• Title/Summary/Keyword: technology platforms

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Development of Autonomous Steering Platforms for Upland Furrow (노지 밭고랑 환경 적용을 위한 자율조향 플랫폼 개발)

  • Cho, Yongjun;Yun, Haeyong;Hong, Hyunggil;Oh, Jangseok;Park, Hui Chang;Kang, Minsu;Park, Kwanhyung;Seo, Kabho;Kim, Sunduck;Lee, Youngtae
    • Journal of the Korean Society of Manufacturing Process Engineers
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    • v.20 no.9
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    • pp.70-75
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    • 2021
  • We developed a platform that was capable of autonomous steering in a furrow environment. It was developed to autonomously control steering by recognizing the furrow using a laser distance, three-axis tilt, and temperature sensor. The performance evaluation indicated that the autonomous steering success rate was 99.17%, and it was possible to climb up to 5° on the slope. The usage time was approximately 40 h, and the maximum speed was 6.7 km/h.

Perceptions and Trends of Digital Fashion Technology - A Big Data Analysis - (빅데이터 분석을 이용한 디지털 패션 테크에 대한 인식 연구)

  • Song, Eun-young;Lim, Ho-sun
    • Fashion & Textile Research Journal
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    • v.23 no.3
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    • pp.380-389
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    • 2021
  • This study aimed to reveal the perceptions and trends of digital fashion technology through an informational approach. A big data analysis was conducted after collecting the text shown in a web environment from April 2019 to April 2021. Key words were derived through text mining analysis and network analysis, and the structure of perception of digital fashion technology was identified. Using textoms, we collected 8144 texts after data refinement, conducted a frequency of emergence and central component analysis, and visualized the results with word cloud and N-gram. The frequency of appearance also generated matrices with the top 70 words, and a structural equivalent analysis was performed. The results were presented with network visualizations and dendrograms. Fashion, digital, and technology were the most frequently mentioned topics, and the frequencies of platform, digital transformation, and start-ups were also high. Through clustering, four clusters of marketing were formed using fashion, digital technology, startups, and augmented reality/virtual reality technology. Future research on startups and smart factories with technologies based on stable platforms is needed. The results of this study contribute to increasing the fashion industry's knowledge on digital fashion technology and can be used as a foundational study for the development of research on related topics.

High quality genome sequence of Treponema phagedenis KS1 isolated from bovine digital dermatitis

  • Espiritu, Hector M.;Mamuad, Lovelia L.;Jin, Su-jeong;Kim, Seon-ho;Lee, Sang-suk;Cho, Yong-il
    • Journal of Animal Science and Technology
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    • v.62 no.6
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    • pp.948-951
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    • 2020
  • Treponema phagedenis KS1, a fastidious anaerobe, was isolated from a bovine digital dermatitis (BDD)-infected dairy cattle in Chungnam, Korea. Initial data indicated that T. phagedenis KS1 exhibited putative virulent phenotypic characteristics. This study reports the whole genome assembly and annotation of T. phagedenis KS1 (KCTC14157BP) to assist in the identification of putative pathogenicity related factors. The whole genome of T. phagedenis KS1 was sequenced using PacBio RSII and Illumina HiSeqXTen platforms. The assembled T. phagedenis KS1 genome comprises 16 contigs with a total size of 3,769,422 bp and an overall guanine-cytosine (GC) content of 40.03%. Annotation revealed 3,460 protein-coding genes, as well as 49 transfer RNA- and 6 ribosomal RNA-coding genes. The results of this study provide insight into the pathogenicity of T. phagedenis KS1.

