KR101458155B1 - Apparatus and method for generating edited document - Google Patents
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- KR101458155B1 KR101458155B1 KR20140026823A KR20140026823A KR101458155B1 KR 101458155 B1 KR101458155 B1 KR 101458155B1 KR 20140026823 A KR20140026823 A KR 20140026823A KR 20140026823 A KR20140026823 A KR 20140026823A KR 101458155 B1 KR101458155 B1 KR 101458155B1
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Abstract
Description
BACKGROUND OF THE
A PDF (Portable Document Format) is a kind of document format that is formed by including general documents, characters, figures, pictures, and fonts, and is used as an important document format for conveying information between users. Holding.
The main advantage of these PDF files is compatibility. In other words, PDF files can be read or printed from most PCs regardless of operating system. The distributed PDF file is the same as the original document, and the source file information such as text, drawing, image, graphic, and the like is maintained as it is regardless of which program the PDF is created. You can also combine different formats into one PDF Portfolio.
And, the PDF file is easy to manage. More specifically, PDF files are relatively small compared to other files. This is because images, text, and so on can all be contained in one file. For a picture file format such as JPEG, a book of 100 pages is converted, and a total of 100 files are created. There are a lot of files, so it's hard to find what you want. With PDF, however, a book is created as a single file, and bookmarks and links make it easier to find what you're looking for.
In addition, PDF files are highly secure. Rather than simply using the security feature to open the file, you can restrict each of the areas of printing, copying, and editing. Because of this, PDF files are widely used when distributing reports to a large number of public institutions and laboratories around the world.
In connection with the recent rapid increase in the use of mobile terminals, browsing of PDF files with mobile terminals is increasing rapidly. In addition, as the content of the mobile terminal, especially the PDF file, increases, the user of the mobile terminal needs to extract or edit only necessary information on a relatively small display.
In connection with this, Korean Patent Publication No. 2011-0027210 discloses a "PDF conversion system ".
An object of the present invention is to implement a technique for scrapping only necessary information in a document file. In particular, the present invention aims at extracting and storing important parts of a PDF file so as to be suitable for viewing on a limited display screen of a mobile terminal.
It is another object of the present invention to provide a technique for editing a document between a plurality of terminals excellent in light weight and security.
According to another aspect of the present invention, there is provided an edited document generation apparatus for extracting a region of interest, which is a part of a document file, to generate an edited document, A clipping mask generating unit for generating clipping masks for extracting the ROIs, an ROI extracting unit for extracting ROIs corresponding to the clipping masks from the document file, To the editing space file to generate an edited document.
At this time, the document file may be a PDF (Portable Document Format) file.
In this case, the clipping mask is formed by a clipping line which is a boundary line having a specific shape corresponding to a setting of a user or a predetermined setting, and the region of interest extracting section extracts an area existing inside the clipping line in the document file Can be extracted to the region of interest.
In this case, the document file includes a predetermined security zone and a non-security zone, and determines whether security of the extracted zone of interest is determined by determining whether the extracted zone of interest corresponds to the security zone or the non- And a gender determination unit.
In this case, the document file may be formed as an attribute of any one of text, images, and moving images, and may further include an entity property determiner for determining an entity attribute of the extracted interest area.
The extraction unit may further include a copy area determination unit for determining a copy area to be copied to the edit space file among the extracted interest areas based on the extracted security attributes of the ROI and entity attributes.
In this case, the copy area determination unit may include a data deletion unit for deleting data corresponding to a portion corresponding to the secure area in the extracted ROI, thereby confirming the copy area.
At this time, the copy area determination unit may include an effect processing unit for performing a setting of a user or a predetermined effect processing on an area deleted by the data deletion unit.
At this time, the effect processing unit may perform shading on the deleted area so that the user can not see the part corresponding to the security area.
In this case, the data deletion unit may include a bounding box calculation unit for calculating a bounding box of a minimum rectangular shape including a clipping line, which is a boundary line of the clipping mask, a page box coordinate system, A transform unit for transforming the bounding box into the image coordinate system and a transform transforming bounding box transformed into an image coordinate system, And a deletion processing unit for deleting the data corresponding to the security area included in the conversion bounding box and the part existing outside the conversion bounding box.
