CN103299254A - Method, apparatus, and computer program product for overlapped handwriting - Google Patents
Method, apparatus, and computer program product for overlapped handwriting Download PDFInfo
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- CN103299254A CN103299254A CN2010800710763A CN201080071076A CN103299254A CN 103299254 A CN103299254 A CN 103299254A CN 2010800710763 A CN2010800710763 A CN 2010800710763A CN 201080071076 A CN201080071076 A CN 201080071076A CN 103299254 A CN103299254 A CN 103299254A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
Abstract
Embodiments of the present invention relates to a method, apparatus, and computer program product for use in overlapped handwriting. The method comprises: causing display of at least one segment obtained by a segmentation of overlapped handwriting; receiving a request for correcting the segmentation; and modifying, in response to the received request, the at least one segment to obtain at least one new segment.
Description
Technical field
Embodiments of the present invention are usually directed to information processing.More specifically, embodiments of the present invention relate to for overlapping hand-written method, device and computer program.
Background technology
The known hand-written family that is to use is input to information such as the nature in the electronic equipment of desk-top computer, flat computer, laptop computer, PDA(Personal Digital Assistant) or mobile phone and machine-processed easily.Particularly, in conjunction with suitable character recognition engine, hand-writtenly can be used for input and in electronic equipment, be used for text such as the various purposes of editor or word processing.
In the handwriting input operation, the user can utilize such as pointer, pen or only be him/and her writing implement of finger comes as writing at plain paper, specific on target device write zone (for example, clipboard, touch-screen or near screen) and writes.At the track of writing equipments of recording on the zone (hereinafter being called " person's handwriting "), one or more character recognition engines are carried out suitable recognizer and are converted character to the person's handwriting that will be recorded then.There have been some available recognizers or for example have been used for the product that carries out character recognition based on structure identification, as the statistical model of hidden Markov model, neural network etc.Because hand-written naturality and convenience in more computing equipment, particularly adopts hand-written for portable terminal more and more.
Recently, proposed a kind of overlapping hand-written technology that is called, this technology allows user to write continuous writing in the zone more than one character single, and wherein the character overlap of each input is on previous character, as shown in fig. 1.Overlapping hand-written by using, the user can continuous writing, and does not need to wait for the time out for the identification of each character.In this mode, can write a plurality of characters smoothly in nonbreaking situation next time, thereby improve operating efficiency.In addition, compare with other hand-written solutions of supporting continuous writing with a plurality of zones of writing are provided, overlapping hand-written solution needs the relatively little zone of writing, and this equipment for finite size is crucial.
With reference to figure 1, show the high level schematic diagram of the overlapping hand-written general process of explanation.As shown in the figure, overlapping hand-written in, the person's handwriting of being made up of the stroke of at least one character 102 need be divided at least one segmentation 104.This process is called as to be cut apart.Then, the identification engine converts one or more segmentations to the character 106 identified as exporting.In the prior art, carry out cutting procedure on the backstage.In other words, will can not show the user from the segmentation of original overlapping hand-written acquisition, but directly be identified.Usually, under the support of particular language model, execution is simultaneously cut apart and is identified.In this mode, expectation identification engine provides the most significant character string based on the person's handwriting of input and the segmentation result that meets.Significantly, the accuracy of final identification depends on the quality of cutting procedure to a great extent.
Ideally, the character string of identifying should be that the user wants the character string imported originally really.Unfortunately, though proposed to improve some solutions for the accuracy of overlapping hand-written identification, mistake all is inevitable to a certain extent.Cut apart and identify and all can run into mistake.In the practice, be correct and character string identification when not being correct when cutting apart, some existing error correcting methods as candidate list or rewrite single character, can be worked well.Yet, in cutting procedure, occurring under the situation wrong and that therefore in the identification string of output, make the mistake, traditional bearing calibration (for example, candidate list) is normally unsuccessful.
For example, the type of the frequent fault in cutting apart is called as the unicursal mistake, and wherein segmentation has an extra stroke or lacks a stroke.According to statistics, in all possible segmentation errors, the unicursal mistake accounts for leading.Also there is the segmentation errors of other types as will be discussed.Occur under the wrong situation in cutting apart, final recognition result may be incorrect.Under these circumstances, the mode that does not exist the user can effectively proofread and correct recognition result by it in the technology is arranged now, and therefore, the user must rewrite one or more characters, this has produced the negative effect for operating efficiency and the experience of user thus.
Summary of the invention
In view of the foregoing problems that is used for overlapping hand-written existing method, need in the art to provide a kind of for proofreading and correct since erroneous segmentation produce in the mistake of overlapping handwriting recognition so that overcome method, device and the computer program of above-mentioned defective.
In one aspect, it is a kind of in the overlapping method of using in hand-written that embodiments of the present invention provide.This method comprises: make to show by to overlapping hand-written at least one segmentation that obtains of cutting apart; Reception is for this request of cutting apart of correction; And revise this at least one segmentation to obtain at least one new segmentation in response to the request that receives.
In another aspect, embodiments of the present invention provide the device that is used in overlapping hand-written use.This device comprises: at least one processor; And at least one storer, the program of this at least one memory stores computer-executable code.This at least one storer and computer-executable code are configured to make this device at least with at least one processor: make to show by to overlapping hand-written at least one segmentation that obtains of cutting apart; Reception is for this request of cutting apart of correction; And revise this at least one segmentation to obtain at least one new segmentation in response to the request that receives.
