Matches 1 - 31 out of 31
Match Document Document Title
7337321 Digital content protection using invisible and visible watermarks  
A technique for distributing digital contents capable of effectively protecting copyrights and the like on the basis of invisible electronic watermark information and electronic watermark...
7284129 Data processing apparatus and method  
A watermarking system includes an encoding data processor operable to generate at least one marked version of an original item of material by introducing one of a predetermined set of code words...
7257710 Additional-data embedding apparatus and additional-data embedding method  
The present invention provides an additional-watermark embedding apparatus for embedding predetermined additional data into original data. The additional-watermark embedding apparatus includes an...
7254249 Embedding location data in video  
Digital watermarking technology is used to convey location data for images or objects depicted in video. A digital watermark may associate geovector information with the video or object and areas...
7253917 Image processing apparatus and its control method, computer program, and storage medium  
With this invention, upon scanning a print, since additional information recorded together with that print is reproduced while displaying the scanned image, a special effect that cannot normally be...
7249257 Digitally watermarked maps and signs and related navigational tools  
Maps and signs are embedded with plural-bit data in the form of digital watermarks. In one embodiment, the plural-bit data includes location information with respect to a map. A handheld reading...
7231061 Adaptive prediction filtering for digital watermarking  
The disclosure describes methods for adaptive prediction filtering for digital watermarking applications. The predictive filter is designed to predict the digital watermark signal. In one...
7197160 Geographic information systems using digital watermarks  
The present invention relates to systems and methods for managing images and related information. In one implementation, geographic information system (GIS) layer information is registered or...
7185200 Server-side watermark data writing method and apparatus for digital signals  
A digitized signal is published with a blank watermark, i.e., a watermark which contains no specific watermark data, and a server computer system encodes specific watermark data into the watermark...
7184572 Using steganographic encoded information with maps  
A map depicts a plurality of different locations. Steganographic encoding is embebbed in first and second map areas. Steganographic encoding in each area conveys an identifier that is associated...
7113613 Watermark information detection method  
A digital watermark information detection method for detecting information inserted as a digital watermark from contents has a step of converting the contents into a predetermined specified format...
7110566 Modifying material  
Material is represented by transform coefficients represented by digital numbers. A method of perceptibly watermarking the material comprises the steps of: changing representations of the said...
7099492 Method of steganographically embedding geo-location data in media  
Digital watermarking technology is used in conjunction with map data, such as is acquired by satellite and other aerial sensors, and as may be generated from databases based on such aerial data....
7098931 Image management system and methods using digital watermarks  
Digital watermarking technology is used in an image management system. Images are uniquely identified by digital watermarks. The images are stored so as to be indexed according to their unique...
7079689 Image processing apparatus and its method, and program  
An initial similarity candidate calculator calculates a similarity between first and second images, which are expressed by quantized DCT coefficients, on the basis of at least first and second...
7065226 Method for embedding information and extracting the same  
A method of embedding digital watermark information b 1 –b n (2≦n) in image data. The image data is divided into a plurality of areas S each consisting of M×N (1≦M, N) pixels. A plurality...
7061510 Geo-referencing of aerial imagery using embedded image identifiers and cross-referenced data sets  
Digital watermarking technology is used in conjunction with map data, such as is acquired by satellite and other aerial sensors, and as may be generated from databases based on such aerial data....
7058979 Method for inserting a watermark into an image  
A process for watermarking images that includes embedding into the images before their transmission a message by modifying the data characteristic of the images. Further, a co-watermarking is...
7042470 Using embedded steganographic identifiers in segmented areas of geographic images and characteristics corresponding to imagery data derived from aerial platforms  
Digital watermarking technology is used in conjunction with map data, such as is acquired by satellite and other aerial sensors. The watermarks are used to track metadata, provide serialization and...
6993152 Hiding geo-location data through arrangement of objects  
The present invention provides steganographic-embedding techniques. In one implementation a digital watermark signal is mapped to a set of spatial positions. Physical message objects are positioned...
6988202 Pre-filteriing to increase watermark signal-to-noise ratio  
Utilizes pre-processing (pre-filtering) of target data in order to facilitate and enable robust extraction of a watermark signal. With the present invention the watermarked data is pre-filtered...
6954542 Image processing apparatus and method  
Upon embedding additional information in image information, since an image region in which the additional information can be embedded is limited, the information size that can be embedded is often...
6950519 Geographically watermarked imagery and methods  
An image is digitally watermarked to convey position data about the subject of the image, such as latitude, longitude and elevation of a point depicted therein. Additional information, e.g., about...
6915000 System and apparatus for inserting electronic watermark data  
The DCT converter 103 extracts block data 102 of a 8×8 pixel size from the original image 101 and then subjects it to DCT conversion. The quantizer 104 quantizes the DCT coefficient. The...
6664976 Image management system and methods using digital watermarks  
Digital watermarking technology is used in an image management system. Images are identified by digital watermarks. The images are stored so as to be indexed according to their unique identifiers....
6636614 Method for preventing the falsification of documents comprising a photograph, preferably a facial-view photograph  
Disclosed is a method for counterfeit-proof of documents bearing a picture. The picture is transferred into a digital image file or present as a digital image file into which a binary form secret...
6577745 Watermark detection  
An input image is distorted so that it has less correlation to a watermark and the distorted image is subtracted from the input image to provide a preprocessed image. If the correlation between the...
6529506 Data processing apparatus and data recording media  
A data processing apparatus is provided with a data obtaining unit which receives a network signal sn on a network N and obtains distributed audio data Dau in which copyright information or the...
6477431 Watermark detection  
A method and arrangement for detecting a watermark in an information signal. The method may include the steps of computing the correlation (d k ) of the watermark (W i ) and the information signal...
5497984 Sheet post-processing apparatus  
A sheet post-processing apparatus is provided with a discharge tray which can be selectively moved between a processing mode position corresponding to a processing mode and a non-processing mode...
5129640 Sheet finisher  
The sheet finisher includes a predetermined folding mode for receiving a sheet from a copy machine and which features a plurality of transfer guides through which the sheets received from the copy...
Matches 1 - 31 out of 31