摘要:
Disclosed is a system for authoring metadata that describe multimedia contents. A storage device loads information on a currently edited metadata document so as to describe multimedia contents, and a metadata editor visualizes the loaded metadata document according to a predetermined method, and allows a user to edit the metadata document. A multimedia access reproducer accesses the input multimedia contents to reproduce corresponding multimedia contents, and an inter-media metadata interface links the multimedia access reproducer and the metadata editor to browse contents and effectively edit information relating to a specific interval of multimedia contents. A metadata output device outputs information on the loaded metadata document according to a predefined format.
摘要:
Disclosed is a system for authoring metadata that describe multimedia contents. A storage device loads information on a currently edited metadata document so as to describe multimedia contents, and a metadata editor visualizes the loaded metadata document according to a predetermined method, and allows a user to edit the metadata document. A multimedia access reproducer accesses the input multimedia contents to reproduce corresponding multimedia contents, and an inter-media metadata interface links the multimedia access reproducer and the metadata editor to browse contents and effectively edit information relating to a specific interval of multimedia contents. A metadata output device outputs information on the loaded metadata document according to a predefined format.
摘要:
The present invention provides a method for detecting and classifying block edges from DCT-compressed images, and more particularly, a fast method for classifying the edge direction of each block in the DCT-compressed images. The method includes: extracting DCT coefficients by blocks constituting the compressed image; and applying an arithmetic operation defined for each direction component to the DCT coefficients, and comparing the results of the arithmetic operations to determine the edge direction component. The present invention is directly applied in the DCT domain based on the quantitative analysis on the contribution factor of each DCT coefficient to formation of the directional pattern of the block edge, thereby drastically reducing the computational complexity of arithmetic operations necessary to the detection and classification of block edges.
摘要:
A method and apparatus for searching, browsing and summarizing moving image data using the fidelity of a tree-structured moving image hierarchy, which can partition or divide the moving image data into predetermined units, extract a key frame or representative frame from each of the partitioned or divided units, create a tree-structured key frame hierarchy on the basis of the extracted key frames, store a fidelity value of each of the key frames, which is a sub-tree information representative degree of each key frame, at an edge between adjacent ones of the key frames, and effectively and efficiently search, browse and summarize the moving image data using the stored fidelity values. Therefore, a query image or video clip desired by a user can more rapidly and accurately be searched for.
摘要:
A video summary description scheme for describing video summary intervals by meta data that provides overview functionality, and which makes it feasible to understand overall contents of the original video within a short time, and navigation and browsing functionalities, which make it feasible to search the desired video contents efficiently. A Video Summary DS includes at least one HighlightSegment DS that describes information on a highlight segment corresponding to one of the video summary intervals, wherein the HighlightSegment DS comprises a VideoSegmentLocator DS describing the highlight segment and an ImageLocator DS describing a representative frame of the highlight segment.
摘要:
A method and apparatus for searching, browsing and summarizing moving image data using the fidelity of a tree-structured moving image hierarchy, which can partition or divide the moving image data into predetermined units, extract a key frame or representative frame from each of the partitioned or divided units, create a tree-structured key frame hierarchy on the basis of the extracted key frames, store a fidelity value of each of the key frames, which is a sub-tree information representative degree of each key frame, at an edge between adjacent ones of the key frames and effectively and efficiently search, browse and summarize the moving image data using the stored fidelity values. Therefore, a query image or video clip desired by a user can more rapidly and accurately be searched for.
摘要:
A video summary description system for describing video summary by meta data to provide overview functionality that makes it feasible to understand the overall contents of the original video within a short time with navigation and browsing functionalities, and that makes it feasible to search the desired video contents efficiently. The system includes a HierarchicalSummary Description Scheme (DS) for describing a video summary that includes a HighlightLevel DS having at least one HighlightSegment DS. The HighlightSegment DS describes information on a highlight segment corresponding to one of the video summary intervals, and the HighlightSegment DS includes a VideoSegmentLocator DS for describing time information or the video itself of the highlight segment and an ImageLocator DS describing a representative frame of the highlight segment.