Summary of the invention
The present invention is the needs of training in order to be applicable to basketball pass, thereby the basketball pass success rate preparation method of a kind of employing based on the contactless device for training basketball pass of interactive projection system is provided.
Based on the contactless device for training basketball pass of interactive projection system, it comprises and impacts wall, interactive projection system, curtain, range sensor and control module;
Curtain is covered with and is laid on and impacts on wall; Range sensor fixedly impacts on wall;
The projection control signal input of interactive projection system is connected with the projection control signal output of control module;
The passing target point collection signal output of interactive projection system is connected with the passing target point collection signal input of control module;
The distance signal output of range sensor is connected with the distance signal input of control module.
It also comprises switching mat, and described switching mat is arranged on the front portion that impacts wall, and the switching mat signal output part of described switching mat is connected with the switching mat signal input part of control module.
It also comprises remote controller and reception of wireless signals module, described remote controller is comprised of button inputting circuits, decoding circuit and wireless signal transmitting module, realize data interaction by wireless signal between this wireless signal transmitting module and reception of wireless signals module, the signal output part of described button inputting circuits connects the signal input part of decoding circuit, the decoded signal output of described decoding circuit connects the signal input part of wireless signal transmitting module, and the signal output part of wireless receiving module is connected with the signal input part of control module.
Wireless signal transmitting module and reception of wireless signals module all adopt infrared technique or adopt Bluetooth technology to realize.
It also comprises timer, and the time signal output of described timer is connected with the time signal input of control module.
Adopt the contactless basketball pass success rate preparation method based on interactive projection system of said apparatus, it comprises the following steps realization:
The signal of step 1, the output of control module collection range sensor, after the distance signal that gathers acquisition surpasses setting threshold, while execution in step two and step 3;
Step 2, control module be according to the time of the distance signal that receives, and take this time as starting point, stops receiving the distance signal from range sensor in duration is time of N * T;
The time of the distance signal that step 3, control module basis receive, and take this time as starting point, control interactive projection system one section video with the N two field picture of projection on the curtain, all comprise a current point of the sportsman that receives and a passing target dot pattern on every two field picture, the playing duration time of every two field picture is a period of time T;
Step 4, in each period of time T, interactive projection system Real-time Collection passing target dot information after collecting the passing target dot information, transfers to control module with described passing target dot information;
Step 5, the data that each is obtained time cycle proceed as follows one by one: whether the passing target dot information that control module determining step four collects is corresponding with the position of passing target dot information pattern in its corresponding two field picture, if judgment result is that be, passing target point is accurate, and control module is controlled its inner counter and added 1; If the determination result is NO, passing target point mistake;
After executing all time cycles, control module divided by N, obtains the basketball pass success rate with the value of counter, and output; Then return to execution in step one.
Beneficial effect: the present invention pioneering contactless device for training basketball pass and pass success rate preparation method based on interactive projection system, the present invention can effectively improve sportsman's respond, promotes sportsman's ability to predict; And can carry out intensive training targetedly, thereby significantly promote sportsman's pass training effect.
The present invention adopts the contactless device for training basketball pass of original creation, simulation true to nature come personally environment and basketball pass scene, and training effect is extremely remarkable;
The interactive projection system that the present invention adopts is cutting edge technology, several data can be merged, and supports for follow-up basketball movement theory provides powerful experience.
The specific embodiment
The specific embodiment one, in conjunction with Fig. 1 to Fig. 3, this specific embodiment is described, based on the contactless device for training basketball pass of interactive projection system, it comprises and impacts wall, interactive projection system 1, curtain 20, range sensor 2 and control module 10;
Curtain 20 is covered with and is laid on and impacts on wall; Range sensor 2 fixedly impacts on wall;
The projection control signal input of interactive projection system 1 is connected with the projection control signal output of control module 10;
The passing target point collection signal output of interactive projection system 1 is connected with the passing target point collection signal input of control module 10;
The distance signal output of range sensor 2 is connected with the distance signal input of control module 10.
Operation principle: the operation principles of interactive projection system is to be at first by capture device (inductor), target image (as the participant) to be caught shooting, then by the image analysis system analysis, thereby produce the action of the object that is captured, this action data makes in conjunction with the real-time imaging interaction systems interaction effect that between participant and screen, generation is combined closely.
The composition of the interactive part of interactive projection system: interactive part forms first by four parts: the signals collecting part, catch shooting according to interactive demand, and capture device has infrared inductor, video cameras, heating power device for shooting etc.; Second portion: signal processing, this part be the data analysis of Real-time Collection, the data that produce and virtual scene system docking; Third part: imaging moiety, utilize projector or other picture reproducers that image is presented on specific position, picture reproducer is except projector, plasma display, liquid crystal display, the LED screen can be as the carrier of interactive image. the 4th part: auxiliary equipment, as transmission line, installation component, PA-system etc.
