CN109426385A - A kind of sphere drop point detection method and detection system - Google Patents

A kind of sphere drop point detection method and detection system Download PDF

Info

Publication number
CN109426385A
CN109426385A CN201710771846.9A CN201710771846A CN109426385A CN 109426385 A CN109426385 A CN 109426385A CN 201710771846 A CN201710771846 A CN 201710771846A CN 109426385 A CN109426385 A CN 109426385A
Authority
CN
China
Prior art keywords
contact
drop point
sphere
event
sphere drop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710771846.9A
Other languages
Chinese (zh)
Inventor
马洪刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Simcom Ltd
Original Assignee
Shanghai Simcom Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Simcom Ltd filed Critical Shanghai Simcom Ltd
Priority to CN201710771846.9A priority Critical patent/CN109426385A/en
Publication of CN109426385A publication Critical patent/CN109426385A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

The present invention relates to electronic technology fields, provide a kind of sphere drop point detection method, which includes: to detect the contact event of court boundary touch screen;Contact position is calculated when detecting contact event;Contact position as sphere drop point site and is judged whether sphere drop point site is located in the circle of court.The present invention also provides a kind of sphere drop point detection systems using the detection method.The cost of the sphere drop point detection method and detection system is low, detect and output result is fast and accurate.

Description

A kind of sphere drop point detection method and detection system
Technical field
The present invention relates to electronic technology field, in particular to a kind of sphere drop point detection method and detection system.
Background technique
Since 21st century, various competitive sports are increasingly taken seriously and know, various advanced high-techs Skill is also more and more applied in major competitive sports, by the foundation as judge.It is some it is ball (such as shuttlecock, Tennis etc.) movement in, for controversial drop point penalty, the state-of-the-art technology used now is Eagle Eye Technology, can phase When accurately show ball pick-up point position whether out-of-bounds.
Hawkeye system is made of 8 or 10 high speed cameras, four computers and large screen, utilizes high speed camera Capture the master data of tennis flight path simultaneously from different perspectives;It is calculated again by computer, these data is generated into three-dimensional figure Picture;Instant imaging technique is finally utilized, the moving line and drop point of tennis are simulated and clearly showed by large screen.Wherein, Camera speed is up to 2000 frame per second.All images are all calibrated by stabilization software.
The application of Eagle Eye Technology is undoubtedly the much progress in ball race, but simultaneously, its equipment cost is very high Expensive, equipment installation is extremely particular about, and calculating process is complicated and time-consuming, is based on this, and the technology is generally in some large-scale international balls It can just be used in the finals of class, and every game typically only allows for challenging 2 times for every innings of sportsman.
Summary of the invention
The purpose of the present invention is to provide a kind of sphere drop point detection method and detection system, it is at low cost, detection and it is defeated Result is fast and accurate out.
In order to solve the above technical problems, the present invention provides a kind of sphere drop point detection methods, comprising: detection court boundary Locate the contact event of touch screen;Contact position is calculated when detecting contact event;Using contact position as sphere drop point site And judge whether sphere drop point site is located in the circle of court.
The present invention also provides a kind of sphere drop point detection systems, comprising: detection module, for detecting the touching of court boundary Touch the contact event of screen;Computing module, for calculating the contact position that contact event occurs;Processing module is used for contact position It sets as sphere drop point site and judges whether sphere drop point site is located in the circle of court.
Embodiment of the present invention in terms of existing technologies, has used touch screen technology to sense and has calculated sphere drop point, The high speed camera and multiple computers in setting Eagle Eye Technology are not needed, it is low in cost, it does not need to generate 3-D image, simulation yet The moving line and drop point of sphere detect quick and accurate.
In addition, the contact position that calculates when detecting contact event includes: to determine touching when detecting contact event Whether point pressure is located in preset range, calculates the contact position when the contact force is located in preset range.Due to Sportsman itself or other objects may touch chalk and surrounding touch screen (such as touch screens), in this regard, the inspection The weight that survey method is fixed according to sphere itself is previously provided with certain pressure limit value, in the pressure that touch screen detection generates Afterwards, the only pressure value just will continue to enter in the step of calculating sphere landing position in the pressure limit value of predetermined set, So as to avoid erroneous judgement, the accuracy of detection and judgement is improved.
In addition, described as sphere drop point site and judge whether sphere drop point site is located in the circle of court for contact position Refer to: using the contact position that contact event occurs in predetermined amount of time earliest as sphere drop point site and judging that the sphere is fallen Whether point position is located in the circle of court.Sphere occurs reciprocal rebound and may cause and repeatedly press touch screen and produce after falling ground Simultaneously position calculating occurs for raw pressure, in this regard, predetermined amount of time is provided in the detection method, when calculated sphere landing position It will unique be also a contact position earliest in predetermined amount of time as sphere landing position when at one;When calculated When sphere landing position is at more than one, contact position the falling as sphere of contact event will occur earliest in predetermined amount of time Thus position avoids repeatedly pressing the erroneous judgement caused by touch screen to sphere landing position since sphere lands rebound.