A Study on the Development of Multi-User Virtual Reality Moving Platform Based on Hybrid Sensing (하이브리드 센싱 기반 다중참여형 가상현실 이동 플랫폼 개발에 관한 연구)

  • Jang, Yong Hun;Chang, Min Hyuk;Jung, Ha Hyoung
    • Journal of Korea Multimedia Society
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    • v.24 no.3
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    • pp.355-372
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    • 2021
  • Recently, high-performance HMDs (Head-Mounted Display) are becoming wireless due to the growth of virtual reality technology. Accordingly, environmental constraints on the hardware usage are reduced, enabling multiple users to experience virtual reality within a single space simultaneously. Existing multi-user virtual reality platforms use the user's location tracking and motion sensing technology based on vision sensors and active markers. However, there is a decrease in immersion due to the problem of overlapping markers or frequent matching errors due to the reflected light. Goal of this study is to develop a multi-user virtual reality moving platform in a single space that can resolve sensing errors and user immersion decrease. In order to achieve this goal hybrid sensing technology was developed, which is the convergence of vision sensor technology for position tracking, IMU (Inertial Measurement Unit) sensor motion capture technology and gesture recognition technology based on smart gloves. In addition, integrated safety operation system was developed which does not decrease the immersion but ensures the safety of the users and supports multimodal feedback. A 6 m×6 m×2.4 m test bed was configured to verify the effectiveness of the multi-user virtual reality moving platform for four users.

Activation of Ontact Research Using Science & Technology Knowledge Infrastructure ScienceON

  • Han, Sangjun;Shin, Jaemin;Lee, Seokhyoung;Park, Junghun
    • Journal of Information Science Theory and Practice
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    • v.10 no.spc
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    • pp.1-11
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    • 2022
  • As data-based research activities and outcomes increase and ontact or non-face-to-face activities become common, the demand for easy utilization of resources, tools, functions, and easily accessible information required for research in the R&D sector has increased accordingly. With the rapid increase in the demand for collaborative research based on online platforms, research support institutions strive to provide venues for research activities that merge various information and functions. ScienceON, an integrated science & technology (S&T) knowledge infrastructure service developed and operated by the Korea Institute of S&T Information (KISTI), supports open collaboration by connecting and merging all the information, functions, and infrastructure required for research activities. This paper describes the online research activity support tool provided by ScienceON and the remarkable results achieved through this activity. Specifically, the excellent creation of the following flow of meta-material research activities in the ontact space is elucidated. First, the papers required for a meta-material analysis are retrieved, virtual simulation is conducted with the experimental data extracted from the papers, and research data are accumulated. ScienceON's tools for supporting ontact research activity will play a role as an important service in the era of digital transformation and open science.

A Research on TF-IDF-based Patent Recommendation Algorithm using Technology Transfer Data (기술이전 데이터를 활용한 TF-IDF기반 특허추천 알고리즘 연구)

  • Junki Kim;Joonsoo Bae;Yeongheon Song;Byungho Jeong
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.46 no.3
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    • pp.78-88
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    • 2023
  • The increasing number of technology transfers from public research institutes in Korea has led to a growing demand for patent recommendation platforms for SMEs. This is because selecting the right technology for commercialization is a critical factor in business success. This study developed a patent recommendation system that uses technology transfer data from the past 10 years to recommend patents that are suitable for SMEs. The system was developed in three stages. First, an item-based collaborative filtering system was developed to recommend patents based on the similarities between the patents that SMEs have previously transferred. Next, a content-based recommendation system based on TF-IDF was developed to analyze patent names and recommend patents with high similarity. Finally, a hybrid system was developed that combines the strengths of both recommendation systems. The experimental results showed that the hybrid system was able to recommend patents that were both similar and relevant to the SMEs' interests. This suggests that the system can be a valuable tool for SMEs that are looking to acquire new technologies.

From Specialisation to Diversification in Science and Technology Parks

  • Hassink, Robert;Hu, Xiaohui
    • World Technopolis Review
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    • v.1 no.1
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    • pp.6-15
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    • 2012
  • Science and technology parks have been popular among policy-makers at several spatial levels to promote innovation and economic growth of certain localities. However, this mainly property-led policy tool has been criticised for two reasons. First, it often failed to successfully support regional networking and technology transfer to regional firms. Only unplanned science and technology parks, such as Silicon Valley, seem to have been successfully fostering regional networking and technology transfer which has led, in turn, to the development of competitive innovative clusters. Secondly, it has too often bet on the same horses and become too specialised in the same fields, such as in micro-electronics or in biotechnology. This specialisation has been theoretically supported by the cluster concept. It has led to both a zero sum game of competition between locations as well as potentially negative path dependence and lock-ins. This paper suggests increasingly supporting diversification in science and technology parks by bringing together hitherto unconnected technologies. Several recently discussed concepts could be used to support diversification, such as related variety (Frenken et al. 2007), regional branching (Boschma and Frenken 2011), regional innovation platforms (Harmaakorpi et al. 2011) and transversality (Cooke 2011).

