Method, device, equipment and computer storage medium for establishing character recognition model
A text recognition and model building technology, applied in the field of text recognition, can solve problems such as high development cost and long development cycle, and achieve the effects of improving recognition effect, shortening development cycle, and improving development efficiency
Active Publication Date: 2021-12-24
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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However, when manually designing the model structure, it is necessary to continuously adjust the parameters of the model structure such as the network type, the number of network layers, and the number of networks, resulting in high development costs and a long development cycle when establishing a character recognition model.
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[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.
[0026] It should be understood that the term "and / or" used herein is only an association relationship describing associated objects, which means that there may be three relationships, for example, A and / or B, which may mean that A exists alone, and A and B exist simultaneously. B, there are three situations of B alone. In addition, the character " / " in this articl...
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The invention provides a method for establishing a character recognition model, the method comprising: acquiring training data including each character image and the recognition result of characters contained in each character image; Each parameter of the network and the search space of the value range of each parameter; sampling from the value range of each parameter of the convolutional neural network and the cyclic neural network respectively, after using the sampling results of each parameter value to obtain the model structure sequence , construct the corresponding model structure according to the model structure sequence; obtain the reward value of the model structure according to the training data, and determine whether the reward value satisfies the preset condition, if not, go to the step of building the model structure until the reward value of the model structure Satisfying the preset conditions, outputting the model structure as the final model structure; using the training data to train the final model structure until the final model structure converges to obtain a text recognition model.
Description
【Technical field】 [0001] The invention relates to the technical field of character recognition, in particular to a method, device, equipment and computer storage medium for establishing a character recognition model. 【Background technique】 [0002] Text recognition is one of the classic problems in computer vision, and its task is to obtain the recognition results of the text contained in the image. In the prior art, the model for character recognition is usually obtained by manually designing the model structure. However, when manually designing the model structure, it is necessary to continuously adjust the parameters of the model structure such as the network type, the number of network layers, and the number of networks, resulting in high development costs and a long development cycle when establishing a character recognition model. 【Content of invention】 [0003] In view of this, the present invention provides a method, device, device and computer storage medium for ...
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IPC IPC(8): G06K9/34G06K9/62G06N3/04
CPCG06V30/153G06V30/10G06N3/045G06F18/214
Inventor 姚锟孙逸鹏黎健成韩钧宇刘经拓丁二锐
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD