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Detection of Edges in Color Images
Ganchimeg, Ganbold,Turbat, Renchin The Institute of Electronics and Information Engin 2014 IEIE Transactions on Smart Processing & Computing Vol.3 No.6
Edge detection considers the important technical details of digital image processing. Many edge detection operators already perform edge detection in digital color imaging. In this study, the edge of many real color images that represent the type of digital image was detected using a new operator in the least square approximation method, which is a type of numerical method. The Linear Fitting algorithm is computationally more expensive compared to the Canny, LoG, Sobel, Prewitt, HIS, Fuzzy, Parametric, Synthetic and Vector methods, and Robert' operators. The results showed that the new method can detect an edge in a digital color image with high efficiency compared to standard methods used for edge detection. In addition, the suggested operator is very useful for detecting the edge in a digital color image.
간치멕(Ganchimeg Gantumur),차희영(Cha Hee young) 한국비교교육학회 2017 比較敎育硏究 Vol.27 No.6
이 연구는 몽골과 한국의 교육적 교류를 발전시키는데 필요한 기초 자료를 확보하기 위한 목적으로 몽골과 한국의 교육제도를 비교 분석한 연구다. 연구를 위해 두 나라의 교육 관련 문헌 자료를 조사하여 비교했다. 먼저 몽골과 한국 사회의 역사적인 변천과정에서 교육 제도가 어떻게 변화되어 왔는지를 알아보았고, 두 나라의 현행 교육 제도를 분석하여 비교해 보았으며, 향후 양국의 교육 제도 개선에 대한 시사점을 도출하였다. 연구 결과, 몽골 교육은 구소련식 교육 제도로부터 영향을 받아 발전해왔고, 한국 교육은 미국식 교육 제도로부터 영향을 받아 오늘날까지 발전해 왔다. 몽골과 한국의 현행 학제도 각각 5-4-3제와 6-3-3제로 차이가 있었다. 학교 운영 방식도 단일형 학교 제도를 근간으로 하는 한국과는 달리 인구 밀도가 낮은 몽골은 통합형 학교 제도로 운영하고 있었다. 교육과정 편성 및 운영시간에서도 차이가 나타났는데, 몽골이 한국보다 연간 수업시수가 더 적었다. 연구 결과들은 기존에 한국에 많이 소개된 바 없는 몽골의 교육 제도에 관한 정보를 한국에 제공해 줄 것이며, 몽골에는 향후 교육 제도의 개선을 위한 참고 자료가 될 것이다. The purpose of this study is to acquire basic data necessary for developing educational exchanges between Mongolia and Korea by comparing educational system between Mongolia and Korea. For the study, we compared the educational documents of the two countries. The contents of the study first examined how the educational system has changed in the historical process of Mongolia and Korean society. The current educational system of the two countries is analyzed and compared. And suggested implications for the improvement of education system in both countries in the future. As results, Mongolia has been influenced by the Soviet education system and Korea by the American educational system and has evolved to this day. There were differences in the current academic system between Mongolia and Korea, which were 5-4-3 and 6-3-3 respectively. Unlike in Korea, where the school system is based on a single school management system, Mongolia, which has a low population density, operates as an integrated school system. There was a difference between the two countries in terms of curriculum organization and operation time. Mongolia had less lessons per year than Korea. The results of this study will provide information on the educational system in Mongolia that has not been widely introduced in Korea and will be provided as a reference material for future improvement of education system in Mongolia.
Ganbold, Ganchimeg,Chasia, Stanley Research Institute for Knowledge Content Developme 2017 International Journal of Knowledge Content Develop Vol.6 No.2
There are several statistical classification algorithms available for land use/land cover classification. However, each has a certain bias or compromise. Some methods like the parallel piped approach in supervised classification, cannot classify continuous regions within a feature. On the other hand, while unsupervised classification method takes maximum advantage of spectral variability in an image, the maximally separable clusters in spectral space may not do much for our perception of important classes in a given study area. In this research, the output of an ANN algorithm was compared with the Possibilistic c-Means an improvement of the fuzzy c-Means on both moderate resolutions Landsat8 and a high resolution Formosat 2 images. The Formosat 2 image comes with an 8m spectral resolution on the multispectral data. This multispectral image data was resampled to 10m in order to maintain a uniform ratio of 1:3 against Landsat 8 image. Six classes were chosen for analysis including: Dense forest, eucalyptus, water, grassland, wheat and riverine sand. Using a standard false color composite (FCC), the six features reflected differently in the infrared region with wheat producing the brightest pixel values. Signature collection per class was therefore easily obtained for all classifications. The output of both ANN and FCM, were analyzed separately for accuracy and an error matrix generated to assess the quality and accuracy of the classification algorithms. When you compare the results of the two methods on a per-class-basis, ANN had a crisper output compared to PCM which yielded clusters with pixels especially on the moderate resolution Landsat 8 imagery.
