Candidate selection method for handwriting input

• US 8,229,225 B2
• Filed: 05/06/2008
• Issued: 07/24/2012
• Est. Priority Date: 05/06/2008
• Status: Expired due to Fees

• Current Assignee: Yingchao Wu
• Original Assignee: Yingchao Wu
• Inventors: Wu, Yingchao
• Primary Examiner(s): DULANEY, KATHLEEN YUAN
• Application Number:
  US12/116,174
• Publication Number:
  US 20090279782A1
• Time in Patent Office: 1,540 Days
• Field of Search: 382/187, 382/179, 382/229
• US Class Current: 382/187
• CPC Class Codes: G06V 30/10 Character recognition
• CPC Class Codes: G06V 30/268 Lexical context
• CPC Class Codes: G06V 30/36 Matching; Classification

Abstract

A method for handwriting input includes recognizing a first character inputted by handwriting; providing a plurality of recognition results each with a code based on the recognition of the first character; recognizing a second character inputted by handwriting; and determining the first character based on the recognition of the second character. A handwriting input system for carrying out the method is also provided.

Claims

1. A method for handwriting input adapted for a handwriting input system, the handwriting input system comprising a stroke input module, a stroke recognition module, an input window, a result transmit module and a command execute module, the method comprising:

the stroke input module receiving a handwriting input of one or more first inputted characters inputted within the input window;

the stroke recognition module recognizing the one or more first inputted characters and obtaining a plurality of recognition results corresponding to the first inputted characters, wherein recognition results from the plurality of recognition results comprise a default recognition result and a plurality of candidate recognition results;

assigning an identification code correspondingly to each of the recognition results, and the result transmit module displaying each of the recognition results together with the corresponding identification code;

the stroke recognition module recognizing one or more second inputted characters inputted within the input window inputted by handwriting; and

the command execute module determining the one or more first characters based on the recognition of the one or more second characters by comparing the one or more second inputted characters with each of the codes.

2. The method of claim 1, wherein the step of comparing the one or more second inputted characters with each of the codes comprises:

determining whether or not one of the codes is identified to be the one or more second inputted characters.

3. The method of claim 2, wherein the step of determining the one or more first characters based on the recognition of the one or more second characters further comprises:

if one of the codes is identified to be the one or more second inputted characters, the result transmit module displays the recognition result corresponding to the identified code.

4. The method of claim 2, wherein the step of determining the one or more first characters based on the recognition of the one or more second characters further comprises:

if none of the codes is identified to be the one or more second inputted characters, the one or more second characters are recognized by the stroke recognition module as a new character input to be displayed by the result transmit module.

5. The method of claim 4, further comprising substituting the default recognition result in the input window with the one of the recognition results upon determining the one of the recognition results is the one or more first characters.

6. The method in accordance with claim 1, wherein the codes correspondingly and respectively displayed with the recognition results are numbers, letters or a combination of numbers and letters.

7. A handwriting input system comprising:

a stroke input module configured to receive drawing of one or more strokes of a first character and a subsequent second character;

a stroke recognition module configured to recognize the first character based on one or more received strokes of the first character and recognize the second character based on one or more received strokes of the second character;

a result transmit module configured to provide a plurality of recognition results each with a corresponding identification code;

a display area displaying each of recognition results from the plurality of recognition results correspondingly with the corresponding code thereof so as to allow a user to identify a correspondence therebetween; and

a command execute module configured to identify whether or not the second character is one of the codes respectively corresponding to the recognition results for determining the first character based on a recognition result of the second character.

8. The handwriting input system of claim 7, wherein the plurality of recognition results comprises one default recognition result and a plurality of other recognition result candidates.

9. The handwriting input system of claim 8, wherein the command execute module is configured to determine that the default recognition result is the first character if the second character is recognized as a new character input that is different from any of the codes of the recognition results.

10. The handwriting input system of claim 9, wherein if the second character is recognized as one of the codes corresponding to one of the recognition results, the one of the recognition results is determined to be displayed as the first character.

11. The handwriting input system of claim 7, wherein the code of the recognition result is selected from the group consisting of a number, a letter or a combination of the above.