• KSII Transactions on Internet and Information Systems (TIIS)
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• 제14권10호
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• pp.4117-4135
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• 2020

Due to the angle of view, illumination and scene diversity, real-time dynamic face detection and recognition is no small difficulty in those unrestricted environments. In this study, we used the intrinsic correlation between detection and calibration, using a multi-task cascaded convolutional neural network(MTCNN) to improve the efficiency of face recognition, and the output of each core network is mapped in parallel to a compact Euclidean space, where distance represents the similarity of facial features, so that the target face can be identified as quickly as possible, without waiting for all network iteration calculations to complete the recognition results. And after the angle of the target face and the illumination change, the correlation between the recognition results can be well obtained. In the actual application scenario, we use a multi-camera real-time monitoring system to perform face matching and recognition using successive frames acquired from different angles. The effectiveness of the method was verified by several real-time monitoring experiments, and good results were obtained.

• 대한영양사협회학술지
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• 제12권4호
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• pp.358-368
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• 2006

This study was conducted with 262 middle school student(118 boys, 144 girls) to examine their satisfaction, meal preference and improvement of school lunch program(SLP) in Jeonju area. Major plate waste ranked high in soup, fishes, vegetables, Kimch and rice. The overall reason for plate waste were listed as being tasteless and disliking food except for rice. In the case of rice, it because of too big portion size. On the satisfaction with SLP, the lowest satisfaction category was waiting time for meal. The changes after taking part in SLP of students ranked in having a regular meal time(31.4%), lessening to eat snack except for regular meals(18%) and correcting habit about picking favorite food(15.2%), in order. The improvement on SLP of students were listed as more appetite food, various side-dishes, squaring of the western and eastern food and so on. To improve the satisfaction SLP and provide a high quality service, it should be needed to make proper dining space, increase the frequency of survey on complaints and taste of students and reflect the menu plan.

• 한국초전도ㆍ저온공학회논문지
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• 제16권2호
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• pp.64-69
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• 2014

Measuring an exact amount of remaining cryogenic liquid propellant under microgravity condition is one of the important issues of rocket vehicle. A Pressure-Volume-Temperature (PVT) gauging method is attractive due to its minimal additional hardware and simple gauging process. In this paper, PVT gauging method using liquid nitrogen is investigated under microgravity condition with parabolic flight. A 9.2 litre metal cryogenic liquid storage tank containing approximately 30% of liquid nitrogen is pressurized by ambient temperature helium gas. During microgravity condition, the inside of the liquid tank becomes near-isothermal condition within 1 K difference indicated by 6 silicon diode sensors vertically distributed in the middle of the liquid tank. Helium injection with higher mass flow rate after 10 seconds of the waiting time results in successful measurements of helium partial pressure in the tank. Average liquid volume measurement error is within 11% of the whole liquid tank volume and standard deviation of errors is 11.9. As a result, the applicability of PVT gauging method to liquid propellant stored in space is proven with good measurement accuracy.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제16권8호
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• pp.2473-2489
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• 2022

Urban development has brought about the increasing saturation of urban traffic demand, and traffic congestion has become the primary problem in transportation. Roads are in a state of waiting in line or even congestion, which seriously affects people's enthusiasm and efficiency of travel. This paper mainly studies the discrete domain path planning method based on the flow data. Taking the traffic flow data based on the highway network structure as the research object, this paper uses the deep learning theory technology to complete the path weight determination process, optimizes the path planning algorithm, realizes the vehicle path planning application for the expressway, and carries on the deployment operation in the highway company. The path topology is constructed to transform the actual road information into abstract space that the machine can understand. An appropriate data structure is used for storage, and a path topology based on the modeling background of expressway is constructed to realize the mutual mapping between the two. Experiments show that the proposed method can further reduce the interpolation error, and the interpolation error in the case of random missing is smaller than that in the other two missing modes. In order to improve the real-time performance of vehicle path planning, the association features are selected, the path weights are calculated comprehensively, and the traditional path planning algorithm structure is optimized. It is of great significance for the sustainable development of cities.

