CN101667059A - Gesture recognition-based wireless intelligent judgment system - Google Patents
Gesture recognition-based wireless intelligent judgment system Download PDFInfo
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- CN101667059A CN101667059A CN200810137051A CN200810137051A CN101667059A CN 101667059 A CN101667059 A CN 101667059A CN 200810137051 A CN200810137051 A CN 200810137051A CN 200810137051 A CN200810137051 A CN 200810137051A CN 101667059 A CN101667059 A CN 101667059A
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Abstract
The invention discloses a gesture recognition-based wireless intelligent judgment system. A non-negligible time interval is between observing referee gesture by naked eyes and executing correspondingoperation; and for a recorder, the work load is burdensome, so wrong operation is easy to emerge, and the operation is influenced by subjective factors to a certain extent. The gesture recognition-based wireless intelligent judgment system comprises gloves (1), the palm part of the facade of the glove is provided with a conductive rubber sheet (2), the conductive rubber sheet and a resistor are connected in series and then are grounded or are in zero potential, each of fingertip parts of five fingers of the gloves is provided with conductive rubber (3) and is connected with a power supply on the back of the glove, each of the second joints of the ring finger and the middle finger is provided with conductive rubber and is connected in series with the resistor and then is grounded or is in zero potential, and the back of the glove is provided with a group of acceleration sensors (4) and a group of terrestrial magnetic sensors (5). The gesture recognition-based wireless intelligent judgment system is applied to basketball, volleyball, baseball, American football, hockey ball and the like, and competition fields similar with the sport events.
Description
Technical field:
The present invention relates to a kind of wireless intelligent judgment system based on gesture identification.
Background technology:
The ruling of referee on the arena determining the progress of bout, and judge's ruling is passed in real time, exactly and understood extremely important meaning in bout.On present competition field, the judge makes the award after the gesture, and a limit registrar observes official's signal, writes down and carry out other corresponding operations then.From being observed visually official's signal to carrying out corresponding operating, the time interval of can not ignore is arranged, and for the registrar, workload is heavy therebetween, be easy to occur maloperation, be subjected to the influence of subjective factor to a certain extent.In addition, because referee's action is just finished in a flash, this also affects the identification of registrar to action to a great extent.
Summary of the invention:
The gesture identification system that the purpose of this invention is to provide a kind of intelligence, gather referee's gesture motion by acceleration transducer and geomagnetic sensor, and can pass match court referee's gesture motion back computer system in real time, accurately, after the machine analytical calculation, finally realize Intelligent Recognition as calculated.
Above-mentioned purpose realizes by following technical scheme:
Wireless intelligent judgment system based on gesture identification, its composition comprises: gloves, the palm of the hand in described gloves front partly has conductive rubber slice, ground connection or zero potential after described conductive rubber slice is connected with resistance, the finger tip part of the described gloves the five fingers respectively has conductive rubber, and receive the power supply at the gloves back side, respectively there is conductive rubber at second joint place nameless and middle finger, ground connection or zero potential after connecting with resistance, one group of acceleration transducer and one group of geomagnetic sensor are equipped with in the described gloves back side.
Described wireless intelligent judgment system based on gesture identification, described acceleration transducer is a 3-axis acceleration sensor, described geomagnetic sensor is the diaxon geomagnetic sensor, wherein plot Magnetic Sensor and acceleration transducer are placed at grade, the plot Magnetic Sensor is placed on the face vertical with acceleration transducer in addition, give receiving chip the action acquired signal of the action of arm and finger, be transmitted to the radio frequency receiving end of far-end by receiving chip, described radio frequency receiving end is made of receiving chip nRF24E1 and USB interface, carry out demodulation at receiving end receiving data, decoding is delivered in the computing machine by the USB oral instructions then.
Described wireless intelligent judgment system based on gesture identification, use geomagnetic sensor and acceleration transducer identification carrier's finger and arm action, use the state that bends and stretches of conductive rubber identification carrier finger, carrier's the arm and the movement locus of finger are handled and reduced to the computing machine that information is reached far-end by transmitting chip, thereby carry out gesture identification.
Described wireless intelligent judgment system based on gesture identification, utilize Gesture Recognition, the windows desktop program of VC++ exploitation can be carried out analytical calculation to the information of going into through the USB oral instructions, and the referee's of refigure place gesture track, finally reach the purpose of gesture identification.
