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Article
Publication date: 19 December 2023

Jinchao Huang

Single-shot multi-category clothing recognition and retrieval play a crucial role in online searching and offline settlement scenarios. Existing clothing recognition methods based…

Abstract

Purpose

Single-shot multi-category clothing recognition and retrieval play a crucial role in online searching and offline settlement scenarios. Existing clothing recognition methods based on RGBD clothing images often suffer from high-dimensional feature representations, leading to compromised performance and efficiency.

Design/methodology/approach

To address this issue, this paper proposes a novel method called Manifold Embedded Discriminative Feature Selection (MEDFS) to select global and local features, thereby reducing the dimensionality of the feature representation and improving performance. Specifically, by combining three global features and three local features, a low-dimensional embedding is constructed to capture the correlations between features and categories. The MEDFS method designs an optimization framework utilizing manifold mapping and sparse regularization to achieve feature selection. The optimization objective is solved using an alternating iterative strategy, ensuring convergence.

Findings

Empirical studies conducted on a publicly available RGBD clothing image dataset demonstrate that the proposed MEDFS method achieves highly competitive clothing classification performance while maintaining efficiency in clothing recognition and retrieval.

Originality/value

This paper introduces a novel approach for multi-category clothing recognition and retrieval, incorporating the selection of global and local features. The proposed method holds potential for practical applications in real-world clothing scenarios.

Details

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

Keywords

Open Access
Article
Publication date: 8 December 2023

Flaviana Calignano, Alessandro Bove, Vincenza Mercurio and Giovanni Marchiandi

Polymer laser powder bed fusion (PBF-LB/P) is an additive manufacturing technology that is sustainable due to the possibility of recycling the powder multiple times and allowing…

450

Abstract

Purpose

Polymer laser powder bed fusion (PBF-LB/P) is an additive manufacturing technology that is sustainable due to the possibility of recycling the powder multiple times and allowing the fabrication of gears without the aid of support structures and subsequent assembly. However, there are constraints in the process that negatively affect its adoption compared to other additive technologies such as material extrusion to produce gears. This study aims to demonstrate that it is possible to overcome the problems due to the physics of the process to produce accurate mechanism.

Design/methodology/approach

Technological aspects such as orientation, wheel-shaft thicknesses and degree of powder recycling were examined. Furthermore, the evolving tooth profile was considered as a design parameter to provide a manufacturability map of gear-based mechanisms.

Findings

Results show that there are some differences in the functioning of the gear depending on the type of powder used, 100% virgin or 50% virgin and 50% recycled for five cycles. The application of a groove on a gear produced with 100% virgin powder allows the mechanism to be easily unlocked regardless of the orientation and wheel-shaft thicknesses. The application of a specific evolutionary profile independent of the diameter of the reference circle on vertically oriented gears guarantees rotation continuity while preserving the functionality of the assembled mechanism.

Originality/value

In the literature, there are various studies on material aging and reuse in the PBF-LB/P process, mainly focused on the powder deterioration mechanism, powder fluidity, microstructure and mechanical properties of the parts and process parameters. This study, instead, was focused on the functioning of gears, which represent one of the applications in which this technology can have great success, by analyzing the two main effects that can compromise it: recycled powder and vertical orientation during construction.

Details

Rapid Prototyping Journal, vol. 30 no. 11
Type: Research Article
ISSN: 1355-2546

Keywords

Article
Publication date: 17 May 2023

Nicholas Andrew Hudson, Jake M. Linnane and Kelly Rayner-Smith

Social media use in autistic people has been identified as a potential avenue for less pressured social contact. Given shifts towards online socialisation, this study aims to…

Abstract

Purpose

Social media use in autistic people has been identified as a potential avenue for less pressured social contact. Given shifts towards online socialisation, this study aims to systematically review the available literature on how autistic people experience and use social media.

Design/methodology/approach

A systematic review was carried out using the preferred reporting items for systematic reviews and meta-analyses system, with relevant literature reviewed and synthesised using a narrative approach. Inclusion criteria included adults and/or adolescents as the sole sample, a focus on autism and social media use as the sole/main topic.

