CN106293185A - Hand-written table recognition methods and equipment - Google Patents

Hand-written table recognition methods and equipment Download PDF

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Publication number
CN106293185A
CN106293185A CN201510305645.0A CN201510305645A CN106293185A CN 106293185 A CN106293185 A CN 106293185A CN 201510305645 A CN201510305645 A CN 201510305645A CN 106293185 A CN106293185 A CN 106293185A
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China
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point
form line
hand
ruling
written
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Chinese (zh)
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张庆久
乐宁
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Sharp Corp
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Sharp Corp
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Priority to CN201510305645.0A priority Critical patent/CN106293185A/en
Priority to PCT/CN2016/084680 priority patent/WO2016192664A1/en
Publication of CN106293185A publication Critical patent/CN106293185A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Image Analysis (AREA)

Abstract

The present invention relates to hand-written table recognition methods and equipment.The method includes: detection form line;Determine the longest crossing vertical form line and the longest water-glass ruling;Calculate the bounding rectangles just covering all form lines;For each form line, bounding rectangles extends, obtain the Virtual table ruling of correspondence;Calculate the position of the central point of the frame divided by Virtual table ruling and form line;Each central point is divided into internal point and external point, and wherein internal point is the central point surrounded by form line;Internal point being grouped, if the path between adjacent inner point is not stopped by form line, the most described internal point belongs to identical group;The frame combination corresponding to the internal point of identical group will be belonged to, be formed as cell;And identify the handwritten content in unit lattice.Hand-written table recognition methods according to embodiments of the present invention and equipment, it is possible to hand-written table is identified efficient and highly accurately.

