CN1246020A - Interative amplification method of TV picture - Google Patents
Interative amplification method of TV picture Download PDFInfo
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- CN1246020A CN1246020A CN 98126461 CN98126461A CN1246020A CN 1246020 A CN1246020 A CN 1246020A CN 98126461 CN98126461 CN 98126461 CN 98126461 A CN98126461 A CN 98126461A CN 1246020 A CN1246020 A CN 1246020A
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- microcontroller
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- indication frame
- magnification
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Abstract
The present invention relates to an interactive magnification method for TV picture, including the following steps: a user gives a command for selecting magnification zone to microcontroller of TV set; b. the microcontroller gives a control signal to control screen display circuit to display an indication frame on the screen; c. the position of the above-mentioned indication frame is arbitrarily moved on the screen until the magnification zone is selected; and d. the remote controller is used to give the magnification command to the microcontroller, then the microcontroller controls the magnification function circuit to magnify and display the above-mentioned selected zone. Said invention can make the user conveniently and flexibly magnify and observe arbitrary local zone of TV picture.
Description
The present invention relates to a kind of method that television image is carried out local amplification, particularly relate to a kind of interactive amplification method of television image.
At present, along with the development of TV tech, television receiver has also adopted the multimedia technology of computer.Television set except as general television set for people the play abundant TV programme, can also promptly use as the monitor of computer system as the large-screen computer monitor.But, also do not reach the definition of computer monitor as the multimedia TV set of display owing to be subjected to the restriction of current television system display resolution.In known technology, people have proposed a kind of comparatively effective method for the definition that improves the multimedia TV set demonstration, and the regional area to image amplifies exactly, improves the definition of demonstration with this.But this method is carried out in order to the amplification of regional area, promptly carries out according to the order of upper and lower, left and right.When selecting magnification region, can only just can adjust to the zone that to amplify in order.And this method can only be seen local picture clearly, see the other parts of picture, can only move by ground, upper and lower, left and right and browse, and is mobile promptly time-consuming like this, requires great effort again, and do not see the overall situation.With regard to general television set, still there is not the method that effectively improves the television image definition at present.
The object of the present invention is to provide a kind of interactive amplification method of television image, the user can be easily and flexibly amplified, to any regional area of television image so that can clearlyer more carefully observe.
For achieving the above object, the invention provides a kind of interactive amplification method of television image, this method step is as follows:
A, user send the order of selecting magnification region to the microcontroller of television set;
B, microcontroller send control signal, and the control on-screen display circuit demonstrates an indication frame on screen, are used for showing and want magnification region position on screen;
C, move the position of above-mentioned indication frame on screen arbitrarily, want the zone of amplifying up to choosing;
D, send to microcontroller by remote controller and to amplify order, microcontroller sends control signal according to this order to the enlarging function circuit, and the above-mentioned zone amplification of choosing is shown.
The symbol or the shape of the size of above-mentioned indication frame and formation indication frame can be provided with arbitrarily.
The control program of realizing this method is stored in the microcontroller.
The invention solves the problem that under present television system, how to improve display resolution.Method of the present invention has effectively utilized the hardware resource of existing television set, can realize that by simple program control the interactive mode of television image amplifies, and select magnification region and the operation of amplifying is convenient as the biconditional operation general television set, flexibly, quick.Indicate being provided with of frame to be beneficial to the convenient promptly definite zone that will amplify of people in addition.The present invention also has the characteristics such as easy, with low cost of implementing.
Fig. 1 is a The general frame of the present invention.
Fig. 2 A is a square frame shape indication frame schematic diagram.
Fig. 2 B is four a corners indication frame schematic diagram.
Fig. 2 C is four a summits indication frame schematic diagram.
Fig. 3 is the operating process block diagram.
Fig. 4 is the circuit block diagram of band enlarging function.
Fig. 5 is a software control flow chart.
Provide the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Task of the present invention provides a kind of interactive amplification method that is used for the television image of common TV, and for realizing this task, television set should have following resource:
1, on-screen display circuit OSD (On Screen Display).
2, can be subjected to the enlarging function circuit of software control.
