CN109663325A - A kind of scoring system and point system of type games of batting - Google Patents
A kind of scoring system and point system of type games of batting Download PDFInfo
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- CN109663325A CN109663325A CN201910073220.XA CN201910073220A CN109663325A CN 109663325 A CN109663325 A CN 109663325A CN 201910073220 A CN201910073220 A CN 201910073220A CN 109663325 A CN109663325 A CN 109663325A
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- ball
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- collision
- microphone array
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0669—Score-keepers or score display devices
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a kind of batting type games scoring systems, comprising: microphone array module: having two or more microphones, for acquiring ball and the voice signal of Different Plane collision and recording in ball game；Locating module: it according to the collected voice signal of microphone array, extracts voice signal and reaches time difference and the angle of arrival of different microphones, to be positioned in real time to ball；Crash type identification module: pass through the crash type of classification ball and plane for identification；Scoring module: Cheng Jinhang score is better than according to the position versus of the rule of batting type games and crash type identification and ball.Further correspondingly disclose its point system.The present invention reaches the position of the temporal difference calculating ball of microphone using collision sound and then records the track of ball, and the score of sportsman, the purpose of realization record motion profile and score are distinguished by distinguishing different impact sounds.
Description
Technical field
The present invention relates to acoustic information system fields, and in particular to it is a kind of bat type games scoring system and score side
Method.
Background technique
Most of batting type games are the sports items of international confession, such as table tennis, and basic laws of the game is by calculating
Separation ball table both ends are provided, then alternation is given other side and taken back by both party, service need to sequentially touch one's own side and other side two in match
Desktop, return of serve then need after waiting tablees tennis to touch own desktop, then billiards are fought back to other side's desktop, if one's own side fails to return table tennis
It hits to other side's desktop, that is, calculates to fumble and enable other side take getting a point, match is to reach 21 points first as victory.In addition, ping-pong contest
There are also other rules, need to retransmit if net-fault could be completed as served a ball, both sides send out five balls in turn, if score reaches 20 to two ten
Then need Party B win two points just win etc..Aforementioned table tennis has appropriate height due to need to only set up one between two ball desktops
Net, then a racket is respectively held by racer, cooperation table tennis can carry out, and required place space is little, and the match removes
It is outer in carrying out, and there is high degree of motion value and interest, therefore like by masses now.
Currently, table tennis score is all mainly by several visual heats of judge, then again by visual observation institute
Must be scored display, and above-mentioned table tennis point system follows for a long time, and right which is although feasible, but required manpower is more, and
Artificially judge that objectivity still dislikes insufficient, especially in usual practice, the puzzlement for the judge that is often weak, at this point, being only capable of by beating
Ball person voluntarily scores, the point system first easily because to influence match live for subjective judgement, moreover, if scored with scoring board, with
Real match person, which comes and goes, records not only time-consuming but also meeting interruption, therefore undesirable, is also easy to produce something lost again except taking great energy if memoriter scoring
The disadvantages of forgetting miscalculation.
Currently, table tennis record sphere motion profile is all mainly by camera record, the recording mode is at high cost
It is high, need image processing techniques to obtain the motion track of ball, it is computationally intensive.Therefore, batting type games are badly in need of one kind accurately, conveniently
Scoring scheme.
Summary of the invention
In order to solve the above technical problems, the invention proposes it is a kind of by the batting type games track record of acoustics and based on
Divide method and system.In order to solve the problems, such as that above-mentioned ball game track note point system and system, the present invention use microphone
Array is realized and ball dispatch a car is collided the position of sound and positioned, with record batting track and score, specific technical solution
It is as follows:
A kind of batting type games scoring system, comprising:
Microphone array module: have two or more microphones, for acquire in ball game ball with not
The voice signal of coplanar collision and recording；
Locating module: it according to the collected voice signal of microphone array, extracts voice signal and reaches different microphones
Time difference and angle of arrival, to be positioned in real time to ball；
Crash type identification module: pass through the crash type of classification ball and plane for identification；
Scoring module: Cheng Jinhang meter is better than according to the position versus of the rule of batting type games and crash type identification and ball
Point.