This technical scheme has following beneficial effect:
1. intelligentized identification and record have saved a large amount of work of registrar after the match
For can be accurately and write down court referee's judge in real time, the registrar must note referee's movement constantly after the match, and this is a very hard work for registrar after the match.In fact, can all note each judge's action of referee in order to guarantee the registrar, at least one registrar has all been arranged in each competition field.If but adopted native system, will save the expense that part is employed the registrar for club, the more important thing is, the intelligent action recognition and the record of native system have saved a large amount of work of registrar after the match, make the registrar only need open computer, moving mouse, press button, just can finish writing task, even unmanned record.
2. real-time, allow each football fan can both understand a progress that goes up match in time
In some big events, all can arrange the announcer, see judge's action from the registrar, pass to the announcer again to making record, long time delay is arranged between this.The LED subsidiary by native system show, can written form provides judge's ruling to the football fan, cooperates with announcer's explanation after the match again, and effect can be better.
The probability of mistake identification is little.
3. the present invention adopts path of integration and compares with the posture of standard database and discerns gesture, with respect to registrar's visual inspection, the probability that erroneous judgement occurs is littler, adopt record of the present invention in addition, also remove the clerical mistake that the registrar occurs from when record, also avoided of the influence of registrar's subjective factor simultaneously recognition result.
Abundant interface can be done further processing to data easily
4. data processing of the present invention is mainly carried out in computing machine, and computing machine has USB, serial port, and parallel port, therefore interfaces such as RJ45 can send out data according to different needs, do further processing.
5. extensibility is good
Because rich interface of the present invention, can connect different outer if main frame, have reasonable extendability, in addition, the present invention also is applicable to other the situation that comprises gesture identification fully, such as being applied in sign language identification, traffic police's gesture identification, the situation of the emergency dialing of mobile phone etc., only need changing, the database of identification software gets final product.
Description of drawings:
Accompanying drawing 1 is based on the wireless intelligent judgment system structured flowchart of gesture identification;
Accompanying drawing 2 is gloves front schematic view;
Accompanying drawing 3 is the synoptic diagram at the gloves back side;
Accompanying drawing 4 is conductive rubber structural drawing;
Accompanying drawing 5 be 2 fens gesture figure;
Accompanying drawing 6 is gloves back side sensor placement figure;
Accompanying drawing 7 is graphs of a relation of acceleration transducer placed side and surface level.
The specific embodiment of the present invention:
Embodiment 1:
Wireless intelligent judgment system based on gesture identification, its composition comprises: gloves 1, the palm of the hand in described gloves front partly has conductive rubber slice 2, ground connection or zero potential after described conductive rubber slice is connected with resistance, the finger tip part of the described gloves the five fingers respectively has conductive rubber 3, and receive the power supply at the gloves back side, respectively there is conductive rubber at second joint place nameless and middle finger, ground connection or zero potential after connecting with resistance, one group of acceleration transducer 4 and one group of geomagnetic sensor 5 are equipped with in the described gloves back side.
Described wireless intelligent judgment system based on gesture identification, described acceleration transducer is a 3-axis acceleration sensor, described geomagnetic sensor is the diaxon geomagnetic sensor, wherein plot Magnetic Sensor and acceleration transducer are placed at grade, the plot Magnetic Sensor is placed on the face vertical with acceleration transducer in addition, give receiving chip the action acquired signal of the action of arm and finger, be transmitted to the radio frequency receiving end of far-end by receiving chip, described radio frequency receiving end is made of receiving chip nRF24E1 and USB interface, carry out demodulation at receiving end receiving data, decoding is delivered in the computing machine by the USB oral instructions then.
Described wireless intelligent judgment system based on gesture identification, use geomagnetic sensor and acceleration transducer identification carrier's finger and arm action, use the state that bends and stretches of conductive rubber identification carrier finger, carrier's the arm and the movement locus of finger are handled and reduced to the computing machine that information is reached far-end by transmitting chip, thereby carry out gesture identification.
Described wireless intelligent judgment system based on gesture identification, utilize Gesture Recognition, the windows desktop program of VC++ exploitation can be carried out analytical calculation to the information of going into through the USB oral instructions, and the referee's of refigure place gesture track, finally reach the purpose of gesture identification.
Embodiment 2:
According to the function that realizes gloves are divided into finger movement collection and arm action collection two parts.Scantling plan as shown in Figure 1.
