CN103475822B - image processing method, device and terminal device - Google Patents
image processing method, device and terminal device Download PDFInfo
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- CN103475822B CN103475822B CN201310381874.1A CN201310381874A CN103475822B CN 103475822 B CN103475822 B CN 103475822B CN 201310381874 A CN201310381874 A CN 201310381874A CN 103475822 B CN103475822 B CN 103475822B
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Abstract
The invention discloses a kind of image processing method, device and terminal device, belong to multimedia technology field.Methods described includes：Overscanning percentage is obtained, the overscanning percentage is the ratio that display interface is accounted for by the image display area after overscanning；Adjustment image output parameter so that the ratio that the output image after adjustment accounts for the display interface is the overscanning percentage；According to the image output parameter after the adjustment, output image.The device includes：Acquisition module 301, adjusting module 302 and output module 303.The present invention helps user to obtain overscanning percentage manually by terminal device, the ratio of display interface is accounted for by the image display area after overscanning, and according to the overscanning percentage, adjustment image output parameter, so that the output image size after adjustment is identical with the image display area, then the image display area can complete display output image, it is ensured that the integrality of display picture.
Description
Technical field
The present invention relates to multimedia technology field, more particularly to a kind of image processing method, device and terminal device.
Background technology
Overscan technique is a kind of CRT (Cathode Ray Tube, electron ray tube) television technologies.The technology can be by
Image augmentation, causes image edge part to extend to outside television screen, and television screen is only shown by paracentral portion
Point, display picture is imperfect, and in reasons such as compatibility considerations, plasma of today, LCD TV still employ overscanning
Technology.
To solve, because of the incomplete problem of television set display picture caused by overscanning, can generally to use closing television
The display of television set, i.e., be set to full screen display by the method that machine over-scans function.
At least there is problems with the method for the overscanning function of above-mentioned closing television machine：(1) most of television sets are not propped up
Hold full screen display, it is impossible to the display of television set be set to full screen display, i.e., cannot closing television overscanning function；(2) it is most
User does not know that television set has overscanning function, and also not knowing can manually set the overscanning work(of closing television machine
Energy.
The content of the invention
In order to solve the above problems, a kind of image processing method, device and terminal device are the embodiment of the invention provides.Should
Technical scheme is as follows：
On the one hand, there is provided a kind of image processing method, the method includes：
Overscanning percentage is obtained, the overscanning percentage is to account for display circle by the image display area after overscanning
The ratio in face；
Adjustment image output parameter so that the ratio that the output image after adjustment accounts for the display interface is the overscanning percentage
Than；
According to the image output parameter after the adjustment, output image.
On the other hand, there is provided a kind of image processing apparatus, the device includes：
Acquisition module, for obtaining overscanning percentage, the overscanning percentage is to show by the image after overscanning
Show that region accounts for the ratio of display interface；
Adjusting module, for adjusting image output parameter so that the output image after adjustment accounts for the ratio of the display interface
It is the overscanning percentage；
Output module, for according to the image output parameter after the adjustment, output image.
Another aspect, additionally provides a kind of terminal device, and the terminal device includes transceiver, processor and memory,
And one or more than one program, one of them or more than one program storage in the memory, and by this
Reason device performs one or more than one program bag containing the instruction for carrying out following operation：Overscanning percentage is obtained,
The overscanning percentage is the ratio that display interface is accounted for by the image display area after overscanning；Adjustment image output ginseng
Number so that the ratio that the output image after adjustment accounts for the display interface is the overscanning percentage；After the adjustment
Image output parameter, output image.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
Method provided in an embodiment of the present invention, helps user to obtain overscanning percentage manually by terminal device, that is, pass through
Image display area after overscanning accounts for the ratio of display interface, and according to the overscanning percentage, adjustment image output
Parameter so that the output image size after adjustment is identical with the image display area, then the image display area can completely show
Show output image, it is ensured that the integrality of display picture.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is image processing method flow chart provided in an embodiment of the present invention；
Fig. 2 is image processing method flow chart provided in an embodiment of the present invention；
Fig. 3 is image processing apparatus structural representation provided in an embodiment of the present invention；
Fig. 4 is image processing apparatus structural representation provided in an embodiment of the present invention；
Fig. 5 is the structural representation of the terminal device involved by the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of flow chart of image processing method provided in an embodiment of the present invention.The executive agent of the embodiment is
Terminal device, referring to Fig. 1, the method includes：
101st, overscanning percentage is obtained, the overscanning percentage is to account for aobvious by the image display area after overscanning
Show the ratio at interface；
102nd, image output parameter is adjusted so that the ratio that the output image after adjustment accounts for the display interface is the overscanning
Percentage；
103rd, according to the image output parameter after the adjustment, output image.
