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Image searching method and device, and image searching system

An image search and image technology, applied in the search field, can solve the problems of limited descriptor dimensions, image retrieval accuracy and retrieval efficiency cannot be well balanced

Active Publication Date: 2016-10-05
PEKING UNIV
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  • Abstract
  • Description
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Problems solved by technology

However, the search method of this method using global descriptors is often limited by the high descriptor dimension, and the image retrieval accuracy and retrieval efficiency are often not well balanced.

Method used

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  • Image searching method and device, and image searching system
  • Image searching method and device, and image searching system
  • Image searching method and device, and image searching system

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Embodiment Construction

[0085] The specific embodiments of the invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention. The "first" and "second" used in the embodiments of the present invention are only used to more clearly illustrate the content of the present application, and do not have specific meanings nor limit any content.

[0086] figure 1 A schematic flow chart of an image search method provided by an embodiment of the present invention is shown, as shown in figure 1 As shown, the image search method in this embodiment is as follows.

[0087] 101. Obtain visual words of the image to be queried.

[0088] In this embodiment, the image to be queried may be information such as an image to be queried, a sketch, and the like.

[0089] For example, at least one descriptor of the image to b...

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Abstract

The invention discloses an image searching method and device, and an image searching system. The image searching method includes: acquiring a vision word of an image to be searched; acquiring a first set including binary codes from a preset index table according to the vision word; acquiring a first binary code of the image to be searched; acquiring a first distance between the first binary code and each binary code of the first set; selecting the first distance meeting a first preset range, allowing binary codes corresponding to the first distance meeting the first preset range to form a second set; acquiring images to which all the binary codes of the second set belong, and scoring the images by means of all the binary codes of the second set, selecting a scoring result meeting a second preset range from all the scoring results, using an image corresponding to the selected scoring result as an image similar to the image to be searched. The image searching method can improve the searching speed of images, improve the searching efficiency, and improve the searching accuracy of the images.

Description

technical field [0001] The invention relates to search technology, in particular to an image search method and device, and an image search system. Background technique [0002] With the rise of the Internet industry and the popularity of big data services, mining information from massive images has gradually become a basic requirement, and there are more and more applications related to visual search. The content-based image search method is a retrieval method that uses images as queries and searches for similar images for the purpose. Image search can effectively meet the query requirements and improve the user experience of search. [0003] At present, an implementation method of image search includes: firstly, obtaining the visual descriptor of the image, and quantizing the visual descriptor into corresponding visual words; then, using the information composed of visual words to perform search. That is, the traditional text retrieval method is used to realize the image ...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 段凌宇王一同王哲黄铁军高文
Owner PEKING UNIV
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