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Image retrieval method and device

An image retrieval and image technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as inaccurate retrieval results

Active Publication Date: 2013-04-24
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

[0003] Based on this, it is necessary to provide an image retrieval method and device that can improve retrieval accuracy for the problem that the retrieval results of existing image retrieval technologies are not accurate enough

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Embodiment Construction

[0019] The technical solutions of the image retrieval method and device will be described in detail below with reference to specific embodiments and drawings to make it clearer.

[0020] Such as figure 1 As shown, in one embodiment, an image retrieval method includes the following steps:

[0021] S110: Obtain a search key, and obtain an image collection from the database according to the search key.

[0022] In this embodiment, the words entered by the user in the search engine for retrieving images are acquired as keywords, and the images are filtered from the image database or other databases containing images according to the keywords, which may be based on the description of the image , Image name, content of the webpage where the image is located, and other text-based retrieval technologies.

[0023] S130: Establish a first spectrogram model of the image set according to the image characteristics, and obtain the similarity relationship between the two images in the image set.

[0...

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Abstract

The invention provides an image retrieval method and device. The method includes acquiring a retrieval key word and performing screening in a database according to the retrieval key word to obtain an image set; establishing a first spectrogram model of the image set according to image characteristics to obtain a similarity relation of each two images in the image set; establishing a semi-supervised learning model according to the similarity relation; subjecting the image set to denoising according to the semi-supervised learning model to obtain a denoising image set; and returning the denoising image set to be used as a retrieval result corresponding to the retrieval key word. According to the image retrieval method and device, by means of the establishing of the spectrogram model of the image set, the semi-supervised learning model is established, the image set is subjected to denoising according to the semi-supervised learning model, the image set which is subjected to denoising is returned to be used as the retrieval result corresponding to the retrieval key word, overall denoising is performed on the retrieved image set, and the accuracy of image retrieval is improved.

Description

Technical field [0001] The present invention relates to image retrieval technology, in particular to an image retrieval method and device. Background technique [0002] Keyword-based image retrieval technology is the current mainstream image retrieval technology. However, due to the existence of wrong tags and the ambiguity of the retrieval keyword language, the images retrieved by keyword-based image retrieval technology are usually not accurate enough. Summary of the invention [0003] Based on this, it is necessary to provide an image retrieval method and device that can improve retrieval accuracy to solve the problem of insufficient retrieval results of existing image retrieval technologies. [0004] An image retrieval method includes the following steps: [0005] Obtain search keywords, and filter the image collection from the database according to the search keywords; [0006] Establish the first spectrogram model of the image collection according to the image characteristics, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 陈世峰曹琛
Owner SHENZHEN INST OF ADVANCED TECH
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