CN108926829B - Live-action motion video playing system matched with motion speed and control method - Google Patents
Live-action motion video playing system matched with motion speed and control method Download PDFInfo
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- CN108926829B CN108926829B CN201810700392.0A CN201810700392A CN108926829B CN 108926829 B CN108926829 B CN 108926829B CN 201810700392 A CN201810700392 A CN 201810700392A CN 108926829 B CN108926829 B CN 108926829B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
- A63B2071/0638—Displaying moving images of recorded environment, e.g. virtual environment
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B2071/0658—Position or arrangement of display
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/05—Image processing for measuring physical parameters
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
- A63B2220/806—Video cameras
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- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Human Computer Interaction (AREA)
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- Cardiology (AREA)
- Vascular Medicine (AREA)
- Closed-Circuit Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a live-action video playing system matched with a movement speed, which comprises a camera video capturing unit arranged near the upper part of a fitness device, wherein the camera video capturing unit is sequentially connected with an image analysis processing unit, a control unit and a movement database unit, the control unit is also connected with a plurality of video playing units, the video playing units are respectively connected with a video file storage medium and a display screen, and the control unit is also connected with an interactive operation unit arranged in front of the fitness device.
Description
Technical Field
The invention belongs to the technical field of analysis and processing of moving images in fitness places, particularly relates to a live-action video playing system matched with a movement speed, and further relates to a live-action video playing control method matched with the movement speed.
Background
The exercise time of the traditional sports equipment such as the treadmill and the bicycle in the fitness place is longer, and 90% of people feel boring, so that the exercise feeling is poor.
In order to improve the feeling of the exerciser, one method is to install a television and play some video files, and the defects are that the screen is small, the resolution is low, the playing content is not related to the exerciser, and the sports feeling is basically not changed.
In order to improve the feeling of the exerciser, another method is to make an integrated treadmill, increase a screen in a relatively closed space, play some video files, and have the defects of small screen, low resolution, integration of video playing and the specific treadmill, small space and little change of the exercise feeling.
In order to improve the feeling of the exerciser, a newer method is a treadmill combined with VR technology, which needs to wear VR glasses, wear various sensors on the body, and fix the VR glasses in a specific narrow area through some fixing devices, so that although the reality of the scene is enhanced, the body of the exerciser is bound, the VR glasses are heavy, the VR glasses are not suitable for being worn for a long time, the video playing and the specific VR treadmill are integrated, and the feeling of the exerciser is not greatly improved.
Disclosure of Invention
The invention aims to provide a live-action video playing system matched with a motion speed, and solves the problems that the live-action video playing speed is difficult to match with the human motion speed and the visual real experience cannot be brought in the prior art.
The invention also aims to provide a live-action motion video playing control method matched with the motion speed.
The invention adopts a first technical scheme that the live-action motion video playing system matched with the motion speed comprises a camera shooting video capturing unit arranged near the upper part of the body-building equipment, the camera shooting video capturing unit is sequentially connected with an image analyzing and processing unit, a control unit and a motion database unit, the control unit is also connected with a plurality of video playing units, the video playing units are respectively connected with a video file storage medium and a display screen, and the control unit is also connected with an interactive operation unit arranged in front of the body-building equipment.
The first technical aspect of the present invention is also characterized in that,
the image analysis processing unit and the control unit both adopt RK3288/RK3399 chips to realize corresponding functions, and a video file storage medium is a high-capacity hard disk.
The second technical scheme adopted by the invention is that the method for controlling the playing of the live-action motion video matched with the motion speed is based on a live-action motion video playing system matched with the motion speed and is implemented according to the following steps:
step 1, installing fitness equipment, performing elevation processing during first installation, determining static height data of a person on the fitness equipment as basic height data for subsequent height calculation of other persons, then acquiring a real-time human body motion image on the fitness equipment through a camera video capturing unit, acquiring a human body motion image waveform of a continuous frame of the human body motion image through a difference method by an image analysis processing unit, and calculating a change frequency f through wave crests and wave troughs to further obtain a current human body motion speed V;
and 3, the control unit sends playing speeds to all video playing units according to the movement speeds obtained in the step 1, and all the video playing units play video files at corresponding speeds according to the current human body movement speed V and display the video files through a display screen.
