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Image retrieval method and system

An image retrieval and image technology, which is applied in the directions of still image data retrieval, still image data query, digital data information retrieval, etc., can solve the problem of not being able to respond to retrieval in a short time, and achieve the effect of fast retrieval

Active Publication Date: 2019-07-09
CHINA HUA RONG HLDG
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Problems solved by technology

Existing image retrieval methods cannot respond in a short time to complete the retrieval after the amount of data in the image database increases

Method used

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Embodiment Construction

[0059] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0060] The embodiment is basically as attached figure 1 Shown:

[0061] The image retrieval method in this embodiment includes: S1: Acquiring n target images and extracting features of all target images;

[0062] S2: Cluster the features and build a dictionary tree T 1 ;

[0063] S3: According to the dictionary tree T 1 Calculate the frequency vector F j , and then according to the frequency vector F j Get the dictionary vector d of each target image j ;

[0064] S4: Obtain the query image and calculate the dictionary vector q of the query image j , and compute the dictionary vector q j and the dictionary vector d j similarity s j ;

[0065] S5: According to the similarity s j Get the query result.

[...

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Abstract

The invention relates to an image retrieval method and system, and relates to the field of electronic data processing. The method comprises the following steps: S1, acquiring n target images and extracting features of all the target images; S2, clustering the features and constructing a dictionary tree T1; S 3, calculating a frequency vector Fj according to the dictionary tree T1, and then obtaining a dictionary vector dj of each target image according to the frequency vector Fj; S4, acquiring a query image, calculating a dictionary vector qj of the query image, and calculating the similaritysj of the dictionary vector qj and the dictionary vector dj; and S5, obtaining a query result according to the similarity sj. According to the scheme, the technical problem of how to complete rapid retrieval of tens of thousands of levels of images is solved, and the method is suitable for rapid retrieval of tens of thousands of levels of images.

Description

technical field [0001] The invention relates to the field of electronic data processing, in particular to an image retrieval method and system. Background technique [0002] With the development of the Internet, the requirements for image retrieval are also increasing day by day. Existing image retrieval methods cannot respond in a short time to complete the retrieval after the data volume of the image database increases. Contents of the invention [0003] The technical problem to be solved by the present invention is how to complete the fast retrieval of tens of millions of images. [0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: an image retrieval method, comprising the following steps: [0005] S1: Obtain n target images and extract features of all the target images; [0006] S2: Cluster the features and build a dictionary tree T 1 ; [0007] S3: According to the dictionary tree T 1 Calculate t...

Claims

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Application Information

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IPC IPC(8): G06F16/583G06F16/53
Inventor 朱利霞史云飞伊文超梁波赵国强
Owner CHINA HUA RONG HLDG
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