CN109200564A - Based on optical optical longitudinal jiggle measuring method and system - Google Patents
Based on optical optical longitudinal jiggle measuring method and system Download PDFInfo
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- CN109200564A CN109200564A CN201710520899.3A CN201710520899A CN109200564A CN 109200564 A CN109200564 A CN 109200564A CN 201710520899 A CN201710520899 A CN 201710520899A CN 109200564 A CN109200564 A CN 109200564A
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4519—Muscles
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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
- A63B2220/62—Time or time measurement used for time reference, time stamp, master time or clock signal
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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
- A63B2220/805—Optical or opto-electronic sensors
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2244/00—Sports without balls
- A63B2244/08—Jumping, vaulting
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Physical Education & Sports Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Human Computer Interaction (AREA)
- Rheumatology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Of the invention a kind of to be based on optical optical longitudinal jiggle measuring method and system, for method the following steps are included: S1, marking off a test section, the rear that tester stands in test section is provided with identification strip；Identification strip enters in tester can be at least partially obscured when test section is stood firm；S2, enter test section as tester, continue to carry out image taking to test section, obtain the image sequence including identification strip；S3, it identifies in image sequence that identification strip first appears the image being absolutely not blocked and identification strip and restores the image blocked to two feet of testee for the first time；S4, to calculate identification strip and first appear the image being absolutely not blocked and identification strip to restore time experienced, the time between the image blocked to two feet of testee for the first time be the time of measuring that tester looks as far as one's eyes can see.Using the present invention, look as far as one's eyes can see that test data is accurate, testing efficiency is high, data acquisition is also more easier.
Description
Technical field
The present invention relates to physical examinations fields, in particular to a kind of to be based on optical optical longitudinal jiggle measuring method and system.
Background technique
In Department of Groups of General Administration of Sport in " national physique measurement standard manual and the standard (adult of publication in 2003
Part) " in, the test of national physique has been divided into three categories totally 11 test indexs, wherein including looking as far as one's eyes can see.
Looking as far as one's eyes can see is that human body under the control of central nervous system, by the cooperation of each link of body, plays lower limb
Muscle group maximum explosive force, to reach the technical movements of best longitudinal take-off technique.The test of the project can reflect survey very well
The explosive force of examination person.In existing test method, artificial visual test on duty substantially is carried out to subject by test man, i.e.,
Range estimation is jumped from testee takeoffs upwards, and both feet start timing when leaving ground, terminate timing, intermediate mistake when both feet land
The journey time is exactly the time for looking as far as one's eyes can see measurement.Using existing test method, not only testing efficiency is low, but also due to estimating meter manually
When, test data accuracy is not high, in addition, test data is also difficult to acquire statistics, this is just to the scale of progress, system, scientifically
It carries out nationwide physical condition monitoring and causes considerable hurdle.
Summary of the invention
Test data inaccuracy, testing efficiency are low, count for looking as far as one's eyes can see during existing national physique item detection by the present invention
The problems such as according to hardly possible acquisition, provides a kind of based on optical optical longitudinal jiggle measuring method and system.
It is of the invention a kind of based on optical optical longitudinal jiggle measuring method, comprising the following steps:
S1, a test section is marked off, the rear that tester stands in test section is provided with identification strip；Identification strip tester into
Entering can be at least partially obscured when test section is stood firm；
S2, enter test section as tester, continue to carry out image taking to test section, obtain the image sequence including identification strip
Column；
S3, identify that identification strip first appears the image being absolutely not blocked in image sequence and identification strip restores for the first time
The image blocked to two feet of testee；
S4, it calculates identification strip and first appears the image being absolutely not blocked and identification strip and restore for the first time to testee two
Time experienced between the image that foot blocks, the time are the time of measuring that tester looks as far as one's eyes can see.
Further, further include step S21 between step S2 and step S3, extract identification strip in image.
Further, identification strip is reflective strip, further includes in the step S2, carries out image taking to test section with lasting
It is synchronous, continue the light pulse signal alternately to identification strip transmitting with the first luminous intensity and the second luminous intensity, first light intensity
Degree and the second luminous intensity are unequal.
