Robert Ulichney

THREE-DIMENSIONAL LATTICED CONDUCTIVE ELEMENTS

FIDUCIAL LOCATION

FIDUCIAL PATTERNS

ENCODING INFORMATION WITH SHIFTED LINEAR PATTERNS

RECOVERING ALIGNMENT GRIDS

THREE-DIMENSIONAL OBJECT MARKING

VISUALLY SIGNIFICANT MARKING SCHEMES

Encoding information using disjoint highlight and shadow dot patterns

Encoded monochrome images of data-hiding watermarks

Density rank matrix normalization for three-dimensional printing

REFLECTION AND INVERSION INVARIANT CODES

Encoding dot patterns into printed images based on source pixel color

CUSTOMIZED ORDER FULFILLMENT

Omnidirectional barcode

M-ary cyclic coding

Encoding information in printed images by decreasing grayscale pixel values exceeding threshold

Determine image capture position information based on a quasi-periodic pattern

Data-bearing medium

Parallel image processes

Assigning halftone screens to clustered image portions based on color and content

3D printed object halftone image generation containing updated voxel data

Recursive halftoning and gray value substitution

Multiscale density threshold matrices for 3D printing

Groups of phase invariant codewords

Density rank matrix generation for three-dimensional printing

Multi-dimensional cyclic symbols

Recursive halftoning and gray value substitution

M-ary cyclic coding

Determine image capture position information based on a quasi-periodic pattern

Multiple payload pantographs

Recovering planar projections

Rapid image registration

AUTHENTICATION BASED ON DATA CONTENT AND DATA PARTITIONS

Frequency domain range determination for a periodic or quasi-periodic target

Determine presence of quasi-periodic two-dimensional object

Embedding data in halftone images

Groups of phase invariant codewords

Data-bearing medium

Data bearing medium

Forensic verification utilizing forensic markings inside halftones

System and method for print production sheet identification