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Article
Publication date: 3 June 2021

Antonela Tommasel, Andrés Diaz-Pace, Juan Manuel Rodriguez and Daniela Godoy

The purpose of this paper is to present an approach for forecasting mental health conditions and emotions of a given population during the COVID-19 pandemic in Argentina…

Abstract

Purpose

The purpose of this paper is to present an approach for forecasting mental health conditions and emotions of a given population during the COVID-19 pandemic in Argentina based on social media contents.

Design/methodology/approach

Mental health conditions and emotions are captured via markers, which link social media contents with lexicons. First, the authors build time series models that describe the evolution of markers and their correlation with crisis events. Second, the authors use the time series for forecasting markers and identifying high prevalence points for the estimated markers.

Findings

The authors evaluated different forecasting strategies that yielded different performance and capabilities. In the best scenario, high prevalence periods of emotions and mental health issues can be satisfactorily predicted with a neural network strategy, even at early stages of a crisis (e.g. a training period of seven days).

Practical implications

This work contributes to a better understanding of how psychological processes related to crises manifest in social media, and this is a valuable asset for the design, implementation and monitoring of health prevention and communication policies.

Originality/value

Although there have been previous efforts to predict mental states of individuals, the analysis of mental health at the collective level has received scarce attention. The authors take a step forward by proposing a forecasting approach for analyzing the mental health of a given population at a larger scale.

Details

Information Discovery and Delivery, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2398-6247

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Article
Publication date: 10 November 2020

Clement Onime, James Uhomoibhi, Hui Wang and Mattia Santachiara

This paper presents a reclassification of markers for mixed reality environments that is also applicable to the use of markers in robot navigation systems and 3D…

Abstract

Purpose

This paper presents a reclassification of markers for mixed reality environments that is also applicable to the use of markers in robot navigation systems and 3D modelling. In the case of Augmented Reality (AR) mixed reality environments, markers are used to integrate computer generated (virtual) objects into a predominantly real world, while in Augmented Virtuality (AV) mixed reality environments, the goal is to integrate real objects into a predominantly virtual (computer generated) world. Apart from AR/AV classifications, mixed reality environments have also been classified by reality; output technology/display devices; immersiveness as well as by visibility of markers.

Design/methodology/approach

The approach adopted consists of presenting six existing classifications of mixed reality environments and then extending them to define new categories of abstract, blended, virtual augmented, active and smart markers. This is supported with results/examples taken from the joint Mixed Augmented and Virtual Reality Laboratory (MAVRLAB) of the Ulster University, Belfast, Northern Ireland; the Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy and Santasco SrL, Regio Emilia/Milan, Italy.

Findings

Existing classification of markers and mixed reality environments are mainly binary in nature and do not adequately capture the contextual relationship between markers and their use and application. The reclassification of markers into abstract, blended and virtual categories captures the context for simple use and applications while the categories of augmented, active and smart markers captures the relationship for enhanced or more complex use of markers. The new classifications are capable of improving the definitions of existing simple marker and markerless mixed reality environments as well as supporting more complex features within mixed reality environments such as co-location of objects, advanced interactivity, personalised user experience.

Research limitations/implications

It is thought that applications and devices in mixed reality environments when properly developed and deployed enhances the real environment by making invisible information visible to the user. The current work only marginally covers the use of internet of things (IoT) devices in mixed reality environments as well as potential implications for robot navigation systems and 3D modelling.

Practical implications

The use of these reclassifications enables researchers, developers and users of mixed reality environments to select and make informed decisions on best tools and environment for their respective application, while conveying information with additional clarity and accuracy. The development and application of more complex markers would contribute in no small measure to attaining greater advancements in extending current knowledge and developing applications to positively impact entertainment, business and health while minimizing costs and maximizing benefits.

Originality/value

The originality of this paper lies in the approach adopted in reclassifying markers. This is supported with results and work carried out at the MAV Reality Laboratory of Ulster University, Belfast–UK, the Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste-Italy and Santasco SrL, Regio Emilia, Milan–Italy. The value of present research lies in the definitions of new categories as well as the discussions of how they improve mixed reality environments and application especially in the health and education sectors.

Details

The International Journal of Information and Learning Technology, vol. 38 no. 1
Type: Research Article
ISSN: 2056-4880

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Article
Publication date: 17 May 2011

K. Dhanya, S. Syamkumar, S. Siju and B. Sasikumar

This study aims to treat the development and application of sequence characterised amplified region (SCAR) markers for the detection of plant based adulterants (dried red…

Abstract

Purpose

This study aims to treat the development and application of sequence characterised amplified region (SCAR) markers for the detection of plant based adulterants (dried red beet pulp and powdered Ziziphus nummularia fruits) in traded ground chilli.

