CN101620681B

CN101620681B - Method for rapidly identifying handwritten characters on handwriting input device

Info

Publication number: CN101620681B
Application number: CN 200810126856
Authority: CN
Inventors: 刘亮
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2008-07-01
Filing date: 2008-07-01
Publication date: 2013-01-16
Anticipated expiration: 2028-07-01
Also published as: CN101620681A

Abstract

The invention discloses a method for rapidly identifying handwritten characters on a handwriting input device, which comprises the following steps: (1) dividing an input region of the handwriting input device into a first input region and a second input region; and (2) using the handwriting input device to identify the handwritten characters in the first input region when the handwriting of characters in the first input region is finished and the handwriting of the characters in the second input region starts. Compared with the prior art, the method can rapidly judge when the writing of one character is finished and avoid the shortcomings of the prior method.

Description

A kind of on handwriting input device the method for rapidly identifying handwritten characters

Technical field

The present invention relates to the handwriting input device field, more particularly, relate to a kind of method the upper rapidly identifying handwritten characters of the equipment of handwriting input (for example mobile phone) is arranged.

Background technology

At present, no matter be that the input method on PC (PC) machine or the terminal devices such as mobile phone, PDA (palm PC) has got more and more, the most typical have keyboard input, touch-screen input, a handwriting pad input etc.Wherein, touch-screen or handwriting pad input method roughly all are by the hand-written mode of user, finish the input of information by methods such as handwriting recognition softwares.Handwriting input has a special problem, judges exactly when a word begins the problem that when writes.After only having a word to write, just can call identification software and identify.Otherwise, if word does not write, identify just nonsensical.Judge when a word begins, and when writes, and seems two problems, is a problem in fact, can be summed up as the problem when a word writes, namely judge an end problem that when finishes of a word.Hand-written as example take handset touch panel, in conjunction with shown in Figure 1, the way of prior art has two kinds at present:

The one, the time length with the first stroke of a Chinese character and between starting to write judges whether a word finishes.This is that people of hypothesis will write a word, and it is very coherent that each stroke of each word is write; That is to say, between the stroke, the first stroke of a Chinese character and the time interval of starting to write are smaller.Give an example, such as can the regulation first stroke of a Chinese character and start to write between the time interval can not surpass 1 second, otherwise think the beginning of next word.When the user is hand-written, as long as the time interval between the stroke is no more than 1 second, just think that current this word does not write like this; When between the starting to write of the first stroke of a Chinese character of finding a upper stroke and next stroke, the time interval surpasses 1 second, thinks that then a upper stroke is last of current word, and has finished; Next record divides the beginning of a rear word into.At this moment, just can activate recognizer, identify current this word.

The 2nd, judge with a special button whether a word finishes.When the user is hand-written, if a word writes, then click this special button, just can activate recognizer and identify current this word this moment.

These two kinds of methods have some shortcomings, and wherein, first method at first, after a word writes, will wait 1 second ability to begin identification at least; Secondly, just gave an example in 1 second, in the practical programs, will repeatedly test this interval time, finds suitable value, and this value is large bad, seems that reaction is very slow, writes also and lose time; Little also bad, easily cause regular erroneous judgement disconnected, do to get user or repeatedly rewrite same word, or nervous each word of writing.Second method at first, when needing the user hand-written, is done extra operation and is removed a button; Secondly, special logic need to be arranged, distinguish the user and be a button or continuing to write next record etc.

Summary of the invention

Technical matters solved by the invention be to provide a kind of on handwriting input device the method for rapidly identifying handwritten characters, to realize judging fast that when a word writes, and avoids again the shortcoming problem of preceding method.

In order to realize the problems referred to above, the invention provides a kind of on handwriting input device the method for rapidly identifying handwritten characters, may further comprise the steps:

(1) input area of described handwriting input device is divided into the first and second two input areas;

(2) after the handwriting in described the first input area finished, when the handwriting in described the second input area began, described handwriting input device was identified the handwriting in described the first input area.

Method of the present invention, wherein, described step (2) further comprises: after the handwriting in described the first input area finishes, when the handwriting in described the second input area begins, described handwriting input device in described the first input area and the handwriting in the white space between the first and second input areas identify.

Wherein, the handwriting in the step (2) in described the second input area further is: the handwriting in the described input area of not writing literal.

Wherein, the described input area of not writing literal is for appearing at the input area in this input area without any starting to write of a handwriting stroke.

Wherein, described step (1) further comprises: the input area of described handwriting input device is divided into two input areas with obvious sign and certain intervals.

Wherein, described step (1) further comprises, and the first stroke of described user's handwriting must drop in the input area of described handwriting input device.

Compared with prior art, the present invention can realize judging when a word writes, and avoids again the shortcoming of preceding method fast.

Description of drawings

Fig. 1 is hand-written sketch of the prior art;

Fig. 2 is the hand-written illustration of the embodiment of the invention;

Fig. 3 is the hand-written process illustration of the embodiment of the invention;

Fig. 4 is the hand-written process illustration of the embodiment of the invention;

Fig. 5 is the hand-written process illustration of the embodiment of the invention;

Fig. 6 is the method flow diagram of rapidly identifying handwritten characters on the handwriting input device of the embodiment of the invention.

Embodiment

The present invention here provide a kind of on handwriting input device the method for rapidly identifying handwritten characters, to realize judging fast that when a word writes, and avoids again the shortcoming problem of preceding method.Below embodiment is described in detail, but not as a limitation of the invention.

