CN109089161A - Image-signal processing method and image signal conversion device - Google Patents
Image-signal processing method and image signal conversion device Download PDFInfo
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- CN109089161A CN109089161A CN201811157716.7A CN201811157716A CN109089161A CN 109089161 A CN109089161 A CN 109089161A CN 201811157716 A CN201811157716 A CN 201811157716A CN 109089161 A CN109089161 A CN 109089161A
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- 238000003672 processing method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/643—Hue control means, e.g. flesh tone control
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The application provides a kind of image-signal processing method and image signal conversion device, applied to image signal conversion device, the image signal conversion device is used for converted image signal format, and it is coupled with source devices and display device, this method comprises: A. receives the picture signal of the source devices；B. the picture signal is formatted according to the signal format of the picture signal；And C. exports the picture signal to the display device；Wherein, between step A, B or step B, C, further includes: D. is adjusted the picture signal according to pre-set image mode.The application can either make to support to complete picture signal transmission between the source devices and display device of different images signal format, image adjustment can also be carried out to picture signal according to pre-set image mode simultaneously, meet the different demands of user visually, improves the viewing experience of user.
Description
Technical field
The present invention relates to the field of video and audio signal more particularly to a kind of image-signal processing method and picture signals
Conversion equipment.
Background technique
Projector be it is a kind of for amplify on the screen display image projection arrangement, be widely used at present demonstration and
In home theater.For example, being demonstrated for meeting room and in the family by connection notebook apparatus such as computer in large screen
Watch film.However, the image model of projector is single at present, it is difficult to the needs of meeting growing spectators visually.
Such as: when the dark field in projection picture signal in advance is more, the more pre- projected picture of the picture that projector is projected out can be darker, shadow
Ring user's viewing experience.
Summary of the invention
The purpose of the present invention is to provide a kind of image-signal processing method and image signal conversion devices, can turn
When changing picture signal, picture signal is adjusted according to pre-set image mode.
In order to achieve the above objectives, the present invention provides a kind of image-signal processing methods, are applied to picture signal converting means
It sets, which is used for converted image signal format, and is coupled with source devices and display device, this method
It include: the picture signal that A. receives the source devices；B. the picture signal is carried out according to the signal format of the picture signal
Format conversion；And C. exports the picture signal to the display device；Wherein, between step A, B or step B, C, further includes:
D. the picture signal is adjusted according to pre-set image mode.
Preferably, step D further include: the picture signal is adjusted according to the characteristics of image of the picture signal.
Preferably, step D further include: trigger the pre-set image mode by input module；Wherein, which is arranged
In the image signal conversion device, the input module include: the key or knobs of multiple functional locations, multiple key or knobs,
Or multiple virtual keys.
Preferably, step B includes: will be in Video Graphics Array signal, digital visual interface signals and display interface signals
Any one picture signal be converted to high-definition multimedia interface signal.
Preferably, the image signal conversion device pass through it is wired and/or wirelessly counted with the source devices
According to connection, and the image signal conversion device by it is wired and/or wirelessly with the display device carry out data connection.
The application also provides a kind of image signal conversion device, which is used for converted image signal lattice
Formula, and it is coupled with source devices and display device, which includes: receiving module, to receive the number
According to the picture signal of source device；Conversion module is coupled to the processing module, and the conversion module is to the letter according to the picture signal
Number format formats the picture signal；Output module is coupled to the processing module, and the output module is to export this
Picture signal is to the display device；And processing module, it is coupled to the receiving module, the processing module is to according to pre-set image
The picture signal is adjusted in mode.
Preferably, the processing module is adjusted the picture signal according to the characteristics of image of the picture signal.
Preferably, input module, is coupled to the processing module, the input module is to trigger the pre-set image mode；Its
In, which includes: the key or knob, multiple key or knobs or multiple virtual keys of multiple functional locations.
Preferably, the conversion module is to believe Video Graphics Array signal, digital visual interface signals and display interface
Any one picture signal in number is converted to high-definition multimedia interface signal.
Preferably, the image signal conversion device pass through it is wired and/or wirelessly counted with the source devices
According to connection, and the image signal conversion device by it is wired and/or wirelessly with the display device carry out data connection.
