HALFTONE DOT ENCODING

Patent №

US 6,977,758

Granted

2005-12-20

Filed 2003

Owner

XEROX CORPORATION

Lab

AI components

1

hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

10672209

There is disclosed in embodiments methods for halftone dot encoding for engine-dependent-rendering. The methods first carefully design an asymmetric halftone dot for a specific printer and then utilizes a halftone dot encoding algorithm, which encodes the asymmetric halftone dot into a symmetric format. The asymmetric halftone dot design is satisfies the requirements of raster output scanner electronics, as well as several engine dependent constraints. These include: rotation insensitivity, minimum dot size, minimum hole size, minimum appendage, and minimum cavity. The symmetric dot encoding allows perfect reconstruction of the binaries that may have been generated using the original asymmetric dot. This reconstruction is achieved using imbedded binary resolution conversion. In this way, this resolution conversion is acting as a decoder.

AI hardwareH04N 1/3877H04N 1/4056

AI classification

AI hardware0.72
Vision0.00
Speech0.00
Machine learning0.00
Evolutionary computation0.00
Natural language0.00
Planning0.00
Knowledge representation0.00

Ownership

XEROX CORPORATION

assignment · 145510648

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