Description

Hand-written table recognition methods and equipment
Technical field
The present invention relates to hand-written table identification technology, more particularly, to a kind of hand-written table identification side Method and equipment, it is possible to identify hand-written table efficient and highly accurately and extract content therein.
Background technology
Along with the development of information technology, electronic equipment (such as, personal digital assistant, hand-held electricity Brain, mobile phone) etc. use more and more universal in the life of people.These electronic equipments defeated Enter mode and substantially can be divided into input through keyboard and the big class of handwriting input two.Keyboard entry method is adopted With the keyboard on electronic equipment, each button in user point beating keyboard inputs.Hand-written Input mode receives the input of user by the touch screen of electronic equipment, processes input To identify the content of user's input.This needs electronic equipment to have higher identification ability, the most right Its accuracy rate identified proposes higher requirement.
Chinese patent application 200710178961.1 proposes a kind of hand-written table identification equipment.This sets For extracting hand-written table from input content.But, this equipment supposes that the size of table is more than certain Individual threshold value, and suppose to there are not irregular table unit lattice.
Therefore, there is too much parameter and limit in the method for prior art, and this will have a strong impact on institute The scene that can apply.Such as, most existing methods according to the line width of specific form line and Line length extracts form line.Additionally, the irregular unit of method None-identified of prior art Lattice.These methods are only capable of the cell processing regular shape.
Accordingly, it would be desirable to a kind of mechanism that can hand-written table be identified efficient and highly accurately.
Summary of the invention
Present disclosure proposes a kind of hand-written table recognition methods and equipment, it is possible to efficient and highly accurately Identify hand-written table the content extracting in table.
According to an aspect of the present invention, it is proposed that a kind of hand-written table recognition methods, including: inspection Survey form line;Calculate the bounding rectangles just covering all form lines;For each form line, Bounding rectangles extends, obtains the Virtual table ruling of correspondence;Calculate by Virtual table ruling and table The position of the central point of the frame that ruling divides;Each central point is divided into internal point and external point, Wherein internal point is the central point surrounded by form line;Internal point is grouped, if adjacent inner Path between point is not stopped by form line, and the most described internal point belongs to identical group;To belong to Combine in the frame corresponding to the internal point of identical group, be formed as cell;And identify that each is single Handwritten content in unit's lattice.
Preferably, detection form line includes: calculate the size of average stroke;Length is much larger than The Stroke discrimination of average stroke size is form line.
Preferably, detection form line also includes: whether detection form line exists flex point on path; And the form line that there is flex point is divided into single form line at flex point.
Preferably, the bounding rectangles calculating all form lines of covering just comprises determining that crossing The longest vertical form line and the longest water-glass ruling;It is the longest that calculating covering just is intersected Vertical form line and the bounding rectangles of the longest water-glass ruling.
Preferably, if the top of two root table rulings is at a distance of the pixel less than predetermined number, then recognize It is that two root table rulings intersect.
Preferably, be divided into internal point and external point also to include each central point: will with adjacent outside The internal point that portion's point is separated by Virtual table ruling changes into external point;And execution above-mentioned steps, Until not having internal point to be changed to external point.
According to the second aspect of the invention, it is provided that a kind of hand-written table identification equipment, including table Ruling detection module, is configured to detect form line;Table area detection module, is configured to Calculate the bounding rectangles just covering all form lines;List structure identification module, for each table Ruling, extends on the bounding rectangles that table area detection module is calculated, and obtains the void of correspondence Intend form line;Calculate the position of the central point of the frame divided by Virtual table ruling and form line; Each central point is divided into internal point and external point, during wherein internal point is surrounded by form line Heart point;Internal point is grouped, if the path between adjacent inner point is not stopped by form line, The most described internal point belongs to identical group;The frame combination corresponding to the internal point of identical group will be belonged to, Be formed as cell;And table unit lattice content extraction module, it is configured to identify unit Handwritten content in lattice.
Unlike the prior art, hand-written table recognition methods and equipment according to embodiments of the present invention exists Many aspects improve the performance of hand-written table identification, at least include:
Even if 1. there is different size of table in sample space, it is also possible to detect these different big Little table;
Even if 2. there is irregular cell, it is also possible to correctly identify the structure of table;
3. for direction and the threshold value not requirement pre-set of table.Such as, big for character Little not restriction, nor need the priori about threshold value.
Accompanying drawing explanation
By the preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, by making, the present invention's is above-mentioned And other objects, features and advantages are clearer, wherein:
Fig. 1 shows the schematic block diagram of hand-written table identification equipment according to embodiments of the present invention.
Fig. 2 shows the table of an example, wherein illustrate only form line.
Fig. 3 shows the table shown in Fig. 2, illustrated therein is Virtual table ruling.
Fig. 4 shows the structure of the table shown in Fig. 2.
Fig. 5 shows the central point division result of the table shown in Fig. 2.
Fig. 6 shows the final analysis result to the table shown in Fig. 2.
Fig. 7 shows the division result of the central point of the table of another example.
Fig. 8 shows the flow chart of hand-written table recognition methods according to embodiments of the present invention.
Detailed description of the invention
Referring to the drawings, the example embodiment of the present invention is described in detail.Retouch following In stating, some specific embodiments are only used for describing purpose, and should not be construed and have the present invention Any restriction, and the example of the simply present invention.It is mixed the understanding of the present invention may be caused to cause When confusing, conventional structure or structure will be omitted.
Fig. 1 shows the schematic block of hand-written table identification equipment 100 according to embodiments of the present invention Figure.This hand-written table identification equipment 100 includes: handwriting input trapping module 110, form line are examined Survey module 120, table area detection module 130, list structure identification module 140 and table unit lattice Content extraction module 150.
Handwriting input trapping module 110 is for capturing the handwriting input content of user.Such as, exist Line data capture module can be touch screen and the processor of hand-written table identification equipment, and user utilizes Writing pencil or finger input the most on the touchscreen, and it is defeated that processor records user in real time The stroke entered.