Preferably, it is described detect contact event when calculate contact position refer to: calculate predetermined amount of time in send out earliest The contact position of raw contact event.Sphere may cause rebound and repeatedly press touch screen when landing, the predetermined time is arranged Section is avoided to sphere for the first time using first contact event for starting to occur after timing as the computing object of contact position The contact position sprung back again after landing is calculated, and can be directly using calculated result as the drop point site number of sphere According to, directly progress sphere drop point site whether judgement in play.
Preferably, it is described detect contact event when calculate contact position refer to: by the thing of capacitance variations on touch screen Part calculates the contact position of the contact event occurred earliest within a predetermined period of time as contact event.Sphere falls to touching After touching screen region, the capacitance charge on touch screen is drawn, so that the charge on touch screen changes, predetermined amount of time is set, The position for starting first capacitance variations occurred after timing is calculated as contact position, is produced after avoiding sphere landing Life springs back and repeats to press the calculating of invalid data caused by touch screen, reduces erroneous judgement.
In addition, described as sphere drop point site and judge whether sphere drop point site is located in the circle of court for contact position Later further include: show the judging result.It is detecting contact position, and is completing after calculating accordingly, carrying out sphere drop point Whether it is judgement in play, and the result judged is subjected to output and is shown.
In addition, the sphere drop point detection system further includes determination module, for detecting contact event in detection module When determine contact force whether be located in preset range, determination module determine contact force be located in preset range when, it is described Computing module calculates the contact position.In the sphere drop point detection system, by the ball pressure for touching touch screen generation of match Power value range is stored in advance, and when detection module, which detects on touch screen, the generation of contact event, needs determination module pair The pressure value of the contact of generation is compared with pre-stored pressure limit value, when being judged as the contact force value actually occurred Within the pressure limit value prestored, then continue the calculating of computing module, it is therefore prevented that by sportsman itself or other objects Body etc. it is non-targeted it is ball generate contact event, and handled by other subsequent modules when touching touch screen, it is final to occur The case where erroneous judgement.
In addition, the detection module detects multiple contact events within a predetermined period of time and determination module judgement is more When the contact force of a contact event is located in preset range, the processing module is by the contact of the contact event occurred earliest position It sets as sphere drop point site and judges whether the sphere drop point site is located in the circle of court.Due to that can occur when sphere landing Rebound, in turn results in multiple drop points, and when more than one drop point touches touch screen, the pressure that relevant contact generates can be detected It surveys module and determination module passes through, the calculating that line position of going forward side by side is set, in this regard, contact event will occur at first for the processing module of system Point position as sphere drop point site and carries out relevant judgement out, is avoided that and generates multiple drop points by sphere rebound and cause this Erroneous judgement of the system to drop point result.
Preferably, the detection module detects multiple contact events within a predetermined period of time and the determination module determines When the contact force of multiple contact events is located in preset range, the computing module to the earliest contact that contact event occurs into Line position sets calculating.The preset time period in the sphere drop point detection system in advance, and contact event detection is carried out in detection module When, the position of the contact event of first generation after starting timing is judged and calculated, can be returned to avoid due to sphere The calculating and judgement for the pressure disturbances system that multiple contacts that bullet generates generate, first pressure that can directly will test is pre- Determine the contact information in range and be conveyed to computing module to be calculated, and directly makes the processing whether sphere drop point is located in boundary Judgement.
Preferably, the event of capacitance variations will occur on the touchscreen for the detection module as contact event, the meter It calculates module and position calculating is carried out to the earliest contact that contact event occurs.When sphere is fallen on touch screen, draw on touch screen Capacitance charge simultaneously makes charge variation on touch screen, and predetermined amount of time is arranged, and detection module detects the touching of capacitance charge variation Point event and be in the first contact event occurred after starting timing, by computing module to the generation contact event Position carries out the calculating of contact position, and the number of touch screen generation is repeatedly touched caused by avoiding computing module to being bounced as sphere According to calculating, also reduce the probability of erroneous judgement.
In addition, the sphere drop point detection system further includes display module, for showing the judging result.In processing mould Block using the contact information that computing module transmits as the information of sphere drop point and after having judged whether the drop point is located in the circle of court, The judgement made by display module receiving processing module, and shown.