At this time, if the document file is a letter, the security determination unit may determine the security based on whether the area where the letter is reduced by the setting of the user or the predetermined ratio corresponds to the security area have.
In this case, the document file may be a document file stored in a second terminal, which is a terminal of another user, and may further include a streaming execution unit that receives streaming the document file stored in the second terminal to the first terminal, have.
According to another aspect of the present invention, there is provided an editing document generating method for extracting a region of interest, which is a part of a document file, to generate an editing document, A clipping mask generation step of generating clipping masks for extracting the ROIs by a clipping mask generation unit, an editing space file generating step of generating an editing space file, which is an initial file for generating a document, Extracting a region of interest corresponding to the clipping mask in the document file and extracting the region of interest extracted by the edited document generation unit to generate an edited document by copying the extracted region of interest into the editing space file, .
At this time, the clipping mask is formed by a clipping line which is a boundary line having a specific shape corresponding to a setting of a user or a predetermined setting, and the region of interest extracting step includes a step of extracting a region existing in the clipping line Can be extracted as a region of interest.
In this case, the document file is formed to include a predetermined security zone and a non-security zone, and after the ROI extraction step, the extracted RO is detected in the security zone or the non-security zone And determining the security of the extracted region of interest.
At this time, the document file is formed as an entity attribute of any one of text, images, and moving pictures, and after the security property determination step, the object property determination unit determines an object property And may further comprise a judgment step.
At this time, after the individual attribute determination step, the copy area determination unit determines a copy area to be copied to the edit space file among the extracted interest areas based on the extracted security attributes of the ROI and entity attributes And a copy area determination step.
At this time, the copying area determining step may include a data deleting step of deleting data corresponding to a portion corresponding to the secure area in the extracted area of interest by the data deleting unit, thereby confirming the copying area .
In this case, the copying area determining step may include an effect processing step of performing, by the effect processing unit, setting of a user in the area deleted in the data erasing step or predetermined effect processing.
The data erasing step may include a bounding box calculating step of calculating a bounding box having a minimum rectangular shape including a clipping line that is a boundary line of the clipping mask by the bounding box calculating unit, A coordinate system conversion step of converting a page coordinate system, which is a coordinate system of a file based on a page basis, into an image coordinate system which is a coordinate system of an image reference existing in the document file, a bounding box transforming unit transforming the bounding box into the image coordinate system, The box coordinate transformation step and the deletion processing unit, deletion processing for deleting data corresponding to a security area included in the transformation bounding box and a part existing outside the transformation bounding box based on the transformation bounding box converted into the image coordinate system, Step < / RTI >
According to the embodiment of the present invention, the user can scrap only necessary information in the document file. In particular, the present invention extracts and stores important portions of a PDF file to be suitable for viewing on a limited display screen of a mobile terminal.
In addition, the present invention extracts only the non-security area in the document file and copies it, and prevents the predetermined area from being copied into the security area, thereby enhancing security.
In addition, the present invention can share document files directly between users and perform mutual scrapping, thereby eliminating the need for a separate central management server. In addition, when sharing document files among users, streaming and mutual document files are executed without storing separate document files, so that lightness and security are excellent.
1 is a conceptual diagram showing an environment to which an apparatus and method for generating an edited document according to an embodiment of the present invention is applied.
2 is a block diagram showing a configuration of an edited document generating apparatus according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of a copy area determination unit of an edited document generation apparatus according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating a configuration of a data deletion unit of an edited document generation apparatus according to an embodiment of the present invention.
5 to 11 are views for explaining an example of an edited document generating apparatus according to an embodiment of the present invention.
12 is a flowchart illustrating a method of generating an edited document according to an embodiment of the present invention.
While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail.
It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.
The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.
It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.
The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.
In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Hereinafter, the same reference numerals will be used for the same constituent elements in the drawings, and redundant explanations for the same constituent elements will be omitted.
