• Title/Summary/Keyword: Regional Color

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Design of Image Retrieval System using Color and Morphological Informations based on Binary Sets (이진집합기반에서 칼라와 형태정보를 이용한 영상 검색시스템 설계)

  • 김성동;최기호
    • Journal of Korea Multimedia Society
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    • v.3 no.6
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    • pp.575-584
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    • 2000
  • This paper presents a new image retrieval system with color and morphological informations based on binary sets. Each of them can be obtained from color binary sets and regional segmentation separately. For retrieval processes, the candidate images are decided by comparing color and their image binary sets of the database with query images. Particularly, it is possible that the retrieval of similar-measurements has a weight of color spatial distribution and its objective morphological features. We proposed a new idea for performing simply the complicated similar-measurement of candidated images to improve queried processes. The retrieval method using spatial and morphological features is shown with the effectiveness on the result of implementation on database with 3,000 images.

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Color soft contact lens and corneal thickness

  • Kim, Douk-Hoon
    • Journal of Korean Clinical Health Science
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    • v.7 no.1
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    • pp.1205-1214
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    • 2019
  • Purpose: To investigate the effect of color soft contact lenses on the corneal thickness in young Korean population. Methods: The subjects consisted of 112 eyes (7 males, 49 females) with the mean age of $20.987{\pm}1.093years$ (range 20-25 years) in young Korean population during 2018. Test was compared the corneal thickness before and after wearing color soft contact lenses. The thinnest cornea thickness(TCT), central cornea thickness(CCT), pupil centre thickness(PCT), superior corneal thickness(SCT),inferior corneal thickness(ICT), medial corneal thickness(MCT), lateral corneal thickness(LCT) of the cornea was measured using the Pentacam pachymetry. The statistically analysis was perform the Shaparo-Wilk test. Results: The right eye was a statistically significant among the CCT,LCT, MCT and TCT values(p<0.001) in the compared the corneal thickness before and after wearing soft colour contact lenses. Also the left eye was a statistically significant among the LCT and MCT values(p<0.001) in the compared the corneal thickness before and after wearing soft colour contact lenses. However, there was no statistical difference (p>0.5) in the mean PCT between before and after wearing color soft contact lenses. Conclusion: These results suggested that the color soft contact lens wear can the effect the regional thickness of cornea. Therefore, the analysis of corneal topography with Pentacam can provide correct and useful diagnostic information of the morphology of the RGP contact lens fitting and diagnosis of corneal refraction surgery.

Individual Tooth Image Segmentation by Watershed Algorithm (워터쉐드 기법을 이용한 개별적 치아 영역 자동 검출)

  • Lee, Seong-Taek;Kim, Kyeong-Seop;Yoon, Tae-Ho
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.59 no.1
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    • pp.210-216
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    • 2010
  • In this study, we propose a novel method to segment an individual tooth region in a true color image. The difference of the intensity in RGB is initially extracted and subsequent morphological reconstruction is applied to minimize the spurious segmentation regions. Multiple seeds in the tooth regions are chosen by searching regional minima and a Sobel-mask edge operations is performed to apply MCWA(Marker-Controlled Watershed Algorithm). As the results of applying MCWA transform for our proposed tooth segmentation algorithm, the individual tooth region can be resolved in a CCD tooth color image.

A Study on the Investigation of Overseas Case in Street Furnitures of Public Design (공공디자인의 가로시설물에 대한 해외 사례의 조사 연구)

  • Cho, Won-Seok;Kim, Heung-Gee
    • Journal of the Korean Institute of Rural Architecture
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    • v.11 no.3
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    • pp.11-18
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    • 2009
  • The purpose of this paper is to find out the investigation of overseas case in Street Furnitures of Public Design. Thus this research regions select among the waterfront cities; Tokyo/Yokohama(Japan), Nies/Cannes(France), Shanghai(China), Vancouver(Canada), in addition to the city of art and romance; Paris. Above all, it is necessary to study concept of public design and definition of street furnitures. The survey data collected from forenamed cities and the items of street furnitures are various installments such as kiosk, bench, bollard, litter-bin, sign board, toilet, bus/taxi station, fence, shelter, lighting column, fountain, telephone-booth, clock-tower, automaton, bicycle stand, playing object etc. In this study street spaces are analysed that is related to regional surroundings and pedestrian's culture. Consequently, design trend of street furniture in foreign case analysis are going into thoroughly modern image as well as checking of form, color, material and maintenance system. According to the above findings, this paper will provide basic data for establishing of the street furniture and improving of public design to the regional citizen, local government officials and regional experts.

