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The Hardware Design of Effective Deblocking Filter for HEVC Encoder (HEVC 부호기를 위한 효율적인 디블록킹 하드웨어 설계)

  • Park, Jae-Ha;Park, Seung-yong;Ryoo, Kwang-ki
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2014.10a
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    • pp.755-758
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    • 2014
  • In this paper, we propose effective Deblocking Filter hardware architecture for High Efficiency Video Coding encoder. we propose Deblocking Filter hardware architecture with less processing time, filter ordering for low area design, effective memory architecture and four-pipeline for a high performance HEVC(High Efficiency Video Coding) encoder. Proposed filter ordering can be used to reduce delay according to preprocessing. It can be used for realtime single-port SRAM read and write. it can be used in parallel processing by using two filters. Using 10 memory is effective for solving the hazard caused by a single-port SRAM. Also the proposed filter can be used in low-voltage design by using clock gating architecture in 4-pipeline. The proposed Deblocking Filter encoder architecture is designed by Verilog HDL, and implemented by 100k logic gates in TSMC $0.18{\mu}m$ process. At 150MHz, the proposed Deblocking Filter encoder can support 4K Ultra HD video encoding at 30fps, and can be operated at a maximum speed of 200MHz.

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Development and validation of Speech Range Profile task (발화범위 프로파일 과제 개발 및 타당성 검증)

  • Kim, Jaeock;Lee, Seung Jin
    • Phonetics and Speech Sciences
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    • v.11 no.3
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    • pp.77-87
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    • 2019
  • The study aimed to develop Speech Range Profile (SRP) and to examine and validate its clinical application. Forty-five participants without voice disorders aged 18-29 years were compared using SRP and Voice Range Profile (VRP). The authors developed the "Fire!" paragraph as a SRP task compromising 14 sentences including all Korean spoken phonemes and sentence types. To compare SRP and VRP results, the participants read the paragraph (reading) and counted from 21 to 30 (counting) as a part of SRP tasks, and produced a vowel /a/ from low to high frequencies (gliding) and a shortened form of the VRP as a part of VRP tasks. $F0_{max}$, $F0_{min}$, $F0_{range}$, $I_{max}$, $I_{min}$, and $I_{range}$ for each task were measured and compared, showing that $F0_{max}$, $F0_{min}$, $F0_{range}$, $I_{max}$, and $I_{range}$ were not different between reading and gliding. $I_{min}$, had the lowest value in counting. It is concluded that the newly developed SRP task, reading the "Fire" paragraph, can yield a maximum phonation range similar to that found by VRP. Therefore, it is expected that voice evaluation can be effectively performed in a relatively short time by applying SRP with the "Fire" paragraph, a functional utterance task, in place of VRP, which may be difficult to measure long term or in cases of severe voice disorders.

A Study on the Revitalization of Military Libraries (병영도서관 활성화 방안에 관한 연구)

  • Noh, Younghee;Kwak, Woojung
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.30 no.3
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    • pp.31-57
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    • 2019
  • This study is to suggest the revitalization plan of military libraries, on the basis of analysis for the military library status and the results of a survey and interview with soldiers and working staff in the military libraries. To this end, first, it analyzes study trends in the operation and revitalization plan of the military libraries based on the preceding research analysis and investigates and analyzes the operation of the military libraries. Second, it identifies problems in the operation of the military libraries by comparing and analyzing between the operation of domestic military libraries and the best cases as well as the operation situation of the overseas military libraries. Third, it suggests the revitalization plan by holistically analyzing the situation and the best cases of the military libraries while finding out the problems through interviews and questionnaires. According to the analysis, first, it is necessary to expand the number of exclusive personnel with librarian qualifications and prepare standards for the placement of librarians. Second, it is necessary to develop online education to provide regular operation education for the personnel of the military libraries. Third, it is necessary to develop common manuals for working staff. Fourth, it is necessary to prepare the plan to expand the preference books of soldiers to increase reading and usage rate of the military libraries. Fifth, it is necessary to construct library space in the form of a book cafe for soldiers' knowledge development and relaxation and to locate the library in a highly accessible place. Lastly, it needs to develop the application of the military library and should lead to high interest in libraries by letting soldiers read books and post book reviews on it after work.

