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Skin color of Chinese women across different regions of China:An analysis based on both individual typology angle and hue angle
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作者 Sen Hou Anzhang Li 《Journal of Dermatologic Science and Cosmetic Technology》 2024年第1期37-41,共5页
Skin color is considered an important beauty standard for women in China.The typical tool for skin color measurement,individual typology angle(ITA),was developed based on Caucasian skin features.The ITA effectively me... Skin color is considered an important beauty standard for women in China.The typical tool for skin color measurement,individual typology angle(ITA),was developed based on Caucasian skin features.The ITA effectively measures the brightness of facial skin,which is traditionally associated with beauty in Caucasian women.However,in Chinese women,whiteness is not the only determinant of skin esthetics,and other elements such as“yellowness”and“redness”are also important considerations.Thus,the hue angle system was developed based on the skin features of Chinese women,whose skin is typically on the“yellow-red”spectrum.Studies examining the skin color of Chinese women based on both the ITA and hue angle should be carried out.The skin colors of 4500 women aged 18–45 years across five different regions of China were measured using both the ITA and hue angle systems.The relationship of the“red pigment and melanin content”with the“brightness and redness of skin color”was also examined.Further,the different skin types of women across different regions were identified.Measurements based on the ITA system reveal a saddle-shaped distribution of skin brightness among Chinese women across five different regions,with skin brightness being high in the eastwest regions and low in the north-south regions.The ITA and hab values are not consistent in individual women,and thus,both need to be considered when evaluating skin color.Additionally,no correlation between the skin’s red pigment and melanin content and the skin’s ITA and hab values is identified.This study provides skin color data based on both the ITA and hue angle systems.The findings show that skin ITA/hab values cannot simply be explained by the red pigment/melanin content of the skin.Given the distribution of skin types across different regions of China,whitening ingredients causing little to no irritation should be used to formulate whitening cosmetics. 展开更多
关键词 Skin color Individual typology angle(ITA) hue angle
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Effect of Hue Citadel on the Layout of Traditional Garden Houses Located in Its Area, Vietnam
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作者 Ngoc Tung Nguyen Hirohide Kobayashi Masami Kobayashi 《Journal of Civil Engineering and Architecture》 2011年第10期918-927,共10页
In Hue, the city located in the middle region of Vietnam, the Citadel is known as the place of the last Dynasty in the history of Vietnam, Nguyen (1802-1945). Whereas Nguyen Kings lived in the Purple Forbidden City ... In Hue, the city located in the middle region of Vietnam, the Citadel is known as the place of the last Dynasty in the history of Vietnam, Nguyen (1802-1945). Whereas Nguyen Kings lived in the Purple Forbidden City (the third wall of the Citadel), other members of royal families and high-ranking mandarins lived in Hue Traditional Garden Houses (HTGHs) constructed around and in the Citadel area. This paper is a part of the research that focuses on an approach for sustainable live conservation and application of HTGHs into contemporary use. In this paper, the study aims to consider effects of the Citadel on the layout and arrangement of HTGHs located in its' area by studying alteration in layout elements of those house. Based on field surveys of 91 HTGHs in the Citadel area, it is found that although those houses are altered into various configurations under the impacts of urbanization and modernization, several important traditional elements in layout such as Binh Phong (masonry screen), Be Can (basin), and facing orientation have been maintained, and their layouts reflect a miniature image of Hue Citadel, i.e., there is an integral relationship between the Citadel and HTGHs located in it. This relationship plays an important role for expressing one of unique characteristics of Hue cultural asset, which is unavailable in other regions of Vietnam. 展开更多
关键词 hue citadel hue traditional garden house layout urbanization.