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Analysis on Color Shaping the Space of Animated Film Coco (애니메이션영화 <코코> 색상이 공간의 모델링 분석)

  • Yue, Xiao Ling
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.3
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    • pp.343-350
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    • 2019
  • As an important visual element, color in animated films can not only depicts the reality, but also conveys emotion and meanings, which play an important role in shaping the space of animated films. As one of the most outstanding animated films, Coco uses bold and unique color language to shape the film space. It uses the national color to blend the Mexican culture into the story space making it full of Mexican regional and cultural connotation, uses color contrast to shape the physical space, highlighting the three-dimensional and deep sense of the physical space. And also uses color association to create the psychological space, leading audience into the spiritual world of the film. Based on the analysis of the Coco, we an see that when shape the film space of animation, the film maker should give full play to the characteristics and function of color, and apply different color language to shape different space according to the role of the film space, so as to expand and deepen the connotation and expressiveness of film space.

A Study on Tracking and Quantitative Analysis of Regional Left Ventricular Wall Motion in Echocardiography (심초음파에서 국소 좌심실벽 운동 추적 및 정량적 분석에 관한 연구)

  • 신동규;김동윤;최경훈;박광훈
    • Progress in Medical Physics
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    • v.10 no.3
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    • pp.115-123
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    • 1999
  • The two dimensional echocardiography is widely used to evaluate regional wall motion abnormality, because of its abilities to depict left ventricular wall motion. A number of researches have been processed for evaluation and quantitative analysis of left ventricular wall motion functions. In this paper, we proposed an algorithm which detects automatically and analyze quantitatively endocardial wall motion during systole. The echocardiograms were obtained in the short-axis views in normal subjects. Automated edge detection and endocardial contour tracking algorithm was applied to each frames, quantitative analysis based on segmentation was performed, pre-defined color overlays superimposed on the gray scale images, and the images was animated. The proposed algorithm provided automated, quantitative diagnosis of regional wall motion abnormality.

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Classification of Micro-Landform on the Alluvial Plain Using Landsat TM Image: The Case of the Kum-ho River Basin Area (Landsat TM 영상(映像)을 이용한 충적평가(沖積平野) 미지형(微地形) 분류(分類) -금호강(琴湖江) 유역평야(流域平野)를 대상으로-)

  • Jo, Myung-Hee;Jo, Wha-Ryong
    • Journal of the Korean association of regional geographers
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    • v.2 no.2
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    • pp.197-204
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    • 1996
  • We attempt to classifing method of micro-landform on the alluvial plain, such as natural-levee, backmarsh and alluvial fan, using false color composite of Landsat Thematic Mapper image. The study area is Kumho River Basin on the southeastern part of Korea peninsula. The most effective image for micro-landform classification is the false color composite of band 2, 3 and 4 with blue, green and red filtering. The most favorable time is the middle third of November, because of the density differentiation of green vegetation in most great. In this time the paddy field on the back-marsh is bare by rice harvesting. But on the natural levee the green vegetation, such as vegetables and lower herbs under fruit tree, remain relatively more. On the alluvial fan, the green vegetation condition is medium. For the verification of the micro-landform classification, we employed the field survey and grain size analysis of the deposition of each micro-landform on the sample area. It is clarified that the classification method of micro-landform on the alluvial plain using the Landsat TM image is relatively useful.