In another aspect, embodiments of the present invention provide a kind of computer product, comprise at least one computer-readable recording medium, and this at least one computer-readable recording medium stores the computer readable program code part thereon.This computer-executable code partly comprises: be used for to make show by to the overlapping hand-written code of cutting apart at least one segmentation that obtains; Be used for receiving the code for this request of cutting apart of correction; And be used for revising this at least one segmentation to obtain the code of at least one new segmentation in response to the request that receives.
In another aspect, embodiments of the present invention provide a kind of for the equipment in overlapping hand-written use.This equipment comprises: be used for to make show by to the overlapping hand-written device of cutting apart at least one segmentation that obtains; Be used for receiving the device for this request of cutting apart of correction; And be used for revising this at least one segmentation to obtain the device of at least one new segmentation in response to the request that receives.
By embodiments of the present invention, for example any when wrong when in the character string of identification, existing, can be can revise or editable mode presents segmentation result (that is at least one segmentation) to the user.Like this, if any, the user can find mistake intuitively in cutting apart.Then, he can ask for example only by several activities, to proofread and correct segmentation errors in effective and simple mode.According to certain embodiments of the present invention, make the user to initiate correction or modification to segmentation result by using such as the one group of predefine action (gesture) that drags, clicks or shake.In response, can carry out modification or correction to segmentation result according to user's request.
As this field technicians can recognize, embodiments of the present invention provide a kind of mechanism easily to the user, and by this mechanism, segmentation errors can alternatively be proofreaied and correct so that proofread and correct the identification error that causes owing to wrong segmentation.In this mode, a kind of effective solution is provided, by this solution, the user can proofread and correct the identification error that causes owing to erroneous segmentation, and therefore can significantly improve user's experience.Alternatively or in addition, can also make the user can before carrying out identification, check and proofread and correct segmentation errors.In this mode, it is wrong to guarantee that the segmentation that will identify does not have.In addition, according to certain embodiments of the present invention, the user can also change input according to his wish by for example one or more strokes being added to come in the existing segmentation.
When reading in conjunction with the accompanying drawings, from the description of following specific implementations, will understand other feature and advantage of embodiments of the present invention, accompanying drawing illustrates the principle of embodiments of the present invention by way of example.
Description of drawings
Embodiments of the present invention propose in the meaning of example, and explain the advantage of embodiments of the present invention in detail below with reference to accompanying drawing, in the accompanying drawings,
Fig. 1 shows the high level schematic diagram of the overlapping hand-written general process of explanation;
Fig. 2 shows the process flow diagram of the overlapping hand-written middle method of using according to the embodiment of the present invention;
Fig. 3 A-3F show according to the embodiment of the present invention can be used for asking to proofread and correct cut apart and the example of some actions of corresponding modify;
Fig. 4 A-4B show according to the embodiment of the present invention highlight the part of operating or the example of segmentation;
Fig. 5 shows the synoptic diagram that is applicable to the graphic user interface (GUI) that uses in putting into practice embodiments of the present invention;
Fig. 6 shows the simplified block diagram at the device of overlapping hand-written use of being used for according to the embodiment of the present invention; And
Fig. 7 shows the simplified block diagram that is applicable to the device that uses in putting into practice embodiments of the present invention.
Embodiment
It is a kind of for hand-writtenly particularly making the user can alternatively proofread and correct method, device and the computer program of segmentation errors overlapping that embodiments of the present invention provide.According to the embodiment of the present invention, can be can revise or editable mode shows by cutting apart the overlapping hand-written segmentation that is obtained to the user.Particularly, can be provided for being included in position and the temporal information of each part (that is one or more strokes) in each segmentation.Therefore, the user can select any part of any segmentation, and for example uses one group of predefined action to revise this part according to expectation.Therefore, make the user can proofread and correct any segmentation errors effectively, thereby proofread and correct final recognition result.Alternatively or in addition, can also make the user can before carrying out identification, check and proofread and correct segmentation result.In this mode, it is wrong to have guaranteed that the segmentation that will identify does not have, the feasible accuracy that can improve final identification.
Below with reference to accompanying drawing embodiments of the present invention are described.Will be appreciated that though followingly will mainly with reference to Chinese character specific implementations of the present invention be discussed, scope of the present invention is not limited to this respect.Embodiments of the present invention are applicable to the character that is suitable for overlapping hand-written any language equally.
As mentioned above, Fig. 1 shows the high level schematic diagram of the overlapping hand-written general process of explanation.In the prior art, the user is not shown the intermediate result of cutting apart.On the contrary, according to the embodiment of the present invention, can present and by the such segmentation result of user's modification, that is, by cutting apart the original overlapping hand-written one or more segmentations that obtain, this will be described in detail following to the user.
Fig. 2 shows the process flow diagram in the overlapping method of using in hand-written 200 according to the embodiment of the present invention.As shown in the figure, this method 200 wherein shows by cutting apart overlapping hand-written at least one segmentation that obtains the user in the beginning of step S205 place.This at least one segmentation is for example from being obtained with the module of cutting apart that generates one or more segmentations overlapping hand-written execution cutting procedure.Should be appreciated that can be when the user asks, and for example shows this segmentation when the user wants to proofread and correct wrong in the character string of identification.In addition or alternatively, segmentation can automatically show with the string of final identification.In some embodiments, segmentation can show via all graphic user interfaces as shown in Figure 5, below will be discussed in detail.
