A gif image editing method and device

An image editing and editing technology, applied in the field of data processing, can solve problems such as image quality deterioration, and achieve the effect of maintaining image quality and avoiding pixel loss.

Active Publication Date: 2018-05-29
ALIBABA (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a GIF image editing method and device to solve the technical problem of poor image quality caused by GIF image editing in the prior art

Method used

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  • A gif image editing method and device
  • A gif image editing method and device

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] refer to figure 1 , which shows a flow chart of a GIF image editing method according to an embodiment of the present invention, which may include the following steps:

[0038] S101. Using a scaling factor, performing scaling processing on the original image file to obtain a scaled image file.

[0039] It should be noted that the editing process involved in the embodiment of the present invention is mainly reflected in the zooming process of the image. ...

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Abstract

A GIF image editing method provided by the present invention comprises the steps of utilizing a zoom factor to carry out the zoom processing on an original image file to obtain a zoomed image file; determining an interception range from the zoomed image file, and according to the interception range and the zoom factor, determining the relative position of the interception range in the original image file; according to the size of the original image file, saving the relative position of the original image file in an edited image file. By the above scheme, the pixel points carrying the image information can be prevented from losing to a certain extent and can be retained as soon as possible, and the image quality after edit may be constant.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a GIF image editing method and device. Background technique [0002] Graphics Interchange Format (English: Graphics Interchange Format, GIF for short) is an image file format. Generally, a GIF file can include a file header (English: File Header), a GIF data stream (English: GIF DataStream) and a file terminator (English: Trailer), wherein the file header can include a GIF file signature (English: Signature) and Version number (English: Version); GIF data stream can include control block (English: Control Block) and data block (English: Data Blocks), the control block is used to control the playback behavior of the data block, and the data block can store multiple image files , if the multiple image files are read and played one by one, an animation effect can be formed; the file terminator is used to indicate the end of the file. [0003] At present, the video GIF recording proc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40
CPCG06T3/40
Inventor 徐利雨刘云剑顾思斌潘柏宇王冀
Owner ALIBABA (CHINA) CO LTD
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