CN100518261C - Apparatus and method for magnifying or lessening local area of television picture - Google Patents
Apparatus and method for magnifying or lessening local area of television picture Download PDFInfo
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- CN100518261C CN100518261C CNB2006100344616A CN200610034461A CN100518261C CN 100518261 C CN100518261 C CN 100518261C CN B2006100344616 A CNB2006100344616 A CN B2006100344616A CN 200610034461 A CN200610034461 A CN 200610034461A CN 100518261 C CN100518261 C CN 100518261C
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Abstract
The present invention relates to a device and method for local area magnification or deflation of a TV image, the device comprises a main video scaler, a sub video scaler, and a min OSD scaler and a sub OSD scaler for deflating/amplifying an OSD image. This device treats OSD data and the decoded video flow through the OSD scalers and the video scalers, the treated data are compounded through a mixer and are output to a display module. This invention separates the data flow treatment and computation, especially the main image and the OSD image, to speed up the deflating/amplifying rate of the image with high efficiency.
Description
[technical field]
The present invention relates to a kind of device for zooming and method of television image regional area, particularly a kind of a plurality of images and OSD (On Screen Display, screen display) scaler utilized carried out the implement device and the method for image and OSD part convergent-divergent respectively.
[background technology]
At present, along with the development of TV tech, TV has also adopted the multimedia technology of similar computer.For example, many digital televisions have and amplify as computer or the function of downscaled images, can carry out convergent-divergent to the regional area of television image.In No. the 200410096596.6th, Chinese patent application, disclosed a kind of Zoom method of partial area of main picture, it is at first according to including the amplification of the regional area of display image/the dwindle regulation scalability information of information, make main scaler from the view data of full images extracting data with scaled regional area, make the view data of sub-scaler then, the last view data that on the full images data that main scaler provides, covers the regional area of convergent-divergent with the regional area of regulation proportional zoom extraction.
In technique scheme, as desire to carry out OSD convergent-divergent partly, then need osd data is sent to sub-scaler by one first video synthesizer, the data after the processing are sent to former osd data module by one second video synthesizer, carry out full frame output again.Such processing mode has not only increased extra hardware module (video synthesizer), and data processing is comparatively loaded down with trivial details, and arithmetic speed is slow, inefficiency, and effect is undesirable in the pantography of reality is handled.
[summary of the invention]
Technical problem to be solved by this invention provides a kind of device for zooming and method of television image regional area, particularly a kind of implement device that utilizes a plurality of images and OSD scaler to carry out image and OSD part convergent-divergent respectively.
Another object of the present invention is to provide a kind of amplification or reduction means and method of television image regional area, this device and method utilizes a plurality of scaler, the processing of data flow is separated with computing, especially with master image and OSD figure separate processes, make that the scaling speed of image is fast, the efficient height.
A further object of the present invention provides a kind of amplification or reduction means and method of television image regional area, and this device and method can carry out corresponding convergent-divergent variation in conjunction with magnification ratio information to the data message that extracts according to the original video data stream of input or according to the reference position coordinate information.
Based on this, the present invention is achieved in that
A kind of amplification of television image regional area or reduction means, this device includes:
Video image is carried out the main video scaler (Scaler), sub-video scaler of convergent-divergent, the OSD image carried out the main OSD scaler and the sub-OSD scaler of convergent-divergent, and scaler controller, system CPU, wherein system CPU is as main control assembly, it directly connects the scaler controller, and the scaler controller connects the main video scaler of control, sub-video scaler, main OSD scaler and sub-OSD scaler respectively; Data after main video scaler and sub-video scaler are handled output to frequency mixer after synthesizing by video synthesizer, and the data that main OSD scaler and sub-OSD scaler are handled output to frequency mixer after the OSD synthesizer is synthetic.
Described each scaler is worked under the control of scaler controller.Wherein, main video scaler and main OSD scaler are used for that the entire image of TV is carried out convergent-divergent and handle, sub-video scaler and sub-OSD scaler then are used for the image of selection area is carried out the convergent-divergent processing, and the tupe of each self-forming oneself can the phase mutual interference.Data distribution is handled, and makes convergent-divergent treatment effeciency height of the present invention, and speed is fast.When main video scaler and the work of main OSD scaler, sub-video scaler and sub-OSD scaler can be in work or closed condition as required.
