• 제목/요약/키워드: rural-only

검색결과 1,819건 처리시간 0.026초

Automatic Estimation of Tillers and Leaf Numbers in Rice Using Deep Learning for Object Detection

  • Hyeokjin Bak;Ho-young Ban;Sungryul Chang;Dongwon Kwon;Jae-Kyeong Baek;Jung-Il Cho ;Wan-Gyu Sang
    • 한국작물학회:학술대회논문집
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    • 한국작물학회 2022년도 추계학술대회
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    • pp.81-81
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    • 2022
  • Recently, many studies on big data based smart farming have been conducted. Research to quantify morphological characteristics using image data from various crops in smart farming is underway. Rice is one of the most important food crops in the world. Much research has been done to predict and model rice crop yield production. The number of productive tillers per plant is one of the important agronomic traits associated with the grain yield of rice crop. However, modeling the basic growth characteristics of rice requires accurate data measurements. The existing method of measurement by humans is not only labor intensive but also prone to human error. Therefore, conversion to digital data is necessary to obtain accurate and phenotyping quickly. In this study, we present an image-based method to predict leaf number and evaluate tiller number of individual rice crop using YOLOv5 deep learning network. We performed using various network of the YOLOv5 model and compared them to determine higher prediction accuracy. We ako performed data augmentation, a method we use to complement small datasets. Based on the number of leaves and tiller actually measured in rice crop, the number of leaves predicted by the model from the image data and the existing regression equation were used to evaluate the number of tillers using the image data.

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농촌주부(農村主婦)들의 의료(醫療)와 항생제(抗生劑)에 대(對)한 지식(知識)과 태도(態度)에 관(關)한 조사(調査) (A Study on Knowledge and Attitude of Housewives toward Health Care and Antibiotics in a Rural Area)

  • 김순기
    • Journal of Preventive Medicine and Public Health
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    • 제9권1호
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    • pp.147-151
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    • 1976
  • A study was conducted during the period of August 13 to August 18, 1974 to obtain information on knowledge and attitude of the rural area housewife toward health care and antibiotics using. Interviewed 242 housewives dwelling in Soodong and Hwado Myun, Yangju Gun, Kyunggi Do, a typical rural area in Korea and the following results are obtained: 1. Of 242 housewives interviewed, 20.2% were illiteracy, 68.2% was graduated from primary school, 9.1% from middle school and 2.5% from high school. 2. Of those interviewed, 8.7% were Christian, 5.0% Bueldist, 2.9% Confucianism, and 83.4% of those were no religious preference. 3. Utility rate according with the kind of mass media in home was 85.1% of respondants possessed radio, 16.1% of magazine, 12.8% of newspaper, and 4.1% of television. 4. In the case of patients occure in a family, 13.0% out of 242 respondants had chosen physician's clinics for inicial medical care place, 58.4% drug stores, 0.9% herb medicine and 27.7% of those had chosen folk medicine at home. 5. Antibiotics effective complaints listed by the respondants were skin diseases with 43.8%, suppurated wound 30.0%, URI like symptoms 18.2%, diarrhea 14.5%, low back pain 12.9%, fever 6.2%, loss of appetite 3.3%, all kind of diseases 2.5%, urethral discharge 2.1% and tuberculosis 0.8% respectively. 6. Only 14.7% of respondants had obtained antibiotics for medical care from physician's clinics and 85.3% of the respondants had obtained antibioties from drug store (70.7%), village shop (10.4%), and salesmen in street market without any physician's prescription. 7. Eighty-nine percent of the respondants were understanding on patient care activity as the local health subcenter but only 11.0% of those on M.C.H., 29.0% of those on family planning, 21% on vaccination, and only 6.6% on tuberculosis control activity. 8. Utility rate of the local health subcenter was 71.9% out of the patients indicated medical care of medical facilities.