Further, reflective strip is infrared reflecting item, and light pulse signal is infrared light.
The present invention also provides one kind to look as far as one's eyes can see measuring system based on optical, including
Identification strip, the rear setting that tester stands in test section；The identification strip is when tester enters test section and stands firm
It can be at least partially obscured；
Image capturing unit, for continuing to carry out image taking to test section when entering test section as tester, obtaining includes mark
Know the image sequence including item；
Processing unit, identification strip first appears the image being absolutely not blocked, and mark in image sequence out for identification
Item restores the image blocked to two feet of testee for the first time；
Computing unit, calculates that identification strip first appears the image that is absolutely not blocked and identification strip restores for the first time to tested
Time experienced between the image that two feet of person block, the time are the time of measuring that tester looks as far as one's eyes can see.
It further, further include extraction unit, for extracting identification strip in image.
Further, identification strip is reflective strip, and system further includes light pulse signal transmitting unit, is used for and image taking list
Member is synchronous when continuing to carry out image taking to test section, continues alternately have the first luminous intensity and the second light to identification strip transmitting
The light pulse signal of intensity, the first luminous intensity and the second luminous intensity are unequal.
Further, reflective strip is infrared reflecting item, and light pulse signal is infrared light.
The beneficial effects of the present invention are: provided by the invention be based on optical optical longitudinal jiggle measuring method and system, indulged
Image taking is carried out when jumping measurement, the identification strip by being located at tester's standing rear in identification image blocks variation, calculating
The time that tester looks as far as one's eyes can see out.Using the present invention, for measure the item is looked as far as one's eyes can see in physical examinations, image is carried out by machine automatically
Shooting calculates time of measuring, with it is existing need it is artificial it is on duty using it is visual it is manually recorded by the way of compared with, not only test data
Accurately, and testing efficiency is substantially increased, data acquisition is also more easier.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein
Fig. 1 is that the present invention is based on optical optical longitudinal jiggle measuring method a preferred embodiment flow charts；
Fig. 2 is another preferred embodiment flow chart of the invention based on optical optical longitudinal jiggle measuring method；
Fig. 3 is the schematic diagram that identification strip is absolutely not blocked；
Fig. 4 is the schematic diagram that two feet of identification strip testee block；
Fig. 5 is that the present invention is based on the module diagrams of an optical preferred embodiment for looking as far as one's eyes can see measuring system；
The present invention is based on the module diagrams of optical another preferred embodiment for looking as far as one's eyes can see measuring system by Fig. 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, the present invention provides one kind based on optical optical longitudinal jiggle measuring method, comprising the following steps:
S1, a test section is marked off, the rear that tester stands in test section is provided with identification strip；The identification strip is being tested
Person enters can be at least partially obscured when test section is stood firm.
Partition testing area, guidance tester enter the region and carry out looking as far as one's eyes can see test.The test section can be rectangle, circle etc.
It is enough to play eye-catching independent zones.In the test section, the rear of tester standing place is provided with identification strip, can be setting
Setting.When tester, which enters test section standing, to be tested, the double-legged partial occlusion of identification strip meeting testee is lived, but is not
It is all blocked, i.e., as viewed from face tester direction, identification strip is incomplete.
S2, enter test section as tester, continue to carry out image taking to test section, obtain the figure including identification strip
As sequence.
Tester enters test section, starts to be tested.Continue to carry out image taking, the image shot to test section
It include identification strip in each frame image in sequence, that is, when shooting, the identification strip in test section is within the scope of shooting angle.It is excellent
Choosing, shooting face tester direction carries out, and shooting visual angle covers whole identification strip.
S3, identify that identification strip first appears the image being absolutely not blocked and identification strip for the first time in image sequence
Restore the image blocked to two feet of testee.