The base unit that segmentation is identified as successive character, and therefore should be corresponding with aforesaid single and whole character in the ideal case.Segmentation is made up of one or more strokes.Refer to basic and inseparable key element of character or segmentation as term used herein " stroke ".
Should be appreciated that at step S205, can revise or editable mode shows at least one segmentation.That is, make the user to select and handle one or more strokes or the whole segmentation of segmentation then.For this reason, the positional information that needs the segmentation stroke.Such information can obtain from previous cutting procedure.As known in the art, when user's overlapping hand-written execution is cut apart, for each segmentation that obtains, no matter the special algorithm that adopts how, can determine to be included in the positional information of each stroke in this segmentation.In other words, based on cutting procedure, the positional information of each stroke can be used for further use, for example, and the selection of stroke as discussed below or pick up.Therefore, for each point in the person's handwriting, segmentation or stroke that this point belongs to are confirmable.
In addition, the temporal information of each stroke also is obtainable.For example, can obtain the temporal information of stroke by the sequential write that is recorded in the user during hand-written.In practice, for example, when segmented structure was complicated, the user only may be difficult to position-based information and come to select specific stroke from segmentation.At this moment, in selecting stroke, can be individually or combining position information use the temporal information of stroke.For example, in a preferred embodiment, the timeline of the stroke that can draw under each segmentation makes the part that the user can the select time line, and selects the corresponding one or more strokes in the segmentation then.Being used for position-based and/or temporal information, to select other replacement schemes of stroke or part also be possible.
Should be appreciated that any current method existing or following exploitation can be used for carrying out overlapping hand-written cutting apart, and therefore can obtain position and/or the temporal information of stroke in a different manner.Scope of the present invention is not limited to this respect.
Next, at step S210, receive the request of cutting apart for correction.Under the situation of the one or more mistakes in the segmentation that shows in the user finds as step S205, he can initiate correction request in a number of ways.Then, at step S215, in response to the request that receives at step S210 place, revise at least one segmentation to obtain at least one new segmentation.Below will be discussed in detail the operation of step S210 and S215.
In preferred implementation of the present invention, at step S205, the user can move to receive request via one group of predefine, and can correspondingly carry out the modification to segmentation at step S210 place.Fig. 3 A-3F shows and can be used for some typical actions that the request correction is cut apart.
With reference to figure 3A, in some cases, cutting procedure may be divided into the person's handwriting of single character the segmentation more than one separation inadequately.For example, as shown in Fig. 3 A, it is " bright " that the user wants a Chinese character by overlapping handwriting input.Yet in cutting apart, the person's handwriting of this single character is divided into two independently segmentations, first segmentation 310 " day " and second segmentation " moon ".In order to proofread and correct such mistake, according to certain embodiments of the present invention, at the step S210 place of method 200, the user can ask to revise this in the following manner to be cut apart.
At first, the user can be for example by using indicating equipment (such as pen, pointer, finger or mouse) or clicking to select or pick up first segmentation by pressing specific button in the frame of first segmentation 310 or near it.Then, allow the user that selected first segmentation 310 is dragged to the predefine neighborhood of second segmentation 312, that is, drag to the position that distance between first and second segmentations 310 and 320 is lower than predefined threshold distance.In response, as shown in Fig. 3 A, when being combined as a segmentation 314 " bright ", first and second segmentations 310 and 320 will carry out modification.Should be appreciated that above-mentioned action only is or illustrative, and other actions also are possible.
On the other hand, the segmentation errors of another type is exactly opposite with as shown in Figure 3A situation, and wherein, the person's handwriting of the character of two or more separation is combined as single split improperly during cutting apart.Fig. 3 B shows such example.In this example, the user wants to import two Chinese characters " day " and " moon ", but segmentation engine generates single split 320 " bright ".According to the embodiment of the present invention, such mistake can be cut apart again to proofread and correct by in question segmentation is carried out.The user can ask to cut apart again by predefined action is carried out in segmentation.In some embodiments, predefined action can be for example double-click, long by or any other suitable action.Shown in Fig. 3 B, the user can carry out predefined action (for example, double-clicking) to segmentation 320 " bright ".Then, by using position and the temporal information of relevant stroke, can carry out again in response and cut apart, make segmentation 320 be divided into a lot of segmentations (being two segmentations 322 and 324) in the example shown in Fig. 3 B.Should be appreciated that double-click only is the illustrated examples that can be used for the predefine action that request cuts apart again, and other actions also are possible.
Fig. 3 C shows and situation like Fig. 3 category-B, and wherein during cutting apart, two or more segmentations are combined into single split inadequately.Yet different with Fig. 3 B, the segmentation of some combinations is very simple, and wherein each is formed (for example, only one or two stroke) by several strokes.According to the embodiment of the present invention, at this moment, the user can select by this part is dragged to predefined zone, and for example dummy section makes the part of drawing separate with segmentation simply, rather than calls and cut apart module and carry out again and cut apart.
