• The Korean Journal of Franchise Management
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• v.1 no.1
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• pp.65-85
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• 2010

The key success factors for Franchise Enterprise as a virtual company which is established based on franchise system are the competitiveness of sub-systems in franchise system such as franchisor, franchisee, vendor(supplier), and customer, and to sustain the symbiotic relationship among sub-systems. In this regard, evaluating franchise system is considered to be implemented in different contexts and methods comparing with extant evaluation system in franchise business which is more focused on the relationship between franchisor and franchisee. The flagship role of establishing franchise system is to be franchisor system, however, the symbiotic relationship among other sub-system including franchisee, vendor, and customer leads to successful Franchise Enterprise. The purpose of this study is to research existing evaluation systems for franchise business and to explore the model of evaluating franchise system, what is called, "Symbiosis Index".

• Convergence Security Journal
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• v.22 no.1
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• pp.29-38
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• 2022

The importance of prevention of epidemics is increasing due to the serious spread of infectious diseases. For prevention of epidemics, we need to focus on the non-contact industry. Therefore, in this paper, a face recognition door lock that controls access through non-contact is designed and developed. First very simple features are combined to find objects and face recognition is performed using Haar-based cascade algorithm. Then the texture of the image is binarized to find features using LBPH. An non-contact door lock system which composed of Raspberry PI 3B+ board, an ultrasonic sensor, a camera module, a motor, etc. are suggested. To verify actual performance and ascertain the impact of light sources, various experiment were conducted. As experimental results, the maximum value of the recognition rate was about 85.7%.

• Journal of the Korea Institute of Building Construction
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• v.23 no.1
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• pp.23-33
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• 2023

It is widely known that the level of fire resistance of wooden structure is determined by a charring rate or charring depth, and these are adopted for fire design. In this study, specimens of domestic larch column with a lamination wooden type were prepared and the fire resistance properties such as the charring depth, load ratio and the specific charring rate suggested by EN Code investigated. Test results showed that as expected, the weakest part was the corner of the column, so that the charring depth of the corner was deeper than the other parts of the column. For the load ratio less than 0.9, it had little effect on the charring depth.

• Proceedings of the Korea Water Resources Association Conference
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• 2022.05a
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• pp.3-3
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• 2022

부산 에코델타시티는 세종 5-1 생활권과 더불어 스마트시티 국가시범도시이며, 사업대상지역은 평강천이 관류하여 맥도강, 서낙동강 본류로 흐르는 세물머리지역이 그 중심에 위치하고 있다. 하천을 중심으로 스마트시티가 조성되고 있으나 하천관리는 유역내 홍수관리, 수질관리 등등에 관한 정부주체 상위계획에 종속성이 강한 공공분야로서 단위사업에서 스마트시티에 걸맞는 하천관리계획을 수립하고 시행하는 것은 많은 어려움이 존재한다. 하천관리의 주 관심 대상은 이수를 제외하면 치수, 하천환경, 친수, 하천시설물로 대별할 수 있으며, 스마트 하천관리란 이들에 대한 현황 정보구축 및 지속적인 현행화, 그리고 이들 실제 정보를 토대로 한 합리적 운영과 실시간 연계운영 실현으로 공공서비스를 제공하는 것이라 할 수 있을 것이다. 본 연구는 국가연구개발사업에서 연구한 각 분야별 하천관리기법을 에코델타시티에 시범적용하여 스마트하천관리를 구현할 수 있는 방법을 제시하고자 하였다. 에코델타시티 조성사업의 진행수준으로 인해 취득하기 어려운 정보들은 수립된 계획을 참조하여 적용하였다. 유역내 주 대상 하천들은 델타지역에서 수문으로 통제되므로 일반적인 하천과 달리 정수역에 가까운 특이한 수리특성을 보이고 있지만, 우선 스마트 하천관리를 위한 일반적인 과정들을 시범적용 해보고 필요에 따라 특성 고려 방안을 찾고자 하였다. 유역내 정량적 홍수위험도 평가, 하천환경 평가 적용방안, 하천시설물 관리방안, 주요 지점의 실시간 모니터링 방안 등이 에코델타시티 조성사업 진행단계를 고려하여 수행되고 있다. 사용편의성과 지속가능성을 담보하기 위한 하천연계플랫폼을 구축하여, 개발된 기법들을 각각 내부 모듈로 장착하거나 완성도에 따라 외부모듈로 연계할 수 있도록 하였다. 현재 개발된 기법들의 시스템화 완성 및 관련 정보들의 데이터베이스 확대를 위한 노력이 진행되고 있으며, 향후 하천관리연계플랫폼의 실제 운영을 통하여 완성도를 높여갈 계획이다.

