CN105354834B - A kind of method and device for counting papery text font number - Google Patents
A kind of method and device for counting papery text font number Download PDFInfo
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- CN105354834B CN105354834B CN201510671163.7A CN201510671163A CN105354834B CN 105354834 B CN105354834 B CN 105354834B CN 201510671163 A CN201510671163 A CN 201510671163A CN 105354834 B CN105354834 B CN 105354834B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000004075 alteration Effects 0.000 claims description 5
- 230000006870 function Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 4
- 239000011800 void material Substances 0.000 description 3
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- 238000004321 preservation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
- G06V10/225—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition based on a marking or identifier characterising the area
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30242—Counting objects in image
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Abstract
The invention discloses it is a kind of take pictures statistics papery text number of words method and device, can solution must not effectively count the problem of papery text font is total.This method includes：Instructed according to the word counting of reception, start the image information of camera function collection papery text；Total font number of the papery text is counted according to the image information of the papery text.By using this method, camera function that can be based on electronic equipment and the word counting that papery text is fast and effectively realized with reference to image recognition processing technology, the statistics of papery text written person or reader to papery text number of words is facilitated, improves user experience.
Description
Technical field
The present embodiments relate to image identification technical field, more particularly to a kind of side for statistics papery text number of words of taking pictures
Method and device.
Background technology
With the arrival of digital Age, people prefer to carry out study and work by electronic equipment.Therefore many articles,
Mail etc. exists all in the form of electronics original text, nevertheless, the use of papery text still have in daily life it is irreplaceable
Status, such as Party membership application, application form, students' work also exist all or in the form of handwritten paper papery text.
Compared with e-text, papery text cannot be whole based on the easy geo-statistic of electronic equipment as e-text
The number of words of piece article.Particularly with the papery handwritten text without grid and the e-text printed, if it is desired to statistics
Its text total number of word, can only be carried out in a manner of several, therefore the statistic processes of text number of words is extremely troublesome.There is presently no one
The effective method of kind can be with the number of words of express statistic papery text.
The content of the invention
, must not be quick with solution the purpose of the present invention is to propose to a kind of method and device for statistics papery text number of words of taking pictures
The problem of effectively counting papery text font number.
On the one hand, an embodiment of the present invention provides a kind of method for statistics papery text number of words of taking pictures, including：
Instructed according to the word counting of reception, start the image information of camera function collection papery text；
Total font number of the papery text is counted according to the image information of the papery text.
On the other hand, an embodiment of the present invention provides a kind of device for statistics papery text number of words of taking pictures, including：
Image information collecting module, for being instructed according to the word counting of reception, starts camera function collection papery text
Image information；
Text word counting module, for counting total word of the papery text according to the image information of the papery text
Body number.
There is provided in the embodiment of the present invention it is a kind of take pictures statistics papery text number of words method and device, can solution must not
The problem of effectively statistics papery text font is total.The method of statistics papery text number of words provided in an embodiment of the present invention of taking pictures,
Instructed first according to the word counting of reception, start the image information of camera function collection papery text, then according to papery text
This image information is with regard to that can count total font number of papery text.By using this method, it is quick electronic equipment can be based on
The effective word counting for realizing papery text, facilitates the statistics of papery text written person or reader to text number of words, carries
User experience is risen.
Brief description of the drawings
Fig. 1 is a kind of flow diagram of the method for statistics papery text number of words of taking pictures that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of the method for statistics papery text number of words of taking pictures provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of structure diagram of the device for statistics papery text number of words of taking pictures that the embodiment of the present invention four provides.
Embodiment
Further illustrate technical scheme below with reference to the accompanying drawings and specific embodiments.It is appreciated that
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for illustrating
, for the ease of description, part related to the present invention rather than entire infrastructure are illustrate only in attached drawing.