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Farnsworth-Munsell 100 Hue test与Magnetic Farnsworth D15在空勤人员色觉异常诊断中敏感性的对比研究 被引量:2
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作者 李鑫 张明悦 李少军 《航空航天医学杂志》 2017年第12期1424-1426,共3页
目的探究FM100(Farnsworth-Munsell 100 Hue test)和D15(Magnetic Farnsworth D15)两种方法在诊断空勤人员色觉异常诊断中的敏感性差别。方法选取2014年9月-2017年5月间参加空勤体检的116例经过石原氏假同色图谱(ISHIHARA’S TEST,38 PL... 目的探究FM100(Farnsworth-Munsell 100 Hue test)和D15(Magnetic Farnsworth D15)两种方法在诊断空勤人员色觉异常诊断中的敏感性差别。方法选取2014年9月-2017年5月间参加空勤体检的116例经过石原氏假同色图谱(ISHIHARA’S TEST,38 PLATES EDITION 2011)检查诊断为色弱和色盲的受试者作为研究对象。应用ISHIHARA版假同色图谱方法筛选出色盲和色弱受检者,其中色弱75例,色盲41例,分别采用FM100和D15对色弱和色盲的受检者进行色觉异常的诊断,并对两种方法的诊断结果进行判断和分析。结果在色弱组中D15方法的检出率要显著的高于FM100组,存在显著的统计学差异(P<0.05)。而在色盲组中D15方法与FM100方法组无显著的统计学差异(P>0.05)。结论 D15在空勤人员色觉异常诊断中的敏感性高于FM 100。D15在色觉筛查中用时较短,检出率高,在实际工作中应用起来更加准确高效。 展开更多
关键词 Farnsworth-Munsell 100 hue test MAGNETIC Farnswonh D15 色觉异常 敏感度
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基于Hue的自动化数据分析系统设计与实现 被引量:2
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作者 王帅 万小霞 《现代计算机》 2021年第3期111-116,共6页
在信息化时代,人们越来越重视数据的价值。从最初的记录、统计到现在的分析、预测,人们不断地研究其中的规律,但网络的普及、企业的增多使得数据量已经多到难以筛选、难以处理的地步,单纯的靠人工和软件工具已经无法及时、精确地处理这... 在信息化时代,人们越来越重视数据的价值。从最初的记录、统计到现在的分析、预测,人们不断地研究其中的规律,但网络的普及、企业的增多使得数据量已经多到难以筛选、难以处理的地步,单纯的靠人工和软件工具已经无法及时、精确地处理这些大批量数据。依据主流大数据技术,针对如上问题,使用Flume获取离线日志信息,通过Kafka接收实时消息,继而用Spark技术处理数据并用Hue监管集群处理数据状况,最终将数据汇总并以图表形式直观展示。 展开更多
关键词 大数据 hue SPARK FLUME Kafka
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Selection of Sesame Accessions(Sesamum indicum L.)in Thua Thien Hue Province,Vietnam
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作者 Tram Thi Hoai Nguyen The Thi Dieu Nguyen Hai Thi Hong Truong 《Journal of Agricultural Science and Technology(A)》 2017年第B10期24-31,共8页
The main objective of this study was to select the best accessions for use as potential breeding sources in Thua Thien Hue province.A total of 16 accessions were used in this study,of which three accessions from Ho Ch... The main objective of this study was to select the best accessions for use as potential breeding sources in Thua Thien Hue province.A total of 16 accessions were used in this study,of which three accessions from Ho Chi Minh city in Vietnam,four accessions supplied by Japan,six accessions collected from China,two accessions provided by the United States and one MèVàng local accession(control)from Thua Thien Hue.The field experiment was conducted from August 2016 to November 2016 and laid out in a random complete block design(RCBD)for three replications at Huong Long ward,Hue city,Thua Thien Hue province.Each accession was observed 10 plants per replication.The size of each plot was 10 m2 and the spacing of 25 cm×10 cm was applied.The results showed that experiment accessions can grow under Thua Thien Hue conditions.Of those,the actual yield of VV12,VDM21,VH12,VDM50,VH01 and VDM45 were higher than the other accessions with 1.65,1.64,1.55,1.54,1.52 and 1.45 tons/ha,respectively.Oil content of these six accessions was above 50%.Therefore,VV12,VDM21,VH12,VDM50,VH01 and VDM45 can be used for breeding and cultivation under local condition. 展开更多
关键词 SESAME ACCESSION growth yield Thua Thien hue PROVINCE
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Study on Reproductive Performance of Terapon jarbua(Forsskal,1775)in Tam Giang-Cau Hai Lagoon Systems,Thua Thien Hue Province
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作者 Le Thi Nhu Phuong Nguyen Quang Linh 《Journal of Agricultural Science and Technology(A)》 2017年第B10期93-97,共5页
