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Text image processing method, text and card image quality evaluation method and device

An image quality evaluation, text image technology, applied in the field of information processing, can solve problems such as poor text image quality, and achieve the effect of improving quality and reducing impact

Active Publication Date: 2022-04-22
MASHANG CONSUMER FINANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a text image processing method, a text and card image quality evaluation method and device, to solve the problem existing in the prior art that adjusting the size of the text image by compression or stretching results in poor quality of the text image question

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  • Text image processing method, text and card image quality evaluation method and device
  • Text image processing method, text and card image quality evaluation method and device
  • Text image processing method, text and card image quality evaluation method and device

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Embodiment Construction

[0078] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0079] An embodiment of the present invention provides a text image processing method. see figure 1 , figure 1 is a flowchart of a text image processing method provided by an embodiment of the present invention, such as figure 1 shown, including the following steps:

[0080] Step 101. Acquire a first text image block to be processed, wherein the ratio of the length to the width of the first text image block does not satisfy a preset ratio condition....

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Abstract

The present invention provides a text image processing method, text and card image quality evaluation method and device. The text image processing method includes: acquiring a first text image block to be processed, wherein the length of the first text image block and the The ratio of the widths does not meet the preset ratio condition; the first text image block is divided to obtain N text image sub-blocks, where N is an integer greater than 1; the N text image sub-blocks are spliced, A second text image block is obtained, wherein the ratio of the length to the width of the second text image block satisfies the preset ratio condition. With the text image processing method provided by the present invention, the influence of size adjustment on the quality of the text image block can be reduced, and the quality of the adjusted text image block can be improved.

Description

technical field [0001] The invention relates to the technical field of information processing, in particular to a text image processing method, a text and card image quality evaluation method and device. Background technique [0002] In the process of text recognition on images, the image quality has a great influence on the accuracy of text recognition. For example, due to shaking or complex light environment, etc., the captured image will be blurred, reflective or the image is too dark, resulting in text recognition failure. . [0003] At present, neural networks are usually used to evaluate the quality of extracted text image blocks. Since the aspect ratio of the input image required by the neural network is usually fixed, and the aspect ratio of the extracted text image blocks in practical applications is often different from the aspect ratio required by the neural network, it is necessary to size the extracted text image blocks Adjusted to meet the input requirements ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V30/14G06V30/148G06V30/19G06V10/82G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06V10/22G06V10/267G06N3/045G06F18/241
Inventor 沈程隆赵立军
Owner MASHANG CONSUMER FINANCE CO LTD