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- P-ISSN1225-598X
- E-ISSN2982-6292
뇌파측정기술(EEG)에 기초한 멀티미디어 자료의 주제 적합성에 관한 연구
Understanding Topical Relevance of Multimedia based on EEG Techniques
김용호 (부경대학교)
초록
본 연구는 뇌파측정기술(EEG/ERP)을 적용하여 멀티미디어 자료의 주제 적합성의 단순 모형과 복합 모형을 제안하였다. 즉, 단순 탐색을 처리할 때의 주제 적합성 판단 과정은 단순 모형으로 기술하고, 복합 탐색을 처리할 때의 주제 적합성 판단 과정은 복합 모형으로 설명한다. 단순 모형은 이미지의 의미 분석을 기술하는 N300과 작업 분류에 대한 판단을 할 때 발생하는 P3b 요소들을 이용하였다. 한편 복합 모형은 이미지 기반 표현과 개념적 표현을 하나의 문맥으로 통합시킬 때 나타나는 N400과 복잡한 인지 과정을 기술하는 P600 요소들을 이용하였다. 제안된 적합성 모형들은 EEG 측정 정보에 기초한 멀티미디어 정보시스템의 상호 작용 인터페이스 설계의 기초 자료로 활용될 수 있을 것으로 생각한다.
- keywords
- 뇌파측정기술, 사건관련유발전위, 주제 적합성 단순 모형, 주제 적합성 복합 모형, 비디오, 적합성, EEG, ERP, Simple Topical-relevance Model, Complex Topical-relevance Model, Video, Relevance
Abstract
This study proposed two topical relevance models, simple and complex models, using EEG/ERP techniques. In the simple model regarding simple search tasks, N300 and P3b components are used. The N300 is specific to the semantic processing of pictures and the P3b reflects mechanisms involved in the decision about whether an external stimulus matches or does not match an internal representation of a specific category. In the complex model regarding complex search tasks, on the other hand, N400 and P600 components are used. The N400 reflects activation of an amodel system that integrates both image-based and conceptual representations into a context, whereas the P600 is related to complex cognitive processes. Our research results can be used as a source to design an EEG-based interactive multimedia system.
- keywords
- 뇌파측정기술, 사건관련유발전위, 주제 적합성 단순 모형, 주제 적합성 복합 모형, 비디오, 적합성, EEG, ERP, Simple Topical-relevance Model, Complex Topical-relevance Model, Video, Relevance
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