CN102082915A - Method and device for telecasting and showing electronic target for shooting competition - Google Patents
Method and device for telecasting and showing electronic target for shooting competition Download PDFInfo
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- CN102082915A CN102082915A CN2009102386087A CN200910238608A CN102082915A CN 102082915 A CN102082915 A CN 102082915A CN 2009102386087 A CN2009102386087 A CN 2009102386087A CN 200910238608 A CN200910238608 A CN 200910238608A CN 102082915 A CN102082915 A CN 102082915A
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Abstract
The invention provides a method and device for telecasting and showing an electronic target for shooting competition. The method comprises the following steps of: creating a target position picture according to a preset proportion relation and a shooting target position; collecting coordinates of an impact point on the shooting target position; calculating the coordinates of the impact point on a target position picture according to the preset proportion and the coordinates of the impact point on the shooting target position; and marking the impact point in the coordinates on the target position picture. By adopting the invention, the score of a site electronic target and the target position of a sportsman in shooting are vividly shown on a screen in a picture way; and the effect is more clear and visual, the problems of frequent switching of a lens, fuzzy lens picture and easy external interference in the traditional telecasting process are solved, the visuality of programs is improved, and the programs are richer in liveness.
Description
Technical field
The present invention relates to the television relay technical field, particularly relate to a kind of electric target television relay methods of exhibiting and device of gunnery meeting.
Background technology
Along with the raising of people's cultural life level, competitive sports have become the very important selection of spectators' TV reception.The Chinese Central Television (CCTV) has carried out the live broadcast of sports tournament for the first time on the Chinese TV history since nineteen fifty-nine, and to today, the competitive sports television relay work of China has been carried out nearly half a century.During this, along with the development of China's tv undertakings and sports, the competitive sports television relay of China has also obtained great development.In relaying process, each medium uses new technology to promote the relay level in a large number, by these modes, has greatly promoted the industrialized development of Sports Television Relay.
General, the relay of gunnery meeting is that the video that record at the gunnery meeting scene is play-overed on the video screen.Common, in order to allow spectators see in all directions match live telecast, adopt the multi-section video camera usually, the camera lens that multi-direction shooting is different, be used to take entrant's feature, the feature of target target position etc., so, entrant's the camera lens and the camera lens of target position need constantly switch.
In order to allow spectators not miss each details of match, usually entrant's the camera lens and the camera lens of target position are simultaneously displayed on the television image.But a problem of bringing like this is exactly because the target position camera lens taken by video camera, and video camera sometimes can the distance target position than the distant positions place, its shooting picture may be unintelligible.Exception, because outside the shooting, shooting process may be subjected to external disturbance, causes the picture instability or unexpected block etc. arranged.
In a word, need the urgent technical problem that solves of those skilled in the art to be exactly: how a kind of electric target television relay methods of exhibiting of gunnery meeting can be provided, make spectators can see entrant's games results clearly.
Summary of the invention
Technical problem to be solved by this invention provides a kind of electric target television relay methods of exhibiting and device of gunnery meeting, and the display frame of its target position is clear, directly perceived, is not subject to external interference.
In order to address the above problem, the invention discloses a kind of electric target television relay methods of exhibiting of gunnery meeting, comprising:
Create the target position picture according to the preset proportion relation according to the shooting target position;
Gather the coordinate of point of impact on the shooting target position;
Its coordinate on the target position picture of coordinate Calculation on the shooting target position according to preset proportion relation and point of impact;
The mark that described coordinate place on the target position picture carries out point of impact.
Further, the described relation according to the shooting target position according to preset proportion created the target position picture, specifically comprises:
Create the target position picture of corresponding size according to the size of shooting target position according to the preset proportion relation;
On the shooting target position is that initial point is set up absolute coordinate system with its center, is that initial point is set up relative coordinate system with its center on the target position picture;
According to preset proportion relation according to loop wire on the shooting target position in the position of absolute coordinate system, fasten in the relative coordinate of target position picture and to draw corresponding loop wire.
Further, the position of point of impact on the described calculating target position picture is specially:
Point of impact is converted to relative coordinate on the target position picture at the absolute coordinate of shooting on the target position.
Preferably, gather same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.
Further, described method also comprises: the target position picture that will have the point of impact mark is loaded on the match video.
