• Title/Summary/Keyword: Video Recording

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Study on the meaning and delivery of caption recording in mass media - On the function of caption recording TV mass media and video art - (미디어에 있어서의 자막기록의 의미와 전달성 - 공중파방송과 비디오 아트에서의 자막기록을 중심으로 -)

  • Rhee, Ji-Young
    • Journal of Korean Society of Archives and Records Management
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    • v.3 no.2
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    • pp.78-96
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    • 2003
  • Nowadays, mass media innovates and has the great power of revolution of our lives. Marshall MacLuhan says new media is the new method of language and also, it is connecting to the real world possibly. The letters make media world a big different. At the end of voiceless age, the caption not only delivers means of the contents but also provides for the composition of the screen itself. In these kinds of composition elements contain explanations such as aesthetic, entertainment, and revival aspects. The caption as translation that used to use was as changing as new way of exploring method. To deliver means of contents, the letters of inside screen has extremely big changes and meaning as well. The design of lettering is the new aesthetic method of media world. Also, the elements of lettering is approaching as the new way of lives. Therefore, this study is to provide the aspects of the lettering to the mass media respectively.

Online pedagogical strategies of a fashion design CAD course - Focused on Adobe Photoshop, Illustrator, and Texpro programs - (패션디자인 CAD의 온라인 교육 방법 연구 - 포토샵, 일러스트레이터, 텍스프로 프로그램을 중심으로 -)

  • Kwon, Sang-Hee
    • The Research Journal of the Costume Culture
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    • v.30 no.5
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    • pp.717-731
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    • 2022
  • The purpose of this study is to suggest effective online pedagogical strategies for a fashion design CAD course to enhance student learning and satisfaction. The study investigated student experience of online learning and compared online learning with a face-to-face learning experience. Student concentration, participation, perceptions of effectiveness of teaching, utilization of learning materials, and satisfaction were analyzed using a 5-point Likert scale. Advantages and disadvantages of online learning as well as advantages of face-to-face learning were also analyzed both quantitatively and qualitatively. Student concentration, participation, and perception of effectiveness of teaching were greater for face-to-face learning with significantly higher concentration on individual practice. Students utilized video recording of synchronous online lectures more actively than PDF lecture notes. The advantages of face-to-face learning were plentiful communication and feedback and easy questioning process as well as high levels of understanding and concentration. Meanwhile, major disadvantages of online learning were the speed of the lecture, lower levels of understanding and concentration, limited peer interaction, and technical problems. Major advantages of online learning were flexibility and convenience, repetitive learning through videos, and instant communication and feedback. Students preferred a blended learning approach for the fashion design CAD course. For effective online learning, it is suggested that instructors frequently question and check student practice through screen share in a private online meeting room and engage activities that are demanding of student interaction. The video recording of synchronous online lectures is also suggested as a supplemental learning material for repetitive learning.

Training Feedback effect of team-based CPR using a mobile video recording device body camera (이동용 영상촬영기기 바디캠을 활용한 팀단위 심폐소생술의 교육피드백 효과)

  • Seong bin Im
    • Smart Media Journal
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    • v.13 no.5
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    • pp.62-71
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    • 2024
  • This study conducted a team-based CPR simulation with 32 fourth-year emergency rescue students to determine the effectiveness of training feedback using body cameras used at emergency rescue sites, and measured awareness, training feedback effectiveness, and satisfactio+n before and after body camera feedback. , preferences and difficulties in using body camera devices were identified. Data analysis was performed using SPSS 27.0 program, including descriptive statistics, frequency analysis, paried t-test, and Wilcoxon signed rank test. As a result of the study, the perception of body camera use showed a positive change from 3.73±0.62 points to 4.45±0.54 points, and a positive satisfaction level of 3.98±0.51 was shown (p<.001). Additionally, there was a significant increase in self-check accuracy and performance score after body camera feedback (p<.001). Therefore, during team-based simulation resuscitation training, positive feedback effects in improving self-inspection ability and performance can be achieved by watching body camera videos and using self-checklists without direct feedback from the instructor.

