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Wideband multimedia index and random index system

A random retrieval and multimedia technology, which is applied in the field of multimedia indexing and retrieval systems, can solve the problems of slowing down, difficult image annotation, slow data processing by client multimedia terminals, etc., and achieve the effect of slowing down and speeding up encoding

Inactive Publication Date: 2002-09-04
VIMICRO CORP
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AI Technical Summary

Problems solved by technology

However, P frame images and B frame images are encoded based on intermediate state frames, which means that their encoding and decoding depend on other frame images (P frame images depend on several frames of images before it, B frame images depend on several frames of images before and after it ). So P frame images and B frame images cannot be directly accessed and acquired
As a result, it is difficult for traditional systems to annotate these images individually
This defect makes it difficult for MPEG-1, MPEG-2 and MPEG-4 systems to meet customer requirements for image indexing and random retrieval
[0008] Finally, the system may slow down because the customer's multimedia terminal processes the data too slowly

Method used

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  • Wideband multimedia index and random index system

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Embodiment Construction

[0032] figure 1 Shows a complete end-to-end system that provides multimedia indexing and random retrieval. A powerful central server 10 can provide the entire multimedia service system operating on the broadband main chain network 15 . The client multimedia terminal 20 can be connected to the broadband backbone network in different ways. As shown in the figure, the customer multimedia terminal function can be directly connected to the broadband main chain network through the Ethernet 30, or the customer multimedia terminal function can be connected to the broadband main chain network through the ADSL router 40 and the telephone line, or the customer multimedia terminal function can pass through the IDSN modulator 50 and telephone lines are connected to the broadband main chain network. A client multimedia terminal can be in multiple formats. For example, a client multimedia terminal may have a camera connected to a personal computer, or a client multimedia terminal may also...

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Abstract

The present invention relates to a multimedia index and random access system, in particular it is a system for providing index and random searching function in the field of wideband video service. itis formed from a wideband main chain network, a central server and several, at least one customer multimedia terminal computer with built-in Motion-JPEG chip. Said system can utilize central server and user terminal computer to add tag in image, and utilizes control server to integrate the multimedia contents coming from customer terminal compute ror implement contents searching and feedback according to the requirements coming from customer multimedia terminal computer so as to provide random index for any a frame of image in the multimedia video process and can implement radom aquisition ofimage.

Description

technical field [0001] The invention relates to a multimedia indexing and retrieval system, and more specifically, relates to a system providing indexing and random retrieval functions in broadband video services. Background technique [0002] Electronic information can be transmitted between different locations through data networks. The advantage of a broadband network over other networks is that it can transmit a relatively large amount of data per unit of time. With the establishment of broadband infrastructure all over the world, commercial and civilian use of multimedia broadband will soon become a reality. [0003] Conventional systems encode video data using MPEG-1, MPEG-2 and MPEG-4 coding standards. MPEG-1 is a basic standard widely used in video data compression. MPEG-2 is a second-generation compression standard capable of encoding video data into a 6 Mbyte / sec bit stream. Although MPEG-4 has more capabilities necessary for processing multimedia content, its ...

Claims

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Application Information

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IPC IPC(8): G06F15/163G06F17/30
Inventor 俞青金兆玮薛天雄张辉
Owner VIMICRO CORP
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