Method provided in an embodiment of the present invention, helps user to obtain overscanning percentage manually by terminal device, that is, pass through
Image display area after overscanning accounts for the ratio of display interface, and according to the overscanning percentage, adjustment image output
Parameter so that the output image size after adjustment is identical with the image display area, then the image display area can completely show
Show output image, it is ensured that the integrality of display picture.
It is preferred that obtain overscanning percentage including：
Detect the first adjustment operation on the display interface；
The region that the first adjustment operation determines is retrieved as image display area；
According to the image display area and the display interface, overscanning percentage is obtained.
It is preferred that adjustment image output parameter so that the ratio that the output image after adjustment accounts for the display interface is the mistake
Scanning percentage includes：
When the second adjustment operation to output image is detected, according to the image size that the second adjustment operation determines,
Adjust the image output parameter.
It is preferred that the second adjustment operation is to the drag operation at the output image edge or for exporting the output image
Application Program Interface drag operation.
It is preferred that the image output parameter include image coding and decoding parameter, output image resolution ratio, output image size,
At least one in output image length-width ratio.
Fig. 2 is the flow chart of another image processing method provided in an embodiment of the present invention.The executive agent of the embodiment
It is terminal device, referring to Fig. 2, the method includes：
201st, the first adjustment operation on terminal device detection display interface；
In embodiments of the present invention, after by overscanning, shown image is not output image on display interface
Whole, and the only core including output image, in order to determine current image display area, terminal device provides one
Planting can be by the manually implemented determination mode of user.Specifically, display interface shows a rectangular area, when detecting to the square
During the first adjustment operation in shape region, according to the operation for detecting, the rectangular area is processed accordingly, when detecting use
When operation (such as double click operation or the clicking operation to acknowledgement key) of adjustment is terminated, step 202 is performed.Wherein, this first
Adjustment operation can be the operation for adjusting scope included by rectangular area such as drag operation or zoom operations, and the present invention is implemented
Example is not especially limited to this.
202nd, the region that the first adjustment operation determines is retrieved as image display area by terminal device；
Specifically, in the step 202, the region that the first adjustment operation determines is retrieved as into image display area includes：
Record the original position and final position of the first adjustment operation；Obtain with the original position and line of the final position as end points
The cornerwise rectangular areas of Duan Zuowei；The rectangular area is defined as image display area.
203rd, terminal device obtains overscanning percentage, overscanning hundred according to the image display area and the display interface
Divide than being the ratio that display interface is accounted for by the image display area after overscanning；
Specifically, according to the image display area and the display interface, obtaining overscanning percentage includes：According to what is obtained
Image display area, calculates the size of the image display area after process overscanning, calculates by after overscanning
Image display area size and display interface size ratio, that is, over-scan percentage.
It is preferred that according to the image display area and the display interface, obtaining overscanning percentage can also be：According to this
Image display area and display interface, can know that pixel number that the image display area includes and display interface are included
Pixel number, calculate the pixel number that the pixel number that the image display area includes is included with display interface
Ratio, then the ratio be overscanning percentage.
