CN107613361A - A kind of over-scanned images processing method and a kind of storage device - Google Patents
A kind of over-scanned images processing method and a kind of storage device Download PDFInfo
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Abstract
The present invention relates to multimedia technology field, more particularly to a kind of over-scanned images processing method and a kind of storage device.A kind of over-scanned images processing method, including step：Connect image display, and the display image on image display；Adjust image output parameter so that the image after adjustment is completely shown on image display；Image output parameter is recorded, and preserves image output parameter to data partition；Start Recovery patterns, read the image output parameter in data partition, the image under Recovery patterns is adjusted according to image output parameter, and carry out output display.Operated more than passing through so that picture under Recovery patterns also can complete output display, solve under Recovery patterns, over-scan the picture brought and show the problem of incomplete, greatly improve Consumer's Experience.
Description
Technical field
The present invention relates to multimedia technology field, more particularly to a kind of over-scanned images processing method and a kind of storage are set
It is standby.
Background technology
Overscan technique is a kind of CRT (Cathode Ray Tube, electron ray tube) television technologies.The technology can incite somebody to action
Image augmentation, image edge part is caused to extend to outside television screen, and television screen is only shown by paracentral portion
Point, display picture is imperfect, and the reason such as considers for compatibility, and plasma of today, LCD TV are still using overscanning
Technology.
Particularly present Android boxes are shown by HDMI or CVBS output images to TV, due to television overscan
Retouch, the image of output show on TV it is incomplete, cause key message check less than etc., experience is poor, can lead in the prior art
Cross text or key picture information, handle the problem to the direction skew of video screen centre, but it still can not really be solved
Certainly because the picture that TV overscanning is brought is shown under the problem of incomplete, particularly Recovery patterns, TV overscanning is brought
Picture show the problem of incomplete.
The content of the invention
For this reason, it may be necessary to a kind of over-scanned images processing method and a kind of storage device are provided, to solve Recovery moulds
Under formula, over-scan the picture brought and show the problem of incomplete.
To achieve the above object, a kind of over-scanned images processing method is inventor provided, concrete technical scheme is as follows：
A kind of over-scanned images processing method, including step：Image display is connected, and in described image display device
Upper display image；Adjust image output parameter so that the image after adjustment is completely shown on image display；Record image
Output parameter, and described image output parameter is preserved to data partition；Start Recovery patterns, read the figure in data partition
As output parameter, the image under Recovery patterns is adjusted according to described image output parameter, and carry out output display.
Further, described " adjustment image output parameter so that the image after adjustment completely shows on image display
Show ", in addition to step：Set and apply into android system, adjust image output boundary up and down so that after adjustment
Image is completely shown on image display.
Further, described " enter android system and application is set, adjust image output boundary up and down ", also wrap
Include step：Set and apply into android system, if image display area is more than image display screen region, to figure
As carrying out diminution processing；If image display area is less than image display screen region, processing is amplified to image.
Further, it is described " image under Recovery patterns to be adjusted according to described image output parameter, and exported
Display ", in addition to step：The length and width for showing frame buffer are calculated according to described image output parameter, and according to the display frame
The length and width of caching, output display is carried out to the image under Recovery patterns.
Further, described image output parameter includes：The scaling of image up and down.
To achieve the above object, inventor additionally provides a kind of storage device, and concrete technical scheme is as follows：
A kind of storage device, wherein being stored with instruction set, the instruction set is used to perform：Image display is connected, and
The display image on described image display device；Adjust image output parameter so that the image after adjustment is in image display
Upper complete display；Image output parameter is recorded, and preserves described image output parameter to data partition；Start Recovery moulds
Formula, the image output parameter in data partition is read, the image under Recovery patterns is adjusted according to described image output parameter,
And carry out output display.
Further, the instruction set is additionally operable to perform：" the adjustment image output parameter so that the image after adjustment
Completely shown on image display ", in addition to step：Set and apply into android system, adjustment image is up and down
Output boundary so that the image after adjustment is completely shown on image display.
Further, the instruction set is additionally operable to perform：It is described " to enter android system and application is set, adjust on image
Lower left and right output boundary ", in addition to step：Set and apply into android system, if image display area is shown more than image
Device screen region, then diminution processing is carried out to image；If image display area is less than image display screen region, right
Image is amplified processing.
