公开(公告)号：US10254913B2

公开(公告)日：2019-04-09

申请号：US15378218

申请日：2016-12-14

Applicant: Adobe Inc.

Inventor： JaeGwang Lim ,  Byungmoon Kim ,  Sunil Hadap

IPC: G06F3/048 ,  G06F3/0481 ,  G06T7/13 ,  G06F3/0484 ,  G06F3/01

Abstract: Techniques are disclosed for selecting a targeted portion of a digital image. In one embodiment, a selection cursor having central and peripheral regions is provided. The central region is used to force a selection or a deselection, and therefore moving the central region over a portion of the image causes that portion of the image to be selected or deselected, respectively. The peripheral region of the cursor surrounds the central region and defines an area where a localized level set algorithm for boundary detection is performed. This provides more accurate boundary detection within the narrowly-focused peripheral region and eliminates the need to apply the level set algorithm across the entire image. Thus moving the peripheral region of the selection cursor over a boundary of the targeted portion of the image applies the level set algorithm in that boundary region and increases the likelihood that the boundary will be detected accurately.