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전체 선택해제
총 168건 검색
본문검색 결과만 보기
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An Optimal Selection of Frame Skip and Spatial Quantization for Low Bit Rate Video Coding
Bu. So-Young, Lee. Byung-Uk 한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 통신이론 및 시스템 6 Pages
한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 통신이론 및 시스템 2004, Vol.29 842-847 (6 pages)
본 논문에서는 낮은 전송률에서 공간적 시간적 해상도를 tradeoff하는 새로운 비디오 코딩 알고리듬을 제안한다. 먼저 영상의 움직임을 측정하여 최적의 frame rate를 선택한다. DCT quantization parameter (QP)는 앞에서 결정된 frame rate와 주어진 bit rate에 따라 결정한다. 마지막으로, 본 논문은 skip된 비디오 영상에 대해 단순하고 효과적인 distortion 측정방법을 제안한다. 실험결과, 제안한 알고리듬이 H.263 TMN5 보다 영상 품질이 2 ㏈ 정도 개선되었다. -
A Facial Image Segmentation for Video Coding and its Recognition Based on DWT
Lim. Chun-Hwan, Park. Jong-An 한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 네트워크 및 서비스 9 Pages
한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 네트워크 및 서비스 2001, Vol.26 338-346 (9 pages)
이 논문에서는 잡음에 대해 유연성이 있는 신경망과 차영상법-DCT를 이용한 얼굴인식 알고리즘을 제안한다. 동일환경(조도의 세기, 얼굴에서 카메라까지의 거리)에서 연속적으로 두 개의 영상을 캡쳐했다. 이 때 한 영상은 얼굴을 포함하지 않고 다른 영상은 얼굴을 포함하게 된다. 차영상 방법을 이용하여 두 개의 이미지로부터 얼굴영상과 배경영상을 분리하고 그 다움에 분리된 얼굴영역에서 사각영역을 추출하여 이 영역을 얼굴의 특징영역으로 이용하였다. 이 사각 영역은 눈, 코, 입, 눈썹 등이 포함된다. 다음으로 이 영역에 대해... -
Efficient Mode Decision Algorithm Based on Spatial, Temporal, and Inter-layer Rate-Distortion Correlation Coefficients for Scalable Video Coding
Wang. Po-Chun, Li. Gwo-Long, Huang. Shu-Fen, Chen. Mei-Juan, Lin. Shih-Chien 한국전자통신연구원 ETRI journal 11 Pages
한국전자통신연구원 ETRI journal 2010, Vol.32 No.4 577-587 (11 pages)
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Reducing Decoding Complexity by Improving Motion Field Using Bicubic and Lanczos Interpolation Techniques in Wyner-Ziv Video Coding
Widyantara. I Made O., Wirawan. Wirawan, Hendrantoro. Gamantyo 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 19 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2012, Vol.6 No.9 2351-2369 (19 pages)
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Development of Play in Pre-Schoolers: Video-Based Analysis of Free and Structured Toy Play Scenario
Megha Mohan, Reenu Celshiya. A, Jayashree S. Bhat 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 23 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2022, Vol.16 No.3 3 47-69 (23 pages)
the free and structured play scenario in South India. The sample included 48 pre-school children, aged between 3.6 to 5.6 years. Children’s play was recorded in two scenarios, which included free Play (spontaneous Play without any restrictions) and structured toy play (restriction of toy usage limited to the four types of toys provided by investigator), in the classroom settings. The data was analysed using the coding scheme that was adapted by combining two existing standardised play scales... -
Efficient Distributed Video Coding System without Feedback Channel
Moon. Hak-Soo, Lee. Chang-Woo, Lee. Seong-Won 한국통신학회 한국통신학회논문지. The journal of Korea Information and Communications Society. 무선통신 11 Pages
한국통신학회 한국통신학회논문지. The journal of Korea Information and Communications Society. 무선통신 2012, No.0 1043-1053 (11 pages)
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GOP Adaptation Coding of H.264/SVC Based on Precise Positions of Video Cuts
Liu. Yunpeng, Wang. Renfang, Xu. Huixia, Sun. Dechao 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 15 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2014, Vol.8 No.7 2449-2463 (15 pages)
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Optimizing the Joint Source/Network Coding for Video Streaming over Multi-hop Wireless Networks
Cui. Huali, Qian. Depei, Zhang. Xingjun, You. Ilsun, Dong. Xiaoshe 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 19 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2013, Vol.7 No.4 800-818 (19 pages)
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Adaptive Combined Scalable Video Coding over MIMO-OFDM Systems using Partial Channel State Information
Rantelobo. Kalvein, Wirawan. Wirawan, Hendrantoro. Gamantyo, Affandi. Achmad, Zhao. Hua-An 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 20 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2013, Vol.7 No.12 3200-3219 (20 pages)
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Fast Mode Decision For Depth Video Coding Based On Depth Segmentation
Wang. Yequn, Peng. Zongju, Jiang. Gangyi, Yu. Mei, Shao. Feng 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 12 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2012, Vol.6 No.4 1128-1139 (12 pages)
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Joint Spatial-Temporal Quality Improvement Scheme for H.264 Low Bit Rate Video Coding via Adaptive Frameskip
Cui. Ziguan, Gan. Zongliang, Zhu. Xiuchang 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 20 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2012, Vol.6 No.1 426-445 (20 pages)