A part that refers to the segmentation formed by one or more strokes as term used herein " part ".Should be appreciated that and to finish by selecting its stroke the selection of described part, and can finish by utilizing its position and/or temporal information the selection of stroke that this information can obtain from aforesaid fragmentation procedure.For example, in the time of any on the click stroke, can select this stroke.
Continue the example of Fig. 3 C, after selecting and dragging to the predefine zone, can from original segmentation, remove the part of operating, and will obtain new segmentation based on this part.Like this, a segmentation is divided into two, and this process can repeat before the result is correct always.Particularly, as shown in Fig. 3 C, Chinese character " people " and Chinese fullstop "." person's handwriting be combined as a segmentation 330 mistakenly.At this moment, the user can at first select the stroke of fullstop, and then selected stroke is dragged in the white space.In response, will from the combination segmentation 330 remove stroke ".", only stay " people ".In addition, the new segmentation of being made up of the part that drags 334 will be generated.The result is, obtain segmentation 332 " people " and 334 "." segmentation of these two separation.Only comprise a stroke though should be appreciated that the part of drawing shown in Fig. 3 C, embodiments of the present invention also are applicable to the part of being made up of a plurality of strokes
The segmentation errors of another kind of type relates to the order of two or more segmentations.Hand-written different with single character, overlapping when hand-written when utilizing, the user wants once to import a plurality of characters usually, for example, and phrase or even sentence.Therefore, recognition result should be guaranteed not only the correctness of each and each character, also will guarantee the suitable order of character string.For example, with reference to figure 3D, the user wants to import Chinese phrase " Ching Ming Festival " originally.Yet, owing to user's clerical mistake or segmentation errors causes segmentation 342 " bright " and 340 " joints " to be reversed.According to the embodiment of the present invention, the user can be for example by selecting segmentation and it being dragged to the order that segmentation is asked to proofread and correct in position in the fragment sequence.Then, the based target position is changed the order of this segmentation in this sequence.Particularly, as shown in Fig. 3 D, the user selects segmentation 340 " joint " and it is dragged to segmentation 342 " bright " position afterwards.In response, segmentation 340 and 342 order are changed.In some other embodiments, segmentation is dragged to the rearrangement that position in the white space for example also may cause this fragment sequence.
With reference now to Fig. 3 E,, shows another example of cutting apart correction.In this example, the stroke of segmentation 352 " state " (vertically stroke or " Shu ") by assignment improperly given second segmentation 350 " in ".That is, aforesaid unicursal mistake appears in cutting apart.The result is, segmentation 350 " in " many one, and segmentation 352 " state " has been lacked one, this is the identification error that causes probably two segmentations.According to the embodiment of the present invention, the user can ask to proofread and correct to handle such segmentation errors in the following manner.
Allow the user to select the part of the incorrect assignment of first segmentation, this part may comprise one or more strokes.Then, the selected part in first segmentation can be dragged to the predefine neighborhood of second segmentation that this part should belong to.In response to such action, with the modification of carrying out first segmentation and second segmentation, make selected part is removed from first segmentation and to add second segmentation to based on the position of for example relevant stroke and temporal information.Particularly, as shown in Fig. 3 E, the user can select the vertical stroke in the segmentation 350, and it is dragged to the predefine neighborhood of segmentation 352.In this mode, obtain the new segmentation 354 and 356 of two modifications.
In practice, find that the stroke of easy mistake is those strokes that two adjacent characters " border " are located, given another segmentation by assignment mistakenly because such stroke is most likely at during cutting apart.For example, one or more strokes of the beginning of segmentation may be assigned to a segmentation (for example, Fig. 3 E) that was right after before this segmentation.Similarly, last of segmentation or a plurality of stroke often are assigned to a segmentation that is right after after the segmentation of discussing.According to the embodiment of the present invention, in order to handle so common situation better, can provide specific action to allow the user easier and select stroke beginning or last of character exactly.The example of such action is to shake.For example, one or more strokes of beginning that can be by in the frame of segmentation, clicking and be moved to the left rapidly then to select this segmentation, and can be by in frame, clicking and promptly move right to select last one or more strokes.As mentioned above, consider a segmentation, because the availability of the temporal information (that is sequential write) of each stroke and cause to select that begin or last one or more strokes.Certainly, other actions for stroke beginning and/or last of selecting segmentation also are possible.Scope of the present invention is not limited to this respect.
Though note that the unicursal mistake has been shown in Fig. 3 E, what embodiments of the present invention were applicable to segmentation is given the situation of another segmentation more than one stroke by assignment mistakenly.
With reference to figure 3F, according to the embodiment of the present invention, can also allow the user to add one or more strokes to existing segmentation.Sometimes, the one or more strokes that cause to miss character owing to user's clerical mistake or segmentation errors.Therefore, compare with the character that the user wants to import at first, this segmentation may lack one or more strokes.In another case, the user may want to change on one's own initiative input.In either case, the user can add a part (that is, one or more strokes) to any existing segmentation, rather than from the beginning keys in again.In response, can generate new segmentation based in question segmentation and part.As shown in this Fig. 3 F, by adding stroke to segmentation 360 " people ", can generate another segmentation 362 " greatly " of being formed by segmentation 360 " people " and the part " " of adding.