According to another embodiment of the invention, also disclose a kind of electric target television relay exhibiting device of gunnery meeting, having comprised:
The picture creating unit is used for creating the target position picture according to the preset proportion relation according to the shooting target position;
The coordinate collecting unit is used to gather the coordinate of point of impact on the shooting target position;
The coordinate Calculation unit is used for its coordinate on the target position picture of coordinate Calculation on the shooting target position according to preset proportion relation and point of impact;
Coordinate mark unit is used for the mark that the described coordinate place on the target position picture carries out point of impact.
Further, described picture creating unit comprises:
Size is created subelement, is used for creating according to the size of shooting target position according to the preset proportion relation target position picture of corresponding size;
Coordinate system is set up subelement, and being used on the shooting target position is that initial point is set up absolute coordinate system with its center, is that initial point is set up relative coordinate system with its center on the target position picture;
Loop wire is drawn subelement, is used for according to the preset proportion relation according to loop wire on the shooting target position in the position of absolute coordinate system, fastens in the relative coordinate of target position picture and draws corresponding loop wire.
Further, the position of point of impact on the described calculating target position picture is specially:
Point of impact is converted to relative coordinate on the target position picture at the absolute coordinate of shooting on the target position.
Preferably, gather same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.
Further, described device also comprises: the picture loading unit, the target position picture that is used for having the point of impact mark is loaded into the match video.
Compared with prior art, the present invention has the following advantages:
The present invention creates the target position picture according to the preset proportion relation according to the shooting target position; Its coordinate on the target position picture of coordinate Calculation place according to point of impact on the shooting target position of preset proportion relation and collection; Described coordinate place on the target position picture mark that carries out point of impact then.Pass through the embodiment of the invention, visually be presented at screen in the mode of picture the achievement of on-the-spot electric target and sportsman target position in shooting, effect is more clear, directly perceived, avoided the frequent switching of camera lens in the traditional tv relaying process, and the camera lens picture is unintelligible, the problem that is subject to external interference, improve the visuality of program, allow program more be rich in presence.
In addition, the present invention gathers same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.Can an overall understanding be arranged to preceding shooting grade several times by this method, particularly to just being transformed into the spectators of this channel, not only can see the each shooting grade result of player more intuitively clearly, can also compare each shooting result, improve the excellence that TV programme is relayed greatly.
Description of drawings
Fig. 1 is the flow chart of the electric target television relay methods of exhibiting embodiment of a kind of gunnery meeting of the present invention;
Fig. 2 is the schematic diagram of target position picture of the electric target television relay methods of exhibiting embodiment of a kind of gunnery meeting of the present invention;
Fig. 3 is the structure chart of the electric target television relay exhibiting device embodiment of a kind of gunnery meeting of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
TV industry is always promoted the development of program by new technology, television relay is maked rapid progress, and many up-to-date technology all can be used for up-to-date competitive sports.Relay by adopting plurality of devices and technological means, improved the ornamental of program greatly, enriched the amount of information of program, made spectators can understand the process of match more directly perceived, in time, obtain sensation on the spot in person, make program making have bigger imagination space.
Technological means develops into the many technology of utilization, multiple relay devices is relayed from single relaying live in the relay of sports cast.The making of sports cast generally is made up of the two large divisions, and the one, macroscopic view is made part, comprises digital camera, video tape recorder, digital audio track, the so complete making link of Digital Transmission, and this part brings the basic vision picture; Another part is made up of digital special effect, the such microcosmic processing part of digital packaging, and this part brings forth the new and the corlorful program.In order to allow spectators see the achievement of entrant in the gunnery meeting process clearly, the invention provides a kind of electric target television relay methods of exhibiting, the match video has been carried out digital packaging and details processing,, on video screen, represented entrant's shooting grade by shooting target position that is virtually reality like reality.
With reference to Fig. 1, show the flow chart of the electric target television relay methods of exhibiting embodiment of a kind of gunnery meeting of the present invention, comprising:
In gunnery meeting, for can allow spectators before the television set clear, see the shooting target position of in-situ match intuitively, on the television relay program, simulate the target position picture of an electronics.The size of described target position picture becomes certain proportionate relationship with actual shooting target position.Concrete, described preset proportion relation can be with centimetre or millimeter be unit metering and the ratiometric conversion that is the unit metering with the pixel.
For example, the size of actual shooting target position is the unit metering with the millimeter, then set up a target position picture, with the pixel is the unit metering, wherein the preset proportion relation can be provided with different settings according to user's different demands, as cross wishing that in broadcast program, spectators can see bigger target position picture, it is big that pixel can be set in the picture of length representative of actual target position; Can see less target position picture if wish spectators, it is smaller that pixel can be set in the picture of length representative of actual target position.In the embodiment of the invention, the setting preset proportion closes and is: the 5mm on the target target position is equivalent to the length of 3 pixels on the target position picture.