Terapon jarbua was collected from Tam Giang-Cau Hai lagoon systems and then their reproductive performances were investigated.Total 342 species were caught by otter trawlers and different fishing gears in marine and T... Terapon jarbua was collected from Tam Giang-Cau Hai lagoon systems and then their reproductive performances were investigated.Total 342 species were caught by otter trawlers and different fishing gears in marine and Tam Giang-Cau Hai lagoon systems on certain days of each month during period from September 2015 to August 2016 at fishing port.The determination of age was based on composition of the fish:ear,scaly,spine,gill cover and spine and the ovarian histology template.The gonads after being fixed with Bouins solution were cleansed,cut,dyed and put on the observation microscope.Results showed that the sex of Terapon jarbua was nearly clarified at the approximately 1+age group and participated in reproduction process in the first time at the 1+age group.The batch and relative fecundity of Terapon jarbua were high.The batch fecundity of Terapon jarbua varied from 239,029 to 420,400 eggs.The relative fecundity capacity fluctuated from 945 to 1,013 of eggs per gram of fish and the mean value by 981 eggs per gram of fish.The spawning season of fish occurred from March to May annually. 展开更多
关键词 Terapon jarbua REPRODUCTIVE biology Thua Thien hue
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Evaluation of Sponge Gourd(Luffa cylindrical L.)Inbred Lines for Growth Potential and Fruit Quality in Thua Thien Hue Province,Central Vietnam
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作者 Hai Thi Hong Truong Thao Thu Phan The Thi Dieu Nguyen 《Journal of Agricultural Science and Technology(A)》 2017年第B10期10-16,共7页
Plants which contain unisexual flowers are subjected to genetic degradation and yield capacity reduction due to the easily cross-pollination.Sponge gourd,one of species of the Cucurbitaceae which is predominantly cros... Plants which contain unisexual flowers are subjected to genetic degradation and yield capacity reduction due to the easily cross-pollination.Sponge gourd,one of species of the Cucurbitaceae which is predominantly cross-pollinating,is cultivated to widely use as vegetable in Vietnamese daily meals.The aim of this experiment was to evaluate the growth potential and fruit quality including fruit aroma of sponge gourd inbred lines.Pure line selection has been performed using self-pollinated method,so that sponge gourd lines would be recovered with high yielding and aroma and thereby recommended for further crop system in Thua Thien Hue province,Central Vietnam.The experiment was conducted in a randomized complete block design(RCBD)with three replications during the winter-spring season in 2017.Agronomical data were observed and analyzed on seven inbred lines(1-MN1,1-MN2,5-MN1,7-MN1,13-MN2,15-MN1 and 15-MN2)derived from B29 accession(GBVN006904).The results indicated that inbred lines 13-MN2,1-MN2 and 15-MN1 attained more highly fruit weight and yield compared to the others.Four inbred lines consisting of 5-MN1,7-MN1,15-MN1 and 15-MN2 still retained the light aroma after boiling.The inbred lines 1-MN2,7-MN1,13-MN2 and 15-MN1 are considered for appropriately using in breeding program of new luffa. 展开更多
关键词 SPONGE gourd INBRED line growth potential FRUIT AROMA Thua Thien hue
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Influence of Foliar Fertilizers on Growth and Development of Petunia hybrida in Winter-Spring 2015-2016 in Thua Thien Hue
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作者 The Thi Dieu Nguyen Phuong Thi Xuan Tran +1 位作者 Hai Thi Hong Truong Khoa Dang Tran 《Journal of Agricultural Science and Technology(A)》 2017年第B10期40-47,共8页
