• Title/Summary/Keyword: VISUAL CHARACTERISTICS

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A Study or the Analysis of EEG Evoked by Visual Stimulation using Wavelet Transformation. (Wavelet변환을 이용한 시각자극에 의해 유발되는 뇌파의 분석에 관한 연구)

  • Kim, J.H.;Whang, M.C.;Im, J.J.
    • Proceedings of the KOSOMBE Conference
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    • v.1997 no.11
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    • pp.455-458
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    • 1997
  • We are exposed to the various external stimuli input from the environment, which cause emotional changes based on the characteristics of the stimuli. Unfortunately, there are no quantitative results on relationship between human sensibility and the characteristics of physiological signals. The objective of this study was to quantify EEG signals evoked by visual stimulation based on the assumption that the analysis of the variability on the characteristics of the EEG waveform may provide the significant information regarding changes in psychological states of the subject. Seven university students were participated in this study. The experiment was devised with eleven experimental conditions, which are control and ten different types of visual stimulation based on IAPS (International Affective Picture Systems). Wavelet transformation was employed to analyze the EEG signals. Most positive and negative emotional response were compared in pairs. The results showed that the reconstructed signals at the decomposition level revealed the different energy value on the EEG signals. Also, general patterns of EEG signals in rest state compare with positive and negative stimulus were found. This study could be extended to establish an algorithm which distinguishes psychophysiological states of the subjects exposed to the visual stimulation.

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A Study on the Metaphorical Expression Characteristics of New Materials for Emotional Housing Space Design (감성주거공간디자인을 위한 신소재의 은유적 표현 특성에 관한 연구)

  • Jung, Sun-Hee;Seo, Ji-Eun
    • Journal of the Korean housing association
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    • v.23 no.3
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    • pp.71-78
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    • 2012
  • This study analyzed metaphorical characteristics of composite materials in terms of a visual aspect on a new material that is applicable for housing space. The results are as follows. First, the recent trend of housing space tends to stimulate emotions of residents through visual finishing materials, and for this reason, visual expression of a new material that is applicable to finishing materials plays an important role. Second, convertibleness, association and duplicity were selected as items of metaphorical expressions through the precedent studies. Third, most of combinations of materials were shown different from the existing materials in an expressive characteristic of composite materials through analysis, and application of a technology showed a different visual effect of patterns and textures from the existing materials. This implies that visual expression and directing are being attempted using such technology on finishing materials of housing space with development of digital technologies. Fourth, for metaphorical characteristics of composite material for housing space, combination of various materials and a digital technology were applied on convertibleness. For association, a combination of materials that have each different characteristic associated with the third material, and combination with subsidiary material of optical fiber and a digital technology were appled for duplicity. Data obtained from the results of this study has high efficiency in planning finishing materials for emotional housing space in future, and it will be basic data for a study on development of new finishing materials.

Landscape planning and conservation for cultural -historical places to improve landscape experience-focused on Kyoung Ju city- (경관경험의 향상을 위한 문화.역사 지역의 경관계획 및 관리에 대한 연구 - 경주시 문화재와 주변지역을 중심으로 -)

  • 이영경;민창기
    • Journal of the Korean Institute of Landscape Architecture
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    • v.26 no.2
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    • pp.155-165
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    • 1998
  • Cultural-historical places, due to their strong symbolic sense of place shared in various people, have important impacts on people's cognitive and emotional reactions. Especially, the visual characteristics of surrounding areas of cultural -historical places directly influence the way the places are perceived, because they function as a visual background of the places. This study examined how the visual characteristics of surrounding landscape of cultural-historical places nfluenced the perception of the places. The visual characteristics of the surrounding landscape was minipulated by a computer simulation in the two aspects; quality and scale. The quality of the simulated landscape was divided by two kinds : natural and artificial . The scale of the simulated landscape was classified by three kinds : 1/3 of the middle ground, 2/3, and 3/3. Specifically, in each photo simulation, simulated natural or artificial background was introduced up to 1/3, 2/3 or the full height of historic monument. After a computer simulation, people's cognitive and emotional reactions to the simulated slides were investigated. The results showed that the quality of surrounding landscape have a great impact on all the cognitive and emotional reactions investigated. On the vontrary, the scale of surrounding landscape was found to habve an impact on partial reactions, such as all the emotions, part of the cognitions, and visiting preference only. The results revealed that the visual characteristics of surrounding landscape should be considered as the crucial elements in planning of cultural-historical places. Based on the study results, several suggestions were made for the landscape planning and conservation for cultural-historical places and historic cities.