During test carries out, image recognition is carried out to the image sequence that shooting obtains, identifies that identification strip is first in image sequence
Secondary the image that is absolutely not blocked occur, i.e., tester jumps and takeoffs upwards at this time, lifts, formally starts to be indulged
It jumps.Fig. 3 is referred to, in the image that shooting obtains, if identification strip appearance is absolutely not blocked, mark is characterized in image
The lines of item are complete；After identification strip first appears the image being absolutely not blocked in identifying image sequence, then
It in subsequent sequential frame image, finds identification strip and restores the image blocked to two feet of testee for the first time, is i.e. tester at this time
Both feet land, and tester completes to look as far as one's eyes can see test.Fig. 4 is referred to, in the image that shooting obtains, if identification strip testee two
When foot blocks, then the lines that identification strip is characterized in image are divided into three sections.
S4, it calculates identification strip and first appears the image being absolutely not blocked and identification strip and restore for the first time to testee
Time experienced between the image that two feet block, the time are the time of measuring that tester looks as far as one's eyes can see.
In image sequence, finds to first appear in identification and is absolutely not blocked in image and subsequent image sequence,
After identification strip restores the image blocked to two feet of testee for the first time, the frame number between this two field pictures is calculated, is then tied
The set time between two field pictures is closed, the time of measuring that tester looks as far as one's eyes can see is calculated.
Fig. 2 is please referred to, the present invention, which provides, is based on the another preferred embodiment of optical optical longitudinal jiggle measuring method.Compared to Figure 1,
The embodiment further includes step S21 between step S2 and S3,
S21 extracts identification strip in image；
For obtaining the image sequence including identification strip, the identification strip in image is extracted.Identification strip can be reflective strip.
Preferably, further include in step S2, it is synchronous with when continuing to carry out image taking to test section, continue alternately to emit tool to identification strip
There is the light pulse signal of the first luminous intensity and the second luminous intensity.Wherein, the first luminous intensity and the second luminous intensity are unequal.Especially
, that weaker beam light pulse signal of luminous intensity, luminous intensity can be zero.In this case, with continue to test section into
Row image taking is synchronous, then is spaced a frame to identification strip transmitting light pulse signal (having certain luminous intensity).Due to reflective strip
Reflective, by it in the case where projecting with light pulse signal and without the imaging effect under light pulse signal projection, shooting is obtained
Image sequence, additive operation is carried out to consecutive frame image, then it is available to get rid of jamming light source, such as fluorescent lamp, and
Quick and precisely extract the reflective strip in image.Further, reflective strip can be infrared reflecting item, and light pulse signal is infrared
Light.
It is provided by the invention to be based on optical optical longitudinal jiggle measuring method, image taking is carried out when carrying out looking as far as one's eyes can see measurement, is passed through
Be located at the identification strip at tester's standing rear in identification image blocks variation, calculates the time that tester looks as far as one's eyes can see.Using this
Invention is carried out image taking by machine, calculates time of measuring automatically for looking as far as one's eyes can see measure the item in physical examinations, and existing
Needs it is artificial it is on duty using it is visual it is manually recorded by the way of compare, not only test data is accurate, but also substantially increases test
Efficiency, data acquisition are also more easier.
The present invention also provides one kind to look as far as one's eyes can see measuring system based on optical, please refers to Fig. 5, which includes identification strip, figure
As shooting unit, processing unit and computing unit.
Wherein, identification strip, the rear setting that tester stands in test section.The identification strip can be perpendicular in setting
It erects and sets.When tester, which enters test section standing, to be tested, the double-legged partial occlusion of identification strip meeting testee is lived, but not
It is all to be blocked, i.e., as viewed from face tester direction, identification strip is incomplete.
Image capturing unit, it is lasting to carry out image taking to test section for entering test section as tester, including
Image sequence including identification strip.It shoots in obtained image sequence, includes identification strip in each frame image, that is, when shooting,
Identification strip in test section is within the scope of shooting angle.Preferably, image capturing unit face tester direction carries out, shooting view
Angle covers whole identification strip.
Processing unit, identification strip first appears the image that one foot of testee blocks in image sequence out for identification,
And identification strip restores the image blocked to two feet of testee for the first time.During test carries out, processing unit obtains shooting
Image sequence carry out image recognition, identify that identification strip first appears the image being absolutely not blocked in image sequence, i.e., this
When tester jump and takeoff upwards, lift, formally start to be looked as far as one's eyes can see.Identification strip goes out for the first time in identifying image sequence
After the image being now absolutely not blocked, then in subsequent sequential frame image, finds identification strip and restore for the first time to testee
The image that two feet block, i.e., tester's both feet land at this time, and tester completes to look as far as one's eyes can see test.Identification strip characteristic in image is believed
The identifying processing of breath is in detail see the explanation about Fig. 3 and Fig. 4, and details are not described herein.