The second technical aspect of the present invention is also characterized in that,
the step 1 is implemented according to the following steps:
step 1.1, acquiring a video stream, and reading continuous three frames n, n +1, n + 2;
step 1.2, performing RGB image graying processing and binary processing;
step 1.3, acquiring the highest point of the edge image of the sportsman by an edge detection method: subtracting two frames from n +1, n +2 and n +1, subtracting the two subtraction results again to obtain a profile, continuously calculating continuous pictures in a certain time in such a way to obtain m profile images of the obtained moving person, and calculating the coordinates of the highest point of each image pixel point;
step 1.4, obtaining the up-and-down fluctuation frequency and amplitude of the highest point coordinate of the sportsman by determining the calculation of the up-and-down fluctuation change of the highest point coordinate of the sportsman between continuous frames in time, wherein the amplitude is measured by the number of pixels;
step 1.5, obtaining height data of the sportsman according to comparison between the highest point of the sportsman and the initially obtained basic height data;
and step 1.6, calculating the movement speed of the sportsman according to the optimized height-frequency algorithm.
Step 1.6 is specifically as follows:
firstly, judging whether the exercise is low-speed exercise or not according to comparison between the data of the highest point of the exercise and the height data, and assuming that the low-speed exercise is V0; for non-low speed motion, the corresponding speed value is calculated according to the following formula:
V＝k*h*f
wherein, V represents the non-low speed movement speed, h represents the height of the sportsman, f represents the up-down fluctuation frequency of the highest point of the sportsman, k is a correction coefficient, k is related to the amplitude change of the up-down fluctuation and is represented by the number of pixels, and the specific corresponding relation is as follows:
in the formula, f is more than or equal to 30≤6，
13≤f1≤16，
23≤f2≤27，
33≤f3≤37，
0.1≤k1≤0.3，
0.25≤k2≤0.45，
0.35≤k3≤0.55，
0.42≤k4≤0.62。
The step 3 is as follows:
the control unit sends the motion speed obtained in the step 1.6 to the video playing unit periodically, judges whether the current video playing speed is equal to the speed sent to the video playing unit by the control unit, selects the corresponding playing speed to refresh the current speed if the current video playing speed is equal to the speed sent to the video playing unit by the control unit, and sends a frame synchronization signal periodically if the current video playing speed is not equal to the speed sent to the video playing unit by the control unit so that the video playing unit and the frame synchronization signal are aligned with the current playing frame number.
The live-action sports video playing system matched with the sports speed has no coupling relation with the specific brand of the sports equipment, increases the selection range of the sports equipment and reduces the equipment cost; and a large-screen television with high usability-price ratio is used as a video display device, so that the feeling is improved, and the display cost is reduced. On the other hand, because the system is not coupled with specific sports equipment, the flexibility of random combination is increased, and the overall cost of sports facilities is reduced
Drawings
Fig. 1 is a schematic structural diagram of a live-action video playing system matched with a motion speed according to the present invention.
In the figure, 1, a camera video capturing unit, 2, an image analysis processing unit, 3, a control unit, 4, an interactive operation unit, 5, a video playing unit, 6, a motion database unit, 7, a display screen and 8, a video file storage medium.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a live-action sports video playing system matched with a sports speed, which is structurally shown in figure 1 and comprises a camera shooting video capturing unit 1 arranged near the upper part of a fitness device, wherein the camera shooting video capturing unit 1 is sequentially connected with an image analyzing and processing unit 2, a control unit 3 and a sports database unit 6, the control unit 3 is also connected with a plurality of video playing units 5, the video playing units 5 are respectively connected with a video file storage medium 8 and a display screen 7, and the control unit 3 is also connected with an interactive operation unit 4 arranged in front of the fitness device.
