McGowan III, “Digital Video Quality Metric Based on Human Vision,” Journal of Electronic Imaging, vol. Method and apparatus for determining visually perceptible differences between imagesĪ. Steganography methods employing embedded calibration data Method and system for digital image signatures Methods for surveying dissemination of proprietary empirical data Method and apparatus for hiding one image or pattern within another System for distributing controlling color reproduction at multiple sitesĮmbedding information in a digital image digitized from a developed photographic filmĬomputer system linked by using information in data objects Watermark detection using a fourier mellin transformĭigital watermarks and methods for security documents Methods and systems for watermark processing of line art images Method, apparatus and programs for generating and utilizing content signatures Perceptual modeling of media signals based on local contrast and directional edgesįull-color to a spot-color image converter Image with depth of field using z-buffer image data and alpha blending
Low visibility watermark using time decay fluorescence Method and system of watermarking digital data using scaled bin encoding and maximum likelihood decoding Method and apparatus for providing an asymmetric watermark carrierĭigital watermarking in a perceptually uniform domainĭetection of out-of-phase low visibility watermarks
Hiding information out-of-phase in color channels Watermarking method with print-scan compensation Hiding information to reduce or offset perceptible artifactsĮncoding invisible electronic information in a printed documentĮmbedding digital watermarks in spot colorsĬell phones with optical capabilities, and related applicationsĮnhancing embedding of out-of-phase signals
System and method for digital watermarking in a calibrated printing path Human perceptual model applied to rendering of watermarked signals Out of Phase Digital Watermarking in Two Chrominance DirectionsĪRTICLE MANAGEMENT SYSTEM AND INFORMATION PROCESSING APPARATUSĭetecting Media Areas Likely of Hosting Watermarks Out of phase digital watermarking in two chrominance directionsĭIGITAL WATERMARKING IN DATA REPRESENTING COLOR CHANNELS Quality evaluation of sequences of images SPECTRAL EDGE MARKING FOR STEGANOGRAPHY OR WATERMARKINGĬOORDINATED ILLUMINATION AND IMAGE SIGNAL CAPTURE FOR ENHANCED SIGNAL DETECTIONĬALCULATING THE SPECTRAL CHARACTERISTICS OF THE COLOR RESULTING FROM OVERLAYING COLORANTSĭevice and method for analysing images by calculating the variance for each pixel of a high-frequency image High dynamic range display with three dimensional and field sequential color synthesis controlĭETERMINING POSE FOR USE WITH DIGITAL WATERMARKING, FINGERPRINTING AND AUGMENTED REALITY IMAGING DEVICE AND IMAGE SIGNAL PROCESSOR Reducing watermark perceptibility and extending detection distortion tolerances Next generation imaging methods and systemsįULL-COLOR VISIBILITY MODEL USING CSF WHICH VARIES SPATIALLY WITH LOCAL LUMINANCEĭATA HIDING FOR SPOT COLORS IN PRODUCT PACKAGING Methods and arrangements for identifying objectsĭigital watermarking in data representing color channels SPOT COLOR SUBSTITUTION FOR DIGITAL WATERMARKINGĭata hiding for spot colors in product packaging System and methods for encoding information for printed articlesĭigital watermarking methods, apparatus and systemsįull-color visibility model using CSF which varies spatially with local luminance Geometric enumerated watermark embedding for spot colors Including information signals in product packaging and other printer mediaįull color visibility model using CSF which varies spatially with local luminanceĭigital watermarking and data hiding with narrow-band absorption materialsĭifferential modulation for robust signaling and synchronization
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