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CN105183473A - Erasing frame range determining method and system - Google Patents

Erasing frame range determining method and system Download PDF

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Publication number
CN105183473A
CN105183473A CN201510564625.5A CN201510564625A CN105183473A CN 105183473 A CN105183473 A CN 105183473A CN 201510564625 A CN201510564625 A CN 201510564625A CN 105183473 A CN105183473 A CN 105183473A
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CN
China
Prior art keywords
height
width
frame
erasing
word
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510564625.5A
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Chinese (zh)
Inventor
叶洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shirui Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Shirui Electronics Co Ltd filed Critical Guangzhou Shirui Electronics Co Ltd
Priority to CN201510564625.5A priority Critical patent/CN105183473A/en
Publication of CN105183473A publication Critical patent/CN105183473A/en
Priority to PCT/CN2016/090734 priority patent/WO2017041588A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)

Abstract

The invention relates to a method and a system for determining the range of an erasing frame, wherein the method comprises the following steps: after triggering erasing, determining the coverage of an object to be erased according to selection operation; carrying out track identification on the coverage range of the determined object to obtain an object; carrying out edge detection on the object to obtain the height and the width of the object; and determining the erasing range of the erasing frame according to the height and the width of the object. According to the method and the system for determining the range of the erasing frame, after the coverage range of the object needing to be erased is determined, the content of the object is obtained through track identification, then the height and the width of the object are detected in an edge detection mode, and finally the erasing range of the erasing frame is determined on the basis of the height and the width of the object, so that the range of the erasing frame can be determined according to the size of the object needing to be erased, and the erasing effect is good.