The image analysis processing unit 2 and the control unit 3 both adopt RK3288/RK3399 chips to realize corresponding functions, and the video file storage medium 8 is a large-capacity hard disk.
The image analysis processing unit 2 is used for preprocessing the acquired personnel moving images, acquiring the face, contour and height data of the sportsman through image preprocessing, calculating the fluctuation frequency of the sportsman by utilizing continuous image data analysis, further calculating the movement speed by combining the height, and transmitting the movement speed to the control unit 3, wherein the process is continuously carried out in the movement process of the personnel until the personnel stop moving and leave the equipment.
And the control unit 3 confirms whether the sports personnel uses the equipment for the first time or an old customer who uses the equipment once according to the personnel image information and the speed information transmitted by the image analysis processing unit 2, and finishes welcoming words of the sports personnel, selection of a sports route and selection of a sports starting point through the interactive operation unit 4, on one hand, the relevant information of the user is stored in a sports database, and on the other hand, the sports route and the starting point information are transmitted to the video playing unit. Especially when the customer chooses to continue moving from the last motion stop point, the control unit 3 reads the motion route and stop point information saved after the customer finishes the last motion from the motion database unit 6 and sends the motion route and stop point information to the video playing unit 5; and in the process of the movement of the personnel, the movement speed information is sent to the plurality of video playing units 5 through the real-time movement speed of the moving personnel transmitted by the image analysis processing unit 2. After the image analysis processing unit 2 transmits that the person has stopped moving, the information of the end point of video playing is acquired to the video playing unit 5 and stored in the moving motion database unit 6 to be called out when the person moves next time. In particular, in order to enhance the experience of the moving person, and support multiple display devices to perform multi-screen playing on the same scene, the control unit 3 needs to instruct the video playing unit 5 to synchronize on the playing speed according to the moving speed of the person.
And the interactive operation unit 4 is used for sending different welcome words aiming at the new client and the old client according to the command sent by the control unit 3, requesting the user to select a movement route and a movement starting point and sending corresponding information to the control unit 3.
And the video playing unit 5 reads the corresponding video file from the video file storage medium 8 according to the movement route and the starting point information sent by the control unit 3, and starts playing from the corresponding starting point. And in the process of movement, the movement speed information transmitted by the control unit 3 is received, the speed of video playing is controlled according to different speeds so as to match the movement speed of the sportsman, the change of the video scene observed by the sportsman is matched with the movement speed of the sportsman, and the sportsman can feel in the scene. When the video playing unit 5 receives the information that the person stops moving, which is transmitted by the control unit 3, the current moving route and the stop point information are sent to the control unit 3 for storage. In order to increase the experience of the user on the scene of the movement, the playing of the 4K video is supported, and simultaneously, according to the synchronous information sent by the control unit 3, the synchronous playing of different areas of the same scene by a plurality of screens is supported.
And the exercise database unit 6 is used for storing basic information of the client, sex, height (so as to calculate speed), running route selection and stop point information of last exercise, and the basic information, the sex, the height (so as to calculate speed), the running route selection and the stop point information of the last exercise are inquired and stored by the control unit.
And the display screen 7 selects a 4K large-screen television, supports 4K playing, and splices a plurality of televisions into a complete image.