Design/methodology/approach

Adulterant‐specific DNA fragments (red beet pulp specific – “Beet 01” and Z. nummularia specific – “Ziz 01”) identified by random amplified polymorphic DNA polymerase chain reaction (RAPD‐PCR) analysis were cloned and sequenced for SCAR marker development. Red beet pulp specific SCAR primer pair, B1, and Z. nummularia specific SCAR primer pair, Z1, were designed from the corresponding RAPD marker sequences to amplify SCAR markers of 320 bp and 389 bp, respectively. The utility of the SCAR markers for adulterant detection was verified in model blends of chilli powder with the adulterants. Six commercial samples of ground chilli powder were analysed using the SCAR markers.

Findings

SCAR markers could detect the adulterants at a concentration as low as 10 g adulterant kg−1 of blended sample. The Z. nummularia SCAR marker could detect the presence of Z. nummularia fruit adulteration in one of the commercial samples. All the market samples tested were free from red beet pulp adulteration.

Practical implications

The PCR‐based method developed in the study is simple, rapid, and sensitive and has the potential to be developed into a quantitative analytical method and for commercial PCR kits for the large‐scale screening of ground chilli to detect and prevent plant‐based adulterants. The work has public health significance too, as ground chilli is one of the major spices consumed worldwide.

Originality/value

The study is the first report on the development of SCAR markers for adulterant detection in ground chilli. This work has relevance, as adulteration is a major concern of the sanitary and phytosanitary issues of the World Trade Organization (WTO) agreement.

Details

British Food Journal, vol. 113 no. 5
Type: Research Article
ISSN: 0007-070X

Keywords

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Article
Publication date: 21 September 2015

Jing Chen and Quan Lu

The purpose of this paper is to propose a novel method to analyze Table of Contents (TOC) in Chinese books automatically based on the hierarchy organization rules which…

Abstract

Purpose

The purpose of this paper is to propose a novel method to analyze Table of Contents (TOC) in Chinese books automatically based on the hierarchy organization rules which gained by investigation.

Design/methodology/approach

This paper analyzed the main literature in this field first, then hierarchy organization rules of Chinese book TOC were generated and the method parsing TOC automatically based on these rules was proposed. A prototype system implementing the method was also developed. The method was evaluated through processing a corpus on the prototype system, and the results were checked with calculation of precision and recall.

Findings

The experiment result illustrated the superiority (extensive application, recall is 95.34 percent and precision is 94.44 percent) of the method.

Practical implications

The result can help Chinese libraries deal with electronic texts from four aspects. First, it can be used to complement or enhance current digitization and optical character recognition methods and cut the financial and labor cost of Chinese libraries. Second, it can help libraries to keep information on indexing words as well as chapters, sections and subsections in Chinese book databases, which ensures easy retrieval and extract any intended portion as demanded by user. Third, it helps to enrich the services and then enhances the user experiences in Chinese libraries. Fourth, it improves the specification and policy of digitalizing Chinese books.

Originality/value

The paper provided insight into the hierarchy organization of TOCs in Chinese books, the method based on the rules has extensive application than other methods. This method for Chinese book TOC automatic analysis is also as reference for English book TOC automatic analysis.

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Article
Publication date: 1 May 1997

Cathy Hands, Helmut H.A. Hergeth and Peyton Hudson

Describes the history of CAD systems as well as their benefits and costs for a clothing company. Presents and analyses results of a survey concerning the use of CAD…

Abstract

Describes the history of CAD systems as well as their benefits and costs for a clothing company. Presents and analyses results of a survey concerning the use of CAD systems for marker making in the clothing industry of the USA. Describes environmental and cost aspects of CAD marker making and makes recommendations for small clothing manufacturers.

Details

International Journal of Clothing Science and Technology, vol. 9 no. 2
Type: Research Article
ISSN: 0955-6222

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Article
Publication date: 1 April 1991

Charlotte Jacobs‐Blecha and William Riall

Reports the results of a study undertaken to determine the technical and economic feasibility of improving the state‐of‐the‐art in marker making systems for the apparel…

Abstract

Reports the results of a study undertaken to determine the technical and economic feasibility of improving the state‐of‐the‐art in marker making systems for the apparel industry. The study concentrates on three primary areas: an assessment of the current state of the art in marker making software; an extensive literature search; analysis of the cutting stock problem and its application to the marker making problem; and other approaches to solving the marker making problem. Explores the economic viability of increasing marker making automation. Conclusions and recommendations are presented.

Details

International Journal of Clothing Science and Technology, vol. 3 no. 4
Type: Research Article
ISSN: 0955-6222

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Article
Publication date: 1 May 1997

Cathy Hands, Helmut H.A. Hergeth and Peyton Hudson

Describes the history of CAD systems as well as their benefits and costs for a clothing company. Presents and analyses results of a survey concerning the use of CAD…

Abstract

Describes the history of CAD systems as well as their benefits and costs for a clothing company. Presents and analyses results of a survey concerning the use of CAD systems for marker making in the clothing industry of the United States. Describes and evaluates the functions of CAD marker making with the help of a case study.

