| 7043645 |
Reproducing apparatus, recording apparatus and display apparatus |
| May-9-2006 |
A reproducing apparatus for reproducing data from a recording medium and supplying the data to an external apparatus for recording of the data. The reproducing apparatus has a plurality of authenticators... |
| 7036016 |
Method and apparatus for securing a list of passwords and personal identification numbers |
| Apr-25-2006 |
A method for securing passwords, personal identification numbers and identifying patterns utilizes a MasterCode camouflaged within a grid which contains all the characters, symbols or pictograms of which... |
| 7035409 |
Multiple transform utilization and applications for secure digital watermarking |
| Apr-25-2006 |
Multiple transform utilization and applications for secure digital watermarking. In one embodiment of the present invention, digital blocks in digital information to be protected are transformed into the... |
| 7024558 |
Apparatus and method for authenticating digital signatures and computer-readable recording medium thereof |
| Apr-4-2006 |
In an apparatus for authenticating a digital signature, a signature generating part encrypts a digital document by using a private key defined by a signer and digest information for checking whether the... |
| 7024109 |
Information processing apparatus |
| Apr-4-2006 |
Sound information related to an image is inputted together with the image taken by a camera, and is printing outputted as a two-dimensional bar code data with the image by a printer provided in the camera... |
| 7020777 |
Derivation and quantization of robust non-local characteristics for blind watermarking |
| Mar-28-2006 |
An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. |
| 7017184 |
Image recording apparatus and image processing method therefor |
| Mar-21-2006 |
An image indicating a copyright and its related information are set through a setting input means and those settings are stored in a related information storing means in advance. Registration image data... |
| 7017045 |
Multimedia watermarking system and method |
| Mar-21-2006 |
A system and method for verifying and authenticating multimedia objects. Provided is a system for splitting a watermark into at least a first and second part, inserting the first part of the watermark... |
| 7010123 |
Invisible graphics context identifying system and fabrication method thereof |
| Mar-7-2006 |
The discrimination system of the cryptic graph-text document and manufacturing method thereof is to digitize and decompose the cryptic document and fix them onto the surfaces of the digital reader and... |
| 7007165 |
Watermark system |
| Feb-28-2006 |
A method for examining an electronic representation of an item for a watermark, the method including examining at least a first electronic representation of an item for a watermark in accordance with a... |
| 7006294 |
Micro-optics for article identification |
| Feb-28-2006 |
The present invention provides methods and compositions for authentication of articles and counterfeit deterrence using non-holographic micro-optics and microstructures having a surface relief greater... |
| 6993153 |
Self-orienting watermarks |
| Jan-31-2006 |
A watermarking method converts a watermark message into a Frequency Shift Keying (FSK) signal and embeds the FSK signal in a host signal. The spectral properties of the FSK watermark signal facilitate... |
| 6983048 |
Multi-section decoding lens |
| Jan-3-2006 |
The present invention is a multi-section lens for decoding at least two encodings, as a function of the parameters of a lens section, of at least one latent image, as implemented by a software program... |
| 6980668 |
Information processing apparatus enabling electronic watermarking, and communication network connectable to such information processing apparatus |
| Dec-27-2005 |
In order to protect the copyright of data in accordance with the intent of a copyright holder, an arbitrary timing can be set for the application of an electronic watermark to data. For example, a data... |
| 6980654 |
System and method for authenticating an article |
| Dec-27-2005 |
A method of applying an authentication image to an article is presented. The method comprises obtaining a digitized version of the authentication image, encoding the digitized version of the authentication... |
| 6980336 |
Secured document, system for manufacturing same and system for reading this document |
| Dec-27-2005 |
A document includes at least one drawing or data produced, for example, by printing. In addition, this document includes a hologram representing part of the document. The hologram of this document is recorded... |
| 6976166 |
Method and apparatus for partial encryption of content |
| Dec-13-2005 |
The present invention is directed to methods and apparatus that partially encrypt an information data file. An exemplary method includes dividing the information file into a first file and a second file,... |
| 6968057 |
Emulsion products and imagery employing steganography |
| Nov-22-2005 |
