文档介绍：Challenges in Multimedia Information Retrieval & Filtering
薛向阳
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复旦大学计算机科学与工程系
上海市智能信息处理重点实验室
6/26/2018
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薛向阳- 复旦大学计算机科学系
Outline
Potential Applications, Query Examples & Achievements
Basic Concepts & Architectures
Key Techniques & Problems
6/26/2018
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薛向阳- 复旦大学计算机科学系
Many Potential Applications
Broadcast media selection (. radio channel, TV channel)
Cultural services (. history museums, art galleries)
Digital libraries (. image catalogue, musical dictionary, bio-medical imaging catalogues, film, video and radio archives)
Journalism (. searching speeches of a certain politician using his name, his voice or his face)
Multimedia directory services (. yellow pages, Tourist information)
……
6/26/2018
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薛向阳- 复旦大学计算机科学系
Video Query Examples(TREC)
a specific person
I want all the information you have on Ronald Reagan
a specific thing
I'm interested in any material on Hoover Dam. I'm looking for a picture of the OGO satellite
6/26/2018
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薛向阳- 复旦大学计算机科学系
Informedia – CMU
Establishment of large video libraries as a searchable information resource
Full content information retrieval in both spoken language and video/image domains
Integration of speech, image and natural language understanding for library creation and exploration
Fully automated transcriptions generated entirely speech recognition or with closed captions
Information summ