Finger movement collecting part (as accompanying drawing 2 and accompanying drawing 3):
The palm of the hand in gloves front partly has a bulk of conductive rubber slice, ground connection or zero potential after connecting with 5K resistance, the finger tip part of the five fingers respectively has a fritter conductive rubber, receive the gloves back side+the 5V power supply, there are a fritter conductive rubber such as accompanying drawing 2 in second joint place nameless and middle finger, ground connection or zero potential after the series connection of 5K resistance, as shown in Figure 4.
With official's signal 2 be divided into the example explanation, when the referee does this gesture, nameless and streblomicrodactyly touches the conductive rubber of the palm of the hand, thumb bending simultaneously touches the conductive rubber such as the accompanying drawing 5 at nameless second joint place, circuit turn-on, then accept pin of chip and receive high level, so just can collect the action of finger.Other operating state collections catch up with state similar.
The arm action collecting part:
The collection of arm action mainly is acceleration transducer and the geomagnetic sensor that relies on the gloves back side.Structure as shown in Figure 6, acceleration transducer is the 3-axis acceleration sensor MXR9500G that MEMSIC company produces, it can measure the three-dimensional acceleration of putting flat bottom with it.
The diaxon geomagnetic sensor MMC2021M that geomagnetic sensor is produced for MEMSIC company, the position of two geomagnetic sensor placements is shown in structural drawing.The action of the action of arm and finger is accepted chip nRF24E1 by giving as the circuit of figure, be transmitted to the radio frequency receiving end of far-end.
The radio frequency receiving end:
The radio frequency receiving end is made of receiving chip nRF24E1 and USB interface, carries out demodulation, decoding at receiving end nRF24E1 receiving data, gives USB interface signal then, sends computing machine to by USB interface.
Computing machine:
In computing machine, the present invention utilizes VC++ to send a visualization procedure, the data that the USB oral instructions come are handled, processing procedure is as follows, earlier the data of acceleration transducer are changed, then the acceleration that obtains is carried out twice integration to the time, just can obtain the movement locus of arm, again movement locus that obtains and standard operation track are compared, discern.
Sensor at the modes of emplacement of the back of the hand as shown in Figure 6.Because acceleration transducer can only be measured its acceleration of placing plane and vertical plane thereof, promptly among Fig. 7 along x ', y ', the acceleration of z ' for the ease of the data processing of computing machine, carry out linear transformation to the data that collect.
The acceleration transducer of judge's action is positioned at the back of the hand face of gloves, and the acceleration information that it collected satisfies function, and function must be about four variablees, promptly so
Wherein be meant three vectors determining three-dimensional space, the plane is a surface level, is the vector vertical with surface level, is time variable.
Acceleration transducer at a time residing plane is level always, as Fig. 7, this also with regard to mean the raw data of using 3-axis acceleration sensor output be not about
, and constantly residing position is relevant at this with sensor, promptly with
Directly related, how
Become
By accompanying drawing 6 as can be known, as long as known α, the value that β is two jiaos, just can be easy to obtain:
Do you so how ask α, the value of β? thing that geomagnetic sensor will do that Here it is.We adopt the MMC202XM of two diaxons to realize location to sensor plane of living in promptly obtaining α, the value that β is two jiaos in the present invention.
On x ' oy ' plane, place the value that a MMC202XM then can measure α, on x ' oz ' plane, place a MMC202XM and then can measure the β value.
We can draw by acceleration transducer
The value of instantaneous acceleration on the direction, can obtain the angle α on acceleration transducer and surface level and plane of living in by two geomagnetic sensors, the value of β, we send back to these data in the computing machine with radio-frequency technique, computing machine just can be according to the data that receive so, in conjunction with the formula of top derivation gained, just can determine the acceleration of any time arm.
Suppose that the arm initial velocity is 0, known arm acceleration at any time, so the acceleration function that obtains was amassed once the time and divide, just can obtain velocity function, once divide velocity function is long-pending again, just can obtain the path function of arm, like this, just can compare identification with the canonical function of prior input in computing machine, can differentiate the path function that obtains by mathematical methods such as least square methods.
