Image management system and methods using digital watermarks
a watermark and image technology, applied in the field of image management and processing, can solve the problems of unauthorized individuals not being able to replicate the watermarking process, the security of the watermarking process, and the growing problem of large data sets resulting from the management of images
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[0026] For expository convenience, the following discussion focuses on satellite and other aerial “imagery” to illustrate the principles of the invention. The principles of the invention, however, are equally applicable to other forms of imagery, including non-aerial imagery. Accordingly, the term “image” should be used to encompass other data sets, and the term “pixel” should be construed to encompass component data from such other data sets. The term “image” should also be construed to include both digital and analog data sets.
[0027] Watermarking Images
[0028] With reference to FIG. 1, an image (or image data) 10 is captured from an aerial platform 11, such as an aircraft, satellite, balloon, unmanned aircraft, etc. The image 10 is communicated to a receiving or ground station 12. (In some instances, the image signal may be relayed through various aerial and / or other ground stations before reaching ground station 12.). Ground station 12 preferably includes a watermark embedder 12...
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