CN105516590A - Picture processing method and device - Google Patents
Picture processing method and device Download PDFInfo
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- CN105516590A CN105516590A CN201510916329.7A CN201510916329A CN105516590A CN 105516590 A CN105516590 A CN 105516590A CN 201510916329 A CN201510916329 A CN 201510916329A CN 105516590 A CN105516590 A CN 105516590A
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- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims description 10
- 239000000284 extract Substances 0.000 description 15
- 238000012015 optical character recognition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Studio Devices (AREA)
Abstract
The embodiments of the invention disclose a picture processing method and device. The method comprises the steps of determining a focusing area shot by a terminal, shooting a corresponding picture according to the determined focusing area, then when judging that the focusing area includes character information, extracting the character information from the focusing area, and outputting the character information in a preset document format. By adopting the solution, when the terminal shoots an object to obtain a picture, the character information included in the picture is extracted, so that a user can edit the character information.
Description
Technical Field
The invention belongs to the technical field of terminals, and particularly relates to a picture processing method and device.
Background
With the development of intelligent terminals, camera shooting and picture taking are used as basic applications of the intelligent terminals, and the improvement of pixels and effects of the intelligent terminals is more and more favored and valued by people.
In the prior art, when a user needs to obtain text information in a paper document, for example, the user uses a shooting function of a terminal to shoot the paper document to form a photo, so as to obtain the text information therein. However, this method also brings inconvenience to the user, for example, when the user needs to send the text information in the paper document to the opposite user, only the photo containing the text information can be sent to the opposite user, and the text information cannot be directly sent.
As can be seen from the above, the conventional terminal cannot extract the text information included in the picture.
Disclosure of Invention
The invention provides a picture processing method and a picture processing device, which can solve the technical problem that a terminal cannot extract character information contained in a picture.
The embodiment of the invention provides a picture processing method, which comprises the following steps:
determining a focusing area shot by a terminal;
shooting according to the determined focusing area to obtain a corresponding picture; and
and when the focusing area contains character information, extracting the character information in the focusing area.
In an embodiment of the present invention, the step of determining a focusing area photographed by the terminal specifically includes:
scanning the text information of the preview image to obtain a scanning result;
and determining a focusing area shot by the terminal according to the scanning result.
In an embodiment of the present invention, the preview image includes a plurality of image areas; the step of scanning the text information of the preview image specifically includes:
scanning the character information of the image area to obtain a scanning result;
the step of determining the focusing area shot by the terminal according to the scanning result specifically comprises the following steps:
and when the scanning result shows that the image area contains character information, determining a focusing area to be shot by the terminal according to the image area.
In an embodiment of the present invention, after the step of extracting the text information in the focus area, the method further includes:
and outputting the extracted text information in a preset document format.
In an embodiment of the present invention, the method further includes:
and when the focusing area does not contain the text information, saving the picture.
An embodiment of the present invention provides an image processing apparatus, including:
the focusing module is used for determining a focusing area shot by the terminal;
the shooting module is used for shooting according to the determined focusing area so as to obtain a corresponding picture; and
and the extraction module is used for extracting the character information in the focusing area when the focusing area contains the character information.
In an embodiment of the present invention, the focusing module specifically includes:
the scanning submodule is used for scanning the text information of the preview image to obtain a scanning result;
and the locking sub-module is used for determining a focusing area shot by the terminal according to the scanning result.
In an embodiment of the present invention, the preview image includes a plurality of image areas;
the scanning submodule is specifically used for scanning the text information of the image area to obtain a scanning result;
and the locking sub-module is specifically configured to determine a focusing area to be photographed by the terminal according to the image area when the scanning result indicates that the image area contains text information.
In an embodiment of the present invention, the apparatus further includes:
and the output module is used for outputting the extracted text information in a preset document format after the text information in the focusing area is extracted by the extraction module.
In an embodiment of the present invention, the apparatus further includes:
and the storage module is used for storing the picture when the focusing area does not contain the text information.