From above discussion as can be seen, cut apart timing when request, make the user can select to comprise specific part or the whole segmentation of one or more strokes.For this reason, be used for the action that part selects and be used for the action that segmentation selects and distinguished by sufficiently clear ground.According to certain embodiments of the present invention, can realize this differentiation by the duration of pressing or clicking.For example, weak point is pressed or short click can be corresponding with the selection of stroke, and length is pressed or the length click is corresponding with the selection of whole segmentation.And for example, option or the mark that can provide the user to arrange.If this option or mark are set to first state, then action will be interpreted as the part selection.On the other hand, if option or mark are set to second state, then action will be selected for segmentation.These only are some illustrated examples.Can adopt for distinguishing to the selection of part with to any other mechanism of the selection of whole segmentation.
Should be appreciated that aforesaid action is configurable.That is, the user can add new action, removes action and/or revise existing action according to the state of his/her preference and/or equipment.Alternatively or in addition, can also by user's configuration with move relevant various parameters, such as above-mentioned predefine neighborhood (distance threshold), predefine zone and/or predefine position.
In addition, understandable as those skilled in the art of the present technique, Fig. 3 A-3E only show according to the embodiment of the present invention be used for cutting apart the action of correction and some illustratives and the nonrestrictive embodiment of corresponding operating.Consider above-mentioned instruction, those skilled in the art will expect cutting apart for request other actions of correction at an easy rate.In addition, the interactive means except action can be used for asking to proofread and correct cutting apart.For example, can be individually or use control as button, soft key and drop-down list to import correction request in combination.And for example, the user can directly key in specific predetermined command to initiate request.Scope of the present invention is not limited to these aspects.
Return Fig. 2, at step S220 place, during revising, highlight part or the segmentation operated.By highlighting the element of operating, the user can always know mutual focus, and avoids obscuring during revising.Highlight and to carry out with many different modes.For example, can change color, profile, shade, font and/or the size of the element of operation.Alternatively or in addition, the part that animation effect can be applied to operating and/or segmentation.
With reference to figure 4A-4B, show example according to the embodiment of the present invention, wherein highlight part or the segmentation of operating by fish-eye lens.In the example shown, when the user initiates operation to specific part (Fig. 4 A) or segmentation (Fig. 4 B), will in flake, show part or the segmentation of operating.For example, according to the part of operation or the motion of segmentation, can mobile flake during revising.Except the position, during handling, also can dynamically be updated in content displayed in the flake.For example, in the example as shown in Fig. 3 E, when user's first-selection was selected the stroke of segmentation 350, segmentation 350 and selected stroke were included in the flake, the change of the color of the stroke that may be allowed a choice simultaneously.When dragging to segmentation 352, can in flake, highlight selected stroke.At last, when stroke and segmentation 352 are combined, will in flake, show the segmentation that obtains.Should be appreciated that flake only is illustrated examples, and can use in conjunction with one or more other effects (for example, color change is as shown in Fig. 4 A-4B) that highlight.
Shall also be noted that because the user can select to enable/forbid highlighting of the element operated, so step S220 is optional.In addition, it can be configurable highlighting effect.That is, the user can add new effect, remove existing effect and/or dispose various correlation parameters according to his/her hobby or equipment state.
Next, in step S225, be identified at least one the new segmentation that obtains among the step S215, so that export one or more characters.Then, this method 200 stops.As mentioned above, any recognition methods existing or later exploitation may be used to convert segmentation to character, and scope of the present invention is not limited to this respect.In addition, because in some applications, the segmentation of expression user's original person's handwriting can be stored and directly be used under the situation of nonrecognition, so be optional among the step S225.The example of such application is that writing practising is used.
Fig. 5 shows the graphic user interface (GUI) that is suitable for using in putting into practice embodiments of the present invention.According to certain embodiments of the present invention, GUI500 can use with method 200, and can for example generate by the device of describing below with reference to Fig. 6 and Fig. 7 and present.
As shown in the figure, graphic user interface 500 comprises editing area 505, candidate characters zone 510, segmentation area 515, writes zone 520 and control area 525.In operation, the user can write a plurality of characters in overlapping mode in writing zone 520.Then, can carry out user hand-written cut apart and identified.Final character may be displayed in the editing area 505, and candidate list may be displayed in the candidate characters zone 510.Particularly, according to the embodiment of the present invention, can in segmentation area 515, show the one or more segmentations that obtain.For example, when the user found the identification error that causes owing to erroneous segmentation, he can carry out alternately with segmentation area 515 in the above described manner, so that proofread and correct the mistake of cutting apart (if any).After proofreading and correct, when having confirmed this, the user cuts apart when not having mistake, and can submit to this segmentation to be identified.Then, can correspondingly upgrade editing area 505 and candidate characters zone 510.Alternatively or in addition, can also make the segmentation result that the user can check and proofread and correct as show before carrying out identification in segmentation result district 515.In control area 525, one or more controls can be provided, as button, soft key or any other suitable control, the user can control overlapping hand-written processing by this control.
Should be appreciated that GUI500 as shown in Figure 5 only is illustrated examples.The GUI that is suitable for using in putting into practice embodiments of the present invention can comprise still less, extra and/or different assembly.Alternatively or in addition, the layout of the assembly on the GUI in other embodiments or arrange and to change.
