• Title/Summary/Keyword: 레이어

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The Multimedia Service Scheduling method applying AMC based on Cross Layer technique for Mobile Communication Systems (이동통신 시스템을 위한 크로스레이어 기반의 AMC를 적용한 멀티미디어 서비스 스케줄링 기법)

  • Kim, Kyung-Seok;Kim, Joo-Seok
    • Journal of Korea Multimedia Society
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    • v.11 no.9
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    • pp.1238-1244
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    • 2008
  • Each layer operates independently in the present network structure. However, the importance of designing cross layer, which adapt between different layers, is on the rise, because of adapt to the variable communication environments. In this paper, we investigate the scheduling techniques of the cross layer. we research conventional scheduling methods and propose the multimedia service scheduling method which will be applied in future wireless communication environments. This method considers the diversity of multimedia service and manages the radio resources efficiently Moreover, we apply AMC for flexibility and improve the performance of the scheduling method. The proposed method is verified through the simulation appying variable environments.

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A Study on Development of Experimental Contents Using 3-channel Multi-Image Playback Technique: Based on transparent OLED and dual layer display system (3채널 멀티 영상 재생 기법과 증강현실을 이용한 체험 콘텐츠 제작에 관한 연구: 투명 OLED 및 듀얼 레이어 디스플레이 시스템 기반)

  • Lee, Sang-Hyun
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.17 no.6
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    • pp.151-160
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    • 2017
  • Among the methods of developing tourist spots and culture as the experience contents, it is a common method to display high-quality video images on a large display, and it is necessary to make a special difference between the participant's active participation and the visual experience in other regions. In this paper, using the single molecular OLED and active type, the regional tourist spots blend transparent OLED dual-layer display systems with the extended image implementation and augmented interaction techniques to give the participants a real-world experience, such as directing to new experiences and beautiful sights. In this paper, additional images and UI layers are applied to the layers of the images to allow visitors to experience sightseeing information, weather, maps, accommodations, festivals and photo materials with image. In addition to the dual-layer system, it also added a multi-display system that additionally has one vertical 55-inch display on each side, adding to the experience the immersive experience and interface interlocking fun. By using transparent OLED, dual layer panel and 3-channel Multi-image playback technique, the augmented type experience contents which can experience the local attractions in Jeollanamdo province in Korea at all time without any limitation of time and space were developed.

Physical and Sensory Characteristics of Low-Calorie Layer Cake Made with Maltodextrin (Maltodextrin이 첨가된 저열량 레이어 케이크의 물리적 및 관능적 특성)

  • 송은승;김상진;변기원;강명화
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.31 no.6
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    • pp.1005-1010
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    • 2002
  • This study was carried out to investigate the effect of maltodextrin on the characteristics of low-calorie layer cake. Different levels of maltodextrin were added to the cake formula based on the weight of shortening. The specific gravity of cake batter was decreased by increasing the level of maltodextrin, whereas the viscosity showed an opposite trend. The microstructures of cake crumb observed by the scanning electron microscope showed the decrease of the number and size of air cells, and those of fat particles were also decreased by increasing the level of maltodextrin. The texture profile analysis of layer cake showed statistically significant differences according to the levels of maltodextrin. Hardness, gumminess and chewiness of the cake batter were decreased by adding maltodextrin, while springiness, cohesiveness and resilience increased. According to the sensory evaluation, the scores of taste and texture were decreased by adding maltodextrin, but the scores of appearance, color, flavor and overall preference of the layer cake increased. Overall results suggested that the addition of 35% maltodextrin could be the best replacing ratio for the low-calorie layer cake.

Image Synthesis and Multiview Image Generation using Control of Layer-based Depth Image (레이어 기반의 깊이영상 조절을 이용한 영상 합성 및 다시점 영상 생성)

  • Seo, Young-Ho;Yang, Jung-Mo;Kim, Dong-Wook
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.15 no.8
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    • pp.1704-1713
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    • 2011
  • This paper proposes a method to generate multiview images which use a synthesized image consisting of layered objects. The camera system which consists of a depth camera and a RGB camera is used in capturing objects and extracts 3-dimensional information. Considering the position and distance of the synthesizing image, the objects are synthesized into a layered image. The synthesized image is spaned to multiview images by using multiview generation tools. In this paper, we synthesized two images which consist of objects and human and the multiview images which have 37 view points were generated by using the synthesized images.