Detailed description of the invention
Fig. 1 is the flow diagram of sphere drop point detection method in first embodiment of the invention;
Fig. 2 is the contact position detection schematic diagram of touch screen in first embodiment;
Fig. 3 is another contact position detection schematic diagram of touch screen in first embodiment;
Fig. 4 is the modular structure schematic diagram of sphere drop point detection system in second embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention, Many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details and base In the various changes and modifications of following embodiment, each claim technical side claimed of the present invention also may be implemented Case.
The first embodiment of the present invention is related to a kind of sphere drop point detection methods, as shown in Figs. 1-3, comprising:
S01: the contact event of detection court boundary touch screen;
S02: contact position is calculated when detecting contact event;
S03: contact position as sphere drop point site and is judged whether sphere drop point site is located in the circle of court.
In the present embodiment, it is detected by contact event of the step S01 to court boundary, when sphere is fallen When on touch screen, after generating contact and being detected, calculated by position of the step S02 to contact event, when contact After location information is computed, by step S03 using the location information calculated by S02 as the actual falling point position of sphere It sets, and is compared with court boundary position information, judge whether sphere falls in the circle of court.The use of touch screen technology is opposite For Eagle Eye Technology, do not need setting high speed camera and multiple computers, it is low in cost, do not need to generate yet 3-D image, The moving line and drop point of sphere are simulated, is detected quick and accurate.
It is noted that being illustrated by taking one such touch screens as an example, it is only necessary to there are many kinds of touch screens in ball Touch screens are set around boundary line, without the needs according to visual angle in each orientation (such as upside etc.) of solid space The installation and relevant debugging of camera are carried out, installation process is more convenient simple;And the pressure sensitive in touch screens technology Effect accuracy is high, and induction speed is fast, can use in the environment of lower or higher temperature, stability is good, and compares High speed camera, be also hardly damaged during installation and transport, therefore have a good application prospect.
It should be noted that the contact event detection on touch screens is to fall in the pressure generated on touch screens by detection sphere It realizes, after which detects corresponding pressure, is converted to corresponding electric signal and is detected, the electricity in present embodiment Signal is resistance.Present embodiment is illustrated by taking the touch screens of four lines as an example, and as Figure 2-3, which is answered by multilayer Film composition is closed comprising two layers of transparency conducting layer being overlapped up and down, draws X-, X+ respectively from the opposite side different from two layers, Y-, Y+ have four lines altogether, and as four conductive electrodes, and X electrode is mutually perpendicular to Y electrode, when sphere is fallen on touch screens Contact force is generated, when the transparent name conductive layer that compressing is located at upside is pressed to the transparency conducting layer of downside, can be produced at the contact The direction of X electrode and Y electrode, is regarded as the X-direction and Y-direction of reference axis, according to the electricity in the circuit by a raw resistance respectively The relationship of resistance voltage relationship and corresponding side length hem width, the specific location of available contact, specific algorithm are as follows:
X-coordinate is calculated, applies driving voltage Vdrive, X- electrode ground connection in X+ electrode, Y+ is obtained as exit measurement The voltage of contact point, due to the transparency conducting layer homogeneous conductive, the ratio between contact voltage and Vdrive voltage are equal to contact X-coordinate With screen the ratio between width.
Y-coordinate is calculated, applies driving voltage Vdrive, Y- electrode ground connection in Y+ electrode, X+ is obtained as exit measurement The voltage of contact point, due to the transparency conducting layer homogeneous conductive, the ratio between contact voltage and Vdrive voltage are equal to contact Y-coordinate With screen height the ratio between.
In present embodiment, " S02: the calculating contact position when detecting contact event " includes: to detect touching Determine whether contact force is located in preset range when point event, when the contact force is located in preset range described in calculating Contact position.During ball game, other than sphere landing, sportsman itself may also with some other aspheric type objects The touch screen around the boundary of court is touched, the data transmission and system judgement of mistake are caused, as a result, according to the weight of sphere, The value range for presetting the pressure that sphere may cause, after detecting contact event, before carrying out contact position calculating, reply The pressure that contact generates is compared with the pressure limit value that pre-set sphere may cause, when pressure is pre-set When in pressure limit value, i.e., strictly after pressure caused by sphere landing, then the position calculating of contact is carried out, this avoids by non- Ball object touches touch screen and generates pressure, and causes the erroneous judgement of system.
It should be noted that when using touch screens, one layer be located above in two layers of transparency conducting layer on touch screens, Under the action of contact force, the transparency conducting layer with next layer is in contact, and really with the presence of resistance on contact, and is pressed Power effect is bigger, and the contact of upper and lower level is more abundant, and the contact resistance generated is with regard to smaller, conversely, pressure is smaller, upper and lower level is connect Touching is not enough, and the contact resistance accordingly generated is bigger, according to the rule of this resistance corresponding pressure and the weight of sphere itself Amount compares ball in play with this pressure limit value that sphere is likely to result in is arranged to distinguish other this non-by human body, racket etc. Contact force caused by body.
