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7555649 |
Method for generating digital watermarks for electronic documents
Verification of true authorship on the basis of digital watermarks is described. The digital watermark can be provided with the proof of identity id and/or with the hash value h(m) of the document...
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7555138 |
Method and apparatus for digital watermarking for the electronic literary macramé
An embodiment of digital watermarks which contains literary information of interest to a reader of an electronic literary macramé (ELM) or a knowledge transfer tool (KTT). The nature of the...
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7552336 |
Watermarking with covert channel and permutations
Described herein is a watermarking technology for protecting digital signals, such as a music clip. In another described implementation, a watermarking system employs a permutation technique to...
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7551751 |
Watermarking images with wavepackets encoded by intensity and/or phase variations
A phase space encoded watermark is applied to an image to guard against counterfeiting and/or unauthorized copying. The watermark is formed of wavepackets. An authentication message is encoded in...
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7551750 |
Holographic digital watermark
A digital watermark which is incorporated, perceptibly or imperceptibly, into a diffractive device such as a hologram. When applied to protect and/or authenticate a document of value or a product,...
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7551752 |
Systems and methods for authenticating objects using multiple-level image encoding and decoding
A method of producing a digital multiple-level encoded image is presented. The method comprises obtaining a digital authentication image, obtaining a first encoding parameter set comprising one or...
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7551753 |
Image processing apparatus and method therefor
When a document image printed by freely editing and processing image data is to be copied, the user may want to copy the edited/processed image or copy an original image before editing and...
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7549052 |
Generating and matching hashes of multimedia content
Hashes are short summaries or signatures of data files which can be used to identify the file. Hashing multimedia content (audio, video, images) is difficult because the hash of original content...
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7548633 |
Data processing apparatus and method, data processing program, and storage medium
The present invention has an object to provide a data processing apparatus which can perform digital watermark embedding/extraction in accordance with manipulation, editing, and compression. To...
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7546466 |
Decoding of watermarked information signals
Method and apparatus are described for compensating for time offset in a received signal, so as to correctly align the frame sequence of a received signal to a sequence of transmitted symbols. Each...
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7545950 |
Image processing apparatus and method
The present invention relates to an image processing apparatus and device intended to temporally modulate a sequence of source images with a modulation image comprising at least one anti-copy...
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7545951 |
Data transmission by watermark or derived identifier proxy
The present invention relates generally to methods usable with handheld devices (e.g., music players or cell phones) and cell phones. One claim recites a cell phone including: an input or interface...
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7545949 |
Method for setting parameters of a vision detector using production line information
Disclosed are systems and methods for setting various operating parameters of a vision detector from production line information that can be supplied by a manufacturing technician who is not...
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7545952 |
Image or video display devices
The present invention relates generally to image or video display devices. For example, there are many devices (e.g., cell phones, video games, calculators, positioning systems and personal...
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7545541 |
Systems and methods for embedding metadata in a color measurement target
Systems and methods for utilizing metadata embedded in a color measurement target to uniquely identify the target through color measurement. A color measurement target is used for color...
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7542584 |
Image processing method, image processing apparatus, program and recording medium that can reduce image quality degradation
An image processing method includes the steps of: dividing digital content into run-lengths each including one or more consecutive pixels having an identical color; and embedding digital watermark...
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7542586 |
Touchless identification system for monitoring hand washing or application of a disinfectant
A system and method for monitoring hand washing or application of a disinfectant wherein a pattern recognition algorithm executed in a computer compares one or more digitized images of a user going...
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7542585 |
Fire detection and smoke detection method and system based on image processing
Fire detection and smoke detection use an image capturing device to obtain images from a predetermined area and adopts an RGB (red, green, blue) color model based chromatic and disorder measurement...
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7542587 |
Content processing methods using reversible watermarking
The ability to remove a watermark from an encoded image opens the possibility of various novel applications. Several such applications are detailed. One employs a reversible watermark in...
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7539325 |
Documents and methods involving multiple watermarks
Two or more digital watermarks are embedded in a document. In one implementation the digital watermarks include characteristics that are chosen so that the watermarks will be affected in different...
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7536053 |
Method and apparatus for the correction of nonlinear field of view distortion of a digital imaging system
Nonlinear distortions of imaging optics within a computer vision system are quantified as corrective values within a viewing window defined by a pixel array. A test artifact is displaced within an...
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7536026 |
Image processing apparatus and method
It is required to protect the copyrights and the like of partial images which form respective parts of an image obtained by reading an image, exchanged using a print as a medium, by an image...
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7536025 |
Process, system, or method for the determination of the percentage of area of a parcel of land available for development or preservation and the production of a report and map therefor on a fixed tangible medium
A system for the determination of the percentage of area of a parcel of land available for development or preservation which comprises at least one privately gathered data base having at least one...
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7536027 |
Digital content reproduction, data acquisition, metadata management, and digital watermark embedding
The present invention provides methods, apparatus and systems to embed pointer information for metadata in content using a method that will not delete the information, so that metadata correlated...
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7532741 |
Data hiding in media
The present invention provides steganographic embedding and detecting techniques, along with related apparatus. One claim recites a signal detector including: an input and an analyzer. The input...