Embodiment one
Fig. 1 is a kind of flow diagram of the method for statistics papery text number of words of taking pictures that the embodiment of the present invention one provides,
This method can by take pictures statistics papery text number of words device perform, wherein the device can by software and/or hardware realization, and
Generally it is integrated in electronic equipment.As shown in Figure 1, this method includes：
Step 101, according to the word counting of reception instruct, start camera function collection papery text image information.
In the present embodiment, the word counting instruction specifically can refer to：For triggering the carryings such as mobile phone, tablet computer shooting
The electronic equipment of head starts the instruction that camera function carries out papery text image information gathering.Word counting instruction can be
The dress of statistics papery text number of words of taking pictures in the electronic device is installed when carrying out papery text word counting by artificially triggering
Put to be formed.
In the present embodiment, after the electronic equipment such as mobile phone or tablet computer receives word counting instruction, can start
The electronic product camera function of itself, takes pictures the content of papery text based on camera function, thus can gather paper
The image information of matter text.It should be noted that the image information of collection is maintained in electronic equipment, believed based on these images
Breath can repeatedly carry out corresponding papery text the statistics of font number.
Further, instructed according to the word counting of reception, start the image letter that camera function gathers the papery text
Breath, specifically includes：
Obtain the total page number information of the papery text；
Instructed according to the word counting of reception and start camera function, gathered and preserve the page figure of all pages of the papery text
As information.
In the present embodiment, the papery text specifically can refer to the text based on Chinese character, and common papery text has hand
Write part or article and the disk-draft printed or article etc..Usually, the total page number of the papery text is at least 1,
So before text number of words is counted, the total page number information of papery text can be first determined, so as to adopting for papery text image information
Collection.
In the present embodiment, according to word counting instruct start camera function after, can page for unit to papery text
All pages progress image information collectings, regard a page image information as by every page.Specifically, the page figure of all pages of papery text
As information is stored in the memory space of electronic equipment, the page image of all pages of papery text is then chosen in the form of thumbnail
Information, thus starts the statistics to the total font number of papery text.
Step 102, total font number according to the image information of the papery text statistics papery text.
In the present embodiment, the page image information based on all pages of the papery text can count the total of papery text
Font number.Specifically, the process based on all pages of page image information statistics papery text total number of word can be described as：Gather paper
After the page image information of all pages of matter text, based on every page of page image information identify every page page image information present it is main
Color (primary color usually, identified is font color and papery color)；Secondly, based in every page of page image information
In aberration between the primary color that identifies, determine position of the font in corresponding page image information, and be based on font location
Count the quantity between two fonts there are gap above and below in page image information；Afterwards, the void count based on statistics determines corresponding page
The font line number of image information, the high and average word of average word are wide；Then, it is font line number based on corresponding page image information, average
The wide page font number for determining corresponding page image information of the high and average word of word；Most all pages of page font number addition is asked at last
With the sum of page font number calculated is exactly total font number of corresponding papery text.
In the present embodiment, it is necessary to illustrate, the figure of different papery texts can be gathered when gathering image information successively
As information and preserve, calculate total font number of different papery texts successively again afterwards, utilize total font of papery text
Different papery texts can also be compared in number, by asking poor calculating to total font number, realize different papery texts it
Between length size comparison, so as to conveniently find out the more or less papery text of font number.
The method for a kind of statistics papery text number of words of taking pictures that the embodiment of the present invention one provides, first according to the number of words of reception
Statistics instruction, starts the image information of camera function collection papery text, then can just be united according to the image information of papery text
Count total font number of papery text., can the camera function combination image recognition based on electronic equipment by using this method
Treatment technology fast and effectively realizes the word counting of papery text, facilitates papery text written person or reader to papery text
The statistics of this number of words, improves user experience.
Embodiment two
Fig. 2 is a kind of flow diagram of the method for statistics papery text number of words of taking pictures provided by Embodiment 2 of the present invention,
The present embodiment is optimized based on above-described embodiment, by step " according to the image information of papery text statistics
Total font number of papery text " is further optimized for step：Determined according to the page image information of all pages of the papery text
The page font number of every page of page image information；The sum of all pages page font number is calculated, by the sum of described page font number
Total font number as the papery text.
