Image reconstruction method and device based on feature line screening, storage medium and processor
An image reconstruction and feature line technology, applied in the field of image processing, can solve the problems of reducing the accuracy of three-dimensional image reconstruction, and the feature lines cannot be screened out, and achieves the effect of improving the accuracy and solving the accuracy.
Pending Publication Date: 2021-06-22
上海方联技术服务有限公司
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[0007] The main purpose of this application is to provide an image reconstruction method, device, storage medium and processor based on feature line screening, to solve the problem of reducing the accuracy of three-dimensional image reconstruction caused by the inability to filter out mismatched feature lines
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[0032] 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.
[0033] 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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The invention discloses an image reconstruction method and device based on feature line screening, a storage medium and a processor. The image reconstruction method based on feature line screening comprises the following steps: parametrically expressing at least three first feature lines in a matched first feature line group; substituting a parameterized expression result into a preset trifocal tensor model to judge whether a preset contour line condition is met or not; if yes, screening the at least three matched first feature lines into a target matching group; and executing a three-dimensional image reconstruction operation based on the target matching group. The technical problem that the accuracy of three-dimensional image reconstruction is reduced due to the fact that mismatched feature lines cannot be screened out is solved.
Description
technical field [0001] The present application relates to the field of image processing, in particular, to an image reconstruction method, device, storage medium and processor based on feature line screening. Background technique [0002] The 3D reconstruction method based on aerial images is mainly developed from the Structure from Motion method based on feature points. The method is a 3D reconstruction technique that recovers 3D structures from camera photos. [0003] By inputting a set of photos of a fixed scene, the technology will identify the feature points in the image, match the same feature points in different images, and calculate the position of the camera and the location of the feature points when taking different photos. Finally, a set of 3D point clouds reflecting the spatial structure of the scene is generated. [0004] The Structure from Motion method based on feature lines starts with identifying and restoring the spatial structure of feature lines in the...
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IPC IPC(8): G06T17/00G06T7/13G06T7/181G06T7/593G06K9/46
CPCG06T17/00G06T7/13G06T7/181G06T7/593G06T2207/10012G06T2207/10032G06V10/44
Inventor 苏星李路平
Owner 上海方联技术服务有限公司