Global ETD Search
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Showing 1 to 7 of 7 for “"MPEG-7"”.
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Aplikace pro automatický popis multimediálního obsahu
… multimedálnej databázi so zameraním na štandart MPEG-7, ktorého súčasti a kritéria budú kľučové k správe statických digitálnych obrazov, nakoľko štandard MPEG-7 definuje popis multimediálneho obsahu. Praktická časť bakalárskej práce bude obsahovať naprogramovanú aplikáciu, ktorá bude danú správu …
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Video indexing and summarization using motion activity
… to video summarization are presented. The MPEG-7 motion activity feature is defined as the subjective level of activity or motion in a video segment. First, a novel psychophysical and analytical framework for automatic measurement of motion activity in compliance with its subjective …
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Organising a photograph collection based on human appearance
… equalisation and feathering, and the features of MPEG-7 face recognition descriptor are extracted. A distance measure proposed in the MPEG-7 standard is used as a similarity measure. Three approaches to grouping that use only face recognition features for clustering are analysed. These are …
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Optimal feature selection and machine learning for high-level audio classification : a random forests approach
… been compared with the techniques proposed by MPEG-7 standard to extract the reduced feature space. The results show a significant improvement in the resulted classification accuracy, at the same time, the feature space is simplified and computational overhead reduced. The proposed feature …
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Semantic Protection and Personalization of Video Content. PIAF: MPEG Compliant Adaptation Framework Preserving the User Perceived Quality
… the user's preferences proposing extensions to MPEG-7 and MPEG-21. All the developed contributions were carried out as part of a coherent framework called PIAF. PIAF is a complete modular MPEG standard compliant framework that covers the whole process of semantic video adaptation. We validated …
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Towards practical automated human action recognition
… Therefore, we explore the potential of the MPEG-7 standard to provide a standard interface platform (through descriptors and architectures) for human action recognition from surveillance cameras. As the last contribution of this work, we present two novel MPEG-7 descriptors, one symbolic and …