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Information parts extraction for retrieving image sequence data

A technology of image sequence and sequence, applied in image data processing, image analysis, suspension device of wing leaf, etc., can solve problems such as inaccurate distinction

Inactive Publication Date: 2008-01-30
IUCF HYU (IND UNIV COOP FOUND HANYANG UNIV)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the shape change descriptors of traditional video data acquisition methods do not use the continuous information of motion, so they cannot precisely distinguish each motion

Method used

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  • Information parts extraction for retrieving image sequence data
  • Information parts extraction for retrieving image sequence data
  • Information parts extraction for retrieving image sequence data

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Embodiment Construction

[0035] The present invention relates to a method for extracting information components of image sequence data and a recording medium for recording the method, in particular to a method for extracting information components and a recording medium for recording the method, which is used for Capture the video data that expresses the motion of the object as continuous image frames (ie, image sequences) and extract information components from each image sequence to obtain image sequence data that can distinguish the similarities between video data. In the present invention, the information component used to obtain the image sequence data includes a shape sequence and a shape sequence descriptor, which are used to recognize the movement of an object as information about the shape change of the object over time.

[0036] In order to fully understand the present invention, the operational advantages of the present invention, and the objectives achieved by implementing the present inventio...

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Abstract

The invention discloses a method for obtaining an extracted information component of image sequence data and a recording medium for recording the method. According to an embodiment of the present invention, the image frames included in the image sequence are converted into n frames including only objects separated from the background, and the corresponding n shape descriptors are extracted. Arranging the n shape descriptors in time order to generate a shape sequence, and performing frequency transformation on the shape sequence along the time axis to obtain transformation coefficients with frequency information. A shape sequence descriptor is extracted using coefficients in a low-frequency region among the obtained transform coefficients. With the present invention, video data representing the movement of objects can be captured as image sequences, and the similarity between video data can be distinguished by extracting information components from each image sequence.

Description

Technical field [0001] The present invention relates to information component extraction, and in particular to a method for extracting information components for obtaining image sequence data and a recording medium for recording the method. Background technique [0002] With the popularity of imaging devices such as digital cameras and camcorders, a rapidly increasing amount of multimedia data, such as digital image and video data, has been generated. Therefore, the management and acquisition of the generated multimedia data is becoming increasingly complex. [0003] In order to overcome this difficulty, a method of acquiring multimedia data through the content of the multimedia data instead of the annotations recorded by the person who generated the data is being extensively studied. [0004] Among these methods, content-based multimedia data acquisition methods extract shape, color, structure, and motion information from multimedia data, record their characteristics, and determ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/40G06V10/42
CPCG06K9/00342G06K9/52G06V40/23G06V10/42E05D15/063E06B3/4636E05Y2201/684E05Y2201/688E05Y2900/132
Inventor 金会律崔珉硕金铉哲
Owner IUCF HYU (IND UNIV COOP FOUND HANYANG UNIV)