Further, the instruction set is additionally operable to perform：It is described " Recovery moulds to be adjusted according to described image output parameter
Image under formula, and carry out output display ", in addition to step：The length for showing frame buffer is calculated according to described image output parameter
And width, and according to the length and width of the display frame buffer, output display is carried out to the image under Recovery patterns.
Further, the instruction set is additionally operable to perform：Described image output parameter includes：The scaling of image up and down
Ratio.
The beneficial effects of the invention are as follows：By adjusting image output parameter so that the image after adjustment is shown in image to be set
Standby complete display；Image output parameter is recorded, and preserves described image output parameter to data partition；Start Recovery moulds
Formula, the image output parameter in data partition is read, the image under Recovery patterns is adjusted according to described image output parameter,
And carry out output display so that picture under Recovery patterns also can complete output display, solve under Recovery patterns,
Over-scan the picture brought and show the problem of incomplete, greatly improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is a kind of flow chart of over-scanned images processing method described in embodiment；
Fig. 2 is the schematic diagram that embodiment described image viewing area is more than image display screen region；
Fig. 3 is the schematic diagram that embodiment described image viewing area is less than image display screen region；
Fig. 4 is a kind of module map of storage device described in embodiment.
Description of reference numerals：
400th, storage device.
Embodiment
To describe the technology contents of technical scheme, construction feature, the objects and the effects in detail, below in conjunction with specific reality
Apply example and coordinate accompanying drawing to be explained in detail.
First, some english nouns are illustrated：
HDMI：High Definition Multimedia Interface abbreviation, meaning high-definition multimedia connect
Mouthful, it is a kind of digitized video/COBBAIF technology, is adapted to the tailored version digital interface of image transmission, sound can be transmitted simultaneously
Frequency and signal of video signal.
CVBS：Composite Video Broadcast Signal abbreviation, Chinese name are wide composite video synchronization
Broadcast signal or composite video blanking and synchronization.It is the standard being widely used, also referred to as base band video or RCA videos, is (beautiful
State) NTSC (NTSC) TV signal conventional image data transmission method, it is transmitted with analog waveform
Data.
TV box：TV box is a small-sized computing terminal equipment, as long as simply by HDMI or color difference line
It is connected with traditional tv etc. technology, can just be realized on traditional tv web page browsing, Internet video play, application program peace
Among dress, or even large screen television during the photo in your mobile phone, flat board and VIDEO PROJECTION can be got home.
Frame buffer：Frame buffer memory (Frame Buffer)：Abbreviation frame buffer or video memory, it is picture shown by screen
A direct map, also known as bit map (Bit Map) or grating.Each memory cell of frame buffer is corresponded on screen
One pixel, the corresponding two field picture of whole frame buffer.Frame buffer can be in the optional position of system storage (internal memory), video control
Device processed refreshes screen by accessing frame buffer.Flush buffers Frame buffer or refresh buffer are also in frame buffer,
Here frame (frame) refers to whole screen ranges.Frame buffer has individual address, is in internal memory.We by ceaselessly to
Data are write in frame buffer, display controller is just automatically fetched according to and shown from frame buffer.Entirely
Same frame buffer in the figure in portion all shared drives.
Recovery patterns：The reforestation practices of android system, in this mode can be to the inside number of android system
According to or system modify.There is independent display system.
Referring to Fig. 1, in the present embodiment, a kind of over-scanned images processing method, it can be applicable to android system
On TV box, the Android hardware that IPTV boxes or other band HDMI/CVBS are exported can be also used in.In the present embodiment,
Image display can be：Television set, can also be that CRT monitor, LCD display and LED show in other embodiments
Display screen etc..
In the present embodiment, a kind of over-scanned images processing method is implemented as follows：
Step S101：Connect image display, and the display image on described image display device.Such as lower section can be used
Formula：TV box transmits view data to television set by HDMI or CVBS connection television sets, shows on a television set corresponding
Image.In other embodiments, TV box can also connect television set by network or other means.
Step S102：Adjust image output parameter so that the image after adjustment is completely shown on image display.Can
In the following way：Android system into TV box sets application, and picture output ratio can be set in application is set
Example, Ke Yiwei：By adjusting image output boundary up and down so that the image after adjustment completely shows on image display
Show.In the present embodiment, so-called complete display refers to that image is just completely shown on the whole screen of television set, and image shows
Show that region is not more than the whole screen of television set, nor less than the whole screen of television set.