Concrete, described step 101 comprises substep:
S1 concerns the target position picture of creating corresponding size according to the size of shooting target position according to preset proportion;
Below, the target position of competing with the 25/50m pistol shooting is that example is elaborated.The size of actual shooting target position is the unit metering with the millimeter, and height is 550mm, and wide is 550mm.Preset proportion closes 3 pixels of the corresponding target position picture of 5m that is the gunnery target position, then sets up a target position picture, is that the unit metering is: 330 * 330 pixels with the pixel.
S3 is that initial point is set up absolute coordinate system with its center on the shooting target position, is that initial point is set up relative coordinate system with its center on the target position picture;
Further, except setting up the picture of certain proportion relation size, also need on picture, draw out corresponding loop wire by described proportionate relationship, then corresponding, on the shooting target position, set up absolute coordinate system M1, set up absolute coordinate system M2 on the target position picture, its initial point is respectively in the central spot of shooting target position and target position picture.
S2, according to preset proportion relation according to loop wire on the shooting target position in the position of absolute coordinate system, fasten in the relative coordinate of target position picture and to draw corresponding loop wire.
Further, obtain the position of each loop wire in the absolute coordinate system on the shooting target position, in the present embodiment, calculate with diameter, then, converse the diameter in absolute coordinate system, on the relevant position of target position picture, draw out each loop wire according to the preset proportion relation.
Described in the embodiment of the invention, shooting target position number of rings is that 10 loop wire diameter is 50mm, and then in the relative coordinate system of target position picture, the diameter of this loop wire should be 30 pixels; Shooting target position number of rings is that 9 loop wire diameter is 100mm, and then in the relative coordinate system of target position picture, the diameter of this loop wire should be 60 pixels, each loop wire and the like.As shown in the table, be the value of each loop wire diameter in shooting target position and the target position picture in the present embodiment.
Ratio: 0.6; Wherein, diameter * 0.6 on the diameter on the target position picture=shooting target position
| Number of rings | Diameter (mm) on the shooting target position | Diameter on the target position picture (pixel) |
| 10 | 50 | 30 |
| 9 | 100 | 60 |
| 8 | 150 | 90 |
| 7 | 200 | 120 |
| 6 | 250 | 150 |
| 5 | 300 | 180 |
| 4 | 350 | 210 |
| 3 | 400 | 240 |
| 2 | 450 | 270 |
| 1 | 500 | 300 |
As shown in Figure 2, for the schematic diagram of the target position picture of the electric target television relay methods of exhibiting embodiment of a kind of gunnery meeting of the present invention, wherein drawn out the position of each loop wire on the simulation target position according to relative coordinate.
Usually, for the gunnery meeting of standard, be considered as missing the target below 6 rings, disregard achievement, therefore, also can only draw 7 ring and the corresponding loop wires of above number of rings thereof on the target position picture, then corresponding, the size of target position picture is cropped to the size that adapts with 7 peripheries of encircling, for example, in the present embodiment, when only showing the loop wire more than 7 rings, the target position picture can be cut to the size of 150 * 150 pixels.Therefore, the drafting of embodiment of the invention loop wire is not limited to form shown in Figure 3, can draw corresponding loop wire according to the different needs of media releasing side.
Induction of signal when players hit certain position on the target position, then takes place in point of impact place in installation data collector on the shooting target position, and data acquisition unit obtains shooting the coordinate of point of impact on the target position in this position acquired signal.
For example, after first bullet emission of certain player, trigger the induction of signal of relevant position, data acquisition unit collects the coordinate figure of point of impact, and its coordinate can be metering with the cartesian coordinate, gathers the abscissa and the ordinate of point of impact; Also can be for polar coordinates are metering, in the present embodiment, the polar coordinates that collect point of impact are (180mm, 60 degree), utmost point footpath ρ=180mm, polar angle θ=60 degree.
In order on the target position picture, to express the position of point of impact accurately, need carry out the conversion of coordinate.The concrete relative coordinate that the absolute coordinate of point of impact on the shooting target position is converted on the target position picture.In the embodiment of the invention, for polar coordinates, its polar angle is constant, only need carry out the conversion in utmost point footpath.According to the preset proportion relation, the 180mm on the shooting target position is scaled 108 pixels on the target position picture.Then the coordinate on the target position picture is (108 pixels, 60 degree).