Findings

A total of 1,278 research studies were initially identified; following screening, 15 papers were reviewed. Studies demonstrated some support for the positive role social media can play and presented its use as a smart adaptation for the challenges of neurotypical socialising. For autistic people, social media may provide a balance between meeting the need to be connected to people without the pressure of managing aspects, such as tone of voice or body language.

Research limitations/implications

Most studies were questionnaire-based with substantial threats to validity. Samples were self-selecting, with autism status not always confirmed. Individual studies used a broad approach to the definition of social media, including online gaming and other online activities, precluding firm conclusions being made.

Practical implications

There may be a Goldilocks “just right” level of social media contact that could maximise connectedness to others without impacting negatively on mental health, offline relationships and activities of daily living.

Originality/value

This paper presents a novel account of research from case studies and larger scale questionnaire studies.

Details

Advances in Autism, vol. 9 no. 3
Type: Research Article
ISSN: 2056-3868

Keywords

Article
Publication date: 25 January 2024

Jianxi Liu, Yu Gan and YiJun Chen

This study delves into the impact of mindfulness on the retention intention of technology employees, with a particular focus on the mediating variables of affective commitment…

Abstract

Purpose

This study delves into the impact of mindfulness on the retention intention of technology employees, with a particular focus on the mediating variables of affective commitment (AC) and organizational identification (OI). The primary aim is to gain a comprehensive understanding of the underlying mechanisms through which mindfulness influences the retention intention of technology employees.

Design/methodology/approach

The research employed a survey approach with self-administered questionnaires and structural equation modeling. The collected data were analyzed using Statistical Product and Service Solutions (SPSS) 24 and Analysis of Moment Structure (AMOS) 28. Multiple mediation analyses was conducted through AMOS to examine the mediating effects of OI and AC.

Findings

The association between mindfulness and retention intention among technology employees showed an overall positive correlation. Additionally, AC and OI were positively correlated with retention intention. In the impact of employee mindfulness (EM) on retention intention, all indirect effects were found to be significant.

Originality/value

To the best of the authors' knowledge, this study is the first to investigate the relationship between EM and retention intention, as well as the associations of AC and OI with them, extending the application of mindfulness in management and offering insights for talent retention among company decision-makers.

Details

Asia Pacific Journal of Marketing and Logistics, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1355-5855

Keywords

Article
Publication date: 8 August 2023

Anthony Osuna, Daina Tagavi, Katie Sabini and Ty Vernon

The purpose of this paper is to describe the development and pilot of a novel program to support autistic adults with social media use. Social media use among autistic adults has…

Abstract

Purpose

The purpose of this paper is to describe the development and pilot of a novel program to support autistic adults with social media use. Social media use among autistic adults has been associated with increased happiness and closer friendships. However, autistic adults are at risk of social media challenges such as cyber-victimization. To date, no programs exist that specifically support autistic adults with safe and effective social media use. The primary aim of this study was to develop and pilot test a novel social media skills program for feasibility and acceptability. A secondary aim was to explore changes in Facebook activity as a proxy for online social engagement.

Design/methodology/approach

The socialization, education and learning for the internet (SELFI) program was developed by identifying relevant target skills, goals, considerations and evidence-based strategies to help autistic adults with online social communication. The developed SELFI program was then pilot tested with six autistic male young adults to explore initial feasibility (fidelity of delivery, attendance) and acceptability (attrition, enjoyment and programmatic feedback). Facebook data were collected to explore differences in the frequency of likes/reactions, comments and posts after completion of the program.

Findings

Each participant completed all procedures and attended every session. There was no attrition from the program. The average fidelity score for recorded sessions was 85.1%. Most participants endorsed agreement with program enjoyment and that it helped them maintain current relationships. Participant feedback provided valuable information regarding areas of strength and areas that needed improvement. Each participant who completed the study demonstrated increased Facebook engagement across likes/reactions, comments and posts.

Research limitations/implications

Limitations include a small all-male sample, exclusion of adults with intellectual disabilities and adolescents and dependence on Facebook data. Additionally, the developed program did not incorporate feedback from relevant stakeholders, including autistic adults.

Originality/value

To the best of the authors’ knowledge, this is one of the first studies to explore support for autistic adults specifically related to social media use.

Details

Advances in Autism, vol. 9 no. 4
Type: Research Article
ISSN: 2056-3868

Keywords

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