N. Ravichandran
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View article: Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends
Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends Open
Non‐contact, high‐resolution imaging is critical in modern industrial environments, where complex and multilayered structures demand precise inspection without disrupting production. Optical coherence tomography (OCT), a non‐destructive, d…
View article: Optical Coherence Imaging Hybridized Deep Learning Framework for Automated Plant Bud Classification in Emasculation Processes: A Pilot Study
Optical Coherence Imaging Hybridized Deep Learning Framework for Automated Plant Bud Classification in Emasculation Processes: A Pilot Study Open
A vision-based autonomous system for emasculating okra enhances agriculture by enabling precise flower bud identification, overcoming the labor-intensive, error-prone challenges of traditional manual methods with improved accuracy and effi…
View article: Electromagnetic Continuously Variable Transmission (EMCVT) System for Precision Torque Control in Human-Centered Robotic Applications
Electromagnetic Continuously Variable Transmission (EMCVT) System for Precision Torque Control in Human-Centered Robotic Applications Open
In human-centered robotic applications, safety, efficiency, and adaptability are critical for enabling effective interaction and performance. Incorporating electromagnetic continuously variable transmission (EM-CVT) systems into robotic de…
View article: Overview of photon-counted three-dimensional imaging and related applications
Overview of photon-counted three-dimensional imaging and related applications Open
Due to its detailed spatial mapping capability, three-dimensional (3D) imaging has became an indispensable tool for numerous scientific applications, including medical diagnostics, industrial inspection, autonomous navigation, environmenta…
View article: Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography
Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography Open
The current study aimed to quantify the length progression of enamel microcracks (EMCs) after debonding metal and ceramic brackets, implementing OCT as a diagnostic tool. The secondary objectives included a three-dimensional assessment of …
View article: United Way of Baroda: Enabling Charity by World’s Largest Dancing Festival
United Way of Baroda: Enabling Charity by World’s Largest Dancing Festival Open
This article describes the context, content and management of a cultural festival organized by United Way of Baroda (UWB) an affiliate of United Way, a reputed charitable organization in the USA. This paper discusses the operational challe…
View article: Early-Stage Prototype Assessment of Cost-Effective Non-Intrusive Wearable Device for Instant Home Fetal Movement and Distress Detection: A Pilot Study
Early-Stage Prototype Assessment of Cost-Effective Non-Intrusive Wearable Device for Instant Home Fetal Movement and Distress Detection: A Pilot Study Open
Clinical fetal monitoring devices can only be operated by medical professionals and are overly costly, prone to detrimental false positives, and emit radiation. Thus, highly accurate, easily accessible, simplified, and cost-effective fetal…
View article: Monitoring of three-dimensional live-cell cultures using a multimode, multiscale imaging system combining confocal fluorescence microscopy and optical coherence microscopy
Monitoring of three-dimensional live-cell cultures using a multimode, multiscale imaging system combining confocal fluorescence microscopy and optical coherence microscopy Open
Live-cell monitoring involves long-term observation and analysis of living cells in tissue cultures, which develop cells or tissues in an artificial environment and are essential for tissue engineering. Fluorescence microscopy (FM) is wide…
View article: Growing Trend to Adopt Speckle Variance Optical Coherence Tomography for Biological Tissue Assessments in Pre-Clinical Applications
Growing Trend to Adopt Speckle Variance Optical Coherence Tomography for Biological Tissue Assessments in Pre-Clinical Applications Open
Speckle patterns are a generic feature in coherent imaging techniques like optical coherence tomography (OCT). Although speckles are granular like noise texture, which degrades the image, they carry information that can be benefited by pro…
View article: Managing Social Organizations: Experiences and Challenges
Managing Social Organizations: Experiences and Challenges Open
The colloquium presents multiple perspectives on managing social organizations. Social organizations have emerged from not-for-profit organizations. They meet an important unfulfilled need of collective societal good. Some social organizat…