Computing unit, calculates that identification strip first appears the image that is absolutely not blocked and identification strip restores for the first time to quilt
Time experienced between the image that two feet of tester block, the time are the time of measuring that tester looks as far as one's eyes can see.In image
In sequence, processing unit finds in identification and first appears in the image being absolutely not blocked and subsequent image sequence, identifies
After item restores the image blocked to two feet of testee for the first time, computing unit calculates the frame number between this two field pictures, so
The set time between two field pictures is combined afterwards, then calculates the time of measuring that tester looks as far as one's eyes can see.
It further, should further include an extraction unit based on optical measuring system of looking as far as one's eyes can see, for extracting image acceptance of the bid
Know item and a light pulse signal transmitting unit.
For the image sequence including identification strip that image capturing unit obtains, extraction unit is first extracted in image
Identification strip.Identification strip can be reflective strip, synchronous, light arteries and veins when continuing to carry out image taking to test section with image capturing unit
It rushes signal transmitter unit and continues the light pulse signal alternately to identification strip transmitting with the first luminous intensity and the second luminous intensity.Its
In, the first luminous intensity and the second luminous intensity are unequal.Particularly, that weaker beam light pulse signal of luminous intensity, luminous intensity can
Think zero.In this case, while continuing to carry out image taking to test section, then a frame is spaced to identification strip and emits light
Pulse signal (has certain luminous intensity).It is reflective due to reflective strip, through it in the case where being projected with light pulse signal and not
With the imaging effect under light pulse signal projection, the image sequence that image capturing unit shooting obtains, extraction unit is to adjacent
Frame image carries out additive operation, then available to get rid of jamming light source, such as fluorescent lamp, and quick and precisely extracts in image
Reflective strip.Further, reflective strip can be infrared reflecting item, and light pulse signal is infrared light.
It is provided by the invention to look as far as one's eyes can see measuring system based on optical, image taking is carried out when carrying out looking as far as one's eyes can see measurement, is passed through
Be located at the identification strip at tester's standing rear in identification image blocks variation, calculates the time that tester looks as far as one's eyes can see.Using this
Invention is carried out image taking by machine, calculates time of measuring automatically for looking as far as one's eyes can see measure the item in physical examinations, and existing
Needs it is artificial it is on duty using it is visual it is manually recorded by the way of compare, not only test data is accurate, but also substantially increases test
Efficiency, data acquisition are also more easier.
The foregoing is merely exemplary embodiment of the present invention, are not intended to limit scope of patent protection of the invention, all
It is to be applied directly or indirectly in it using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content
His relevant technical field, is included within the scope of the present invention.
Claims (8)
1. one kind is based on optical optical longitudinal jiggle measuring method, which comprises the following steps:
S1, a test section is marked off, the rear that tester stands in test section is provided with identification strip；The identification strip is being tested
Person enters can be at least partially obscured when test section is stood firm；
S2, enter test section as tester, continue to carry out image taking to test section, obtain the image sequence including identification strip
Column；
S3, identify that identification strip first appears the image being absolutely not blocked in image sequence and identification strip restores for the first time
The image blocked to two feet of testee；
S4, it calculates identification strip and first appears the image being absolutely not blocked and identification strip and restore for the first time to testee two
Time experienced between the image that foot blocks, the time are the time of measuring that tester looks as far as one's eyes can see.
2. according to claim 1 be based on optical optical longitudinal jiggle measuring method, which is characterized in that step S2 and step S3 it
Between further include step S21, extract identification strip in image.
3. according to claim 2 be based on optical optical longitudinal jiggle measuring method, which is characterized in that the identification strip is reflective
Item further includes in the step S2, synchronous with continuing to carry out image taking to test section, continues alternately to have to identification strip transmitting
The light pulse signal of first luminous intensity and the second luminous intensity, first luminous intensity and the second luminous intensity are unequal.
