CN106446884A - Method and device for rapidly capturing images - Google Patents
Method and device for rapidly capturing images Download PDFInfo
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- CN106446884A CN106446884A CN201610834439.3A CN201610834439A CN106446884A CN 106446884 A CN106446884 A CN 106446884A CN 201610834439 A CN201610834439 A CN 201610834439A CN 106446884 A CN106446884 A CN 106446884A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
- G06V10/225—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition based on a marking or identifier characterising the area
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Abstract
The invention provides a method for rapidly capturing images. The method comprises the following steps: receiving a photographing command and obtaining an original image and arranging photosensitive material markers in specific positions of the original image; searching for corresponding image areas according to the photosensitive material markers in the original image; and capturing images of the original image according to the image areas to generate target images. The method and the device are capable of automatically capturing the images corresponding to the specific positions by only marking the specific positions with photosensitive materials; the operation is more convenient and efficient; and the capturing accuracy is high.
Description
Technical field
The invention belongs to image processing field, the method and apparatus of the quick intercepting of more particularly, to a kind of image.
Background technology
With scientific and technological development, increasing electronic equipment is provided with photographic head.The image being obtained by photographic head,
Can facilitate user that field data is fast and effectively gathered.Such as, shot by the photographic head of learning machine and include exercise question
The image of information, in conjunction with character recognition tool, can obtain the Word message in image.Word message according to obtaining is carried out
Join, can effectively carry out exercise question search.
In the image of photographic head collection, the image that user needs is probably a portion region.Such as in image
Word when being identified, user only needs to identification and includes part item content information.Therefore, user would generally be carried out to image
Intercept.Interception way for image typically selects the area size of frame so as to user institute can be covered by user's adjustment at present
Exercise question to be intercepted, after the completion of adjustment, clicks on and confirms that button completes sectional drawing.
Due to intercepting needs for image in prior art, the size selecting frame is adjusted, clicks on after the completion of adjustment
Confirm all to operate, intercepting process more bothers, be unfavorable for improving intercepting efficiency.
Content of the invention
It is an object of the invention to provide a kind of method of the quick intercepting of image, to solve prior art for image
Intercept and need the size selecting frame is adjusted, click on after the completion of adjustment and confirm all to operate, intercepting process more bothers, unfavorable
In the problem improving intercepting efficiency.
In a first aspect, the method embodiments providing a kind of quick intercepting of image, methods described includes：
Receive photographing instruction and obtain original image, the ad-hoc location of described original image is provided with light-sensitive material mark
Know；
According to the corresponding image-region of light-sensitive material identifier lookup in described original image；
Image interception is carried out according to described image region to original image, generates target image.
In conjunction with a first aspect, first aspect the first may in implementation, described according in described original image
The corresponding image-region of light-sensitive material identifier lookup specifically include：
Identify that the light-sensitive material in described original image is designated horizontal line mark；
It is located in a line above described horizontal line according to described horizontal line identifier lookup and identify corresponding word, root with described horizontal line
It is investigated that the word looked for generates corresponding image-region.
In conjunction with a first aspect, first aspect second may in implementation, described according in described original image
The corresponding image-region of light-sensitive material identifier lookup specifically include：
Identify that the light-sensitive material in described original image is designated circle mark；
By described circle mark lines institute around region, as light-sensitive material mark corresponding image-region.
In conjunction with a first aspect, first aspect the third may in implementation, described according in described original image
The corresponding image-region of light-sensitive material identifier lookup specifically include：
Identify that the light-sensitive material in described original image is designated and choose mark；
The described position choosing newline after mark is located at according to described identifier lookup of choosing, according to described newline and institute
State and choose the mark corresponding image-region of generation.
In conjunction with a first aspect, in the 4th kind of possible implementation of first aspect, receiving photographing instruction and obtain described
Take original image, before the ad-hoc location of described original image is provided with light-sensitive material identification of steps, methods described also includes：
Obtain the enabled instruction of the startup image interception class application program being produced by hardware switch, according to described enabled instruction
Open photographic head.
Second aspect, embodiments provides a kind of device of the quick intercepting of image, and described device includes：
Original image receiving unit, for receiving photographing instruction and obtaining original image, specific in described original image
Position is provided with light-sensitive material mark；
Regional search unit, for according to the corresponding image-region of light-sensitive material identifier lookup in described original image；
Image interception unit, for original image being carried out with image interception according to described image region, generates target image.
