• Title/Summary/Keyword: Pursuit image

Search Result 177, Processing Time 0.026 seconds

Design of robust Watermarking Algorithm against the Geometric Transformation for Medical Image Security (의료 영상보안을 위한 기하학적 변형에 견고한 워터마킹 알고리즘 설계)

  • Lee, Yun-Bae;Oh, Guan-Tack
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.13 no.12
    • /
    • pp.2586-2594
    • /
    • 2009
  • A digital watermarking technique used as a protection and certifying mechanism of copyrighted creations including music, still images, and videos in terms of finding any loss in data, reproduction and pursuit. This study suggests using a selected geometric invariant point through the whole processing procedure of an image and inserting and extracting based on the invariant point so that it will be robust in a geometric transformation attack. The introduced algorithm here is based on a watershed splitting method in order to make medical images strong against RST(Rotation Scale, Translation) transformation and other processing. It also helps to maintain the watermark in images that are compressed and stored for a period of time. This algorithm also proved that is has robustness against not only JPEG compression attack, but also RST attack and filtering attack.

Vision-based Target Tracking for UAV and Relative Depth Estimation using Optical Flow (무인 항공기의 영상기반 목표물 추적과 광류를 이용한 상대깊이 추정)

  • Jo, Seon-Yeong;Kim, Jong-Hun;Kim, Jung-Ho;Lee, Dae-Woo;Cho, Kyeum-Rae
    • Journal of the Korean Society for Aeronautical & Space Sciences
    • /
    • v.37 no.3
    • /
    • pp.267-274
    • /
    • 2009
  • Recently, UAVs (Unmanned Aerial Vehicles) are expected much as the Unmanned Systems for various missions. These missions are often based on the Vision System. Especially, missions such as surveillance and pursuit have a process which is carried on through the transmitted vision data from the UAV. In case of small UAVs, monocular vision is often used to consider weights and expenses. Research of missions performance using the monocular vision is continued but, actually, ground and target model have difference in distance from the UAV. So, 3D distance measurement is still incorrect. In this study, Mean-Shift Algorithm, Optical Flow and Subspace Method are posed to estimate the relative depth. Mean-Shift Algorithm is used for target tracking and determining Region of Interest (ROI). Optical Flow includes image motion information using pixel intensity. After that, Subspace Method computes the translation and rotation of image and estimates the relative depth. Finally, we present the results of this study using images obtained from the UAV experiments.

The Effects of Chinese Consumer The Propensity For Consumption Purchase Intention (중국 소비자 소비성향이 한국화장품의 구매의도에 미치는 영향)

  • Zhang, Haikuo;Yao, JinGe;Bae, Ki-Hyung
    • The Journal of the Korea Contents Association
    • /
    • v.21 no.7
    • /
    • pp.413-426
    • /
    • 2021
  • This paper's purpose is to analyze the effect of Chinese consumer propensity to Korean cosmetics purchase through empirical analysis. The result, first, the sub-factors of Chinese consumers' consumption propensity, fashion-seeking propensity, brand-seeking propensity, price-seeking propensity, and quality-seeking propensity, were all deduced to have a positive effect on Chinese consumers' trust in Korean cosmetics. It was found that price pursuit orientation did not significantly affect purchase intention, while other factors had a significant positive effect. Second, Chinese consumers' trust in Korean cosmetics has a significant effect on purchase intention. Third, trust had a complete mediating effect between fashion-seeking orientation and purchase intention, and a partial mediating effect between brand-pursuing orientation, quality-seeking orientation, and purchase intention, whereas a mediating effect was not found between price-seeking orientation and purchase intention. Fourth, Korea's national image has no moderating effect on the relationship between trust and purchase intention.

A Study on the Characteristics of Logos in Inner Wear Brand (이너 웨어(Inner Wear) 로고의 특성에 관한 연구)

  • Lee, Min-Gyung;Rha, Soo-Im
    • The Research Journal of the Costume Culture
    • /
    • v.14 no.5
    • /
    • pp.790-801
    • /
    • 2006
  • This study analyzed features of elements that compose a logo of inner wear brands to get the following results: First, it was found that "elegance" was the most frequently used word to express the concept of inner wear brands to be followed by words like dignity, high-end and aristocratic, words emphasizing femininity, such as feminine, romantic and sexy, words emphasizing practicality, such as convenient, practical, modern, functional and reasonable, and words emphasizing hygiene, such as clean, healthy and hygienic. This suggests that consumers nowadays pursue image more than functional aspects in the shopping of inner wear and consumers' pursuit of such values is reflected in the concept of inner wear brands. Second, unlike logos for outerwear brands that generally used initials of brand name, word-type logos for inner wear brands used the full name of brands, thus suggesting that they put more emphasis on delivery of information rather than on the symbolic aspect. In case of combining characters with concrete objects, they were found generally to use objects that give an soft, elegant and feminine image, such as flowers, woman's head and ribbons. Third, colors in the series of pink and red seemed to be used to convey the concept of inner wear brands that pursue such images as romanticism, femininity, elegance and sensibility, while colors in the series of blue, black and grey for such concepts as functionality, practicality, simplicity, health, hygiene and refinement. With reference to typeface used in the design of logos, unlike outerwear brands of which 83% use sans serif typeface for logos, relatively high percentage of inner wear was found to use typefaces of serif series to stress feminine flexibility and delicacy and give the image of elegance and classical tenderness. With reference to language used in logo naming for inner wear brands, 33 brands were found to use English and only three brands used Korean among the 36 brands surveyed. Even with inner wear brand logos that have Korean name, it was found that they used English in the use of logo marks. Like the result of previous studies, the result of this study indicates that methods to design brand logos for clothing should be incessantly sought in a way to build brand power as an important component to represent concept or function of brands and reinforce brand image.