4. according to claim 3 be based on optical optical longitudinal jiggle measuring method, which is characterized in that the reflective strip is infrared anti-
Striation, the light pulse signal are infrared lights.
5. one kind looks as far as one's eyes can see measuring system based on optical, which is characterized in that including
Identification strip, the rear setting that tester stands in test section；The identification strip is when tester enters test section and stands firm
It can be at least partially obscured；
Image capturing unit, for continuing to carry out image taking to test section when entering test section as tester, obtaining includes mark
Know the image sequence including item；
Processing unit, identification strip first appears the image being absolutely not blocked, and mark in image sequence out for identification
Item restores the image blocked to two feet of testee for the first time；
Computing unit, calculates that identification strip first appears the image that is absolutely not blocked and identification strip restores for the first time to tested
Time experienced between the image that two feet of person block, the time are the time of measuring that tester looks as far as one's eyes can see.
6. according to claim 5 look as far as one's eyes can see measuring system based on optical, which is characterized in that further include
Extraction unit, for extracting identification strip in image.
7. according to claim 6 look as far as one's eyes can see measuring system based on optical, which is characterized in that the identification strip is reflective
Item, system further include
Light pulse signal transmitting unit, be used for image capturing unit continue to test section carry out image taking when it is synchronous, hold
The continuous light pulse signal alternately to identification strip transmitting with the first luminous intensity and the second luminous intensity, first luminous intensity and second
Luminous intensity is unequal.
8. according to claim 7 be based on optical optical longitudinal jiggle measuring method, which is characterized in that the reflective strip is infrared anti-
Striation, the light pulse signal are infrared lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520899.3A CN109200564A (en) | 2017-06-30 | 2017-06-30 | Based on optical optical longitudinal jiggle measuring method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520899.3A CN109200564A (en) | 2017-06-30 | 2017-06-30 | Based on optical optical longitudinal jiggle measuring method and system |
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| Publication Number | Publication Date |
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| CN109200564A true CN109200564A (en) | 2019-01-15 |
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ID=64960810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710520899.3A Pending CN109200564A (en) | 2017-06-30 | 2017-06-30 | Based on optical optical longitudinal jiggle measuring method and system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000002102A1 (en) * | 1998-07-01 | 2000-01-13 | Sportvision System, Llc | System for measuring a jump |
| CN1274564A (en) * | 2000-06-09 | 2000-11-29 | 清华大学 | Infrared electro-optical longitudinal jiggle measuring method and device |
| CN2414794Y (en) * | 1999-10-13 | 2001-01-17 | 四川省体育科学研究所 | Jumping height/reaction tester |
| CN2673463Y (en) * | 2003-12-01 | 2005-01-26 | 中体同方体育科技有限公司 | Photoelectric corelation type longitudinal jumping testing instrument |
| CN104665838A (en) * | 2015-02-11 | 2015-06-03 | 深圳泰山在线科技有限公司 | Physical constitution detection method and system |
| CN104688237A (en) * | 2015-02-11 | 2015-06-10 | 深圳泰山在线科技有限公司 | Time measuring method and system for physique test |
-
2017
- 2017-06-30 CN CN201710520899.3A patent/CN109200564A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000002102A1 (en) * | 1998-07-01 | 2000-01-13 | Sportvision System, Llc | System for measuring a jump |
| CN2414794Y (en) * | 1999-10-13 | 2001-01-17 | 四川省体育科学研究所 | Jumping height/reaction tester |
| CN1274564A (en) * | 2000-06-09 | 2000-11-29 | 清华大学 | Infrared electro-optical longitudinal jiggle measuring method and device |
| CN2673463Y (en) * | 2003-12-01 | 2005-01-26 | 中体同方体育科技有限公司 | Photoelectric corelation type longitudinal jumping testing instrument |
| CN104665838A (en) * | 2015-02-11 | 2015-06-03 | 深圳泰山在线科技有限公司 | Physical constitution detection method and system |
| CN104688237A (en) * | 2015-02-11 | 2015-06-10 | 深圳泰山在线科技有限公司 | Time measuring method and system for physique test |
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Application publication date: 20190115 |