Hereinafter, an editing document generating apparatus according to the present invention will be described with reference to the drawings.
1 is a conceptual diagram showing an environment to which an apparatus and method for generating an edited document according to an embodiment of the present invention is applied.
1, a first user P1 uses a
At this time, the
Hereinafter, the structure and operation of a document generating apparatus according to an embodiment of the present invention will be described.
2 is a block diagram showing a configuration of an edited document generating apparatus according to an embodiment of the present invention. 3 is a diagram illustrating a configuration of a copy area determination unit of an edited document generation apparatus according to an embodiment of the present invention. FIG. 4 is a diagram illustrating a configuration of a data deletion unit of an edited document generation apparatus according to an embodiment of the present invention.
2, an
It may also include a display unit (not shown) and an interface unit (not shown). At this time, the
The interface unit may be an input unit of the terminal receiving input from the user. The display unit and the interface unit may be integrated. That is, the display unit and the interface unit may be formed by a touch display.
The editing space
Specifically, the editing space file refers to a space for extracting and copying a specific area from a document file stored in a terminal of a user or another user, .
At this time, according to the embodiment, the document file may be a PDF (Portable Document Format) file, and accordingly, the edit space file may be an empty PDF file without content (data).
The clipping
The region of
Here, the clipping mask is a reference (boundary) for selecting a region of interest, which is a specific region to be extracted from the document file. That is, the user can perform a touch operation or the like through the interface unit to extract a region of interest corresponding to the clipping mask in the document file.
At this time, the clipping mask may be formed as a clipping line which is a boundary line having a specific shape (for example, a heart shape or a star shape, etc.) corresponding to the setting of the user or the predetermined setting. In this case, the
The document file may include a predetermined security zone and a non-security zone, and the document file may be formed of any one of attributes of text, images, or moving images.
Here, the security area can be regarded as a part including personal information (resident registration number or telephone number, etc.) difficult to extract from the document file according to the setting of the user or the predetermined policy and copied. It can also be a part of the document file that the holder does not want to disclose.
At this time, the
More specifically, it is determined whether the security area is included in the ROI extracted by the
The entity
That is, it is determined whether the entity attribute is text, image, or moving image.
If the document file is a text, the
Even if an extremely small portion of the area in which the text exists is included in the security area, the user can not identify what the text is in only a very small portion. Therefore, It can be configured so that even if it is reduced, it is not copied only when it is included in the security area.
In addition, the copy
That is, not all of the ROI extracted by the
The edited
At this time, the edited
Referring to FIG. 3, the copy
More specifically, the
In addition, the
At this time, the
4, the
More specifically, the bounding
The coordinate
In addition, the bounding box coordinate transforming
The
The
More specifically, the
In addition, the
Hereinafter, an example will be described in which an apparatus and method for generating an edited document according to an embodiment of the present invention are implemented in a terminal as an application.
5 to 11 are views for explaining an example of an edited document generating apparatus according to an embodiment of the present invention.
Referring to FIG. 5, 'A' and 'B' exist in the document file. At this time, there is a clipping
More specifically, in 'B', the
However, in the case of 'A', since there is no overlapping region in the
Referring to FIGS. 6 and 7, it can be confirmed that the document file has a special handling in the case of a letter.
As described above, when the document file is in the form of letters, the
Even if an extremely small portion of the area in which the text exists is included in the security area, the user can not identify what the text is in only a very small portion. Therefore, It can be configured so that even if it is reduced, it is not copied only when it is included in the security area.
Specifically, referring to FIG. 6, in the case of 'A', there is a reduced
At this time, only when the reduced area corresponds to the secure area 8, it does not copy to the edit space file later. That is, the
In contrast, referring to FIG. 7, in the case of 'B', since the reduced
Referring to FIGS. 8 to 11, the
Referring to FIG. 8, there is an image box 5a corresponding to a page coordinate, which is a coordinate of a page reference, and a
There is also a security area 8a corresponding to the page coordinates.
Referring to FIG. 9, it can be seen that all of the configurations shown in FIG. 8 are converted into image coordinates which are coordinates of an image reference.
