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Hierarchical video stitching method and device based on multi-scale camera array

A camera array and video splicing technology, applied in the field of video splicing, can solve the problems of unsuitable parallel processing, slow splicing speed, accumulated error and so on

Active Publication Date: 2021-12-14
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this splicing method is not suitable for parallel processing, the splicing speed is slow, and it is prone to cumulative errors

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  • Hierarchical video stitching method and device based on multi-scale camera array
  • Hierarchical video stitching method and device based on multi-scale camera array
  • Hierarchical video stitching method and device based on multi-scale camera array

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Embodiment Construction

[0053]Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0054] The following describes the multi-scale camera array-based hierarchical video stitching method and device according to the embodiments of the present invention with reference to the accompanying drawings.

[0055] Firstly, a hierarchical video stitching method based on a multi-scale camera array according to an embodiment of the present invention will be described with reference to the accompanying drawings.

[0056] figure 1 It is a flowchart of a hierarchical video stitching method based on a multi-scale camera array acc...

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Abstract

The invention discloses a hierarchical video mosaic method and device based on a multi-scale camera array, wherein the method includes: collecting the global video and multiple local videos of a scene through a global camera of the multi-scale camera array and local cameras of N levels ; Wherein, N is a positive integer; Utilize the embedded splicing algorithm to embed the first-level local video into the global video to generate a first-level global video; Utilize the embedded splicing algorithm to embed the M-level local video into the M-1 level global video , generate M-level global video, where M=2, 3, 4...N, N is the number of local cameras; complete the embedding process of all levels of local video, get N-level global video, and output N-level global video as the scene global video. This method can effectively improve the video splicing quality under the premise of taking splicing speed into consideration.

Description

technical field [0001] The present invention relates to the technical field of video stitching, in particular to a hierarchical video stitching method and device based on a multi-scale camera array. Background technique [0002] With the continuous development of computer vision technology, the demand for high-quality image and video is increasing, which has given birth to a variety of acquisition technologies such as single-camera scanning and camera arrays. The focal length of each camera in the traditional camera array is the same. After acquiring the camera images, an optimization strategy is used to splice the images of each camera one by one. But this splicing method is not suitable for parallel processing, the splicing speed is slow, and it is easy to generate cumulative errors. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. [0004] For this reason, an object of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/262H04N5/265H04N5/232
CPCH04N5/262H04N5/265H04N23/60
Inventor 戴琼海袁文帅裴承全
Owner TSINGHUA UNIV
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