It should be noted that step 201-203 is the process for obtaining overscanning percentage, figure is chosen manually by by user
As viewing area, to obtain image display area, and the size of image display area is calculated, so as to calculate overscanning percentage
Than.It is such as automatic by scanning form by terminal device and in actual applications, the acquisition can also be realized by other means
Obtain, the embodiment of the present invention is not limited this.
204th, terminal device adjustment image output parameter so that the ratio that the output image after adjustment accounts for the display interface is
The overscanning percentage；
Wherein, the image output parameter includes image coding and decoding parameter, output image resolution ratio, output image size, defeated
Go out at least one in image length-width ratio.
In the step 204, image output parameter is adjusted so that the ratio that the output image after adjustment accounts for the display interface is
The overscanning percentage can include following any one mode：(1) adjust image coding and decoding relevant parameter, such as decoding process, regard
Frequency output format, maximum video code check and image resolution ratio etc., change the size of the output image generated by codec so that
The ratio that the output image accounts for the display interface is the overscanning percentage, by display device by this by the defeated of codec generation
Go out picture original to show；(2) when the second adjustment operation to output image is detected, determined according to the second adjustment operation
Image size, adjust the image output parameter.Wherein, the second adjustment operation is the drag operation to the output image edge
Or for exporting the drag operation of the Application Program Interface of the output image.Operated when the second adjustment to output image is detected
When, according to the image size that the second adjustment operation determines, adjusting the image output parameter includes：When detecting to output image
The second adjustment operation be drag operation to the output image edge, or for exporting the Application Program Interface of the output image
Drag operation when, the position at the end of the drag operation is recorded, according to the position at the end of the drag operation, it is determined that after adjustment
Image display area, according to the size of image display area after adjustment, adjusts image output parameter so that the output figure after adjustment
As identical with the size of image display area.(2) the kind adjustment refers to not change image coding and decoding relevant parameter, i.e., by compiling
The size of the output image of decoder generation does not change, and adjusts the relevant parameter of application program when showing, e.g., shows video model
Enclose (1/4,1/2 and 1 etc.), output image size, (length-width ratio is 16 to output image length-width ratio:9 or 4:3 etc.) the image output ginseng such as
Number, the output image compression display that will be generated by codec so that the ratio that the output image of display accounts for the display interface is
The overscanning percentage；Such as, the displaying ratio of window is adjusted, output image is reduced into and is accounted for original ratio for the overscanning hundred
Divide than display.
205th, terminal device is according to the image output parameter after the adjustment, output image.
Due to the image display area that the basis for adjusting image output parameter is determination, therefore, according to the figure after the adjustment
As output parameter export image just can it is determined that image display area completely show.
Above-mentioned terminal device can be the terminal device for being processed vision signal, such as Set Top Box, television set
Processor etc..
Method provided in an embodiment of the present invention, helps user to obtain overscanning percentage manually by terminal device, that is, pass through
Image display area after overscanning accounts for the ratio of display interface, and according to the overscanning percentage, adjustment image output
Parameter so that the output image size after adjustment is identical with the image display area, then the image display area can completely show
Show output image, it is ensured that the integrality of display picture.
Fig. 3 is a kind of structural representation of image processing apparatus provided in an embodiment of the present invention.Referring to Fig. 3, the device bag
Include：Acquisition module 301, adjusting module 302 and output module 303；Wherein, acquisition module 301 is used to obtain overscanning percentage,
The overscanning percentage is the ratio that display interface is accounted for by the image display area after overscanning；Acquisition module 301 and tune
Mould preparation block 302 is connected, and adjusting module 302 is used to adjust image output parameter so that the output image after adjustment accounts for display circle
The ratio in face is the overscanning percentage；Adjusting module 302 is connected with output module 303, and output module 303 is used for according to the tune
Image output parameter after whole, output image.