In conjunction with second aspect, in the first possible implementation of second aspect, described regional search unit includes：
First identification subelement, identifies for identifying that the light-sensitive material in described original image is designated horizontal line；
First area generates subelement, for according to described horizontal line identifier lookup be located above described horizontal line in a line with institute
State horizontal line and identify corresponding word, corresponding image-region is generated according to the word searched.
In conjunction with second aspect, in the possible implementation of second of second aspect, described regional search unit includes：
Second identification subelement, identifies for identifying that the light-sensitive material in described original image is designated circle；
Second area generates subelement, for lines that described circle is identified around region, as light-sensitive material
Identify corresponding image-region.
In conjunction with second aspect, in the third possible implementation of second aspect, described regional search unit includes：
3rd identification subelement, chooses mark for identifying that the light-sensitive material in described original image is designated；
3rd Area generation subelement, for choosing newline after mark according to described identifier lookup of choosing positioned at described
Position, generates corresponding image-region according to described newline and described mark of choosing.
In conjunction with second aspect, in the 4th kind of possible implementation of second aspect, described device also includes：
Instruction acquiring unit, the startup for obtaining the startup image interception class application program being produced by hardware switch refers to
Order, opens photographic head according to described enabled instruction.
In the present invention, when user needs the image obtaining is intercepted, specific in the original image obtaining
Position setting light-sensitive material mark, the position of the light-sensitive material mark according to described image, search corresponding image-region, according to
The image-region searched, is intercepted in original image.The present invention only needs to identify ad-hoc location using light-sensitive material in advance,
Can automatically image corresponding to this position intercept, more convenient to operate efficient, and the high precision intercepting.
Brief description
Fig. 1 is the flowchart of a kind of method of quick intercepting of image that first embodiment of the invention provides；
Fig. 2 is the flowchart of a kind of method of quick intercepting of image that second embodiment of the invention provides；
Fig. 3 is the flowchart of a kind of method of quick intercepting of image that third embodiment of the invention provides；
Fig. 4 is the flowchart of a kind of method of quick intercepting of image that fourth embodiment of the invention provides；
A kind of structural representation of the device of the quick intercepting of image that Fig. 5 provides for fifth embodiment of the invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
The purpose of the embodiment of the present invention is the method providing a kind of quick intercepting of image, with solve prior art for
In the acquisition process of target area image, need user to carry out frame choosing on the image shooting, after the completion of frame choosing, then click on really
Recognize button, the image required for generating.This image acquisition mode, needs the multiple operating procedure of user, and operates more fiber crops
Tired so that target area image obtain less efficient.Below in conjunction with the accompanying drawings, the present invention is further illustrated.
Embodiment one：
Fig. 1 show first embodiment of the invention provide a kind of method of quick intercepting of image realize flow process, in detail
State as follows：
In step S101, receive photographing instruction and obtain original image, in the ad-hoc location setting of described original image
Light-sensitive material is had to identify.
In embodiments of the present invention, the described shooting button shooting instruction, can passing through under camera application interface
Triggering.The photographing unit journey that described camera application can be called for the application program needing to obtain target area image
Sequence.
The position of described light-sensitive material mark, corresponding with the content that user's expectation intercepts, such as the exercise question of learning machine
Search, position light-sensitive material flag being located in the exercise question requiring to look up.Described cursor material mark, can be special
Door light-sensitive material small tool, for being placed in the pen tool of specific position or light-sensitive material making, user passes through to write
Mode set the position needing truncated picture.
In the embodiment of the present invention, before receiving photographing instruction, methods described can also include：
Obtain the enabled instruction of the startup image interception class application program being produced by hardware switch, according to described enabled instruction
Open photographic head.It can be application program with exercise question search etc. that described image intercepts class application program.
Hardware switch described in the embodiment of the present invention, can be for set in advance for starting image interception class application program
And the special switch setting.Certainly, described switch can be the new switch or existing terminal increasing in the terminal
Certain switch on the basis of switch is defined two or two combinations switching it is also possible to existing terminal.
Described enabled instruction, can trigger or end when terminal is in holding state or off-mode
Trigger under other application program state of activation.When being finally in off-mode, then first triggering terminal start, then in start
The enabled instruction that described image intercepts class application program is processed under state.
In step s 102, according to the corresponding image-region of light-sensitive material identifier lookup in described original image.
Specifically, specifically, original image described in the embodiment of the present invention, refers to the image directly being shot by photographic head,
Described original image includes the information of certain customers' needs, also includes partly unwanted information, and therefore original image needs
Carry out follow-up intercepting process.In described original image, when searching for for exercise question, the exercise question needing except including user is drawn
Face, also includes the picture of other non-item content.If user carries out exercise question search using the full content in original image,
Search efficiency not only can be made to reduce, and be unfavorable for improving the accuracy rate of search.