Referring to Fig. 2, if image display area (i.e. Android boxes viewing area in Fig. 2) shows more than image and set
Standby screen area (i.e. video screen region in Fig. 2), then carry out diminution processing, as reduced in Fig. 2 to image to image
90% ratio processing so that the image after diminution just can completely be shown on image display.
Applied referring to Fig. 3, being set into android system, if image display area (i.e. Android boxes in Fig. 3
Viewing area) be less than image display screen region (i.e. video screen region in Fig. 3), then place is amplified to image
Reason, as the ratio for being amplified 110% in Fig. 3 to image is handled so that the image after amplification can be just in image display
Upper complete display.
It is to be adjusted it is good after, perform step S103：Image output parameter is recorded, and preserves described image output parameter to data
Subregion.Can be in the following way：In the present embodiment, image output parameter may include：The scaling of image up and down,
As in above-mentioned step S102, the diminution ratios of Fig. 2 up and down are that the magnification ratios of 90%, Fig. 3 up and down are
110%.These image output parameters are recorded, and are saved to data partition, can be arbitrary data partition, this implementation
Baseparameter subregions are saved in mode, it is to read to use for Recovery systems that it, which is acted on,.In present embodiment
In, the scaling value of image up and down is just identical, in other embodiments, the scaling value of image up and down
Can be different.
Image output parameter is preserved to data partition, performs step S104：Start Recovery patterns, read data
Image output parameter in subregion, the image under Recovery patterns is adjusted according to described image output parameter, and exported
Display.Can be in the following way：Into the Recovery patterns of Android boxes, after starting Recovery patterns, data are read
Image output parameter in subregion, the length and width for showing frame buffer are calculated according to described image output parameter, and according to described aobvious
Show the length and width of frame buffer, output display is carried out to the image under Recovery patterns.
By adjusting image output parameter so that the image after adjustment is completely shown on image display；Record figure
As output parameter, and described image output parameter is preserved to data partition；Start Recovery patterns, read in data partition
Image output parameter, the image under Recovery patterns is adjusted according to described image output parameter, and carries out output display so that
Picture under Recovery patterns also can complete output display, solve under Recovery patterns, over-scan the picture brought and show
Show the problem of incomplete, greatly improve Consumer's Experience.
Referring to Fig. 4, in the present embodiment, a kind of technical scheme realization of storage device 400 is as follows：
A kind of storage device 400, wherein being stored with instruction set, the instruction set is used to perform：Connect image display,
And the display image on described image display device；Adjust image output parameter so that the image after adjustment is shown in image to be set
Standby complete display；Image output parameter is recorded, and preserves described image output parameter to data partition；Start Recovery moulds
Formula, the image output parameter in data partition is read, the image under Recovery patterns is adjusted according to described image output parameter,
And carry out output display.
Further, the instruction set is additionally operable to perform：" the adjustment image output parameter so that the image after adjustment
Completely shown on image display ", in addition to step：Set and apply into android system, adjustment image is up and down
Output boundary so that the image after adjustment is completely shown on image display.
Further, the instruction set is additionally operable to perform：It is described " to enter android system and application is set, adjust on image
Lower left and right output boundary ", in addition to step：Set and apply into android system, if image display area is shown more than image
Device screen region, then diminution processing is carried out to image；If image display area is less than image display screen region, right
Image is amplified processing.Can be in the following way：
Referring to Fig. 2, if image display area (i.e. Android boxes viewing area in Fig. 2) shows more than image and set
Standby screen area (i.e. video screen region in Fig. 2), then carry out diminution processing, as reduced in Fig. 2 to image to image
90% ratio processing so that the image after diminution just can completely be shown on image display.
Applied referring to Fig. 3, being set into android system, if image display area (i.e. Android boxes in Fig. 3
Viewing area) be less than image display screen region (i.e. video screen region in Fig. 3), then place is amplified to image
Reason, as the ratio for being amplified 110% in Fig. 3 to image is handled so that the image after amplification can be just in image display
Upper complete display.