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Frog Habitats in the Rural landscape Known as Yato "dell with paddy fields"in suburban Area in South Kanto Plain

  • Osawa, Satoshi;Katsuno, Takehiko
    • Journal of the Korean Institute of Landscape Architecture International Edition
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    • 제1호
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    • pp.75-83
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    • 2001
  • Residents of urban area like to be near rural animals during their daily life, so it is important conserve the suburban Yato landscape in Japan. This study targets the species of frogs that are commonly found in Yato paddies. It is necessary to various frogs inhabiting in Yato, because frogs are popular among Japanese, who as children enjoy capturing tadpoles and frogs. Its purpose is to clarify how that composition of frog species changes when the functionality of a frog habitat is diminished by urbanization. The survey, conducted in the Eastern Kanagawa area in central Japan, determined the distribution of each species of frog in grid cells measuring 0.5-$\textrm{km}^2$. It hsows wide distributing species (Hyla japonica; they always inhabit in all paddies), the middle range distributing species (Rhacophorus schlegelii and Rana porosa p.), the limited range distributing species (R. rugosa; they are most critical species, sine they are recognized only two cells), and so on. Correspondence analysis based on the frog species composition in each cell was performed to ascertain the adaptability of each species to various paddy field conditions. The results allowed us to classify cells into four groups according to the composition of the inhabiting species. And we recognized that the process by which frogs disappear occurs in reaction to either of two patterns of change. As paddy fields are improved by farmland consolidation, R. rugosa, R. ornativentris, R. japonica, and Bufo. japonica f. decline rapidly. In plateau areas, a smore andmore paddies are converted into strong, well-drained fields, only H. japonica and R. porosa p. remain. But in hilly areasd, the species composition becomes only H. japonica and R. schlegelii. Finally, we discuss the concept of ecological urban design in the context of the conservation of frog species in Yato paddies.

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정보계측기법을 이용한 생태조사자료의 종다양도 분석 (Species Diversity Analysis of Ecosystem Survey Data Using Total Information)

  • 정남수;이정재;박승기;김웅
    • 농촌계획
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    • 제13권2호
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    • pp.1-5
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    • 2007
  • Shannon and Simpson indexes are used for species diversity analysis of ecosystem. In species diversity analysis of ecosystem, not only frequency of each species but also survey size have to be considered. In this study, total information composed with knowledge and ignorance was suggested as a species diversity analysis method for ecosystem survey. To apply developed method, flora in the Sangachun river valley was sampled with 19 sites and 198 species. In applying results, Shannon index shows more reasonable results than Simpson index by the variance of sample size but has difficulties of determining the relation of surveying species number and sample site number. Suggested total information can overcome this difficulty by the relation of knowledge and ignorance.

영국 유기농업정책의 변화과정과 시사점 (Implications and Changes of Organic Farming Schemes in the UK)

  • 김태연
    • 한국유기농업학회지
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    • 제12권3호
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    • pp.333-343
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    • 2004
  • Organic fanning in the UK has been greatly grown for the last decade. Two policies for supporting organic farming introduced in 1994 and 1999 played a crucial role in expanding organic farming area and increase in the number of farmers taken up organic fanning methods. Comparing the two policies, this paper identifies that the significant increase in financial aid to organic fanning in 1999 not only was a key factor to succeed in the scheme but also provided environmental base for further development of rural areas. However, such a national aid scheme should be improved in order to reflect regional specific characteristics in terms of environmental protection and local social and economic development. the experience of the UK suggests that the role of organic fanning in rural economics should be defined before enhancing financial support to farmers.

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충북지역 교과교실제 중·고등학교의 학생 및 학습지원공간 연구 (A Study on Student & Learning Support Spaces of Departmentalized Class System at Middle & High Schools in Chungbuk)

  • 정진주;이지영;이재형
    • 한국농촌건축학회논문집
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    • 제13권2호
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    • pp.47-54
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    • 2011
  • According to the master plan of the Ministry of Education, Science and Technology, departmentalized class system will be extended to all general middle & high schools by 2014 with the exception only of those having less than 6 classes located in small cities in rural areas. Under departmentalized class system, according to class timetable, students need to move from classroom to another classroom and areas where homebases, lounges, media spaces, rest places, and etc. This study has been undertaken to provide architectural data required in planning for student & learning support space for schools operating departmentalized class system, by investigating and analyzing cases in use at schools operating the system in Chungbuk area. As departmentalized class system is increasingly introduced, student & learning support space should be understood newly as spaces indispensable for students.