It is preferred that Fig. 4 is the structural representation of another image processing apparatus provided in an embodiment of the present invention.Referring to Fig. 4,
On the basis of Fig. 3 shown device structures, the acquisition module 301 includes：Detection unit 3011, first acquisition unit 3012 and
Two acquiring units 3013；Wherein, the first adjustment operation that detection unit 3011 is used to detect on the display interface；Detection unit
3011 are connected with first acquisition unit 3012, and first acquisition unit 3012 is used to obtain in the region that the first adjustment operation determines
It is image display area；First acquisition unit 3012 is connected with second acquisition unit 3013, and second acquisition unit 3013 is used for root
According to the image display area and the display interface, overscanning percentage is obtained.
It is preferred that the adjusting module 302 is additionally operable to when detecting to the second of output image the adjustment operation, according to this
The image size that two adjustment operations determine, adjusts the image output parameter.
It is preferred that the second adjustment operation is to the drag operation at the output image edge or for exporting the output image
Application Program Interface drag operation.
It is preferred that the image output parameter include image coding and decoding parameter, output image resolution ratio, output image size,
At least one in output image length-width ratio.
It should be noted that：The image processing apparatus that above-described embodiment is provided when image procossing is carried out, only with above-mentioned each
The division of functional module is carried out for example, in practical application, as needed can distribute by different work(above-mentioned functions
Can module complete, will the internal structure of equipment be divided into different functional modules, to complete whole described above or portion
Divide function.In addition, the image processing apparatus that above-described embodiment is provided belong to same design with image processing method embodiment, its tool
Body implementation process refers to embodiment of the method, repeats no more here.
Fig. 5 is a kind of terminal device structural representation provided in an embodiment of the present invention.Referring to Fig. 5, the terminal device can be with
For the image processing method for implementing to be provided in above-described embodiment.Specifically：Terminal device includes transceiver 501, treatment
Device 502 and memory 503, and one or more than one program, one of them or more than one program storage is in this
In memory, and it is configured to by one or more than one computing device this or more than one program bag containing being used for
Carry out the instruction of following operation：Overscanning percentage is obtained, the overscanning percentage is to be shown by the image after overscanning
Region accounts for the ratio of display interface；Adjustment image output parameter so that the output image after adjustment accounts for the ratio of the display interface
It is the overscanning percentage；According to the image output parameter after the adjustment, output image.
It is preferred that the memory is also stored with performs the instruction of following operation：
Detect the first adjustment operation on the display interface；
The region that the first adjustment operation determines is retrieved as image display area；
According to the image display area and the display interface, overscanning percentage is obtained.
It is preferred that the memory is also stored with performs the instruction of following operation：
When the second adjustment operation to output image is detected, according to the image size that the second adjustment operation determines,
Adjust the image output parameter.
It is preferred that the second adjustment operation is to the drag operation at the output image edge or for exporting the output image
Application Program Interface drag operation.
It is preferred that the image output parameter include image coding and decoding parameter, output image resolution ratio, output image size,
At least one in output image length-width ratio.
Above-mentioned all optional technical schemes, can form alternative embodiment of the invention, herein no longer using any combination
Repeat one by one.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, it is also possible to instruct the hardware of correlation to complete by program, the program being somebody's turn to do can be stored in a kind of computer-readable and deposit
In storage media, storage medium mentioned above can be read-only storage, disk or CD etc..
Should be only above presently preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and former
Within then, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (5)
1. a kind of image processing method, it is characterised in that methods described includes：
The first adjustment operation on detection display interface, the first adjustment operation is drag operation or zoom operations；
The original position and final position of the first adjustment operation are recorded, is obtained with the original position and the final position
It is the line segment of end points as cornerwise rectangular area；The rectangular area is defined as image display area；
According to described image viewing area and the display interface, obtain overscanning percentage, the overscanning percentage be through
Image display area after overscanning accounts for the ratio of display interface；
When the second adjustment operation to output image is detected, according to the image size that the described second adjustment operation determines, adjust
Whole described image output parameter so that the ratio that the output image after adjustment accounts for the display interface is the overscanning percentage
Than；Wherein, the second adjustment operation is the drag operation to the Application Program Interface for exporting the output image；
According to the image output parameter after the adjustment, output image, size and the described image viewing area of described image
Size is identical.