Images are steganographically marked with codes that can be used, e.g., by reference to a remote registry, to identify the image proprietors. Some embodiments pre-mark blank emulsion film or paper products... |
| 6961428 |
Method of videotext information encryption and security transmission in a network |
| Nov-1-2005 |
A technique of enciphering the graph-text document and its security transfer on a network. The sender of the graph-text document enciphers at least one graph-text document with digitizing algorithm provided... |
| 6959100 |
Secure document design with machine readable, variable message encoded in a visible registration pattern |
| Oct-25-2005 |
A secure document design has a visible graphical structure that forms part of the aesthetic features on the document and carries encoded message information. A method for generating this design starts... |
| 6959101 |
Method of judging digital watermark information |
| Oct-25-2005 |
A method and apparatus for embedding information into a target element in which information is to be embedded and a storage medium. The method and apparatus include obtaining plural sets of data values... |
| 6959088 |
Data processing apparatus and method for encryption or decryption of communication data |
| Oct-25-2005 |
In order to shorten the time required for encryption and decryption of communication data, the contents of input data are analyzed by a discrimination method such as pattern matching, and in accordance... |
| 6954532 |
Selective encryption of mixed raster content layers |
| Oct-11-2005 |
What is disclosed is an image path for work flow or printing in which a scanner or image editor produces a raster image. The raster image is segmented into a background plus a plurality of objects represented... |
| 6941284 |
Method for dynamically using cryptographic keys in a postage meter |
| Sep-6-2005 |
A postage meter includes a vault that accounts for postage dispensed by the postage meter; and a printhead module having a printhead for printing the postage dispensed; a smart card chip having a ROM having... |
| 6881962 |
Paper fluorescence detection sensor |
| Apr-19-2005 |
In the accurate inspection of a paper sheet (for example, the type and authenticity of banknotes) light incident on the paper sheet that is being transported is controlled to be constant. To achieve such... |
| 6865677 |
Contents rendering control method, contents reproducing equipment, and contents distribution equipment |
| Mar-8-2005 |
To enable the control of rendering contents in part by using digital watermark technique: a contents serving center for embedding watermark in contents 4 embeds control information as digital watermarks... |
| 6859545 |
Information hiding method with reduced fuzziness |
| Feb-22-2005 |
An information hiding method with reduced fuzziness, which employs interleaving encoding, convolutional encoding and contrasts among neighboring pixels. Once the information is hidden, it can still be... |
| 6859534 |
Digital anti-counterfeiting software method and apparatus |
| Feb-22-2005 |
This invention relates generally to a method and apparatus, as implemented by a software program on a computer system, for digitally producing counterfeit-deterring scrambled or coded indicia images, typically... |
| 6826289 |
System for changing attribute of image by electronic watermark |
| Nov-30-2004 |
In the attribute detection apparatus in the system of the present invention, an inputted image is transformed by DCT means to extract an estimation value of the embedded electronic watermark data in frequency... |
| 6823455 |
Method for robust watermarking of content |
| Nov-23-2004 |
One inventive aspect pertains to a watermarking mechanism that allows a watermark to be determined from only a part of the video sequence without human intervention and without reference to the original... |
| 6823076 |
Method for embedding digital information in a three dimensional image from a scannerless range imaging system |
| Nov-23-2004 |
A scannerless range imaging system employs a technique for embedding digital data into its image output in a manner that allows exact recovery of its associated images. The range imaging system captures... |
| 6819775 |
Authentication of documents and valuable articles by using moire intensity profiles |
| Nov-16-2004 |
This invention discloses new methods, security devices and apparatuses for authenticating documents and valuable articles which may be applied to any support, including transparent synthetic materials... |
| 6807634 |
Watermarks for customer identification |
| Oct-19-2004 |
A digital watermarking method encodes different pairs of watermarks into each of a plurality of images offered for use by a vendor. The watermarks in each pair are derived from two separate collections... |
| 6804356 |
Hierarchical authentication system for images and video |
| Oct-12-2004 |
A method and system for creating authentication signatures for digital images and video frames is provided. The method and system involves partitioning the image into multiple blocks, comparing characteristics... |
