Image processing method and device, computer storage medium and electronic equipment

An image processing and character image technology, applied in the field of image processing, can solve the problems of lack of representation and versatility, unsatisfactory sparsity, easy to fall into local optimum, etc., to achieve the effect of improving the recognition effect

Active Publication Date: 2021-03-23
HEFEI LCFC INFORMATION TECH
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Problems solved by technology

However, the sparseness of the feature description of this matrix decomposition method is not ideal, and the features are not

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  • Image processing method and device, computer storage medium and electronic equipment
  • Image processing method and device, computer storage medium and electronic equipment
  • Image processing method and device, computer storage medium and electronic equipment

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[0022] In order to make the objects, characteristics, advantages of the present invention, the technical solutions in the embodiments of the present invention will be apparent from the drawings in the embodiments of the present invention. Embodiments are merely the embodiment of the invention, and not all of the embodiments. Based on the embodiments of the present invention, those skilled in the art are in the range of the present invention in the scope of the present invention without making in the pre-creative labor pre-.

[0023] In the description of this specification, a description of the reference terms "one embodiment", "some embodiments", "example", "specifically example", or "some example", etc., meant to combine the specific characteristics described in connection with this embodiment. , Structures, materials or features are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials or features describ...

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Abstract

The invention discloses an image processing method and apparatus, a computer storage medium and an electronic device. The method comprises the steps of constructing a character image training set anda character image test set; training the character image training set by using a target matrix decomposition function to obtain a corresponding target matrix which at least comprises a target basis matrix and a target coefficient matrix; calculating a coefficient vector corresponding to the character image test set at least according to the target basis matrix; and performing character classification on the character image test set according to the coefficient vector and the target coefficient matrix to obtain a character classification result. According to the image processing method and device, the computer storage medium and the electronic equipment provided by the embodiment of the invention, the hidden semantics and the internal geometric structure in the character image can be effectively explained, so that the feature expression is more expressive, and the recognition effect of the character image is greatly improved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image processing method, device, computer storage medium and electronic equipment. Background technique [0002] There are many types of labels attached to the surface of the notebook, and the styles are relatively similar. It is difficult to guarantee the accuracy of the entire label simply by using machine learning to identify it. By identifying the characters on the label, the label can be effectively recognized. In the field of image recognition, mining the potential structural features of high-dimensional image data is a key step to improve the accuracy of image recognition and reduce the complexity of image recognition. [0003] Nonnegative Matrix Factorization (NMF, Nonnegative Matrix Factorization) decomposes the original nonnegative data matrix into the product of two nonnegative matrices (base matrix and coefficient matrix). The decomposition results...

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Application Information

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IPC IPC(8): G06K9/34G06K9/62
CPCG06V30/153G06F18/241G06F18/214
Inventor 张伟
Owner HEFEI LCFC INFORMATION TECH
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