Inverse Brightness Temperature Estimation for Microwave Scanning Radiometer

  • Park, Hyuk;Katkovnik, Vladimir;Kang, Gum-Sil;Kim, Sung-Hyun;Choi, Jun-Ho;Choi, Seh-Wan;Jiang, Jing-Shan;Kim, Yong-Hoon
    • Proceedings of the KSRS Conference
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    • 2002.10a
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    • pp.604-609
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    • 2002
  • The passive microwave remote sensing has progressed considerably in recent years. Important earth surface parameters are detected and monitored by airborne and space born radiometers. However the spatial resolution of real aperture measurements is constrained by the antenna aperture size available on orbiting platforms and on the ground. The inverse problem technique is researched in order to improve the spatial resolution of microwave scanning radiometer. We solve a two-dimensional (surface) temperature-imaging problem with a major intention to develop high-resolution methods. In this paper, the scenario for estimation of both radiometer point spread function (PSF) and target configuration is explained. The PSF of the radiometer is assumed to be unknown and estimated from the observations. The configuration and brightness temperature of targets are also estimated. To do this, we deal with the parametric modeling of observation scenario. The performance of developed algorithms is illustrated on two-dimensional experimental data obtained by the water vapor radiometer.

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Inverse Brightness Temperature Estimation for Microwave Scanning Radiometer

  • Park, Hyuk;Katkovnik, Vladimir;Kang, Gum-Sil;Kim, Sung-Hyun;Choi, Jun-Ho;Choi, Se-Hwan;Jiang, Jing-Shan;Kim, Yong-Hoon
    • Korean Journal of Remote Sensing
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    • v.19 no.1
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    • pp.53-59
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    • 2003
  • The passive microwave remote sensing has progressed considerably in recent years Important earth surface parameters are detected and monitored by airborne and space born radiometers. However the spatial resolution of real aperture measurements is constrained by the antenna aperture size available on orbiting platforms and on the ground. The inverse problem technique is researched in order to improve the spatial resolution of microwave scanning radiometer. We solve a two-dimensional (surface) temperature-imaging problem with a major intention to develop high-resolution methods. In this paper, the scenario for estimation of both radiometer point spread function (PSF) and target configuration is explained. The PSF of the radiometer is assumed to be unknown and estimated from the observations. The configuration and brightness temperature of targets are also estimated. To do this, we deal with the parametric modeling of observation scenario. The performance of developed algorithms is illustrated on two-dimensional experimental data obtained by the water vapor radiometer.

An Application of TAM and TRI on the Factors Affecting Internet Banking Adoption in Bangladesh

  • AMIN, Md. Iftekharul;ERFAN, Nafis;NAVID, Mashrur;KHAN, Mohammed Shafiul Alam;ISLAM, Md. Shariful
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.9
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    • pp.75-91
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    • 2022
  • This study assesses the Internet banking adoption tendency by existing bank customers of Bangladesh. Currently, almost all the leading banks in the country have implemented Internet banking platforms. However, the active user count remains relatively low and there hasn't been any conclusive research on the drivers and inhibitors of Internet banking. This study evaluates the reasons and quantitatively establishes the factors leading to the adoption and usage continuance of internet banking by existing bank customers. Responses from 460 bank account holders were collected via online questionnaires using a purposive sampling approach, and a core conceptual framework based on Technology Acceptance Model (TAM) and Technology Readiness Index (TRI) was used. The study concluded that internet banking adoption is significantly impacted by the ease of use, customer service, and technology familiarity. Similarly, customer satisfaction is affected by the perceived value and the perceived risk. Through regression analysis, it was found that usage continuance is 89% explained by adoption and customer satisfaction. Multi-group moderation showed significant impact by groups divided based on usage frequency, income level, and age. Perceived risk weakened the impact of perceived value and technology familiarity on usage adoption. Additionally, perceived risk reduced the impact of consumer satisfaction and usage continuance.