The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8274705 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 25, 2012

Filed:

Mar. 27, 2009
Applicant:

Ching-wei Chang, Vancouver, WA (US);

Inventor:

Ching-Wei Chang, Vancouver, WA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

Machine-enabled methods of, and system, and processor readable media, embodiments for, tone quantization error diffusion comprising a first stage process and a second stage process. where pre-calibrated index tables may be applied by which quantized pixels may be expressed according to halftones.


Find Patent Forward Citations

Chang, Ching-Wei. (2012). Multi-level surround error diffusion (U.S. Patent No. 8274705). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8274705

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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