• Asia Marketing Journal
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• v.2 no.1
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• pp.27-41
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• 2000

본 연구는 서비스산업인 호텔기업을 대상으로 특 1 급, 특 2 급, 1 급 호텔의 시장지향성이 관리자와 종업원들간에 어떻게 지각되고, 호텔등급별로 시장지향성은 차이가 있으며, 호텔등급별로 시장지향성이 사업성과에 미치는 영향력은 차이가 있는가를 알아보고자 이에 관련된 연구과제를 설정하고 실증분석 하였다. 본 연구의 실증분석 결과는 다음과 같다. 첫째, 호텔등급별로 관리자와 종업원들은 특 1 급 호텔의 경우 경쟁자의 가격구조에 대한 반응(Moi3)(p<.01)과 시장세분화를 근거로 한 신제품/서비스 개발(Mor1)(p<.05), 특 2 급 호텔의 경우 고객여론 조사 정도(Mog2) (p<.05), 시장세분화를 근거로 한 신제품/서비스 개발(Mor1)(p<.05), 제품/서비스 개발 노력이 고객욕구와 일치하는 가의 정기적 점검 (Mor2)(p<.05)., 1 급 호텔의 경우 비공식적 수단에 의한 호텔산업 정보 수집 정도(Mog3) (p<.05), 사업계획이 시장조사보다는 기술발전에 따라 이루어지는 정도(Mor3)(p<.05) 등의 시장지향성 항목에 대해서 유의적인 지각 차이를 보이는 것으로 나타났다. 둘째, 특 1 급 호텔의 시장지향성이 특 2 급, 1 급 호텔의 시장지향성보다 높은 것으로 나타나 특 2 급, 1 급 호텔은 특 1 급 호텔을 전략적 벤치마킹의 대상으로 설정할 필요성이 있는 것으로 나타났다. 셋째, 호텔등급 별로 시장지향성이 성과에 미치는 영향력(R²)을 분석한 결과, 특 1 급과 특 2 급 호텔이 1 급 호텔에 비하여 유의적으로 높은 것으로 나타났다. 한편 특 1 급과 특 2 급 호텔은 통계적으로 유의적인 차이는 없었으나 특 1 급 호텔의 시장지향성이 더 높은 것으로 나타났다.

• Korean Journal of Culture and Social Issue
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• v.11 no.1
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• pp.143-156
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• 2005

There is a growing interest in the education of gifted children nation-wide. The present study was performed to find out characteristics of students who are receiving special education as gifted using a new psychological inventory which measures the temperament and charcter separately. We compared students who have been selected for their trlent in math and science with students who do well academically. Academic competence was operationally defined by grades or by IQ. Gifted children are usually thought to be characterized by an innate ability, and it was expected that there would be some difference between temperaments of the gifted group and those of the academically competent group. However, there was no significant difference between the two groups not only in their temperaments, but also in other sub-scales of character. This result suggests that in spite of the extensive effort and cost involved in the selection process, the children who are currently selected as gifted show no distinction when compared to academically competent students. Based on the results some practical suggestions were made in order to improve the selection of the gifted children.