Description

The range determining method of erasing frame and system
Technical field
The present invention relates to field of computer technology, particularly relate to range determining method and the system of erasing frame.
Background technology
In field of computer technology, when user is unsatisfied with the content such as image, word generated, need to wipe it.Such as, the word that people are write by writing software on the equipment such as mobile phone, electronic whiteboard, panel computer, or by the picture that drawing software is created, wrongly write word if run into or be unsatisfied with the creation object on screen, user generally can wipe corresponding contents.
The common practices of erasing selects size/pixel value to limit an erasing frame according to one, such as: during erasing writing word, generally has the erasing frame of multiple range size to select, such as, and 1 × 1,2 × 2.But these erasing frame sizes are not generally mated with the size of content, cause wiping weak effect.
Summary of the invention
Based on this, be necessary to provide a kind of range determining method and system of wiping frame, erasing effect can be improved.
Wipe a range determining method for frame, comprise the following steps:
After triggering erasing, determine according to selection operation the object coverage needing erasing;
Determine that object coverage carries out track identification to described, obtain the content of object;
Rim detection is carried out to the content of object, obtains height and the width of object;
The erasing scope of wiping frame is determined according to the height of described object and width.
The range determining method of above-mentioned erasing frame, obtained the content of object by track identification after determining to need the object coverage of erasing, then the height and width that obtain object is detected in the mode of rim detection, that based on the height of object and width, finally determines erasing frame clashes scope, thus the object size that can wipe as required determines the scope of wiping frame, erasing effect is better.
Wherein in an embodiment, the described content to object also comprises before carrying out the step of rim detection:
Described object comprises word, then by optical character identification to detect the shape of bright, dark pattern determination object, and the shape of object is converted to word.
When object comprises word, by the mode detected object of optical character identification, the word in object can be identified, other trace countermeasure around this word can be got rid of simultaneously, the word converted is made to be complete word in coverage, in the track of such as " with rubber ", if coverage comprises the whole word of rubber and the partial content with, skin, just only have a rubber word after identifying conversion, thus erasing by mistake can be avoided not need the content of wiping.
Wherein in an embodiment, described object is single word, and the described height according to described object and width determine that the step of the erasing scope of wiping frame comprises:
With the height of this word for wiping the height of frame, with the width of this word for wiping the width of frame;
Or
Described object is multiple word, and the described height according to described object and width determine that the step of the erasing scope of wiping frame comprises:
Height and the width of wiping frame is obtained according to the height of character arrangement, each word and width calculation.
Wherein in an embodiment, if multiple word is transversely arranged, the described height according to character arrangement, each word and width calculation obtain the erasing height of frame and the step of width comprises:
Calculate average height and the overall width of multiple word, and with the average height of multiple word for wiping the height of frame, with the overall width of multiple word for wiping the width of frame;
If multiple word longitudinal arrangement, the described height according to character arrangement, each word and width calculation obtain the erasing height of frame and the step of width comprises:
Calculate overall height and the mean breadth of multiple word, and with the overall height of multiple word for wiping the height of frame, with the mean breadth of multiple word for wiping the width of frame.
For multiple words of arrangement, using mean value as the height of erasing frame or width, when wiping handwritten text, erasing by mistake can be avoided not need the word wiped.
Wherein in an embodiment, the described height according to described object and width also comprise after determining the step of the erasing scope of wiping frame:
According to height and the width of the adjusted value adjustment erasing frame preset; Wherein, described default adjusted value be highly 2 or 3 pixels tall and, width be 2 or 3 pixel wide and.
Erasing frame through adjustment can not cover on the basis not needing the content of wiping, and covers all contents needing erasing as far as possible.
Wipe a scope certainty annuity for frame, comprising:
Select module, for after triggering erasing, determine according to selection operation the object coverage needing erasing;
Identification module, for determining that object coverage carries out track identification to described, obtains the content of object;
Detection module, for carrying out rim detection to the content of object, obtains height and the width of described object;
Determination module, for determining the erasing scope of wiping frame according to the height of described object and width.
The scope certainty annuity of above-mentioned erasing frame, obtained the content of object by track identification after determining to need the object coverage of erasing, then the height and width that obtain object is detected in the mode of rim detection, that based on the height of object and width, finally determines erasing frame clashes scope, thus the object size that can wipe as required determines the scope of wiping frame, erasing effect is better.
Wherein in an embodiment, also comprise:
Modular converter, comprises word for described object, then by optical character identification to detect the shape of bright, dark pattern determination object, and the shape of object is converted to word.
When object comprises word, by the mode detected object of optical character identification, the word in object can be identified, other trace countermeasure around this word can be got rid of simultaneously, the word converted is made to be complete word in coverage, such as the track of " with rubber ", if coverage comprises the whole word of rubber and the partial content with, skin, just only have a rubber word after identifying conversion, thus erasing by mistake can be avoided not need the content of wiping.
Wherein in an embodiment, described object is single word, and described determination module performs the described height according to described object and width determines that the process of the erasing scope of wiping frame is further used for:
