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Display image processing method and device

An image processing device and image processing technology, applied in the field of data processing, can solve the problem that the accuracy of perspective transformation cannot be obtained in the process of image correction

Active Publication Date: 2019-04-05
深圳爱莫科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of this application is to provide a display image processing method and device to solve the problem in the related art that the image correction process cannot obtain high-precision perspective transformation

Method used

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  • Display image processing method and device
  • Display image processing method and device

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0048] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The invention discloses a display image processing method and device. The method comprises the following steps: carrying out direction clustering on straight lines in a display image to obtain two straight line sets containing the largest number of straight lines; Calculating a blanking point corresponding to each straight line set in the two straight line sets; Performing data processing on blanking points corresponding to the two straight line sets respectively to obtain a perspective transformation matrix; And correcting the display image based on the perspective transformation matrix to obtain a corrected image of the display image on the orthographic projection surface. The technical problem that perspective transformation with high precision cannot be obtained in the image correctionprocess in the prior art can be solved.

Description

technical field [0001] The present application relates to the technical field of data processing, and in particular, to a display image processing method and device. Background technique [0002] Perspective transformation is a common image processing method, which is often used for image correction. In the research on cigarette display recognition of cigarette cabinet images, due to different models of digital cameras and cameras and different shooting angles, especially the camera angles of cigarette display images captured by mobile phone cameras are relatively random, and there is an inclination angle between the camera and the cigarette cabinet. Instead of facing directly vertically downward (orthographic projection), and the image of the cigarette area may also have a large rotation angle, this brings a huge challenge to the subsequent detection algorithm. In order to improve the performance of the cigarette detection algorithm, it is necessary to restore the perspect...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06T5/00G06T7/536
CPCG06T7/536G06F18/23G06T5/00
Inventor 杨恒
Owner 深圳爱莫科技有限公司
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