Meanwhile and step " is determined into every page of page image information according to the page image information of all pages of the papery text
Page font number " further embody.
As shown in Fig. 2, a kind of method of statistics papery text number of words of taking pictures provided by Embodiment 2 of the present invention, including it is as follows
Step：
Step 201, the total page number information for obtaining the papery text.
In the present embodiment, the acquiring way of papery text total page number information is not unique.Usually, can take pictures system in triggering
After the device startup for counting papery text number of words, it is directly received word counting instruction, carry out figure in startup camera function afterwards
During as information gathering, determine whether that continuing pictorial information adopts based on the prompting frame ejected on electronic equipment screen
Collection, can be taken pictures collection after Image Acquisition is carried out to last of papery text by prompting frame selection end.In addition, papery
The acquisition of the total page number information of text is preferably, after the device that triggering starts statistics papery text number of words of taking pictures, based on electricity
The dialog box of the acquisition papery text total page number information ejected on sub- device screen, total page of papery text is manually entered by user
Number information, and then the word counting triggered in click " definite " button after input after being formed instructs, then based on number of words
The triggering of statistics instruction starts camera function.
Step 202, instruct startup camera function according to the word counting of reception, gathers and preserves the papery text and owns
The page image information of page.
In the present embodiment, after camera function is started, taken pictures to the papery text in units of page, thus adopted
Collect the page image information of all pages of papery text and preserve into the memory space of electronic equipment.
Step 203, identified according to the page image information of all pages of the papery text every page page image information font
Color and papery color, the position of font in every page of page image information is determined by the aberration of the font color and papery color
Put.
In the present embodiment, the page image information of all pages of the papery text based on collection, can be to every page of page image
Information carries out image recognition, the different colours in image recognition processes in primary focus identification page image information, generally can be with
Identify that font color (such as black, blueness or red) in page image information and papery color are (such as white or light yellow
Deng).
After the font color in identifying corresponding page image information and papery color, so that it may the aberration based on two kinds of colors
Determine position of the font in page image information, while the lattice of a page image information can be also analyzed using image processing techniques
Office is mainly the ranks arrangement of font color, and there are the gap of papery color composition between font color.
Step 204, the quantity for counting in every page of page image information gap between two fonts up and down, determine every page of page image
The font line number of information and average word are high wide with word.
In the present embodiment, the page image information for every page, can determine paper after being handled by image recognition technology
The arrangement general layout of font in matter text.Arrangement general layout based on ranks form can further determine that every page of page image information has
Line number, while based on the font color identified, can also determine that the high and average word of average word of font in page image information is wide.
In the present embodiment, determining the process of every page of page image information font line number can be briefly described as：It is primarily based on
The arrangement general layout of font in the papery text identified, determines that the gap between two row font colors up and down is papery color；Then,
Statistically between lower two font colors existing papery color quantity, that is, count papery text up and down between two fonts gap number
Amount；Finally, the font line number of every page of page image information is determined based on the void count counted.Exemplary, for any
For the page image information of page, if the void count that this page of page image information counts is h, the word of this page of page image information
Body line number H is just h+1.
Meanwhile each font in page image information can be also directly determined based on the font color and papery color identified
Width and the often height of row font, are then sampled the set width value of multiple fonts, the font based on these fonts
It is wide that width value can estimate corresponding page image average word of all fonts into information；In addition, based on the font line number determined
With the font height of every row font, it may further determine that out that the average word of all fonts in corresponding page image information is high.
Step 205, high according to the font line number and average word and word is wide, and the page image information of every page of statistics is often gone
It is middle left and right two fonts between gap quantity M and often go in punctuation mark quantity m.
In the present embodiment, can base after determining that every page of the font line number of page image information, average word are high and word is wide
In the font line number, average word is high and the wide row font number to every row font of word counts.It should be noted that true
, it is necessary to first count the quantity M in gap between two fonts of left and right in often the going of corresponding page image information before fixed often capable row font number
With the quantity m of punctuation mark.
