• 제목/요약/키워드: Color meter

검색결과 171건 처리시간 0.023초

피부색의 계절에 따른 부위별 차이와 특성 -피부색 지도 설계를 위한 연구 I- (Topographic Variations of the Seasonal Skin Color -A Study for the Map of the Skin Color 1-)

  • 박명희;김경순
    • 복식
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    • 제54권7호
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    • pp.79-90
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    • 2004
  • In this study we tried to find the skin color of Koreans according to the change of seasons, and to the degree of make-up used by men and women. in order to furnish foundation data that could be used in the cosmetics and clothes industries. The skin color was measured with Minolta's Chrome Meter CR-200 in seven parts of the body with Munsell's hue, value, chroma. The difference in skin color in men and women's groups, and the difference in skin color of each group in March and in September were treated with SPSS's Anova and t-test. 1. In both seasons. March and September, a big difference could be observed between the two groups (men and women's). The body was more yellowish than the face. The men's group had a reddish skin color than the women's groups. In all groups we could observe a big difference in color between seasons, and in March, the skin was more reddish whereas in September, it became more yellowish. 2. As for the value, both in March and in September, the hairline was darkest, and the lightest areas were the jaw and the inner arm which showed a similar value. The group of women who put on make-up had the highest value, whereas the men's group showed the lowest result in value. We suppose it to be due to the fact that Putting on make-up prevented the melanin pigmentation by blocking the UV rays. 3. We could observe the highest value in chrome in the chin area both in March and in September, and there was no significant change. There was a difference in men and women's groups, but not a significant one within the women's groups.

대학생의 선지각에 관한 연구 (A Study on the Color Perception of University Students)

  • 안옥희;박숙현;이정옥
    • 한국조명전기설비학회지:조명전기설비
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    • 제7권4호
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    • pp.19-25
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    • 1993
  • 본 연구는 한국표준색의 색지각 범위를 파악하는데 그 목적이 있다. 남자 99면, 여자 126명의 대학생을 실험대상으로 하였으며 육안비색법과 색측정기를 사용하여 분석하였다.그 결과 다음과 같은 사항을 밝혔다. 1) 색지각은 크게 4가지 유형으로 구분되었다. 즉, 빨강, 주황, 귤색, 노랑이 속한 단순형, 다홍, 노랑연두, 연두, 보라, 붉은 보라가 속한 X형, 초록, 청록, 바다색, 파랑, 감청이 속한 Y형, 풀색, 녹색, 남색, 남보라, 자주, 연지가 속한 복합형이다.2) 표준색과 평균지각색을 비교한 결과, 다홍, 노랑, 노랑연두, 연두, 풀색, 녹색, 초록, 보라는 그 값이 유사하였으며 파랑, 바다색, 붉은 보라, 연지 등은 표준색과 평균 지각색 사이의 차가 크게 나타났다. 3) 성별에 따른 지각차는 많은 색에서 나타났으며 여성이 남성보다 정확하게 색을 지각하고 있다는 것이 밝혀졌다.

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솔잎분말을 첨가한 소시지의 품질특성 (Quality Characteristics of Sausage with Added Pine Needle Powder)

  • 권순용;신명은;이경희
    • 동아시아식생활학회지
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    • 제22권3호
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    • pp.357-364
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    • 2012
  • Quality characteristics of sausage with added pine needle powder (0%, 0.5%, 1.0%, 1.5%, 2.0%, and 2.5%) as an ingredient. The basic ingredients of sausage consisted of pork meat 60%, olive oil 20%, and ice water 20%. Sensory properties of sausage were analyzed by a sensory test, and the texture and color characteristics were measured using a texturometer and color meter, respectively. In the results of the sensory test, taste, texture, and overall preference were highest in the sample with added 1.5% pine needle powder. The sausage with added 1.5% pine needle powder was moderate in color intensity, pine needle flavor, and astringent taste. Hardness and gumminess of sausage were higher in 1.0% and 1.5% pine needle powder. However, springness and chewiness of sausage showed no significant differences. In terms of color intensity of sausage, L-value and a-value were lower and b-value was higher, depending on the pine needle powder amount. Development of off-flavor of sausage during storage was greater in 0% and 1.5% added sausages than in 2.0% sausage with increasing storage time. As a conclusion, sausages with added 1.5% and 2.0% pine needle powder were the most suitable for making functional sausage with added pine needle powder.