A live-action motion video playing control method matched with a motion speed is implemented according to the following steps:
step 1, installing fitness equipment, performing elevation processing during first installation, determining static height data of a person on the fitness equipment as basic height data for subsequent height calculation of other persons, then acquiring real-time human body motion images on the fitness equipment through a camera video capturing unit 1, acquiring human body motion image waveforms of continuous frames of the human body motion images through a difference method by an image analysis processing unit 2, calculating change frequency f through wave crests and wave troughs, and further obtaining current human body motion speed V,
the step 1 is implemented according to the following steps:
step 1.1, acquiring a video stream, and reading continuous three frames n, n +1, n + 2;
step 1.2, performing RGB image graying processing and binary processing;
step 1.3, acquiring the highest point of the edge image of the sportsman by an edge detection method: subtracting two frames from n +1, n +2 and n +1, subtracting the two subtraction results again to obtain a profile, continuously calculating continuous pictures in a certain time in such a way to obtain m profile images of the obtained moving person, and calculating the coordinates of the highest point of each image pixel point;
step 1.4, obtaining the up-and-down fluctuation frequency and amplitude of the highest point coordinate of the sportsman by determining the calculation of the up-and-down fluctuation change of the highest point coordinate of the sportsman between continuous frames in time, wherein the amplitude is measured by the number of pixels;
step 1.5, obtaining height data of the sportsman according to comparison between the highest point of the sportsman and the initially obtained basic height data;
step 1.6, calculating the movement speed of the sportsman according to the optimized height-frequency algorithm;
step 1.6 is specifically as follows:
firstly, judging whether the exercise is low-speed exercise or not according to comparison between the data of the highest point of the exercise and the height data, and assuming that the low-speed exercise is V0; for non-low speed motion, the corresponding speed value is calculated according to the following formula:
V＝k*h*f
wherein, V represents the non-low speed movement speed, h represents the height of the sportsman, f represents the up-down fluctuation frequency of the highest point of the sportsman, k is a correction coefficient, k is related to the amplitude change of the up-down fluctuation and is represented by the number of pixels, and the specific corresponding relation is as follows:
in the formula, f is more than or equal to 30≤6，
13≤f1≤16，
23≤f2≤27，
33≤f3≤37，
0.1≤k1≤0.3，
0.25≤k2≤0.45，
0.35≤k3≤0.55，
0.42≤k4≤0.62；
Within the above range, the specific value of k is determined according to actual tests;
the control unit 3 sends the motion speed obtained in step 1.6 to the video playing unit 5 periodically, and judges whether the current video playing speed is equal to the speed sent to the video playing unit 5 by the control unit 3, if so, the corresponding playing speed is selected to refresh the current speed, and if not, the control unit 3 sends a frame synchronization signal periodically to make the video playing unit 5 and the frame synchronization signal align with the current playing frame number.
The live-action sports video playing control method matched with the sports speed, disclosed by the invention, can be used for identifying the sports speed of people and controlling the plurality of video playing units to synchronously play different areas of the same scene in real time, so that a real scene playing method matched with the sports speed is provided for people to use sports equipment for body building, the boring feeling of people in sports is eliminated, and the sports pleasure is increased. Meanwhile, the system has no coupling relation with the specific brand of the sports equipment, so that the selection range of the sports equipment is enlarged, and the equipment cost is reduced; and a large-screen television with high usability-price ratio is used as a video display device, so that the feeling is improved, and the display cost is reduced. On the other hand, because the system is not coupled with specific sports equipment, the flexibility of random combination is increased, and the overall cost of sports facilities is reduced.
Claims (4)
1. A live action video playing control method matched with a movement speed is characterized in that based on a live action video playing system matched with the movement speed, the live action video playing system comprises a camera video capturing unit (1) arranged near the upper part of a fitness device, the camera video capturing unit (1) is sequentially connected with an image analyzing and processing unit (2), a control unit (3) and a movement database unit (6), the control unit (3) is further connected with a plurality of video playing units (5), the video playing units (5) are respectively connected with a video file storage medium (8) and a display screen (7), the control unit (3) is further connected with an interactive operation unit (4) arranged in front of the fitness device, the image analyzing and processing unit (2) and the control unit (3) both adopt a RK 88/RK3399 chip to realize corresponding functions, and the video file storage medium (8) is a large-capacity hard disk, the method is implemented according to the following steps:
step 1, installing fitness equipment, performing elevation processing during first installation, determining static height data of a person on the fitness equipment as basic height data for subsequent height calculation of other persons, then acquiring a real-time human body motion image on the fitness equipment through a camera video capturing unit (1), acquiring a human body motion image waveform for continuous frames of the human body motion image through a difference method through an image analysis processing unit (2), and calculating a change frequency f through wave crests and wave troughs to obtain a current human body motion speed V;
step 2, the control unit (3) determines the video files and corresponding playing start points according to the motion item options selected by the user in the interactive operation unit (4), and then the control unit (3) issues playing routes and start point information to each video playing unit (5);
and 3, the control unit (3) sends the playing speed to each video playing unit (5) according to the motion speed obtained in the step 1, and each video playing unit (5) plays the video file at a corresponding speed frequency according to the current human body motion speed V and displays the video file through the display screen (7).