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A Study of the Visual Components and Characteristics of the Integrated Identity of Winter Olympics - Focused on the Cases of the Vancouver, Sochi, and Pyeongchang Winter Olympics (동계올림픽 통합 아이덴티티의 시각적 구성요소와 특성 연구 - 밴쿠버, 소치, 평창 동계올림픽 사례중심으로)

  • Lee, Young hwa
    • Journal of the Korea Convergence Society
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    • v.9 no.6
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    • pp.155-162
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    • 2018
  • A case study was conducted to investigate the characteristics of the visual components affecting the integrated identity design of Winter Olympics for its establishment. The targets of the investigation were limited to the Winter Olympics held after 2010, including the Vancouver, Sochi, and Pyeongchang Winter Olympics. The first survey investigated the characteristics of the visual components, and the second survey analyzed the design characteristics, including connectivity, variability, expandability, and connectivity and could draw the following results. The integrated identity of Winter Olympics maintained the connectivity, providing the integrated recognition of visual components, and there was a variability according to its use. In addition, connective images were maintained with each other. However, it was noted that there was little expandability utilized flexibly according to the applied media in the emblem and slogan even in the various changes. Hopefully, these results will be utilized as the basic data for the development of integrated identity strategies, effective for the production of the design of the emblem of the Olympics in the future.

Surrealistic Characteristics Expressed in Fashion Ads

  • Ko Hyun-Zin
    • International Journal of Costume and Fashion
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    • v.5 no.2
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    • pp.68-77
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    • 2005
  • In contemporary advertising market, one of main trends is to speak surrealistic visual language which provides 'enjoyable spectacles'. Specially, in the beginning of 21st century, there discovered more and more exhibitions and discourses about surrealism reinterpreted from the viewpoint of postmodernism. Surrealism as a creative style of expression based upon free association, has been a great inspiration for fashion ads for commercial communication as well as fashion design since its origin. However, there has been ignored the idea of analyzing surrealistic image expressed in fashion ads in spite of their flood. Accordingly, the purpose of this study is to grasp its cultural meaning through analyzing aesthetic characteristics of surrealistic image expressed in fashion ads. It will provide a better understanding of surrealistic image in fashion ads reflecting popular taste and preference directly as popular visual culture, focusing on post modern context. A case study of surrealistic fashion ads limits to TV or print commercials and digital ads as image ads stimulating visual expressions. The Results can be summarized as follows. Surrealism is an avant garde style which deconstructs the established meaning system as well as the existing formalistic order and then put them together in the frame of 'dream' and 'unconsciousness'. Defamiliarization questioning the whole edifice of representation can be adapted to. By means of paradox and metaphor, unfamiliar new visual world can be represented. The plastic characteristics of surrealistic image in fashion ads are founded as surrealistic styling of time and space, distortion of object by methods of automatism, depaysement, parody and trompe-l'oeil which bring about the deconstruction of gestalt. Aesthetic values of surrealistic fashion ads appear as dualistic representation, allegoric symbolism, fantastic romanticism. Ultimately they lead to marvelous. mysterious, humorous visual effects. Foster reinterpreted these effects of surrealism from Freud's 'Uncanny Concept'. 'Uncanny' means the phenomenon recurring to familiar being defamiliarized by repression. Surrealistic fashion ads strengthen this shocking effect more and more dramatically in company with our post modern needs for fantastic adventure and thrilling spectacle. It can be thought that surrealistic fashion ads reflects uncanny as an alternative which can relieve us of our stress and anxiety and which realize our potential desire in contemporary post industrial stage.

Visual characteristics of brightness according to display saturation for conciseness and clarity (간결함과 명료함을 위한 디스플레이 채도에 따른 밝기의 시각적 특성 연구)

  • Hong, Ji Young
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.22 no.2
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    • pp.15-20
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    • 2022
  • Colours are primarily composed of three properties - hue, brightness, and saturation, However, each property of colour is not independently visually recognised. Previous studies on saturation and brightness found that brightness was sensed differently depending on the degree of purity of the saturation; however, most of the psychophysical experiments used subtractive mixing. Therefore, fundamental research on colour perception based on display is needed. In this study, we conducted a psychophysical experiment and to investigate the visual characteristics of saturation and brightness based on a display with a self-luminous system. After selecting a certain brightness in the additive-mixed display, the experiment was conducted by adjusting the saturation of the main colours. Thus, by analysing the experimental results, we determined whether the results were the same as ones from subtractive mixing and whether the data are meaningful for the characteristics of colour perception. We also suggested future research directions.

