초록 ▼

- 모바일 단말에서의 개인 정보 및 센싱 데이터를 스마트 TV로 전송하기 위한 NFC/Wi-Fi Direct 기반 프로토콜 개발
- 이기종 단말과 스마트TV 간의 사용자 개입을 최소화 하는 Bluetooth 기반 미러링 프로토콜 개발
- 클라우드 오프로딩을 이용하여 자막 자동 생성 기술 개발
- 실시간 검색어와 사용자의 감성 정보 등의 개인 정보를 활용한 맞춤형 콘텐츠 추천 기술 개발
- 근접도 센서를 이용한 터치와 제스쳐 인식이 가능한 유기적 멀티 터치 리모콘 시제품 제작
- 가상화 환경에서 멀티미디어

- 모바일 단말에서의 개인 정보 및 센싱 데이터를 스마트 TV로 전송하기 위한 NFC/Wi-Fi Direct 기반 프로토콜 개발
- 이기종 단말과 스마트TV 간의 사용자 개입을 최소화 하는 Bluetooth 기반 미러링 프로토콜 개발
- 클라우드 오프로딩을 이용하여 자막 자동 생성 기술 개발
- 실시간 검색어와 사용자의 감성 정보 등의 개인 정보를 활용한 맞춤형 콘텐츠 추천 기술 개발
- 근접도 센서를 이용한 터치와 제스쳐 인식이 가능한 유기적 멀티 터치 리모콘 시제품 제작
- 가상화 환경에서 멀티미디어 재생 능력을 저하시키기 않는 스마트TV 가상화 엔진 기술 개발
- 스마트TV 프로그램 코드를 가상화하는 Dalvik 가상머신이나 Javascript 엔진을 기반으로 한 메모리 최적화

Abstract ▼

[First Year]
○ Research group 1: Device Interaction Techniques for M2M
- Developed a smartphone application that exploits user's device and NFC tag called MI NFC, which provides multi-featured integrated service based on information shared between smart mobile device and smart TV
- Develope

[First Year]
○ Research group 1: Device Interaction Techniques for M2M
- Developed a smartphone application that exploits user's device and NFC tag called MI NFC, which provides multi-featured integrated service based on information shared between smart mobile device and smart TV
- Developed a mobile-to-smart TV wireless multimedia data mirroring technique
- Developed a general purpose network connection interface for managing heterogeneous networks
- Developed a wireless M2M device recognition technique, which takes energy efficiency into account
○ Research group 2: Interaction Techniques for Intelligent Personal Cloud
- Designed and implemented a heterogeneous integrated file system, which takes file transfer cost over WAN into account, for smart TV-centric home network
- Developed a cloud-based extensible M2M gateway for supporting communication among heterogeneous M2M devices
- Improved the big data processing performance of Hadoop by exploiting SSD
- Developed a cloud-based high performance transcoding system using Hadoop
○ Research group 3: Cognitive/Adaptive Based Human Interaction Techniques
- Developed content recommendation technique and user preference, content trend prediction technique by analyzing similarity relationship between metadata that contains the user profile gathered by NFC tag and content property information
- Designed a keyboard typing algorithm for touch device that applies behavioral differences among users when using physical keyboard and touchpad in purpose of input various gestures
- Built an integrated broadcasting/object information management system that enables efficient management of collected information, analysis of characteristics of broadcasting program, and collecting program information in real time
○ Research group 4: Smart TV 2.0 System Core Platform
- Developed a virtualization engine that distributes resources in accordance with the characteristics of task of each virtual machines on smart TV by exploiting cgroups virtual machine management technique in order to improve the responsiveness of interaction-oriented services and to guarantee QoS for each service
- Optimized the file system by applying log structured file system in order to improve the performance on computation on small files in flash memory
- Implemented a software queue that shows optimistic result in multi-core smart TV platform
- Developed a profiling technique that profiles the operations of Linux kernel and web browser simultaneously and profiles process scheduling and kernel event in each core