Fig. 6 shows the simplified block diagram at the device 600 of overlapping hand-written use of being used for according to the embodiment of the present invention.As mentioned above, the device 600 the same GUI of GUI500 that can generate and present as shown in Figure 5.As shown in Figure 6, device 600 comprise cut apart display unit 605, correction request parts 610, cut apart and revise parts 615, revise that to highlight parts 620(optional) and character recognition parts 625(optional).
Cut apart display unit 605 and can be configured such that demonstration is by overlapping hand-written at least one segmentation that obtains of cutting apart.Correction request parts 610 can be configured to receive the request of cutting apart for correction.Segmentation is revised parts 615 and can be configured to, and revises at least one segmentation in response to the request that receives, to obtain at least one new segmentation.
Particularly, cut apart and revise parts 615 and can be configured to carry out in following one or multinomial: in response to the predefine neighborhood that first segmentation is dragged to second segmentation, first segmentation and second segmentation are combined into a segmentation; In response to the predefine on the part of first segmentation action, carry out first segmentation cut apart to obtain two or more segmentations again; Drag to the predefine zone in response to the part with first segmentation, from first segmentation, remove this part, and create new segmentation based on this part; Position in response to first segmentation being dragged in the fragment sequence changes the order of first segmentation in this sequence; Drag to the predefine neighborhood of second portion in response to the part with first segmentation, from first segmentation, remove this part, and add this part to second segmentation; And in response to adding this part to first segmentation, generate the new segmentation formed by first segmentation and the part of adding to replace first segmentation.
Cutting apart the operating period of revising parts 615, modification highlights parts 620 and can be configured to highlight part or the segmentation of operating.Character recognition parts 625 can be configured to carry out identification collaboratively with cutting apart modification parts 615, convert editable character to the segmentation after will proofreading and correct.
Should be appreciated that this device 600 can realize with hardware or special circuit, software, its any combination of logical OR.Therefore, the various parts of device 600 may be implemented as software module and/or hardware module, unit or assembly.
Above-mentioned process or the embodiment of method (for example, as method 200) shown in figure 2 can be realized by any proper device.Fig. 7 shows the simplified block diagram of the device 700 that is suitable for using in putting into practice embodiments of the present invention.In some embodiments, this device 700 may be implemented as portable terminal.Yet, should be appreciated that portable terminal has only illustrated the kind of means that can benefit from embodiments of the present invention, therefore should not be regarded as limiting the scope of embodiments of the present invention.
This device 700 comprises antenna 712(or a plurality of antenna that operationally communicates with transmitter 714 and receiver 716).Device 700 further comprises at least one processor or controller 720.Should be appreciated that controller 720 comprises the overlapping hand-written and logic function circuitry needed for implement device 700.For example, controller 720 can comprise digital signal processor device, micro processor, apparatus and various analog to digital converter, digital to analog converter and other support circuit.Device 700 control and the information processing function are distributed between these equipment according to the corresponding ability of these equipment.
In addition or alternatively, device 700 interfacing equipment or other user's input interfaces that can comprise such as operating rod.Device 700 further comprises battery 734, such as the vibration electric battery, is used for operating means 700 circuitry needed are powered, and provides mechanical vibration as detecting output alternatively.
In some embodiments, device 700 comprises the media capture element that communicates with controller 720, such as camera, video and/or audio module.The media capture element can be used to catching image, video and/or audio for any parts of storing, showing or transmit.For example, be in the illustrative embodiments of camera model 736 at the media capture element, camera model 736 can comprise the digital camera that can form digital image file according to the image of catching.When being embodied as portable terminal, device 700 can also comprise generic identity module (UIM) 738.UIM738 normally wherein is built-in with the memory devices of processor.UIM738 can comprise, for example, and subscriber identity module (SIM), Universal Integrated Circuit Card (UICC), universal subscriber identity module (USIM), removable user identity modules (R-UIM) etc.UIM card 738 storage usually has element with user-dependent information.
Embodiments of the present invention can also be implemented as computer program, comprise at least one computer-readable recording medium with storage computer readable program code part thereon.In such embodiment, computer readable program code partly comprises the code of the step that is used for the aforesaid method 200 of execution at least.
For the purpose of principle of the present invention is described, specific implementations more of the present invention have been described.As mentioned above, it is a kind of in overlapping hand-written use that embodiments of the present invention provide, and especially for making the user can alternatively proofread and correct method, device and the computer program of segmentation errors.According to the embodiment of the present invention, can with can revise or editable mode show by as by the overlapping hand-written segmentation that is obtained of user input.Particularly, the positional information and the temporal information (sequential write) that are included in each part (or stroke) in each segmentation are available, make the user can select any part of any segmentation, and for example use one group of predefine action to come to revise this part by expectation.The result is, provides a kind of effectively and easily mode to the user, can proofread and correct overlapping handwriting recognition results in this mode.Alternatively or in addition, the user checks and proofreaies and correct segmentation result before can also being chosen in and carrying out identification, and therefore guarantees that the segmentation that will identify does not have mistake.In fact, the correction of cutting apart can be before the character recognition, carry out with character recognition or after character recognition, and scope of the present invention is not limited in this respect.
Experiment shows, compares with the overlapping hand-written solution of prior art, has improved the efficient of proofreading and correct for the overlapping hand-written identification error that is caused by segmentation errors by embodiments of the present invention.In addition, because the user does not need to write again one or more characters knowledges under the situation of identification error, experience and satisfaction so improved the user.