• The Journal of the Acoustical Society of Korea
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• v.28 no.7
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• pp.599-609
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• 2009

An overview of the recently finalized multi-channel audio coding standard MPEG Surround is provided. This audio coding standard downmixes multi-channel signals to mono or stereo signals and, simultaneously, extracts spatial parameters for its encoding process. In its decoding process, it reconstructs multi-channel signals based on the downmix signals and spatial parameters. Since the downmix signals are coded in conventional audio coding format such as AAC and MP3 and the spatial parameters require a small amount of information MPEG Surround guarantees high sound quality multi-channel audio at low bit rates. Besides, it is backward-compatible to conventional audio coding techniques because the downmix signals can be played on portable audio devices ignoring the spatial parameter information. In this paper, Part 1 presents an overview of the basic structure of MPEG Surround and Part 2 describes various modes and tools including the binaural mode which supports the virtual 5.1-channel playback via headphones or earphones. The listening test results by various companies and organizations are also presented.

• The Journal of the Acoustical Society of Korea
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• v.28 no.7
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• pp.610-617
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• 2009

An overview of various modes and tools of MPEG Surround is provided Because the binaural mode of MPEG Surround supports the virtual 5.1-channel playback based on HRTFs, it can be played via headphones and earphones for portable audio devices. MPEG Surround also supports the enhanced matrix mode which converts stereo signals to 5.1-channel signals without side information, the 3D stereo mode which deals with 3D-coded signals, the low power version which greatly reduces the computational load in the decoding process. Besides, MPEG Surround provides the arbitrary downmix gains (ADGs) tool which is applied to artistic downmix signals, the matrix compatibility tool which is applied to downmix signals by conventional matrix-based methods, the residual coding tool -which can be used at high bit rates, and the GES tool which is applied to specific sound such as applause. The listening test results by various companies and organizations are also presented for important modes and tools.

• The Journal of the Acoustical Society of Korea
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• v.43 no.4
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• pp.369-382
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• 2024

To suppress the reverberation in the active sonar system, the non-negative matrix factorization-based reverberation suppression methods have been researched recently. An estimation loss function, which makes the multiplication of basis matrices same as the input signals, has to be considered to design the non-negative matrix factorization methods, but the conventional method simply chooses the Kullback-Leibler divergence asthe lossfunction without any considerations. In this paper, we examined that the Kullback-Leibler divergence is the best lossfunction or there isthe other loss function enhancing the performance. First, we derived a modified reverberation suppression algorithm using the generalized beta-divergence function, which includes the Kullback-Leibler divergence. Then, we performed Monte-Carlo simulations using synthesized reverberation for the modified reverberation suppression method. The results showed that the Kullback-Leibler divergence function (β = 1) has good performances in the high signal-to-reverberation environments, but the intermediate function (β = 1.25) between Kullback-Leibler divergence and Euclidean distance has better performance in the low signal-to-reverberation environments.

• Journal of the Korean Society of Food Science and Nutrition
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• v.42 no.8
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• pp.1335-1343
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• 2013

Parents in South Korea are known for their high level of educational zeal for their children. As a result, their children usually take extra classes in institutions as well as participate in other extracurricular activities such as sports and music. The purpose of this study was to examine the lifestyle and dietary behaviors of Korean elementary students involved in such activities. The total number of subjects was 550 fourth to sixth graders in elementary schools in Sejong, Korea. Of the total subjects, 88.0% were involved in extracurricular classes or other activities for an average of 7.34 hours/week. The subjects were assigned to one of four groups based on the degree of extracurricular activities: No extra-class (n=66), Low extra-class (1${\leq}$taking time<5 hours/week, n=118), Medium extra-class (5${\leq}$taking time<10 hours/week, n=184), and High extra-class (taking time${\geq}$10 hours/week, n=182). More subjects in the High extra-class group went to bed late (P<0.01), were under stress (P<0.01), and skipped breakfast, compared with those in the other groups. The ratio of students who answered 'I go to an institute without a meal' (P<0.01), 'I prepare a meal for myself' (P=0.053), or 'I eat out before going to an institute' (P<0.01) was higher in the High extra-class group than in the Low extra-class group. The frequency of eating fast food was higher in the High extra-class group, compared with the other groups. These results indicate that a high amount of extracurricular studies may have a negative effect on the children's lifestyles and dietary behaviors. Therefore, this study alerts parents to the potential harm of excessive extracurricular activities to their children's health.