The experiment was conducted in winter-spring 2015-2016 in Thua Thien Hue to identify different foliar fertilizer for Petunia hybrida having good growth and development,beautiful colors and long lifetime under local c... The experiment was conducted in winter-spring 2015-2016 in Thua Thien Hue to identify different foliar fertilizer for Petunia hybrida having good growth and development,beautiful colors and long lifetime under local conditions.The experiment included four treatments with three kinds of forliar fertilizers—Dau Trau MK 30-10-5,gibberellin 25-10-10 and abscisic acid.The control treatment(T0)used sterilized water without foliar fertilizer.The results showed that all the foliar fertilizers influenced well on growth and development of Petunia hybrida.Dau Trau MK 30-10-5 helped Petunia hybrida have high quality and high value/cost ratio than the others. 展开更多
关键词 FOLIAR FERTILIZER PETUNIA hybrida growth Thua Thien hue
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Field Evaluation on Agronomic Characteristics of Newly Introduced Bitter Gourd(Momordica charantia L.)Accessions in Thua Thien Hue Province,Vietnam
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作者 The Thi Dieu Nguyen An Thi Do Hai Thi Hong Truong 《Journal of Agricultural Science and Technology(A)》 2017年第B10期17-23,共7页
The main objective of this study was to evaluate ability of growth and yield of introduced bitter gourd accessions in winter-spring 2016-2017 in Thua Thien Hue province.A total of seven accessions were used in this st... The main objective of this study was to evaluate ability of growth and yield of introduced bitter gourd accessions in winter-spring 2016-2017 in Thua Thien Hue province.A total of seven accessions were used in this study.Of these,six accessions were provided by the World Vegetable Center(AVRDC),namely,AVRDC 1329,AVRDC 1330,AVRDC 1331,AVRDC 1333,AVRDC 1334,AVRDC 1335 and one Vietnam local accession(control)from Dien Hai commune,Phong Dien district,Thua Thien Hue province.The results showed that experiment accessions can grow under Thua Thien Hue conditions.AVRDC 1329,AVRDC 1330,and AVRDC 1335 were considered as displaying good growth and development ability.Of those,AVRDC 1330 was the most suitable to consumer as regards to appearance and bitter taste.AVRDC 1330,the control check and AVRDC 1331 had the high actual yield with 16.57,10.65 and 7.88 tons/ha,respectively,and these two introduced accessions can be used for breeding and cultivation under local condition. 展开更多
关键词 BITTER gourd Momordica charantia L. AGRONOMIC characteristics World Vegetable Center Thua Thien hue
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Safe Vegetable Consumption in Hue City:A Case Study of Food Safety Situation in Vietnam
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作者 Nguyen Vinh Truong Tran Thi Bach Thao +2 位作者 Tran Thi Anh Tuyet Nguyen Van Khanh Tran Quang Khanh Van 《Journal of Agricultural Science and Technology(A)》 2017年第B10期119-130,共12页
Food safety has become a growing concern for citizens in the modern society when consuming unsafe food that directly impacts public health,life quality and well-being of each country.People of Vietnam in general and s... Food safety has become a growing concern for citizens in the modern society when consuming unsafe food that directly impacts public health,life quality and well-being of each country.People of Vietnam in general and specially in Hue city have been facing challenge of vegetable unsafety.A survey concerning the consumption of safe vegetables was conducted in Hue city,Vietnam.Data were collected by using a well-structured questionnaire from representative of 30 consumers,30 producers and 10 collectors.The results showed that lettuce,sweet potato and Chinese mustard were identified as the most important vegetables to consumers