Compared with prior art, image-signal processing method and image signal conversion device provided by the invention are realizing figure
While as signal format conversion function, can also according to the pre-set image mode in image signal conversion device to picture signal into
Row image adjustment.Therefore, the present invention had both met the conversion of picture signal different-format between source devices and display device
Demand, while improving viewing experience of the user when watching image frame.
Detailed description of the invention
The flow diagram for the image-signal processing method that Fig. 1 is proposed by one embodiment of the invention；
The flow diagram for the image-signal processing method that Fig. 2 is proposed by another embodiment of the present invention；
The structural block diagram for the image signal conversion device that Fig. 3 is proposed by one embodiment of the invention；
The structural block diagram for the image signal conversion device that Fig. 4 is proposed by another embodiment of the present invention；
Image signal conversion device and source devices that Fig. 5 is proposed by one embodiment of the invention, display device
Interaction block diagram.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Some vocabulary is used in specification and claims to censure specific element.Have in fields
Usual skill is, it is to be appreciated that manufacturer may call the same element with different nouns.This specification and right are wanted
Ask book not in such a way that the difference of title is as element is distinguished, but with the difference of element functionally as differentiation
Criterion.Mentioned " comprising " is open term throughout the specification and claims, therefore should be construed to " including but
It is not limited to ".
Referring to Figure 1, Fig. 2 and Fig. 5, Fig. 1 are the flow diagram of image-signal processing method provided by the present application, Fig. 2
By the flow diagram for the image-signal processing method that another embodiment of the application proposes, Fig. 5 is figure provided by the present application
As chromacoder 10 and source devices 20 and the interaction block diagram of display device 30.A kind of image-signal processing method, is answered
For being coupled with the image signal conversion device 10 of source devices 20 and display device 30, comprising: step A receives data source
The picture signal of device 20；Step B formats picture signal according to the signal format of picture signal；Step C, it is defeated
Picture signal is to display device 30 out.Wherein, between step A and step B or step B and step C, further includes: step D,
Picture signal is adjusted according to pre-set image mode.In practical application, source devices 20 pass through with display device 30
Image signal conversion device 10 is coupled, and source devices 20, can for exporting multi-medium data and providing picture signal
Think the devices such as laptop, smart television, display device 30 can be projector, electricity for showing its picture signal
Depending on devices such as machine or mosaic screens.Image signal conversion device 10 receives the picture signal generated of source devices 20, receives figure
As completing signal conversion according to the signal format of picture signal after signal.In addition, output picture signal to display device 30 it
Before, i.e., between step A, B or step B, C, image signal conversion device 10 carries out figure to picture signal by pre-set image mode
As adjusting.Finally the picture signal after the conversion of completion signal and image adjustment is exported to display device 30, both meets data
The conversion requirements of picture signal different-format between source device 20 and display device 30, while improving user and being drawn in viewing image
Viewing experience when face.
Image-signal processing method provided by the present application is applied to image signal conversion device 10, is realizing picture signal turn
While changing function, picture signal can be also adjusted according to the characteristics of image of picture signal and by pre-set image mode.
Therefore, image-signal processing method can both be adjusted picture signal according to pre-set image mode, meet user in vision
On different demands, improve the viewing experience of user, at the same also can make support different images signal format data source dress
Set and display device between complete picture signal transmission.
Specifically, in step A, the picture signal of source devices 20 is received.
Source devices 20 can for high-density digital video CD used by a user (Digital Video Disc,
DVD) player, television set or laptop or any other terminal device that can export picture signal.Preferably, scheme
As signal can be Video Graphics Array (Video Graphics Array, VGA) picture signal, digital visual interface
(Digital Visual Interface, DVI) picture signal, display interface (Display Port, DP) picture signal and
Any one in high-definition multimedia (High Definition Multimedia Interface, HDMI) picture signal
Picture signal.It should be noted that only enumerating several typical picture signals, the image provided by source devices 20 herein
Signal can also be the picture signal of other signal formats, and the present invention is not limited thereto.
Due to source devices 20 and 10 data connection of image signal conversion device, image signal conversion device 10 can pass through
Data-interface or other receiving modules 100 receive the picture signal that source devices 20 provide.Picture signal may include single frames
Picture may also comprise the multiframe picture of continuous motion change, herein with no restrictions.
In step B, picture signal is formatted according to the signal format of picture signal.
