• Title/Summary/Keyword: 메타데이터 추출

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Web-based Photo Classification using EXIF Metadata (EXIF 메타데이터를 활용한 웹 기반 사진 자동분류)

  • Choi, Hong-Seon;Lee, Kang-Hee;Im, Kwang-Hyuk;Kim, Soo-Kyun
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2012.07a
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    • pp.301-302
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    • 2012
  • 본 논문에서는 웹 서버에 사진을 등록(upload)하면 서버에서 자동으로 사진의 메타데이터(EXIF)의 GPS정보를 추출하여 미리 정이된 정보와 비교하여 사진이 촬영된 장소를 표시하고, 좌표 값을 활용하여 구글 지도(google map)과 연계되는 방법을 제안한다. 사진등록으로 사용되는 서버 웹페이지로는 php를 사용하여 그림을 등록하고, exif_read_data함수를 사용하여 메타데이터에 접근하고 메타데이터 안의 GPS의 값을 추출하여 정의된 분류표에 의해 사진을 분류하고, 구글지도와 연계하여 촬영된 위치를 지도상에서도 확인할 수 있도록 하였다.

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A study on the metadata of the sports video record (스포츠 동영상 기록물 메타데이터에 관한 연구)

  • Park, In-Woo;Nam, Young-Joon
    • Proceedings of the Korean Society for Information Management Conference
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    • 2018.08a
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    • pp.127-132
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    • 2018
  • 본 연구는 스포츠 동영상 기록물의 체계적 보존과 관리, 이를 적극적으로 활용할 수 있는 스포츠 동영상 메타데이터 제안을 연구목적으로 설정하였다. 스포츠 동영상이 지닌 특성을 분석하고, 현재 스포츠 관련 기록물을 소장한 관리 주체에서 운영하고 있는 관리시스템을 분석하였다. 각 사례와 표준에서 추출한 메타데이터 요소를 상호 비교하여 공통 요소와 특성 요소를 일차적으로 추출하였다. 추출된 요소의 타당성에 대하여 전문가 의견을 수렴, 검증받은 후 7개의 상위요소와 12개의 하위요소를 지닌 관리적(administrative) 요소와 9개의 상위요소와 11개의 하위요소로 구성한 기술적(descriptive) 요소로 제안하였다.

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Metadata extraction using AI and advanced metadata research for web services (AI를 활용한 메타데이터 추출 및 웹서비스용 메타데이터 고도화 연구)

  • Sung Hwan Park
    • The Journal of the Convergence on Culture Technology
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    • v.10 no.2
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    • pp.499-503
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    • 2024
  • Broadcasting programs are provided to various media such as Internet replay, OTT, and IPTV services as well as self-broadcasting. In this case, it is very important to provide keywords for search that represent the characteristics of the content well. Broadcasters mainly use the method of manually entering key keywords in the production process and the archive process. This method is insufficient in terms of quantity to secure core metadata, and also reveals limitations in recommending and using content in other media services. This study supports securing a large number of metadata by utilizing closed caption data pre-archived through the DTV closed captioning server developed in EBS. First, core metadata was automatically extracted by applying Google's natural language AI technology. The next step is to propose a method of finding core metadata by reflecting priorities and content characteristics as core research contents. As a technology to obtain differentiated metadata weights, the importance was classified by applying the TF-IDF calculation method. Successful weight data were obtained as a result of the experiment. The string metadata obtained by this study, when combined with future string similarity measurement studies, becomes the basis for securing sophisticated content recommendation metadata from content services provided to other media.

A Research on Image Metadata Extraction through YCrCb Color Model Analysis for Media Hyper-personalization Recommendation (미디어 초개인화 추천을 위한 YCrCb 컬러 모델 분석을 통한 영상의 메타데이터 추출에 대한 연구)

  • Park, Hyo-Gyeong;Yong, Sung-Jung;You, Yeon-Hwi;Moon, Il-Young
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2021.10a
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    • pp.277-280
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    • 2021
  • Recently as various contents are mass produced based on high accessibility, the media contents market is more active. Users want to find content that suits their taste, and each platform is competing for personalized recommendations for content. For an efficient recommendation system, high-quality metadata is required. Existing platforms take a method in which the user directly inputs the metadata of an image. This will waste time and money processing large amounts of data. In this paper, for media hyperpersonalization recommendation, keyframes are extracted based on the YCrCb color model of the video based on movie trailers, movie genres are distinguished through supervised learning of artificial intelligence and In the future, we would like to propose a utilization plan for generating metadata.

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A Study on Standardized Metadata Elements to Manage e-Mail Records (이메일기록관리를 위한 메타데이터 표준요소선정에 관한 연구)

  • Kim, Yong;Kim, Neul-Bom;Lee, Tae-Young
    • Journal of the Korean Society for information Management
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    • v.25 no.4
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    • pp.87-113
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    • 2008
  • The purpose of this paper is to develop standardized metadata elements of e-mail records with respect to international standards based on analyzing the Australian Government Email Metadata Standard(AGEMS) elements and Korean Records Management Metadata Standard including e-mail records. To achieve the goal, we investigated and analyzed ISO15489 and ISO 23081 which are the international standard related to records and metadata of records. Second, a case study related to the features of e-mail records produced in public institutions in Korea was performed. Third, we made a comparative study of Australian Government Email Metadata Standard(AGEMS). With the results, we proposed mandatory and optional metadata elements for managing e-mail records. Also, the DTD of proposed metadata elements were developed. The proposed metadata elements of e-mail was applied to e-mails which were produced from a administrative information system of a local government in Korea.