With the height of this word for wiping the height of frame, with the width of this word for wiping the width of frame;
Or
Described object is multiple word, and described determination module performs the described height according to described object and width determines that the process of the erasing scope of wiping frame is further used for:
Height and the width of wiping frame is obtained according to the height of character arrangement, each word and width calculation.
Wherein in an embodiment, if multiple word is transversely arranged, described determination module performs the described height according to character arrangement, each word and width calculation obtains the erasing height of frame and the process of width is further used for:
Calculate average height and the overall width of multiple word, and with the average height of multiple word for wiping the height of frame, with the overall width of multiple word for wiping the width of frame;
If multiple word longitudinal arrangement, described determination module performs the described height according to character arrangement, each word and width calculation obtains the erasing height of frame and the process of width is further used for:
Calculate overall height and the mean breadth of multiple word, and with the overall height of multiple word for wiping the height of frame, with the mean breadth of multiple word for wiping the width of frame.
Wherein in an embodiment, also comprise:
Adjusting module, for wiping height and the width of frame according to the adjusted value adjustment preset; Wherein, described default adjusted value be highly 2 or 3 pixels tall and, width be 2 or 3 pixel wide and.
Erasing frame through adjustment can not cover on the basis not needing the content of wiping, and covers all contents needing erasing.
Accompanying drawing explanation
Fig. 1 is the range determining method process flow diagram of an embodiment erasing frame;
Fig. 2 is the range determining method schematic flow sheet of another embodiment erasing frame;
Fig. 3 is the scope schematic diagram of an embodiment erasing word;
Fig. 4 is the scope certainty annuity structural representation of an embodiment erasing frame.
Embodiment
Below in conjunction with accompanying drawing, the range determining method of erasing frame of the present invention and system are described.
Refer to Fig. 1, Fig. 1 is the range determining method process flow diagram of an embodiment erasing frame.
Wipe a range determining method for frame, comprise the following steps:
Step S101: after triggering erasing, determines according to selection operation the object coverage needing erasing;
In step S101, if carry out selection operation on the touchscreen, then the scope formed when can be user's finger touch is selected, and also can be by finger or other instruments, the scope circle that screen is drawn; Object can comprise word and/or image.
Step S103: determine that object coverage carries out track identification to described, obtain the content of object;
In one embodiment, the described content to object can also comprise before carrying out the step of rim detection:
By optical character identification to detect the shape of bright, dark pattern determination object, and the shape of object is converted to word; Wherein, described object comprises word.
When object comprises word, by the mode detected object of optical character identification, the word in object can be identified, other trace countermeasure around this word can be got rid of simultaneously, the word converted is made to be complete word in coverage, such as the track of " with rubber ", if coverage comprises the whole word of rubber and the partial content with, skin, just only have a rubber word after identifying conversion, thus erasing by mistake can be avoided not need the content of wiping.
Step S105: carry out rim detection to the content of object, obtains height and the width of described object;
In step S105, obtain the height of object by the mode of rim detection and width determines that the scope of wiping frame provides foundation in order to follow-up.
Step S107: determine the erasing scope of wiping frame according to the height of described object and width.
In one embodiment, described object is single word, and the described height according to described object and width determine that the step of the erasing scope of wiping frame can comprise:
With the height of this word for wiping the height of frame, with the width of this word for wiping the width of frame;
Or
Described object is multiple word, and the described height according to described object and width determine that the step of the erasing scope of wiping frame can comprise:
Height and the width of wiping frame is obtained according to the height of character arrangement, each word and width calculation.
When object is multiple word, what different character arrangements was corresponding different calculates the mode of wiping frame scope.
Further, in one embodiment, if multiple word is transversely arranged, the described height according to character arrangement, each word and width calculation obtain the erasing height of frame and the step of width can comprise:
Calculate average height and the overall width of multiple word, and with the average height of multiple word for wiping the height of frame, with the overall width of multiple word for wiping the width of frame;
If multiple word longitudinal arrangement, the described height according to character arrangement, each word and width calculation obtain the erasing height of frame and the step of width can comprise:
Calculate overall height and the mean breadth of multiple word, and with the overall height of multiple word for wiping the height of frame, with the mean breadth of multiple word for wiping the width of frame.
For multiple words of arrangement, using mean value as the height of erasing frame or width, when wiping handwritten text, erasing by mistake can be avoided not need the word wiped.
In one embodiment, the described height according to described object and width can also comprise after determining the step of the erasing scope of wiping frame:
According to height and the width of the adjusted value adjustment erasing frame preset; Wherein, described default adjusted value be highly 2 or 3 pixels tall and, width be 2 or 3 pixel wide and.
Erasing frame through adjustment can not cover on the basis not needing the content of wiping, and covers all contents needing erasing.
The range determining method of above-mentioned erasing frame, obtained the content of object by track identification after determining to need the object coverage of erasing, then the height and width that obtain object is detected in the mode of rim detection, the last erasing scope determining erasing frame based on the height of object and width, thus the object size that can wipe as required determines the scope of wiping frame, erasing effect is better.
In order to further describe the range determining method of erasing frame of the present invention in detail, be described below in conjunction with embody rule example.
