Techniques for Detecting, Analyzing, and Using Visible Authentication Patterns METHOD AND DEVICE FOR MAKING DOCUMENTS SECURE Image forming apparatus and method for controlling image forming apparatusĬopy-forgery-inhibited pattern or stamp image combined with image data based on user actions Techniques for detecting, analyzing, and using visible authentication patterns Image forming apparatus and image processing apparatus
Method and system for transmitting data from a first data processing device to a second data processing deviceĬopy-forgery-inhibited pattern image generation method and image processing apparatus Pantograph methods, apparatus and systems based on UCR/GCR Single-color screen patterns for copy protectionĪuthenticable anti-copy document and method to produce an authenticable anti-copy document with a combined void pantograph and faux watermark security features Void pantographs and methods for generating the same using at least one test void pantograph
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