Image compression method applied to machine patrol picture uploading

A technology for image compression and image upload, applied in image communication, digital video signal modification, electrical components, etc.

Active Publication Date: 2021-06-25
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The problem to be solved by the present invention is: to provide an image compression method applied to the uploading of machine patrol pictures, so

Method used

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  • Image compression method applied to machine patrol picture uploading

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Embodiment Construction

[0027] An image compression method applied to machine patrol picture uploading, said method comprising:

[0028] Step 1, obtain the target picture;

[0029] Obtain a series of images taken during the drone inspection as target pictures.

[0030] Step 2, detecting whether the target image needs to be compressed;

[0031] Specifically, in an implementation manner, detecting whether the target image needs to be compressed may include:

[0032] It is judged whether the resolution of the target picture is greater than a threshold set by itself. If yes, the image needs to be compressed, go to step 3.

[0033] Step 3, judging whether the target image can use the WebP compression method in the current application scenario;

[0034] Specifically, in an implementation manner, judging whether the target picture can use the WebP compression method in the current application scenario includes:

[0035] The application sends an image request, and checks the Accept field in the request ...

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Abstract

The invention discloses an image compression method applied to machine patrol picture uploading. The method comprises the following steps: 1, obtaining a target picture; 2, detecting whether the target picture needs to be compressed or not; 3, if the target picture needs to be compressed, judging whether the target picture can use a WebP compression method or not in a current application scene; if yes, selecting a WebP compression method and skipping to the step 5; 4, judging whether the Guetzli compression method can be used or not in the current application scene; if yes, a Guetzli compression method is selected; if not, selecting a Libjpg compression method; and 5, according to the size of the source image, selecting a compression parameter to carry out image compression to obtain a target compressed picture. The problems of compatibility, compression rate, picture quality and compression performance of a picture compression method under the application scene of machine patrol picture uploading are solved.

Description

technical field [0001] The invention belongs to the picture compression technology, in particular to an image compression method applied to machine patrol picture uploading. Background technique [0002] In the process of image transmission and processing, it will inevitably occupy a large amount of storage space and network bandwidth. The UAV will take a large number of inspection pictures during the inspection process. For these tens of thousands of defects generated by each inspection It is necessary to compress images to save storage space, transmission time, signal frequency band, and network traffic. [0003] Currently in network transmission, the three common picture compression methods are Libjpeg, WebP and Guetzli. [0004] Libjpeg is a free library written entirely in C for manipulating the JPEG image data format. It contains an algorithmic implementation of the JPEG codec, and various utilities for manipulating JPEG data. As the most commonly used image compres...

Claims

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Application Information

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IPC IPC(8): H04N19/42
CPCH04N19/42Y02D10/00
Inventor 毛先胤文屹吴建蓉曾华荣牛唯许逵
Owner GUIZHOU POWER GRID CO LTD
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