A kind of amplification of television image regional area or dwindle method is characterized in that: osd data stream is handled by OSD scaler and video scaler respectively with decoded video streams, and the data after the processing are again by the synthetic display module that outputs to of frequency mixer.
When the user did not import the local region contracting-expanding instruction, sub-video scaler and sub-OSD scaler were in closed condition.At this moment, main video scaler and main OSD scaler are carried out general processing and optimization according to common mode to the video data and the osd data of whole television image.
When the user instructed for the input local region contracting-expanding, sub-video scaler and sub-OSD scaler were in opening, and system CPU calculates the reference position coordinate information and the magnification ratio information of zoom area according to the command information of user's input.Under the control of system CPU, the scaler controller produces reference position coordinate information and magnification ratio information, forms scalability information, and this scalability information is sent to sub-video scaler and sub-OSD scaler.
The sub-video scaler is carried out search and the extraction that needs carry out the video image of convergent-divergent according to the reference position coordinate information in the original video data stream of input, according to magnification ratio information the data message that extracts is carried out corresponding convergent-divergent again and change; Sub-OSD scaler is carried out search and the extraction that needs carry out the OSD image of convergent-divergent according to the reference position coordinate information in the original osd data stream of input, according to magnification ratio information the data message that extracts is carried out corresponding convergent-divergent again and change.
Next, local video image through convergent-divergent exports video synthesizer to, local OSD image exports the OSD synthesizer to, synthesize with original video and osd data respectively, and finally be synthesized together at frequency mixer, output to display module and show, can reach the purpose that television image regional area video and OSD image amplify or dwindle.
The present invention adopts above-mentioned mode to carry out the processing of television video image and OSD figure, changed the mode of single scaler processing video data of former employing and osd data, data processing speed is fast when making image zoom, the efficient height, and first video synthesizer that is positioned at before the sub-scaler needn't be set, make the more reasonable simplification of structure setting.
[description of drawings]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the system block diagram of the Zoom method of television image regional area of the present invention,
Fig. 2 is the flow chart of the Zoom method of television image regional area of the present invention.
[embodiment]
See also Fig. 1, the Zoom method system of television image regional area of the present invention comprises main video scaler (Scaler) 11, the sub-video scaler 13 of video image being carried out convergent-divergent, the OSD image is carried out the main OSD scaler 21 and the sub-OSD scaler 23 of convergent-divergent, and scaler controller 40, system CPU 50
Described each scaler is worked under the control of scaler controller 40.Wherein, main video scaler 11 is used for that with main OSD scaler 21 entire image of TV is carried out convergent-divergent to be handled, and sub-video scaler 13 is used for the image of selection area is carried out the convergent-divergent processing with 23 of sub-OSD scaler.When main video scaler 11 was worked with main OSD scaler 21, sub-video scaler 13 can be in work or closed condition as required with sub-OSD scaler 23.
See also Fig. 2, when the user did not import the local region contracting-expanding instruction, sub-video scaler 13 was in closed condition with sub-OSD scaler 23.At this moment, main video scaler 11 and main OSD scaler 21 are carried out general processing and optimization according to common mode to the video data and the osd data of whole television image.
When the user imported the local region contracting-expanding instruction, sub-video scaler 13 was in opening with sub-OSD scaler 23, and system CPU 50 calculates the reference position coordinate information and the magnification ratio information of zoom area according to the command information of user's input.Under the control of system CPU 50, scaler controller 40 produces reference position coordinate information and magnification ratio information, forms scalability information, and this scalability information is sent to sub-video scaler 13 and sub-OSD scaler 23.
Next, local video image through convergent-divergent exports video synthesizer 61 to, local OSD image exports OSD synthesizer 63 to, synthesize with original video and osd data respectively, and finally be synthesized together at frequency mixer 70, output to display module and show, can reach the purpose that television image regional area video and OSD image amplify or dwindle.
Device and method of the invention process can carry out corresponding convergent-divergent variation in conjunction with magnification ratio information to the data message that extracts according to the original video data stream of input or according to the reference position coordinate information.Make video and osd data can shunt processing, for the convergent-divergent treatment effeciency height of image, speed is fast.