Since the application range of HDMI interface is wider, strong applicability, and more fine definition is capable of providing compared with other interfaces
Content, image signal conversion device 10 be preferably HDMI chromacoder, it may be assumed that can be by other signal format (non-HDMI lattice
Formula, such as VGA, DP, DVI format) picture signal be converted to the conversion equipment of HDMI format-pattern signal.It needs to illustrate
It is that image signal conversion device 10 is not limited only to the conversion equipment of HDMI signal, can also be other kinds of signal conversion
Device, the present invention is not limited thereto.
In one embodiment, image signal conversion device 10 can solve the provided picture signal of source devices 20
Analysis, by parsing received picture signal obtain the current signal formats of picture signal, according to the picture signal lattice parsed
Formula is decoded conversion to received picture signal, and encodes the picture signal for generating object format.Preferably, work as image
When chromacoder 10 is HDMI chromacoder ,+5V voltage that HDMI chromacoder is provided by HDMI interface
For power supply, it is not necessarily to external power supply.And then the HDMI format after adjusting is ultimately generated by conversion module 200 and processing module 300
Picture signal.
As shown in Figures 1 and 2, between step A and step B or step B and step C, further includes: step D, according to default
Picture signal is adjusted in image model.
In one embodiment, it is equipped at least one pre-set image mode in image signal conversion device 10, and can lead to
It crosses microprocessor or other types of processing module 300 analyzes the characteristics of image of picture signal, include at least face in characteristics of image
Color characteristic, and included at least in color characteristic: colorimetric parameter, saturation parameters and luminance parameter and/or other color parameters
It is one of (such as: form and aspect, contrast) or a variety of.Preferably, in pre-set image mode corresponding image signals color characteristic
Middle items color parameter is equipped with reference value, and processing module 300 is received according to reference value preset in pre-set image mode with it
Every color parameter to picture signal is compared, and obtains the argument section that needs are adjusted and adjusted.Citing comes
It says, pre-set image mode can be a variety of image adjustment modes, such as: for adjusting the pre-set image mode of brightness, for adjusting
The pre-set image mode of tone.For example, when to analyze the luminance parameter in picture signal inclined for the processing modules 300 such as microprocessor
Low, i.e., picture entirety is partially dark or when dark field is on the high side, and processing module 300 is adjusted according to luminance parameter, and passes through pre-set image
Mode (brightness regulation) increases brightness to adjust picture signal image frame generated and brighten.And when processing module 300 is divided
It is unbalance that there are integral colors in precipitation picture signal, when such as lacking certain color or the weighting of certain color, can pass through default figure
The color of picture entirety is adjusted as the colorimetric parameter in mode (tone adjusting) modification color characteristic.On it should be noted that
Stating pre-set image mode can be defaulted in the processing modules such as microprocessor 300 by manufacturer for being compared in picture adjustment process
And it adjusts.In addition, user directly can select pre-set image mode according to itself viewing demand, then by processing module 300
Current image signal is adjusted according to the parameters preset value of pre-set image mode, completes image adjustment.It is i.e. of the invention
Provided image signal conversion device 10 both can automatically select pre-set image mode according to the characteristics of image of picture signal,
It can voluntarily select pre-set image mode picture signal to be adjusted according to the viewing demand of user.
Further, it is additionally provided with input module 500 on image signal conversion device 10, to trigger pre-set image mode.
Its input module 500 at least corresponds to a kind of pre-set image mode, can when user needs to select pre-set image mode
By the triggering to input module 500 to generate electric signal and be transmitted to the processing modules such as microprocessor 300, processing module 300
Image adjustment is carried out immediately to picture signal after receiving signal.Specifically, since its input module 500 corresponds at least one
Pre-set image mode can be the single key or knob of multiple functional locations, or multiple key or knobs, or
Multiple virtual keys, touch key-press etc., herein with no restrictions.
In step C, output picture signal to display device 30.
After picture signal completes image adjustment and format conversion by image signal conversion device 10, picture signal conversion
Device 10 outputs this to display device 30 to be shown, completes the display or dispensing of picture.That is image signal conversion device
10 terminate to convert the image adjustment and signal format of picture signal, and complete the function that image is shown.Preferably, when display fills
When setting 30 as projector, image signal conversion device 10 can be coupled to projector and complete to show the throwing of image by projector
It puts, by the image adjustment to picture signal, the image frame user preferably launched out by projector is watched, and is passed through simultaneously
A variety of pre-set image modes increase the viewing selection of user, improve the viewing experience of user.
