In this paper the method is presented to retrieve based on image content in video database using DC-image. The DC-image with the DC coefficient is extracted from DCT domain of image in this video database model. The principle of DC-image and three different extraction methods of the DC-image from MPEG video stream are described. With the DC-image, temporary segmentation of compress video is realized depending the histogram of DC-image. Comparing the performance of three extracting methods and analyzing the result of DC-image extracted by different methods, we propose a video database structure and feature extraction method. To create the uniform indexing for video clip, the expression format of frame is developed by normalized histogram of DC-image.


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    Title :

    Retrieval based on image content using DC-image


    Contributors:
    Wang, Qinghai (author) / Mo, Yu L. (author)

    Conference:

    Image Compression and Encryption Technologies ; 2001 ; Wuhan,China


    Published in:

    Publication date :

    2001-09-26





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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