Usually, can realize various illustrative embodiments with hardware or special circuit, software, its combination in any of logical OR.For example, some aspects can realize with hardware, and other aspects can still the invention is not restricted to this being realized by firmware or software that controller, microprocessor or other computing equipments are carried out.Though the various aspects of illustrative embodiments of the present invention can be illustrated and be described as block diagram, process flow diagram or use some other diagrammatic representations, but be well understood that these pieces as herein described, device, system, technology or method can be used as non-limiting embodiment and make up to realize with hardware, software, firmware, special circuit or logic, common hardware or controller or other computing equipments or its.
Shown in Fig. 2 various can be considered method step and/or the operation that obtains from the operation of computer program code and/or the logic circuit component that constitutes a plurality of couplings of carrying out correlation function.At least some aspects of illustrative embodiments of the present invention can be put into practice in the various assemblies such as integrated circuit (IC) chip and module, and can realize illustrative embodiments of the present invention in being embodied as the device of integrated circuit.Integrated circuit or circuit can comprise data processor, at least one of digital signal processor, baseband circuit and a radio circuit or a plurality of circuit (and possible firmware) that is configured to operate according to an illustrative embodiment of the invention for realizing.
For a person skilled in the art, when reading by reference to the accompanying drawings, according to aforementioned description, to the various modifications of aforementioned exemplary embodiment of the present invention, adaptive be apparent.Any He all modifications will still fall in the scope of non-limiting embodiment of the present invention and illustrative embodiments.In addition, the technician who benefits from the field that the embodiments of the present invention of the instruction that presents in aforementioned description and the relevant drawings belong to will instruct other embodiments of the present invention of setting forth here.
Therefore, should be appreciated that embodiments of the present invention are not limited to disclosed specific implementations, and modification is intended to be included in the appended claim scope with other embodiments.Although used specific term herein, use this specific only belonging in a generic and descriptive sense, rather than the purpose in order to limit.
Claims (37)
1. method that is used in overlapping hand-written use comprises:
Make to show by to overlapping hand-written at least one segmentation that obtains of cutting apart;
Reception is for proofreading and correct the described request of cutting apart; And
Revise described at least one segmentation to obtain at least one new segmentation in response to received request.
2. method according to claim 1, wherein said request are that the action via the user receives.
3. method according to claim 1, wherein said modification comprises:
In response to the predefine neighborhood that first segmentation is dragged to second segmentation, described first segmentation and described second segmentation are combined into a segmentation.
4. method according to claim 1, wherein said modification comprises:
In response to the predefine on the part of first segmentation action, carry out described first segmentation cut apart to obtain two or more segmentations again.
5. method according to claim 1, wherein said modification comprises:
Drag to the predefine zone in response to the part with first segmentation, from described first segmentation, remove described part, and create new segmentation based on described part.
6. method according to claim 1, wherein said modification comprises:
In response to the position that first segmentation is dragged in the fragment sequence, change the order of described first segmentation in described sequence.
7. method according to claim 1, wherein said modification comprises:
Drag to the predefine neighborhood of second segmentation in response to the part with first segmentation, from described first segmentation, remove described part, and add described part to described second segmentation.
8. method according to claim 7, wherein said part comprises last one or more strokes of described first segmentation, and described first segmentation was right after before described second segmentation.
9. method according to claim 7, wherein said part comprises one or more strokes of the beginning of described first segmentation, and described first segmentation is right after after described second segmentation.
10. method according to claim 1, wherein said modification comprises:
In response to adding a part to first segmentation, generate the new segmentation of the part that comprises described first segmentation and add to replace described first segmentation.
11. each the described method according among the claim 1-10 further comprises:
During described modification, highlight just operated part or segmentation.
12. each the described method according among the claim 1-10 further comprises:
At least one the new segmentation that obtains is identified as at least one character.
13. a device that is used in overlapping hand-written use comprises:
At least one processor; And
At least one storer of the program of storage computer-executable code;
Described at least one storer and described computer-executable code are configured to make described device at least with described at least one processor:
Make to show by to overlapping hand-written at least one segmentation that obtains of cutting apart;
Reception is for proofreading and correct the described request of cutting apart; And
Revise described at least one segmentation to obtain at least one new segmentation in response to received request.
14. device according to claim 13, wherein said at least one storer and described computer program code are configured to make described device receive request via user's action with described at least one processor.
15. device according to claim 13, wherein said modification comprises:
In response to the predefine neighborhood that first segmentation is dragged to second segmentation, described first segmentation and described second segmentation are combined into a segmentation.
16. device according to claim 13, wherein said modification comprises:
In response to the predefine on the part of first segmentation action, carry out described first segmentation cut apart to obtain two or more segmentations again.
17. device according to claim 13, wherein said modification comprises:
Drag to the predefine zone in response to the part with first segmentation, from described first segmentation, remove described part, and create new segmentation based on described part.
18. device according to claim 13, wherein said modification comprises:
In response to the position that first segmentation is dragged in the fragment sequence, change the order of described first segmentation in described sequence.
19. device according to claim 13, wherein said modification comprises:
Drag to the predefine neighborhood of second segmentation in response to the part with first segmentation, from described first segmentation, remove described part, and add described part to described second segmentation.