Table line detecting module 120 is configured to detect form line.According to an embodiment, can Form line is identified with the size according to stroke.Such as, average stroke size is calculated.If one The size of a little strokes is much larger than average stroke size, then it is assumed that these strokes are form lines.This is Because the length that the form line of level is in the horizontal direction is at least above the length of a stroke, hang down Straight form line length in vertical direction is at least above the length of a stroke.Therefore, logical Cross and compare the size/length of stroke and can identify form line.
Table area detection module 130 is configured to detect table area, i.e. calculates and just covers The bounding rectangles of lid form line.In one embodiment, divide according to the length of the form line of detection The other form line to level and vertical form line are ranked up.Select the longest vertical form line The longest water-glass ruling.Check the longest vertical form line and the longest water-glass ruling it Between whether intersect.If both intersect, then mean to there is a table.Calculate and just can cover Cover the longest vertical form line and the bounding rectangles of the longest water-glass ruling intersected, obtained Bounding rectangles be the table area existing for table.Table is to be limited by the form line intersected vertically Region, therefore, by detect whether exist intersect form line, it may be determined whether Table, and by detecting the longest form line intersected, it may be determined that the region of table.Due to hands The randomness write, two form lines may will not intersect just.Therefore, according to an embodiment, If the top of two root table rulings is at a distance of the pixel less than predetermined number, then it is assumed that two root table rulings Intersect.Such as, the pixel of predetermined number can be 10 pixels.Additionally, in the present embodiment, " level " and " vertically " that be previously mentioned also needs not to be horizontal and vertical completely, and detects To form line also need not to be straight line.In reality, user's hand-drawn line is unlikely to be the most straight Line, it is also not possible to be horizontal and vertical completely.It may for instance be considered that at vertical " 10% " Line in the range of Zuo You is vertical line, and the line in the range of " 15% " left and right of level is Horizontal line.In another embodiment, table can be detected by detecting the coordinate of form line Lattice region.Such as, detection is positioned at the most left and the rightest form line, as the horizontal extent of table, Detection is positioned at the form line of highest and lowest, as the vertical range of table, then calculates and covers table Go up most, under, the bounding rectangles of the most left and the rightest form line, as the region of table.
List structure identification module 140 is configured to the structure of identification table.First, for all of Form line L, extends on bounding rectangles, obtains the Virtual table ruling Lv of correspondence.Virtual tables Form line L corresponding for line Lv has identical direction.Such as, if Virtual table ruling Be horizontal line, then it is line from left to right in the input space.If Virtual table ruling is vertical Straight line, then it is line from top to bottom in the input space.Fig. 2 shows the table of an example, Wherein thick lines represent the form line detected.Fig. 3 shows the table shown in Fig. 2, wherein shows Having gone out the Virtual table ruling of correspondence, wherein hachure represents Virtual table ruling.Such as, for water Flat form line, the Virtual table ruling of its correspondence is on bounding rectangles at same vertical position, respectively Extend the line obtained to the left and to the right.For vertical form line, the Virtual table ruling of its correspondence is Place located horizontally from the emitter on bounding rectangles, extend the line obtained the most up and down.In other words, Form line is extended on bounding rectangles, available corresponding Virtual table ruling.Therefore, border Rectangle is divided into multiple frame by Virtual table ruling or form line.Then, according to the position of each frame, Calculate the position of the central point of each frame.Fig. 4 shows the structure of the table of an example, wherein Show the central point of each frame.Then, central point is divided into internal point and external point.If One central point is surrounded on four direction by form line, and the most lower left and right all exists form Line, then it is assumed that this central point is internal point.Here, the most whether central point exists Form line is not limited to the form line/Virtual table ruling of its place frame, and refers to that it is in the direction Above, in bounding rectangles, whether there is form line.If at least one direction of a central point On there is not form line, i.e. it only exists Virtual table ruling at least one direction, then recognize It is external point for this central point.Fig. 5 shows the division result of the central point of the table of an example. Then, central point is grouped.If the path between two adjacent central points is not by form line Stopped, i.e. be Virtual table ruling between two central points, then it is assumed that the two central point belongs to In identical group.It is combined as a cell by belonging to the frame corresponding to the internal point of identical group, Even if the cell obtained is irregularly shaped.It is final that Fig. 6 shows the table shown in Fig. 2 Analysis result.
Handwritten content in the table unit lattice content extraction module 150 unit lattice to being identified It is identified.
Fig. 1 also show display 160.Hand-written table identification equipment 100 can be by recognition result Display is on display 160.For example, it is possible to represent different cells with different background colours, User is made to easily verify that unit lattice.In some instances, display is also this equipment Touch screen.
According to an embodiment, table line detecting module 120 also includes that stroke splits module 1210, It is configured to the form line of even pen is divided into single form line.User connects pen sometimes and writes out phase Adjacent form line.Needed to separate these form lines being connected before carrying out hand-written table identification. Whether detection form line exists flex point, if there is flex point on their path, then it is assumed that this A little form lines are the form lines of even pen, split by these form lines, obtain multiple list at flex point Root table ruling.
According to an embodiment, in list structure identification module 140 is additionally configured to for identifying Portion's point and external point perform adjustment, the internal point change that will separate by Virtual table ruling with external point For external point.Such as, Fig. 7 shows the division result of central point of table of an example.Should Table in example and the table shown in Fig. 5 differ only in rightmost form line unclosed, Therefore, whether the internal point obtained and external point division knot are surrounded by form line according to central point Fruit is as shown in Fig. 7 (a).In this embodiment, list structure identification module 140 is for dividing knot Fruit is adjusted, and the internal point separated by Virtual table ruling with adjacent external point is changed into outside Point.That is, for the central point of frame of the second row first row in Fig. 7 (a), changed into External point, obtains the division result shown in Fig. 7 (b).This is because in this example, table The L-shaped region in the lower left corner does not form a cell closed, and therefore, is not the one of table Part.List structure identification module 140 performs repeatedly to adjust for division result, until in not having Till portion's point is changed to external point, i.e. all of central point has been adjusted by.