간치맥(Ganchimeg Gantumar),조만현(Man Hyun Jo),다바잘갈(Davaajargal Igori),함인기(In Ki Ham),이은모(Eun Mo Lee),이왕희(Wang-Hee Lee),임용표(Yongpyo Lim),안길환(Gilhwan An),박종태(Jong-Tae Park) 한국식품영양과학회 2013 한국식품영양과학회지 Vol.42 No.9
본 연구는 중국유래 14 품종 청경채의 영양적 특성을 평가하고자 수행되었다. 14종의 신규 청경채(Brassica rapa L.ssp. chinensis)를 대표적인 국산 배추(Brassica rapa L.ssp. pekinensis) 4 품종과 함께 2008년 충남 예산에서 재배하여 수확한 후 녹색 부위와 백색 부위로 나누어 부위 별 각종 영양 성분 분석을 수행하였다. 청경채의 수분 및 회분함량은 배추에 비교하여 유의적 차이가 없었으나 수분은 백색 부위에서, 회분은 녹색 부위에서 높게 나타났다. 전체적인 무기염류 함량은 배추에 비하여 청경채가 높은 것으로 측정되었는데 특히 녹색 부위의 함유량이 유의적으로 높은 것으로 드러났다. 특히 현대인의 건강에 매우 중요한 Ca과 Mg의 함유량은 청경채(Ca녹색: 2.57, Ca백색: 2.04; Mg녹색: 0.422, Mg백색: 0.301 mg/g 신선물 기준)가 배추(Ca녹색:0.805, Ca백색: 0.477; Mg녹색: 0.244, Mg백색: 0.101 mg/g신선물 기준)에 비하여 매우 높았다. 환원당의 함량은 청경채와 배추가 유사한 값을 나타내었고 색에 따른 유의적 차이도 없었다. 펙틴은 부위에 따른 차이는 있으나 청경채에서 그 함량이 높게 나타났고, 식물 조직의 경도에 영향이 큰 셀룰로오스의 함량은 청경채가 약 4배 이상 배추보다 높았다. 비타민 C와 E 함량은 청경채와 배추가 유사한 것으로 측정되었다. 위와 같이 청경채는 영양적으로 매우 우수하여 소비자들에게 권장할 만한 매일 섭취해야 할 주요 채소작물의 하나로 손색이 없음을 알 수 있었다. 또한 청경채는 국내배추의 품질 향상을 위한 육종 소재로서도 활용가치가 높을 것으로 사료된다. The nutritional components of 14 new cultivars of pak choi (Brassica rapa L. ssp. chinensis) from China were analyzed and compared with 4 cultivars of Chinese cabbage (Brassica rapa L. ssp. pekinensis) popular in Korea. Leaves were separated into green parts (GP) and white parts (WP) for the analyses. The moisture and ash content in the 14 new cultivars of pak choi were not significantly different from the currently popular cultivars of Chinese cabbage. In addition, the levels of vitamin C and E were very similar between the two kinds of Brassica rapa. In contrast, the overall mineral content was higher in the new pak choi cultivars. Specifically, minerals important for human health, calcium and magnesium, were significantly greater in pak choi cultivars (calcium GP 2.57, WP 2.04; magnesium GP 0.422, WP 0.301 mg/g fresh weight) compared to currently popular cultivars (calcium GP 0.805, WP 0.477; magnesium GP 0.244, WP 0.101 mg/g fresh weight). Although the content of reducing sugars was similar, cellulose content (which correlates with the hardness of plant tissue) was four times higher in the new pak choi cultivars compared to currently popular cultivars. These results demonstrate that the new pak choi cultivars have superb nutritional benefits for human health and could be a good food source as a daily staple vegetable.