• Title/Summary/Keyword: shape restoration

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Consideration of Sri Lanka Stupa Type (스리랑카 불탑 형식에 대한 고찰)

  • Her, Jihye;Cheon, Deuk Youm
    • Journal of architectural history
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    • v.24 no.6
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    • pp.57-66
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    • 2015
  • As Sri Lanka Stupa had been affected by Indian stupa directly, understanding Sri Lanka Stupa is important to know about the flow of Buddhist Art History, which is showing the variation of Initial Buddhist stupa. Due to invasions and disasters, all Sri Lanka's Stupa collapsed and became random mound. After restoration works, Stupa shape changed dramatically from the Initial shape to Existing shape. Since it is hard to find out how Initial stupas were like, Sanchi Stupa needed to be an example for the comparative study as an Initial shape. Sri Lanka Stupa have Square foundation and 3 Basal rings that are supporting the Main Dome. Entrances are on all 4 sides, Railing and Torana(gate) has never found in Sri Lanka stupa. Sri Lanka stupa has been classified with the shape of Dome into 6~8 types according to "Vijayanta Potha", the Ancient Buddhist Description, and described by several researchers confusingly. With the inconvenience of using unfamiliar words and irrational gap between the Initial Sri Lanka stupa and Existing Sri Lanka stupa, proposing new classification of Sri Lanka Stupa is necessary. Existing Sri Lanka Stupa can be classified into 4 types : which is (1)Bell type, (2)Pot type, (3)Mound type, (4)Bubble type. This suggestion is for further studies to use Easier and shorter words to describe the types and make it reasonable to use, since the current classification includes 3 stupa types even there is no case for any of them. Restrict Stupa Classifications within existing Sri Lanka Stupa is needed because the current classification had been continued for hundreds of years without any adjustments. Bell type is mainly located in Anuradhapura. Pot type and Mound type is only found in limited area, and Bubble type is located in most area of Sri Lanka.

Identifying the Change of Urban Stream Bed Using Real-time Beacon DGPS (실시간 beacon DGPS를 이용한 도시하천의 하상변화 파악)

  • Lee, Kyoo-Seock;Lee, Sang-Hwa;Shin, Dong Hoon;Ahn, Seung-Mahn;Suh, Byung-Key
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.6 no.1
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    • pp.51-56
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    • 2003
  • The urban stream include the channel and its adjacent banks, or hillslopes and it consists of various landscape elements. The riparian ecosystem is important to people. Its water is extracted for irrigation and drinking supplies. Biodiversity and many wetland species are protected here. The riparian ecosystem is diverse and needs to be preserved well. So, it is necessary to measure the features of the urban stream accurately to figure out the change of the riparian ecosystem. However, the traditional Electronic Distance Measurement(EDM) surveying is difficult to measure the curvilinear features of the stream - e, g, angle, curve. The beacon Differential Global Positioning System(DGPS) can handle to measure the curvilinear shape. Therefore, the purpose of this study is to measure the change of the river bed in urban stream accurately using realtime beacon DGPS, and ultimately to provide the basic data for identifying the change of the river ecosystem.

Assessment of Diversity of Forest Structure in Gunja-Dong, Siheung City, Korea (시흥시 군자동 일대 산림 구조의 다양성 평가)

  • Ryu, Ji-Eun;Kang, Jong-Hyun;Lee, Dong-Kun
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.14 no.1
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    • pp.23-33
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    • 2011
  • Habitats loss and fragmentation are major threats to biodiversity. There are various kinds of environmental assessment have been developed for various problems to solve. Yet, there are no well-developed methods for quantifying and predicting about biodiversity. To achieve a sustainable conservation for biodiversity, the structural diversity of forest must be assessed by proper indexes. This study aim to quantitatively assess the diversity of forest structure as habitats and results of the verification by bird survey for objective presentation of evidence. As a result of literature review, some indexes were selected as potential prediction tools for biodiversity; area of patch, area of core regions, shape of patch and average age of stand. The assessment results were estimated by monitoring of birds for accuracy verification and the results were almost in agreement with each others. But, 1 and 2 level of forests were showed ambiguous results. Certainly, this study was limited in some valuation indexes on landscape scale. Further studies should be considered that different environmental factors such as land use, disturbances by human and vegetation index. Also, we expect that the additional monitoring of birds should give rise to the result which is improved assessment results.

