DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Kim, Hyung-Myung | - |
dc.contributor.advisor | 김형명 | - |
dc.contributor.author | Kim, Jae-Gon | - |
dc.contributor.author | 김재곤 | - |
dc.date.accessioned | 2011-12-14 | - |
dc.date.available | 2011-12-14 | - |
dc.date.issued | 2005 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=244885&flag=dissertation | - |
dc.identifier.uri | http://hdl.handle.net/10203/35266 | - |
dc.description | 학위논문(박사) - 한국과학기술원 : 전기및전자공학전공, 2005.2, [ ix, 100 p. ] | - |
dc.description.abstract | Many techniques exist for adapting videos to satisfy heterogeneous resource conditions or user preferences. However, selections of appropriate adaptations among various feasible choices are often ad hoc. First, to provide a systematic solution, we present a general conceptual framework that models adaptation, resource, utility, and relations among them. It allows formulation of various adaptation problems as resource-constrained utility maximization. Second, a simple method to estimate the distortion caused by the DCT coefficient dropping for rate adaptation is presented. It is expected that the method can be employed to effectively allocate the distortion among frames in coefficient-drop transcoding applications. Third, we propose a content-based statistical approach to facilitate prediction of a utility function for real-time transcoding of live videos. Finally, we present a description tool to support utility-based adaptation for terminal and network quality of service (QoS). | eng |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | universal multimedia access | - |
dc.subject | transcoding | - |
dc.subject | Video adaptation | - |
dc.subject | MPEG-21 | - |
dc.subject | 엠펙-21 | - |
dc.subject | 범용 멀티미디어 접근 | - |
dc.subject | 변환 | - |
dc.subject | 비디오 적응 | - |
dc.title | (An) optimal adaptation framework for video transcoding in universal multimedia access | - |
dc.title.alternative | 범용 멀티미디어 접근(UMA)에서의 비디오 변환을 위한 최적 적응 프레임워크 | - |
dc.type | Thesis(Ph.D) | - |
dc.identifier.CNRN | 244885/325007 | - |
dc.description.department | 한국과학기술원 : 전기및전자공학전공, | - |
dc.identifier.uid | 000975067 | - |
dc.contributor.localauthor | Kim, Hyung-Myung | - |
dc.contributor.localauthor | 김형명 | - |
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