That is, as described above, the bounding
For example, in FIG. 8, the security area 8a based on the page coordinate system is converted into the
The reason for converting the coordinates based on the page coordinate system into the coordinates based on the image is to extract the area deleted by the
9 and 10, data corresponding to the outer area of the
At this time, the
As a result, referring to FIG. 11, after the data is deleted and shaded as described above, the heart-shaped data may be edited and copied to the edit space file by switching to the page coordinate system.
Hereinafter, a method of generating an edited document according to an embodiment of the present invention will be described.
12 is a flowchart illustrating a method of generating an edited document according to an embodiment of the present invention.
12, the method of generating a document according to an embodiment of the present invention is the same as that of the edited document generating apparatus described with reference to FIGS. 1 to 11, so that overlapping description will not be repeated.
Referring to FIG. 12, an editing document generating apparatus according to an embodiment of the present invention generates an editing space file, which is an initial file for creating an editing document, by an editing space file generating unit (S100).
The clipping mask generation unit generates a clipping mask for extracting the ROI (S110).
Thereafter, the region of interest corresponding to the clipping mask is extracted from the document file stored in the terminal of the other terminal or the user by the region of interest extracting unit (S120).
The embodiment of the present invention can be terminated by copying the extracted region of interest to the edit space file by the edited document generation unit (S130).
The editing document generating method according to the present invention may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Includes all types of hardware devices that are specially configured to store and execute magneto-optical media and program instructions such as ROM, RAM, flash memory, and the like.
Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like. Such a hardware device may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.
The teachings of the principles of the present invention may be implemented as a combination of hardware and software. In addition, the software can be implemented as an application program that is actually implemented on the program storage unit.
The application program can be uploaded to and executed by a machine that includes any suitable architecture. Advantageously, the machine may be implemented on a computer platform having hardware such as one or more central processing units (CPUs), a computer processor, a random access memory (RAM), and input / output (I / . In addition, the computer platform may include an operating system and microinstruction code. The various processes and functions described herein may be part of microcommand codes or a portion of an application program, or any combination thereof, and they may be executed by various processing devices including a CPU.
In addition, various other peripheral devices such as additional data storage and printers may be connected to the computer platform.
It is to be understood that the actual connections between system components or process functional blocks may vary depending on how the principles of the present invention are programmed, as some of the constituent system components and methods illustrated in the accompanying drawings are preferably implemented in software It should be further understood.
Given the teachings herein, those skilled in the relevant art (s) will be able to contemplate these and similar implementations or configurations of the principles of the present invention.
As described above, the apparatus and method for generating an edited document according to the present invention are not limited to the configurations and methods of the embodiments described above, but the embodiments may be modified so that various modifications may be made. All or some of them may be selectively combined.
100; Edit document generation device
110; Editing space file creation section
120; Clipping mask generation unit
130; The region of interest extraction
140; The security-
150; The object property determination unit
160; The copy area determination unit
170; The streaming execution unit
180; Edited document generation unit
Claims (20)
An edit space file creating unit for creating an edit space file which is an initial file for creating the edit document;
A clipping mask generating unit for generating a clipping mask for extracting the ROI;
A region of interest extractor for extracting a region of interest corresponding to the clipping mask in the document file;
The document file includes a predetermined security area and a non-security area, and determines whether the extracted area of interest corresponds to the security area or the non-security area to determine security of the extracted area of interest. ;
Wherein the document file is formed of an entity attribute of any one of a text, an image, and a moving image, and determines an entity attribute of the extracted ROI;
A copy area determination unit for determining a copy area to be copied to the edit space file among the extracted ROIs based on the extracted security attributes of the ROI and entity attributes; And
And an edited document generation unit for generating an edited document by copying the determined copy area of the extracted interest area into the edit space file.
Wherein the document file is a PDF (Portable Document Format) file.
Wherein the clipping mask comprises:
A clipping line which is a boundary line having a specific shape corresponding to a user's setting or a predetermined setting,
Wherein the ROI extractor comprises:
And extracts, as a region of interest, an area existing inside the clipping line in the document file.