• 영어영문학
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• 제58권1호
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• pp.69-91
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• 2012

Marina Carr's By the Bog of Cats.... (1998) is the last play of the trilogy of "the midlands plays" which can be regarded as her re-writing of both Euripides' Medea and J. M. Synge's The Playboy of the Western World by resetting the two plays in the midlands of contemporary Ireland. Carr intends to courageously explore into the dangerous liminal space, i.e., the middle between the past and the present, the high Greek and the Irish folk culture, dealing with the ghosts of the dead writers for her own Irish feminist theatre. Thus, in the middle Carr can build a new Irish theatre by minorating and abjecting the Greek tragedy and subverting and expanding Synge's theatre of grotesque realism. This paper attempts to read By the Bog of Cats... as Carr's final project of exploration into the midland of Ireland to establish a new Irish feminist theatre and at the same time a new Irish folk theatre. By focusing on her strategies of minoration and subversion through grotesque imagery and carnival rituals it argues that Carr put Hester's becoming-ghost in the middle, the bog of the cats as both grave and womb, waiting for the birth of a new Irish people. And it emphasizes that the ghost of Hester, merging with the ghosts of her mother and daughter by the bog of cats will haunt the official society as a threatening abjection, challenging the restoration of the social order.

• 만화애니메이션 연구
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• 통권33호
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• pp.531-549
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• 2013

액션게임은 매저키즘(Masochism)의 특수한 배치(constellation)인 부인, 서스펜스, 기다림, 물신숭배, 환상 이 모두를 내재하고 있다. 이러한 액션게임의 특성은 매저키즘과 연관 지어 분석이 가능하게 한다. 연구에서는 매저키즘에 상반의 의미로 보는 병인학적 오인의 결과인 사디즘은 가급적 배제하여 분석하였다. 그러나 액션게임을 사디즘(Sadism)으로 오인되지 않도록 약간의 비교 분석은 첨부하였다. 게임은 게이머-존재와 게임-캐릭터의 계약의 틀에서 연결시킴으로 창조되는 주체의 장으로써 가상적 교감이 이루어지는 공간을 생성 시켜준다. 그리고 이러한 공간 속에서 시각적 촉각이 교감됨은 쾌락의 차이의 체계를 만들어 준다. 매저키즘은 게임과 같이 계약적 관계로 물신숭배를 통해 결국은 자신이 생성해 놓은 세상 속에서 쾌락을 성취한다. 이처럼 액션게임과 매저키즘은 기본적 상호 근친성이 있음이 나타내고 있음을 알 수 있었다. 본고는 실재 액션게임의 예를 들어 액션게임의 존재론을 분석을 시작하였고 액션게임이 매저키즘적 쾌락의 성취가 있음을 알 수 있었다.

• 한국항공우주학회지
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• 제45권6호
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• pp.463-472
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• 2017

관성항법장치(Inertial Navigation System)는 항법 수행 전 동체 좌표계(body frame)와 항법 좌표계(navigation frame)사이의 좌표 변환 행렬(Direction Cosine Matrix: DCM)을 결정하여 초기자세를 구하는데 이 과정을 정렬(alignment)이라 한다. 정렬을 시작하기 위해서는 INS의 초기 위치 정보가 필요한데 해당 정보가 INS에 미리 입력되어 있지 않거나 당장에 초기위치를 모를 경우 이로 인해 INS에 전원이 인가된 후 정렬에 진입하기까지의 대기시간이 존재한다. 이러한 대기시간을 제거하기 위하여 본 논문에서는 INS 전원 인가 즉시 현재위치와 상이한 가상의 초기위치 값을 장입하여 스트랩다운 INS 정렬을 시작하고 추후에 정확한 위치를 INS에 입력하여 자세오차를 보상하는 정렬 알고리즘을 제시하였다. 항법 좌표계에서의 INS 센서 오차가 시간이 지남에 따라 자세오차에 미치는 영향성을 분석하여 가상의 초기위치 값 입력 시 발생하는 자세오차 만큼을 보상하는 폐루프 정렬 알고리즘의 성능을 검증하였다.