Fig. 8 shows the flow chart of hand-written table recognition methods 800 according to embodiments of the present invention. Hand-written table recognition methods according to embodiments of the present invention is applied to handwriting input device, and user is at hands Write and on input equipment, carry out handwriting input.When needs identify that user inputs, real according to the present invention The hand-written table recognition methods executing example starts.First, at step S810, detect form line. Then, at step S820, calculate the bounding rectangles just covering all form lines.Permissible It is determined by the longest vertical form line that intersects and the longest water-glass ruling, calculates and just cover Cover the longest vertical form line and the bounding rectangles of the longest water-glass ruling intersected, covered Cover the bounding rectangles of all form lines.At step S830, for each form line, on limit Extend on boundary's rectangle, obtain the Virtual table ruling of correspondence, calculate by Virtual table ruling and form line The position of the central point of the frame divided.Each central point is divided into internal point and external point, wherein Internal point is the central point surrounded by form line.By internal point be grouped, if adjacent inner point it Between path do not stopped by form line, the most described internal point belongs to identical group.Phase will be belonged to With the combination of the frame corresponding to internal point of group, be formed as cell.Finally, in step S840 Place, identifies the handwritten content in unit lattice.
In step S810, form line can be identified according to the size of stroke.Such as, meter Calculate average stroke size.If the size of some strokes is much larger than average stroke size, then it is assumed that These strokes are form lines.This is because the length that the form line of level is in the horizontal direction is at least More than the length of a stroke, vertical form line length in vertical direction is at least above one The length of individual stroke.Therefore, the size/length by comparing stroke can identify form line.Root According to this embodiment, can identify that there is different size of table.Because interior in different size of table Container has different stroke sizes.According to average stroke size relatively detect form line not Need to pre-set any threshold value, it is not required that know set threshold value.
In step S820, can be according to the length of the form line of detection table to level respectively Ruling and vertical form line are ranked up, then identify intersect the longest vertical form line and The longest water-glass ruling.Due to hand-written randomness, two form lines may phase just Hand over.Therefore, according to an embodiment, if the top of two root table rulings is at a distance of less than predetermined number Purpose pixel, then it is assumed that two root table rulings intersect.Such as, the pixel of predetermined number can be 10 Individual pixel.
The form line detected in step S810 is probably many root tables ruling of connection.Therefore, In step S810, also include that the form line by even pen is divided into the step of single form line.With Family connects pen sometimes and writes out adjacent form line.Needed these before carrying out hand-written table identification The form line being connected separates.Whether detection form line exists flex point on their path, as There is flex point in fruit, then it is assumed that these form lines are the form lines of even pen, are being turned by these form lines Split at Dian, obtain multiple single form line.
The internal point obtained in step S830 and external point may need to adjust further.At this In the case of Zhong, the internal point separated by Virtual table ruling with external point is changed into external point.Pin Perform repeatedly to adjust to division result, until not having internal point to be changed to external point.
Hand-written table recognition methods and equipment according to embodiments of the present invention can apply to online handwriting Input equipment, including flat board PC, has the desktop PC of touch screen, mobile phone, PDA etc. There is the electronic equipment of online handwriting input function.User can be carried out on this electronic equipment Handwriting input and editor.Hand-written table can be identified by electronic equipment efficient and highly accurately. Such as, hand-written table recognition methods according to embodiments of the present invention, can after identifying a table To identify further for hand-written space, to identify other table that may be present.Due to Utilize stroke size to identify form line, so the size for table does not limit.With existing skill Art uses threshold value, will be greater than the stroke of threshold value and be considered as the technology of form line and compare, according to this The method of bright embodiment can identify that different size of table is without arranging any threshold value.Additionally, By the structure of table is analyzed, even if table exists irregular cell, it is also possible to just True ground recognition unit lattice.
Other of the embodiment of the present invention disclosed herein arrange the side including performing formerly to summarize The software program of the steps and operations of method embodiment.More specifically, computer program be as Under a kind of embodiment: there is computer-readable medium, on computer-readable medium coding have meter Calculating machine program logic, when performing on the computing device, computer program logic provides relevant Operation, thus technique scheme is provided.When holding at least one processor in the system of calculating During row, computer program logic makes processor perform the operation (side described in the embodiment of the present invention Method).This set of the present invention is typically provided as arranging or encoding at such as light medium (such as CD-ROM), the software on the computer-readable medium of floppy disk or hard disk etc., code and/or its On his data structure or the most one or more ROM or RAM or PROM chip Other media of firmware or microcode or special IC (ASIC) or one or more Downloadable software image in module, shared data bank etc..Software or firmware or this configuration May be installed on calculating equipment, so that the one or more processors in calculating equipment perform basis Technology described in inventive embodiments.In conjunction with in such as one group of data communications equipment or other entities The software process that calculating equipment carries out operating can also provide the equipment according to the present invention.According to this The multiple software process that can also be distributed in multiple data communications equipment of equipment of invention or Transport on all software process run on one group of small, dedicated computer or single computer Between all software process of row.
It should be understood that strictly say, embodiments of the invention can be implemented as on computer equipment Software program, software and hardware or individually software and/or individually circuit.
It should be noted that, in the above description, the most in an illustrative manner, it is shown that this Bright technical scheme, but it is not intended that the invention be limited to above-mentioned steps and cellular construction.? When possible, as required step and cellular construction can be adjusted and accept or reject.Cause This, some step and unit not implement element necessary to the overall invention thought of the present invention. Therefore, technical characteristic essential to the invention is limited solely by the overall invention being capable of the present invention The minimum requirements of thought, and do not limited by above instantiation.
So far already in connection with preferred embodiment, invention has been described.It should be understood that ability Field technique personnel without departing from the spirit and scope of the present invention, can carry out various its Its change, replace and add.Therefore, the scope of the present invention is not limited to above-mentioned particular implementation Example, and should be defined by the appended claims.