It should be noted that in an enforceable specific embodiment, it is described " S03: to be fallen contact position as sphere Point position simultaneously judges whether sphere drop point site is located in the circle of court " refer to: contact event will occur earliest in predetermined amount of time Contact position as sphere drop point site and judge whether the sphere drop point site is located in the circle of court.Because sphere lands It is easy to happen multiple reciprocal rebound afterwards, so as to cause the touch screen repeatedly touched around the boundary of court, and by sphere The multiple pressure itself generated can be calculated by system and be obtained contact position, be arranged predetermined amount of time as a result, such as from The touch screen that sphere touches boundary for the first time starts, until after sphere rebound ground/touch screen surface static period ( That is the landing process of sphere, e.g., about 0.5~1 second time), when calculating multiple contact positions according to multiple sphere drop points When, the contact position for first contact event that touch screen after timing is detected is avoided as sphere drop point site by " this Not as judge sphere whether landing that time of out-of-bounds " caused by the information landed as sphere of contact, avoid such Erroneous judgement.
It should be understood that can be further optimized in an enforceable change embodiment, i.e., described " S02: Contact position is calculated when detecting contact event " refer to: calculate the contact position of the contact event occurred earliest in predetermined amount of time It sets.Due to sphere land to be formed rebound and cause that multiple contact event occurs on the touchscreen, in this regard, present embodiment is equally set Set preset time period, for example, be set as since sphere touches the touch screen of boundary for the first time, after sphere rebound ground/ The touch screen surface static period (namely the landing process of sphere, e.g., about 0.5~1 second time), to being determined as sphere When contact event caused by pressure is detected, contact event that time earliest in preset time period is screened, and only to this Secondary contact event carries out contact position calculating, and using calculated contact position as the position of sphere drop point, with court boundary Data compare, judge sphere whether out-of-bounds.In present embodiment be provided with predetermined amount of time, after sensing, calculate before, just Using first time landing event as unique computing object, rather than after detecting and calculating all sphere contact positions, then sieve It selects first time contact information to be handled and judged, avoids into unnecessary calculating and treatment process, it is single to improve processing The processing speed of member be conducive to promote detection speed, be advanced optimized to aforementioned embodiments.
It is understood that in an enforceable change embodiment, another optimization can be done, described " S02: Contact position is calculated when detecting contact event " refer to: using the event of capacitance variations on touch screen as contact event, and calculate The contact position of the contact event occurred earliest within a predetermined period of time.Specifically, charge can be added on the touchscreen, preferably Using the capacitance plate in touch screen, and coat conductive coating at sphere (such as ball support of shuttlecock etc.) accordingly so that Absorption Capacitance charge when sphere landing contact touch screen, generates the contact event of capacitance variations, and predetermined amount of time is arranged, split The position of the contact event of first capacitance charge reduction of the generation after beginning timing is calculated.Due to there was only ball on court Body band conductive coating, charge on touch screen non-targeted ball will not be touched by equal other of sportsman itself and generate charge and subtract Small event, it is not easy to interference is generated to sphere drop point detection system, reduces erroneous judgement, in addition, the setting of predetermined amount of time, together Sample can optimize system, improve processing speed to avoid the calculating for landing the inoperative position data that rebound generates by sphere.
Further, described that contact position as sphere drop point site and is judged whether sphere drop point site is located at court It can also include: the display judging result after in boundary.Detect and to be determined as judging sphere whether that time of out-of-bounds Be sphere drop point site to the processing of the contact position of calculating after contact event caused by landing is calculated, and with court boundary Information compare, make sphere whether the judgement of out-of-bounds, final judging result is intuitively shown.
It is understood that the detection method in present embodiment not only can be adapted for badminton game, can also fit For other ball games such as table tennis, it is worth mentioning at this point that, when applying the technology in ping-pong contest, touch screen setting exists Around the boundary line of ping-pong table, likewise, touch screen is arranged in the corresponding position in other ball games also in boundary line, and not only Be confined on bottom surface, also, the detection method is also not only applicable to ball game, be also applied for drop point in need detection Situation.
Second embodiment of the present invention is related to a kind of sphere drop point detection system corresponding with sphere drop point detection method System, as shown in Figure 4, comprising:
