• Journal of Digital Convergence
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• v.6 no.4
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• pp.73-81
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• 2008

Market penetration of media capital and with domestic broadcasting and communication fusion affect from the contents competitive situation which is general, the digital conversion of ground group broadcasting which follows in like this change tried to point out the hereafter direction of broadcasting contents industry with Korean-American FTA compromises. Further with role of the program heightening of competitiveness plan for the ground group digital contents activation of local broadcasting and loca broadcasting accomplishes the funeral of succession development and area public opinion integration of politics, economy and culture of the community and being understood for a harmony, and proposed a politic alternative in the Broadcast Communications Commission which starts newly and Local Broadcasting Developmental Commission.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2011.07a
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• pp.505-508
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• 2011

본 논문에서는 MPEG-7 비주얼 디스크립터를 기반으로 Digital Image의 효과적인 검색이 가능한 시스템의 개발하였다. MPEG-7에 포함되어 있는 비주얼 디스크립터 툴은 컬러, 텍스처, shape, motion, localization, 얼굴 인식 등을 포함한다. 이들 MPEG-7에서 제공하는 비주얼 디스크립터를 그대로 이용하여 Digital Image의 검색 시스템을 구현하기에는 시스템이 불필요하게 커질 수 있으며 Digital Image의 검색 성능이 그다지 높지 않다는 문제점이 발생한다. 구체적으로는 모든 디스크립터를 이용하여 데이터베이스에 존재하는 모든 Digital Imag에 대한 검색을 수행하기에는 많은 처리시간이 요구된다는 것과 어떠한 디스크립터를 이용해야 정확한 검색이 이루어질지 알 수 없기 때문이다. 이를 위해 본 논문에서는, MPEG-7 비주얼 디스크립터의 특성을 저작권위원회에서 제공받은 데이터베이스를 이용하여 분석하고 이들 디스크립터의 효과적인 결합 기술을 개발하였다. 기존의 디스크립터 결합 방식은 각각의 디스크립터에 동일한 가중치를 부여하고 검색을 수행하는 방식이었으나 본 논문에서는 정보이론을 기반으로 디스크립터의 가중치를 자동으로 부여하는 방식으로 검색 시스템을 구성하였다. 개발된 시스템은 기존의 동일한 가중치를 부여한 시스템에 비해서 데이터베이스에 대한 각 디스크립터의 특성을 반영하여 가중치를 결정하도록 구성하였다.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 1996.06b
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• pp.50-55
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• 1996

Multimedia boom has happened worldwide these days. In multimedia, we use several kinds of media such as character, figure, voice, music, still images, moving picture etc.. Then I think image including moving picture is the most effective and important media for human being. Creating digital images using a computer has the following two main approaches, depending on how the computer is used. 1. CG Technology. Created images, produced through computer graphics. 2. Digital Image Processing. Images processed through digital image processing technologies. Approach (1) is very popular as Computer Graphics. Two-dimensional and three-dimensional computer graphics techniques are used over wide applications today. On the other hand, Approach (2), which uses digital image processing technology, has been attracting attention lately, in the filed of movies and television. In this report, I will introduce these approaches of CG and digital image processing, and show some application fields such as current movies.

• The Journal of Industrial Distribution & Business
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• v.14 no.9
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• pp.31-39
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• 2023

Purpose: Social media's increasing adoption and the development of digital technology have completely changed how businesses interact with their clients. The current study is to examine the impact of live broadcasts on consumers' perceptions and actions across a range of fresh food goods. Research design, data and methodology: The scrutiny relies on the existing peer-reviewed literature, which may prevent a comprehensive evaluation of some recent advancements in the subject. Despite these caveats, the outcomes of this scrutiny are anticipated to contribute significantly to our understanding of the effect of live broadcast marketing on consumers' propensity to make purchases. Results: Previous literature review clearly states that 'Live Broadcast of Fresh Food' to attract relevant customers should be followed: (1) Increased Product Transparency and Trust, (2) Enhanced Customer Engagement, (3) Impact on Customer's Perception of Product Quality, and (4) sense of urgency and scarcity. Conclusions: All in all, the study's advice for firms in the food industry to improve their marketing efforts through live broadcasts have important practical ramifications. Promoting openness and trust in the production process and with the audience boosts a brand's reliability. Customers are more likely to participate and feel more connected to a brand.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 1999.11a
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• pp.117-138
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• 1999