[Second Year]
○ Research group 1
- Developed a system for discovering smart TV related service and sharing environment information by exploiting data mining technique in M2M/WSN environment and virtual backbone tree
- Developed a wireless multimedia data mirroring technique for guaranteeing mobility of mobile device by adding heterogeneous inter-networking hand-over management module
- Developed a QoS-guaranteed communication technique for service-providing heterogeneous device by taking characteristics of M2M devices and connected network into account
- Built a M2M network management platform that manages the interference between heterogeneous M2M devices and communication errors
○ Research group 2
- Developed a distributed file system that is capable of transparent data sharing among heterogeneous M2M devices by providing user-level API
- Developed an application engine that performs extensible application computation off-loading by exploiting VM
- Developed an efficient caching algorithm by taking data locality
- Developed a technique that organizes database on cloud-based system and performs compression efficiently
○ Research group 3
- Developed a content recommendation technique, which considers users' TV watching pattern based on vision data gathered from TV camera, webcam, etc., and recognizes users by using OpenCV
- Developed a touchpad, which is able to sense touch, and pressure by using optical method
- Developed a technique for managing various information on SNS, which gathers and analyzes objects based on natural language processing in order to recognize hot issues on SNS in real time
○ Research group 4
- Developed a device virtualization engine framework to address the redundancy of I/O stack and the problem occured by VMEXIT
- Developed a technique that analyzes the characteristics of metadata
- Developed a DRAM bank parition mechanism in multi-core
- Developed a per-process selective memory load mechanism

[Third Year]
○ Research group 1
- Developed a DLNA-based media among heterogeneous M2M device, and Screen Sharing technique
- Developed a inter-device multimedia content mirroring service based on FTP/RTSP protocol with consideration for mobility of mobile user
- Developed a hand-over management module for heterogeneous mobile network with SDN technology applied
○ Research group 2
- Built a system that enables sharing multimedia contents by exploiting cloud-based M2M gateway based on analysis on M2M device and multimedia contents, and streaming and distributed storing
- Developed a light-weight cloud platform exploiting application-level virtualization for off-loading services
- Developed an environment that efficiently manages parallel processes of data nodes in smart TV by developing module for efficiently managing GPU memory access by parallel processes
○ Research group 3
- Developed a recommendation system based on user-realted information and other information such that similarities recognized in specific patterns within the topic and between topics
- Developed a virtual haptic mechanism to provide a feedback without actual physical touching
- Developed a technique for managing synonyms and related words by graphing objects gathered from broadcasting and SNS, and connecting related objects within the graph
○ Research group 4
- Developed a framework that enables direct access to GPU by setup I/O request queue in between virtual machine and host emulation in order to eliminate overhead due to VMEXIT when requesting I/O
- Built a cloud-based integrated file system that contains local cache to enable caching in page or file unit
- Developed a runtime scheduler, QPRjs, which dynamically optimizes parallelism with satisfying QoS by applying WebCL
- Developed a scheduling mechanism called RC-SMT, which only allows limited number of GPU core in accordance with priority based on core budget

[Fourth Year]
○ Research group 1
- Developed a server that converts user's personal data and content data into statistical data, and a client that visualizes those data on smart TV
- Developed an algorithm that predicts the destination location of user by cumulating user's movement pattern, makes successful hand-over with higher probability using the prediction
- Developed a content naming header compression technique for low power communication of M2M devices
- Developed a network management technique that minimizes the collision between devices by using slot allocation after analyzing space information of M2M device, which passes through multiple gateway due to its mobility
○ Research group 2
- Designed a storage/network usage value model based on tagging system, which the newly developed multimedia file management algorithm exploits
- Designed a off-loading framework architecture for multimedia data processing
- Improved the performance of cloud by applying the parameter value that maximizes the parallelism in Hadoop-based smart TV cloud
○ Research group 3
- Developed a content recommendation system that exploits SNS-based evaluation of user's preference
- Developed two types of remote character input methods using fingers (SlideType, FlyType)
- Developed a system that recognizes the broadcasting program information and emotions of program object by referencing emotion dictionary
○ Research group 4
- Developed a dynamic memory allocation technique that predicts memory usage by analyzing workloads of virtual machine
- Developed an integrated memory system that combines DRAM and SCM exploiting page replacement mechanism by taking life cycle of write into account
- Developed a workload and power resource allocation mechanism for single-chip heterogeneous processor containing both CPU and GPU
- Developed a memory deduplication mechanism to help minimizing power consumption in android workload in accordance with memory usage statistics, and improved event fairness and the response time of Node.js by using parallized callback

