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.

Date of Patent:
Nov. 13, 2001

Filed:

Nov. 25, 1997
Applicant:
Inventors:

Beverly L. Harrison, Toronto, CA;

William A. S. Buxton, Toronto, CA;

Shumin Zhai, Toronto, CA;

Assignee:

Silicon Graphics, Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 3/00 ;
U.S. Cl.
CPC ...
G06T 3/00 ;
Abstract

A system and method for providing a graphical user interface (GUI) with anti-interference outlines for enhanced user attention and fluency of work. The GUI utilizes transparency to merge images (or layers) of objects onto a graphical display. For example, variably-transparent (transparent/semi-transparent) or “see through” objects, such as menus, tool palettes, windows, dialogue boxes, or screens are superimposed over similar objects or different background content, such as text, wire-frame or line art images, and solid images. Anti-interference outlines are utilized to heighten the visibility and hence legibility of objects by mitigating visual interference, which is typically the result of overlaying similar colors or luminance values such that one layer “blends” into another. The GUI calculates a luminance level of a particular object and then surrounds the object with a luminance-contrasting border or anti-interference outline, thus enhancing visual distinctiveness of the particular object while maintaining all the advantages of transparency.


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