Further, the gap between two fonts of the left and right is not less than the papery face of the wide a quarter of average word for width
Color；The punctuation mark is high wide no more than average word height and the font of the wide half of average word with word for word.
In the present embodiment, the process of the quantity M in gap can be briefly described as between two fonts of left and right during statistics is often gone：According to
The font line number counted, based on papery color corresponding page image information often go in two font of left and right gap quantity into
Row statistics, wherein, the gap in often going between two fonts of left and right is the papery color identified, and the width of the papery color is not
The a quarter wide less than average word.Therefore, in any row of corresponding page image information, paper between two font of left and right counted
The quantity of matter color is the quantity in gap between two font of the row or so, and the quantity in the gap counted is denoted as M.
In addition, the statistic processes of the quantity m of punctuation mark can be briefly described as in often going：First, according to calibration point symbol
Judgment rule " if the word of font is high and wide all high no more than the average word and wide half of word of word, then it is assumed that be punctuate
Symbol " judges whether each font is punctuation mark；Then, can be by the number of punctuation mark if meeting punctuation mark judgment rule
Amount m adds 1, wherein the value of initial m is 0.Finally, after the font in any row has all judged, it may be determined that the punctuate symbol in the row
Number amount is m.
Step 206, according to it is described often go in left and right two fonts between gap quantity M and often go in punctuation mark quantity
M, determines often capable row font number N, wherein N=M+1-m.
In the present embodiment, the punctuation mark as the quantity M in gap between counting in every row two fonts of left and right and in often going
Quantity m after, often capable row font number N, and N=M+1-m can be calculated.The row font number calculated can be stored in electronic equipment
Caching in, the calculating for page font number afterwards.
The sum of row font number of all rows in step 207, the page image information of every page of calculating, by the row font number
The sum of as corresponding page page image information page font number.
In the present embodiment, it is necessary to choose all pages of papery text after the completion of the image information collecting of papery text
The thumbnail of page image information, so that the page font number of the page image information to choosing counts successively.By above-mentioned steps
Understand, the page font number of page image information is exactly the sum of row font number of all rows in this page of image information.Wherein, calculate
The page font number of the page image information gone out is also stored in the caching of electronic equipment, for the total font number of papery text afterwards
Calculating.
The sum of step 208, the page font number for calculating all pages, using the sum of described page font number as papery text
This total font number.
In the present embodiment, the page font number of the page image information calculated according to step 207, can be again to all pages
Page font number summation, therefore, to be counted the sum of all page font numbers also of total font number of papery text.
In addition, after total font number of papery text is counted, can also to total font numbers of different papery texts into
Row compares.Comparison process is mainly：Total font number of two different papery texts is chosen, it is carried out to seek difference operation, thus
Determine the more papery text of number of words.Further, poor is asked two-by-two to total font number of different papery texts, can be used for
Find out the more or less papery text of total font number.
The method of a kind of statistics papery text number of words of taking pictures provided by Embodiment 2 of the present invention, first according to the number of words of reception
Statistics instruction, starts the page image information of camera function all pages of papery text of collection, then according to all pages of papery text
Page image information finally carries out all pages of page font number with regard to that can count the page font number of every page of page image information
Read group total is with regard to that can count total font number of papery text., can taking pictures based on electronic equipment by using this method
Function combination image recognition processing technology fast and effectively realizes the word counting of papery text, facilitates papery text written person
Or reader further improves user experience to the statistics of papery text number of words.
Embodiment three
Fig. 3 is a kind of structure diagram of the device for statistics papery text number of words of taking pictures that the embodiment of the present invention four provides, should
Device can be built in the electronic device by software and/or hardware realization as a part for electronic equipment.As shown in figure 3,
The device specifically includes：Image information collecting module 301 and text word counting module 302.
Image information collecting module 301, for being instructed according to the word counting of reception, starts camera function collection papery text
This image information.
