Peter Stephen Macleod

US Patent:

6809833, Oct 26, 2004

Filed:

Mar 1, 1999

Appl. No.:

09/259983

Inventors:

Stuart R. Blair - San Francisco CA
Peter S. MacLeod - Oakland CA
Peter Mierau - Alamo CA

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06F 1500

US Classification:

358 116, 358 115, 395114, 395115, 395117, 709321

Abstract:

A system adapts a host raster image processor to support a selected output device from a plurality of output devices by buffering, in a memory shared by a print driver and a host raster image processor and controlled by a status indicator, a print stream having one or more commands to customize the raster image processor and customizing the raster image processor using the commands to render a document on the selected output device.

US Patent:

7161710, Jan 9, 2007

Filed:

Sep 1, 2000

Appl. No.:

09/653052

Inventors:

Peter S. MacLeod - San Diego CA, US

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06F 15/00
G03F 3/08

US Classification:

358 19, 358523

Abstract:

An apparatus, method and computer program product for transforming data from a source device color space to a destination device color space, wherein the source device is associated with a source device profile and the destination device is associated with a destination device profile. It includes transforming data from the source device color space to an intermediary color space associated with an intermediary color profile using the source device color profile, a source rendering intent, and the intermediary color profile, producing intermediary data; and transforming the intermediary data from the intermediary color space to the destination device color space using the intermediary color profile, a destination rendering intent, and the destination device color profile.

US Patent:

7227666, Jun 5, 2007

Filed:

Sep 1, 2000

Appl. No.:

09/653053

Inventors:

Peter S. MacLeod - San Diego CA, US

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06F 15/00
H04N 1/46
G06K 9/00

US Classification:

358 19, 358504, 382167

Abstract:

In general, in one aspect, the invention features an apparatus, method, and computer program product for automatically selecting a rendering intent. It includes identifying a device color profile associated with a device; and automatically selecting a rendering intent based on the transform defined by the device color profile. Selecting can include determining a minimum luminance the printing press can produce; and selecting one of a plurality of rendering intents based on a comparison of the minimum luminance to one or more predefined thresholds. Selecting can include selecting a first rendering intent when the difference between a minimum luminance the printing press can produce and a minimum luminance the proofing printer can produce exceeds a predefined value; and selecting a second rendering intent otherwise. Selecting can include selecting a first rendering intent when a color gamut of the printing press is substantially contained within a color gamut of the proofing printer; and selecting a second rendering intent otherwise.

US Patent:

7408678, Aug 5, 2008

Filed:

Nov 6, 2006

Appl. No.:

11/556957

Inventors:

Peter S. MacLeod - San Diego CA, US

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06F 15/00
G03F 3/08
G06K 9/36

US Classification:

358 19, 358523, 382276

Abstract:

An apparatus, method and computer program product for transforming data from a source device color space to a destination device color space using a source device color profile, a source rendering intent, a destination rendering intent, and a destination device color profile, such that the source rendering intent and the destination rendering intent determine a method of mapping colors from the source device color space to the destination device color space.

US Patent:

7423780, Sep 9, 2008

Filed:

Apr 3, 2007

Appl. No.:

11/696174

Inventors:

Peter S. MacLeod - San Diego CA, US

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06F 15/00
G06F 3/08

US Classification:

358 19, 358520, 358523

Abstract:

In general, in one aspect, the invention features an apparatus, method, and computer program product for automatically selecting a rendering intent. A device color profile associated with a device is identified. A rendering intent is automatically selected based on the device color profile. A minimum luminance that the device can produce can be determined based on the color profile of the device. A rendering intent can be selected based on the difference between a minimum luminance that an output device can produce and a minimum luminance that an emulation device can produce.

US Patent:

7468813, Dec 23, 2008

Filed:

Apr 3, 2007

Appl. No.:

11/696169

Inventors:

Peter S. MacLeod - San Diego CA, US

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06K 15/00
G06F 15/00
G03F 3/08

US Classification:

358 19, 358523, 358 11

Abstract:

In general, in one aspect, the invention features an apparatus, method, and computer program product for automatically selecting a rendering intent. A device color profile associated with a device is identified. A rendering intent is automatically selecting based on the device color profile. A rendering intent can be selected based on comparing a color gamut of the output device to a color gamut of the emulation device.

US Patent:

7796299, Sep 14, 2010

Filed:

Apr 23, 2008

Appl. No.:

12/108267

Inventors:

Peter S. MacLeod - San Diego CA, US

Assignee:

Adobe Systems Incorporated - San Jose CA

International Classification:

G06F 15/00
H04N 1/46
G03F 3/08
G06K 9/00
G06K 9/36

US Classification:

358 19, 358501, 358523, 382162, 382276

Abstract:

An apparatus, method and computer program product for transforming data from a source device color space to a destination device color space using a source device color profile, a source rendering intent, a destination rendering intent, and a destination device color profile, such that the source rendering, intent and the destination rendering intent determine a method of mapping colors from the source device color space to the destination device color space.

US Patent:

57780927, Jul 7, 1998

Filed:

Dec 20, 1996

Appl. No.:

8/770391

Inventors:

Peter S. MacLeod - Oakland CA
Luc Vincent - Palo Alto CA
Xianing Zhu - San Jose CA

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H04N 164

US Classification:

382176

Abstract:

A technique for compressing a color or gray scale pixel map representing a document. The pixel map is decomposed into a three-plane representation, a reduced-resolution foreground plane, a reduced-resolution background plane, and a high-resolution binary selector plane. The foreground plane contains the color or gray scale information of foreground items such as text. The background plane contains the color or gray scale information for the "background" of the page and the continuous tone pictures that are contained on the page. The selector plane stores information for selecting from either the foreground plane or background plane during decompression. Each of the respective planes is compressed using a compression technique optimal for the corresponding data type. Also described is a method for decompressing documents compressed into the three plane representation at arbitrary resolutions.