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Time stream-based video rapid retrieval method

A time stream and video technology, applied in the field of video file creation and retrieval, can solve the problems of difficult management of massive video content, difficult retrieval and search, poor application experience, etc., and achieve the effect of improving operation friendliness and retrieval efficiency

Inactive Publication Date: 2016-12-07
SHENZHEN PCTX TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Since there is only a retrieval method based on the file name, it is very difficult to manage the massive video content generated continuously or intermittently for a long time, and it is difficult to achieve fast retrieval and search;
[0004] The existing technology is usually managed in units of video files, resulting in discontinuous retrieval process and poor application experience

Method used

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  • Time stream-based video rapid retrieval method

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specific Embodiment approach

[0055] Such as figure 1 As shown, it shows the specific implementation of the present invention. As shown in the figure, the fast video retrieval method based on time stream disclosed in the present invention includes a video file creation process and a video file retrieval process;

[0056] The process of creating the video file includes the following steps:

[0057] S1: Take the time attribute as the key key value, and generate a multi-level index file during the video file generation process;

[0058] S2: The first-level retrieval key value is the name of the folder generated based on natural time; the video folder is generated at a predefined fixed time interval (for example, several hours), and at the same time, an index file of multiple folders is established; the global corresponds to a folder Retrieve files, the retrieved files in this folder are first-level index files;

[0059] S3: The secondary retrieval key value is a file name named based on time; a video file is generat...

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Abstract

The invention discloses a time stream-based video rapid retrieval method comprising a video file creating process and a video file retrieval process; the video file creating process comprises the following steps: S1, using the time attribute as a key value, and forming multistage index files in a video file forming process; S2, using a first stage retrieval key value as a folder name formed according to a natural time; S3, using a second stage retrieval key value as a file name named after time; S4, using a third stage retrieval key value as a time stamp based on a video frame. The video file retrieval process is used for retrieving specific video frames of a video file created by the video file creating process; the video file retrieval process comprises the following steps: inputting given time retrieval conditions; fast locating a folder complying with the conditions; fast locating a specific video file; accurately searching a specific video frame complying with the inputted time retrieval conditions.

Description

Technical field [0001] The invention relates to a video retrieval method, which is specifically used for the creation and retrieval of video files. Background technique [0002] Traditional video recording equipment usually stores and records the video recording files in the form of files, and searches the video files in a way of searching by the file name keywords; the core search object for the traditional search method is the file name. [0003] Since it only has the retrieval method based on the file name, it is very difficult to manage the massive video content generated continuously or intermittently for a long time, and it is difficult to achieve fast retrieval and search; [0004] The prior art usually manages video files as a unit, which leads to discontinuous retrieval process and poor application experience. Summary of the invention [0005] The technical problem to be solved by the present invention is to provide a fast video retrieval method based on time stream in view ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/71
Inventor 万斌
Owner SHENZHEN PCTX TECH DEV
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