• Journal of Digital Convergence
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• v.11 no.11
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• pp.479-490
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• 2013

In this research we surveyed level of textual recognition and of practice by nursing students regarding patient privacy protection. The subjects were 383 nursing students. The questionnaire developed by Lee and Park (2005) were modified and used. Data analysis was conducted through descriptive statistics, t-test, ANOVA, and Pearson correlation coefficients. The result shows that about 96.1% of the subjects received education on patient privacy protection in school or hospital but 48.0% of all received education of 10 minutes or less. Average score for recognition of patient privacy protection was a 4.13 but average practice score was 3.84. Among all areas, communication tasks showed the highest scores for both recognition and practice. There are differences according to grade in school and age of the subject, and experience with clinical practice, existence of regular educational program embedded in clinical practice at hospitals, and the length of each educational session. For both total score and score for every domain, there was a correlation between recognition and practice. The conclusions drawn from this research will help colleges of nursing and hospitals to design and develop contents of educational programs for nursing students.

• The Journal of the Korea Contents Association
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• v.21 no.9
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• pp.176-183
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• 2021

Digital medical technology is very effective and at the same time faces the challenge of protecting privacy. However, for contact tracking and exposure notification apps in COVID-19 environment, there is always a trade-off between privacy measures and the effectiveness of the app's use. Today, many countries have developed and used contact tracking and exposure notification apps in various forms to prevent the spread of COVID-19, but the suspicion of digital surveillance (digital panopticon) is unavoidable. Therefore, this study aims to identify the factors of personal information infringement and dissatisfaction through text mining analysis by extracting user reviews of "Self-Quarantine Safety Protection" in Korea. As a result of the text mining analysis, we derived four groups, 'Address recognition error', 'Exit warning error', 'Access error', and 'App. program error'. Since 'Address recognition error' and 'Exit warning error' can give the app users a strong perception that they are keeping under surveillanc by the app, transparent management of personal information protection and consent procedures related to personal information collection are required. In addition, if the other two groups are not corrected immediately due to an error in an app function or a program bug, the complaints of users can be maximized and a protest against the monitor can be raised.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.15 no.3
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• pp.7-13
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• 2015

Generally, watermarking can be used copyright for contents such as audios, videos, images, and texts. With the development of Internet, many malicious attackers illegally copy relational databases synchronized applications Therefore, it is needed for the protection of databases copyright, because databases involve various sensitive information such as personal information, information industry, and secret national intelligence. Thus, the protection of relational databases is a major research field in the databases research topics. In this paper, we will review previous researches related the protection of relational databases and propose new method for relational data. Especially, we propose watermarking scheme for databases using reversible method in this paper. As an experimental result, the proposed scheme is very strong to malicious attacks. In addition, we proved our proposed scheme is to apply real application.

• Journal of Korea Multimedia Society
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• v.17 no.7
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• pp.769-777
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• 2014

With the rapid interest in Geographic Information System (GIS) contents, a large volume of valuable GIS dataset has been distributed illegally by pirates, hackers, or unauthorized users. Therefore the problem focus on how to protect the copyright of GIS vector map data for storage and transmission. At this point, GIS security techniques focusing on secure network and data encryption have been studied and developed to solve the copyright protection and illegal copy prevention for GIS digital map. But GIS vector map data is very large and current data encryption techniques often encrypt all components of data. That means we have encrypted large amount of data lead to the long encrypting time and high complexity computation. This paper presents a novel selective encryption scheme for GIS vector map data protection to store, transmit or distribute to authorized users using K-means algorithm. The proposed algorithm only encrypts a small part of data based on properties of polylines and polygons in GIS vector map but it can change whole data of GIS vector map. Experimental results verified the proposed algorithm effectively and error in decryption is approximately zero.

• Spatial Information Research
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• v.16 no.1
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• pp.33-50
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• 2008

At present, the cadastral field, with the conversion into digital cadastral map management system, not the existing cadastral map management system, has gone through a lot of changes, such as the market opening of cadastral surveying and overseas launching of a cadastral field. Such an environmental change has brought on a lot of advantages, such as improvement in accuracy of surveying, efficient management system, and reinforcement of competitive power in cadastral surveying. However, the conversion into the advanced cadastral management system serves to relatively heightening the possibility of outflow of cadastral information and its technology in comparison with in the past. This research, with the aim to cope with indiscriminate outflow of cadastral technology, is aimed at suggesting the plan for the prevention of outflow of cadastral technique and its protection after examining and considering the contents of environmental changes in the currently going cadastral field.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.10a
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• pp.827-830
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• 2009

Feature of current IPTV services is that the IPTV Provider buys the rights of contents from contents author and provides consumers monopolistically with those. In this environment, IPTV is indistinguishable from the way of existing broadcasting services. To shift away from this structure, it is necessary to guarantee the common user's participation and provide the Open IPTV services for customers to be allowed to have be defined for more opportunities to select the contents. However, there are some problems to conduct Open IPTV service due to a variety of rights protection solutions designed by previous digital broadcast providers. Therefore, a new framework is needed to overall Open IPTV environment. This paper provides the design can packaging contents authoring and consuming tool for IPTV application service based on Open IPTV.