in Hue city.Most of the consumers purchased vegetable every day.The cost of vegetable in every transaction was about 30,000 VND.This expenditure has not created a great motivation for developing safe vegetable production.Most of the consumers in Hue city showed high interest,demand,trust and satisfaction for safe vegetable.However,50%of the consumers reported that the price of the safe vegetable was quite expensive and price was not matched with their quality.Moreover,there were some disadvantages in each stage of vegetable supply chain.For example,land,seed,capital,cultivation techniques,preliminary processing,preservation,brand name,trademark and place to consume have not met the requirement of high technology production for the supply chain of safe vegetables.The chain linking between the production and consumption of vegetables is not sustainable.Producers and consumers do not have closely links.Vegetable can not be traced to origin and there is no safe certificate.The consumers believe the quality of vegetables depending on the prestige suppliers,such as,the vegetable shops with foreign consultants.Safe vegetables of farmers are very difficult to be certified for safe vegetables.Solutions and suggestions to Hue city are proposed that it is necessary to establish the vegetable production area in Hue city.Vegetable growers should be supported with capital,knowledge,technology,vegetable preliminary processing and preservation.They should be supported to build a trademark and certificate of vegetable safety and establish the chains of effective safe vegetable consumption. 展开更多
关键词 Food safety VEGETABLE CONSUMPTION VEGETABLE supplying chain hue CITY
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Soil Gas Radon Measurement for Identifying Active Faults in Thua Thien Hue (Vietnam)
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作者 Pham Tich Xuan Nguyen Anh Duong +3 位作者 Vu Van Chinh Pham Thanh Dang Nguyen Xuan Qua Nguyen Van Pho 《Journal of Geoscience and Environment Protection》 2020年第7期44-64,共21页
The solid-state nuclear track detectors have long been applied to assess the activity of tectonic faults. We measured the Radon (<em>Rn</em>) concentration in soil gas on 09 profiles with a total of 245 me... The solid-state nuclear track detectors have long been applied to assess the activity of tectonic faults. We measured the Radon (<em>Rn</em>) concentration in soil gas on 09 profiles with a total of 245 measurement points in Thua Thien Hue area (Vietnam). Measurement results show that the <em>Rn</em> concentration in soil gas ranges from ~10 Bq/m<sup>3</sup> to 144,570 Bq/m<sup>3</sup>. There is a clear difference in the <em>Rn</em> concentration on the granite rock of Dai Loc complex compared to the remaining rocks. The calculated background value and anomaly threshold of <em>Rn</em> concentration on the granite rock of Dai Loc complex and on the remaining rocks are 33,488 Bq/m<sup>3</sup>, 82,839 Bq/m<sup>3</sup> and 5313 Bq/m<sup>3</sup>, 24,850 Bq/m<sup>3</sup> respectively. Spatial distribution of Rn concentration in soil gas reflects the existence of faults since Rn concentration increases at the points above or near fault lines. The level of expression of fault activity is assessed by radon activity index (<em>KRn</em>), which is calculated by the ratio of anomaly value to background value of <em>Rn</em> concentration. According to <em>KRn</em>, in Thua Thien Hue area, only the Dakrong-Hue fault shows a strong expression of activity with high and very high <em>KRn</em> (the maximum <em>KRn</em> = 27.21). The Truong Son, Huu Trach River, Ta Trach River and Bo River fault zones do not show clear activity with low and medium <em>KRn</em>. There is no Rn anomaly value recorded on the Rao Trang fault, demonstrating that it is likely to be inactive at present. The study results indicate that the Rn concentration in soil gas is a strong evidence of the existence of faults or tectonic fracture zones as the <em>Rn</em> concentration always increases at the points above or near the fault line. 展开更多