  • PDF

Characteristics of Plastic Concept of Minimalism in Comtemporary Landscape Design (현대조경설계에서 미니멀리즘의 조형개념 특성)

  • Ahn, Seung-Hong
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.37 no.5
    • /
    • pp.64-77
    • /
    • 2009
  • In landscape architecture, the pursuit of pluralism requires diverse expression based on cultural and philosophical differences. Landscape architects impart social purposes and spatial relationships to the contemporary generation by providing particular environments that reflect the culture of the day. Particularly, landscape architects reflect contemporary art in their design works and express the characteristics of the arts of the day in real spaces. Historically they have sought motives from all fields of art. The plastic concept in landscape design is based specifically on paintings that directly influence spatial composition. Minimalism in landscape architecture contributes to the formation of artistic characteristics that can be explained to improve artistry in landscapes as aesthetic objects, which were eliminated in the modernist era, and to realize contemporary art. By interpretively studying design works, therefore, this study reveals plastic concepts' influence on landscape design affected by minimalist art. The characteristics of plastic concepts in minimalist landscape design can be summarized as follows. First, the reduction of Minimalist Landscape is meant for viewers to immediately understand a work's identity and to easily perceive its intention by using design language implied by the pure geometric forms such as circles, triangles and squares. Second, the extension intends to seek internal order by connecting design elements mutually and externally to provide visual direction by adopting linear expression. Third, the flatness that defines meaningless space tends to overlay additional elements on a flattened site to induce the perception of a sequence of landscapes and to patternize pavement to improve its visual image. Finally, seriality has two characteristics: to make centrality in space and to compose by repeating formative elements and materials based on the pursuit of a site's totality, rather than an individual space's originality.

A Study on the Influence of Consumer Type on Consumer Intention to Purchase Eco-friendly Vehicles in the Service Management of Convergence Industry (융복합 산업의 서비스경영에서 소비자 유형이 소비자의 친환경자동차에 대한 구매의도에 미치는 영향에 관한 연구)

  • Yim, Ki-Heung
    • Journal of Digital Convergence
    • /
    • v.15 no.10
    • /
    • pp.221-232
    • /
    • 2017
  • In recent years, the development and market participation of major makers of next-generation eco-friendly vehicles has been accelerating. Consumer interest has also increased. Consumer characteristics, consumption type, characteristics of next-generation eco-friendly vehicles, and government policies on next-the results of this study are as follows. As a result of this study, it was found that the characteristics of consumers (by sex, age, monthly average income), types of consumers (price value pursuit type, individual value pursuit type), There was no significant difference between the consumers, and the purchasing intention was not significantly different by gender, age, and monthly income, but there was a significant difference in purchase intention according to the type of consumer. The positive effects of consumer purchase behavior on brand image, color, design, etc, have positive (+) effect on eco - friendly vehicles. And social environment value seeking type among consumer types are significant in relation to purchase intention. To have three support the government's carbon dioxide (per ton of 5,000 won, per ton of 10,000 won), national or local government vehicle price support directly gasolin tax, disel tax, carbon taxes, such as fuel-related tax relief, etc. was found to have positive effect.

A Study on the Product Design Case Study of Differential Design Concept (차별화 된 디자인 개념의 제품디자인 사례 연구)

  • 이덕상;한세준;김홍규;조철희
    • Archives of design research
    • /
    • v.17 no.2
    • /
    • pp.335-350
    • /
    • 2004
  • Design takes concrete form from the things which are not yet exist to the molded reality. Creation of value which is accompanied by the rational value could be possible only through the searching examination of the basic concept. All designs are under circumstances because the results and the character of the problems are different under the given conditions and circumstances which are the characteristic of the design. The aim of this study is searching for the differential design conce- pt which is the most appropriate and reasonable in the basic design process in which the phase of the analysis, synthesis and evaluation of the problem. First of all the pursuit value of the times and the change of the view point of value of the product design. How the pursuit value of times were searched and analyzed. Analyze the successful product design realization of the typical trend of the modern design which are 3-2. function-focused design, 3-3. emotion-centered design, 3-4. image communicative design through the metaphor, 3-5. environmental affinity design. On the base of the case analysis how to apply the differential design concept which is coming as a trend in the future society which are sustainable developing society was examined closely. The outcome through the analysis of the success cases are as follows, \circled1 the value of the spirit of the times should be emphasized as the design image, \circled2 environmental appropriateness should be taken into consideration as the first primary factor, \circled3 the realization of value of the fulfillment of differential consumer's needs, \circled4 lead to prolong the life cycle of the product, \circled5 promote the sustaining growth of enterprise, \circled6 user-centered product value should be the first consideration. \circled7 It is necessary to overcome the cultural andinguistic barriers and to reflect the metaphor which people remember well. \circled8 The application of human's true character should be decided beforehand. It is the commonness of values of times and customs. \circled9 The differentiated design concept which meets our mental satisfaction, not material one, will be required. In addition to this the creative and differentiated design concepts which are accompanied by the good design factor under the base of product could achieve the emotional consensus from the consumers. That is, the value of all designs should be estimated by the base of the humanism ' The human beings are the barometer of all things".ngs".uot;.