The copy area determination unit may determine,
And a data deletion unit deleting data corresponding to a portion corresponding to the secure area from the extracted ROIs to determine the copy area.
The copy area determination unit may determine,
And an effect processing unit for setting the user or performing predetermined effect processing on the area deleted by the data deletion unit.
The effect processor may include:
And performs shading on the deleted area so that the user can not see the part corresponding to the security area.
Wherein,
A bounding box calculating unit for calculating a bounding box of a minimum rectangular shape including a clipping line which is a boundary line of the clipping mask;
A coordinate system conversion unit that converts a page coordinate system, which is a coordinate system of a page reference of the document file, into an image coordinate system that is a coordinate system of an image reference existing in the document file;
A bounding box coordinate transformer for transforming the bounding box into the image coordinate system; And
And a deletion processing unit for deleting data corresponding to a security area included in the conversion bounding box and a part existing outside the conversion bounding box based on a conversion bounding box converted into an image coordinate system Device.
If the document file is a letter,
The security-
Wherein the security attribute determination unit determines security based on whether the area where the character reduced by the setting of the user or the predetermined ratio is present corresponds to the security area.
Wherein the document file includes:
A document file stored in a second terminal, which is a terminal of another user,
Further comprising a streaming execution unit for receiving a document file stored in the second terminal by streaming to a first terminal that is a terminal of the user.
An edit space file creating step of creating an edit space file, which is an initial file for creating the edit document, by an edit space file creating unit;
A clipping mask generation step of generating a clipping mask for extracting the ROI by a clipping mask generation unit;
Extracting a region of interest corresponding to the clipping mask in the document file by a region of interest extracting unit;
Wherein the document file includes a predetermined security area and a non-security area, and the security determination unit determines whether the extracted area of interest corresponds to the security area or the non-security area, A security judgment step of judging a security judgment step;
Determining an entity attribute of the extracted ROI by the ROI determination unit, the ROI being formed of any one of an attribute of text, an image, and a moving image;
Determining a copy area to be copied to the edit space file among the extracted ROIs based on the extracted security attributes of the ROI and entity attributes by the copy area determination unit; And
And an edited document generation step of generating an edited document by copying the determined copy area of the extracted interest area into the edit space file by the edited document generation unit.
Wherein the clipping mask comprises:
A clipping line which is a boundary line having a specific shape corresponding to a user's setting or a predetermined setting,
The method of claim 1,
And extracting an area existing inside the clipping line in the document file as a region of interest.
The step of determining the copy area includes:
And deleting data corresponding to a portion corresponding to the secure area from the extracted interest area by the data deletion unit to determine the copy area.
The step of determining the copy area includes:
And an effect processing step of performing, by the effect processing unit, the user's setting or predetermined effect processing on the deleted area in the data deleting step.
The data erasing step includes:
A bounding box calculating step of calculating a bounding box of a minimum rectangular shape including a clipping line which is a boundary line of the clipping mask, by a bounding box calculating unit;
A coordinate system conversion step of converting a page coordinate system, which is a coordinate system of a page reference of the document file, into an image coordinate system which is a coordinate system of an image reference existing in the document file by a coordinate system conversion unit;
A bounding box coordinate transforming step of transforming the bounding box into the image coordinate system by a bounding box coordinate transforming unit; And
And a deletion processing step of deleting data corresponding to a security area included in the conversion bounding box and a part existing outside the conversion bounding box based on the conversion bounding box converted into the image coordinate system by the deletion processing unit Characterized in that:
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KR20140026823A KR101458155B1 (en) | 2014-03-06 | 2014-03-06 | Apparatus and method for generating edited document |
US14/525,359 US9588948B2 (en) | 2013-11-25 | 2014-10-28 | Apparatus and method for editing document image |
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KR20210106243A (en) * | 2020-02-20 | 2021-08-30 | 주식회사 에이모 | Apparatus for creating bounding box and method thereof |
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JP2002207725A (en) * | 2001-01-10 | 2002-07-26 | Planet Computer:Kk | Processor for concealing electronic document |
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