Further, voice signal is sound of shots ball, the sound with the sound of desktop collision and/or ball and collision on the ground.
Further, the microphone array is classified as two microphones on smart phone, passes through programming Control microphone array
The recording start time of column obtains the voice data of multiple sound channels.
Further, locating module carries out noise reduction to the voice signal that is recorded to, filters environmental noise, only retain ball from it is different
Pulse sound when plane is collided.
Further, the motion profile that locating module passes through the position tracking ball of the record point of impingement.
Further, the classification is SVM or DNN machine learning algorithm.
A kind of batting type games point system, which comprises the following steps:
S1: microphone array is put to court centre, activation system, and microphone array starts acquisition in ball game
Middle ball and the voice signal of Different Plane collision and recording；
S2: the recording data of the regular length often got is handled while recording, comprising:
S2.1: carrying out noise reduction to the voice signal being recorded to, and filters environmental noise, when only reservation ball and Different Plane are collided
Pulse data；
S2.2: the pulse data generated when being partitioned into ball and Different Plane collision using CFAR partitioning algorithm；
S2.3: crash type identification module classifies to the pulse data being partitioned into using machine learning classification algorithm,
Identify different collision planes；
S3: scoring module: according to batting type games rule and crash type identification and ball position versus be better than journey into
Row score.
Further, the motion profile that locating module passes through the position tracking ball of the record point of impingement.
Compared with prior art, the invention has the following beneficial technical effects: the present invention reaches wheat using collision sound
The different characteristic of gram wind array time difference proposes scoring system, and can be more acurrate to ball using modified hydrothermal process and correction module
Class is positioned；The present invention carries out denoising according to by the voice signal of receiving end first to the treatment process of voice signal,
The positioning of the location models such as AoA, TDOA, reaches more accurate positioning.Therefore, the present invention can satisfy to batting type games track
Track is accurately positioned, and setting accuracy is high.
Detailed description of the invention
Fig. 1 is a kind of scoring system of batting type games of the invention and the schematic diagram of method；
Fig. 2 is the module frame chart of scoring system of the invention；
Fig. 3 is the flow chart of point system of the present invention；
Fig. 4 is AOA location algorithm schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In conjunction with attached drawing 2, a kind of batting type games scoring system comprising:
Microphone array module: have two or more microphones, for acquire in ball game ball with not
The voice signal of coplanar collision and recording；Voice signal is that sound of shots ball, the sound collided with desktop and/or ball and ground are touched
The sound hit；The distance between above-mentioned two or more than two microphones are known quantity.The microphone array is classified as intelligence
Two microphones on mobile phone obtain the sound number of multiple sound channels by the recording start time of programming Control microphone array
According to.
Locating module: it according to the collected voice signal of microphone array, extracts voice signal and reaches different microphones
Time difference and angle of arrival, to be positioned in real time to ball；Locating module carries out noise reduction, filtering to the voice signal being recorded to
Environmental noise only retains pulse sound when ball and Different Plane collision.By AoA, TDOA, as described in Fig. 1, locating module according to
Ball with meet collision when sound reach microphone array in each microphone time difference find out angle of arrival and arrival time into
And confirm the position of the point of impingement, the motion profile of the position tracking ball by recording the point of impingement.
TDOA (Time Difference of Arrival), also known as reaching time-difference, by measurement mobile terminal to not
With the time difference of transmitting terminal to estimate that the difference of the distance of different terminals is positioned in turn.It is passed due to not needing detection signal
The defeated time, therefore requirement of the system to time synchronization substantially reduces.
The case where being set as the coordinate of point MS for (x, y, 0), that is, being located at the two-dimensional localization on ground.The position coordinates of transmitting terminal
For (xi,yi,zi), i=1,2,3 ... M, wherein M is the transmitting terminal quantity for participating in positioning.If measuring s-th of signal and first letter
Number (as reference signal time difference be τs1, then the transmission distance deviation of s-th of originator and the 1st originator to MS is Rs1=Rs-R1
(s=2,3...M).It can be established an equation using transmission distance deviation and seek MS position coordinates (x, y).