Claims (5)
1. wireless intelligent judgment system based on gesture identification, its composition comprises: gloves, it is characterized in that: the palm of the hand in described gloves front partly has conductive rubber slice, ground connection or zero potential after described conductive rubber slice is connected with resistance, the finger tip part of the described gloves the five fingers respectively has conductive rubber, and receive the power supply at the gloves back side, respectively there is conductive rubber at second joint place nameless and middle finger, ground connection or zero potential after connecting with resistance, one group of acceleration transducer and one group of geomagnetic sensor are equipped with in the described gloves back side.
2. the wireless intelligent judgment system based on gesture identification according to claim 1, it is characterized in that: described acceleration transducer is a 3-axis acceleration sensor, described geomagnetic sensor is the diaxon geomagnetic sensor, wherein plot Magnetic Sensor and acceleration transducer are placed at grade, the plot Magnetic Sensor is placed on the face vertical with acceleration transducer in addition, give receiving chip the action acquired signal of the action of arm and finger, be transmitted to the radio frequency receiving end of far-end by receiving chip, described radio frequency receiving end is made of receiving chip nRF24E1 and USB interface, carry out demodulation at receiving end receiving data, decoding is delivered in the computing machine by the USB oral instructions then.
3. the wireless intelligent judgment system based on gesture identification according to claim 1 and 2, it is characterized in that: the finger and the arm action that use geomagnetic sensor and acceleration transducer identification carrier, use the state that bends and stretches of conductive rubber identification carrier finger, carrier's the arm and the movement locus of finger are handled and reduced to the computing machine that information is reached far-end by transmitting chip, thereby carry out gesture identification.
4. the wireless intelligent judgment system based on gesture identification according to claim 1 and 2, it is characterized in that: utilize Gesture Recognition, the windows desktop program of VC++ exploitation, can carry out analytical calculation to the information of going into through the USB oral instructions, and the referee's of refigure place gesture track, finally reach the purpose of gesture identification.
5. the wireless intelligent judgment system based on gesture identification according to claim 3, it is characterized in that: utilize Gesture Recognition, the windows desktop program of VC++ exploitation, can carry out analytical calculation to the information of going into through the USB oral instructions, and the referee's of refigure place gesture track, finally reach the purpose of gesture identification.
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| CN200810137051A CN101667059A (en) | 2008-09-03 | 2008-09-03 | Gesture recognition-based wireless intelligent judgment system |
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| CN200810137051A CN101667059A (en) | 2008-09-03 | 2008-09-03 | Gesture recognition-based wireless intelligent judgment system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236413A (en) * | 2010-04-26 | 2011-11-09 | 瑞萨电子株式会社 | Interface apparatus and gesture recognition method |
| CN103550923A (en) * | 2013-10-29 | 2014-02-05 | 南京邮电大学 | Wireless intelligent judgment system and method thereof for realizing intelligent judgment and scoring |
| CN104823181A (en) * | 2013-06-12 | 2015-08-05 | 投篮追踪公司 | Basketball shot-tracking system |
| CN107088296A (en) * | 2017-06-26 | 2017-08-25 | 李悦菡 | A kind of intelligent folding basketball stands |
| CN111228777A (en) * | 2020-02-27 | 2020-06-05 | 东北石油大学 | Intelligent basketball referee processing method and device |
| CN114330384A (en) * | 2021-11-24 | 2022-04-12 | 南京邮电大学 | Passive RFID phase information-based arm motion track tracking method |
-
2008
- 2008-09-03 CN CN200810137051A patent/CN101667059A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236413A (en) * | 2010-04-26 | 2011-11-09 | 瑞萨电子株式会社 | Interface apparatus and gesture recognition method |
| CN104823181A (en) * | 2013-06-12 | 2015-08-05 | 投篮追踪公司 | Basketball shot-tracking system |
| CN103550923A (en) * | 2013-10-29 | 2014-02-05 | 南京邮电大学 | Wireless intelligent judgment system and method thereof for realizing intelligent judgment and scoring |
| CN103550923B (en) * | 2013-10-29 | 2015-09-09 | 南京邮电大学 | A kind of wireless intelligent judgment system and realize intelligent judgment marking method |
| CN107088296A (en) * | 2017-06-26 | 2017-08-25 | 李悦菡 | A kind of intelligent folding basketball stands |
| CN111228777A (en) * | 2020-02-27 | 2020-06-05 | 东北石油大学 | Intelligent basketball referee processing method and device |
| CN114330384A (en) * | 2021-11-24 | 2022-04-12 | 南京邮电大学 | Passive RFID phase information-based arm motion track tracking method |
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Open date: 20100310 |