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Analytical Determination of Cyanide in Maesil (Prunus mume) Extracts (매실추출제품의 시안화합물 분석법에 관한 연구)

  • Kim, Eun-Jung;Lee, Hwee-Jae;Jang, Jin-Wook;Kim, In-Young;Kim, Do-Hyeong;Kim, Hyun-Ah;Lee, Soo-Min;Jang, Ho-Won;Kim, Sang-Yub;Jang, Young-Mi;Im, Dong-Kil;Lee, Sun-Hee
    • Korean Journal of Food Science and Technology
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    • v.42 no.2
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    • pp.130-135
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    • 2010
  • Picrate, enzyme-picrate and instrumental analysis methods using IC (Ion Chromatography) and HPLC (High Performance Liquid Chromatography) were compared for their effectiveness in determining cyanide in extracts of Maesil, which is classified as a harmful substance. First, the picrate method showed the shortest analysis time (about 5 hr). The color of picrate paper changed at 0.01 mg/$200\;mL\;CN^-$. However, it was difficult to detect cyanide from amygdalin of glucosides. Second, we performed a qualitative analysis for total cyanide (free cyanide and cyanide from amygdalin) by the enzyme-picrate method using $\beta$-glucosidase and a quantitative analysis by spectrophotometry. Finally, analysis of cyanide by IC and HPLC required the longest determining time (about 17 hr) as well as pretreatment for each free cyanide and amygdalin. These results suggest that enzyme-picrate is the most effective analysis method for the detection of cyanide in Maesil extracts.

A study on the Modification of Fastness Formulae and the Measurement of Staining Fastness by CCM

  • Park, Ju-Young;Hong, Min-Gi;Lee, Nan-Hyeng;Kim, Sam-Soo;Hudson Samuel M.;Park, Sung-Su
    • Textile Coloration and Finishing
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    • v.18 no.5 s.90
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    • pp.80-87
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    • 2006
  • A new fastness formula based on the CIEDE2000 color-difference formula was developed by B. Rigg and his coworkers. It is much simpler to calculate the staining fastness grade than the ISO 105-A04 fastness formula based on the CIELAB color-difference formula. Sample pair sets, which cover a wide color space range were accumulated from the NCS(Natural Color System) color book. for those sample pair sets, a visual measurement experiment and an instrumental measurement experiment of fastness grade were carried out. Each performance of the ISO 105-A43 fastness formula and newly developed fastness formula was compared through degree of agreement for visual measurement results. The newly developed fastness formula indicated improved performance for measuring fastness grade as it was confirmed that the performance of the current ISO fastness formula ISO 105-A04 for assessing staining, was inadequate for measuring fastness grade. Then the fastness formulae were examined more closely according to the particular color spaces and the correlation of hue, lightness and chroma for measuring staining fastness grade was also considered to recommend more improved fastness formula. By modifying the weighting functions of CIEDE2000, which is a basis of new fastness formula developed by B. Rigg, a modified fastness formula is proposed in this study.

Quality Characteristics of Ginseng Coffee Treated by Coating of White Ginseng Extract

  • Kim, Kyung-Tack;Lee, Young-Chul;Cho, Chang-Won;Rhee, Young-Kyoung;Bae, Hye-Min
    • Journal of Ginseng Research
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    • v.34 no.1
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    • pp.1-7
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    • 2010
  • The quality attributes of coffee treated with different concentrations of white ginseng extract were examined. Increased concentration of white ginseng extract was associated with higher color values (Hunter L. a, b scale). The crude saponin contents of untreated roasted coffee beans (control) and those coated with $5^{\circ}$ Brix (WGC-1) and $20^{\circ}$ Brix white ginseng extract (WGC-2) were 8.29%, 8.74%, and 8.93%, respectively. The total ginsenoside contents of WGC-1 and WGC-2 were 0.3 mg/g and 0.6 mg/g, respectively. In the case of major ginsenosides, the contents of ginsenosides $Rg_1,\;Rg_2,\;Rb_1,\;Rb_2,\;Rg_2,\;Rh_1$, and $Rg_3$ increased directly with the concentration of white ginseng extract. Total sugar and acidic polysaccharide contents also increased directly with the concentration of white ginseng extract. The coffee beans coated with ginseng extract scored significantly higher ginseng taste scores than the control (p<0.005) in sensory evaluation. In terms of coffee taste, WGC-2 had significantly lower scores than the commercial coffee bean. In the consumer sensory evaluation, overall preference did not differ significantly among the treatments.