Obtained the coordinate position of point of impact on the target position picture, further, marked in this position, so that spectators can see the position of point of impact intuitively clearly.Wherein, multi-form mark be can carry out, for example, the icon of a sub warhead or mark of black circles or " * " type or the like adopted.In embodiments of the present invention, as shown in Figure 2, on the target position picture of simulation, on the relevant position of point of impact, mark with numerical chracter.
By the embodiment of the invention, the achievement of on-the-spot electric target and sportsman target position in shooting is presented on the screen visually in the mode of picture, avoided the camera lens in the traditional tv relaying process frequently to switch.And because the picture that loads is the details portrayal that the shooting target position is carried out, its picture is clear; In addition, directly gather on the shooting target position position of point of impact, marks by Coordinate Conversion, and image quality is not subjected to external interference, improves the visuality of program greatly, allows program more be rich in presence, and effect is more clear.
Common, for player's shooting grade each time, can produce corresponding shooting picture effect and show respectively.In some cases, the entrant after hitting target position, the shooting target position that the staff may more renew, then spectators can not have an overall understanding to preceding shooting grade several times, particularly to just being transformed into the spectators of this channel.In a preferred embodiment of the invention, can also gather same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.
Then, a total understanding directly perceived can be arranged to the shooting grade of this each time of entrant by preferred embodiment.For example,, need 40 bullets of emission for women's air pistol, 10 every group, totally 4 groups.Then in this case, can carry out the statistics of shooting grade, one group fire effect is presented on the shooting picture simultaneously according to group.
With reference to shown in Figure 2, be on the point of impact position after each shooting, to mark sign with " 1. 2. 3. ... ".Then the target position image each time and the achievement of entrant's emission can both clearly be reflected on the screen, not only can see the each shooting grade result of player more intuitively clearly, can also compare each shooting result, improve the excellence that TV programme is relayed greatly.
Need to prove, after having created the target position picture, the coordinate of a point of impact that the real-time basis of needs collects marks on this picture, promptly whenever gets access to a coordinate data, just mark a point of impact, this point of impact is added on the video by the form of film titler with the captions animation.When another entrant is up to scratch, then convert the target position picture of a new width of cloth to, corresponding, carry out the broadcast of next round captions animation.
Further, the embodiment of the invention also comprises step: described target position picture with point of impact mark is loaded on the match video.
After producing the shooting picture, the form of this picture with captions is carried on the match video of recording accordingly, realizes the synchronous of fire effect and live video.The match video of women's air pistol in embodiments of the present invention for example after players launch first rifle, is superimposed upon on this video with the shooting picture that is about to have the first rifle point of impact; After players launch second rifle, be superimposed upon on this video, by that analogy with the shooting picture that is about to have first rifle and the second rifle point of impact.
Further, can also go out the achievement of shooting according to described absolute coordinate apart from the centrical position calculation of gunnery target; Perhaps, go out the achievement of shooting apart from the position calculation of target position center picture according to described relative coordinate; The form of described achievement with captions is loaded on the match video.
With reference to Fig. 3, show the structure chart of the electric target television relay exhibiting device embodiment of a kind of gunnery meeting of the present invention, comprising:
Coordinate collecting unit 302 is used to gather the coordinate of point of impact on the shooting target position;
Coordinate Calculation unit 303 is used for its coordinate on the target position picture of coordinate Calculation on the shooting target position according to preset proportion relation and point of impact;
Coordinate mark unit 304 is used for the mark that the described coordinate place on the target position picture carries out point of impact.
By a kind of electric target television relay exhibiting device embodiment provided by the invention, can by shooting target position that is virtually reality like reality, on video screen, represent entrant's shooting grade to the match video having been carried out digital packaging and details processing
Further, described picture creating unit 301 comprises:
Size is created subelement, is used for creating according to the size of shooting target position according to the preset proportion relation target position picture of corresponding size;
Coordinate system is set up subelement, and being used on the shooting target position is that initial point is set up absolute coordinate system with its center, is that initial point is set up relative coordinate system with its center on the target position picture;
Loop wire is drawn subelement, is used for according to the preset proportion relation according to loop wire on the shooting target position in the position of absolute coordinate system, fastens in the relative coordinate of target position picture and draws corresponding loop wire.
Concrete, the position of point of impact on the described calculating target position picture is specially:
Point of impact is converted to relative coordinate on the target position picture at the absolute coordinate of shooting on the target position.
