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Method and system for recognizing quadrangular pyramid panoramic video

A panorama video, quadrangular pyramid technology, applied in image communication, selective content distribution, electrical components, etc., can solve the problem of inability to recognize quadrangular pyramid panorama video, and achieve the effect of improving user experience, accurate playback, and simplifying operations

Active Publication Date: 2019-07-26
BEIJING BAOFENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a method and system for recognizing quadrangular pyramid panoramic video, which solves the technical problem that the quadrangular pyramid panoramic video cannot be recognized in the prior art

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  • Method and system for recognizing quadrangular pyramid panoramic video
  • Method and system for recognizing quadrangular pyramid panoramic video
  • Method and system for recognizing quadrangular pyramid panoramic video

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Experimental program
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Embodiment 1

[0051] like figure 1 As shown, it is a schematic flow chart of the method for recognizing quadrangular pyramid panoramic video in this embodiment. The method in this embodiment solves the technical problem that the quadrangular pyramid panoramic video cannot be automatically recognized in the prior art. The method for identifying a quadrangular pyramid panoramic video described in this embodiment includes the following steps:

[0052] Step 101. In the player, set the side pixel variance threshold and the bottom pixel variance threshold for judging the quadrangular pyramid panoramic video.

[0053] Pyramid panoramic video refers to the technology of attaching the obtained panoramic video images to the panoramic video mapping surface of the quadrangular pyramid model, and then selecting the corresponding mapping image according to the user's viewing angle position to display and play in the playback window. Compared with the spherical panoramic video and the cubic panoramic vid...

Embodiment 2

[0068] like Figure 4 As shown, it is a schematic flow chart of the method for identifying quadrangular pyramid panoramic video described in this embodiment. On the basis of Embodiment 1, this embodiment describes the characteristics of image frames based on the sides of the quadrangular pyramid to further improve the quadrangular pyramid panoramic video. Identify the specifics of designing for accuracy. The method for identifying a quadrangular pyramid panoramic video described in this embodiment includes the following steps:

[0069] Step 401. In the player, set the side pixel variance threshold and the bottom pixel variance threshold for judging the quadrangular pyramid panoramic video. Optionally, the side pixel variance threshold is less than 80; the bottom pixel variance threshold is greater than or equal to 80.

[0070] Step 402, acquire video image frames from the database and calculate the aspect ratio of the image frames.

[0071] Step 403. When the aspect ratio o...

Embodiment 3

[0082] like Figure 5 As shown, it is a schematic structural diagram of a system for recognizing quadrangular pyramid panoramic video in this embodiment. The system in this embodiment is used to implement the method for recognizing quadrangular pyramid panoramic video in the above-mentioned embodiment. The system for recognizing the panoramic video of the quadrangular pyramid in this embodiment includes: a setting module 501 , a video image frame acquiring module 502 , a calculating module 503 and a judging module 504 of the panoramic pyramid video.

[0083] The setting module 501 is coupled with the video image frame acquisition module 502, and is used to set the side pixel variance threshold and the bottom pixel variance threshold for judging the quadrangular pyramid panoramic video in the player.

[0084] The video image frame acquisition module 502 is coupled to the setting module 501 and the calculation module 503, and is used to acquire video image frames from a database...

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Abstract

The invention discloses a method and system for recognizing a pyramid panoramic video. The method includes: setting a side edge pixel variance threshold and a gap pixel pair variance threshold used for determining the pyramid panoramic video in a player; obtaining an image frame of the video from a database and calculating the width-height ratio of the image frame; when the width-height ratio of the image frame is 1:1, regarding two pixels of the image frame as a side edge pixel pair, and calculating the pixel variance of the side edge pixel pair, wherein the distances from each edge of the image frame of the pixel to the central point of the edge are equal; obtaining a gap pixel pair at two sides of a connecting line of central points of two adjacent edges of the image frame when the pixel variances of the side edge pixel pairs are all less than or equal to the side edge pixel variance threshold on all edges of the image frame, and calculating the pixel variance of the gap pixel pair; and determining the video as the pyramid panoramic video when the pixel variances of all the gap pixel pairs are greater than or equal to the gap pixel pair variance threshold in the image frame. According to the method and system, automatic recognition of the pyramid panoramic video is realized.

Description

technical field [0001] The present invention relates to the technical field of video playback, and more specifically, to a method and system for recognizing quadrangular pyramid panoramic videos. Background technique [0002] Panoramic video, that is, 720-degree or 360-degree panoramic video, is developed and extended on the basis of 720-degree or 360-degree panoramic technology. It converts static panoramic pictures into dynamic video images. Panoramic video can be shot up, down, left, and right. View dynamic videos in a 360-degree range, allowing users to have an immersive feeling. When making a panoramic video, a group of cameras is used to shoot 360-degree (or 720-degree) images around the shooting point at the same time, and after image stitching in the later stage, it can show the video of the surrounding images of the shooting point without distortion at any time. [0003] At present, there is no specific format for saving panoramic videos, and the existing panoramic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/44H04N21/4402
CPCH04N21/44H04N21/44008H04N21/4402
Inventor 李进朱春明张鹏宇
Owner BEIJING BAOFENG TECH