Further, the instruction set is additionally operable to perform：It is described " Recovery moulds to be adjusted according to described image output parameter
Image under formula, and carry out output display ", in addition to step：The length for showing frame buffer is calculated according to described image output parameter
And width, and according to the length and width of the display frame buffer, output display is carried out to the image under Recovery patterns.
Further, the instruction set is additionally operable to perform：Described image output parameter includes：The scaling of image up and down
Ratio.
By adjusting image output parameter so that the image after adjustment is completely shown on image display；Record figure
As output parameter, and described image output parameter is preserved to data partition；Start Recovery patterns, read in data partition
Image output parameter, the image under Recovery patterns is adjusted according to described image output parameter, and carries out output display so that
Picture under Recovery patterns also can complete output display, solve under Recovery patterns, over-scan the picture brought and show
Show the problem of incomplete, greatly improve Consumer's Experience.
It should be noted that although the various embodiments described above have been described herein, but not thereby limit
The scope of patent protection of the present invention.Therefore, based on the present invention innovative idea, to embodiment described herein carry out change and repair
Change, or the equivalent structure or equivalent flow conversion made using description of the invention and accompanying drawing content, directly or indirectly will be with
Upper technical scheme is used in other related technical areas, is included within the scope of patent protection of the present invention.
Claims (10)
1. a kind of over-scanned images processing method, it is characterised in that including step：
Connect image display, and the display image on described image display device；
Adjust image output parameter so that the image after adjustment is completely shown on image display；
Image output parameter is recorded, and preserves described image output parameter to data partition；
Start Recovery patterns, read the image output parameter in data partition, adjusted according to described image output parameter
Image under Recovery patterns, and carry out output display.
A kind of 2. over-scanned images processing method according to claim 1, it is characterised in that
" the adjustment image output parameter so that the image after adjustment is completely shown on image display ", in addition to step
Suddenly：
Set and apply into android system, adjust image output boundary up and down so that the image after adjustment shows in image
Show and completely shown in equipment.
3. a kind of over-scanned images processing method according to claim 2, it is characterised in that described " to enter Android systems
System sets application, adjusts image output boundary up and down ", in addition to step：
Set and apply into android system, if image display area is more than image display screen region, image is entered
Row diminution is handled；
If image display area is less than image display screen region, processing is amplified to image.
A kind of 4. over-scanned images processing method according to claim 1, it is characterised in that
Described " image under Recovery patterns is adjusted according to described image output parameter, and carries out output display ", in addition to
Step：
According to described image output parameter calculate show frame buffer length and width, and according to it is described display frame buffer length and width,
Output display is carried out to the image under Recovery patterns.
A kind of 5. over-scanned images processing method according to claim 1, it is characterised in that
Described image output parameter includes：The scaling of image up and down.
6. a kind of storage device, wherein being stored with instruction set, it is characterised in that the instruction set is used to perform：
Connect image display, and the display image on described image display device；
Adjust image output parameter so that the image after adjustment is completely shown on image display；
Image output parameter is recorded, and preserves described image output parameter to data partition；
Start Recovery patterns, read the image output parameter in data partition, adjusted according to described image output parameter
Image under Recovery patterns, and carry out output display.
7. a kind of storage device according to claim 6, it is characterised in that the instruction set is additionally operable to perform：
" the adjustment image output parameter so that the image after adjustment is completely shown on image display ", in addition to step
Suddenly：
Set and apply into android system, adjust image output boundary up and down so that the image after adjustment shows in image
Show and completely shown in equipment.
8. a kind of storage device according to claim 7, it is characterised in that the instruction set is additionally operable to perform：
Described " enter android system and application be set, adjust image output boundary up and down ", in addition to step：
Set and apply into android system, if image display area is more than image display screen region, image is entered
Row diminution is handled；
If image display area is less than image display screen region, processing is amplified to image.
9. a kind of storage device according to claim 6, it is characterised in that the instruction set is additionally operable to perform：
Described " image under Recovery patterns is adjusted according to described image output parameter, and carries out output display ", in addition to
Step：
According to described image output parameter calculate show frame buffer length and width, and according to it is described display frame buffer length and width,
Output display is carried out to the image under Recovery patterns.
10. a kind of storage device according to claim 6, it is characterised in that the instruction set is additionally operable to perform：
Described image output parameter includes：The scaling of image up and down.
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