Detection module 1, for detecting the contact event of court boundary touch screen;Computing module 2 is touched for calculating The contact position of point event;Processing module 3, for contact position as sphere drop point site and to be judged that sphere drop point site is It is no to be located in the circle of court.In present embodiment, when sphere is fallen on the touch screen of court boundary, the sphere drop point detection system Detection module 1 in system can detect relevant contact event, and be counted by contact position of the computing module 2 to contact event Calculate, processing module 3 will by the calculated contact position of computing module 2 as sphere drop point site, and with court boundary bit confidence Manner of breathing comparison, judges that sphere drop point is in the boundary of court or outside the boundary of court.Since present embodiment is implemented with first The compatible system of sphere drop point detection method in mode, detailed testing principle, calculating details, processing details etc. have all existed It is described in detail in first embodiment, to avoid repeating, which is not described herein again.
Sphere drop point detection system in present embodiment can also include determining whether module 4, for detecting in detection module 1 Determine whether contact force is located in preset range when to contact event, determines that contact force is located at predetermined model in determination module 4 When enclosing interior, the computing module 2 calculates the contact position.In present embodiment, by the pressure for presetting sphere landing Range, the contact event occurred by 4 Duis of determination module are compared with preset pressure limit, by computing module 2 to only existing Contact event in pressure limit carries out the calculating of contact position, avoid computing module 2 to by sportsman itself or other Aspheric type objects touch touch screen and generate relevant contact position and calculated, so that unnecessary calculating process is generated, It avoids and causes to judge by accident.
It should be noted that the detection module 1 is examined within a predetermined period of time in an enforceable specific embodiment Measure multiple contact events and when the determination module 4 determines that the contact force of multiple contact events is located in preset range, institute Processing module 3 is stated using the contact position of the contact event occurred earliest as sphere drop point site and judges sphere drop point position It sets and whether is located in the circle of court.When sphere itself occurs reciprocal spring and touches touch screen, it can not only be detected the inspection of module 1 It measures, can also be determined module 4 and pass through, and calculate computing module 2 to several contact positions, in this regard, by processing module 3 Calculated contact position is screened, using the earliest contact that contact event occurs as sphere drop point site, and after progress Continuous sphere whether the judgement of out-of-bounds, ensure that the accuracy of judgement, it is therefore prevented that ground is repeatedly fallen by sphere and the mistake that generates Sentence.
It should be understood that can be further optimized in this enforceable specific embodiment: the detection module 1 detects multiple contact events and the determination module 4 determines the contact force position of multiple contact events within a predetermined period of time When in preset range, the computing module 2 carries out position calculating to the earliest contact that contact event occurs.Sphere drop point inspection In examining system, it is provided with predetermined amount of time, for example is set as since sphere touches the touch screen of boundary for the first time, up to sphere In ground/touch screen surface static period (namely the landing process of sphere, e.g., about 0.5~1 second time) after rebound, In the predetermined amount of time, if detection module 1 detect bounced by multiple sphere and occur multiple contact events when, screening the The sphere of one generation lands contact event, and is calculated by contact position of the computing module 2 to this contact event, calculating As a result it is directly received by processing module 3, and is directly processed into the drop point site information of sphere, carrying out sphere, whether out-of-bounds are sentenced It is disconnected.This Optimal improvements " after detection module 1 to multiple sphere contacts event, computing module 2 calculates it, then All calculated results are screened by processing module 3 " this process, reduce the calculation amount in system, optimize program, mentions High efficiency, ensure that the accuracy rate of judgement.
It should be understood that can also be further optimized again in this enforceable specific embodiment: the detection Using the event of generation capacitance variations on the touchscreen as contact event, to earliest contact thing occurs module 1 for the computing module 2 The contact of part carries out position calculating.Specifically, capacitance plate technology that can preferably in touch screen technology, the capacitor on court boundary Charge is added on screen, and coats conductive layer on sphere, such as the coated in the ball support of shuttlecock, so that sphere is landing Charge when touching capacitance plate on Absorption Capacitance screen detects the capacitance variations occurred on this capacitance plate using detection module 1 Event, and predetermined amount of time is set, after starting timing, first contact event that detection module 1 detects, computing module 2 The position of the contact event is calculated;There was only the setting of sphere conduction itself on court, it is therefore prevented that due to sportsman itself Etc. it is non-targeted it is ball repeatedly touch system erroneous judgement caused by capacitance plate, and avoid to by sphere rebound generate invalid data Calculating.
Further, the sphere drop point detection system can also include display module 5, for showing the judgement knot Fruit.Pressure is detected in detection module 1, and is made that it is the judgement of pressure caused by sphere landing as judgment module 4, is calculated Module 2 has carried out the calculating of contact position, processing module 3 is made that sphere whether after the judgement of out-of-bounds, is received by display module 5 The judging result of processing module 3, and intuitively show place's judging result.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention, And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (12)