Regional Projection Histogram Matching and Linear Regression based Video Stabilization for a Moving Vehicle (영역별 수직 투영 히스토그램 매칭 및 선형 회귀모델 기반의 차량 운행 영상의 안정화 기술 개발)

  • Heo, Yu-Jung;Choi, Min-Kook;Lee, Hyun-Gyu;Lee, Sang-Chul
    • Journal of Broadcast Engineering
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    • v.19 no.6
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    • pp.798-809
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    • 2014
  • Video stabilization is performed to remove unexpected shaky and irregular motion from a video. It is often used as preprocessing for robust feature tracking and matching in video. Typical video stabilization algorithms are developed to compensate motion from surveillance video or outdoor recordings that are captured by a hand-help camera. However, since the vehicle video contains rapid change of motion and local features, typical video stabilization algorithms are hard to be applied as it is. In this paper, we propose a novel approach to compensate shaky and irregular motion in vehicle video using linear regression model and vertical projection histogram matching. Towards this goal, we perform vertical projection histogram matching at each sub region of an input frame, and then we generate linear regression model to extract vertical translation and rotation parameters with estimated regional vertical movement vector. Multiple binarization with sub-region analysis for generating the linear regression model is effective to typical recording environments where occur rapid change of motion and local features. We demonstrated the effectiveness of our approach on blackbox videos and showed that employing the linear regression model achieved robust estimation of motion parameters and generated stabilized video in full automatic manner.

Optimal Parameter Selection of H.264 Encoder For Mobile Devices (모바일 기기를 위한 H.264 인코더의 최적 매개변수의 결정)

  • Ryu, Minhee;Kim, Hyungshin
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.10
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    • pp.4780-4785
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    • 2012
  • As many mobile devices such as smart phones and tablets are widely spread, optimized mobile video encoder used during video recording application is needed. In this paper, we implemented H.264/AVC base profile video encoder on a mobile device and empirically optimized control parameters of the encoder. As the experiment, we more than 100 test cases were designed with varying Lagrangian optimization, Hadamard Transform, search range, I-frame period, and reference frames. During the experiment, we measured picture quality, bit-rate, encoding time, motion estimation time, and power consumption. From the result, we can determine optimal values for the H.264 control parameters.

Affordable method of video recording for ecologists and citizen-science participants

  • Yang, Eunjeong;Lee, Keesan;Ha, Jung-moon;Kim, Woojoo;Song, Ho-Kyung;Hwang, Injae;Lee, Sang-im;Jablonski, Piotr G.
    • Journal of Ecology and Environment
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    • v.42 no.2
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    • pp.85-89
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    • 2018
  • Observations and video documentation of interactions between animals living in dens, cavities, and other enclosed spaces are difficult, but they play an important role in field biology, ecology, and conservation. For example, bird parents visiting nests and feeding their nestlings may provide crucial information for testing of ecological hypotheses and may easily attract attention of participants of citizen-science ecological and conservation projects. Because of the nest concealment of cavity-nesting birds, their behaviors in the nest can only be studied by using video surveillance. Professional wildlife surveillance systems are extremely expensive. Here, we describe an inexpensive video setup that can be constructed with relatively little effort and is more affordable than any previously described system. We anticipate that the relatively low cost of about 250 USD for a battery-operated system is an important feature for citizen-science type of projects and for applications in heavily populated areas where the potential for theft and vandalism may be high. Based on our experiences, we provide methodological advice on practical aspects of using this system in the field for ecological research on birds. We highlight the low cost, easiness of construction, and potential availability to a large number of observers taking part in wildlife monitoring projects, and we offer technical help to participants of such research projects.