The lookup of described light-sensitive material, can preset the color of light-sensitive material, when lookup pixel in original image
Color value same or like with default color value when, described pixel is that the light-sensitive material mark in original image corresponds to
Position.Described default color value, could be arranged to the colors different from the other colors in picture, such as book page
Face, it is possible to use the color such as yellow, green, redness.
Described light-sensitive material mark, can be different according to the use habit of user, and adopt different light-sensitive materials to identify,
Such as underscore mark is carried out for word, word is carried out draw the mark of circle and mark that exercise question is chosen etc..
In embodiments of the present invention, described light-sensitive material identifies corresponding image-region, can be one or more area
Domain.When the corresponding image-region of described light-sensitive material is multiple, can be spliced according to the position of each image-region.Logical
The mode crossing splicing can be more beneficial for the user multiple images region different to position and intercepts.Such as deposit in the page
Multiple words lookup when, by arranging multiple light-sensitive materials mark, the multiple words being in diverse location can be entered
Row is separately labeled, and obtains corresponding image-region according to the light-sensitive material mark being provided separately, and is conducive to improving the essence of cutting
Exactness and convenience.
In step s 103, image interception is carried out according to described image region to original image, generate target image.
In embodiments of the present invention, identified according to described light-sensitive material, one or more image-region, root can be obtained
According to information such as the position in described image region and sizes, original image is intercepted, target image can be generated, in order to mesh
Logo image further processes, and such as target image is carried out with Text region, and is solved accordingly according to the text search of identification
Release or exercise question etc., be user using offering convenience.
When user needs the image obtaining is intercepted, the certain bits in the original image obtaining install the present invention
Put light-sensitive material mark, the position of the light-sensitive material mark according to described image, search corresponding image-region, according to search
Image-region, is intercepted in original image.The present invention only needs to identify ad-hoc location using light-sensitive material in advance, you can from
The dynamic corresponding image to this position intercepts, more convenient to operate efficient, and the high precision intercepting.
Embodiment two：
Fig. 2 show second embodiment of the invention provide a kind of method of quick intercepting of image realize flow process, in detail
State as follows：
In step s 201, receive photographing instruction and obtain original image, in the ad-hoc location setting of described original image
Light-sensitive material is had to identify.
In step S202, identify that the light-sensitive material in described original image is designated horizontal line mark.
Specifically, the pixel in original image can be compared with default color, whether judge the color identifying
Identical with default color, if identical, this thinks that this pixel belongs to the region that light-sensitive material mark is located.
When the region being located by described light-sensitive material mark is lines, and the distance of the head end of lines and end and line
(a certain proportion of error can be allowed) then it is assumed that the light-sensitive material in original image is designated horizontal line during the same length of bar
Mark.
In step S203, it is located in a line above described horizontal line according to described horizontal line identifier lookup and identifies with described horizontal line
Corresponding word, generates corresponding image-region according to the word searched.
In embodiments of the present invention, after identifying that described light-sensitive material is designated horizontal line mark, by searching described horizontal line
Corresponding word is identified with described horizontal line in a line of mark top.Two lower stroke of horizontal line such as in a line word, then can
To search, by two horizontal lines, two image-regions that corresponding word generates respectively.
In step S204, image interception is carried out according to described image region to original image, generate target image.
According to the number of horizontal line mark in original image, the corresponding number determining image-region, by described image region
Intercepted respectively, generated one or more image-region, target image is generated by one or more image-region.
The embodiment of the present invention on the basis of embodiment one, when identify further described light-sensitive material be designated horizontal line mark
When, according to described horizontal line mark corresponding lookup image-region, target image is generated by the image-region searched.Due to the present invention
Embodiment can carry out image interception by user by way of light-sensitive material pen is write, so that target image intercepts more
Accurately, image interception is convenient.
Embodiment three：
Fig. 3 shows the flow process of realizing of the method for quick intercepting of image that third embodiment of the invention provides, and describes in detail such as
Under：
In step S301, receive photographing instruction and obtain original image, in the ad-hoc location setting of described original image
Light-sensitive material is had to identify.
In step s 302, identify that the light-sensitive material in described original image is designated circle mark.
Specifically, the pixel in original image can be compared with default color, whether judge the color identifying
Identical with default color, if identical, this thinks that this pixel belongs to the region that light-sensitive material mark is located.
When the region being located by described light-sensitive material mark is lines, and the head end of lines is much smaller than with the distance of end
The length of lines, and the region being included by lines includes during character image the light-sensitive material mark then it is assumed that in original image
Know for circle mark.