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Low-Complexity Motion Estimation for H.264/AVC Through Perceptual Video Coding
An. Byoung-Man, Kim. Young-Seop, Kwon. Oh-Jin 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 13 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2011, Vol.5 No.8 1444-1456 (13 pages)
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Fast Macroblock Mode Selection Algorithm for B Frames in Multiview Video Coding
Yu. Mei, He. Ping, Peng. Zongju, Zhang. Yun, Si. Yuehou, Jiang. Gangyi 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 20 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2011, Vol.5 No.2 408-427 (20 pages)
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Distributed Video Coding for Illumination Compensation of Multi-view Video
Park. Sean-Ae, Sim. Dong-Gyu, Jeon. Byeung-Woo 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 15 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2010, Vol.4 No.6 1222-1236 (15 pages)
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Fast LDPC Decoding using Bit Plane Correlation in Wyner-Ziv Video Coding
오양근, 심혁재, 전병우, Oh. Ryanggeun, Shim. Hiuk Jae, Jeon. Byeungwoo 대한전자공학회 Journal of the Institute of Electronics and Information Engineers 13 Pages
대한전자공학회 Journal of the Institute of Electronics and Information Engineers 2014, Vol.51 No.4 160-172 (13 pages)
와이너 지브(Wyner-Ziv) 비디오 압축은 리소스 제한적인 부호화기를 사용하는 다양한 어플리케이션에 있어 상당히 유용하지만, 와이너 지브 복호화기는 상당량의 복잡도를 요구하는 문제점을 가지고 있다. 이러한 복잡도의 주요 원인으로는 LDPC 채널 복호과정을 꼽을 수 있는데, 이는 점진적으로 요구되는 패리티량에 따라 매번 반복적인 채널 복호과정을 거치기 때문이라 할 수 있다. 본 논문에서는 이러한 복잡도의 문제를 해결하기 위해 비트 플레인을 두 개의 그룹으로 나누고, 각 그룹의 패리티 요구량의 예측치를 비트 플레인 간의... -
Simplified DC Calculation Method for Simplified Depth Coding Mode of 3D High Efficiency Video Coding
Jo. Hyunho, Lee. Jin Young, Choi. Byeongdoo, Sim. Donggyu 대한전자공학회 Journal of the Institute of Electronics and Information Engineers 5 Pages
대한전자공학회 Journal of the Institute of Electronics and Information Engineers 2014, Vol.51 No.3 139-143 (5 pages)
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Analysis of Operation and Development of Online Learning Systems for Software Education
Han Sun-Gwan 경인교육대학교 교육연구원 The Journal of Education 14 Pages
경인교육대학교 교육연구원 The Journal of Education 2019, Vol.2 No.1 1 1-14 (14 pages)
users have been steadily increasing since 2016. The average monthly number of users in 2016 was 3,056, and 3,463 in 2017, 4,365 monthly averages in 2018, which is an annual increase. As a result of detailed analysis, users increased in June and November. This shows that elementary and junior high school students have used the system as a pre-vacation activity. To expand the base of Software Education, online learning system by developing in this study is expected to present a number of roles. -
The Molecular Basis and Physiological Implications of Red Cell Deformability
Chien, Shu 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1991, 제 25권 제 2호 1 101-114 (14 pages)
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An Effective and Innovative Streaming Model for Videos in Mobile Computing
Edward E. Pingoy, Osvaldo Gervasi 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 8 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2013, 제 3권 제 1호 4 25-32 (8 pages)
along with time-varying link conditions, such as long buffering time and intermittent disruptions. In this paper we propose to develop a new mobile video framework, labeled as AMES-Cloud, which is divided into two main parts: AMoV (adaptive mobile video streaming) and EsoV (Efficient social video sharing). AMoV and EsoV build up the third party agent to provide efficient video streaming services for every mobile user. The AMoV and WSoV will provide the different types of features like, based on... -
The Appreciation and Experience of Digital Images- Critical Review of Use of Digital Images in Museum Environment -
Bokyung Koo 한국조형교육학회 조형교육 29 Pages
한국조형교육학회 조형교육 2009, 제 34집 2 1-29 (29 pages)
and young adults, have responded enthusiastically to interactive exhibits, even coming to expect them as integral part of the museum experience (Falk & Dierking, 2000). Curators supporting the new technology argue that such innovations offer flexibility and new solution to the problem of representing complex ideas and processes. Researchers in the museum field agree that new technologies can transform the ability of museum visitors and museum professionals to interact with museum objects. -
Conceptualizing the Creative Process of Narrative Video Making:A Cross-Case Discussion of Three Learners’ Process
Jiyeon Lee 한국조형교육학회 조형교육 25 Pages
한국조형교육학회 조형교육 2013, 제 46집 15 361-385 (25 pages)
media education is increasingly being “defined, designed, and taught in K-12 schools not by art teachers” but by media educators, English teachers, and computer teachers (Delacruz, 2009, p. 16). Thus, I explored the possibilities of narrative video production in art education, and oriented my research to artistic and meaningful narrative video production, even though there were other possible approaches to communicate using digital technology and many different ways to create digital media. -
