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Panoramic image file processing method and system

A file processing and panoramic image technology, applied in image data processing, graphics and image conversion, instruments, etc., can solve the problems of slow transmission speed, large storage volume of panoramic image files, etc., and achieve the effect of utilizing bandwidth resources

Active Publication Date: 2017-03-22
SHENZHEN ARASHI VISION CO LTD
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Problems solved by technology

[0005] The purpose of the present invention is to provide a panoramic image file processing method and system to solve the problems in the prior art that the storage volume of panoramic image files is too large and the transmission speed is too slow

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  • Panoramic image file processing method and system

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Embodiment Construction

[0038] The technical solution of the present invention will be specifically described below in conjunction with the accompanying drawings.

[0039] Such as figure 1 As shown, the process flow of the panoramic image file processing method of the present invention includes the following steps:

[0040] Step 101: Create a latitude-longitude image with a certain aspect ratio, the aspect ratio is usually 2:1, and can also be other ratios;

[0041] Step 102: Set the percentage between the two weft lines;

[0042] Step 103: Calculate the width of each line of the latitude and longitude image row by row, and convert the panoramic image into a latitude and longitude image through bilinear interpolation;

[0043] Step 104: Calculate the width and height of the compressed storage image;

[0044] Step 105: Copy the left half of the latitude-longitude image to the corresponding position of the compressed storage image;

[0045] Step 106: segmenting the right half of the latitude-longit...

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Abstract

The invention discloses a panoramic image file processing method and system. The technical scheme comprises a step of creating a latitude and longitude image with a certain aspect ratio, a step of setting the occupied percentage between two latitude, calculating the width of each row in the latitude and longitude image row by row, and carrying out bilinear interpolation on a panoramic image into the latitude and longitude image, a step of creating a compressed stored image with a certain aspect ratio, splitting the latitude and longitude image, and carrying out connection to form a complete compressed stored image, and a step of creating a panoramic image which has a certain aspect ratio and is used for restoration, searching a corresponding mapping position in the compressed stored image row by row, and carrying out bilinear interpolation restoration as a panoramic image. According to the method and the system, the data amount of a panoramic image file in the storage and transmission process can be reduced, the compression, storage and transmission efficiency of the panoramic image file are improved, and the bandwidth resource is effectively utilized.

Description

technical field [0001] The invention belongs to the field of file processing, and relates to a file processing method and system, in particular to a panoramic image file processing method and system. Background technique [0002] In recent years, panoramic shooting has become more and more widely used in social life, and the storage capacity of panoramic video files has increased rapidly with the improvement of the resolution of various shooting devices. It is difficult for existing wired / wireless networks to Hosts panoramic video file transfers in high-resolution formats. [0003] Panoramic video files are usually stored and transmitted according to the longitude and latitude images with an aspect ratio of 2:1, which has the characteristics of large storage capacity and slow transmission. If you want to reduce the storage volume and speed up the transmission speed, you must compress the panoramic video file. The traditional compression method is to simply horizontally down...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00G06T3/40
CPCG06T3/4007G06T3/4023G06T3/4038G06T3/06
Inventor 蔡锦霖尹程龙刘靖康
Owner SHENZHEN ARASHI VISION CO LTD
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