A Study on Recognition of Citation Metadata using Bidirectional GRU-CRF Model based on Pre-trained Language Model (사전학습 된 언어 모델 기반의 양방향 게이트 순환 유닛 모델과 조건부 랜덤 필드 모델을 이용한 참고문헌 메타데이터 인식 연구)

  • Ji, Seon-yeong;Choi, Sung-pil
    • Journal of the Korean Society for information Management
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    • v.38 no.1
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    • pp.221-242
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    • 2021
  • This study applied reference metadata recognition using bidirectional GRU-CRF model based on pre-trained language model. The experimental group consists of 161,315 references extracted by 53,562 academic documents in PDF format collected from 40 journals published in 2018 based on rules. In order to construct an experiment set. This study was conducted to automatically extract the references from academic literature in PDF format. Through this study, the language model with the highest performance was identified, and additional experiments were conducted on the model to compare the recognition performance according to the size of the training set. Finally, the performance of each metadata was confirmed.

A Study for Effective Retrieval Method Through Definition of Component Metadata (컴포넌트 메타데이터의 정의를 통한 효율적인 검색 방법에 관한 연구)

  • 김병준;김행곤;차정은;김철홍
    • Proceedings of the Korean Information Science Society Conference
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    • 2000.10a
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    • pp.507-509
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    • 2000
  • 소프트웨어 공학의 새로운 패러다임인 컴포넌트가 지니는 다양한 속성들과 장점은 아직 많은 문제점들이 남아있는 상태이지만 소프트웨어 개발시의 높은 생산성과 효율성, 그리고 재사용성과 유지보수의 이점으로 크게 주목받고 있다. 컴포넌트의 뛰어난 장점들을 효과적으로 이용하기 위해선 우선 표준화된 명세를 통해 컴포넌트가 개발되어 유통업체나 벤더의 저장소에 저장되어 있어야 하며 구축된 저장소에서 사용자는 컴포넌트 검색 서비스를 이용하여 자신의 요구에 적합한 컴포넌트를 구매, 사용할 수 있는 체계화된 프로세스가 필요하다. 따라서 본 논문에서는 컴포넌트 검색을 위한 선행 작업으로서, 검색용 메타데이터를 메타데이터가 가져야 하는 원칙을 적용하여 정의한다. 컴포넌트가 가지는 일반적인 속성과 성질로부터 사용자가 컴포넌트를 검색하고자 할 때 사용되어질 수 있는 키워드를 메타데이터의 항목으로 추출하였으며 이렇게 정의된 메타데이터를 바탕으로 일반적인 정보의 분류에 적합한 기존 웹 검색과는 다른 컴포넌트만의 검색을 다루는 새로운 검색 시스템을 설계하였다. 따라서 효과적인 컴포넌트 재사용을 위해 검색용 메타데이터와 이를 바탕으로 한 컴포트 검색 시스템을 제안하고자 한다.

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Method of Automatically Generating Metadata through Audio Analysis of Video Content (영상 콘텐츠의 오디오 분석을 통한 메타데이터 자동 생성 방법)

  • Sung-Jung Young;Hyo-Gyeong Park;Yeon-Hwi You;Il-Young Moon
    • Journal of Advanced Navigation Technology
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    • v.25 no.6
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    • pp.557-561
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    • 2021
  • A meatadata has become an essential element in order to recommend video content to users. However, it is passively generated by video content providers. In the paper, a method for automatically generating metadata was studied in the existing manual metadata input method. In addition to the method of extracting emotion tags in the previous study, a study was conducted on a method for automatically generating metadata for genre and country of production through movie audio. The genre was extracted from the audio spectrogram using the ResNet34 artificial neural network model, a transfer learning model, and the language of the speaker in the movie was detected through speech recognition. Through this, it was possible to confirm the possibility of automatically generating metadata through artificial intelligence.

Metadata System for XML-based ECG Management Supporting Interoperability (상호연동성을 지원하는 XML기반의 심전도 데이터 관리를 위한 메타데이터 시스템)

  • Koo, Heung-Seo
    • Journal of the Korean Institute of Intelligent Systems
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    • v.16 no.6
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    • pp.704-709
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    • 2006
  • In this study, we suggest the effective storage structure and management method for XML-based electrocardiography(ECG) data to support the interoperability between medical information systems, and implement the metadata system of ECG data providing the web-based information service. ECG matadata management system include functions for storing and managing as well as reporting PDF service of ECG data. We analyzed a characteristics of the data and access patterns for XML-based ECG and then used the non-partitioning storing method and indexing the extracted metadata from the HL7 aECC for supporting the quick search. We, using the template mechanism, converts the XML-based results data into various formats in order to provide services of the ECG reporting.

The development of Metadata Prototype for Educational Game (교육용 게임을 위한 메타데이터 프로토타입 개발)

  • Yoon, Sean-Jeang;Yoon, Tae-Soo
    • Journal of Korea Game Society
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    • v.8 no.1
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    • pp.3-13
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    • 2008
  • We think that it is important to develop the metadata for educational game. Because they are applicable to game contents, separate learning sources and studying components in the game-based LCMS. But markets of eduainment and educational games are newborn field, so systematic development of metadata is not advanced yet. Therefore in this paper, we first established the design process of educational game metadata, and then according to the rule, we suggested this as a prototype. And we defined the extracted data as metadata for educational game through inspection of an expert group. If these metadata prototype are operated by adopting through standardization stage of public institutes, we can provide the convenience of searching, managing and recycling these metadata to learner, instructor and the developing institute. And we can also expect the prevention of overlapping investment.

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