229097 ⎘
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 Fragile embedding or watermarking
Semi-transparent embedded watermarks
#2MARKING TECHNIQUE IDENTIFICATION
#3Method and apparatus for watermark embedding and extracting
#4Method and system for automatically verifying the authenticity of documents
#5Semi-transparent embedded watermarks
#6Method and apparatus for watermark embedding and extracting
#7Image coding device, image coding method, and image falsification identification program
#8Semi-transparent embedded watermarks
#9Program verification and decision system
#10Authentication and validation of smartphone imagery
#11Security mark with anti-copyable effect
#12Security compliance checking of documents
#13Computer-based system and method for adding variable security data in printing operations
#14Variable data image watermarking using infrared sequence structures in black separation
#15Method and apparatus for processing digital service signals
#16Spectral edge marking for steganography or watermarking
#17APPARATUS AND METHOD FOR PROTECTING COPYRIGHT OF DIGITAL CONTENT, AND APPARATUS AND METHOD FOR DETERMINING AUTHENTICITY OF DIGITAL CONTENT
#18System reactions to the detection of embedded watermarks in a digital host content
#19Adaptive prediction filtering for encoding/decoding digital signals in media content
#20Content processing methods using reversible watermarking
#21System and method for paper independent copy detection pattern
#22Device using low visibility encoded image to manage copy history
#23System reactions to the detection of embedded watermarks in a digital host content
#24Adaptive prediction filtering for digital watermarking
#25Content processing methods using reversible watermarking
#26Digital Authentication with Digital and Analog Documents
#27System and method to automatically establish preferred area for image-wise watermark
#28Apparatus to process images and video
#29Methods to evaluate images, video and documents
#30System reactions to the detection of embedded watermarks in a digital host content
#31Multiple watermarks in content
#32Unauthorized-alteration detecting method, unauthorized-alteration detecting program, and recording medium having recorded the program
#33Systems and methods for digital content security
#34Steganographic data embedding in objects for authenticating and associating value with the objects
#35Fragile watermark for detecting printed image copies
#36Documents and methods involving multiple watermarks
#37Incorporation of source-identifying information in scanned documents