关键词 RADON Active Fault Radon Activity Index Thua Thien hue VIETNAM
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A color image tracking method based on target characteristic hue decision
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作者 Xu Yiming Liu Xiaoli Liu Yixin 《Engineering Sciences》 EI 2010年第4期70-73,共4页
Conventional correlation matching algorithms waste great time in invalid area search. This paper proposes a color tracking method based on correlation search area optimization on target characteristic hue decision. By... Conventional correlation matching algorithms waste great time in invalid area search. This paper proposes a color tracking method based on correlation search area optimization on target characteristic hue decision. By quantifying and reducing dimensions of HSV( hue saturation value) color space, a one-dimensional hue space is constructed. In the space, the target characteristic hue granule set is constructed, which contains attributes such as value, area and average distance between pixels and aiming center. By using granular computing method, the similarity between target and search blocks is obtained and the invalid search areas can be removed. The color tracking experiment has proved that the algorithm can improve real time performance for conventional matching algorithms without precision lost. 展开更多
关键词 color image tracking correlation matching characteristic hue granular computing
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The Normal Color Vision Evaluated With FM 100-hue Test
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作者 Shizhou Huang Lezheng Wu De-Zheng Wu Zhongshan Ophthalmic Center,Sun Yat-Sen University of Medical Sciences and National Ophthalmological Laboratories,Ministry of Public Health,China Guangzhou 510060,China 《眼科学报》 1993年第3期158-160,145,共4页
One hundred and twenty normal subjects (240 eyes) agedfrom 10 to 69 were tested with FM 100-hue test.They were divided into6 groups according to their age.It was shown that there were no statisti-cally significant dif... One hundred and twenty normal subjects (240 eyes) agedfrom 10 to 69 were tested with FM 100-hue test.They were divided into6 groups according to their age.It was shown that there were no statisti-cally significant difference in the total error score (TES) between the malesand females or between the right and left eyes,but there existed some rela-tionships between the TES and age.The total error score (TES) was thelowest in the 20-29 age group and increased gradually with aging.Theanalysis of the partial... 展开更多
关键词 color vision NORMAL FM 100-hue test
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AMD和Rhythm & Hues携手参与电影《夜魔侠》的制作
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《电脑技术——Hello-IT》 2003年第3期54-54,共1页
关键词 美国 AMD公司 RHYTHM & hues公司 电影制作 《夜魔侠》 Delta500工作站 视觉效果
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FM100-Hue测试系统在民航飞行员色觉检查中的应用 被引量:3
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作者 张银娟 徐秉兴 +3 位作者 沈超 刘喜文 马进 胡文东 《职业与健康》 CAS 2019年第17期2366-2369,共4页