Claims (14)

1. a hand-written table recognition methods, including:
Detection form line;
Calculate the bounding rectangles just covering all form lines;
For each form line, bounding rectangles extends, obtain the Virtual table ruling of correspondence;
Calculate the position of the central point of the frame divided by Virtual table ruling and form line;
Each central point is divided into internal point and external point, and wherein internal point is to be surrounded by form line Central point;
Internal point is grouped, if the path between adjacent inner point is not stopped by form line, The most described internal point belongs to identical group;
The frame combination corresponding to the internal point of identical group will be belonged to, be formed as cell;And
Identify the handwritten content in unit lattice.
Hand-written table recognition methods the most according to claim 1, wherein, detects form line bag Include:
Calculate the size of average stroke;And
It is form line by the Stroke discrimination that length is much larger than average stroke size.
Hand-written table recognition methods the most according to claim 1 and 2, wherein, detects form Line also includes:
Whether detection form line exists flex point on path;And
The form line that there is flex point is divided into single form line at flex point.
Hand-written table recognition methods the most according to claim 1 and 2, wherein, calculates just The bounding rectangles covering all form lines includes:
Determine the longest crossing vertical form line and the longest water-glass ruling;
Calculate and just cover the longest vertical form line intersected and the limit of the longest water-glass ruling Boundary's rectangle.
Hand-written table recognition methods the most according to claim 1 and 2, wherein, if two The top of form line is at a distance of the pixel less than predetermined number, then it is assumed that two root table rulings intersect.
Hand-written table recognition methods the most according to claim 1 and 2, wherein, by each Heart point is divided into internal point and external point also to include:
The internal point separated by Virtual table ruling with adjacent external point is changed into external point;And
Perform above-mentioned steps, until not having internal point to be changed to external point.
Hand-written table recognition methods the most according to claim 3, wherein, described method is applied In online handwriting input equipment.
8. a hand-written table identification equipment, including:
Table line detecting module, is configured to detect form line;
Table area detection module, is configured to calculate the shape based moment just covering all form lines Shape;
List structure identification module, is configured to, for each form line, detect mould at table area Extend on the bounding rectangles that block is calculated, obtain the Virtual table ruling of correspondence;Calculate by Virtual table The position of the central point of the frame that ruling and form line are divided;Each central point is divided into internal point And external point, wherein internal point is the central point surrounded by form line;Internal point is grouped, as Really the path between adjacent inner point is not stopped by form line, and the most described internal point belongs to identical Group;The frame combination corresponding to the internal point of identical group will be belonged to, be formed as cell;And
Table unit lattice content extraction module, is configured to the handwritten content in identification unit lattice.
Hand-written table recognition methods the most according to claim 8, wherein, described form line is examined Survey module is configured to:
Calculate the size of average stroke;
It is form line by the Stroke discrimination that length is much larger than average stroke size.
Hand-written table identification equipment the most according to claim 8 or claim 9, wherein said form Line detection module includes:
Stroke segmentation module, is configured to detect whether form line exists flex point on path;With And the form line that there is flex point is divided into single form line at flex point.
11. hand-written table identification equipment according to claim 8 or claim 9, wherein, described table Lattice region detection module is configured in the following manner and calculates the limit just covering all form lines Boundary's rectangle:
Determine the longest crossing vertical form line and the longest water-glass ruling, and
Calculate and just cover the longest vertical form line intersected and the limit of the longest water-glass ruling Boundary's rectangle.
12. hand-written table identification equipment according to claim 8 or claim 9, wherein, if two The top of root table ruling is at a distance of the pixel less than predetermined number, then it is assumed that two root table rulings intersect.
13. hand-written table identification equipment according to claim 8 or claim 9, wherein, list structure Identification module is also configured to
The internal point separated by Virtual table ruling with adjacent external point is changed into external point;And
Perform above-mentioned steps, until not having internal point to be changed to external point.
14. hand-written table identification equipment according to claim 10, also include:
Handwriting input trapping module, for capturing the handwriting input content of user.
CN201510305645.0A 2015-06-05 2015-06-05 Hand-written table recognition methods and equipment Pending CN106293185A (en)