20. device according to claim 19, wherein said part comprise last one or more strokes of described first segmentation, and described first segmentation was right after before described second segmentation.
21. device according to claim 19, wherein said part comprise one or more strokes of the beginning of described first segmentation, and described first segmentation is right after after described second segmentation.
22. device according to claim 13, wherein said modification comprises:
In response to adding a part to first segmentation, generate the new segmentation of the part that comprises described first segmentation and add to replace described first segmentation.
23. according to each the described device among the claim 13-22, wherein said at least one storer and described computer program code are configured to further make described device at least with described at least one processor:
During described modification, highlight just operated part or segmentation.
24. according to each the described device among the claim 13-22, wherein said at least one storer and described computer program code are configured to further make described device at least with described at least one processor:
At least one the new segmentation that obtains is identified as at least one character.
25. a computer program comprises at least one computer-readable recording medium that stores the computer readable program code part on it, described computer readable program code partly comprises:
Be used for to make show by to the overlapping hand-written code of cutting apart at least one segmentation that obtains;
Be used for receiving the code for proofreading and correct the described request of cutting apart; And
Be used for revising described at least one segmentation to obtain the code of at least one new segmentation in response to received request.
26. computer program according to claim 25, the described code that wherein is used for the reception described request comprises the code that receives described request for the action via the user.
27. computer program according to claim 25, the described code that wherein is used for revising comprises:
Be used in response to the predefine neighborhood that first segmentation is dragged to second segmentation described first segmentation and described second segmentation being combined into the code of a segmentation.
28. computer program according to claim 25, the described code that wherein is used for revising comprises:
For the code of cutting apart to obtain two or more segmentations again that moves to carry out in response to the predefine on the part of first segmentation to described first segmentation.
29. computer program according to claim 25, the described code that wherein is used for revising comprises:
Be used in response to the part with first segmentation drags to the predefine zone removing described part and creating the code of new segmentation based on described part from described first segmentation.
30. computer program according to claim 25, the described code that wherein is used for revising comprises:
Be used for changing described first segmentation at the code of the order in described sequence in response to the position that first segmentation is dragged to fragment sequence.
31. computer program according to claim 25, the described code that wherein is used for revising comprises:
Be used for removing described part and described part being added to the code of described second segmentation from described first segmentation in response to the part with first segmentation drags to the predefine neighborhood of second segmentation.
32. computer program according to claim 31, wherein said part comprise last one or more strokes of described first segmentation, and described first segmentation was right after before described second segmentation.
33. computer program according to claim 31, wherein said part comprise one or more strokes of the beginning of described first segmentation, and described first segmentation is right after after described second segmentation.
34. computer program according to claim 25, the described code that wherein is used for revising comprises:
Be used in response to generating the new segmentation of the part that comprises described first segmentation and add to replace the code of described first segmentation to first segmentation interpolation part.
35. according to each the described computer program among the claim 25-34, wherein said computer readable program code part further comprises:
Be used for during described modification, highlighting the code of just operated part or segmentation.
36. according to each the described computer program among the claim 25-34, wherein said computer readable program code part further comprises:
Be used at least one the new segmentation that obtains is identified as the code of at least one character.
37. an equipment that is used in overlapping hand-written use comprises:
Be used for to make show by to the overlapping hand-written device of cutting apart at least one segmentation that obtains;
Be used for receiving the device for proofreading and correct the described request of cutting apart; And
Be used for revising described at least one segmentation to obtain the device of at least one new segmentation in response to received request.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2010/079383 WO2012071730A1 (en) | 2010-12-02 | 2010-12-02 | Method, apparatus, and computer program product for overlapped handwriting |
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| CN103299254A true CN103299254A (en) | 2013-09-11 |
| CN103299254B CN103299254B (en) | 2016-09-14 |
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| JP (1) | JP2013546081A (en) |
| KR (1) | KR101548835B1 (en) |
| CN (1) | CN103299254B (en) |
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| TW (1) | TW201237764A (en) |
| WO (1) | WO2012071730A1 (en) |
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| CN105830011A (en) * | 2013-12-17 | 2016-08-03 | 微软技术许可有限责任公司 | User interface for overlapping handwritten text input |
| CN106663189A (en) * | 2014-04-04 | 2017-05-10 | 迈思慧公司 | System and method for superimposed handwriting recognition technology |
| CN109389873A (en) * | 2017-08-08 | 2019-02-26 | 育远管理亚太私人有限公司 | Computer system and by computer implemented training system |
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| US9898187B2 (en) | 2013-06-09 | 2018-02-20 | Apple Inc. | Managing real-time handwriting recognition |
| CN104504411B (en) * | 2014-12-24 | 2018-04-20 | 英华达（上海）科技有限公司 | The 3 D-printing model building device and method of a kind of handwriting |
| JP6399217B2 (en) * | 2015-05-14 | 2018-10-03 | 富士通株式会社 | Character recognition method, character recognition device, and character recognition program |
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Also Published As
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| KR20130093672A (en) | 2013-08-22 |
| JP2013546081A (en) | 2013-12-26 |
| TW201237764A (en) | 2012-09-16 |
| WO2012071730A1 (en) | 2012-06-07 |
| HK1189066A1 (en) | 2014-05-23 |
| CN103299254B (en) | 2016-09-14 |
| KR101548835B1 (en) | 2015-09-11 |
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