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Human Posture Recognition: Methodology and Implementation
Kyaw Kyaw Htike,Othman O. Khalifa 대한전기학회 2015 Journal of Electrical Engineering & Technology Vol.10 No.4
Human posture recognition is an attractive and challenging topic in computer vision due to its promising applications in the areas of personal health care, environmental awareness, humancomputer-interaction and surveillance systems. Human posture recognition in video sequences consists of two stages: the first stage is training and evaluation and the second is deployment. In the first stage, the system is trained and evaluated using datasets of human postures to ‘teach’ the system to classify human postures for any future inputs. When the training and evaluation process is deemed satisfactory as measured by recognition rates, the trained system is then deployed to recognize human postures in any input video sequence. Different classifiers were used in the training such as Multilayer Perceptron Feedforward Neural networks, Self-Organizing Maps, Fuzzy C Means and K Means. Results show that supervised learning classifiers tend to perform better than unsupervised classifiers for the case of human posture recognition.
Human Posture Recognition: Methodology and Implementation
Htike, Kyaw Kyaw,Khalifa, Othman O. The Korean Institute of Electrical Engineers 2015 Journal of Electrical Engineering & Technology Vol.10 No.4
Human posture recognition is an attractive and challenging topic in computer vision due to its promising applications in the areas of personal health care, environmental awareness, human-computer-interaction and surveillance systems. Human posture recognition in video sequences consists of two stages: the first stage is training and evaluation and the second is deployment. In the first stage, the system is trained and evaluated using datasets of human postures to ‘teach’ the system to classify human postures for any future inputs. When the training and evaluation process is deemed satisfactory as measured by recognition rates, the trained system is then deployed to recognize human postures in any input video sequence. Different classifiers were used in the training such as Multilayer Perceptron Feedforward Neural networks, Self-Organizing Maps, Fuzzy C Means and K Means. Results show that supervised learning classifiers tend to perform better than unsupervised classifiers for the case of human posture recognition.
Nyunt, Myat Htut,Hlaing, Thaung,Oo, Htet Wai,Tin-Oo, Lu-Lu Kyaw,Phway, Hnin Phyu,Wang, Bo,Zaw, Ni Ni,Han, Soe Soe,Tun, Thurein,San, Kyaw Kyaw,Kyaw, Myat Phone,Han, Eun-Taek Oxford University Press 2015 Clinical infectious diseases Vol.60 No.8
<P>K13 mutations were significantly associated with day 3 parasitaemia, emphasizing the importance of K13 surveillance. Low prevalence of K13 mutations and absence of day 3 positive cases indicate that artemisinin resistance may not have spread to the western Myanmar border region.</P><P><B><I>Background.</I></B> As K13 propeller mutations have been recently reported to serve as molecular markers, assessment of K13 propeller polymorphisms in multidrug-resistant gene in isolates from Myanmar, especially the eastern and western border areas, is crucial if we are to understand the spread of artemisinin resistance.</P><P><B><I>Methods.</I></B> A 3-day surveillance study was conducted in the eastern and western border areas in Myanmar, and K13 propeller and <I>Plasmodium falciparum</I> multidrug resistance-associated protein 1 (<I>pfmrp1</I>) mutations were analyzed.</P><P><B><I>Results.</I></B> Among the 1761 suspected malaria cases screened, a total of 42 uncomplicated falciparum cases from the eastern border and 49 from the western border were subjected to 3 days of surveillance after artemether-lumefantrine treatment. No parasitemic case showing positivity on day 3 was noted from the western border, but 26.2% (11/42) of cases were positive in the eastern border. Although we found no marked difference in the prevalence of the <I>pfmrp1</I> mutation in the eastern and western borders (36% vs 31%, respectively), K13 mutations were more frequent in the eastern border area (where the 3-day persistent cases were detected; 48% vs 14%). C580Y, M476I, A481V, N458Y, R539T, and R516Y accounted for 68.9% of all K13 mutations significantly associated with day 3 parasitaemia.</P><P><B><I>Conclusions.</I></B> The K13 mutations were significantly associated with day 3 parasitaemia, emphasizing the importance of K13 surveillance. The low prevalence of K13 mutations and the absence of day 3 parasitaemic cases indicate that artemisinin resistance may not have spread to the western Myanmar border region. Although analysis of multiple K13 mutations is challenging, it should be done at various sentinel sites in Myanmar.</P>
Nan Zarchi Win,Daw Khin Mi Mi,Thi Tar Oo,Kyaw Kyaw Win,Jong Kyun PARK 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.04
The experiments were conducted from April, 2010 to July, 2011 to explore the species richness of fruit fly and to observe the incidence of Bactrocera species by using Methyl Eugenol trap. In the first experiment, 11 species such as Bactrocera arecae, B. carambolae, B. dorsali, B. kandiensis, B. latilineola, B. malaysiensis, B. neocognata, B. raiensis, B. verbascifoliae, B. correcta and Carpomya pardalina were recorded. All species except Carpomya pardalina were observed in mango. Eight species in guava and five species in jujube were recorded. Bactrocera dorsalis was found to be the most abundant in mango and guava, and B. correcta in jujube. During the second experimental period, the experimental area can be recorded as an infested area because index of fruit fly population captured in traps, FTD (flies/trap/day), was seven. The highest population (437 flies/trap/week) was observed on May 26 in mango orchard. The number of fruit flies was observed to be significant positive correlation with weekly rainfall (R2 = 0.67 in mango, R2 = 0. 34 in guava and R2 = 0.43 in jujube) and relative humidity (R2 = 0.65 in mango), and negative correlation with mean temperature (R2 = 0.72 in mango) and sunshine hour (R2 = 0.61 in mango and R2 = 0.33 in jujube).