1. a kind of sphere drop point detection method, comprising: the contact event of detection court boundary touch screen;Detecting contact thing Contact position is calculated when part;Contact position as sphere drop point site and is judged whether sphere drop point site is located at court circle It is interior.
2. sphere drop point detection method according to claim 1, which is characterized in that the meter when detecting contact event Calculating contact position includes: to determine whether contact force is located in preset range when detecting contact event, when the contact is pressed Power calculates the contact position when being located in preset range.
3. sphere drop point detection method according to claim 2, which is characterized in that described to be fallen contact position as sphere It puts position and judges whether sphere drop point site is located in the circle of court and refer to: contact event will occur earliest in predetermined amount of time Contact position is as sphere drop point site and judges whether the sphere drop point site is located in the circle of court.
4. sphere drop point detection method according to claim 2, which is characterized in that the meter when detecting contact event It calculates contact position to refer to: calculating the contact position of the contact event occurred earliest in predetermined amount of time.
5. sphere drop point detection method according to claim 1, which is characterized in that the meter when detecting contact event It calculates contact position to refer to: using the event of capacitance variations on touch screen as contact event, and calculate earliest within a predetermined period of time The contact position of the contact event of generation.
6. the sphere drop point detection method according to any one of claim 3-5, which is characterized in that described by contact position As sphere drop point site and after judging whether sphere drop point site is located in the circle of court further include: the display judgement knot Fruit.
7. a kind of sphere drop point detection system characterized by comprising
Detection module, for detecting the contact event of court boundary touch screen;
Computing module, for calculating the contact position that contact event occurs;
Processing module, for contact position as sphere drop point site and to be judged whether sphere drop point site is located at court circle It is interior.
8. sphere drop point detection system according to claim 7, which is characterized in that further include determination module, for examining It surveys module and detects and determine whether contact force is located in preset range when the event of contact, determine contact force position in determination module When in preset range, the computing module calculates the contact position.
9. sphere drop point detection system according to claim 8, which is characterized in that the detection module is in predetermined amount of time Inside detect multiple contact events and when the determination module determines that the contact force of multiple contact events is located in preset range, The contact position of the contact event occurred earliest as sphere drop point site and is judged the sphere drop point by the processing module Whether position is located in the circle of court.
10. sphere drop point detection system according to claim 8, which is characterized in that the detection module is in the predetermined time Multiple contact events are detected in section and the determination module determines that the contact force of multiple contact events is located in preset range When, the computing module carries out position calculating to the earliest contact that contact event occurs.
11. sphere drop point detection system according to claim 7, which is characterized in that the detection module will be in touch screen The upper event that capacitance variations occur carries out position to the earliest contact that contact event occurs as contact event, the computing module It calculates.
12. the sphere drop point detection system according to any one of claim 9-11, which is characterized in that further include display mould Block, for showing the judging result.
CN201710771846.9A 2017-08-31 2017-08-31 A kind of sphere drop point detection method and detection system Pending CN109426385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710771846.9A CN109426385A (en) 2017-08-31 2017-08-31 A kind of sphere drop point detection method and detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710771846.9A CN109426385A (en) 2017-08-31 2017-08-31 A kind of sphere drop point detection method and detection system