The composition for Television visual character and characteristics of frame (텔레비전 영상 자막의 시각적 구성 형식과 특성)

  • Hahm, Hyun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.9 no.4
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    • pp.992-999
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    • 2008
  • The purpose of this study is to analyze the composition for visual character to make the process of television programs. The study can be classified as a visual communication methods into a target audiences. At the beginning of using visual character was communication method as an insufficiency of television programs. However, In recent years, television industry using visual character in many ways into television programs that it can be classified not only to developed the communication method as a function of effects, but also to changed substitute a variety of graphic pattern of visual character in television programs. As a matter of fact, this study have some implication in terms of using a visual character to making television program, therefore, the results show that different ways of using visual character into the diversity of television programs were discussed.

Developing Visual Complexity Metrics for Automotive Human-Machine Interfaces

  • Kim, Ji Man;Hwangbo, Hwan;Ji, Yong Gu
    • Journal of the Ergonomics Society of Korea
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    • v.34 no.3
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    • pp.235-245
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    • 2015
  • Objective: The purpose of this study is to develop visual complexity metrics based on theoretical bases. Background: With the development of IT technologies, drivers process a large amount of information caused by automotive human-machine interface (HMI), such as a cluster, a head-up display, and a center-fascia. In other words, these systems are becoming more complex and dynamic than traditional driving systems. Especially, these changes can lead to the increase of visual demands. Thus, a concept and tool is required to evaluate the complicated systems. Method: We reviewed prior studies in order to analyze the visual complexity. Based on complexity studies and human perceptual characteristics, the dimensions characterizing the visual complexity were determined and defined. Results: Based on a framework and complexity dimensions, a set of metrics for quantifying the visual complexity was developed. Conclusion: We suggest metrics in terms of perceived visual complexity that can evaluate the in-vehicle displays. Application: This study can provide the theoretical bases in order to evaluate complicated systems. In addition, it can quantitatively measure the visual complexity of In-vehicle information system and be helpful to design in terms of preventing risks, such as human error and distraction.

Development of a Robot's Visual System for Measuring Distance and Width of Object Algorism (로봇의 시각시스템을 위한 물체의 거리 및 크기측정 알고리즘 개발)

  • Kim, Hoi-In;Kim, Gab-Soon
    • Journal of Institute of Control, Robotics and Systems
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    • v.17 no.2
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    • pp.88-92
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    • 2011
  • This paper looks at the development of the visual system of robots, and the development of image processing algorism to measure the size of an object and the distance from robot to an object for the visual system. Robots usually get the visual systems with a camera for measuring the size of an object and the distance to an object. The visual systems are accurately impossible the size and distance in case of that the locations of the systems is changed and the objects are not on the ground. Thus, in this paper, we developed robot's visual system to measure the size of an object and the distance to an object using two cameras and two-degree robot mechanism. And, we developed the image processing algorism to measure the size of an object and the distance from robot to an object for the visual system, and finally, carried out the characteristics test of the developed visual system. As a result, it is thought that the developed system could accurately measure the size of an object and the distance to an object.

Effect of Visual Information by Ultrasound on Maternal-Fetal Attachment (초음파 영상을 통한 태아의 모습 제공 여부가 임부의 태아 애착에 미치는 영향)

  • Lee, Jee-Young;Cho, Jeong-Yeon;Chang, Soon-Bok;Park, Ju-Hyun;Lee, Young-Ho
    • Women's Health Nursing
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    • v.8 no.3
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    • pp.335-344
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    • 2002
  • Providing visual information about the fetus to the mother by the ultrasound examination was found to be an effective nursing intervention to promote Maternal-Fetal Attachment. In keeping with the purpose of the study, to evaluate the effect of providing visual information by ultrasound on level of Maternal-Fetal Attachment, a non-equivalent experimental group quasi-experimental design was used. The data were collected using Cranley's Maternal-Fetal Attachment Scale(1981) with a research questionnaire that consisted of 16 items on general characteristics and 23 items on Maternal-Fetal Attachment from November 2, 2000 to August 11, 2001. Subjects were 126 pregnant women who were received visual information by ultrasound and 123 pregnant women who did not receive visual information by ultrasound after finishing examination. The data were analyzed by using the SPSS/PC+ window 10.0 version program. The results of this study were as follows: There was no statistical difference in general characteristics between both groups. The scores on Maternal-Fetal Attachment at second trimester show no statistical difference (t=1.123, p=0.263). The scores on Maternal-Fetal Attachment in both groups increased between the second trimester and third trimester. However, the increase was greater in the group receiving visual information by ultrasound as compared to the group which did not receive the visual information(t=-2.152, p=0.032). This result shows that providing visual information about the fetus by the ultrasound examination is effective in increasing Maternal-Fetal Attachment.

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