코사인 유사도를 이용한 이주패턴 변화의 정량적 측정 (Quantitative Measure of the Changes of Migration Patterns Using Cosine Similarity)

  • 한이철
    • 농촌계획
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    • 제23권2호
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    • pp.67-74
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    • 2017
  • Migration is defined as the movement of people between residential places, and represents interactions between regions. Changes in migration involve changes in both the number of migrants toward/from regions and migration patterns across regions. However, most migration studies have focused only on the change in migrants, while no empirical study captures changes in migration patterns. In this paper, I present a function using the cosine similarity to measure changes in migration patterns, and apply it to 2001-2016 migration data of Korea. The results show that the migration patterns of Korea shifted in 2007, resulting in two distinct clusters. Local areas experienced various migration pattern changes despite few changes in the number of migrants.

농촌개량주택(農村改良住宅)의 증축(增築)에 따른 부속사(附屬舍) 공간(空間)의 변화(變化)에 관한 연구(硏究) - 강원도 삼척해안지역을 중심으로 - (A Study on the Spatial Transformations of Accessory Building by Extension of Existing Modern Farm Houses - Focused on Samchok Seashore Area of Kangwon Province -)

  • 최장순;최찬환
    • 한국농촌건축학회논문집
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    • 제1권3호
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    • pp.35-44
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    • 1999
  • When modern farm houses were built, they were made up of only residential parts. So that many new accessory building-private residential room, toilet, warehouse, storeroom, barn, cattle pen and etc.-were made without any order around modern farm houses. This study is aimed at grasping how the process and contents of extension of the accessory building of modern farm houses have been changed, understands and explicates the reason why accessory buildings of modern farm houses were changed and bring forward better directions about accessory building of modern farm houses at Samchok seashore area of Kangwon Province. The way for it which be made good that the scenery of a rural district was ruined by accessory buildings distributes and develops various standard models about accessory buildings that they are becoming to modern farm houses.

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낙후농촌 정보 격차 현황조사 및 대응 정책 (A Survey on the Digital Divide of Remote Rural Areas and the Policy of Digital Inclusion in Korea)

  • Kyung-Hoon Yang;Byung-Hee Song;Do-ll Kim
    • Journal of Information Technology Applications and Management
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    • 제9권1호
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    • pp.45-60
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    • 2002
  • The development of information technology has been expected to change the living style and upgrade the living environment. These expectations are somewhat realized, but there are certain groups that will be less benefitted by these upgrades compared to other groups. These phenomena are called digital divide, which is the latest Issue around the world these days. There are several factors that raise digital divide such as gender, education, job, age, income and region. In Korea, the most critical factor may be considered as region but so far this has only been assumed and there has been no empirical surveys about this. This study is proposed to survey the remote rural areas to find out the actual situations of digital divide compared to the urban areas in Korea. And the results will be used as a basic data to make strategies and policies in order to improve the rural living environments.

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두만강 북안 조선족 이수마을 주택평면의 변화 (A Study on the Transition of House Plan in Lishu Settlement of Tumen Riverside)

  • 임금화;서승현;김태영
    • 한국농촌건축학회논문집
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    • 제10권1호
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    • pp.19-26
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    • 2008
  • 1) Lishu village is located in a riverside of an upper Tu-men river. Since an upper tream of Tu-men river is narrow and easy to pilot a boat, early in the past, it facilitated the form of the village near to the North Korea. 2) As for elevation, it consisted of only doors, but as time goes by, windows were made. So windows and doors were appearing much in the elevation. In 1970s', elevations are constructed in various ways; in 1980, attributed to brick housing, the elevations become much more diverse; from 1990, symmetrical elevation was revealed which consists of one door and two windows in each side of a door after 2000, the structure of the housing restored of 1930s' style which contained one window in Jungji and 1970s' style consisting of 3 windows, moreover, many free-style elevations appeared to be commercial use.

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