiac source of emboli. 2D TEE imaging evaluates aortic root and aortic arch in a single plane or two planes with biplane imaging...
March 2024: Echocardiography
https://read.qxmd.com/read/38513050/biocompatible-metal-free-perovskite-membranes-for-wearable-x-ray-detectors
#17
JOURNAL ARTICLE
Xinmei Liu, Qingyue Cui, Haojin Li, Shumei Wang, Qi Zhang, Wenliang Huang, Chou Liu, Weilun Cai, Telun Li, Zhou Yang, Chuang Ma, Lixia Ren, Shengzhong Frank Liu, Kui Zhao
Halide perovskites are emerging as promising materials for X-ray detection owing to their compatibility with flexible fabrication, cost-effective solution processing, and exceptional carrier transport behaviors. However, the challenge of removing lead from high-performing perovskites, crucial for wearable electronics, while retaining their superior performance, persists. Here, we present for the first time a highly sensitive and robust flexible X-ray detector utilizing a biocompatible, metal-free perovskite, MDABCO-NH4 I3 (MDABCO = methyl- N '-diazabicyclo[2...
March 21, 2024: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/38512958/mobility-analysis-of-a-posterior-sacrospinous-fixation-using-a-finite-element-model-of-the-pelvic-system
#18
JOURNAL ARTICLE
Marine Lallemant, Andres Arteaga Shimojyo, Olivier Mayeur, Rajeev Ramanah, Chrystèle Rubod, Yohan Kerbage, Michel Cosson
INTRODUCTION AND HYPOTHESIS: In order to improve the knowledge POP physiopathology and POP repair, a generic biomechanical model of the female pelvic system has been developed. In the literature, no study has currently evaluated apical prolapse repair by posterior sacrospinous ligament fixation using a generic model nor a patient-specific model that personalize the management of POP and predict surgical outcomes based on the patient's pre-operative Magnetic Resonance Imaging. The aim of our study was to analyze the influence of a right and/or left sacrospinous ligament fixation and the distance between the anchorage area and the ischial spine on the pelvic organ mobility using a generic and a patient-specific Finite Element model (FEM) of the female pelvic system during posterior sacrospinous ligament fixation (SSF)...
2024: PloS One
https://read.qxmd.com/read/38512016/motion-tracking-of-fish-and-bubble-clouds-in-synthetic-aperture-sonar-data
#19
JOURNAL ARTICLE
Timothy M Marston, Bernard R Hall, Christopher Bassett, Daniel S Plotnick, Autumn N Kidwell
Data captured by a Synthetic Aperture Sonar (SAS) near Mobile Bay during the 2021 Undersea Remote Sensing experiment funded by the Office of Naval Research reveals near surface bubble clouds from wave breaking events and a large aggregation of fish. Tools developed for using SAS data to image hydrodynamic features in the water column were applied to observations of the bubble clouds and fish aggregation. Combining imagery and height data captured by the sonar array with a detection and tracking algorithm enables the trajectories, velocities, and behavior of fish in the aggregation to be observed...
March 1, 2024: Journal of the Acoustical Society of America
https://read.qxmd.com/read/38509277/all-electrical-skyrmionic-magnetic-tunnel-junction
#20
JOURNAL ARTICLE
Shaohai Chen, James Lourembam, Pin Ho, Alexander K J Toh, Jifei Huang, Xiaoye Chen, Hang Khume Tan, Sherry L K Yap, Royston J J Lim, Hui Ru Tan, T S Suraj, May Inn Sim, Yeow Teck Toh, Idayu Lim, Nelson C B Lim, Jing Zhou, Hong Jing Chung, Sze Ter Lim, Anjan Soumyanarayanan
Topological whirls or 'textures' of spins such as magnetic skyrmions represent the smallest realizable emergent magnetic entities1-5 . They hold considerable promise as robust, nanometre-scale, mobile bits for sustainable computing6-8 . A longstanding roadblock to unleashing their potential is the absence of a device enabling deterministic electrical readout of individual spin textures9,10 . Here we present the wafer-scale realization of a nanoscale chiral magnetic tunnel junction (MTJ) hosting a single, ambient skyrmion...
March 2024: Nature
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