3, microcontroller MCU (Micro Control Unit)
Above-mentioned hardware configuration has in present color television set, can directly be used.In preferred version of the present invention, microcontroller is selected the television-specific microcontroller of the TMP87PS38 of company of Toshiba (Yoshiba) for use, this controller is integrated on-screen display circuit OSD.The enlarging function circuit then adopts the vision signal converter ic chip TMC2376 of the band enlarging function of U.S. Fairchild company, and this chip can become the VGA conversion of signals of computer output the vision signal of TV, can also accomplish 2 * 2 times amplification simultaneously.The structure of this amplifying circuit as shown in Figure 4.In addition, also buttons such as " selecting the zone ", " amplification " must be set on existing TV remote controller, key can be provided with several keys in corresponding corresponding zone wherein " to select the zone ".
Method of the present invention as shown in Figure 1, the user is when watching TV programme, when screen-picture being amplified observation as needs, the user at first passes through operation control, the order of selecting magnification region is passed to the microcontroller of television set as " selecting the zone " key on the button of the remote controller of existing television set, microcontroller sends control signal after receiving this order, control on-screen display circuit OSD demonstrates an indication frame on screen, be used for showing and want magnification region position on screen, the symbol or the shape of this indication frame size and formation indication frame can be provided with arbitrarily, Fig. 2 has shown several examples, Fig. 2 A is a square frame shape indication frame, Fig. 2 B is the indication frame that four corners by a square frame constitute, and Fig. 2 C then is the indication frame that constitutes at the circles at place, square frame summit by four, and it can also have various ways.Because the circuit of the band enlarging function in the television set is 2 * 2 times (vertical and horizontal direction has all been amplified twice) to the amplification of image, can zoom into the zone of screen 1/4 all over the screen, therefore indicate the big I of frame preferably to be set to 1/4 screen size, schematic so stronger.By " the select zone " key on the remote controller, can change the display position of indication frame on screen, desire is selected certain zone, just presses the respective keys of " selecting the zone " key, can choose and want the zone of amplifying.After choosing magnification region, operation control (for example still passing through remote controller key) sends to microcontroller and amplifies order again, and microcontroller receives that this order back is by IC interior bus (I
2C) send the position data of control signal and amplification to the enlarging function circuit, after the enlarging function circuit is made corresponding processing, just can realize amplification selected screen area.So also just reached the effect of the regional operation of amplifying of user interactions control selection.And from user's use angle, method of operation is very simple, and the concrete operations flow process as shown in Figure 3.
Method of the present invention is to realize by the software that is stored in the microcontroller, and referring to Fig. 5, the main flow process of this software is as follows:
When user key-press switched to the VGA display mode, microcontroller carried out some initial work, entered normal mode of operation after initialization is finished, and microcontroller is ceaselessly monitored remote keying.After the user pressed remote controller key, remote controller sent remote control mode, and microcontroller carries out a series of processing after receiving remote control mode." the select zone " key codes of pushbuttons of at first whether judging key, if not, judge whether " amplifications " key codes of pushbuttons again, if be not, that illustrates that user is the key by other function, then carries out the processing of other function; If key is " selecting the zone " button, then at first changes and preserve " indication frame " memory (n is capable) in screen up direction position.Then be modified to the memory (n row) of column direction, control on-screen display circuit osd circuit is capable at corresponding n, the n row demonstrate " indication frame ", handles and selects to forward the state that receives guidance command again to behind the zone; When judging key and be " amplification " key codes of pushbuttons, the control and treatment that microcontroller just amplifies, the line position that memory is preserved is sent to the enlarging function circuit, then again column position also is sent to the enlarging function circuit, then the enlarging function circuit is sent the order of " amplification ", the enlarging function circuit then is responsible for finishing the processing that selected zone is amplified.
So far just finished the processing procedure of " amplification ", entered the state that receives the remote control key after finishing again, so circulation has constantly constituted a mutual operating system.