Details

International Journal of Clothing Science and Technology, vol. 9 no. 2
Type: Research Article
ISSN: 0955-6222

Keywords

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Article
Publication date: 27 July 2012

Leonard Rusli and Anthony Luscher

The purpose of this paper is to create an assembly verification system that is capable of verifying complete assembly and torque for each individual fastener.

Abstract

Purpose

The purpose of this paper is to create an assembly verification system that is capable of verifying complete assembly and torque for each individual fastener.

Design/methodology/approach

The 3D position of the tool used to torque the fastener and the assembly pallet will be tracked using an infrared (IR) tracking system. A set of retro‐reflective markers are attached to the tool and assembly while being tracked by multiple IR cameras. Software is used to triangulate the relative position of the tool in order to identify the fastener being torqued. The torque value is obtained from the tool controller device. By combining the location of the tool and the torque value from the tool controller, assembly of each individual fastener can be verified and its achieved torque recorded.

Findings

The IR tracking is capable of tracking within 2‐3 mm for each tracking ball, with a resulting practical resolution of 24 mm distance between fasteners while maintaining 99.9999 per cent reliability without false positive fastener identification.

Research limitations/implications

This experiment was run under simulated assembly line lighting conditions.

Practical implications

By being able to verify assembly reliably, the need for manual torque check is eliminate and hence yield significant cost savings. This will also allow programming electric tools according in real time based on the fastener in proximity identification.

Originality/value

Currently, assembly verification is only done using the torque values. In automated assembly line, each process might involve fastening multiple fasteners. Using this system, a new level of assembly verification is achieved by recording the assembled fastener and its associated torque.

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Article
Publication date: 8 February 2019

Zecai Lin, Xin Wang and Jian Yang

Transcranial magnetic stimulation (TMS) is a non-invasive brain stimulation technique. Based on the unique functions of TMS, it has been widely used in clinical…

Abstract

Purpose

Transcranial magnetic stimulation (TMS) is a non-invasive brain stimulation technique. Based on the unique functions of TMS, it has been widely used in clinical, scientific research and other fields. Nowadays, the robot-assisted automatic TMS has become the trend. In order to simplify the operation procedures of robotic TMS and reduce the costs, the purpose of this paper is to apply the marker-based augmented-reality technology to robotic TMS system.

Design/methodology/approach

By using the marker of ARToolKitPlus library and monocular camera, the patient’s head is positioned in real time. Furthermore, the force control is applied to keep contact between the coil and subject’s head.

Findings

The authors fuse with visual positioning which is based on augmented-reality and force-control technologies to track the movements of the patient’s head, bring the coil closer to the stimulation site and increase treatment effects. Experimental results indicate that the trajectory tracking control of robotic TMS system designed in this paper is practical and flexible.

Originality/value

This paper provides a trajectory tracking control method for the robotic TMS. The marker-based augmented-reality technology is implemented which simplifies the operation procedures of robotic TMS as well as reduce the costs. During the treatment process, the patients would wear an AR glasses, which can help patients relax through virtual scenes and reduce the uncomfortableness produce by treatment.

Details

International Journal of Intelligent Computing and Cybernetics, vol. 12 no. 2
Type: Research Article
ISSN: 1756-378X

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Article
Publication date: 7 October 2014

David A. Munoz, Harriet Black Nembhard and Jennifer L. Kraschnewski

The purpose of this paper is to quantify complexity in translational research. The impact of major operational steps and technical requirements is calculated with respect…

Abstract

Purpose

The purpose of this paper is to quantify complexity in translational research. The impact of major operational steps and technical requirements is calculated with respect to their ability to accelerate moving new discoveries into clinical practice.

Design/methodology/approach

A three-phase integrated quality function deployment (QFD) and analytic hierarchy process (AHP) method was used to quantify complexity in translational research. A case study in obesity was used to usability.

Findings

Generally, the evidence generated was valuable for understanding various components in translational research. Particularly, the authors found that collaboration networks, multidisciplinary team capacity and community engagement are crucial for translating new discoveries into practice.

Research limitations/implications

As the method is mainly based on subjective opinion, some argue that the results may be biased. However, a consistency ratio is calculated and used as a guide to subjectivity. Alternatively, a larger sample may be incorporated to reduce bias.

Practical implications

The integrated QFD-AHP framework provides evidence that could be helpful to generate agreement, develop guidelines, allocate resources wisely, identify benchmarks and enhance collaboration among similar projects.

Originality/value

Current conceptual models in translational research provide little or no clue to assess complexity. The proposed method aimed to fill this gap. Additionally, the literature review includes various features that have not been explored in translational research.

Details

International Journal of Health Care Quality Assurance, vol. 27 no. 8
Type: Research Article
ISSN: 0952-6862

Keywords

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