Group Music Activities in Chinese Kindergartens: Children’s Engagement and Teacher Perspectives
Natalie Robertson, Hoi Yin Bonnie Yim, Louise Paatsch 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 24 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2022, Vol.16 No.2 3 49-72 (24 pages)
to collect and analyse data. Observations of 1085 children’s engagement in group music activities were conducted. A survey and interviews gathered the perspectives of 89 teacher participants about music curriculum practices that engage children. The findings showed that the percentage of children engaged in group music activities was relatively high across the 44 classrooms. Teachers’ perspectives of music curriculum practices demonstrated an appreciation of play-based pedagogies to engage... -
A Critical Reconstruction of Caring Acts between Korean Mothers and Children during Their Play Activities
Jieun Choi 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 19 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2020, Vol.14 No.1 7 149-167 (19 pages)
by both child and mother during their play activities, this qualitative study examines Korean mother-child play interactions from a critical perspective through the basis on the typology of caring acts (Korth, 2003). For this purpose, two Korean motherchild dyads who are living in the U.S. were recruited. Observations of play activities of the two mother-child dyads and face-to-face in-depth individual interviews with two mothers were conducted for seven months. The results suggest that Korean... -
The Complexity of Preschool Children’s Dramatic Play Behaviour and Play Styles in Australia: A Mixed Methods Study
Natalie Robertson 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 22 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2016, Vol.10 No.2 5 71-92 (22 pages)
Dramatic play is recognised as an important source of learning and development for preschool children, yet there are increasing reports that the quality of dramatic play is declining. This paper aims to report on the findings of a mixed method study that examined the constructs of Australian preschool children’s dramatic play behaviour. Video observations and the Smilansky Scale for the Evaluation of Dramatic and Socio-Dramatic Play (Smilanksy & Shefatya, 1990) were used with 101 preschool... -
Teaching Chinese Literacy in the Early Years: A Comparison of L1 and L2 Preschool Classrooms in Shenzhen and Singapore
Hui Li 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 25 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2013, Vol.7 No.3 2 19-43 (25 pages)
for a total of 180 hours, and the 12 Chinese teachers were surveyed and interviewed about the beliefs underpinning their teaching of literacy. A similar pattern of Chinese literacy pedagogy was shared by L1 and L2 classrooms, with whole class direct instruction/interaction being the dominant mode. A belief-practice gap was found: Although the teachers believed in balanced approaches to teaching Chinese literacy, they predominantly engaged in traditional, instructional practice. In L2 Singapore... -
Young Learners: Teachers’ Questions and Prompts as Opportunities for Children’s Language Development
Janet Scull, Louise Paatsch, Bridie Raban 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 23 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2013, Vol.7 No.1 4 69-91 (23 pages)
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A Preschool Teacher’s Action Research Using a Combination of Hands-On Manipulatives and Computer Software to Help Preschoolers Understand Number Concepts
Yong Joon Park 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 33 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2012, Vol.6 No.1 5 85-117 (33 pages)
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Differences of children’s verbal interaction in peer collaboration according to age, gender, and pairing conditions
Jeong Hwa Lee, Jeong Eon Park 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 17 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2009, Vol.3 No.2 6 105-121 (17 pages)
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Grounded Theory Analysis of the Awareness of Participation and Behavior in Virtual English Classes
Lim Juyoung 한국교육학회 교육학연구 30 Pages
한국교육학회 교육학연구 2021, 59권 7호 5 107-136 (30 pages)
on core categories with open, axis, and selective coding. Findings showed that, 20 students made an effort in interactive communication through the virtual lessons, and their feelings changed from skepticism towards their virtual-learning college experiences to seek their learning motivation and the meaning of self-realization in virtual English conversation classes. In addition, interactive strategies were required in seeking bi-directional communicative methods to improve students’ learning...