Text word counting module 302, for counting the papery text according to the image information of the papery text
Total font number.
The device for a kind of statistics papery text number of words of taking pictures that the embodiment of the present invention three provides, in image information collecting module
After 301 receive word counting instruction, start the image information of camera function collection papery text；Then in text word counting
Module 302 realizes the statistics of the total font number of papery text according to the image information of papery text.Using the device, electricity can be passed through
The camera function combination image recognition processing technology of sub- equipment fast and effectively realizes the word counting of papery text, facilitates paper
Thus matter text written person or reader improve user experience to the statistics of papery text number of words.
On the basis of above-described embodiment, described image information acquisition module 301, is specifically used for：Obtain the papery text
This total page number information；Instructed according to the word counting of reception and start camera function, gathered and preserve the papery text and own
The page image information of page.
On the basis of above-described embodiment, the text word counting module 302, including：Page font number determination unit,
Page font number for the page image information that every page is determined according to the page image information of all pages of the papery text；Total font
The sum of number determination unit, the page font number for calculating all pages, using the sum of described page font number as the papery
Total font number of text.
Further, the page font number determination unit, is specifically used for：According to the page figure of all pages of the papery text
As information identifies the font color and papery color of every page of page image information, pass through the font color and the color of papery color
The position of font in difference page image information every page definite；Count the number in gap between two fonts above and below in every page of page image information
Amount, determines the font line number of every page of page image information and average word is high and word is wide；According to every page of font line number and
Average word is high and word is wide, the quantity M in gap and often goes between two fonts of left and right in often the going of the page image information of every page of statistics
The quantity m of punctuation mark；According to it is described often go in left and right two fonts between gap quantity M and often go in punctuation mark quantity
M, determines often capable row font number N, wherein N=M+1-m；Calculate the row font number of all rows in every page of page image information
The sum of, the page font number using the sum of described row font number as the page image information of corresponding page.
On the basis of above-described embodiment, gap between two fonts of the left and right for width be not less than average word it is wide by four/
One papery color；The punctuation mark is high wide no more than the high font with the wide half of word of average word with word for word.
It should be noted that the device of the statistics papery text number of words of taking pictures carried based on the present invention, gathers image information
When can gather image information and the preservation of different papery texts successively, calculate total word of different papery texts successively again afterwards
Body number, can also be compared different papery texts using total font number of papery text, by total font number
The comparison asked poor calculating, realize length size between different papery texts so that it is more or less conveniently to find out font number
Papery text.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
It can include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (4)
- A kind of 1. method for statistics papery text number of words of taking pictures, it is characterised in that including：Instructed according to the word counting of reception, start the image information of camera function collection papery text；The page font number of every page of page image information is determined according to the page image information of all pages of the papery text, including：The font color and papery color of every page of page image information are identified according to the papery text image information, by described Font color and the aberration of papery color determine the position of font in every page of page image information；The quantity in gap between two fonts above and below in every page of page image information is counted, determines the font row of every page of page image information Number and average word are high wide with word；Wherein, the set width and height value of multiple fonts are sampled, based on multiple fonts The wide and average word of average word that set width value and height value estimate all fonts in corresponding page image information respectively is high；It is high and word is wide according to the font line number and average word, two fonts of left and right in often the going of the page image information of every page of statistics Between gap quantity M and often go in punctuation mark quantity m；According to it is described often go in left and right two fonts between gap quantity M and often go in punctuation mark quantity m, determine often row Row font number N, wherein N=M+1-m；The sum of row font number of all rows in every page of page image information is calculated, by described in Page font number of the sum of the row font number as the page image information of corresponding page；The sum of all pages page font number is calculated, total font using the sum of described page font number as the papery text Number；Wherein, the gap in often going between two fonts of left and right is the papery color identified, and the gap between two fonts of the left and right is Width is not less than the papery color of the wide a quarter of average word；The punctuation mark is high wide high no more than average word with word for word With the font of the wide half of word.