이색 PIV 기술을 이용한 5밸브 가솔린엔진 연소실 내의 유동특성 분석 (Investigation on the In-Cylinder Flow of 5-Valve Gasoline Engine by Using Two Color PIV Method)

  • 이기형;우영완;박상찬;이창식
    • 대한기계학회논문집B
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    • 제26권2호
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    • pp.238-244
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    • 2002
  • A 5-valve(intake 3-valve) engine has been developed to increase engine performance. These engines have a high power caused by the decrease of inertia mass of an intake valve and the increase of intake effective area. In this study, in-cylinder flow patterns were visualized with laser sheet method and velocity profiles at near intake valves were inspected by using a two-color PIV. In addition, steady flow tests were performed to quantify tumble ratio of flow-fields generated by a tumble control valve(TCV). Experimental results of steady flow test show that the cure of tumble ratio in intake 3-valve engine farmed as a S shape with valve lift changes. This tendency is different from the one in intake 2-valve engine. Using laser sheet method and two color PIV method, we can find that the intake flow through upper valve increases and the velocity gradient also slightly increases as valve lift increases. From this study, the in-cylinder flow characteristics around intake valves were made clearly.

집청액 종류에 따른 화전의 관능적 및 물리적 특성 (Sensory and Physical Characteristics of Hwajeun Prepared with Various Kinds of Dipping Syrups)

  • 장명숙;박정은
    • 한국식품조리과학회지
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    • 제19권5호
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    • pp.659-666
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    • 2003
  • The purpose of this study was to standardize the various methods and recipes of Hwajeun (glutinous rice pancake with flower) that appeare in the literature. For this purpose, the effects on sensory and physical characteristics of Hwajeun in various kinds of dipping syrups (S1 : honey, S2 : rice syrup, S3 : com syrup, S4 : sugar syrup and S5 : sugar) during storage for 24hrs were investigated. This experiment consisted of the measurement of water content, color difference meter, texture analyser and sensory evaluation for acceptance (color, flavor, moistness, softness, chewiness, adhesiveness, sweetness and overall acceptability). The moisture contents decreased with increasing storage time, indicating that S1 had a significantly (p<0.01) high value until 12hrs. The colorimetric values of lightness (L), redness (a) and yellowness (b) decreased and the total color difference values ($\Delta$E) increased with increasing storage time. In the two bite compression test, the hardness of S1 and S3 showed significantly (p<0.0001) lower values than other samples. As a result of the sensory evaluation for Hwajeun prepared with various kinds of dipping syrup, S1 and S3 were most preferred in color, flavor, moistness, chewiness, adhesiveness, sweetness and overall acceptability of sensory evaluation.

녹두전분과 설탕의 함량을 달리한 도편(桃片)의 품질특성과 기호도 (Effect of Addition of Mung Bean Starch and Sugar on the Textural and Sensory Properties of Dopyun)

  • 박금순;박찬성;박어진
    • 한국식품영양과학회지
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    • 제27권5호
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    • pp.897-902
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    • 1998
  • This study was conducted to develop the standard recipe of Dopyun according to the various content of mung bean starch and sugar. The effects of mung bean starch(10%, 15%, 20%) and sugar(20%, 30%) were evaluated on textural and sensory properties of Dopyun through the mechanical properties using texture analizer and sensory evaluation. Color was tested by color and color difference meter. For sensory evaluation, higher content of sugar and lower content of mung been starch(sugar 30%, mungbean starch 10%) showed advantages in acceptance fo taste and overall quality. Mechanical properties of hardness, cohesiveness and chewiness of Dopyun were increased significantly in Dopyun with higher content of mung bean starch and sugar. The values of Hunter color system indicated that "L" and "b" values tended to decrease and "a" value increase, as the mung bean starch and sugar proportion increased. In the analysis of correlation between sensory evaluation and acceptance test, it was found that they were highly related. In view of the above results, it came to the conclusion that Dopyun with the addition of 30% sugar and 10% mung bean starch could give the best result among the groups studied.sult among the groups studied.

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가열조건에 따른 마른김의 색택 변화 연구 (Color change of dried laver according to heating conditions)

  • 이경인;이근직;윤영승
    • 한국해양바이오학회지
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    • 제16권1호
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    • pp.19-25
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    • 2024
  • To verify the color change in dried laver postproduction during the heating process, chromaticity elements were compared via a spectrophotometer across various heating conditions within the visible light spectrum. In general, the moisture reduction rate increased with rising temperature and time. Surface image comparisons revealed an expanded area of light reflection on the heat-treated dried laver sample due to surface roughening from shrinkage. No statistically significant differences in chromaticity values were observed in the measurements of brightness (L*), redness (a*), and yellowness (b*). Reflectance spectrum measurements in the visible light region confirmed high reflectance under red wavelength conditions. In particular, a significant increase in reflectance at 700 nm compared with untreated samples was noted. The correlation between the increase in 700 nm reflectance of dried laver samples and heating conditions ranged from 0.7471 to 0.7793, suggesting its potential use as an indicator for comparing color changes in dried laver based on heating conditions.