The present invention as target image, realizes passing target point non-contacting basketball pass training, and by basketball pass is caught shooting, carries out carrying out network analysis by control module, obtains return of serve accuracy rate statistical value.
The present invention indicates the passing target point by interactive projection system, the training that the sportsman can autotelicly be passed; Simulation is environment when participating in the cintest, thereby effectively improves sportsman's reaction speed and flexible ability, and the reaction time of reducing the sportsman.The present invention is applicable to the basketball pass training.
The present invention can be resultful raising sportsman's respond, promote sportsman's ability to predict; And can carry out intensive training targetedly, thereby significantly promote sportsman's pass training effect.Be particularly useful for guard sportsman's pass training.
The difference of the described contactless device for training basketball pass based on interactive projection system of the specific embodiment two, this specific embodiment and the specific embodiment one is, it also comprises switching mat 3, described switching mat 3 is arranged on the front portion that impacts wall, and the switching mat signal output part of described switching mat 3 is connected with the switching mat signal input part of control module 10.
In present embodiment, switching mat 3 is arranged on impacts the wall front, at first the sportsman tramples switching mat 3 when passing, and control module 10 is controlled interactive projection system work after receiving the switching value signal of switching mat 3.
the specific embodiment three, the difference of the described contactless device for training basketball pass based on interactive projection system of this specific embodiment and the specific embodiment one or two is, it also comprises remote controller and reception of wireless signals module 42, described remote controller is by button inputting circuits, decoding circuit and wireless signal transmitting module 41 form, realize data interaction by wireless signal between this wireless signal transmitting module 41 and reception of wireless signals module 42, the signal output part of described button inputting circuits connects the signal input part of decoding circuit, the decoded signal output of described decoding circuit connects the signal input part of wireless signal transmitting module 41, and the signal output part of wireless receiving module 42 is connected with the signal input part of control module 10.
The difference of the described contactless device for training basketball pass based on interactive projection system of the specific embodiment four, this specific embodiment and the specific embodiment three is, wireless signal transmitting module 41 and reception of wireless signals module 42 all adopt infrared technique to realize.
The difference of the described contactless device for training basketball pass based on interactive projection system of the specific embodiment five, this specific embodiment and the specific embodiment three is, wireless signal transmitting module 41 and reception of wireless signals module 42 all adopt Bluetooth technology to realize.
The difference of the described contactless device for training basketball pass based on interactive projection system of the specific embodiment six, this specific embodiment and the specific embodiment three is, it also comprises timer 5, and the time signal output of described timer 5 is connected with the time signal input of control module 10.
The difference of the described contactless device for training basketball pass based on interactive projection system of the specific embodiment seven, this specific embodiment and the specific embodiment three is, the width that impacts wall is that 2 meters~5 meters, height are 2 to 4 meters.
The difference of the described contactless device for training basketball pass based on interactive projection system of the specific embodiment eight, this specific embodiment and the specific embodiment three is, control module 10 adopts chip microcontroller.
The contactless basketball pass success rate preparation method based on interactive projection system of the specific embodiment nine, the employing specific embodiment one, it comprises the following steps realization:
The signal of step 1, control module 10 collection range sensor 2 outputs, after the distance signal that gathers acquisition surpasses setting threshold, while execution in step two and step 3;
Step 2, control module 10 be according to the time of the distance signal that receives, and take this time as starting point, stops receiving the distance signal from range sensor 2 in duration is time of N * T;
The time of the distance signal that step 3, control module 10 bases receive, and take this time as starting point, control interactive projection system 1 one section video with the N two field picture of projection on the curtain 20, all comprise a current point of the sportsman that receives and a passing target dot pattern on every two field picture, the playing duration time of every two field picture is a period of time T;
Step 4, in each period of time T, interactive projection system 1 Real-time Collection passing target dot information after collecting the passing target dot information, transfers to control module 10 with described passing target dot information;
Step 5, the data that each is obtained time cycle proceed as follows one by one: whether the passing target dot information that control module 10 determining steps four collect is corresponding with the position of passing target dot information pattern in its corresponding two field picture, if judgment result is that be, passing target point is accurate, and control module 10 is controlled its inner counter and added 1; If the determination result is NO, passing target point mistake;
After executing all time cycles, control module 10 divided by N, obtains the basketball pass success rate with the value of counter, and output; Then return to execution in step one.