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Image splicing method, image splicing device and computer readable storage medium

An image stitching and image technology, applied in the field of image processing, can solve problems such as affecting the stitching effect and limiting the accuracy of the final stitched image, and achieve the effect of improving the accuracy and the stitching effect.

Pending Publication Date: 2019-09-10
RICOH KK
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above image stitching process, the estimation method of the homography matrix often limits the accuracy of the final stitched image and affects the stitching effect.

Method used

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  • Image splicing method, image splicing device and computer readable storage medium
  • Image splicing method, image splicing device and computer readable storage medium
  • Image splicing method, image splicing device and computer readable storage medium

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Embodiment Construction

[0020] An image stitching method, an image stitching device, and a computer-readable storage medium according to embodiments of the present invention will be described below with reference to the accompanying drawings. In the drawings, like reference numerals denote like elements throughout. It should be understood that the embodiments described herein are illustrative only and should not be construed as limiting the scope of the present invention.

[0021] In the embodiment of the present invention, in order to overcome the problem of insufficient image stitching accuracy caused by the homography matrix estimation method in the prior art, the present invention considers dividing the image to be stitched into regions during the image stitching process, and according to the difference obtained by the division Regions get different homography matrices, and coordinate transformation and splicing are carried out accordingly, so as to improve the precision of image stitching and im...

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Abstract

The embodiment of the invention provides an image splicing method and device and a computer readable storage medium. The image at least comprises a first image and a second image, the image splicing method comprises the following steps: carrying out feature point detection and matching on a first image and a second image to be spliced, obtaining a plurality of feature point matching pairs, each feature point matching pair comprising a first feature point of the first image and a second feature point of the second image; dividing the first image into at least two first splicing areas, and calculating a first homography matrix of each first splicing area according to the feature point matching pair; dividing the first image into a plurality of first grids, and calculating a first grid homography matrix of each first grid of the first image according to at least one of the first homography matrixes of the at least two first splicing areas; and performing coordinate transformation on eachfirst grid in the first image according to the corresponding first grid homography matrix, and combining with a second image to form a spliced image.

Description

technical field [0001] The present application relates to the field of image processing, and in particular to an image stitching method, an image stitching device, and a computer-readable storage medium. Background technique [0002] Image stitching technology is the technology of stitching several images with overlapping parts (which can be obtained at different times, different viewing angles or different sensors) into a large seamless high-resolution image, which has always been the research of graphics and machine vision. interest. [0003] In the prior art, the image stitching algorithm usually solves the image stitching problem through grid optimization, and also uses processing such as shape preservation (Shape Preserving) to obtain a relatively natural stitching effect. Specifically, the existing image stitching technology generally first performs feature point detection and matching, and then estimates a homography matrix based on the feature point matching results...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40
CPCG06T3/4038G06T7/33G06T2207/10004G06T2207/20221Y02T10/40
Inventor 王艺伟刘丽艳王炜
Owner RICOH KK
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