COSMOS-7: Video-Oriented MPEG-7 Scheme for Modelling and Filtering of Semantic Content

Agius, Harry; Angelides, Marios C.

doi:10.1093/comjnl/bxh115

Cited by 4 publications

(4 citation statements)

References 69 publications

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“…The representation of spatial relationships in video has been extensively discussed [Weiming, Nianhua, Li, Xianglin and Maybank 2011]. One of the most important abilities of a semantic content model should be to be able to query the position of objects in relation to other objects or their relative positioning within the shot, not just as a reference to their absolute positioning stated as coordinates [Agius and Angelides 2005]. Unlike spatial relationship in images, spatial relationships in video have a temporal dimension.…”

Section: Semantic Content Featuresmentioning

confidence: 99%

“…Semantically queries can be structured to investigate the temporal relationships not only between syntactic features, but also semantic features. Temporal relationships between these features allow the content model to express dynamism at the higher level [Agius and Angelides 2005]. Temporal relationships were first defined meaningfully by J.F.…”

Section: Semantic Content Featuresmentioning

confidence: 99%

“…Spatial and temporal relationships answer two of the four major categories of querying, i.e. "where" and "when", "who" and "what" [Agius and Angelides 2005]. The spatial relationship between objects is important the querying of events as it allows users to query a particular arrangement of objects, or change in arrangement, that might indicate a particular event or action.…”

Section: Problems With Extracting and Modelling Video Content Featuresmentioning

confidence: 99%

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MAC-REALM: A Video Content Feature Extraction and Modelling Framework

Parmar

Angelides

2015

The Computer Journal

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This paper discusses MAC-REALM, a framework for extraction of syntactic and semantic content features and content modelling with either little or no user interaction. The framework integrates a four filter-plane strategy: a pre-processing plane that filters redundant data, a syntactic feature extraction plane that filters syntactic features, a semantic relationships analysis and linkage plane that filters the spatial and temporal relationships of content features, and finally a content modelling plane where the syntactic and semantic content features are integrated into a content model. Each of the four planes is split into three layers: the content layer, where the content to be processed is stored, the application layer, where the content is converted into content descriptions, and the MPEG-7 layer, where content descriptions are serialized. Using MPEG-7 standards to produce the content model will provide wideranging interoperability, while facilitating granular multi-content type searches. MAC-REALM aims at 'bridging' the semantic gap, by integrating the syntactic and semantic content features from extraction through to modelling.

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Section: Semantic Content Featuresmentioning

confidence: 99%

Section: Semantic Content Featuresmentioning

confidence: 99%

Section: Problems With Extracting and Modelling Video Content Featuresmentioning

confidence: 99%

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MAC-REALM: A Video Content Feature Extraction and Modelling Framework

Parmar

Angelides

2015

The Computer Journal

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“…However, the domain of Bocconi et al is matter-of opinion documentaries based on interview. Agius and Angelides (2005) proposed the COSMOS-7 system that models the objects along with a set of events in which the objects participate, as well as events along with a set of objects and temporal relationships between the objects. This system/model Documentary media objects represents the events at a higher level only like speak, play, listen and not at the level of actions, gestures and movements.…”

Section: Documentary Media Objectsmentioning

confidence: 99%

Semantic annotation and retrieval of documentary media objects

Kanellopoulos

2012

The Electronic Library

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Access to this document was granted through an Emerald subscription provided by emerald-srm: 412925 [] For AuthorsIf you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/authors for more information. About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -This paper aims to propose a system for the semantic annotation of audio-visual media objects, which are provided in the documentary domain. It presents the system's architecture, a manual annotation tool, an authoring tool and a search engine for the documentary experts. The paper discusses the merits of a proposed approach of evolving semantic network as the basis for the audio-visual content description. Design/methodology/approach -The author demonstrates how documentary media can be semantically annotated, and how this information can be used for the retrieval of the documentary media objects. Furthermore, the paper outlines the underlying XML schema-based content description structures of the proposed system. Findings -Currently, a flexible organization of documentary media content description and the related media data is required. Such an organization requires the adaptable construction in the form of a semantic network. The proposed approach provides semantic structures with the capability to change and grow, allowing an ongoing task-specific process of inspection and interpretation of source material. The approach also provides technical memory structures (i.e. information nodes), which represent the size, duration, and technical format of the physical audio-visual material of any media type, such as audio, video and 3D animation. Originality/value -The proposed approach (architecture) is generic and facilitates the dynamic use of audio-visual material using links, enabling the connection from multi-layered information nodes to data on a temporal, spatial and spatial-temporal level. It enables the semantic connection between information nodes using typed relations, thus structuring the information space on a semantic as well as syntactic level. Since the description of media content holds constant for the associated time interval, the proposed system can handle multiple content descriptions for the same media unit and also handle gaps. The results of this research will be valuable not only for documentary experts but for anyone with a need to ...

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An empirical investigation into user navigation of digital video using the VCR-like control set

Crockford

Agius

2006

International Journal of Human-Computer Studies

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COSMOS-7: Video-Oriented MPEG-7 Scheme for Modelling and Filtering of Semantic Content

Cited by 4 publications

References 69 publications

MAC-REALM: A Video Content Feature Extraction and Modelling Framework

MAC-REALM: A Video Content Feature Extraction and Modelling Framework

Semantic annotation and retrieval of documentary media objects

An empirical investigation into user navigation of digital video using the VCR-like control set

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