Louis R Piloco

US Patent:

6400849, Jun 4, 2002

Filed:

Oct 20, 2000

Appl. No.:

09/693723

Inventors:

Louis R. Piloco - Kent WA
Larry A. Nelson - Seattle WA

Assignee:

Shih-Jong J. Lee - Bellevue WA

International Classification:

G06T 520

US Classification:

382260, 382302, 382304, 382307, 382308, 382265, 382279, 708308, 708315, 708320

Abstract:

An image processing method using memory management and pre-computed look up tables to speed up computations. Application of filters along directions other than image rows is simplified using several structured processing approaches that improve image data cache-ability. Time consuming or repeated computations are pre-computed and stored as look up tables to reduce the time required for image processing and to remove or reduce the need for special purpose image processing hardware.

US Patent:

6735337, May 11, 2004

Filed:

Feb 2, 2001

Appl. No.:

09/775954

Inventors:

Louis Piloco - Kent WA 98031

International Classification:

G06K 934

US Classification:

382220, 382177, 382284

Abstract:

A character reading technique recognizes character strings in grayscale images where characters within such strings have poor contrast, are variable in position or rotation with respect to other characters in the string, or where portions of characters in the string are partially obscured. The method improves classification accuracy by improving the robustness of the underlying correlation operation. Characters are divided into regions before performing correlations. Based upon the relative individual region results, region results are combined into a whole character result. Using the characters that are read, a running checksum is computed and, based upon the checksum result, characters are replaced to produce a valid result.

US Patent:

59956801, Nov 30, 1999

Filed:

Aug 15, 1997

Appl. No.:

8/911611

Inventors:

William E. Ortyn - Devall WA
Louis R. Piloco - Kent WA
Jon W. Hayenga - Kent WA

Assignee:

NeoPath, Inc. - Redmond WA

International Classification:

G06K 960

US Classification:

382286

Abstract:

A method for checking cytological system illumination including the steps of checking global illumination variation, static field uniformity, dynamic field uniformity, specimen thickness variation, strobe repeatability, calibration plate cleanliness, and strobe dropout. A calibration plate and test target is employed for various illumination checks.

US Patent:

55570976, Sep 17, 1996

Filed:

Sep 20, 1994

Appl. No.:

8/309130

Inventors:

William E. Ortyn - Devall WA
Jon W. Hayenga - Kent WA
Louis R. Piloco - Kent WA

Assignee:

NeoPath, Inc. - Redmond WA

International Classification:

G02B 728
H04N 718
G01M 1102

US Classification:

2502013

Abstract:

An automated method for checking cytological system autofocus integrity. The automated method includes the steps of checking focus illumination integrity, checking focus camera Modulation Transfer Function, checking focus camera position integrity, and checking closed loop accuracy. Checking focus illumination integrity includes checking focus illumination system integrity, and checking a focus noise floor level. Checking focus camera position integrity includes checking focus camera longitudinal separation, and checking focus camera lateral separation. Checking focus camera position integrity includes checking focus filter frequency response.

US Patent:

57153264, Feb 3, 1998

Filed:

Sep 8, 1994

Appl. No.:

8/303179

Inventors:

William E. Ortyn - Devall WA
Louis R. Piloco - Kent WA
Jon W. Hayenga - Kent WA

Assignee:

NeoPath, Inc. - Redmond WA

International Classification:

G06K 900
G06K 938
G01N 3348

US Classification:

382128

Abstract:

A method for checking cytological system illumination including the steps of checking global illumination variation, static field uniformity, dynamic field uniformity, specimen thickness variation, strobe repeatability, calibration plate cleanliness, and strobe dropout. A calibration plate and test target is employed for various illumination checks.

US Patent:

58411240, Nov 24, 1998

Filed:

Mar 20, 1997

Appl. No.:

8/823793

Inventors:

William E. Ortyn - Devall WA
Jon W. Hayenga - Kent WA
Louis R. Piloco - Kent WA

Assignee:

NeoPath, Inc. - Redmond WA

International Classification:

G02B 728
G06K 900

US Classification:

2502013

Abstract:

An automated method for checking cytological system autofocus integrity. The automated method includes the steps of checking focus illumination integrity, checking focus camera Modulation Transfer Function, checking focus camera position integrity, and checking closed loop accuracy. Checking focus illumination integrity includes checking focus illumination system integrity, and checking a focus noise floor level. Checking focus camera position integrity includes checking focus camera longitudinal separation, and checking focus camera lateral separation. Checking focus camera position integrity includes checking focus filter frequency response.

US Patent:

6011861, Jan 4, 2000

Filed:

Aug 15, 1997

Appl. No.:

8/911612

Inventors:

William E. Ortyn - Devall WA
Louis R. Piloco - Kent WA
Jon W. Hayenga - Kent WA

Assignee:

NeoPath, Inc. - Redmond WA

International Classification:

G06K 960

US Classification:

382128

Abstract:

A method for checking cytological system illumination including the steps of checking global illumination variation, static field uniformity, dynamic field uniformity, specimen thickness variation, strobe repeatability, calibration plate cleanliness, and strobe dropout. A calibration plate and test target is employed for various illumination checks.

US Patent:

57638713, Jun 9, 1998

Filed:

Mar 20, 1997

Appl. No.:

8/821695

Inventors:

William E. Ortyn - Devall WA
Jon W. Hayenga - Kent WA
Louis R. Piloco - Kent WA

Assignee:

NeoPath, Inc. - Redmond WA

International Classification:

G02B 728
H04N 718
G01M 1102

US Classification:

2502013

Abstract:

An automated method for checking cytological system autofocus integrity. The automated method includes the steps of checking focus illumination integrity, checking focus camera Modulation Transfer Function, checking focus camera position integrity, and checking closed loop accuracy. Checking focus illumination integrity includes checking focus illumination system integrity, and checking a focus noise floor level. Checking focus camera position integrity includes checking focus camera longitudinal separation, and checking focus camera lateral separation. Checking focus camera position integrity includes checking focus filter frequency response.