It willAbove formula is substituted into, is enabledAbbreviation obtains
As M=3, have as follows:
In formulaX, y are solved using above formula, carries it into R1In,
Find out R1Value, reject the negative for not meeting physical significance as a result, positive value is brought into formula (3.12) MS coordinate can be obtained.
AoA (Angle of Arrival) angle of arrival
Referring to fig. 4, in AOA location algorithm, unknown node obtains reference by aerial array or other receiving devices
The arrival direction of node transmitting terminal wireless signal, the relative angular orientation between calculate node obtain the location information of unknown node.It is fixed
Adopted transmitting terminal is deflection, receiving terminal to transmitting in the angle for receiving the direction vector for projecting to receiving end in plane and x-axis
The direction vector at end and the angle of z-axis are the elevation angle.
On the wayWithRespectively two azimuths, ψ1And ψ2For two elevations angle.Generally in two-dimensional planar location, only need
It measures and receives two azimuths of signal positioning can be realized.Assuming that enabling the coordinate of two transmitting terminals is respectively A (x1,y1),B
(x2,y2), the coordinate of unknown node is (x, y),
The azimuth measured isWithHave for transmitting terminal A
Abbreviation can obtain
Similarly, for transmitting terminal B, have
The position coordinates (x, y) of unknown node can be found out according to above two formula accordingly.
Crash type identification module: pass through the crash type of classification ball and plane for identification；Divided using CFAR and is calculated
Method is partitioned into the starting point and end point of the pulse data generated when ball and Different Plane collision, by largely collecting ball hits
The sample of Different Plane sound carries out disaggregated model as training data set and test data set, using artificial neural network
Training and classification, artificial neural network (Artificial Neural Network, i.e. ANN) are a kind of currently a popular classification
Method.It is abstracted human brain neuroid from information processing angle, establishes certain naive model, by different connection sides
Formula forms different networks.Neural network or neural network are also often directly referred to as in engineering and academia.Neural network is
A kind of operational model is constituted by being coupled to each other between a large amount of node (or neuron).Each node on behalf is a kind of specific
Output function, referred to as excitation function (activationfunction).Connection between every two node all represents one for logical
The weighted value of the connection signal, referred to as weight are crossed, this is equivalent to the memory of artificial neural network, by inputting a large amount of training
Data, artificial neural network can automatic flag data feature, and then generate suitable disaggregated model and be used for practical application.
Scoring module: Cheng Jinhang meter is better than according to the position versus of the rule of batting type games and crash type identification and ball
Point.
By taking table tennis as an example, ball is dropped into outside desktop and is collided with floor in table tennis, then determines that this bout terminates,
According to regular record score side.
A kind of batting type games point system, comprising the following steps:
S1: microphone array is put to court centre, activation system, and microphone array starts acquisition in ball game
Middle ball and the voice signal of Different Plane collision and recording；
S2: the recording data of the regular length often got is handled while recording, comprising:
S2.1: carrying out noise reduction to the voice signal being recorded to, and filters environmental noise, when only reservation ball and Different Plane are collided
Pulse data；
S2.2: the pulse data generated when being partitioned into ball and Different Plane collision using CFAR partitioning algorithm；
S2.3: crash type identification module classifies to the pulse data being partitioned into using machine learning classification algorithm,
Identify different collision planes；
S3: scoring module: according to batting type games rule and crash type identification and ball position versus be better than journey into
Row score.
Further, the motion profile that locating module passes through the position tracking ball of the record point of impingement.
The above content is specific preferred embodiment is combined, further detailed description of the invention, should not assert this hair
Bright specific implementation is confined to described above.For those skilled in the art, present inventive concept is not being departed from
Under the premise of, several simple deduction or replace can also be made, are regarded as being determined by the claim submitted of the present invention
Within protection scope.