Research of private landscape architecture of the Tang Era in ancient China -based on excavated excellent articles and a book <洛陽名園記> called Nakyangmyungwonki- (중국 고대 당대(唐代) 민간 조경[사가원림(私家圓林)] 연구 - 출토된 명기(明器)와 낙양명원기를 중심으로 -)

  • Park, Kyung-Ja
    • Korean Journal of Heritage: History & Science
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    • v.38
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    • pp.285-303
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    • 2005
  • Through the excavated excellent articles of the Tang era, we have considered the building techniques and styles of a square pavilion, an octagonal pavilion, a miniature hill, a pond, etc., could read building techniques of the scenic structures on ancient literatures including records and additionally about their poetical life at that time and inquired into the arrangement, structure, building techniques, etc. of a miniature hill, a pond, a pavilion, a flowerplant, etc., on Nakyangmyungwonki. Thus, under the research on the private landscape architecture, especially the nobility gardening, around excavated excellent articles and literatures, 'A miniature hill(假山) and a pond for landscaping views formed the center of a garden, and additionally a pavilion was built and flowerplants were set. The miniature hill of laying stones and having a carven, steeping, stratifying, looking like dyed green and birds' singing among hills and eating water on the lakeshore${\ldots}$' was expressed. The pond of digging in the ground and conducting water had its water system developed. There were several kinds of pavilions such as 廳, 堂, 館, 亭, 臺, 樓, 閣, 榭, etc. As examples of landscaping plants, there were a bamboo, a lotus flower, a peony, aromatic trees a pine, a korean spindle tree, a big cone pine, an empress tree, a wild walnut, a peach, a plum, a Japanese apricot tree, an apricot tree, a chrysanthemum, arrowroot vines, etc. Thus, the garden of the Tang era, abundant, diverse and excellent, enjoyed the prime of the period of prosperity. Due to cultural exchange, it is supposed that the period of united Shilla of the same age would meet with the period of prosperity in the developmental history of Korea landscape, based on the nobility garden system '4 different dwelling-houses every season on a record "四節游宅"'.

Fine mapping of rice bacterial leaf blight resistance loci on K1 and K2 of Korean races of Xoo (Xanthomonas oryzae) using GWAS analysis

  • Hyeon, Do-Yun;Lee, Jeong-Ro;Jo, Gyu-Taek;Raveendar, Sebastin;Sin, Myeong-Jae;Lee, Gyeong-Jun
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2019.04a
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    • pp.62-62
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    • 2019
  • Bacterial leaf blight(BLB), caused by X. oryzae pv. oryzae(Xoo), is one of the most destructive diseases of rice due to its high epidemic potential. Understanding BLB resistance at a genetic level is important to further improve the rice breeding that provides one of the best approaches to control BLB disease. In the present investigation, a collection of 192 accessions was used in the genome-wide association study (GWAS) for BLB resistance loci against four Korean races of Xoo that were represented by the prevailing BLB isolates under Xoo differential system. A total of 192 accessions of rice germplasm were selected on the basis of the bioassay using four isolated races of Xoo such as K1 and K2. The selected accessions was used to prepare 384-plex genotyping by sequencing (GBS) libraries and Illumina HiSeq 2000 pairedend read was used for GBS sequencing. GWAS was conducted using TASSEL 5.0. The TASSEL program uses a mixed linear model (MLM). The results of the bioassay using a selected set of 192 accessions showed that a large number of accessions (93.75%) were resistant to K1 race and K2 resistant germplasm proportion remained between 66.67. The genotypic data produced SNP matrix for a total of 293,379 SNPs. After imputation the missing data was removed, which exhibited 34,724 SNPs for association analysis. GWAS results showed strong signals of association at a threshold of [-log10(P-value)] more than 5 (K1 and K2) for nine of the 39 SNPs, which are plausible candidate loci of resistance genes. These SNP loci were positioned on rice chromosome 2, 9, and 11 for K1 and K2 races. The significant loci detected have also been illustrated and make the CPAS markers for NBS-LRR type disease resistance protein, SNARE domain containing protein, Histone deacetylase 19, NADP-dependent oxidoreductase, and other expressed and unknown proteins. Our results provide a better understanding of the distribution of genetic variation of BLB resistance to Korean pathogen races and breeding of resistant rice.

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A Study on structures of Archival Contents for Teaching-Learning Materials-Focusing on the TNA of UK and the NARA of USA (교수·학습자료용 기록정보콘텐츠의 구조에 관한 연구 -영국 TNA와 미국 NARA를 중심으로)

  • Lee, Eun-Yeong
    • The Korean Journal of Archival Studies
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    • no.28
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    • pp.83-121
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    • 2011
  • Archival contents service for education is now a major service program in a foreign National Archives. Therefore We need to study their archival contents services in more depth-analysis methods for the development of our contents. My study is based on the summary of the Homepage Sites for Education of the TNA of UK and the NARA of USA. And also a depth-case study on structures of the samples, 'Coldwar' contents of the TNA and the 'McCarthy' contents of the NARA. As a results, first, the formats of archival contents for teaching-learning materials should be in consistent contents structures like a standard textbooks. Second, archival contents service for teaching-learning materials certainly have to support original images of primary resources and educational kits in order to read easily primary sources. Third, given the costs of development, it's desirable for archive to develop archival contents for teaching-learning materials in the way of cross-use by age and curriculum. Forth, when selecting primary sources for teaching-learning materials, priorities have to be given to the text-sources in the light of learning purposes for history education. Fifth, National archives must develop archival contents for teaching-learning materials in connection with standard curriculums in order to promote a nation-wide use.