The embodiment of the invention provides a picture processing method and a device, the picture processing method of the embodiment of the invention firstly determines a focusing area shot by a terminal, then shoots according to the determined focusing area to obtain a corresponding picture, and when the focusing area contains character information, the character information in the focusing area is extracted; the scheme solves the problem that the terminal cannot extract the character information contained in the picture, and can extract the character information contained in the picture when the terminal shoots the scene to obtain the picture, so that the user can edit the character information.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a picture processing method according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a picture processing method according to a second embodiment of the present invention;
fig. 3a is a schematic structural diagram of a first image processing apparatus according to a third embodiment of the present invention;
fig. 3b is a schematic structural diagram of a second image processing apparatus according to a third embodiment of the present invention;
fig. 3c is a schematic structural diagram of a third image processing apparatus according to a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention provide a method and an apparatus for processing an image, which will be described in detail below.
The first embodiment,
The present embodiment will be described from the viewpoint of a picture processing apparatus, which can be specifically integrated in a terminal or the like.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a picture processing method according to an embodiment of the invention. The picture processing method may include:
step 101, determining a focusing area shot by a terminal.
Specifically, a shooting function of the terminal is started, an image needing to be shot is previewed on a display interface of the terminal, and then a shot focusing area is determined.
The terminal can determine a shooting focus in the preview interface according to the touch instruction, determine a range of a corresponding focusing area according to the selected shooting focus, and clarify an image in the range of the focusing area.
In the practical application process, a focusing area can be displayed in a terminal viewing window, the display mode of the focusing area is various, and can be in the form of a graphic frame or a semitransparent color area, the range of the focusing area can be fixed or adjustable, and the invention is not particularly limited to this; for the adjustable focusing area range, an upper threshold and a lower threshold of the focusing range can be set, and in the threshold range, the terminal receives an instruction of a user for adjusting the focusing range and executes the instruction so as to select the focusing area range.
For example, in the preview image of the terminal, the area of the text message is about 20mm × 30mm, and the default range of the focusing area is 20mm × 20mm, and at this time, part of the text message is outside the focusing area, the terminal may receive a focusing area range adjusting instruction of the user, and the adjusting instruction may adjust the focusing area range from 20mm × 20mm to 20mm × 30mm or other larger range, so that the text message may be completely displayed in the focusing area range. It should be noted that, when the text information range exceeds the upper threshold of the focusing range, the focusing area range cannot be singly adjusted to exceed the upper threshold, but only the shooting distance can be adjusted, and the text information can be completely displayed in the focusing area range by adjusting the focusing area range.
And 102, shooting according to the determined focusing area to obtain a corresponding picture.
Specifically, a shooting instruction of a user is received, and a corresponding picture is obtained according to the determined focusing area and the focusing effect thereof.
And 103, when the focusing area contains character information, extracting the character information in the focusing area.
Specifically, scanning character information of a focusing area in the picture, and extracting the character information in the focusing area when the focusing area in the picture is determined to contain the character information; the text information in the embodiment of the present invention may specifically be text, symbol, and other information, and there are many ways to determine whether a focusing area in a picture contains text information, and text features of the text information may be obtained, and whether a text corresponding to the text features exists in a database is determined by determining whether the focusing area contains text information.
The manner of extracting the text information in the focus area may be a text recognition manner, such as an OCR (optical character recognition), and the text information in the focus area may be preprocessed by scanning, such as binarization, noise removal, tilt correction, and the like, and the text information may be segmented into individual characters by character segmentation, so as to improve the efficiency of character recognition.
Preferably, the character information in the focus area is subjected to feature extraction, and the corresponding character information is extracted through preset feature information in a corresponding database, so that the character information is in an editable state.
As can be seen from the above, the picture processing method of this embodiment first determines a focusing area photographed by a terminal, then photographs according to the determined focusing area to obtain a corresponding picture, and when the focusing area contains text information, extracts the text information in the focusing area; the scheme solves the problem that the terminal cannot extract the character information contained in the picture, and can extract the character information contained in the picture when the terminal shoots the scene to obtain the picture, so that the user can edit the character information.
Example II,
On the basis of the method described in the first embodiment, this embodiment will be further described from the perspective of a picture processing apparatus, which may be specifically integrated in a device such as a terminal.
Referring to fig. 2, fig. 2 is a flowchart illustrating a picture processing method according to a second embodiment of the present invention. The picture processing method may include:
step 201, scanning the text information of the preview image to obtain a scanning result.