Claims (8)
1. a kind of batting type games scoring system characterized by comprising
Microphone array module: having two or more microphones, flat for acquiring ball and difference in ball game
Face collision voice signal and recording；
Locating module: according to the collected voice signal of microphone array, the time that voice signal reaches different microphones is extracted
Difference and angle of arrival, to be positioned in real time to ball；
Crash type identification module: pass through the crash type of classification ball and plane for identification；
Scoring module: Cheng Jinhang score is better than according to the position versus of the rule of batting type games and crash type identification and ball.
2. scoring system as described in claim 1, it is characterised in that: voice signal is sound of shots ball, ball and desktop collision
The sound of sound and/or ball and collision on the ground.
3. scoring system as described in claim 1, it is characterised in that: the microphone array is classified as two on smart phone
Microphone obtains the voice data of multiple sound channels by the recording start time of programming Control microphone array.
4. scoring system as described in claim 1, it is characterised in that: the voice signal being recorded to drops in locating module
It makes an uproar, filters environmental noise, only retain pulse data when ball and Different Plane collision.
5. scoring system as described in claim 1, it is characterised in that: the position tracking ball that locating module passes through the record point of impingement
Motion profile.
6. scoring system as described in claim 1, it is characterised in that: the classification is SVM or DNN machine learning algorithm.
7. a kind of batting type games point system, which comprises the following steps:
S1: microphone array is put to court centre, activation system, and microphone array starts acquisition ball in ball game
Voice signal and recording with Different Plane collision；
S2: the recording data of the regular length often got is handled while recording, comprising:
S2.1: carrying out noise reduction to the voice signal being recorded to, and filters environmental noise, only retains arteries and veins when ball is collided with Different Plane
Rush data；
S2.2: the pulse data generated when being partitioned into ball and Different Plane collision using CFAR partitioning algorithm；
S2.3: crash type identification module classifies to the pulse data being partitioned into using machine learning classification algorithm, identification
Different collision planes；
S3: Cheng Jinhang meter scoring module: is better than according to the position versus of the rule of batting type games and crash type identification and ball
Point.
8. point system as described in claim 1, it is characterised in that: the position tracking ball that locating module passes through the record point of impingement
Motion profile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910073220.XA CN109663325B (en) | 2019-01-25 | 2019-01-25 | Scoring system and scoring method for batting sports |
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| CN201910073220.XA CN109663325B (en) | 2019-01-25 | 2019-01-25 | Scoring system and scoring method for batting sports |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110765896A (en) * | 2019-10-08 | 2020-02-07 | 维沃移动通信有限公司 | Video processing method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109374A (en) * | 1993-03-31 | 1995-10-04 | 株式会社榆树 | Device for detecting position of collision of objects |
| JP2002095782A (en) * | 2000-09-25 | 2002-04-02 | Hama Bowl:Kk | Table tennis machine |
| CN106799025A (en) * | 2017-01-17 | 2017-06-06 | 覃刚君 | Batting detection method, device, equipment and intelligent terminal |
| CN108648763A (en) * | 2018-04-04 | 2018-10-12 | 深圳大学 | Personal computer usage behavior monitoring method based on acoustic channels and system |
-
2019
- 2019-01-25 CN CN201910073220.XA patent/CN109663325B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109374A (en) * | 1993-03-31 | 1995-10-04 | 株式会社榆树 | Device for detecting position of collision of objects |
| JP2002095782A (en) * | 2000-09-25 | 2002-04-02 | Hama Bowl:Kk | Table tennis machine |
| CN106799025A (en) * | 2017-01-17 | 2017-06-06 | 覃刚君 | Batting detection method, device, equipment and intelligent terminal |
| CN108648763A (en) * | 2018-04-04 | 2018-10-12 | 深圳大学 | Personal computer usage behavior monitoring method based on acoustic channels and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110765896A (en) * | 2019-10-08 | 2020-02-07 | 维沃移动通信有限公司 | Video processing method and device |
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