.8-VSB Modulator for Digital Television . ERRI'S ATSC VSB EXCITER . Pre-Corrector . Field Test . Lab Test

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 1999.06b
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• pp.15-21
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• 1999

본 논문에서는 당사와 KBS가 공동 개발한 디지털 TV 송신기의 구성내역과 디지털송신 시스템의 개발현황 및 성능시험결과에 대하여 설명하였다

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 1999.06b
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• pp.213-250
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• 1999

.8-VSB Modulator for Digital Television .ETRl's ATSC VSB EXCITER .Pre-Corrector .Field Test

• The KIPS Transactions:PartC
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• v.11C no.2
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• pp.149-156
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• 2004

Broadcast encryption schemes are applied to transmit digital informations of multimedia, software, Pay-TV etc. in public network. Important thing is that only user who is permitted before only must be able to get digital information in broadcast encryption schemes. If broadcast message transfers, users who authority is get digital information to use private key given in the advance by oneself. Thus, user acquires message or session key to use key that broadcaster transmits, broadcaster need process that generation and distribution key in these process. Also, user secession new when join efficient key renewal need. In this paper, introduce about efficient key generation and distribution, key renewal method. Take advantage of two technique of proposal system. One is method that server creates key forecasting user without user's agreement, and another is method that server and user agree each other and create key Advantage of two proposal system because uses a secret key broadcast message decryption do can and renewal is available effectively using one information whatever key renewal later.

• Journal of Digital Convergence
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• v.20 no.5
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• pp.733-739
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• 2022

The study investigated the users' functional requirement, degree of acceptance and preference of game broadcast real-time review .Secondly it comparatively analyzed the types and locations of game broadcast real-time review through eye tracking tech. The results show that users have high functional requirements and high acceptance for game broadcast real-time review but their preference has no significant correlation with the feature. Among the types of game broadcast real-time review the type with translucent text bubble took the highest visual attention. The above shows that the users' visual behavior has the tendency of special style. The visual attention analysis results of different types and locations of game broadcast real-time review in the study can play a guiding role in the interface design of real-time review feature in the future.

• Journal of Broadcast Engineering
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• v.9 no.4 s.25
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• pp.411-423
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• 2004

In Korea, Eureka-147 DAB (Digital Audio Broadcasting) temporarily decided as the standard system for digital audio broadcasting was evolved into DMB (Digital Multimedia Broadcasting) to complement the technical vulnerability in mobile reception of terrestrial DTV. According to introducing video service in T-DMB (Terrestrial DMB), 'Terrestrial DMB Experimental Broadcasting for Video Service', a national project of the MIC (Ministry of Information and Communication), was done for verifying the possibility of video service via T-DMB. The main objective of the project is computing the effective field strength and coverage for making a plan to build T-DMB broadcasting network and developing transmitting and receiving equipment. In case of digital broadcasting, it is absolutely essential to measure BER (Bit Error Rate) and electric field strength in order to evaluate coverage and quality of received signal. In this paper, we implement an integrated mobile measurement system for T-DMB. For this purpose, we propose efficient data structure and algorithm for BER measurement. By adding GPS (Global Positioning System) and electric field strength measurement parts into BER measurement part, we complete the integrated mobile measurement system, and then verify it by experiments and field tests. The developed system was used in a national project, 'Terrestrial DMB Experimental Broadcasting for Video Service' and measurement results will be used as fundamental data for building T-DMB broadcasting network.