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Portrait library data storage and retrieval method and device and storage medium

A data storage and data technology, which is applied in the fields of still image data retrieval, still image data indexing, digital data information retrieval, etc., can solve problems such as difficulty in execution, too large portrait library, etc., and achieve the effect of efficient storage and/or retrieval

Pending Publication Date: 2021-01-15
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a data storage and retrieval method, device, and storage medium of a portrait library, so as to at least solve the problem in the related art that the storage and retrieval of feature data are difficult to perform due to the large portrait database

Method used

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  • Portrait library data storage and retrieval method and device and storage medium
  • Portrait library data storage and retrieval method and device and storage medium
  • Portrait library data storage and retrieval method and device and storage medium

Examples

Experimental program
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Embodiment 1

[0036] In this embodiment, a data storage method of a portrait database is provided, figure 1 It is a flow chart of the data storage method of the portrait library according to Embodiment 1 of the present invention, such as figure 1 As shown, the process includes the following steps:

[0037] Step S102, receiving a feature data addition request, wherein the feature data addition request is used to request feature data to be added to the portrait library, the portrait library includes multiple slices, and each slice is used to store multiple pieces of feature data;

[0038] Step S104, according to the information of the multiple slices contained in the portrait database, determine the target slice for storing the feature data;

[0039] Step S106, acquiring the characteristic data, and storing the characteristic data in the target segment.

[0040] Through the above steps, the portrait library is divided into multiple slices, and in the process of adding data features to the p...

Embodiment 2

[0052] In this embodiment, a data retrieval method of a portrait library is provided, figure 2 It is a flow chart of the data retrieval method of the portrait library according to Embodiment 2 of the present invention, such as figure 2 As shown, the process includes the following steps:

[0053] Step S202, receiving a first retrieval request for retrieving target feature data in a portrait library, wherein the portrait library includes multiple slices, and each slice is used to store multiple pieces of feature data;

[0054] Step S204, according to the corresponding relationship between fragments and retrieval services, determine the respective retrieval services corresponding to the plurality of fragments;

[0055] Step S206, initiating a second retrieval request for retrieving the target feature data in the segment corresponding to the retrieval service to the determined retrieval service;

[0056] Step S208, receiving the retrieval result returned by the retrieval servi...

Embodiment 3

[0064] In this embodiment, a data storage system of a portrait library is provided, and the system is used to implement the above embodiments and preferred implementation modes, and those that have been explained will not be repeated here. As used below, the term "module" may be a combination of software and / or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

[0065] image 3 It is an exemplary structural block diagram of the data storage system of the portrait library according to Embodiment 3 of the present invention, such as image 3 As shown, the device includes: an application service module 31 , a management service module 32 , and a scheduling service module 33 .

[0066] The application service module 31 is configured to send a characteristic data addition reques...

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Abstract

The invention provides a portrait library data storage and retrieval method and device and a storage medium. The data storage method comprises the steps that a feature data adding request is received,the feature data adding request is used for requesting to add feature data to a portrait library, the portrait library comprises a plurality of fragments, and each fragment is used for storing a plurality of pieces of feature data; a target fragment for storing the feature data is determined according to the information of the plurality of fragments contained in the portrait library; and the feature data is obtained, and the feature data is stored in the target fragment. According to the method and the device, the problem that feature data storage and retrieval are difficult to execute due tothe fact that a portrait library is too large is solved, and quick, stable and efficient storage and / or retrieval of a large portrait library are / is realized.

Description

technical field [0001] The present invention relates to the field of file storage and information retrieval, in particular to a data storage and retrieval method and device of a portrait library, and a storage medium. Background technique [0002] In recent years, with the development of information technology and network, high-definition cameras can be seen everywhere in work and life, and the number of image processing is increasing at an alarming rate. It is particularly important to obtain effective information from the data. [0003] In the image field, the feature value of the image is usually first obtained to represent the image, thereby representing the image as a point in a high-dimensional feature space. In order to improve the retrieval speed, the feature values ​​are usually loaded into the memory of the retrieval service for calculation. However, in the case of massive portrait databases, the number of eigenvalues ​​generated is very large. For example, in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/51G06F16/532G06F16/538
CPCG06F16/51G06F16/532G06F16/538
Inventor 陈维力翟金磊杨莉
Owner ZHEJIANG DAHUA TECH CO LTD
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