After display device 30 generates display picture, user can be selected again according to the viewing demand of itself by key
Pre-set image mode, image signal conversion device 10 carry out picture signal according to the selected pre-set image mode of user again
It adjusts, user is met with this, the difference of image frame is required when watching image frame.
In one embodiment, image signal conversion device 10 by wired or wireless mode and source devices 20 into
Row data connection, while mode and display device 30 that can also be wired or wireless carry out data connection.For example, picture signal
Conversion equipment 10 can connect source devices 20 by wired mode, and wirelessly be connected with display device 30
It connects, is also possible to only be attached by wired mode and source devices 20 and display device 30, the present invention is not with this
It is limited.
Image-signal processing method provided by the present application is suitable for image signal conversion device 10, image signal conversion device
10 are coupled with the source devices 20 for providing picture signal and the display device 30 for showing picture.Picture signal turns
Changing device 10 receives picture signal provided by source devices 20, and according to the characteristics of image of its picture signal by default
Picture signal is adjusted in image model, and user can also carry out actively selection to pre-set image mode according to viewing demand with right
Picture signal is adjusted.Before picture signal is sent to display device 30 by image signal conversion device 10, picture signal
10 pairs of received picture signals of institute of conversion equipment carry out signal format conversion, are finally completed the display or dispensing of image frame.Its
In, user can select pre-set image mode set by image signal conversion device 10 to picture signal by input module 500
It is adjusted.In conclusion this method had both been met between source devices 20 and display device 30 to image signal format
Conversion requirements, while can automatically adjust to picture signal, it can also be selected to carry out picture signal different tune according to user
It is whole, improve viewing experience of the user when watching picture.
In addition, referring to Fig. 3, Fig. 3 is the structural block diagram of image signal conversion device 10 provided by the present application.The application is also
There is provided a kind of image signal conversion device 10, comprising: to receive the receiving module 100 of the picture signal of source devices 20；
The processing module 300 coupled with receiving module 100, to carry out image adjustment to picture signal by pre-set image mode；With
The output module 400 that processing module 300 couples, to export picture signal to display device 30；And with 300 coupling of processing module
The conversion module 200 connect, to be formatted according to the signal format of picture signal to picture signal.In practical application
In, image signal conversion device 10 is carried out by wired or wireless mode and image signal conversion device 10, display device 30
Data connection, to guarantee the transmission of picture signal.
Source devices 20 can be DVD player, television set or laptop used by a user or other
Meaning can export the terminal device of picture signal.Preferably, picture signal can be VGA picture signal, DVI picture signal, DP
Any one interface signal in picture signal.It should be noted that several typical video interface signals only are enumerated herein,
Can also be the picture signal of other signal formats by the picture signal that source devices 20 provide, the present invention not as
Limit.
Source devices 20 and 10 data connection of image signal conversion device, image signal conversion device 10 are connect by data
Mouth or other receiving modules 100 receive the picture signal that source devices 20 provide.Picture signal may include single frames picture,
It may include the multiframe picture of continuous motion change, herein with no restrictions.
Specifically, it when image signal conversion device 10 and source devices 20 are connected by wire, connects
It receives module 100 and includes at least an interface unit, interface unit is that image signal conversion device 10 and 20 data of source devices connect
The video interface connect.
In one embodiment, conversion module 200 is used to carry out lattice to picture signal according to the signal format of picture signal
Formula conversion.Since the application range of HDMI interface is wider, strong applicability, and be capable of providing compared with other interfaces more high-definition
Content, image signal conversion device 10 are preferably HDMI chromacoder, can by other signal formats (non-HDMI format,
Such as VGA, DP, DVI format) picture signal be converted to the conversion equipment of HDMI format-pattern signal.It should be noted that figure
As chromacoder 10 is not limited only to HDMI chromacoder, other kinds of chromacoder can also be, this
Invention is not limited thereto.
Conversion module 200 can parse the provided picture signal of source devices 20, pass through the received figure of parsing institute
As signal obtains the current signal formats of picture signal, according to the image signal format parsed to received picture signal
It is decoded conversion, and encodes the picture signal for generating object format.Preferably, when image signal conversion device 10 is HDMI letter
When number conversion equipment, the picture signal of HDMI format is ultimately generated.