The concrete operations that this embody rule example wipes handwritten text for user are described.
Refer to Fig. 2, Fig. 2 is the range determining method schematic flow sheet of another embodiment erasing frame.
Step S201: user selects erasing rubber (namely wiping frame), and clicks on the track of handwritten form, prepares to carry out erase operation;
By OCR (OpticalCharacterRecognition, optical character identification), step S202: with the current location of erasing rubber and size for sensing range, identifies whether the object that the scope clicked comprises comprises text;
Step S203: if recognize text, then judge it is single word or multiple word further;
Step S204: if single word, then pass through rim detection, calculate the person's handwriting scope of this word, can be adjusted by the adjusted value of 2 to 3 pixels again with the height of this word and width, obtain new erasing rubber overlay area, to be adjusted in the position of erasing rubber and size with this and to match with this word, wherein adjusted value can set according to different application environment.
Step S205: if multiple word, judges that text is transverse direction or longitudinal arrangement;
Step S206: if multiple word is transversely arranged, then calculate the average height of word and the centre coordinate of vertical direction, and arrange height and the upright position of erasing rubber with this.Also can calculate average height and the overall width of multiple word, using average height as the height of erasing rubber, using overall width as the width of erasing rubber simultaneously.Can cover the word that erasing rubber institute " covers ", user also can move up and down, to adapt to the fluctuation of text point in the process dragging erasing rubber; Otherwise terminate.
Step S207: if multiple word, and longitudinal arrangement, then calculate the mean breadth of word and the centre coordinate of horizontal process, and arrange width and the horizontal level of erasing rubber with this.Also can calculate mean breadth and the overall height of multiple word, using mean breadth as the width of erasing rubber, using overall height as the height of erasing rubber simultaneously.
Step S208: the size of adjustment erasing rubber.
Meanwhile, for multiple word, also the width of erasing rubber and height can be adjusted slightly according to adjusted value, the such as scope of height control 2 to 3 pixels, the scope of width adjustment 2 to 3 pixels.
Fig. 3 is the scope schematic diagram of an embodiment erasing word, wherein light rectangle frame region is the initial size of erasing rubber, dark rectangular frame is the size reaffirmed, the written handwriting of light areas, by the identification of OCR, the interference of person's handwriting around can be removed, judge that center section is a complete word " use "; On this basis, by the scope of person's handwriting in the middle of edge detection calculation, and then the size of adjustment erasing rubber." use " notes around can be avoided after adjustment to be wiped by mistake, when particularly carrying out erase operation on the touchscreen, owing to there is no mouse moving event, namely can not the size of preview erasing rubber, when automatically not adjusting erasing rubber, be easy to erasing by mistake occurs.
Refer to Fig. 4, Fig. 4 is the scope certainty annuity structural representation of an embodiment erasing frame.
Wipe a scope certainty annuity for frame, comprising:
Select module 310, for after triggering erasing, determine according to selection operation the object coverage needing erasing;
Identification module 330, for determining that object coverage carries out track identification to described, obtains the content of object;
Detection module 350, for carrying out rim detection to the content of object, obtains height and the width of described object;
Determination module 370, for determining the erasing scope of wiping frame according to the height of described object and width.
The scope certainty annuity of above-mentioned erasing frame, obtained the content of object by track identification after determining to need the object coverage of erasing, then the height and width that obtain object is detected in the mode of rim detection, that based on the height of object and width, finally determines erasing frame clashes scope, thus the object size that can wipe as required determines the scope of wiping frame, erasing effect is better.
In one embodiment, the scope certainty annuity of the erasing frame of the present embodiment can also comprise:
Modular converter, for by optical character identification to detect the shape of bright, dark pattern determination object, and the shape of object is converted to word; Wherein, described object comprises word.
When object comprises word, by the mode detected object of optical character identification, the word in object can be identified, other trace countermeasure around this word can be got rid of simultaneously, the word converted is made to be complete word in coverage, such as the track of " with rubber ", if coverage comprises the whole word of rubber and the partial content with, skin, just only have a rubber word after identifying conversion, thus erasing by mistake can be avoided not need the content of wiping.
In one embodiment, described object is single word, and described determination module 370 performs the described height according to described object and width determines that the process of the erasing scope of wiping frame can be further used for:
With the height of this word for wiping the height of frame, with the width of this word for wiping the width of frame;
Or
Described object is multiple word, and described determination module 370 performs the described height according to described object and width determines that the process of the erasing scope of wiping frame can be further used for:
Height and the width of wiping frame is obtained according to the height of character arrangement, each word and width calculation.
In one embodiment, if multiple word is transversely arranged, described determination module 370 performs the described height according to character arrangement, each word and width calculation obtains the erasing height of frame and the process of width may be used for further:
Calculate average height and the overall width of multiple word, and with the average height of multiple word for wiping the height of frame, with the overall width of multiple word for wiping the width of frame;
If multiple word longitudinal arrangement, described determination module 370 performs the described height according to character arrangement, each word and width calculation obtains the erasing height of frame and the process of width can be further used for:
Calculate overall height and the mean breadth of multiple word, and with the overall height of multiple word for wiping the height of frame, with the mean breadth of multiple word for wiping the width of frame.
For multiple words of arrangement, using mean value as the height of erasing frame or width, when wiping handwritten text, erasing by mistake can be avoided not need the word wiped.