Specifically, a shooting function of the terminal is started, an adjustment instruction of a user on a view finding window is received, and text information scanning is carried out on a preview image in the view finding window.
And step 202, determining a focusing area shot by the terminal according to the scanning result.
Specifically, when the text information in the preview image is scanned, the position of the shot focusing area is determined according to the position of the text information in the preview image.
The focusing area can be determined according to the overall contour and arrangement mode of the character information in the preview image; for example, a five-language sentence is sorted in four rows and four columns, and fonts and sizes all adopt the same format, the focusing area can be a square frame or a square semitransparent color area to contain or cover the text information of the five-language sentence, and if one character of the first row is removed, the focusing area can remove the part containing or covering the character.
And step 203, shooting according to the determined focusing area to obtain a corresponding picture.
Specifically, a shooting instruction of a user is received, and a corresponding picture is obtained according to the determined focusing area and the focusing effect thereof.
Step 204, determining whether the focusing area in the picture contains text information.
Specifically, scanning character information of a focusing area in the picture to judge whether the focusing area in the picture contains the character information;
if yes, go to step 205;
if not, go to step 207.
The method for judging whether the focusing area in the picture contains the character information has a plurality of ways, the character characteristics of the character information can be obtained, and whether the focusing area contains the character information is determined by judging whether the database contains characters corresponding to the character characteristics.
Step 205, when it is determined that the focusing area in the picture contains the text information, extracting the text information in the focusing area.
The manner of extracting the text information in the focus area may be a text recognition manner, such as an OCR (optical character recognition), and the text information in the focus area may be preprocessed by scanning, such as binarization, noise removal, tilt correction, and the like, and the text information may be segmented into individual characters by character segmentation, so as to improve the efficiency of character recognition.
Preferably, the character information in the focusing area is subjected to feature extraction, and the corresponding character information is extracted and stored through preset feature information in a corresponding database.
Preferably, when the text information in the focusing area in the picture is extracted, the picture can be saved.
And step 206, outputting the extracted text information in a preset document format.
Specifically, the extracted text information may be output in a document format with file extensions of ". doc", ". txt", ". pdf", and other types, to obtain an editable document corresponding to the text information.
And step 207, when the focusing area in the picture does not contain the character information, storing the picture.
Specifically, when the focusing area in the picture is judged not to contain the character information, the picture is saved in the format of a common photo.
As can be seen from the above, the picture processing method of this embodiment obtains a scanning result by scanning the text information of the preview image, determines the focusing area photographed by the terminal according to the scanning result, then photographs according to the determined focusing area to obtain a corresponding picture, and further determines whether the focusing area in the picture contains the text information, when it is determined that the focusing area in the picture does not contain the text information, stores the picture in the format of a normal photo, when it is determined that the focusing area in the picture contains the text information, extracts the text information in the focusing area, and outputs the extracted text information in the preset document format to obtain an editable document corresponding to the text information; the scheme solves the problem that the terminal cannot extract the character information contained in the picture, and can not only store the picture but also extract the character information contained in the picture when the terminal shoots the scene to obtain the picture, so that a user can edit and process the character information.
Example III,
In order to better implement the above scheme, the embodiment of the invention also provides a picture processing device, which can be integrated in a terminal.
For example, the picture processing apparatus may be integrated in the terminal in the form of hardware or software, such as in the form of a terminal application.
As shown in fig. 3a, the image processing apparatus of the present embodiment may include: a focusing module 301, a shooting module 302 and an extraction module 303; wherein,
and the focusing module 301 is configured to determine a focusing area of the terminal.
A shooting module 302, configured to shoot according to the focusing area determined by the focusing module 301 to obtain a corresponding picture.
The extracting module 303 is configured to, when the focused area contains text information, extract the text information in the focused area.
Preferably, referring to fig. 3b, the focusing module 301 in this embodiment may include: a scan sub-module 3011 and a lock sub-module 3012; wherein,
and the scanning sub-module 3011 is configured to perform text information scanning on the preview image to obtain a scanning result.
And the locking sub-module 3012 is configured to determine a focusing area photographed by the terminal according to the scanning result.