At first explain and start to write and the first stroke of a Chinese character.Each stroke such as a horizontal stroke, is from left to right write traditionally, then starts to write to refer to begin to write this horizontal the time, and pen is fallen on the paper this constantly; The first stroke of a Chinese character then refers to write across the page be over, and pen lifts this constantly from paper.

Enforcement below in conjunction with accompanying drawing 2,3,4 and 6 pairs of technical schemes is described in further detail:

Step 101, the handwriting input zone of described handwriting input device is divided into two parts; These two parts can have certain interval, judge when making things convenient for the user hand-written; In order to represent clearly two different zones, can give some obvious signs, such as distinguishing with two square frames with obvious sign and certain intervals as shown in Figure 2, the left side is the first input area, the right is the second input area.First, second input area here is not concrete restriction, can change the position.

Step 102, after the handwriting of user in the first input area finished, when the handwriting in the second input area began, described handwriting input device was identified the handwriting in described the first input area.

For step 102, in fact two input areas on the handwriting input device are for the identification handwriting, and the concrete restriction of the decision logic of this handwriting input device also comprises:

1, word in the time of hand-written, writes in the zone on the handwriting input device as far as possible, tries not to exceed this zone;

Handwriting input device is not enforceable requirement to this setting.The stroke of a word writes in the zone of equipment, is another zone of having write because of carelessness equipment for fear of the stroke that has, and causes error in judgement; Simultaneously also avoid handwriting area to be drawn at sixes and sevensly, unintelligible.

2, handwriting input device requires start to write the first time of each word, must be in independent input area, shown in Fig. 3 and 4; This meaning is, each word when writing the first stroke, be started to write at an independent input area, and this is the standard of judging that handwriting finishes in the previous input area.So-called independent input area is exactly the input area of not writing, and in other words, is not a upper input area that word is write.The characteristics of the input area of not writing are, a upper word, and starting to write without any one appears at this zone; But do not represent that this zone does not just have the stroke process, as shown in Figure 5, because we do not do requirement to the first stroke of a Chinese character of stroke, like this, any stroke all may pass through this zone, also might the first stroke of a Chinese character occur in this zone.

3. starting to write of each stroke of same word can not be gone to another one zone (second zone);

This is very clear and definite, and each stroke of same word can not be gone to the another one zone and go to write, and goes to start to write.The very important sign of judging whether word finishes because start to write; But do not represent, the first stroke of a Chinese character of stroke can not be gone to another zone and go; Also do not represent, starting to write must be in first zone, must be in a zone but start to write the first time of each word.

4. can also be further defined to for the 2nd restriction: except starting to write in the zone of the first stroke, other strokes start to write can be in the one's respective area or two zones outside white space in.

Say above this, what need further to explain is to start to write for the first time of each word, is basis for estimation, is the end of a upper word, also is the beginning of next word; Judging that it is the beginning of next word which time started to write, is to distinguish with different zones; Start to write the first time that occurs in each zone, all represents the beginning of a word; End occurs starting to write in another zone; Any stroke of occuring between this all is same word; Certainly, what occur in another zone starts to write, this is started to write, and is next word.

5. the first stroke of a Chinese character of each stroke in the input area on the handwriting input device, any identification is not done in not restriction, and handwriting input device yet, and the first stroke of a Chinese character is not because as basis for estimation, so too much restriction is not done in the first stroke of a Chinese character.

6. in the input area on the handwriting input device, start to write from occurring, in another input area, occur starting to write, any stroke between this, it all is the stroke of same word, that is to say that handwriting input device recognizes when occurring starting to write in another input area, just the handwriting in the input area in front is identified.

Compared with prior art, the described method of the embodiment of the invention can realize judging when a word writes fast, has avoided again the shortcoming in the method for prior art.

Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims

1. the method for a rapidly identifying handwritten characters on handwriting input device is characterized in that, may further comprise the steps:

(1) input area of handwriting input device is divided into the first and second two input areas;

(2) after the handwriting in described the first input area finished, when the handwriting in described the second input area began, described handwriting input device was identified the handwriting in described the first input area; To start to write as the sign of judging whether word finishes, distinguishing which inferior starting to write of judgement with different zones is the beginning of next word; In the input area, start to write from occurring, occur starting to write in another input area, any stroke between this all is the stroke of same word; Described handwriting input device recognizes when occurring starting to write in another input area, just the handwriting in the input area in front is identified.

2. the method for claim 1, it is characterized in that, described step (2) further comprises: after the handwriting in described the first input area finishes, when the handwriting in described the second input area begins, described handwriting input device in described the first input area and the handwriting in the white space between the first and second input areas identify.

3. the method for claim 1 is characterized in that, the handwriting in the step (2) in described the second input area further is: the handwriting in the input area of not writing literal.

4. method as claimed in claim 3 is characterized in that, does not write the input area of literal, for appear at the input area in this input area without any starting to write of a handwriting stroke.

5. the method for claim 1 is characterized in that, described step (1) further comprises: the input area of described handwriting input device is divided into two input areas with obvious sign and certain intervals.

6. such as the described method of any one claim in the claim 1 to 5, it is characterized in that, described step (1) further comprises, and the first stroke of user's handwriting must drop in the input area of described handwriting input device.