Claims (4)
1, a kind of amplification of television image regional area or reduction means, this device mainly includes:
To video image carry out convergent-divergent main video scaler, sub-video scaler, the OSD image is carried out the main OSD scaler and the sub-OSD scaler of convergent-divergent, and scaler controller, system CPU;
Wherein, system CPU is as main control assembly, and it directly connects the scaler controller, and the scaler controller connects the main video scaler of control, sub-video scaler, main OSD scaler and sub-OSD scaler respectively; Data after main video scaler and sub-video scaler are handled output to frequency mixer after synthesizing by video synthesizer, and the data that main OSD scaler and sub-OSD scaler are handled output to frequency mixer after the OSD synthesizer is synthetic.
2, a kind of amplification of television image regional area or dwindle method, it is characterized in that: osd data stream is carried out convergent-divergent by OSD scaler and video scaler respectively with decoded video streams handle, the data after the processing are again by the synthetic display module that outputs to of frequency mixer; The OSD scaler comprises the main OSD scaler and the sub-OSD scaler of the OSD image being carried out convergent-divergent, and video scaler comprises main video scaler, the sub-video scaler of video image being carried out convergent-divergent; When the user did not import the local region contracting-expanding instruction, sub-video scaler and sub-OSD scaler were in closed condition; At this moment, main video scaler and main OSD scaler are carried out general processing and optimization according to common mode to the video data and the osd data of whole television image; When the user imported the local region contracting-expanding instruction, sub-video scaler and sub-OSD scaler were in opening, and system CPU calculates the reference position coordinate information and the magnification ratio information of zoom area according to the command information of user's input; Under the control of system CPU, the scaler controller produces reference position coordinate information and magnification ratio information, forms scalability information, and this scalability information is sent to sub-video scaler and sub-OSD scaler.
3, the amplification of television image regional area as claimed in claim 2 or dwindle method, it is characterized in that the sub-video scaler carries out search and the extraction that needs carry out the video image of convergent-divergent according to the reference position coordinate information in the original video data stream of input, according to magnification ratio information the data message that extracts is carried out corresponding convergent-divergent again and change; Sub-OSD scaler is carried out search and the extraction that needs carry out the OSD image of convergent-divergent according to the reference position coordinate information in the original osd data stream of input, according to magnification ratio information the data message that extracts is carried out corresponding convergent-divergent again and change.
4, the amplification of television image regional area as claimed in claim 3 or dwindle method, it is characterized in that next, local video image through convergent-divergent exports video synthesizer to, local OSD image exports the OSD synthesizer to, synthesize with original video and osd data respectively, and finally be synthesized together at frequency mixer, output to display module and show.
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| CNB2006100344616A CN100518261C (en) | 2006-03-14 | 2006-03-14 | Apparatus and method for magnifying or lessening local area of television picture |
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| CNB2006100344616A CN100518261C (en) | 2006-03-14 | 2006-03-14 | Apparatus and method for magnifying or lessening local area of television picture |
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| CN100518261C true CN100518261C (en) | 2009-07-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101616281A (en) * | 2009-06-26 | 2009-12-30 | 中兴通讯股份有限公司南京分公司 | A kind of with local method and the portable terminal that amplifies of mobile TV playing picture |
| CN102547439A (en) * | 2011-12-26 | 2012-07-04 | 深圳创维数字技术股份有限公司 | Scaling method and device |
| CN107122152A (en) * | 2017-04-27 | 2017-09-01 | 南京巨鲨显示科技有限公司 | It is a kind of to amplify the display and its highlighting method for highlighting function with region |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510658A (en) * | 2002-11-18 | 2004-07-07 | 三星电子株式会社 | Image displaying device with multiscreen function |
| JP2004341238A (en) * | 2003-05-15 | 2004-12-02 | Fuji Photo Optical Co Ltd | Wide angle system zoom lens |
| CN1627790A (en) * | 2003-12-08 | 2005-06-15 | Lg电子有限公司 | Method of scaling partial area of main picture |
| JP2005184705A (en) * | 2003-12-24 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Image composing apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510658A (en) * | 2002-11-18 | 2004-07-07 | 三星电子株式会社 | Image displaying device with multiscreen function |
| JP2004341238A (en) * | 2003-05-15 | 2004-12-02 | Fuji Photo Optical Co Ltd | Wide angle system zoom lens |
| CN1627790A (en) * | 2003-12-08 | 2005-06-15 | Lg电子有限公司 | Method of scaling partial area of main picture |
| JP2005184705A (en) * | 2003-12-24 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Image composing apparatus |
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