• Title/Summary/Keyword: Counterfeit Print

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A Code Authentication System of Counterfeit Printed Image Using Multiple Comparison Measures (다중 비교척도에 의한 영상 인쇄물 위조 감식 시스템)

  • Choi, Do-young;Kim, Jin-soo
    • Journal of Korea Society of Industrial Information Systems
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    • v.23 no.4
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    • pp.1-12
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    • 2018
  • Currently, a large amount of printed matter associated with code authentication method are diffused widely, however, they have been reproduced with great precision and distributed successively in illegal ways. In this paper, we propose an efficient code authentication method which classifies authentic or counterfeit with smart-phone, effectively. The proposed method stores original image code in the server side and then extracts multiple comparison measures describing the original image. Based on these multiple measures, a code authentication algorithm is designed in such a way that counterfeit printed images may be effectively classified and then the recognition rate may be highly improved. Through real experiments, it is shown that the proposed method can improve the recognition rate greatly and lower the mis-recognition rate, compared with single measure method.

An Effective Detection of Print Image Forgeries Based on Modeling of Color Matrix : An Application to QR Code (컬러 매트릭스 모델링에 의한 영상 인쇄물 위변조 검출 기법 : QR코드에의 적용)

  • Choi, Do-young;Kim, Jin-soo
    • The Journal of the Korea Contents Association
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    • v.18 no.10
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    • pp.431-442
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    • 2018
  • 2-dimensional barcode, QR code has been used for containing various information such as image, video, map, and business cards. Currently, a smartphone is used as a QR code scanner, displaying the code and converting it to a standard URL for a website. However, QR codes are not very common in encrypted application and so have a few applications. This paper proposes a new color-code, which integrates the conventional QR code and color design, and can be effectively used in some product certification system. The proposed method exploits the fact that genuine code is produced by CMYK color model, but the counterfeit is captured by RGB color model and during this process, color information of the code is changed. This paper introduces the color matrix model to measure the distortion between genuine code and counterfeit code. By investigating the statistical characteristics of color matrix, an effective detection of print image forgeries are designed. Various experiments with color codes show that the proposed system can be effectively used in product certification systems.

A Study on the Formative Characteristics Appeared in Modem Kitsch Fashion (현대 키치패션에 표현된 조형적 특징)

  • 이민경;한명숙
    • The Research Journal of the Costume Culture
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    • v.11 no.4
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    • pp.578-590
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    • 2003
  • The purpose of this study was to analyze the formative characteristics appeared in modem Kitsch fashion which has been shown through the empirical data photogrphes from the 2000's to 2003 and the formative characteristics of Kitsch were divided into the material, ornament, color, pattern to understand the modem Kitsch fashion. The findings of this study could be summarized as follows: First, the modem Kitsch fashion in the material was used cheap, counterfeit materials like vinyl, artificial leather, immitation fur, beads and non-artistic materials like metal, plastic, paper and voluptuous material like seethrough to express eroticism and superficiality as the characteristic of Kitsch. Second, Kitsch fashion in the ornament was shown over-decoration by using the various accessories like bracelet, metal belt, gloves, etc to express as childish and coarse mixtures as the characteristic of Kitsch. Third, the modem Kitsch fashion was using splendid and bright, primary colors to express the image of complicated accumulation. Fourth, the modern Kitsch fashion mainly in the pattern was using ethnic, folklore and pop art pattern or print used hippies and pop art fashion to express the primitive purity as bounding of civilized society.

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The Criteria and Methods for Evaluating of Internet Website Documents (인터넷 웹사이트 문서의 평가 기준 및 방법 - 내용적인 측면을 중심으로 -)

  • Lee Eung-Bong
    • Journal of Korean Library and Information Science Society
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    • v.30 no.1
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    • pp.151-169
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    • 1999
  • The availability and growth of the Internet offers users the opportunity to find information and data all over the world. The development of the WWW has made the Internet easier to use, both for finding information and for publishing it electronically. Because so much information is available, and because that information can appear to be fairly 'anonymous', It is necessary to develop skills to evaluate what you find. Every printed information resources you find has been evaluated in one way or another before you ever see it. But when you are using the WWW, none of this applies. There are no filters between you and Internet. In addition, the ease of constructing Web documents results in information of the widest range of quality, written by authors of the widest range of authority, available on an even playing field Excellent information resources reside along side the most dubious. This study discusses the criteria arid methods by which scholars and researchers in most fields evaluate print information, and shows how the same criteria and methods can be used to assess Internet Website document. This study applied seven criteria, that is essential Web document element, authorship, publishing body, point of view or bias, referral to other sources, verifiability and currency. All information, whether in print or by byte, needs to be evaluated by users for some objective criteria and methods mentioned above. If you find information that is 'too good to be true', it probably is. Never use information that you can't verity. Always remember that the best counterfeit looks the most like the real thing. Establishing and learning criteria and methods to filter information you find on the Internet is a good beginning for becoming a critical consumer of information in all forms.

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