Wherein in an embodiment, the scope certainty annuity of the erasing frame of the present embodiment can also comprise:
Adjusting module, for wiping height and the width of frame according to the adjusted value adjustment preset; Wherein, described default adjusted value be highly 2 or 3 pixels tall and, width be 2 or 3 pixel wide and.
Erasing frame through adjustment can not cover on the basis not needing the content of wiping, and covers all contents needing erasing.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. wipe a range determining method for frame, it is characterized in that, comprise the following steps:
After triggering erasing, determine according to selection operation the object coverage needing erasing;
Determine that object coverage carries out track identification to described, obtain the content of object;
Rim detection is carried out to the content of object, obtains height and the width of object;
The erasing scope of wiping frame is determined according to the height of described object and width.
2. the range determining method of erasing frame according to claim 1, is characterized in that, the described content to object also comprises before carrying out the step of rim detection:
By optical character identification to detect the shape of bright, dark pattern determination object, and the shape of object is converted to word; Wherein, described object comprises word.
3. the range determining method of erasing frame according to claim 2, is characterized in that, described object is single word, and the described height according to described object and width determine that the step of the erasing scope of wiping frame comprises:
With the height of this word for wiping the height of frame, with the width of this word for wiping the width of frame;
Or
Described object is multiple word, and the described height according to described object and width determine that the step of the erasing scope of wiping frame comprises:
Height and the width of wiping frame is obtained according to the height of character arrangement, each word and width calculation.
4. the range determining method of erasing frame according to claim 3, is characterized in that, if multiple word is transversely arranged, the described height according to character arrangement, each word and width calculation obtain the erasing height of frame and the step of width comprises:
Calculate average height and the overall width of multiple word, and with the average height of multiple word for wiping the height of frame, with the overall width of multiple word for wiping the width of frame;
If multiple word longitudinal arrangement, the described height according to character arrangement, each word and width calculation obtain the erasing height of frame and the step of width comprises:
Calculate overall height and the mean breadth of multiple word, and with the overall height of multiple word for wiping the height of frame, with the mean breadth of multiple word for wiping the width of frame.
5. the range determining method of erasing frame according to claim 1, is characterized in that, the described height according to described object and width also comprise after determining the step of the erasing scope of wiping frame:
According to height and the width of the adjusted value adjustment erasing frame preset; Wherein, described default adjusted value be highly 2 or 3 pixels tall and, width be 2 or 3 pixel wide and.
6. wipe a scope certainty annuity for frame, it is characterized in that, comprising:
Select module, for after triggering erasing, determine according to selection operation the object coverage needing erasing;
Identification module, for determining that object coverage carries out track identification to described, obtains the content of object;
Detection module, for carrying out rim detection to the content of object, obtains height and the width of described object;
Determination module, for determining the erasing scope of wiping frame according to the height of described object and width.
7. the scope certainty annuity of erasing frame according to claim 6, is characterized in that, also comprise:
Modular converter, for by optical character identification to detect the shape of bright, dark pattern determination object, and the shape of object is converted to word; Wherein, described object comprises word.
8. the scope certainty annuity of erasing frame according to claim 7, is characterized in that, described object is single word, and described determination module performs the described height according to described object and width determines that the process of the erasing scope of wiping frame is further used for:
With the height of this word for wiping the height of frame, with the width of this word for wiping the width of frame;
Or
Described object is multiple word, and described determination module performs the described height according to described object and width determines that the process of the erasing scope of wiping frame is further used for:
Height and the width of wiping frame is obtained according to the height of character arrangement, each word and width calculation.
9. the scope certainty annuity of erasing frame according to claim 8, it is characterized in that, if multiple word is transversely arranged, described determination module performs the described height according to character arrangement, each word and width calculation obtains the erasing height of frame and the process of width is further used for:
Calculate average height and the overall width of multiple word, and with the average height of multiple word for wiping the height of frame, with the overall width of multiple word for wiping the width of frame;
If multiple word longitudinal arrangement, described determination module performs the described height according to character arrangement, each word and width calculation obtains the erasing height of frame and the process of width is further used for:
Calculate overall height and the mean breadth of multiple word, and with the overall height of multiple word for wiping the height of frame, with the mean breadth of multiple word for wiping the width of frame.
10. the scope certainty annuity of erasing frame according to claim 6, is characterized in that, also comprise:
Adjusting module, for wiping height and the width of frame according to the adjusted value adjustment preset; Wherein, described default adjusted value be highly 2 or 3 pixels tall and, width be 2 or 3 pixel wide and.
CN201510564625.5A 2015-09-07 2015-09-07 Erasing frame range determining method and system Pending CN105183473A (en)

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CN201510564625.5A CN105183473A (en) 2015-09-07 2015-09-07 Erasing frame range determining method and system
PCT/CN2016/090734 WO2017041588A1 (en) 2015-09-07 2016-07-20 Eraser box range determination method and system

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CN109032463B (en) * 2018-07-19 2019-11-05 掌阅科技股份有限公司 Take down notes method for deleting, electronic equipment and computer storage medium

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