In step S303, by described circle mark lines institute around region, as light-sensitive material mark corresponding
Image-region.
In embodiments of the present invention, after identifying that described light-sensitive material is designated circle mark, by searching described circle
A line or multline text in mark.Such as include complete multline text in circle, or include the partly literary composition in a line
Word etc., then one or more image-region of the Area generation that can be comprised by one or more circle.
In step s 304, image interception is carried out according to described image region to original image, generate target image.
According to the number of circle mark in original image, the corresponding number determining image-region, by described image region
Intercepted respectively, generated one or more image-region, target image is generated by one or more image-region.
The embodiment of the present invention is with the difference implementing two, and the embodiment of the present invention identifies that described light-sensitive material is designated
Circle identifies, and can generate one or more image-region according to described circle mark, be generated according to the image-region generating
Target image, equally has image interception high precision, the advantage intercepting efficiency high.
Example IV：
Fig. 4 shows the flow process of realizing of the method for quick intercepting of image that fourth embodiment of the invention provides, and describes in detail such as
Under：
In step S401, receive photographing instruction and obtain original image, in the ad-hoc location setting of described original image
Light-sensitive material is had to identify.
In step S402, identify that the light-sensitive material in described original image is designated and choose mark.
The described shape choosing mark can preset, and such as described chooses the shape that symbol can be redefined for " √ "
Shape or the shape such as " ☆ " or " △ ".The light-sensitive material mark of identification is compared with mark of choosing set in advance
Relatively, when both comparative results are coupling then it is assumed that described light-sensitive material is designated and chooses mark.
In step S403, the described position choosing newline after mark is located at according to described identifier lookup of choosing, according to
Described newline and described mark of choosing generate corresponding image-region.
After determining the position choosing mark, need described in further searching for, to choose the newline mark after mark.
The lookup of described newline mark, can judge according to the first distance of the row of word, when going out existing head white space occurring,
It was line feed mark before described white space.
According to described line feed mark and the described content chosen between mark it may be determined that the image district of required lookup
Domain.
In step s 404, image interception is carried out according to described image region to original image, generate target image.
The embodiment of the present invention is, the embodiment of the present invention is by choosing that user sets with embodiment one and two differences
Mark carries out the lookup of image-region so that user can facilitate the region that exercise question is located to intercept, and facilitates user to carry out
The operations such as exercise question search.And only need to choose by setting and identify, operation is more convenient.
Embodiment five：
The structural representation of the device of quick intercepting of the image that Fig. 5 provides for fifth embodiment of the invention, details are as follows：
The device of the quick intercepting of embodiment of the present invention described image, including：
Original image receiving unit 501, for receiving photographing instruction and obtaining original image, in the spy of described original image
Positioning installs and is equipped with light-sensitive material mark；
Regional search unit 502, for according to the corresponding image district of light-sensitive material identifier lookup in described original image
Domain；
Image interception unit 503, for original image being carried out with image interception according to described image region, generates target figure
Picture.
Preferably, described regional search unit includes：
First identification subelement, identifies for identifying that the light-sensitive material in described original image is designated horizontal line；
First area generates subelement, for according to described horizontal line identifier lookup be located above described horizontal line in a line with institute
State horizontal line and identify corresponding word, corresponding image-region is generated according to the word searched.
Preferably, described regional search unit includes：
Second identification subelement, identifies for identifying that the light-sensitive material in described original image is designated circle；
Second area generates subelement, for lines that described circle is identified around region, as light-sensitive material
Identify corresponding image-region.
Preferably, described regional search unit includes：
3rd identification subelement, chooses mark for identifying that the light-sensitive material in described original image is designated；
3rd Area generation subelement, for choosing newline after mark according to described identifier lookup of choosing positioned at described
Position, generates corresponding image-region according to described newline and described mark of choosing.
Preferably, described device also includes：
Instruction acquiring unit, the startup for obtaining the startup image interception class application program being produced by hardware switch refers to
Order, opens photographic head according to described enabled instruction.
The quick intercepting of embodiment of the present invention described image device, quick with embodiment one to four described image cut
The method taking corresponds to, and here is not repeated and repeats.
It should be understood that disclosed apparatus and method in several embodiments provided by the present invention, can be passed through it
Its mode is realized.For example, device embodiment described above is only schematically, for example, the division of described unit, and only
It is only a kind of division of logic function, actual can have other dividing mode when realizing, and for example multiple units or assembly can be tied
Close or be desirably integrated into another system, or some features can be ignored, or do not execute.Another, shown or discussed
Coupling each other or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING of device or unit or logical
Letter connects, and can be electrical, mechanical or other forms.
