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Rotation invariant template image generation method, device, device and storage medium

A template image, rotation invariant technology, applied in the field of image processing, can solve the problems of low matching speed, prone to false matching, large amount of calculation, etc.

Active Publication Date: 2021-08-06
深圳棱镜空间智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the matching process, every time you slide to a position, you need to calculate the rotation invariant feature at that position on the image to be searched, which makes the calculation amount huge, resulting in a low matching speed
Moreover, the circular projection algorithm directly uses the average gray value on the ring to generate rotation-invariant features, which makes the features not significant enough, resulting in easy mis-match

Method used

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  • Rotation invariant template image generation method, device, device and storage medium
  • Rotation invariant template image generation method, device, device and storage medium
  • Rotation invariant template image generation method, device, device and storage medium

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Embodiment Construction

[0047] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0048] refer to figure 1 , figure 1 It is a schematic diagram of the terminal structure of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0049] The terminal in this embodiment of the present invention is a rotation-invariant template image generation device, and the rotation-invariant template image generation device may be a terminal device with processing functions such as a PC (personal computer, personal computer), a microcomputer, a notebook computer, and a server.

[0050] Such as figure 1 As shown, the terminal may include: a processor 1001 , such as a CPU (Central Processing Unit, central processing unit), a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to...

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Abstract

The invention discloses a rotation-invariant template image generation method, device, equipment and storage medium. The rotation-invariant template image generation method includes: acquiring an original template image, performing a rotation operation on the original template image, and The average operation obtains an angle average image; based on the angle average image, a rotation-invariant template image is generated for matching on the image to be searched based on the rotation-invariant template image. The invention utilizes the rotation invariance of the angle average image to generate a rotation invariant template image, and directly ignores the rotation change based on the rotation invariant template image to perform matching on the image to be searched, and the invention improves the accuracy of image template matching, And improve the speed of image template matching.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a method, device, equipment and computer-readable storage medium for generating a rotation-invariant template image. Background technique [0002] With the rapid development of science and technology, more and more technologies are applied in the field of image processing. Currently, image template matching is widely used in image calibration, object recognition and navigation positioning. Usually, a template image needs to be given to find the most similar position on the image to be searched. However, when there is a difference in rotation angle between the template image and the image to be searched, a rotation-invariant template matching algorithm needs to be used for matching. [0003] Currently, rotation-invariant template matching can be performed by feature point matching. The feature point matching is to extract a series of feature points from the ima...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/00G06T3/60
CPCG06T3/60G06T3/04
Inventor 贺永刚
Owner 深圳棱镜空间智能科技有限公司