• Journal of Korea Multimedia Society
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• v.13 no.4
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• pp.575-581
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• 2010

With widespread use of the Internet and improvements in streaming media and compression technology, digital music, video, and image can be distributed instantaneously across the Internet to end-users. However, most conventional Digital Right Management are often not secure and not fast enough to process the vast amount of data generated by the multimedia applications to meet the real-time constraints. The SVC offers temporal, spatial, and SNR scalability to varying network bandwidth and different application needs. Meanwhile, for many multimedia services, security is an important component to restrict unauthorized content access and distribution. This suggests the need for new cryptography system implementations that can operate at SVC. In this paper, we propose a new scrambling encryption for reserving the characteristic of scalability in MPEG4-SVC. In the base layer, the proposed algorithm is applied and performed the selective scambling. And it encrypts various MVS and intra-mode scrambling in the enhancement layer. In the decryption, it decrypts each encrypted layers by using another encrypted keys. Throughout the experimental results, the proposed algorithms have low complexity in encryption and the robustness of communication errors.

• International Commerce and Information Review
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• v.19 no.2
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• pp.25-44
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• 2017

Though electronic commerce has grown rapidly in international trade, there is no basic consensus for its concept and rule applied. So WTO has done practice of not imposing customs duties on digital contents and been researching overall on electronic commerce through Work Program while many countries of the world attempt to obtain their interests by stipulating chapter of electronic commerce in their FTAs. This paper has compared and analysed chapter of electronic commerce in all the FTAs which Korea has signed and enforced. Korea's FTA stipulates commonly no customs duties, the other chapter's priority when chapter of electronic commerce conflicts the other chapter, electronic authentication, protection of personal information and consumer protection. But it has weak consistency and framework as it has different provisions for the objects of electronic commerce respectively, reserves classification & applied rule for electronic commerce, stipulates differently on non discrimination treatment and so on. Korea should participate in the research of international organization including WTO and cope actively and elastically by analysing the provisions of electronic commerce of the other countries' FTA such as USA, EU, CHINA and so on.

• Proceedings of the Korea Information Processing Society Conference
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• 2005.05a
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• pp.827-830
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• 2005

본 논문은 DRM(Digital Rights Management)의 핵심요소기술인 디지털 비디오 워터마킹 기술에서 암호화 기법을 함께 적용하여 저작권 판별 및 콘텐츠 보호의 두 가지 역할을 수행하는 시스템을 제안하고자 한다. 본 논문에서는 저작권 정보를 공개키 기반의 RSA 암호화 방법으로 암호문을 만든 후 이진화 과정을 수행하여 워터마크 키 정보를 생성하였고, 워터마킹 기법으로는 통계적 모델의 계산 속도가 빠른 NVF(Noise Visibility Function) 방식의 Adaptive Stationary GG(Generalized Gaussian) model[1]의 기법을 사용하였다. 암호문은 사용자 컨트롤러에서 제어가 가능하도록 하여 권한이 부여된 사용자만이 재생이 가능하도록 하였다. 본 논문의 구성은 2장에서 암호화 과정을 설명하고, 3장에서는 기존의 기법과는 다른 통계적 접근의 워터마킹 기법을 적용한 과정을 설명하며, 4장에서는 제안한 방법이 실제 환경에서의 실험 결과를 보여준다. 마지막으로 5장에서는 결론과 개선점을 바탕으로 향후 연구방향을 제시한다. 본 논문에서 제안한 방법은 미래사회 인터넷에서의 올바른 디지털 콘텐츠 사용 문화 정책에 큰 역할을 할 것으로 기대된다.

• Journal of the Korea Society of Computer and Information
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• v.7 no.2
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• pp.124-129
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• 2002

Currently, image processing are used widely and have various types of characteristics with the applications of VOD(Video on demand), the web casting services, the video conference systems and virtual realities. Using the scene change, at every time of video image transitions, an editor can classify the video context and also require a function of in(Boxing insertion. Digital watermarking provides a solution to illegal copying of digital contents and has many other useful applications, including web broadcast monitoring, transaction tracking, authentication, copy control and device control. The Purpose of this thesis is to implement of nonlinear moving picture editor for the multiple watermarking. For the effective watermarking performance, this thesis considers the protection of image quality reduction and robustness for hiding information concurrently.