Dynamic width adjustment for detail-in-context lenses

Details Dynamic width adjustment for detail-in-context lenses Dynamic width adjustment for detail-in-context lenses

2007-12-25

2007-12-25

Wang, Jin-Cheng (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S620000, C345S585000, C345S440000, C345S440100, C345S441000

Reexamination Certificate

active

11041920

ABSTRACT:
A method for reducing occlusion in a presentation of a region-of-interest of an original image, the presentation generated by distorting the original image to produce a lens having a focal region for the region-of-interest at least partially surrounded by a shoulder region defined by a shoulder drop-of function, comprising: scaling the focal region; and, for an input point in the shoulder region, determining a width for the shoulder region from a distance between a projection point for the input point to the focal region and an intersection point on a perimeter of the lens of a line constructed through the input point, the projection point, and the intersection point, to thereby reduce occlusion of the shoulder region by the focal region.

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patent: 5670984 (1997-09-01), Robertson et al.
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Marianne S.T. Carpendale, “A Framework for Elastic Presentation Space”, Burnaby, British Columbia, Simon Fraser University, 1999.

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