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CN201510305645.0A CN106293185A (en) 2015-06-05 2015-06-05 Hand-written table recognition methods and equipment
PCT/CN2016/084680 WO2016192664A1 (en) 2015-06-05 2016-06-03 Handwriting table recognition method and device

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Application Number Priority Date Filing Date Title
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Publication number Priority date Publication date Assignee Title
CN109522805A (en) * 2018-10-18 2019-03-26 成都中科信息技术有限公司 A kind of form processing method for Form ballot paper in community election
CN109656459A (en) * 2017-10-10 2019-04-19 夏普株式会社 Electronic equipment, control device, the control method of electronic equipment and storage medium
CN109934160A (en) * 2019-03-12 2019-06-25 天津瑟威兰斯科技有限公司 Method and system for extracting table character information based on table recognition

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US7412094B2 (en) * 2004-09-21 2008-08-12 Microsoft Corporation System and method for editing a hand-drawn table in ink input
US7583841B2 (en) * 2005-12-21 2009-09-01 Microsoft Corporation Table detection in ink notes
CN101452523B (en) * 2007-12-07 2011-01-26 汉王科技股份有限公司 Handwriting table identification method and apparatus
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Publication number Priority date Publication date Assignee Title
CN109656459A (en) * 2017-10-10 2019-04-19 夏普株式会社 Electronic equipment, control device, the control method of electronic equipment and storage medium
CN109522805A (en) * 2018-10-18 2019-03-26 成都中科信息技术有限公司 A kind of form processing method for Form ballot paper in community election
CN109522805B (en) * 2018-10-18 2020-12-08 成都中科信息技术有限公司 Form processing method for form vote in community election
CN109934160A (en) * 2019-03-12 2019-06-25 天津瑟威兰斯科技有限公司 Method and system for extracting table character information based on table recognition

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