20대(代) 한국인(韓國人)의 얼굴색 지도(地圖) - 얼굴색 지도 설계를 위한 연구 I - (Facial Color Map of Koreans in Their Twenties - A Study for a Map of Facial Color I -)

  • 김경순;박명희
    • 복식
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    • 제60권6호
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    • pp.101-116
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    • 2010
  • The purpose of this thesis is in investigating the Korean twenties face color, according to the seasons, thus presenting a sample Korean Facial Color Map. The face is divided into 20 parts to take measures, and investigated through the four seasons. Minolta Chrome Meter CR-200 has been used for taking measures of the face color. Measuring subjects and area are, University students of both sex, living in the Suncheon. They are of ages the twenties. Classified measuring values of the skin colors are expressed following to the A. H. Munsell's color system. The result of this study is as followed. When comparing parts among male and female(make-up and no make-up) groups for changes with seasonal hue and value of a face color, differences have been sighted among these three groups following the seasons ; Spring(March), Summer(June), Autumn (September) and Winter(December). According to the result of Duncan's proof, the differences of the women group with the make-up attitude was shown only in value from Summer and Autumn, but no differences have been sighted between the make-up group and the no make-up group, concerning hue. Concerning hue, it was shown that men had a redder hue than women in all seasons. In Spring, both men and women had the strongest red hue, then from Summer to Autumn a strong yellowish hue appeared, to make place to a diverse coloring in Winter, followed by a reddish hue, to start all over again. Value number proved to be lower in the Summer and Autumn for the no make-up group when compared to the make-up group, showing an averaging high number for all seasons when putting on make-up; and men value number shows the lowest of the three groups.

도정도에 따른 쌀의 칼라 모델링 (Color Modeling of Milled Rice by Milling Degree)

  • 김의웅;김훈;이세은
    • 한국식품저장유통학회지
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    • 제12권2호
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    • pp.141-145
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    • 2005
  • RPC에서 도정수율은 물론이며 쌀의 품질과 직접 관계가 있는 도정도의 측정에 활용하기 위하여 3품종(추청, 남평, 오대)의 현미를 도정도 $0\~20\%$범위에서 도정하면서 측정한 백도를 이용하여 도정도별 비선형 백도모델을 개발하였으며, 이 때 결정계수는 0.990, RMSE는 0.877로서 실측치와 예측치는 잘 일치하여 개발된 백도모델은 적용이 가능한 것으로 판단되었다. 또한, 칼라간의 상관관계를 구명하기 위하여 Lab와 RGB 쌀의 칼라시스템의 칼라인자와 백도와의 상관관계를 검토한 결과, Lab 칼라체계에서 b값 및 Hunter whiteness와 RGB 칼라체계에서 B값이 각각 결정계수 0.990, 0.985, 0.989로서 백도와 높은 상관관계를 나타내었다. b값과 B값이 쌀의 노란색과 파란색정도를 나타내고 있어 쌀의 백도는 특히 노란색과 파란색의 정도로 나타낼 수 있음을 알 수 있었다.

금속산화물이 코팅된 마이카 티타니아 진주광택 안료의 제조 및 색차변화 (Preparation and Chrominance of Metal Oxide Coated Titania/Mica Pearlescent Pigment)

  • 이관식;강국현;이진희;이동규
    • 한국응용과학기술학회지
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    • 제30권2호
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    • pp.233-243
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    • 2013
  • 무지개 빛을 내는 무기진주광택안료는, 내광성, 내용제성 및 내열성 등이 물리적 화학적 안정성이 우수하여 다양한 분야에서 응용되고 있다. 본 연구는 수열합성방법을 사용하여 마이카 티타니아에 파란색 코팅 안료인 염화코발트를 기본으로 화장품 안료로 사용되는 진주광택안료를 합성하였다. 코발트에 의한 안료의 색상을 보완하고자 코발트와 금속 염의 비를 달리하여 안료를 코팅하고, 이를 통해 금속염의 종류에 따라 다양한 색차값을 구현하는 진주광택 안료를 합성하였다. 코발트와 첨가된 금속 염 전구체의 조성비와, 금속 염의 종류에 따라 코팅 특성과 색상을 조절할 수 있었고, 안료의 다양한 색상변화 특성을 색차계를 통해 확인 하였다. 합성된 안료는 SPM, SEM, XRD, EDS 기기를 통해 특성을 분석하였다.