Nan Zarchi Win,Khin Mi Mi,Thi Tar Oo,Kyaw Kyaw Win,박진영,박종균 한국응용곤충학회 2014 한국응용곤충학회지 Vol.53 No.4
2010년부터 2011년까지 미얀마 예진 지역의 과수원에서 methyl eugenol trap을 이용하여 과수원 해충인 과실파리에 대한 발생빈도와 피해정도에 대한 연구를 수행하였다. 망고, 구아바, 대추나무를 대상으로 과실파리의 발생 정도를 알아보고 아울러 강수량, 온도, 습도, 일조시간 등 발생과 기후적요인과의 상호관계 등을 분석하였다. 그 결과 회귀분석에서 강수, 최저온도 그리고 상대습도는 과실파리의 발생에 긍정적인 영 향을 주었고 반면에 일조량은 발생을 억제하는 요인으로 작용하였다. 그리고 Bactrocera arecae, B. carambolae, B. correcta, B. dorsalis, B. kandiensis, B. latilineola, B. malaysiensis, B. neocognata, B. raiensis, B. verbascifoliae와 Carpomya vesuvina 등, 모두 11종의 과실파리가 조사되 었고, 그 중 B. correcta와 B. dorsalis가 29.3%와 28.6%로 많은 개체수를 나타내었다. 구아바가 가장 피해가 심했고(59±15.4), 다음은 망고였으 며(35.5±12.1), 반면에 대추에서 가장 낮은 비율을 보였다(18.5±7.9). Population of fruit flies was monitored by using methyl eugenol trap during 2010-2011 in Yezin, Myanmar. Population numbers were analyzed with meteorological factors including rainfall, temperature, relative humidity and duration of sunshine. Samples of mango, guava, and jujube fruits were collected from orchards. The fruits were kept in containers so that the species of flies infesting the fruit could be identified when the adult insects emerged and to assess damage caused by fruit flies. Regression analyses indicated that populations of fruit flies were observed to be positively correlative with rainfall, minimum temperature and relative humidity, and negatively correlative with the duration of sunshine. Eleven species of fruit flies, Bactrocera arecae, B. carambolae, B. correcta, B. dorsalis, B. kandiensis, B. latilineola, B. malaysiensis, B. neocognata, B. raiensis, B. verbascifoliae, and Carpomya vesuvina, were identified. B. correcta and B. dorsalis were the most abundant and accounted for 29.3% and 28.6% of total emerged adults in the different fruit samples. The highest percentage of fruit damage was observed on guava (59±15.4), followed by mango (35.5±12.1) while the lowest was recorded on jujube (18.5±7.9).
HCV, Acute, LT : IL28B Gene Polymorphisms in Myanmar Patients with Chronic HCV Infection
( Mk Kyaw ),( Km Win ),( Nmkt Hlaing ),( Amm Kyaw ),( Ah Bwa ),( St Aung ),( Lt Lwin ),( Wt Lwin ),( S Hlaing ),( Sl Htet ),( Zm Aung ) 대한간학회 2013 춘·추계 학술대회 (KASL) Vol.2013 No.1
Introduction: IL28B gene is a gene which is located on the human chromosome 19. Recently, it was discovered that favourable IL28B gene polymorphisms is associated with the viral clearance and achievement of sustained virological response (SVR) in the treatment of chronic hepatitis C infection. Therefore, studies of IL28B gene polymorphisms can help us to predict whether the treatment of chronic hepatitis C will attain SVR or not. The prediction of SVR by IL28B will be useful in genotype 1 patients because our real life experience showed that SVR rate in Myanmar patients with G 1 is around 80 % (Less than 50 % in Western countries with unfavourable gene polymorphisms in majority of the cases) and that may be due to favourable IL28B gene polymorphisms in Myanmar patients with chronic HCV infection. Up to now there is no data on the prevalence of different IL28B gene polymorphisms in Myanmar patients. Conduct of the Study Study Population: This study consists of 171 patients from Yangon GI and Liver Centre and Mandalay Specialists Centre. Blood samples were sent to National University Hospital, Singapore, and two types of IL28B gene polymorphisms were determined viz. rs12979860 (CC favourable genotype) and rs8099917 (TT favorable genotype). Results: Out of 171 patients who participated, the results showed that about 86% of all genotypes (i.e.149 patients) are of CC/TT type. Among G1 patients 36 out of 41 patients (89%) are favourable genotype CC/TT. Conclusion: As CC/TT is favorable genotype for SVR, it is concluded that Myanmar patients with G1 unlike Western patients with G1, will have a high SVR rate of more than 80% with the current standard of care (SOC). Therefore, Directly Acting Antivirals (DAA) may not be necessary for the naive Myanmar patients with G1 chronic HCV patients. Recommendation: It is recommended to continue the study of SVR rates among different IL28B genotypes in Myanmar patients with chronic HCV patients who are receiving antiviral therapy.