Claims (3)
1, a kind of interactive amplification method of television image is characterized in that:
A, user send the order of selecting magnification region to the microcontroller of television set;
B, microcontroller send control signal, and the control on-screen display circuit demonstrates an indication frame on screen, are used for showing and want magnification region position on screen;
C, move the position of above-mentioned indication frame on screen arbitrarily, want the zone of amplifying up to choosing;
D, send to microcontroller by remote controller and to amplify order, microcontroller sends control signal according to this order to the enlarging function circuit, and the above-mentioned zone amplification of choosing is shown.
2, the interactive amplification method of television image according to claim 1 is characterized in that the symbol or the shape of indicating the size of frame and constituting the indication frame can be provided with arbitrarily.
3, the interactive amplification method of television image according to claim 1 is characterized in that the control program of realizing this method is stored in the microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98126461A CN1120617C (en) | 1998-12-24 | 1998-12-24 | Interative amplification method of TV picture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98126461A CN1120617C (en) | 1998-12-24 | 1998-12-24 | Interative amplification method of TV picture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1246020A true CN1246020A (en) | 2000-03-01 |
| CN1120617C CN1120617C (en) | 2003-09-03 |
Family
ID=5229679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98126461A Expired - Fee Related CN1120617C (en) | 1998-12-24 | 1998-12-24 | Interative amplification method of TV picture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1120617C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338950C (en) * | 2005-06-25 | 2007-09-19 | 海信集团有限公司 | Arbitrary-zone amplifying method for TV picture |
| US7391473B2 (en) | 2003-05-30 | 2008-06-24 | Canon Kabushiki Kaisha | Video display method of video system and image processing apparatus |
| CN100553305C (en) * | 2006-03-24 | 2009-10-21 | 深圳Tcl新技术有限公司 | Television set image scaling apparatus |
| CN102073986A (en) * | 2010-12-28 | 2011-05-25 | 冠捷显示科技（厦门）有限公司 | Method for amplifying frame of display device |
| CN102339141A (en) * | 2010-07-16 | 2012-02-01 | 联想(北京)有限公司 | Mobile terminal and display control method thereof |
| CN103051964A (en) * | 2011-10-14 | 2013-04-17 | 中国科学院计算技术研究所 | Intelligent television human-computer interaction method, device and system based on positioning remote controller |
| CN103051964B (en) * | 2011-10-14 | 2016-11-30 | 中国科学院计算技术研究所 | Intelligent television human-machine interaction based on remote position controlled device, device and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8611554D0 (en) * | 1986-05-12 | 1986-06-18 | Crosfield Electronics Ltd | Image display |
| US4991022A (en) * | 1989-04-20 | 1991-02-05 | Rca Licensing Corporation | Apparatus and a method for automatically centering a video zoom and pan display |
-
1998
- 1998-12-24 CN CN98126461A patent/CN1120617C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7391473B2 (en) | 2003-05-30 | 2008-06-24 | Canon Kabushiki Kaisha | Video display method of video system and image processing apparatus |
| CN100338950C (en) * | 2005-06-25 | 2007-09-19 | 海信集团有限公司 | Arbitrary-zone amplifying method for TV picture |
| CN100553305C (en) * | 2006-03-24 | 2009-10-21 | 深圳Tcl新技术有限公司 | Television set image scaling apparatus |
| CN102339141A (en) * | 2010-07-16 | 2012-02-01 | 联想(北京)有限公司 | Mobile terminal and display control method thereof |
| CN102073986A (en) * | 2010-12-28 | 2011-05-25 | 冠捷显示科技（厦门）有限公司 | Method for amplifying frame of display device |
| CN103051964A (en) * | 2011-10-14 | 2013-04-17 | 中国科学院计算技术研究所 | Intelligent television human-computer interaction method, device and system based on positioning remote controller |
| CN103051964B (en) * | 2011-10-14 | 2016-11-30 | 中国科学院计算技术研究所 | Intelligent television human-machine interaction based on remote position controlled device, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1120617C (en) | 2003-09-03 |
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Owner name: SHENZHEN TCL NEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TCL KING ELECTRICAL APPLIANCES (SHENZHEN) CO., LTD. Effective date: 20110210 |
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Granted publication date: 20030903 Termination date: 20131224 |