2. The method for controlling playing of the live-action video matched with the movement speed according to claim 1, wherein the step 1 is implemented by the following steps:
step 1.1, acquiring a video stream, and reading continuous three frames n, n +1, n + 2;
step 1.2, performing RGB image graying processing and binary processing;
step 1.3, acquiring the highest point of the edge image of the sportsman by an edge detection method: subtracting two frames from n +1, n +2 and n +1, subtracting the two subtraction results again to obtain a profile, continuously calculating continuous pictures in a certain time in such a way to obtain m profile images of the obtained moving person, and calculating the coordinates of the highest point of each image pixel point;
step 1.4, obtaining the up-and-down fluctuation frequency and amplitude of the highest point coordinate of the sportsman by determining the calculation of the up-and-down fluctuation change of the highest point coordinate of the sportsman between continuous frames in time, wherein the amplitude is measured by the number of pixels;
step 1.5, obtaining height data of the sportsman according to comparison between the highest point of the sportsman and the initially obtained basic height data;
and step 1.6, calculating the movement speed of the sportsman according to the optimized height-frequency algorithm.
3. The method for controlling playing of the live-action video matched with the motion speed according to claim 2, wherein the step 1.6 is as follows:
firstly, judging whether the exercise is low-speed exercise or not according to comparison between the data of the highest point of the exercise and the height data, and assuming that the low-speed exercise is V0; for non-low speed motion, the corresponding speed value is calculated according to the following formula:
V＝k*h*f
wherein, V represents the non-low speed movement speed, h represents the height of the sportsman, f represents the up-down fluctuation frequency of the highest point of the sportsman, k is a correction coefficient, k is related to the amplitude change of the up-down fluctuation and is represented by the number of pixels, and the specific corresponding relation is as follows:
in the formula, f is more than or equal to 30≤6，
13≤f1≤16，
23≤f2≤27，
33≤f3≤37，
0.1≤k1≤0.3，
0.25≤k2≤0.45，
0.35≤k3≤0.55，
0.42≤k4≤0.62。
4. The method for controlling playing of the live-action video matched with the movement speed according to claim 3, wherein the step 3 is as follows:
the control unit (3) sends the motion speed obtained in the step 1.6 to the video playing unit (5) periodically, and judges whether the current video playing speed is equal to the speed sent to the video playing unit (5) by the control unit (3), if so, the corresponding playing speed is selected to refresh the current speed, and if not, the control unit (3) sends a frame synchronization signal periodically to enable the video playing unit (5) and the frame synchronization signal to be aligned with the current playing frame number.
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| CN201085891Y (en) * | 2007-08-03 | 2008-07-16 | 何铭宽 | Simulation control device of running device |
| CN101711913A (en) * | 2008-09-30 | 2010-05-26 | 郭偲 | Game fitness equipment for simulating live-action traveling |
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| US9744426B2 (en) * | 2015-06-26 | 2017-08-29 | Hon Hai Precision Industry Co., Ltd. | Electronic device and method for controlling the electronic device |
| KR101878201B1 (en) * | 2016-06-23 | 2018-08-20 | 목포대학교산학협력단 | Real time interactive health care apparatus based on display and the method thereof |
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|---|---|---|---|---|
| CN201085891Y (en) * | 2007-08-03 | 2008-07-16 | 何铭宽 | Simulation control device of running device |
| CN101711913A (en) * | 2008-09-30 | 2010-05-26 | 郭偲 | Game fitness equipment for simulating live-action traveling |
| CN107281736A (en) * | 2017-06-15 | 2017-10-24 | 成都优芯微电子技术有限公司 | A kind of the riding speed control system and method for intelligent outdoor scene Spinning |
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