| 6795565 |
Method to detect watermark resistant to resizing and translation |
| Sep-21-2004 |
A method of detecting a block-based watermark is provided. The method detects the location of the watermark within a frame of content data regardless of whether the watermark has been shifted or resized. |
| 6785814 |
Information embedding method and apparatus |
| Aug-31-2004 |
Supplementary information related to original data is embedded in the original data without being lost or altered and without degrading the quality of the original data. A photographing condition or the... |
| 6775381 |
Method and apparatus for editing and reading edited invisible encodements on media |
| Aug-10-2004 |
A print media has a visible image and a plurality of invisible encodements comprising data printed over it in a hierarchy order, wherein the encodement of the highest order represents a replacement or... |
| 6757407 |
Transform domain image watermarking method and system |
| Jun-29-2004 |
A method and system for watermarking and recovering a watermarked digitized image for subsequent authentication. The digitized image comprises spatial domain data signals reproduced from an original image.... |
| 6751320 |
Method and system for preventing reproduction of professional photographs |
| Jun-15-2004 |
A reproduction apparatus (e.g., photo kiosk) includes a lens for imaging a customer-provided original onto an opto-electronic detector for producing image data, and a reproduction system for producing... |
| 6748083 |
Method and apparatus for free-space quantum key distribution in daylight |
| Jun-8-2004 |
A quantum cryptography apparatus securely generates a key to be used for secure transmission between a sender and a receiver connected by an atmospheric transmission link. A first laser outputs a timing... |
| 6744905 |
Image processing apparatus and method, and storage medium storing program codes realizing such method |
| Jun-1-2004 |
An image processing apparatus has an input unit for inputting a plurality set of drawing data representing one frame image a generating unit for generating first intermediate language data representing... |
| 6728376 |
System for encrypting documents with stencils |
| Apr-27-2004 |
A symmetric key encryption system includes a printer or copier for performing decryption in two passes. During a first pass an encrypted image is decrypted to define a first partially decrypted image and... |
| 6724914 |
Progressive watermark decoding on a distributed computing platform |
| Apr-20-2004 |
The disclosure describes a method of progressively decoding a digital watermark on a distributed computing platform. A client device equipped with a digital camera, such as a PDA or cell phone, captures... |
| 6721423 |
Lost cost countermeasures against compromising electromagnetic computer emanations |
| Apr-13-2004 |
A set of methods is specified whereby software reduces compromising electromagnetic emanations of computers that could otherwise allow eavesdroppers to reconstruct sensitive processed data using periodic... |
| 6718045 |
Method and device for inserting a watermarking signal in an image |
| Apr-6-2004 |
A method of inserting a watermarking signal (w) in a set (X) of coefficients (X.sub.i) representing a digital image (I), in which at least one subset of coefficients is modified by said watermarking signal... |
| 6711276 |
Control method and apparatus for embedding information in data |
| Mar-23-2004 |
A watermark information embedding method, and apparatus, capable of suppressing the quality degradation of contents and increasing the survivability of embedded information. When embedding watermark information... |
| 6700994 |
Embedding and detecting a watermark in images |
| Mar-2-2004 |
A digital image signal is watermarked by locally changing geometric features of the image. The watermark consists of a pseudo-random, dense subset of image pixels, e.g., a pattern of lines (20). A number... |
| 6690831 |
Encoding device and encoding method, decoding device and decoding method, information processing device and information processing method as well as a medium |
| Feb-10-2004 |
The present invention relates to an encoding device and encoding method, decoding device and decoding method, information processing device and information processing method as well a medium, encoding... |
| 6683957 |
Digital image coding/decoding apparatus and method for correcting distorted data in transmitted signals that use watermarking |
| Jan-27-2004 |
Digital image coding/decoding apparatus using watermarking, and methods thereof are provided. The digital image coding apparatus includes a discrete wavelet transform portion for performing discrete wavelet... |
| 6678390 |
Method and computer program for embedding and extracting an embedded message from a digital image |
| Jan-13-2004 |
A method and computer program for extracting an embedded message from a digital image, the embedded message being formed by convolution with a carrier, employs a message template indicating the relative... |