目的检测基于计算机的FM100-Hue(computer-based FM 100-hue,CBFM)的准确性和有效性,并计算该测试方法对辨色力定量检测的截断点,为民航航空人员色觉检查方法的完善和改进提供参考和依据。方法 2018年9—12月,对符合纳入标准的150名某... 目的检测基于计算机的FM100-Hue(computer-based FM 100-hue,CBFM)的准确性和有效性,并计算该测试方法对辨色力定量检测的截断点,为民航航空人员色觉检查方法的完善和改进提供参考和依据。方法 2018年9—12月,对符合纳入标准的150名某空军学院本科学员进行人工FM100-Hue(Manual Farnsworth-Munsell 100-hue,MFM)测试仪和CBFM测试系统检测,分析两种测试方法结果的差异性,并建立CBFM测试系统定量测试的临界值。结果 CBFM与MFM的测试结果差异无统计学意义[(19.32±17.57)vs (19.58±17.36),P>0.05],且前者的测试时间小于后者[(10.85±2.77)min vs(12.56±2.86)min,P<0.05],两种方法的相关系数r=0.573(P<0.01)。结果显示,CBFM测试系统测试者的辨色力与其得分成反比。CBFM得分为32,为分辨颜色能力优秀与一般及较差的临界点,灵敏度(67.0%)和特异度(95.7%)均较高;CBFM得分为100,为分辨颜色能力较差与一般及优秀的临界点,灵敏度(98.4%)和特异度(98.9%)高。结论 CBFM易操作、准确性高,可量化分析测试者的辩色能力,该测试方法可为民航航空人员色觉检查方法的完善和准确提供参考和基础。 展开更多
关键词 FM100-hue 飞行员 色觉 检查
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中国传统青色与绿色植物染服饰色彩辨析
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作者 郭鹏丽 徐伟津 +1 位作者 缪斌斌 王越平 《毛纺科技》 CAS 北大核心 2024年第1期32-36,共5页
青绿色系是中国传统服饰色彩中的重要组成部分,其中青色位于传统五正色首位。针对传统服饰色彩中青色与绿色的色彩边界模糊,常常统称为青绿色系的问题,文章首先测量故宫博物院官网上以青绿色命名的清代纺织品的色度值,其次采用传统单染... 青绿色系是中国传统服饰色彩中的重要组成部分,其中青色位于传统五正色首位。针对传统服饰色彩中青色与绿色的色彩边界模糊,常常统称为青绿色系的问题,文章首先测量故宫博物院官网上以青绿色命名的清代纺织品的色度值,其次采用传统单染、复染以及与黄色系、红色系植物染料套染等染色技法,对染色后织物的色度值进行测量,比较图片数据与染色实验结果得出我国传统青、绿色系所表示的色度值范围。结果表明:绿色多指出现在第2、3象限的黄绿色,围绕在a轴负值上下,色度值大致范围为a^(*)值≤-10,b^(*)值为-10~50;青色色度值为a^(*)值在-10~10之间,b^(*)值在-70~10范围内,其中L^(*)值较小的一类色彩(-10≤a^(*)、b^(*)值≤10),如石青色、元青色、玄青色等,为狭义的青色。绿色与青色在第3象限有少量交叉。 展开更多
关键词 植物染色 青色系 绿色系 色相分析 染色实验
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文本视觉密度与界面色调对老年人数字健康教育的影响研究
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作者 彭程 易敏哲 +1 位作者 吴群 于航勇 《图学学报》 CSCD 北大核心 2024年第3期613-623,共11页
数字健康教育以丰富的内容和灵活的教育方式在提升百姓健康素养方面做出了巨大贡献,但由于老年群体认知能力和视觉水平的衰退,在接受数字教育时常面临信息难以识别、理解困难等问题。因此,以数字健康教育平台阅读界面为研究对象,分析了... 数字健康教育以丰富的内容和灵活的教育方式在提升百姓健康素养方面做出了巨大贡献,但由于老年群体认知能力和视觉水平的衰退,在接受数字教育时常面临信息难以识别、理解困难等问题。因此,以数字健康教育平台阅读界面为研究对象,分析了界面视觉设计对老年群体阅读效果和认知负荷的影响。研究中的自变量为文本视觉密度和界面色调,因变量为阅读绩效。2×2双因子实验结果表明:①低文本密度下的阅读理解效果优于标准密度;②冷色调的阅读理解效果优于暖色调;③文本视觉密度与界面色调在阅读时间上存在显著的交互作用。冷色调在标准密度下的阅读用时更少,而暖色调在低密度下的阅读用时更少。研究从健康教育内容传播的视角进行界面设计分析,丰富了老年数字阅读体验数据,探讨了文本视觉密度和色调在界面中的效果与交叉关系,为提升老年人数字教育效能提供了具体设计建议。 展开更多
关键词 数字健康教育 老年人学习 界面视觉设计 文本视觉密度 界面色调
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血型检测凝集反应结果P-HSV综合判定方法
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作者 付瑛琪 赵一兵 +2 位作者 唐琪 佟悦 李彦清 《吉林大学学报(信息科学版)》 CAS 2024年第3期465-475,共11页
由于传统血型检测结果的确定取决于有经验的工作人员,使检测效率低下且准确性有待提高。为此,针对微流控血样芯片,首次提出了一种基于图像识别技术的P-HSV(Perimeter-Hue,Saturation,Value)综合判读方法。该方法采用血液凝集反应后的血... 由于传统血型检测结果的确定取决于有经验的工作人员,使检测效率低下且准确性有待提高。为此,针对微流控血样芯片,首次提出了一种基于图像识别技术的P-HSV(Perimeter-Hue,Saturation,Value)综合判读方法。该方法采用血液凝集反应后的血红细胞凝集尺寸和颜色对血液类型进行综合判读。尺寸判读依据反应腔内凝集块轮廓边缘周长和凝集块数量进行分级,颜色判读依据反应腔内凝集块颜色饱和度(S:Saturation)与明度(V:Value)比值进行分级。根据尺寸和颜色判读结果综合判断凝集反应的等级。由于该方法依据机器视觉原理进行血液凝集反应结果的判断,因此可以快速、准确、客观判断血液类型,杜绝了人为判断的主观性,极大提高了检测速度和准确率。 展开更多
关键词 血型检测 图像判读 轮廓周长 HSV颜色模型
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纬编伪彩色像景织物花型意匠自动生成算法
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作者 潘苏情 朱昊 +1 位作者 徐辉 李忠健 《针织工业》 北大核心 2024年第10期15-20,共6页
纬编提花像景织物由于织物结构及织造工艺条件限制,只能使用少量颜色。为了将数字图像自动转换为纬编提花图案,减少细节损失,文章将图像从RGB空间转换到HSV空间,通过最大类间方差法将图像色相量化到2~3个,然后利用映射模板将2~3个不同... 纬编提花像景织物由于织物结构及织造工艺条件限制,只能使用少量颜色。为了将数字图像自动转换为纬编提花图案,减少细节损失,文章将图像从RGB空间转换到HSV空间,通过最大类间方差法将图像色相量化到2~3个,然后利用映射模板将2~3个不同的色调与纯黑和纯白结合,替换图像中不同的饱和度和亮度,呈现出原始图像中的不同颜色。最终生成仅包含2~3个颜色和黑、白两色的数字图像作为纬编伪彩色针织像景织物的花型意匠图,且其中的颜色数为4~5个,适合作为纬编提花意匠图。 展开更多
关键词 HSV空间 色相量化 饱和度和亮度模板 花型意匠图
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基于光子晶体结构色传感器的软体机器人运动检测方法
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作者 唐金科 王瑞乾 +2 位作者 张艺伟 张闯 王文学 《光通信技术》 北大核心 2024年第3期74-78,共5页
为了解决软体机器人难以实现基于实时反馈信号的精确运动控制的问题,提出了一种基于光子晶体结构色传感器色相的软体机器人运动检测方法。该方法的工作机理在于,当软体机器人活动时,集成在其上的光子晶体结构色传感器颜色会发生变化,通... 为了解决软体机器人难以实现基于实时反馈信号的精确运动控制的问题,提出了一种基于光子晶体结构色传感器色相的软体机器人运动检测方法。该方法的工作机理在于,当软体机器人活动时,集成在其上的光子晶体结构色传感器颜色会发生变化,通过图像处理技术检测这些色相变化,并根据色相信号和运动状态之间的映射关系,实现对软体机器人运动状态的跟踪监测。色相检测稳定性测试结果表明,不同亮度和饱和度下的平均色相值分别为179.97°、179.67°,标准差分别为0.51、0.36。 展开更多
关键词 光子晶体 色相检测 软体机器人 运动检测 结构色
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