Summary of the invention
The present invention is for the needs that are applicable to that the basketball pass is trained, thereby a kind of contactless basketball pass trainer and pass success rate preparation method based on interactive projection system is provided.
Based on the contactless basketball pass trainer 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 the wall; Range sensor fixedly impacts on the 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 of interactive projection system is gathered signal output part and is connected with the passing target point collection signal input part 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 said switching mat is arranged on the front portion that impacts wall, and the switching mat signal output part of said switching mat is connected with the switching mat signal input part of control module.
It also comprises remote controller and wireless signal receiver module; Said remote controller is made up of button inputting circuits, decoding circuit and wireless signal transmitting module; Realize data interaction through wireless signal between this wireless signal transmitting module and the wireless signal receiver module; The signal output part of said button inputting circuits connects the signal input part of decoding circuit; The decoded signal output of said 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 wireless signal receiver module all adopt infrared technique or adopt Bluetooth technology to realize.
It also comprises timer, and the time signal output of said 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 may further comprise the steps realization:
The signal of step 1, the output of control module collection range sensor, after the distance signal of gathering 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 with this time be starting point, in duration is time of N * T, stop to receive distance signal from adding range sensor;
The time of the distance signal that step 3, control module basis receive; And with this time be starting point; Control interactive projection system one section video that has the N two field picture of projection on curtain; All comprise receive a sportsman's current point 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 is gathered the passing target dot information in real time, after collecting the passing target dot information, said passing target dot information is transferred to control module;
Step 5, the data that each is obtained time cycle are operated one by one as follows: the passing target dot information that control module determining step four collects whether with its corresponding two field picture in the position of passing target dot information pattern corresponding; If judged result is for being; Then passing target point is accurate, and its inner counter of control module control adds 1; If judged result is not, then passing target point mistake;
After executing all time cycles, control module divided by N, obtains basketball pass success rate with the value of counter, and output; Return execution in step one then.
Beneficial effect: the present invention pioneering contactless basketball pass trainer 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 promote sportsman's pass training effect significantly.
The present invention adopts the contactless basketball pass trainer of original creation, simulation true to nature environment and the basketball scene of passing of coming personally, and training effect is extremely remarkable;
The interactive projection system that the present invention adopts is a cutting edge technology, can several data be merged, and supports for follow-up basketball movement theory provides powerful experience.
The specific embodiment
The specific embodiment one, combine Fig. 1 to Fig. 3 that this specific embodiment is described, based on the contactless basketball pass trainer 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 the wall; Range sensor 2 fixedly impacts on the 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 of interactive projection system 1 is gathered signal output part and is connected with the passing target point collection signal input part 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 at first to be through capture device (inductor) target image (like 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 combines the real-time imaging interaction systems, makes the interaction effect that generation is combined closely between participant and the screen.
The composition of the interactive part of interactive projection system: interactive part is formed 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 is analyzed data that produced and virtual scene system docking to the data of gathering in real time; Third part: imaging moiety; Utilize projector or other picture reproducers to be presented on certain location to image; Picture reproducer is except projector, and plasma display, LCD, the LED screen can be as the carrier of interactive image. the 4th part: and auxiliary equipment, like transmission line; Installation component, PA-system etc.
The present invention as target image, realizes non-contacting basketball pass training with passing target point, and catches shooting through basketball is passed, and carries out carrying out network analysis by control module, obtains return of serve accuracy rate statistical value.
The present invention is through interactive projection system indication passing target point, 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 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 promote sportsman's pass training effect significantly.Be particularly useful for guard sportsman's pass training.
The difference of the described contactless basketball pass trainer 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; Said switching mat 3 is arranged on the front portion that impacts wall, and the switching mat signal output part of said switching mat 3 is connected with the switching mat signal input part of control module 10.
In this embodiment, switching mat 3 is arranged on impacts the wall front, the sportsman at first tramples switching mat 3 when passing, control module 10 after receiving the switching value signal of switching mat 3, the work of control interactive projection system.
The difference of the specific embodiment three, this specific embodiment and the specific embodiment one or two described contactless basketballs pass trainers based on interactive projection system is; It also comprises remote controller and wireless signal receiver module 42; Said remote controller is made up of button inputting circuits, decoding circuit and wireless signal transmitting module 41; Realize data interaction through wireless signal between this wireless signal transmitting module 41 and the wireless signal receiver module 42; The signal output part of said button inputting circuits connects the signal input part of decoding circuit; The decoded signal output of said 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 basketballs pass trainer based on interactive projection system of the specific embodiment four, this specific embodiment and the specific embodiment three is that wireless signal transmitting module 41 all adopts infrared technique to realize with wireless signal receiver module 42.
The difference of the described contactless basketballs pass trainer based on interactive projection system of the specific embodiment five, this specific embodiment and the specific embodiment three is that wireless signal transmitting module 41 all adopts Bluetooth technology to realize with wireless signal receiver module 42.
The difference of the described contactless basketballs pass trainer 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 said timer 5 is connected with the time signal input of control module 10.
The difference of the described contactless basketballs pass trainer 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 basketballs pass trainer based on interactive projection system of the specific embodiment eight, this specific embodiment and the specific embodiment three is that 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 may further comprise the steps realization:
The signal of step 1,2 outputs of control module 10 collection range sensors, after the distance signal of gathering 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 with this time be starting point, in duration is time of N * T, stop to receive distance signal from adding range sensor 2;
The time of the distance signal that step 3, control module 10 bases receive; And with this time be starting point; Control interactive projection system 1 one section video that has the N two field picture of projection on curtain 20; All comprise receive a sportsman's current point 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 is gathered the passing target dot information in real time, after collecting the passing target dot information, said passing target dot information is transferred to control module 10;
Step 5, the data that each is obtained time cycle are operated one by one as follows: the passing target dot information that control module 10 determining steps four collect whether with its corresponding two field picture in the position of passing target dot information pattern corresponding; If judged result is for being; Then passing target point is accurate, and control module 10 its inner counters of control add 1; If judged result is not, then passing target point mistake;
After executing all time cycles, control module 10 divided by N, obtains basketball pass success rate with the value of counter, and output; Return execution in step one then.