The described unit illustrating as separating component can be or may not be physically separate, show as unit
The part showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.The mesh to realize this embodiment scheme for some or all of unit therein can be selected according to the actual needs
's.
In addition, can be integrated in a processing unit in each functional unit in each embodiment of the present invention it is also possible to
It is that unit is individually physically present it is also possible to two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be to be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If described integrated unit is realized and as independent production marketing or use using in the form of SFU software functional unit
When, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part in other words prior art being contributed or all or part of this technical scheme can be in the form of software products
Embody, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or network equipment etc.) executes the complete of each embodiment methods described of the present invention
Portion or part.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of method of the quick intercepting of image is it is characterised in that methods described includes：
Receive photographing instruction and obtain original image, the ad-hoc location of described original image is provided with light-sensitive material mark；
According to the corresponding image-region of light-sensitive material identifier lookup in described original image；
Image interception is carried out according to described image region to original image, generates target image.
2. according to claim 1 method it is characterised in that the described light-sensitive material mark according in described original image is looked into
Corresponding image-region is looked for specifically include：
Identify that the light-sensitive material in described original image is designated horizontal line mark；
It is located above described horizontal line according to described horizontal line identifier lookup and identifies corresponding word with described horizontal line in a line, according to looking into
The word looked for generates corresponding image-region.
3. according to claim 1 method it is characterised in that the described light-sensitive material mark according in described original image is looked into
Corresponding image-region is looked for specifically include：
Identify that the light-sensitive material in described original image is designated circle mark；
By described circle mark lines institute around region, as light-sensitive material mark corresponding image-region.
4. according to claim 1 method it is characterised in that the described light-sensitive material mark according in described original image is looked into
Corresponding image-region is looked for specifically include：
Identify that the light-sensitive material in described original image is designated and choose mark；
The described position choosing newline after mark is located at according to described identifier lookup of choosing, according to described newline and described hook
Choosing mark generates corresponding image-region.
5. according to claim 1 method it is characterised in that in described reception photographing instruction obtain original image, in institute
State original image ad-hoc location be provided with light-sensitive material identification of steps before, methods described also includes：
Obtain the enabled instruction of the startup image interception class application program being produced by hardware switch, opened according to described enabled instruction
Photographic head.
6. a kind of device of the quick intercepting of image is it is characterised in that described device includes：
Original image receiving unit, for receiving photographing instruction and obtaining original image, in the ad-hoc location of described original image
It is provided with light-sensitive material mark；
Regional search unit, for according to the corresponding image-region of light-sensitive material identifier lookup in described original image；
Image interception unit, for original image being carried out with image interception according to described image region, generates target image.
7. according to claim 6 device it is characterised in that described regional search unit includes：
First identification subelement, identifies for identifying that the light-sensitive material in described original image is designated horizontal line；
First area generates subelement, for according to described horizontal line identifier lookup be located above described horizontal line in a line with described horizontal stroke
Line identifies corresponding word, generates corresponding image-region according to the word searched.
8. according to claim 6 device it is characterised in that described regional search unit includes：
Second identification subelement, identifies for identifying that the light-sensitive material in described original image is designated circle；
Second area generates subelement, for lines that described circle identify around region, identify as light-sensitive material
Corresponding image-region.
9. according to claim 6 device it is characterised in that described regional search unit includes：
3rd identification subelement, chooses mark for identifying that the light-sensitive material in described original image is designated；
3rd Area generation subelement, for being located at the described position choosing newline after mark according to described identifier lookup of choosing
Put, corresponding image-region is generated according to described newline and described mark of choosing.
10. according to claim 6 device it is characterised in that described device also includes：
Instruction acquiring unit, for obtaining the enabled instruction of the startup image interception class application program being produced by hardware switch, root
Open photographic head according to described enabled instruction.
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| CN201610834439.3A CN106446884A (en) | 2016-09-19 | 2016-09-19 | Method and device for rapidly capturing images |
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| CN201610834439.3A CN106446884A (en) | 2016-09-19 | 2016-09-19 | Method and device for rapidly capturing images |
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| CN111081105A (en) * | 2019-07-17 | 2020-04-28 | 广东小天才科技有限公司 | Dictation detection method in black screen standby state and electronic equipment |
| CN113781552A (en) * | 2021-09-06 | 2021-12-10 | 天津爱旭太阳能科技有限公司 | Searching method and searching system for offset machine in SE laser process |
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Application publication date: 20170222 |