Meaning and Value Analysis of Records of Laos Renewable Energy Support Activities Collection (라오스 재생가능에너지 지원활동 컬렉션의 의미와 가치 연구)

  • Ju, Hyun Mi;Yim, Jin Hee
    • The Korean Journal of Archival Studies
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    • no.51
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    • pp.45-87
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    • 2017
  • In recent years, there were some who have conducted research on deriving the social and historical meanings of records through the analysis of specific records collections. This trend is an attempt to pay attention to human actions in the society and to read the society again through the records created by such actions. In this study, I derive various meanings and values of these records through the analysis of the "Laos Renewable Energy Support Activities" collection. Moreover, I study how the collection was reconstructed by the Human and Memory Archives. The "Laos Renewable Energy Support Activities" is the personal record of the donor who led the project, and contains the process and results of the project. Through this collection, I was able to look at the life of the donor as a foreign aid activist in Laos and realized his values. Furthermore, through the business process record, I was able to discover the implications of climate change response overseas aid projects. In addition, I was able to look at the culture and environment of Laos through the eyes of the donor who has been residing there for a long time.

Analysis of Global Volcanic Activity during 2018 (2018년 지구에서 분화한 화산 활동 분석)

  • Yun, Sung-Hyo;Ban, Yong-Boo;Chang, Cheolwoo
    • The Journal of the Petrological Society of Korea
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    • v.28 no.1
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    • pp.39-52
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    • 2019
  • Volcanic activity, which can read to various danger and hazards to human life, has been part of the Earth's history for a long time. There are approximately 1,520 volcanoes during the Holocene period (about 10,000 years ago) that have been active on Earth. Recently, there are about 210 volcanoes have been recorded since 2010. Meanwhile, there are 83 known active volcanoes in 2018 based on the USGS data. Approximately 80-90 volcanoes are active on Earth for over a year. More than 90% of these volcanoes are located on the circum-Pacific volcanic belt, commonly known as 'Ring of Fire'. This high number of active volcanoes within this area coincides with the distribution maps of active volcanoes on the earth: about 80% on subduction zone of the convergent plate boundaries; 15% on divergent plate boundaries and 5% on intra-plate zone. Five volcanoes are most active during the survey period of 51 weeks: 50 times in Aira (Japan), 49 times in Sabankaya (Peru), 49 times in Sheveluch (Russia), 44 times in Ebeko (Russia) and 40 times in Kirishimayama (Japan). Based on the available data about volcanic activity, there is no significant change in volcanic activity and similar levels of volcanic activity is observed every year.

A Study on Personal Everyday Records in On Kawara's Works (온 카와라(On Kawara) 작품에 나타난 개인의 일상기록 연구)

  • Lee, Hye Rin;Park, Ju Seok
    • The Korean Journal of Archival Studies
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    • no.49
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    • pp.213-246
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    • 2016
  • On Kawara's works are not only artworks but are also his personal daily records. He produced many artworks whose theme centered on his everyday life, a plan that he had precisely made. He selected several specific themes from his daily life: when and where he met someone, what he read, and where he traveled. Kawara constantly recorded his daily life using various types of unconventional medium: maps, postcards, and telegrams. Although he was occupied with recording his everyday life, he was also active in forming public opinions on various issues through social media. Kawara's works, which exhibit a distinctive characteristic of himself, could be classified as individual records because it includes an individual's daily life and selected issues. His artworks express concern for or expose the irrationality of his society, which encourages ordinary people to let their voices be heard and take part in public affairs. Thus, his works function not just as art but also as precious historical records.

A Case Study on the Game Behavior of Medical School Students (의과대학생들의 게임행위에 관한 사례연구)

  • Cha, Myeong-Hee;Sang, Chong-Ryel
    • Journal of the Korea Convergence Society
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    • v.10 no.5
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    • pp.279-286
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    • 2019
  • The purpose of this study is to explore what causes medical college students to play games they will play and use them as academic foundation material. And lay a complex foundation for game addicts. To achieve this objective, an approach was taken as a method of exploratory case study. The participants in the study were recruited by their consent at the R meeting of the College of Medicine. Data collection was collected through a one-on-one interview with FGI. The data analysis was read repeatedly and classified into semantic units to derive the essential meaning. The study produced two essential topics and seven revealed topics. It is 'my job to play games' and 'know the importance of discrimination.'According to the analysis, the game behavior played by medical students was able to quit due to the self-efficacy experienced during the course of growth. When one's expectations were met and self-strengthened, one could see that self-control was possible through self-efficacy. It suggested that measures for sound game culture and complex strategy should be explored and measures to improve self-efficacy should be explored.