Publications (1)

Publication Number Publication Date
CN109426385A true CN109426385A (en) 2019-03-05

Family

ID=65505368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710771846.9A Pending CN109426385A (en) 2017-08-31 2017-08-31 A kind of sphere drop point detection method and detection system

Country Status (1)

Country Link
CN (1) CN109426385A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102103451A (en) * 2009-12-17 2011-06-22 深圳富泰宏精密工业有限公司 System and method for protecting resistance-type touch screen
CN104307158A (en) * 2014-11-03 2015-01-28 北京义诺申科技有限公司 Auxiliary golf training system and method for implementing auxiliary golf training
CN204337681U (en) * 2014-12-23 2015-05-20 夏志全 A kind of electronic single point touch-control table tennis console table
TWM544348U (en) * 2017-04-14 2017-07-01 Kainan Vocational High School Drop point determination device
DE102016001440A1 (en) * 2016-02-04 2017-08-10 Enis Ben Naoua Competitive and / or training evaluation device and method for recording, transmitting and / or reproducing data in sports

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102103451A (en) * 2009-12-17 2011-06-22 深圳富泰宏精密工业有限公司 System and method for protecting resistance-type touch screen
CN104307158A (en) * 2014-11-03 2015-01-28 北京义诺申科技有限公司 Auxiliary golf training system and method for implementing auxiliary golf training
CN204337681U (en) * 2014-12-23 2015-05-20 夏志全 A kind of electronic single point touch-control table tennis console table
DE102016001440A1 (en) * 2016-02-04 2017-08-10 Enis Ben Naoua Competitive and / or training evaluation device and method for recording, transmitting and / or reproducing data in sports
TWM544348U (en) * 2017-04-14 2017-07-01 Kainan Vocational High School Drop point determination device

Similar Documents

Publication Publication Date Title
US11676312B2 (en) Object trajectory simulation
KR101412505B1 (en) Golf simulator, and golf simulation method
TWI537767B (en) System and method of multi-user coaching inside a tunable motion-sensing range
US20140378194A1 (en) Broadcasting method for broadcasting images with augmented motion data
CN108369634A (en) System and method for monitoring the object in athletic ground
CN103154880A (en) Evaluating an input relative to a display
US20140125806A1 (en) Sports Apparatus and Method
CN104665836A (en) length measuring method and length measuring device
US10569133B2 (en) Measurement system and measurement method
CN108226562A (en) Measure flyer flying quality device and method and with for perform this method program computer readable recording medium storing program for performing
CN115569344A (en) Standing long jump score evaluation method and device, electronic equipment and storage medium
CN102944180B (en) Table tennis ball tossing height detecting system and method based on image processing
Moshayedi et al. Kinect based virtual referee for table tennis game: TTV (Table Tennis Var System)
CN104535032A (en) Vertical jump height measuring method and device based on mobile terminal gravity sensor
CN109692450A (en) A kind of hollow sphere judgment method
CN107250956B (en) Method and system for binode sensing
Cunha et al. Real-time Evaluation System for Top Taekwondo Athletes: Project Overview.
CN109426385A (en) A kind of sphere drop point detection method and detection system
CN109458990A (en) A kind of instrument and equipment pose measurement and error compensating method based on the detection of label-free anchor point
CN109806564A (en) Electronic equipment, evaluation method and recording medium
CN107042012B (en) A kind of intelligence basketball shooting track monitoring method
CN116650922A (en) Deep learning-based teenager fitness comprehensive test method and system
CN116392800A (en) Based on target detection and image processing standing long jump distance measuring method and system
CN115546886A (en) Method and device for testing wall paddling by volleyballs based on visual technology
CN109099827A (en) A method of pen body posture is detected with electromagnetic location dual sensor by capacitor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190305

RJ01 Rejection of invention patent application after publication