Text image correction method and device

A technology of image correction and text, applied in the field of image processing, can solve problems such as text image distortion, achieve the effect of solving distortion, small changes, and improving accuracy

Active Publication Date: 2021-09-03
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to at least solve one of the above-mentioned technical defects, especially in the process of taking pictures, obtain more information that is beneficial to distortion parameter estimation through other means, and complete parameter estimation and distortion correction at the same time, so as to better solve text image distortion problem

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  • Text image correction method and device
  • Text image correction method and device

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Embodiment Construction

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0039] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be unders...

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Abstract

A text image correction method is proposed, comprising the following steps: transmitting information, and receiving reflection information of the transmitted information to obtain scene information in the field of view, and obtaining text images in the field of view; calculating the text image according to the scene information The distortion parameter of the text image; according to the distortion parameter of the text image, the text image is corrected for distortion. On the other hand, the embodiments of the present invention also provide a text image correction device and a text recognition device. The above-mentioned solution proposed by the present invention obtains scene information in the field of view by actively transmitting information during the photographing process, and then receiving reflection information. Based on this auxiliary approach, more information that is beneficial to distortion parameter estimation can be obtained. When correcting the text image, the distortion information of the text image can be obtained dynamically and in real time. Based on the captured reflection information, the parameter estimation can be well completed, and the distortion parameters of the text image can be accurately calculated, so as to better solve the text problem. The problem of image distortion.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular, the present invention relates to a text image correction method and device. Background technique [0002] Image processing refers to the technology of analyzing images with computers to achieve the desired results, also known as image processing. Image processing generally refers to digital image processing. Digital image processing is the use of computers to process image information to meet human visual psychology or application needs. First of all, digital image processing technology can help people understand the world more objectively and accurately. The human visual system can help humans obtain more than 3 / 4 of information from the outside world, and images and graphics are the carriers of all visual information. Although the human eye is highly discerning and can recognize thousands of colors, in many cases images are blurred or even invisible to the huma...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/32
CPCG06V30/142G06V10/243
Inventor 郭山文伟陈雪峰
Owner BEIJING SAMSUNG TELECOM R&D CENT
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