Image Mosaic Method Based on Rule Boundary Constraints

A boundary constraint and image stitching technology, applied in the field of image processing, can solve problems such as grid boundary holes, feature error correspondence, and result distortion, and achieve the effects of ensuring content integrity, controlling distortion, and ensuring boundary regularity

Active Publication Date: 2022-05-24
ZHEJIANG UNIVERSITY OF MEDIA AND COMMUNICATIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 1) Taking image stitching and boundary regularization as two independent processes, it is difficult to guarantee the optimal results
[0009] 2) The grid on the irregular panorama has the problem of boundary holes
[0010] 3) When there is a large amount of content missing in the panorama, the result after deformation optimization has a large distortion, which corresponds to the wrong feature

Method used

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  • Image Mosaic Method Based on Rule Boundary Constraints
  • Image Mosaic Method Based on Rule Boundary Constraints

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] refer to figure 1 , the invention discloses an image stitching method based on regular boundary constraints, figure 1 A schematic diagram of the processing flow of an embodiment of the image stitching method of the present invention is shown, and the method includes:

[0031] S1, initial stitching of images

[0032] Taking multiple partially overlapping images as input, establish feature correspondence between images {E a }, the lo...

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Abstract

The invention discloses an image mosaic method based on regular boundary constraints, including: S1 initial mosaic of images; S2 extraction of irregular boundaries of panoramas; S3 establishment of regular boundaries based on segmented rectangles; S4 establishment of segmented rectangles based on boundary constraints Image stitching. This method defines regular boundaries according to the content and shape features of the panorama, and realizes image stitching based on regular boundaries through global energy optimization.

Description

technical field [0001] The invention belongs to the technical field of image processing, and in particular relates to an image stitching method based on regular boundary constraints. Background technique [0002] With the rapid development of image acquisition and editing processing technologies, panoramic images have been widely used in portable mobile devices such as smartphones, and their wider viewing angles bring better visual experience to users. The problem of irregular borders (irregular borders) in image stitching in the prior art makes the panoramic image need to be cut a lot during the display process, and thus part of the image information is easily lost. [0003] Although the current image editing technology has made a lot of progress and is widely used in smart devices, however, due to the free movement of the camera of mobile terminals such as mobile phones during the shooting process, most of the panoramic images after feature registration have irregular boun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40
CPCG06T3/4038G06T2200/32
Inventor 张赟
Owner ZHEJIANG UNIVERSITY OF MEDIA AND COMMUNICATIONS
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