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7532739 |
Image processing apparatus, control method for the image processing apparatus, and storage medium storing computer program for executing the control method of the image processing apparatus
An image processing apparatus includes a production unit that can produce data by putting original image data into a first region and copy-forgery-inhibited-pattern image data into a second region,...
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7532768 |
Method of estimating an affine relation between images
A method ( 400 ) is disclosed for estimating an affine relation between a first image and a second image. The first and second images each have at least 4 non-parallel lines therein. The method (...
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7532740 |
Method and apparatus for embedding auxiliary information within original data
This patent application is generally related to watermarking and steganography. In one implementation, a method of embedding auxiliary information within original data is provided. The original...
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7532738 |
Print medium quality adjustment system, inspection watermark medium output device for outputting watermark medium to undergo inspection, watermark quality inspection device, adjusted watermark medium output device, print medium quality adjustment method and inspection watermark medium to undergo inspection
A print medium quality adjustment system includes an inspection watermark medium output device 11 having an inspection watermark signal generation unit 101 that generates at least one...
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7529392 |
Image processing system and medical examination apparatus for correlating features in medical images
An image processing system, for correlating shapes in multi-dimensional images including image data processor for estimating a similarity measure including estimating two image signals representing...
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7529647 |
Computing distortion of media signals using embedded data with repetitive structure and log-polar mapping
A digital watermark detection method uses a matched filtering technique on a log polar re-mapping of a watermarked signal to detect peaks associated with a repetitive structure of a watermark.
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7529385 |
Marking articles using a covert digitally watermarked image
A marking system that includes forming at least one marking in or on an article, wherein the image formed is not visible to the unaided human observer, and further contains at least one digital...
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7529383 |
Image input apparatus
An image input apparatus which reconfigures a single reconfigured image from a plurality of low-resolution, object reduced images formed in a specified region on the light detecting element by the...
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7529384 |
Robust hidden data extraction method for scaling attacks
A product and process for extracting hidden data from a stego-image that has been subjected to scaling attacks are disclosed. The hidden data extraction method of the present invention retains the...
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7529941 |
System and method of retrieving a watermark within a signal
A system and method of retrieving a watermark in a watermarked signal are disclosed. The watermarked signal comprises odd and even overlapped blocks where the watermark is contained in the even...
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7526099 |
Motion picture data processing device, method, and program
To provide lossless embedding of a visible watermark in compressed motion picture data. The present invention includes a quantization/dequantization operation part 10 for dequantizing motion...
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7525034 |
Method and apparatus for image interpretation into sound
A method for interpreting an image into sound is provided and includes scanning an image to provide a plurality of scanned elements which are assigned a value and an associated sound element. The...
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7522744 |
System and method for adaptive bolus chasing computed tomography (CT) angiography
A method of utilizing bolus propagation and control for contrast enhancement comprises measuring with an imaging device a position of a bolus moving along a path in a biological structure. The...
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7522770 |
Methods and apparatus for automated image correction for digital image acquisition
Methods and apparatus are provided for automatically correcting colors of a digital image. The methods and apparatus create a first digital image of a target test sheet under a predetermined...
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7523018 |
Hair coloring system
A system for determining hair color treatment, including a processor. The processor is configured for: receiving as input an initial spectrum of a sample of hair, the initial spectrum having a...
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7522765 |
System and method for localizing imaging devices
A system and method for localizing imaging devices in a network using images taken by the imaging devices. The relative position and orientation of a network of camera-equipped communications...
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7519819 |
Layered security in digital watermarking
A media object authentication system uses layers of security features based on digital watermarks embedded in media objects. The system generates a first digital watermark with a message payload...
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7515711 |
Methods and apparatuses for encrypting video and for decrypting video
An encryption technique and a decryption technique that are applied to video data that is encrypted on a predetermined domain of compressed video data are disclosed. For example, JPEG2000...
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7515730 |
Progressive image quality control using watermarking
The ability to remove a watermark from an encoded image by reversible watermarking opens the possibility of various novel applications. Several such applications are detailed. One permits different...
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7515733 |
Methods and arrangements employing digital content items
Methods and arrangements for identifying content, and employing such identification, are detailed. One method embeds a plural-bit digital watermark into content, but first checks to see if the...
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7515731 |
Digital watermark embedding apparatus and digital watermark detecting apparatus
A digital watermark embedding apparatus includes a detector detecting a signal characteristic of at least one of an input image signal and the output image signal, and a controller controlling an...
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7515732 |
Method of embedding color information in printed documents using watermarking
A method for enhancing color fidelity in multi-reproduction, includes scanning an image to be reproduced, wherein the image contains an invisible digital watermark including color information;...
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7515734 |
Device, system and method for determining compliance with a positioning instruction by a figure in an image
A device, system and method for calculating location coordinates for a figure in an image that is illuminated by visible light, comparing such location coordinates to location coordinates of a...
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7512248 |
Method of incorporating a secondary image into a primary image
A method of incorporating a second image into a primary image. A vectorial grid is created that is adapted for mapping on to the primary image. A deformation is applied to the grid using data from...
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7508995 |
Method and apparatus for monitoring electronic transmission of an image
In a monitoring method and image processing apparatus for monitoring electronic transmission of an image, an image detector supplies an input image to a processing circuit that caches it in an...
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