Characteristics of low calorie layer cake by adding different levels of polydextrose (폴리덱스트로스의 첨가량에 따른 저 열량 레이어 케이크의 특성)

  • 송은승;김상진;강명화
    • Korean journal of food and cookery science
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    • v.17 no.4
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    • pp.367-372
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    • 2001
  • This study was conducted to investigate the effect of rheological and sensory characteristics of the low-calorie layer cake made by adding different levels of polydextrose as a fat substitute for shortening. As the substitution level of polydextrose increased, the specific gravity of the cake batter increased and the viscosity decreased. The microstructures of cake crumb observed by a scanning electron microscope showed the decreased number and size of air cells and fat particles by increasing fat substitution level. The texture profile analysis using rheometer showed significant differences among the samples according to the levels of polydextrose for shortening. The hardness. gumminess, cohesiveness and chewiness of the cake declined gradually by increasing polydextrose level, while the springiness increased. There were no significant differences in resilience. Among various sensory properties, the appearance, flavor, crumb texture and overall acceptance of the layer cake decreased by increasing polydextrose level, although the taste score increased by adding 25% of polydextrose for shortening. Taking these results together, adding 25% polydextrose for shortening suggested to be a good substitution level for the low-calorie layer cake.

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ICT-based Smart Farm Design (ICT 기반의 스마트팜 설계)

  • Shin, Bong-Hi;Jeon, Hye-Kyoung
    • Journal of Convergence for Information Technology
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    • v.10 no.2
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    • pp.15-20
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    • 2020
  • In this paper, we propose an ICT-based smart farm design. At present, the decrease in rural population is naturally inevitable due to the decrease of the total population. The economic burden on each farm grows with increasing labor costs. As a solution to this, the necessity of spreading smart farms using computing resources is emerging. The proposed system utilizes the ICT technology emerging from the Fourth Industrial Revolution. We will use big data analysis to collect a large amount of data and propose a platform for managing collected data and providing efficient services. The proposed platform consists of SOA service layer, middleware layer, resource pool layer and physical resource layer. ICT-based smart farm service can reduce costs and be easy to install and manage because ICT-based smart farm service provides only necessary functions from the user's point of view.

Concept of a Layer for Privacy Protection of Upstream Communications in IoT Environments (IoT 환경에서 상류 통신의 프라이버시 보호 레이어 개념)

  • Han, In Gook;Yeon, Jae Hwan;Lee, Hae Young;Kim, Hyung-Jong
    • Proceedings of the Korea Information Processing Society Conference
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    • 2019.10a
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    • pp.468-469
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    • 2019
  • 본 논문에서는 스마트폰에서 사물인터넷 기기로부터 수집한 데이터를 사물인터넷 서버로 전송할 때 프라이버시 보호를 지원할 수 있는 상류 프라이버시 보호 레이어를 제안한다. 제안 레이어는 프라이버시 정책에 따라 서버와 직접 연결, 프록시를 통한 연결, 가상사설망을 통한 연결, 그리고 익명 네트워크를 통한 연결을 동적으로 변경할 수 있고, 이를 통해 데이터 전송 효율의 저하를 최소화하면서도 프라이버시를 보호할 수 있다.

A Study on Content Layers Format Development for Smart Device using Golden Ratio (황금비율을 이용한 스마트 디바이스용 컨텐츠 레이어 포맷 개발을 위한 연구)

  • Kang, Joonsang;Lee, Jaewoo;Cha, Jaesang;Lee, Seonhee
    • Journal of Satellite, Information and Communications
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    • v.9 no.3
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    • pp.5-8
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    • 2014
  • Recently, smart devices can be used with a variety of programs. Because of these characteristics, suitable lectures are provided to mobile device in Korea educational facilities. However, it is possible to reduce the learning efficiency from taking courses. because of many smart devices are using in a small display. Therefore, we need effectively in a small display content layout for overcome these problems. In this paper, we proposed content layer format for smart devices by Illustrated Programs based on Golden Ratio.

An Analysis of Baseband Packet Switching Scheme for Multi-Beam Satellite Communications (다중빔 위성통신을 위한 기저대역 패킷 스위칭 기법 분석)

  • Kim, Won-Ho;Lee, Yong-Min;Ku, Bon-Jun
    • Journal of Satellite, Information and Communications
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    • v.5 no.2
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    • pp.97-103
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    • 2010
  • In this paper, we present an efficient design scheme based on analysis of design requirements and considerations of baseband packet switch for S-band satellite/terrestrial hybrid multi-beam satellite communication systems. To establish design requirements and considerations, we analyze required functions of baseband packet switch, specifications of multi-beam satellite communications, communication services and performance requirements. And also we analyze and compare conventional layer-2 and layer-3 satellite baseband packet switching techniques, packet switching protocols and packet switch architectures, to apply from analyzed results. Finally, we propose a hardware design scheme of MPEG based layer-2 baseband packet switch using analyzed results.