Preferably, referring to fig. 3c, on the basis of the above-described image processing apparatus, the image processing apparatus of this embodiment may further include: an output module 304 and a storage module 305; wherein,
and the output module 304 is configured to, after the extraction module 303 extracts the text information in the focusing area, output the extracted text information in a preset document format.
The storage module 305 is configured to save the picture when the focusing area in the picture does not contain the text information.
As can be seen from the above, the picture processing apparatus of this embodiment scans the text information of the preview image through the focusing module 301 to obtain a scanning result, and determines the focusing area photographed by the terminal according to the scanning result, then the photographing module 302 photographs according to the determined focusing area to obtain a corresponding picture, and further determines whether the focusing area in the picture contains text information, when the focusing area in the picture does not contain text information, the storage module 305 stores the picture in the format of a normal photo, when the focusing area in the picture contains text information, the extraction module 303 extracts the text information in the focusing area, and the output module 304 outputs the text information extracted by the extraction module 303 in the preset document format to obtain an editable document corresponding to the text information; the scheme solves the problem that the terminal cannot extract the character information contained in the picture, and can not only store the picture but also extract the character information contained in the picture when the terminal shoots the scene to obtain the picture, so that a user can edit and process the character information.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic or optical disk, or the like.
The above detailed description is provided for the image processing method and apparatus provided by the embodiment of the present invention, and a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. An image processing method, comprising:
determining a focusing area shot by a terminal;
shooting according to the determined focusing area to obtain a corresponding picture; and
and when the focusing area contains character information, extracting the character information in the focusing area.
2. The picture processing method according to claim 1, wherein the step of determining the focusing area taken by the terminal specifically comprises:
scanning the text information of the preview image to obtain a scanning result;
and determining a focusing area shot by the terminal according to the scanning result.
3. The picture processing method according to claim 2, wherein the preview image includes a plurality of image areas;
the step of scanning the text information of the preview image specifically includes:
scanning the character information of the image area to obtain a scanning result;
the step of determining the focusing area shot by the terminal according to the scanning result specifically comprises the following steps:
and when the scanning result shows that the image area contains character information, determining a focusing area to be shot by the terminal according to the image area.
4. The picture processing method according to any one of claims 1 to 3, wherein after the step of extracting the text information in the focus area, the method further comprises:
and outputting the extracted text information in a preset document format.
5. The picture processing method according to claim 1, further comprising:
and when the focusing area does not contain the text information, saving the picture.
6. A picture processing apparatus, comprising:
the focusing module is used for determining a focusing area shot by the terminal;
the shooting module is used for shooting according to the determined focusing area so as to obtain a corresponding picture; and
and the extraction module is used for extracting the character information in the focusing area when the focusing area contains the character information.
7. The image processing apparatus of claim 6, wherein the focusing module specifically comprises:
the scanning submodule is used for scanning the text information of the preview image to obtain a scanning result;
and the locking sub-module is used for determining a focusing area shot by the terminal according to the scanning result.
8. The picture processing apparatus according to claim 6, wherein the preview image includes a plurality of image areas;
the scanning submodule is specifically used for scanning the text information of the image area to obtain a scanning result;
and the locking sub-module is specifically configured to determine a focusing area to be photographed by the terminal according to the image area when the scanning result indicates that the image area contains text information.
9. The picture processing apparatus according to any one of claims 6 to 8, wherein the apparatus further comprises:
and the output module is used for outputting the extracted text information in a preset document format after the text information in the focusing area is extracted by the extraction module.
10. The picture processing apparatus according to claim 6, wherein said apparatus further comprises:
and the storage module is used for storing the picture when the focusing area does not contain the text information.
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| CN107317964A (en) * | 2017-06-27 | 2017-11-03 | 深圳市沃特沃德股份有限公司 | Focusing process method and apparatus |
| CN107870895A (en) * | 2017-11-15 | 2018-04-03 | 苏州三星电子电脑有限公司 | Mobile device document picture editing method and editing device |
| WO2018103450A1 (en) * | 2016-12-07 | 2018-06-14 | 中兴通讯股份有限公司 | Image recognition-based communication method and device |
| CN109218603A (en) * | 2018-06-14 | 2019-01-15 | 三星电子（中国）研发中心 | A kind of camera control method and device |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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