[Fifth Year]
○ Research group 1
- Developed a loss recovery technique for CoAP block request in order to provider improved streaming service
- Developed a user movement pattern prediction algorithm for content hand-over between heterogeneous devices
- Developed a data transfer protocol that are limited to network environment and topology
- Developed an interference prevention technique for heterogeneous network by applying broadcast scheduling mechanism with allocated time slot to devices that connected to gateway
○ Research group 2
- Built an integrated file system that combines cloud storage and storages of smart devices at home into uniform system
- Developed a VM-node mapping algorithm with consideration for performance and energy efficiency by analyzing characteristics of workload in order to deploy the VM with optimal performance and energy efficiency
- Developed a Javascript-to-asm.js compiler for javascript acceleration
- Developed a technique to improve the efficiency of ouput program by increasing the usage utilization of storage used in heterogeneous cloud system
○ Research group 3
- Developed a content recommendation system based on life log similarity and intention and preference on content
- Developed a cylindrical touch device, TouchRoller, that is a suitable remote controller for TV GUI
- Developed a content topic and emotion recognition system
○ Research group 4
- Developed a non-sharing/sharing memory profiler based virtual machine migration technique
- Developed a storage device access pattern detection tool that identifies semantic information of blu-ray file system and information of I/O requested process
- Developed a GPU register file architecture that dynamically adjust the cell conserve time of eDRAM and automatically manages approximation information
- Developed Style Resolution optimization technique (Style Applying de-duplication, Hardware Inline Caching, Property Access Memorization)

목차 Contents

• 표지 ... 1
• 제출문 ... 2
• 보고서 요약서 ... 3
• 연구개발사업 주요 연구성과 ... 4
• 국문 요약문 ... 5
• 영문 요약문 ... 15
• 목차 ... 25
• 제1장. 연구개발과제의 개요 ... 26
• 1. 연구개발 목적 ... 26
• 2. 연구개발의 필요성 ... 27
• 3. 연구개발 범위 ... 29
• 제2장. 국내외 기술 개발 현황 ... 31
• 1. 국내·외 기술현황 ... 31
• 2. 국내·외 경쟁기관 현황 ... 34
• 제3장. 연구 수행 내용 및 성과 ... 37
• 1. 1차년도 ... 37
• 2. 2차년도 ... 45
• 3. 3차년도 ... 53
• 4. 4차년도 ... 61
• 제4장. 목표 달성도 및 관련 분야 기여도 ... 77
• 1. 목표 달성도 ... 77
• 2. 관련 분야 기여도 ... 93
• 제5장. 연구개발성과의 활용계획 ... 94
• 1. 연구개발성과 확산 계획 ... 94
• 2. 시제품 활용 계획 ... 95
• 3. 기술이전 확장 계획 ... 98
• 제6장. 연구 과정에서 수집한 해외 과학기술 정보 ... 101
• 1. 국외 연구자 초정 세미나 및 기술 자문 ... 101
• 2. 국외 SW 기술 리버스 엔지니어링 및 소스 코드 분석 ... 102
• 3. 국외 학술대회, 표준화 회의 및 공동 연구 기관 방문 ... 103
• 제7장. 연구개발성과의 보안등급 ... 105
• 제8장. 국가과학기술종합정보시스템에 등록한 연구시설·장비 현황 ... 105
• 제9장. 연구개발과제 수행에 따른 연구실 등의 안전 조치 이행 실적 ... 106
• 1. 안전점검활동 ... 106
• 2. 교육훈련 ... 107
• 제10장. 연구개발과제의 대표적 연구 실적 ... 108
• 제11장. 기타 사항 ... 108
• 제12장. 참고 문헌 ... 109
• 붙임1. 자체 보안관리 진단표 ... 113
• 붙임2. 연구실 안전조치 이행표 ... 114
• 끝페이지 ... 115