In a preferred embodiment of the invention, described device is gathered same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.Then device can make spectators that preceding shooting grade is several times had an overall understanding, not only can see the each shooting grade result of player more intuitively clearly, can also compare each shooting result.
Further, with reference to shown in Figure 3, described device also comprises:
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For device embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than to the electric target television relay methods of exhibiting and the device of a kind of gunnery meeting provided by the present invention, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the electric target television relay methods of exhibiting of a gunnery meeting is characterized in that, comprising:
Create the target position picture according to the preset proportion relation according to the shooting target position;
Gather the coordinate of point of impact on the shooting target position;
Its coordinate on the target position picture of coordinate Calculation on the shooting target position according to preset proportion relation and point of impact;
The mark that described coordinate place on the target position picture carries out point of impact.
2. the method for claim 1 is characterized in that, the described relation according to the shooting target position according to preset proportion created the target position picture, specifically comprises:
Create the target position picture of corresponding size according to the size of shooting target position according to the preset proportion relation;
On the shooting target position is that initial point is set up absolute coordinate system with its center, is that initial point is set up relative coordinate system with its center on the target position picture;
According to preset proportion relation according to loop wire on the shooting target position in the position of absolute coordinate system, fasten in the relative coordinate of target position picture and to draw corresponding loop wire.
3. method as claimed in claim 2 is characterized in that, the position of point of impact on the described calculating target position picture is specially:
Point of impact is converted to relative coordinate on the target position picture at the absolute coordinate of shooting on the target position.
4. method as claimed in claim 3 is characterized in that,
Gather same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.
5. the method for claim 1 is characterized in that, also comprises:
The target position picture that will have the point of impact mark is loaded on the match video.
6. the electric target television relay exhibiting device of a gunnery meeting is characterized in that, comprising:
The picture creating unit is used for creating the target position picture according to the preset proportion relation according to the shooting target position;
The coordinate collecting unit is used to gather the coordinate of point of impact on the shooting target position;
The coordinate Calculation unit is used for its coordinate on the target position picture of coordinate Calculation on the shooting target position according to preset proportion relation and point of impact;
Coordinate mark unit is used for the mark that the described coordinate place on the target position picture carries out point of impact.
7. device as claimed in claim 6 is characterized in that, described picture creating unit comprises:
Size is created subelement, is used for creating according to the size of shooting target position according to the preset proportion relation target position picture of corresponding size;
Coordinate system is set up subelement, and being used on the shooting target position is that initial point is set up absolute coordinate system with its center, is that initial point is set up relative coordinate system with its center on the target position picture;
Loop wire is drawn subelement, is used for according to the preset proportion relation according to loop wire on the shooting target position in the position of absolute coordinate system, fastens in the relative coordinate of target position picture and draws corresponding loop wire.
8. device as claimed in claim 7 is characterized in that, the position of point of impact on the described calculating target position picture is specially:
Point of impact is converted to relative coordinate on the target position picture at the absolute coordinate of shooting on the target position.
9. device as claimed in claim 8 is characterized in that,
Gather same absolute coordinate of taking turns each point of impact of the same entrant in the match, successively the mark that carries out point of impact of the relative coordinate place on respective target bitmap sheet.
10. device as claimed in claim 9 is characterized in that, also comprises:
The picture loading unit, the target position picture that is used for having the point of impact mark is loaded into the match video.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102386087A CN102082915A (en) | 2009-11-26 | 2009-11-26 | Method and device for telecasting and showing electronic target for shooting competition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102386087A CN102082915A (en) | 2009-11-26 | 2009-11-26 | Method and device for telecasting and showing electronic target for shooting competition |
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| KR20090008734A (en) * | 2007-07-18 | 2009-01-22 | 주식회사 씨엔에스 | Apparatus for sensing gumshot position |
| CN101753852A (en) * | 2008-12-15 | 2010-06-23 | 姚劲草 | Sports event dynamic mini- map based on target detection and tracking |
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|---|---|---|---|---|
| DE4207933A1 (en) * | 1992-03-12 | 1993-09-16 | Spieth Ernst K Gmbh | Display and evaluation of hits on shooting target discs - monitors target disc by video camera with output processed to determine hit coordinates for display on monitor screen. |
| CN1400560A (en) * | 2001-07-31 | 2003-03-05 | 日本电气株式会社 | Laser gun and its shooting system |
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| KR20090008734A (en) * | 2007-07-18 | 2009-01-22 | 주식회사 씨엔에스 | Apparatus for sensing gumshot position |
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Application publication date: 20110601 |