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Digital watermark generation method and system of remote sensing image and control method therefor

A digital watermarking and remote sensing image technology, applied in image data processing, image data processing, image analysis, etc., can solve the problems of inability to distinguish the positional relationship of remote sensing images, large amount of information writing, etc., to reduce the amount of information writing, protect The effect of data security and integrity assurance

Active Publication Date: 2021-10-01
宁夏回族自治区自然资源信息中心
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Problems solved by technology

[0005] This application discloses a digital watermark generation method, system and control method for remote sensing images, which can solve the problems of large amount of information writing and inability to distinguish the positions between remote sensing images when digital watermarks are applied in large batches of remote sensing images with location information. relationship problems

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  • Digital watermark generation method and system of remote sensing image and control method therefor
  • Digital watermark generation method and system of remote sensing image and control method therefor

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Embodiment Construction

[0059] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0060] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application c...

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Abstract

The invention discloses a digital watermark generation method and system for remote sensing images and a control method therefor. The disclosed generation method comprises the steps of obtaining position relation information between at least two adjacent remote sensing images; setting a digital watermark type; setting digital watermark information; generating a first roulette digital watermark of a left-right digital watermark type on the two remote sensing images in the left-right position relation, and / or, generating a second roulette digital watermark of an up-down digital watermark type on the two remote sensing images in the up-down position relation, and / or, generating a third roulette digital watermark of a four-corner digital watermark type on the four remote sensing images of the four-corner position relationship, wherein the first roulette digital watermark, the second roulette digital watermark and the third roulette digital watermark all comprise digital watermark information. According to the scheme, the problems that the information writing amount is large and the position relation between the remote sensing images cannot be distinguished when digital watermarks are applied to a large batch of remote sensing images with position information can be solved.

Description

technical field [0001] The present application relates to the technical field of digital watermarking, in particular to a digital watermark generation method, system and control method for remote sensing images. Background technique [0002] Digital watermarking (Digital Watermarking) technology is to embed some identification information directly into digital carriers (including multimedia, documents, software, etc.), but it does not affect the use value of the original carrier. Through the information embedded in the carrier, the purpose of confirming content creators, buyers, transmitting information or judging whether the carrier has been tampered with can be achieved. Image watermarking is the most widely used application of digital watermarking, professional image processing software provides image watermarking function. In recent years, with the widespread application of satellite images and maps, the application of digital watermarking technology on remote sensing i...

Claims

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Application Information

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IPC IPC(8): G06T1/00G06T7/66G06F16/29
CPCG06T1/0085G06T7/66G06F16/29
Inventor 穆增光刘慧慧高静伟朱玉婷
Owner 宁夏回族自治区自然资源信息中心
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