In one embodiment, it is equipped at least one pre-set image mode in image signal conversion device 10, and can lead to
The characteristics of image that processing module 300 analyzes picture signal is crossed, includes at least color characteristic in characteristics of image, and in color characteristic extremely
Include less: in colorimetric parameter, saturation parameters and luminance parameter and/or other color parameters (such as: form and aspect, contrast)
It is one or more.Preferably, processing module 300 is microprocessor, and in pre-set image mode corresponding image signals color it is special
Every color parameter is equipped with reference value in sign, and processing module 300 is connect according to reference value preset in pre-set image mode with it
The every color parameter for receiving picture signal is compared, and obtains the argument section that needs are adjusted and adjusted.Citing
For, pre-set image mode can be a variety of image adjustment modes, such as adjusting the brightness regulation mode of brightness, for adjusting
The tone shaping modes of tone.For example, when processing module 300 analyzes, the luminance parameter in picture signal is relatively low, i.e., picture is whole
When body is partially dark or dark field is on the high side, processing module 300 is adjusted according to luminance parameter, and passes through pre-set image mode (brightness tune
Section) increase brightness to adjust picture signal image frame generated and brighten.And when processing module 300 analyzes picture signal
In that there are integral colors is unbalance, such as lack certain color or when certain color is laid particular stress on, pre-set image mode (tone tune can be passed through
Section) colorimetric parameter in color characteristic is modified to adjust the color of picture entirety.It should be noted that above-mentioned pre-set image mode
It can be defaulted in by manufacturer in processing module 300 for being compared and adjust in picture adjustment process.In addition, user can be according to certainly
Body viewing demand directly selects pre-set image mode, then is joined by processing module 300 according to the items of pre-set image mode
Current image signal is adjusted in number preset value, completes image adjustment.Image signal conversion device i.e. provided by the present invention
10 both can automatically select pre-set image mode according to the characteristics of image of picture signal, can also according to the viewing demand of user from
Row selection pre-set image mode is to be adjusted picture signal.
Fig. 4 is referred to, Fig. 4 is the structural block diagram for the image signal conversion device 10 that another embodiment of the application provides.It is excellent
Selection of land further includes input module 500 on image signal conversion device 10, to trigger pre-set image mode.Its input module 500
A kind of pre-set image mode is at least corresponded to, it, can be by input mould when user needs to select pre-set image mode
To generate electric signal and be transmitted to the processing modules such as microprocessor 300, processing module 300 receives right after signal for the triggering of block 500
Picture signal carries out image adjustment immediately.Specifically, since its input module 500 corresponds at least one pre-set image mould
Formula can be the single key or knob of multiple functional locations, or multiple key or knobs or multiple virtually press
Key, touch key-press etc., herein with no restrictions.
In one embodiment, it is carried out by way of wired connection with display device 30 when image signal conversion device 10
When connection, output module 400 includes at least an output interface, to carry out data connection with display device 30.Work as picture signal
After completing image adjustment and format conversion by image signal conversion device 10, output module 400 outputs this to display device
30 to be shown, completes the display or dispensing of picture.So far, image signal conversion device 10 terminates the image to picture signal
It adjusts and signal format is converted, and complete the function that image is shown.Preferably, when display device 30 is projector, image letter
Number conversion equipment 10 can be coupled to projector and complete the dispensing of display image by projector, pass through the image to picture signal
It adjusts, the image frame user preferably launched out by projector watches, while being increased by a variety of pre-set image modes
The viewing of user selects, and improves the viewing experience of user.
After display device 30 generates display picture, user can be according to itself viewing demand, by input module 500
Case select pre-set image mode again, processing module 300 is according to the selected pre-set image mode of user to picture signal
It is adjusted again, user is met with this, the difference of image frame is required when watching image frame.
In one embodiment, image signal conversion device 10 may also include radio receiving transmitting module, so that picture signal turns
Changing device 10 wirelessly carries out data connection with source devices 20 and/or display device 30.