View article: Recent Technological Progress of Fiber-Optical Sensors for Bio-Mechatronics Applications
Recent Technological Progress of Fiber-Optical Sensors for Bio-Mechatronics Applications Open
Bio-mechatronics is an interdisciplinary scientific field that emphasizes the integration of biology and mechatronics to discover innovative solutions for numerous biomedical applications. The broad application spectrum of bio-mechatronics…
View article: OP0081 PREVALENCE, CHARACTERISTICS, AND PREDICTORS OF BREAKTHROUGH COVID-19 INFECTIONS IN PATIENTS WITH RHEUMATOID ARTHRITIS: DATA FROM THE COVID-19 VACCINATION IN AUTOIMMUNE DISEASE (COVAD) STUDY
OP0081 PREVALENCE, CHARACTERISTICS, AND PREDICTORS OF BREAKTHROUGH COVID-19 INFECTIONS IN PATIENTS WITH RHEUMATOID ARTHRITIS: DATA FROM THE COVID-19 VACCINATION IN AUTOIMMUNE DISEASE (COVAD) STUDY Open
Background Global data on COVID-19 breakthrough infections (BI) following COVID-19 vaccination among autoimmune rheumatic diseases (AIRDs) and especially rheumatoid arthritis (RA) is scarce. Objectives This study aimed to examine the chara…
View article: POS1506 IDENTIFYING DETERMINANTS OF FAVOURABLE AND POOR PHYSICAL FUNCTION IN SYSTEMIC LUPUS ERYTHEMATOSUS: RESULTS FROM AN INTERNATIONAL COLLABORATIVE STUDY
POS1506 IDENTIFYING DETERMINANTS OF FAVOURABLE AND POOR PHYSICAL FUNCTION IN SYSTEMIC LUPUS ERYTHEMATOSUS: RESULTS FROM AN INTERNATIONAL COLLABORATIVE STUDY Open
Background Systemic lupus erythematosus (SLE) can result in impaired daily physical function through various mechanisms including active disease, chronic damage, and mental health symptoms that are common in the disease. However, the key d…
View article: AB1312 MYOSITIS PATIENTS WITHOUT AUTOIMMUNE MULTIMORBIDITY AT LOWER RISK OF DELAYED ONSET COVID-19 VACCINE ADVERSE EVENTS THAN OTHER AUTOIMMUNE DISEASES: RESULTS FROM THE COVAD STUDY
AB1312 MYOSITIS PATIENTS WITHOUT AUTOIMMUNE MULTIMORBIDITY AT LOWER RISK OF DELAYED ONSET COVID-19 VACCINE ADVERSE EVENTS THAN OTHER AUTOIMMUNE DISEASES: RESULTS FROM THE COVAD STUDY Open
Background Limited data on the delayed onset effects of COVID-19 vaccination in patients with idiopathic inflammatory myopathies (IIMs) continues to be a significant cause of hesitancy in this vulnerable group. Objectives To analyze the de…
View article: Label-free photothermal optical coherence microscopy to locate desired regions of interest in multiphoton imaging of volumetric specimens
Label-free photothermal optical coherence microscopy to locate desired regions of interest in multiphoton imaging of volumetric specimens Open
Biochip-based research is currently evolving into a three-dimensional and large-scale basis similar to the in vivo microenvironment. For the long-term live and high-resolution imaging in these specimens, nonlinear microscopy capable of lab…
View article: Spectrally encoded dual-mode interferometry with orthogonal scanning
Spectrally encoded dual-mode interferometry with orthogonal scanning Open
Spectrally encoded confocal microscopy (SECM) is a high-speed reflectance confocal microscopy technique. Here, we present a method to integrate optical coherence tomography (OCT) and SECM for complementary imaging by adding orthogonal scan…
View article: On-field optical imaging data for the pre-identification and estimation of leaf deformities
On-field optical imaging data for the pre-identification and estimation of leaf deformities Open
Visually nonidentifiable pathological symptoms at an early stage are a major limitation in agricultural plantations. Thickness reduction in palisade parenchyma (PP) and spongy parenchyma (SP) layers is one of the most common symptoms that …
View article: Optical signal intensity incorporated rice seed cultivar classification using optical coherence tomography
Optical signal intensity incorporated rice seed cultivar classification using optical coherence tomography Open
Here, the optical signal intensity of swept-source optical coherence tomography (SS-OCT) was incorporated to assess the images of different rice seeds for precise cultivar classification. Such classification is essential from various agric…
View article: The Future of Online Learning: An Outlook Based on Recent Worldwide Pandemic Experience
The Future of Online Learning: An Outlook Based on Recent Worldwide Pandemic Experience Open
The stagnating pandemic shook the world with rising deleterious effects. It has changed the life of people. It triggered some fundamental changes to several segments of the population and multiple sectors of the economy. The education syst…