• 한국실내디자인학회논문집
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• 제18권4호
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• pp.124-131
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• 2009

The aesthetics of current dermatology clinics are the main space of dermatology, which is gradually becoming an area of specialty. Paths requiring spatial transition due to the expansion of treatment field in dermatology clinics are currently emerging, meaning that the duty to provide medical and aesthetic environment with high spatial connection must be accompanied. Contrary to past clinics where only functional aspects were emphasized, current clinics require a differentiated environment that considers both aspects of function and aesthetics, centered on the patient. The purpose of this research in this perspective is to study the efficient connection between dermatology and aesthetics, while also analyzing identity factors to indicate design factors differentiated from other functional spaces, to apply them as preliminary data for the planning of dermatology clinics. Based on the above, six dermatology clinics located in Seoul were designated for case studies through field studies. Overall, Aesthetics connected to dermatology clinics legally must have separate business registrations and have alternative entrance ways. Currently however, there were many cases where entrance, waiting, reception and receipt were not separated. there were efforts to partially display identities when analyzing design factors that formed the identity of dermatology clinics. However, there were insufficient cases where visual communication factors such as a clinic's spatial identity, logo, signing system, and applied products were integrated into a coherent theme. At this point when dermatology clinics are becoming brands, all fields must merge for integrated identity effects that go beyond the boundaries of contemporary H.I, to clearly display their identity with the clinics' professional image and consistent concept.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제6권6호
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• pp.1522-1545
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• 2012

Call admission control (CAC) plays an important role in mobile cellular network to guarantee the quality of service (QoS). In this paper, a dynamic hybrid CAC scheme with integrated cutoff priority and handoff queue for mobile cellular network is proposed and some performance metrics are derived. The unique characteristic of the proposed CAC scheme is that it can support any number of service types and that the cutoff thresholds for handoff calls are dynamically adjusted according to the number of service types and service priority index. Moreover, timeouts of handoff calls in queues are also considered in our scheme. By modeling the proposed CAC scheme with a one-dimensional Markov chain (1DMC), some performance metrics are derived, which include new call blocking probability ($P_{nb}$), forced termination probability (PF), average queue length, average waiting time in queue, offered traffic utilization, wireless channel utilization and system performance which is defined as the ratio of channel utilization to Grade of Service (GoS) cost function. In order to validate the correctness of the derived analytical performance metrics, simulation is performed. It is shown that simulation results match closely with the derived analytic results in terms of $P_{nb}$ and PF. And then, to show the advantage of 1DMC modeling for the performance analysis of our proposed CAC scheme, the computing complexity of multi-dimensional Markov chain (MDMC) modeling in performance analysis is analyzed in detail. It is indicated that state-space cardinality, which reflects the computing complexity of MDMC, increases exponentially with the number of service types and total channels in a cell. However, the state-space cardinality of our 1DMC model for performance analysis is unrelated to the number of service types and is determined by total number of channels and queue capacity of the highest priority service in a cell. At last, the performance comparison between our CAC scheme and Mahmoud ASH's scheme is carried out. The results show that our CAC scheme performs well to some extend.

• 의료ㆍ복지 건축 : 한국의료복지건축학회 논문집
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• 제27권3호
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• pp.17-26
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• 2021

Purpose: This study is a case study in which the space was improved by applying the design direction derived through the theoretical basis and service design process to the outpatient department and health examination center in mental health facilities used by various stakeholders. And it aims to present implications through this. Methods: The research method is based on the analysis of the service design process with a focus on literature review. Results: As a result of deriving the design direction, it was organized into 1) improvement of spatial arrangement, 2) improvement of wayfinding system, and 3) creation of comfortable environment. The design improvement plan suggested division of areas, change of nurse station location, creation of a pleasant waiting space for the outpatient department, reinforcement of access, improvement of room relocation and flow, and increased comfort of common spaces for the health examination center. Implications: First, it is necessary to expand research and application of spatial planning and environmental design reflecting the characteristics of patients and environments of mental health institutions. Second, in the medical environment, the divided territoriality should be reviewed for various stakeholders as well as the coexistence. Third, it is necessary to promote medical service and environmental improvement through the service design process.