  • PDF

Statistical Analysis of Projection-Based Face Recognition Algorithms (투사에 기초한 얼굴 인식 알고리즘들의 통계적 분석)

  • 문현준;백순화;전병민
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.25 no.5A
    • /
    • pp.717-725
    • /
    • 2000
  • Within the last several years, there has been a large number of algorithms developed for face recognition. The majority of these algorithms have been view- and projection-based algorithms. Our definition of projection is not restricted to projecting the image onto an orthogonal basis the definition is expansive and includes a general class of linear transformation of the image pixel values. The class includes correlation, principal component analysis, clustering, gray scale projection, and matching pursuit filters. In this paper, we perform a detailed analysis of this class of algorithms by evaluating them on the FERET database of facial images. In our experiments, a projection-based algorithms consists of three steps. The first step is done off-line and determines the new basis for the images. The bases is either set by the algorithm designer or is learned from a training set. The last two steps are on-line and perform the recognition. The second step projects an image onto the new basis and the third step recognizes a face in an with a nearest neighbor classifier. The classification is performed in the projection space. Most evaluation methods report algorithm performance on a single gallery. This does not fully capture algorithm performance. In our study, we construct set of independent galleries. This allows us to see how individual algorithm performance varies over different galleries. In addition, we report on the relative performance of the algorithms over the different galleries.

  • PDF

A Study on the Application of Visual Special Effects to TV Dramas; Focus on , (시각특수효과의 드라마 적용사례에 관한 연구 -<태양의 후예>,<미스터션샤인>을 중심으로-)

  • Chung, Tae-Sub
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.20 no.3
    • /
    • pp.400-406
    • /
    • 2019
  • This study will explore the reenactment of visual special effects used in TV dramas. The subjects of the study are images that are reproduced in visual special effects through and . Accordingly, we looked at the changes in the way TV dramas were produced according to the times, and looked at the changes in the market. Also, we looked at cases of visual special effects of Korean dramas, and looked at expressions according to the degree of completion of visual special effects. For the purpose of the analysis of the research targets, the images of reproducibility and the flow through reality were analyzed. In the case of , the period setting is realistic, but visual special effects were used to maximize the actor's safety and expression, and in the case of , the visual effects were used to maximize the aesthetic of the period background. In addition, it can be seen that the visual special effects were used for the effect of PPL on the export of images. This shows that the emphasis of reality and image montage techniques are being used to pursue hyperrealism. It is now possible to actively express and use the beauty of TV dramas rather than technical limitations. In addition, the pursuit of realism can actively express the changing times of digital age. This is an active representation of the camera's angle, lighting, and perspective that coincides with the background. The environment of video production is crucial for realistic expressions. The study examined various visual directions and applications. In TV images, we looked at reproduction, which can make a natural period of time by combining. As a follow-up study, we are going to study the changes in the new quadratic image based on the present image representation.

Research on the Aesthetic Characteristics of Korean Director Jae-young Kwak's Love Films (한국감독 곽재용의 멜로영화 심미적 특성에 관한 연구)

  • Xin, Yuan
    • Journal of Korea Entertainment Industry Association
    • /
    • v.13 no.8
    • /
    • pp.181-187
    • /
    • 2019
  • The theme of "youth love film" is a strong point in the Korean film industry and has made remarkable achievements in the overseas market. Jae-young Kwak is a famous Korean film director and screenwriter. He is good at shooting "youth love film" with beautiful pictures, exquisite emotions and rich imagination. His films have unique charm and characteristics. This paper expounds the image style, characterization and theme. First of all, from the perspective of image style for this paper, analysis of the film is how to use different narratives and lens language to create a movie's atmosphere, makes the transfer of drunk the oriental beauty. Secondly, the main focus is on the director to find a new way to shape the characters in the film, and pay attention to the description of details, foreshadowing and explaining the plot. Thirdly, based on the theme, this paper analyzes the profound meaning behind romantic films, which reflect the yearning and pursuit of modern people, and people should pay attention to and think deeply. In the modern economic globalization, countries culture mutual exchanges and cooperation, South Korea many outstanding movie worth exploring and research, by studying the Jae-young director Kwak youth love films, excavate its popular film in the market of reason, analysis of the works reflect the aesthetic characteristics, which sums up the experience of the youth love film.