Key-word Recognition System using Signification Analysis and Morphological Analysis (의미 분석과 형태소 분석을 이용한 핵심어 인식 시스템)

  • Ahn, Chan-Shik;Oh, Sang-Yeob
    • Journal of Korea Multimedia Society
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    • v.13 no.11
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    • pp.1586-1593
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    • 2010
  • Vocabulary recognition error correction method has probabilistic pattern matting and dynamic pattern matting. In it's a sentences to based on key-word by semantic analysis. Therefore it has problem with key-word not semantic analysis for morphological changes shape. Recognition rate improve of vocabulary unrecognized reduced this paper is propose. In syllable restoration algorithm find out semantic of a phoneme recognized by a phoneme semantic analysis process. Using to sentences restoration that morphological analysis and morphological analysis. Find out error correction rate using phoneme likelihood and confidence for system parse. When vocabulary recognition perform error correction for error proved vocabulary. system performance comparison as a result of recognition improve represent 2.0% by method using error pattern learning and error pattern matting, vocabulary mean pattern base on method.

A STUDY ON THE EFFECTS OF CAVITY FORMS ON FRACTURE OF AMALGAM RESTORATION IN DECIDUOUS MOALRS (유구치 와동형성이 아말감 파절에 미치는 영향에 관한 연구)

  • Ha, Dae-Song;Kim, Chong-Kwan;Lee, Jong-Gap
    • Journal of the korean academy of Pediatric Dentistry
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    • v.11 no.1
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    • pp.159-167
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    • 1984
  • In this experiments, the fracture loads were measured and analysed by using of Instron universal testing machine (Model 1132). With 80 upper and lower deciduous molars that were free of dental caries. Isthmus of teeth were prepared to 1/3 and 1/4 of intercuspal width, and internal line angles with round and sharp shape, and then amalgam restoration were performed. The results of this study were as follows; 1. Resistance to fracture loads were greater with isthmus of 1/3 intercuspal width than of 1/4 intercuspal width, especially, statistically significant difference on upper and lower second deciduous molars. 2. Resistance to fracture loads were greater with rounded internal line angle than sharp internal line angle. The above results were as follows, the fracture loads had greater resistance on isthmus of 1/3 intercuspal width, and rounded internal line angle, but normal physiological occlusal forces could permit isthmus of 1/4 intercuspal width and rounded internal line angle.

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Laryngeal Transplantation in the Canine by End-to-end Anastomosis of the Recurrent Laryngeal Nerve Branches (반회신경분지의 단단문합에 의한 개의 후두이식)

  • 최홍식;김영호;조정일;김세헌;김상균;김광문;홍원표
    • Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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    • v.9 no.1
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    • pp.59-65
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    • 1998
  • Instead of brilliant advancement of the organ transplantation in the medical fields, laryngeal transplantation still has couple of problems to be solved before trial on human. Among them functional restoration of the implanted larynx is the most important point. Recent advancement in animal model studies showed possibility of solving the main problem. Eighteen cases of canine laryngeal transplantation in mongrel dogs were done in this department. One cranial artery and two external jugular veins were connected. External and internal branches of the superior layngeal nerve and anterior and posterior branches of the recurrent laryngeal nerve were connected individually. Only two dogs have lived longer than 4 weeks(4weeks, and 10 1/2weeks) and they died unfortunately due to asphixia caused by obstruction of the cannula. Thirteen dogs only lived five days through 15 days. The main causes of the failure were obstruction of the connecting vein, pharyngocutaneous fistula and the wound infection. Although the result was not good enough to evaluate the functional restoration of the implanted larynx, the implanted larynges from the two dogs lived longer than minimum criteria of long term survival(4 weeks) were relatively good in shape at the time of autopsy. This program will be continued after renovation of the animal lab. facilities.

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Esthetic rehabilitation of single anterior edentulous space using fiber-reinforced composite

  • Kim, Hyeon;Song, Min-Ju;Shin, Su-Jung;Lee, Yoon;Park, Jeong-Won
    • Restorative Dentistry and Endodontics
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    • v.39 no.3
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    • pp.220-225
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    • 2014
  • A fiber-reinforced composite (FRC) fixed prosthesis is an innovative alternative to a traditional metal restoration, as it is a conservative treatment method. This case report demonstrates a detailed procedure for restoring a missing anterior tooth with an FRC. A 44-year-old woman visited our department with an avulsed tooth that had fallen out on the previous day and was completely dry. This tooth was replanted, but it failed after one year. A semi-direct technique was used to fabricate a FRC fixed partial prosthesis for its replacement. The FRC framework and the pontic were fabricated using a duplicated cast model and nanofilled composite resin. Later on, interproximal contact, tooth shape, and shade were adjusted at chairside. This technique not only enables the clinician to replace a missing tooth immediately after extraction for minimizing esthetic problems, but it also decreases both tooth reduction and cost.

