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 the problem of inaccurate retrieval results, and achieve the effect of improving accuracy
Active Publication Date: 2016-12-28
SHENZHEN INST OF ADVANCED TECH
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[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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[0020] The technical solution of the image retrieval method and device will be described in detail below in conjunction with specific embodiments and accompanying drawings, so as to make it more clear.
[0021] like figure 1 Shown, in one embodiment, a kind of image retrieval method comprises the steps:
[0022] S110. Obtain a search keyword, and filter an image collection from a database according to the search keyword.
[0023] In this embodiment, the word used for retrieving the image input by the user in the search engine is obtained as a keyword, and the image is screened from the image database or other databases containing pictures according to the keyword, which may be based on the description of the image , image name, the content of the web page where the image is located, etc. based on text retrieval technology.
[0024] S130. Establish a first spectrogram model of the image set according to the image features, and obtain a similarity relationship between two imag...
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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 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 labels and the ambiguity of retrieval keyword language, images retrieved by keyword-based image retrieval technology are usually not accurate enough. Contents of the invention [0003] Based on this, it is necessary to provide an image retrieval method and device capable of improving retrieval accuracy for the problem of inaccurate retrieval results of existing image retrieval technologies. [0004] An image retrieval method, comprising the steps of: [0005] Obtain the search keywords, and filter the image collection from the database according to the search keywords; [0006] Establishing the first spectrogram model of the image set according to the image features, and obtaining ...
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IPC IPC(8): G06F17/30
Inventor 陈世峰曹琛
Owner SHENZHEN INST OF ADVANCED TECH