Image signal conversion device 10 provided herein is illustrated below with reference to specific application scenarios: data
Source device 20 is laptop and is equipped with DVI interface, and display device 30 is projector, for projected picture and is equipped with HDMI
Interface, laptop and projector carry out data connection by image signal conversion device 10.Image signal conversion device 10
Image adjustment and format are carried out to DVI picture signal provided by laptop by processing module 300 and conversion module 200
Conversion, after the format conversion of conversion module 200, the output HDMI picture signal of image signal conversion device 10 to projector,
To complete the dispensing of image frame by projector.In addition, user can also pass through the input mould on image signal conversion device 10
Block 500 selects pre-set image mode again.
It should be noted that the specific embodiment of the image signal conversion device 10 of the application is as described above, no longer superfluous herein
It states.In addition, the various pieces or function in Fig. 1, that is, image-signal processing method shown in Fig. 2 control logic all can pass through
The combinations of software and hardware is realized.
In conclusion the picture signal provided by source device 20, and root for receiving data of image signal conversion device 10
Image adjustment and format conversion are carried out to picture signal according to the characteristics of image and signal format of its picture signal, meanwhile, image letter
Number conversion equipment is additionally provided with input module so that user selects pre-set image mode, according to selected pre-set image mould
Image is adjusted in formula.Finally, by treated, picture signal is exported to display device to complete image signal conversion device
Display or the purpose for launching image, during launching and showing to image, user can select again in advance according to viewing demand
If image model.Therefore, the present invention had both met and had needed between source devices and display device to the conversion of image signal format
It asks, while can also automatically adjust to picture signal provided by source devices 20, and selected according to user to image
Signal is adjusted, and improves viewing experience of the user when watching picture.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (10)
1. a kind of image-signal processing method is applied to image signal conversion device, the image signal conversion device is for converting
Image signal format, and it is coupled with source devices and display device, which is characterized in that this method comprises:
A. the picture signal of the source devices is received；
B. the picture signal is formatted according to the signal format of the picture signal；And
C. the picture signal is exported to the display device；
Wherein, between step A, B or step B, C, further includes:
D. the picture signal is adjusted according to pre-set image mode.
2. image-signal processing method as described in claim 1, which is characterized in that step D further include:
The picture signal is adjusted according to the characteristics of image of the picture signal.
3. image-signal processing method as described in claim 1, which is characterized in that step D further include:
The pre-set image mode is triggered by input module；
Wherein, which is set to the image signal conversion device, which includes: the key of multiple functional locations
Or knob, multiple key or knobs or multiple virtual keys.
4. image-signal processing method as described in claim 1, which is characterized in that step B includes:
By any one picture signal conversion in Video Graphics Array signal, digital visual interface signals and display interface signals
For high-definition multimedia interface signal.
5. image-signal processing method as described in claim 1, which is characterized in that the image signal conversion device passes through wired
And/or data connection wirelessly is carried out with the source devices, and the image signal conversion device passes through wired and/or nothing
The mode of line and the display device carry out data connection.
6. a kind of image signal conversion device, which is used for converted image signal format, and is coupled with number
According to source device and display device, which is characterized in that the image signal conversion device includes:
Receiving module, to receive the picture signal of the source devices；
Conversion module is coupled to the processing module, and the conversion module is to the signal format according to the picture signal to the image
Signal formats；
Output module is coupled to the processing module, and the output module is to export the picture signal to the display device；And
Processing module is coupled to the receiving module, and the processing module is to carry out the picture signal according to pre-set image mode
It adjusts.
7. image signal conversion device as claimed in claim 6, which is characterized in that the processing module is according to the picture signal
The picture signal is adjusted in characteristics of image.
8. image signal conversion device as claimed in claim 6, which is characterized in that the image signal conversion device further include:
Input module is coupled to the processing module, and the input module is to trigger the pre-set image mode；
Wherein, the input module include: the key or knobs of multiple functional locations, multiple key or knobs or it is multiple virtually by
Key.
9. image signal conversion device as claimed in claim 6, which is characterized in that the conversion module is to by video and graphic battle array
Any one picture signal in column signal, digital visual interface signals and display interface signals is converted to high-definition multimedia
Interface signal.
10. image signal conversion device as claimed in claim 6, which is characterized in that the image signal conversion device is by having
Line and/or data connection is wirelessly carried out with the source devices, and the image signal conversion device by wired and/or
Wirelessly data connection is carried out with the display device.
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| CN201811157716.7A CN109089161A (en) | 2018-09-30 | 2018-09-30 | Image-signal processing method and image signal conversion device |
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