2. method according to claim 1, it is characterised in that described image output parameter include image coding and decoding parameter,
At least one in output image resolution ratio, output image size, output image length-width ratio.
3. a kind of image processing apparatus, it is characterised in that described device includes：
Acquisition module, for obtaining overscanning percentage, the overscanning percentage is to be shown by the image after overscanning
Region accounts for the ratio of display interface；
Adjusting module, for adjusting image output parameter so that the ratio that the output image after adjustment accounts for the display interface is
The overscanning percentage；
Output module, for according to the image output parameter after the adjustment, output image, the size of described image and the figure
As the size of viewing area is identical；
Wherein, the acquisition module includes：
Detection unit, for detecting the first adjustment operation on the display interface, the first adjustment operation is drag operation
Or zoom operations；
First acquisition unit, original position and final position for recording the first adjustment operation, obtains with the starting
Position and the final position are the line segment of end points as cornerwise rectangular area；The rectangular area is defined as into image to show
Show region；
Second acquisition unit, for according to described image viewing area and the display interface, obtaining overscanning percentage；
Wherein, the adjusting module is additionally operable to, when the second adjustment operation to output image is detected, be adjusted according to described second
The image size that whole operation determines, adjusts described image output parameter, wherein, the second adjustment operation is to for exporting
State the drag operation of the Application Program Interface of output image.
4. device according to claim 3, it is characterised in that described image output parameter include image coding and decoding parameter,
At least one in output image resolution ratio, output image size, output image length-width ratio.
5. a kind of terminal device, it is characterised in that the terminal device includes transceiver, processor and memory, Yi Jiyi
Individual or more than one program, one of them or more than one program storage in the memory, and by the processor
One or more than one program bag is performed containing the instruction for carrying out following operation：The first tune on detection display interface
Whole operation, the first adjustment operation is drag operation or zoom operations；The region that described first adjustment operation determines is obtained
It is image display area；According to described image viewing area and the display interface, overscanning percentage, the overscanning are obtained
Percentage is the ratio that display interface is accounted for by the image display area after overscanning；When detecting to output image second
During adjustment operation, according to the image size that the described second adjustment operation determines, described image output parameter is adjusted, wherein, it is described
Second adjustment operation is the drag operation to the Application Program Interface for exporting the output image so that the output after adjustment
The ratio that image accounts for the display interface is the overscanning percentage；According to the image output parameter after the adjustment, output
Image, the size of described image is identical with the size of described image viewing area.
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| CN201310381874.1A CN103475822B (en) | 2013-08-28 | 2013-08-28 | image processing method, device and terminal device |
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| CN105578223A (en) * | 2014-10-09 | 2016-05-11 | 乐视致新电子科技（天津）有限公司 | Method and system for setting over-scanning parameters of television |
| CN109873922B (en) * | 2019-02-20 | 2021-01-19 | 广州视源电子科技股份有限公司 | Method and device for adjusting overscan parameters, display equipment and storage medium |
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| CN101263723A (en) * | 2005-06-30 | 2008-09-10 | 惠普开发有限公司 | Methods and apparatus for detecting and adjusting over-scanned images |
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| US20050157171A1 (en) * | 2004-01-15 | 2005-07-21 | Bowser Todd S. | Reducing burn-in associated with mismatched video image/display aspect ratios |
| KR101321435B1 (en) * | 2006-11-10 | 2013-10-25 | 삼성전자주식회사 | Computer system and control method thereof |
| CN102137241B (en) * | 2010-01-27 | 2014-03-12 | 联想(北京)有限公司 | Display device and display method thereof |
| CN102543043B (en) * | 2012-02-03 | 2014-06-18 | 深圳创维－Rgb电子有限公司 | Overscanning automatic adjustment method and system of display equipment |
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