Adaptive ink prediction

• US 10,338,807 B2
• Filed: 02/23/2016
• Issued: 07/02/2019
• Est. Priority Date: 02/23/2016
• Status: Active Grant

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Inventors: Poon, Patrick Jee-An, Lin, Jianfeng, Tu, Xiao
• Primary Examiner(s): Liang, Dong Hui
• Application Number:
  US15/051,582
• Publication Number:
  US 20170242579A1
• Time in Patent Office: 1,225 Days
• CPC Class Codes: G06F 3/0416 Control or interface arrangements specially adapted for digitisers
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: G06N 5/022 Knowledge engineering; Knowledge acquisition

Abstract

A facility for adapting the prediction of ink is described. In some examples, the facility receives information about a spatial movement by a user. On the basis of the received information, the facility predicts future spatial movement by the user, and generates an ink stroke that reflects both the spatial movement described by the received information and at least a portion of the predicted future spatial movement. The facility enforces against the generated ink stroke a limit that has the effect of controlling the area of a portion of the ink stroke corresponding to the at least a portion of the predicted future spatial movement, and causes the generated ink stroke, subject to the enforcement of the limit, to be displayed.

Claims

1. A non-transitory computer-readable medium having contents configured to cause a computing system to:

receive information about a spatial movement by a user;

on the basis of the received information, predict future spatial movement by the user;

generate an ink stroke that reflects both the spatial movement described by the received information and at least a portion of the predicted future spatial movement;

enforce against the generated ink stroke a limit that has the effect of controlling the area of a portion of the ink stroke corresponding to the at least a portion of the predicted future spatial movement; and

cause the generated ink stroke, subject to the enforcement of the limit, to be displayed,

wherein an extent of the predicted future spatial movement that is determined by enforcement of the limit is a number of contact points of the predicted future spatial movement that are reflected in the generated ink stroke,

wherein the limit that is enforced against the generated ink stroke determines the extent of the predicted future spatial movement to be reflected in the generated ink stroke in a way that inversely relates the extent of the predicted future spatial movement that is reflected in the generated ink stroke to a thickness of the generated ink stroke.

2. The non-transitory computer-readable medium of claim 1 wherein the extent of the predicted future spatial movement that is determined by the enforcement of the limit further includes a distance of the predicted future spatial movement that is reflected in the generated ink stroke.

3. The non-transitory computer-readable medium of claim 1 wherein the limit that is enforced against the generated ink stroke limits a thickness of a portion of the ink stroke reflecting the at least a portion of the predicted future spatial movement to be no greater than a boundary thickness.

4. The non-transitory computer-readable medium of claim 1 wherein the limit that is enforced against the generated ink stroke determines the extent of the predicted future spatial movement to be reflected in the generated ink stroke in a way that omits portions of the predicted future spatial movement that either (1) exceed a boundary thickness, or (2) are predicted to occur later than a portion that exceeds the boundary thickness.

5. A method in a computing system, comprising:

receiving information about a spatial movement by a user;

on the basis of the received information, predicting future spatial movement by the user;

generating an ink stroke that reflects both the spatial movement described by the received information and at least a portion of the predicted future spatial movement;

enforcing against the generated ink stroke a limit that has the effect of controlling the area of a portion of the ink stroke corresponding to the at least a portion of the predicted future spatial movement; and

causing the generated ink stroke, subject to the enforcement of the limit, to be displayed,

wherein an extent of the predicted future spatial movement that is determined by enforcement of the limit is a number of contact points of the predicted future spatial movement that are reflected in the generated ink stroke,

wherein the limit that is enforced against the generated ink stroke determines the extent of the predicted future spatial movement to be reflected in the generated ink stroke in a way that inversely relates the extent of the predicted future spatial movement that is reflected in the generated ink stroke to a thickness of the generated ink stroke.

6. The method of claim 5 wherein the extent of the predicted future spatial movement that is determined by the enforcement of the limit further includes a distance of the predicted future spatial movement that is reflected in the generated ink stroke.

7. The method of claim 5 wherein the limit that is enforced against the generated ink stroke limits a thickness of a portion of the ink stroke reflecting the at least a portion of the predicted future spatial movement to be no greater than a boundary thickness.

8. The method of claim 5 wherein the limit that is enforced against the generated ink stroke determines the extent of the predicted future spatial movement to be reflected in the generated ink stroke in a way that omits portions of the predicted future spatial movement that either (1) exceed a boundary thickness, or (2) are predicted to occur later than a portion that exceeds the boundary thickness.