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A digital watermark generation method, system and control method for remote sensing images

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

Active Publication Date: 2022-05-17
宁夏回族自治区自然资源信息中心(自治区自然资源档案馆)
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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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  • A digital watermark generation method, system and control method for remote sensing images
  • A digital watermark generation method, system and control method for remote sensing images

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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, system and control method for remote sensing images. The disclosed generation method includes acquiring positional relationship information between at least two adjacent remote sensing images; setting the type of digital watermark; setting digital watermark information ; Generate a first seam-riding digital watermark of the left-right digital watermark type on the two remote sensing images of the left-right positional relationship, and / or, generate a second seam-riding digital watermark of the upper and lower digital watermark type on the two remote sensing images of the upper and lower positional relationship, and Or, generate a third seam-riding digital watermark of the four-corner digital watermark type on the four remote sensing images of the four-corner position relationship, and the first seam-riding digital watermark, the second seam-riding digital watermark, and the third seam-riding digital watermark all include digital watermark information. The above-mentioned solution can solve the problem that when the digital watermark is applied to a large number of remote sensing images with position information, there is a large amount of information written and it is impossible to distinguish the positional relationship between the remote sensing images.

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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Patent Type & Authority Patents(China)
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(自治区自然资源档案馆)
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