229083 ⎘
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device; Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp; Methods relating to embedding, encoding, decoding, detection or retrieval operations; Spatial or amplitude domain methods in halftone data
SECURITY PRINTING USING MIXED SPOT SIZES IN STOCHASTIC OR FREQUENCY MODULATED HALFTONE IMAGES
#2HALFTONE SCREENS ENCODING SIGNATURES
#3HALFTONE SCREEN TILES
#4Security printing using mixed spot sizes in stochastic or frequency modulated halftone images
#5Serialized digital watermarking for variable data printing
#6Halftone screens encoding signatures
#7Methods and systems for automatically identifying IR security marks based on known halftone frequency and color information
#8Serialized digital watermarking for variable data printing
#9Method of printing authentication indicators with amplitude modulated halftone printing
#10Method for reading a code stored in a halftone image and comparison with a retrievable value
#11Method for producing security elements in an image which are not visible to the human eye and cannot be copied, and printed image
#12Image processing apparatus
#13Encoding dot patterns into printed images based on source pixel color
#14Serialized digital watermarking for variable data printing
#15Encoding information in printed images by decreasing grayscale pixel values exceeding threshold
#16Image processing apparatus, image processing method, and storage medium for edge enhancement based on plural conditions
#17Serialized digital watermarking for variable data printing
#18Embedding a pattern in output content
#19Digital signature authentication
#20Multiple payload pantographs
#21Method for protecting the authenticity of an object, item, document, packaging and/or a label from imitation, forgery and theft
#22Forensic verification utilizing forensic markings inside halftones
#23Data-bearing medium
#24Encoding method for generating a data-bearing halftone image, and decoding method for decoding the data-bearing image
#25Data-bearing media
#26Watermark and manufacturing method therefor
#27Forensic verification utilizing forensic markings inside halftones
#28Forensic verification utilizing halftone boundaries
#29Systems and methods for tracing the source of printed pages
#30Visible and invisible watermarking of printed images via 2generation stochastic seed frequency modulation
#31Method for generating a security bi-level image for a banknote
#32Method of robust alignment and payload recovery for data-bearing images
#33Parallel test payload
#34Printing medium, information processing method, information processing device
#35METHOD AND APPARATUS FOR HIDING DATA FOR HALFTONE IMAGES
#36Watermark encoding via pixel spacing modulation
#37Payload recovery systems and methods
#38Anti-counterfeit printed matter, method of manufacturing the same, and recording medium storing halftone dot data creation software
#39METHOD OF DECODING ON AN ELECTRONIC DEVICE
#40Image processing method combining compression and watermark techniques
#41Image processor
#42Method and system for embedding covert data in text document using character rotation
#43Method and apparatus for hiding data for halftone images
#44Generating image embedded with UV fluorescent watermark by combining binary images generated using different halftone strategies
#45Methods and systems to embed glossmark digital watermarks into continuous-tone images
#46Encoding message data in a cover contone image via halftone dot orientation
#47Hidden image identification system, products, identification device and producing method
#48Encoding device, decoding device, encoding method, decoding method, and storage medium storing programs thereof
#49System and method for the generation of correlation-based digital watermarks using uniform-rosette color halftoning
#50Fluorescence-based correlation mark for enhanced security in printed documents
#51Apparatus and method for image process
#52System and method for the generation of multi-layer correlation-based digital watermarks
#53System and method for the generation of correlation-based digital watermarks
#54General data hiding framework using parity for minimal switching
#55Image processing apparatus, image processing method, image forming apparatus, image forming method, and recorded material
#56DOCUMENT CONTAINING SECURITY IMAGES
#57METHOD AND SYSTEM FOR EMBEDDING AN IMAGE INTO TWO OTHER IMAGES
#58System and method for generating a signed hardcopy document and authentication thereof
#59METHOD AND APPARATUS FOR WRITING BINARY DATA WITH LOW POWER CONSUMPTION
#60Embedding watermark into halftone image with low distortion using parity values for overlapping groups of candidate sites
#61Method and system for encoding color images to black-and-white bitmaps and decoding color images
#62Color-consistent three level differential gloss images
#63Method for coherent watermark insertion and detection in color halftone images
#64Systems and Methods for Image Watermarking
#65Single-color screen patterns for copy protection
#66System and method for authenticating objects using multiple-level encoding and decoding
#67Digital watermarking process
#68Tools to embed tampering indicator into digital visual works using two screens with halftoning elements of different size dots or shapes
#69Apparatus and method for embedding electronic watermark
#70Tally image generating method and device, tally image generating program, and confidential image decoding method
#71Methods and apparatus for hiding data in halftone images
#72Print controlling program and print system for transparent-printing second print data in superposition on first print data
#73Encoding device, decoding device, encoding method, decoding method, and storage medium storing programs thereof
#74Embedding computer information into printed media and process method thereof
#75Halftone watermarking and related applications
#76Method of watermark with hybrid halftone dots
#77Embedding variable watermark information in halftone screens
#78Conjugate cluster screens for embedding digital watermarks into printed halftone documents
#79Character and vector graphics watermark for structured electronic documents security
#80Methods and apparatus for hiding data in halftone images
#81Systems and methods for authenticating objects using multiple-level image encoding and decoding
#82Image processing apparatus and method
#83Document containing security images
#84Method and system for embedding an image into two other images
#85Image processor unit, image processing method, and storage medium
#86Method and apparatus for providing a noise estimation for automatic selection of dither patterns in low frequency watermarks
#87Methods and systems for using halftone screening for security markings and other graphics
#88Methods and systems for automatically identifying IR security marks in a document based on halftone frequency information
#89System and method for rendering gloss effect image patterns on a recording medium
#90Color changing effects with cross-halftone prints on metal
#91Color reproduction, pattern hiding and image alternations with halftone prints on metal