- 2. according to the method described in claim 1, it is characterized in that, described instruct according to the word counting of reception, startup is taken pictures Function gathers the image information of the papery text, specifically includes：Obtain the total page number information of the papery text；Instructed according to the word counting of reception and start camera function, gathered and preserve the page image letter of all pages of the papery text Breath.
- A kind of 3. device for statistics papery text number of words of taking pictures, it is characterised in that including：Image information collecting module, for being instructed according to the word counting of reception, starts the figure of camera function collection papery text As information；Page font number determination unit, for determining every page of page image according to the page image information of all pages of the papery text The page font number of information, including：The font color and papery color of every page of page image information are identified according to the papery text image information, by described Font color and the aberration of papery color determine the position of font in every page of page image information；The quantity in gap between two fonts above and below in every page of page image information is counted, determines the font row of every page of page image information Number and average word are high wide with word；Wherein, the set width and height value of multiple fonts are sampled, based on multiple fonts The wide and average word of average word that set width value and height value estimate all fonts in corresponding page image information respectively is high；It is high and word is wide according to the font line number and average word, two fonts of left and right in often the going of the page image information of every page of statistics Between gap quantity M and often go in punctuation mark quantity m；According to it is described often go in left and right two fonts between gap quantity M and often go in punctuation mark quantity m, determine often row Row font number N, wherein N=M+1-m；The sum of row font number of all rows in every page of page image information is calculated, using the sum of described row font number as corresponding The page font number of the page image information of page；The sum of total font number determination unit, page font number for calculating all pages, the sum of described page font number is made For total font number of the papery text；Wherein, the gap in often going between two fonts of left and right is the papery color identified, and the gap between two fonts of the left and right is Width is not less than the papery color of the wide a quarter of average word；The punctuation mark is high wide high no more than average word with word for word With the font of the wide half of word.
- 4. device according to claim 3, it is characterised in that described image information acquisition module, is specifically used for：Obtain the total page number information of the papery text；Instructed according to the word counting of reception and start camera function, gathered and preserve the page image letter of all pages of the papery text Breath.
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| CN101097600A (en) * | 2006-06-29 | 2008-01-02 | 北大方正集团有限公司 | A font recognition method and system |
| CN101251892A (en) * | 2008-03-07 | 2008-08-27 | 北大方正集团有限公司 | A character segmentation method and device |
| CN102063619A (en) * | 2010-11-30 | 2011-05-18 | 汉王科技股份有限公司 | Character row extraction method and device |
| CN102902969A (en) * | 2012-08-22 | 2013-01-30 | 北京壹人壹本信息科技有限公司 | Hand input text display layout method and electronic device |
| CN103975342A (en) * | 2012-01-12 | 2014-08-06 | 柯法克斯公司 | Systems and methods for mobile image capture and processing |
| CN104766076A (en) * | 2015-02-28 | 2015-07-08 | 北京奇艺世纪科技有限公司 | Detection method and device for video images and texts |
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| US20100331043A1 (en) * | 2009-06-23 | 2010-12-30 | K-Nfb Reading Technology, Inc. | Document and image processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101097600A (en) * | 2006-06-29 | 2008-01-02 | 北大方正集团有限公司 | A font recognition method and system |
| CN101251892A (en) * | 2008-03-07 | 2008-08-27 | 北大方正集团有限公司 | A character segmentation method and device |
| CN102063619A (en) * | 2010-11-30 | 2011-05-18 | 汉王科技股份有限公司 | Character row extraction method and device |
| CN103975342A (en) * | 2012-01-12 | 2014-08-06 | 柯法克斯公司 | Systems and methods for mobile image capture and processing |
| CN102902969A (en) * | 2012-08-22 | 2013-01-30 | 北京壹人壹本信息科技有限公司 | Hand input text display layout method and electronic device |
| CN104766076A (en) * | 2015-02-28 | 2015-07-08 | 北京奇艺世纪科技有限公司 | Detection method and device for video images and texts |
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