Analysis of Urban Green Areas using NDVI and Development of a Model to Analyze Bird Diversity in Urban Parks (NDVI를 활용한 도시 녹지 분석 및 도시공원 조류 종다양성 분석 모형 개발)

  • Song, Won-Kyong
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.21 no.1
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    • pp.73-82
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    • 2018
  • Urban parks are important bird habitat in cities. Various studies have evaluated the habitat function of urban parks focused on field surveys. In this study, we performed applicability of NDVI obtained from Landsat 8 OLI image as a factor for spatial planning considered bird diversity. This study was classified with green boundary into three groups using NDVI's value. Environmental variables were calculated by the green area ratio of the surrounding area from 100m to 500m at each groups. The 20 environmental variables such as park area, park shape index, canopy of tree, etc. were derived, the regression analysis was performed as a dependent variable for the bird diversity of urban parks. As a result, the park area and the green area ratio of Group 3, classified high NDVI, within the 100m buffer were adopted as the variables in the regression model. In other words, it was confirmed that as the park becomes larger, the distribution of key green areas within a radius of 100m of the parks becomes higher, the diversity of bird species has increased. It was appropriate to use satellite image, NDVI to analyze species diversity in urban area.

A Study on the Restoration of Hee Kyeong Ru in Gwangju (광주목 희경루의 복원 연구)

  • Cheon, Deuk-Youm;Kim, Min-Joo
    • Journal of architectural history
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    • v.19 no.6
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    • pp.23-38
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    • 2010
  • This Hee Kyeong Ru, a kind of "Nu-Gak" in Gwangju is a high storied old government official building memorizes the recovery of Gwangju area reputation. Hee Kyeong Ru, literally means, delightful and happy occasions. This kind of the buildings were build for the receptions and the banquets for the high government officials in travelling areas to areas. It provided very high formality as compared to the buildings in the mountains. Nu-Gak buildings have a lot in common, since they had been constructed under the influence of the then time period and for the common reasons. Several records about Hee Kyeong Ru can be found in the old literatures, poetries, pictures and atlases. Also, we can see the shape of the building and the location through the mark in the old map. According to the historic materials, Nu-Gak buildingsof other old goveenment offices with Hee Kyeong Ru are similar to that of the size and construction. So we can draw the common points of the existing old official buildings and could assume the original form of Hee Kyeong Ru. In conclusion, we need to restore Hee Kyeng Ru as the historical meaningful building and use it as a representative cultural building in Gwangju.

Forest Patch Characteristics and Their Contribution to Forest-Bird Diversity - Focus on Chungcheong Province Area - (산림패치의 특성이 조류 종 다양성에 미치는 영향분석 - 충청지역을 중심으로 -)

  • Lee, Dong-Kun;Park, Chan;Oh, Kyu-Sik
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.13 no.5
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    • pp.146-153
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    • 2010
  • Urban development typically results in many species being confined to small, isolated and degraded habitat fragments. Fragment size and isolation underpin many studies of modified landscape to prevent biodiversity loss. However, habitat characteristics such as vegetation structure and edge effects are less frequently incorporated in planning. The relative influence of biogeographic (e.g. size, isolation) and vegetation parameters on assemblages is poorly understood, but critical for conservation management. In this study, the relative importance of biogeographic and vegetation parameters in explaining the diversity of forest-interior dwelling birds in forest fragments in Chungcheong Province Area. Fragment size and vegetation characteristics were consistently important predictors of bird diversity. Forestinterior bird richness was influenced by fragment size (0.437), wood age (0.332), wood diameter (0.068), and patch shape (-0.079). To preserve bird diversity of Chungcheong Province Area, it is important to consider differing responses of bird diversity to landscape change, move beyond a focus primarily on spatial attributes (size, isolation) to recognize that landscape change also has profound effects on habitat composition and quality. The result is very useful for long-term aspect of biodiversity conservation plan in regional scale.