System Design and Implementation for New Move Picture Solution EZ-MOV Using FLV (FLV를 이용한 새로운 동명상 솔루션 EZ-MOV 대한 시스템 설계 및 구현)

  • Kwon, O-Byoung;Shin, Hyun-Cheul
    • Convergence Security Journal
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    • v.9 no.2
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    • pp.79-84
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    • 2009
  • Recently, Move Picture Files have the same file format and a compression technique as Window Media Video form. but Moving Pictures using file format and a compression technique have question about Motion blur and compressibility. In this paper, we design and Implement for new Move Picture Solution EZ-MOV using FLV different from developed FLV(Flash Video) in the Macromedia company. EZ-MOV have advantages as follow. first, FLV player is able to compact disk access time and DRM (Digital Rights Management) with a built-in self and unable to an illegal video recording, second, whenever WMV formal file encoded FLV are able to lossless compression to fifty percent, third, FLV is able to Moving Picture streaming no buffering. fourth, FLV file is able streaming service no streaming server. fifth, FLV file is able to streaming service keep pace with download and streaming. sixth, FLV file is able to full duplex service.

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Product development for Digital Video Recorder Design Analysis (영상저장장치(DVR)디자인 개발을 위한 제품 분석)

  • Choi, Jong-Woon
    • The Journal of the Korea Contents Association
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    • v.12 no.12
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    • pp.135-145
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    • 2012
  • This study is a research development case study on the free-standing Network based camera video recording DVR. The DVR devices till now have recorded data by converting and compressing analogue video to digital, but in the future, digital videos will be recorded directly through the network camera. Also, digital compressing methods are progressing from MPEG-4, MJPEG, to H.264 method, with products considering high definition compression efficiency, minimized data size, network compatibility, and fast pending time. According to this, in 2012, it is predicted that network camera and video devices throughout the world will outrun the current analogue devices. With this transition of technological environment and fast product pending speed, a new, quality focused design is required for product development including technical realization, reliability, high-definition, compression technology, will be essential. Manufacturers are researching a new direction for the product appearance. This study considers the actual end-users as the design target and through consumer survey on preferences, design needs and required elements necessary in the design development process are extracted. Furthermore, usability and preferred images were explored through literature study and market research. Through this research process, appropriate forms for the network based DVR were analyzed, and applied into the design development process. This product will take into consideration its competitiveness and the significance of USP(Unique Selling Proposition) which is the design supremacy and professional technical skills.

Development and Evaluation of an English Speaking Task Using Smartphone and Text-to-Speech (스마트폰과 음성합성을 활용한 영어 말하기 과제의 개발과 평가)

  • Moon, Dosik
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.16 no.5
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    • pp.13-20
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    • 2016
  • This study explores the effects of an video-recording English speaking task model on learners. The learning model, a form of mobile learning, was developed to facilitate the learners' output practice applying advantages of a smartphone and Text-to Speech. The survey results shows the positive effects of the speaking task on the domain of pronunciation, speaking, listening, writing in terms of students' confidence, as well as general English ability. The study further examines the possibilities and limitations of the speaking task in assisting Korean learners improve their speaking ability, who do not have sufficient exposure to English input or output practice due to the situational limitations where English is learned as a foreign language.

A Study about the Human Communication of the Oriental Medicine Nurse-Patient : 'Ritual Communication' (한방간호사-환자 관계의 인간커뮤니케이션 이해 : 의례적 커뮤니케이션)

  • Jun Myung-Hee
    • The Journal of Korean Academic Society of Nursing Education
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    • v.4 no.1
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    • pp.107-119
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    • 1998
  • This study tried to answer the question : 'How does the human communication happen at the oriental medicine hospital between nurse and patient?' To answer that, a micro-ethnographic research method was used. Researcher visited T university hospital of oriental medicine and observed nurse-patient communication from September 1997 to December 1997. The data was obtained through participant observation, interview, audio-tape recording, home video camera, field note-taking, and related documents. After reviewing the whole data and deliberate analysis, first, I learned that most oriental medicine nurses communicate with their patients for their routine nursing job like recording, hand-over to the next duty, report to doctor, etc. I named this type of communication as 'ritual communication'. Second, I can define major argument as follow : Human communication of oriental medicine between nurse and patient is performed more frequently and variously when nurse contacts the patient for the routine nursing activities than for the incidental activities. As a result of these understandings, I suggest that oriental nursing need to develop the body of knowledge and expand its role and independent nursing activity. Also the bureaucratic hospital management centered doctors must be changed reasonalbly.

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