CN105045385A - Terminal gesture recognition method based on dual microphones - Google Patents
Terminal gesture recognition method based on dual microphones Download PDFInfo
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Abstract
The present invention discloses a terminal gesture recognition method based on dual microphones. The gesture recognition method comprises the following steps that: two microphones are placed on a terminal device, a gesture corresponding command is defined in advance, and two microphones can be used as a terminal primary microphone and an auxiliary microphone at ordinary times; when a user swings palms, two microphones can determine actions of two hands by analysis of a reaching sequence and an intensity variation of an acoustic wave; an intensity variation rule of the acoustic wave is judged, and a corresponding command is defined for each action and a gesture operation function is defined; according to the above defined gesture operation function, a gesture action is obtained; the obtained gesture action is matched with a predefined gesture; and finally, inputting of a gesture operation command is completed. The terminal gesture recognition method has the characteristics of reasonable design and convenience for use and the like; the method is low in cost and is low in development difficulty; when the method is in use, a user does not hold the terminal or wear ancillary attachments; and the method is suitable for a low cost terminal product to use.
Description
Technical field
The present invention relates to terminal product gesture identification field, specifically a kind of terminal gesture identification method based on diamylose gram.
Background technology
Current terminal device is fast-developing to intelligent direction, increasing to gesture identification demand.General gesture identification method is realized by built-in acceleration, gyroscope, the sensor such as closely, and cost is high, technical difficulty is large, the school cycle of adjusting is grown, need use the accessories such as supporting wrist-watch or finger ring.
The patent document of existing application: number of patent application is " CN201510021180.6 ", name is called " multimedia equipment that can produce hyperacoustic receiver and formation thereof ", this document disclose that " one can produce hyperacoustic receiver, comprise loudspeaker, sound chamber, phonate hole, leak holes, be arranged on the Mike in sound chamber, comparer, wave filter, the outgoing from phonate hole with the sound wave of the target frequency making loudspeaker produce or ultrasonic wave energy of phonate hole size extendedization, the input signal of target frequency is provided to loudspeaker during work, Mike monitors the sound frequency in sound chamber, sound frequency compares with target frequency response curve by comparer, input signal is carried out curve fitting by wave filter, make the frequency of the target frequency response curve at phonate hole place still can pass through phonate hole when more than 3KHz, and frequency response curve frequency of sound wave be less than 3KHz part do not change.The program can make receiver send the ultrasound wave of required frequency, and this ultrasonic receiver can be widely used in the multimedia equipment based on ultrasound wave gesture identification, and on the quality of earpiece sound without any impact; The cost of multimedia equipment need not be increased, also without the need to revising the hardware circuit of multimedia equipment.”
Number of patent application is " CN201310080450.1 ", and name is called " a kind of gesture identification method based on mobile terminal and system ", this document discloses " a kind of gesture identification method based on mobile terminal and system.In the present invention, by launching ultrasound wave from 4 different positions, calculate the gesture of mobile phone users and the distance of 4 ultrasound wave transmitting sites and the gesture of mobile phone users and carry out spatial modeling relative to the change of the locus of 4 diverse locations, gesture motion can be identified fast and accurately and perform corresponding operation, solve in prior art by camera capturing motion track, action recognition precision is difficult to ensure, is easily subject to the problem of the interference of light and other factors.”
Above-mentioned disclosed file, all exists and needs to configure accessory kit, cost is high, technical difficulty is large, problem that the school tune cycle is grown.
summary of the invention
Technical assignment of the present invention is to provide a kind of terminal gesture identification method based on diamylose gram.
Technical assignment of the present invention realizes in the following manner, and this gesture identification method step is as follows:
Step 1: two pieces of Mikes placed by terminal device, and the order of pre-defined gesture correspondence, two pieces of Mikes can be used as the main Mike of terminal and auxiliary Mike use at ordinary times;
Step 2: when user's paddling palm, two pieces of Mikes can judge the action of both hands by the sequencing and strong and weak change analyzing sound wave arrival;
Step 3: judge the strong and weak Changing Pattern of two pieces of Mike's sound waves, and be each action definition the corresponding command, definition gesture operation function;
Step 4: according to gesture operation function defined above, draw gesture motion;
Step 5: by the gesture motion coupling Pre-defined gesture drawn;
Step 6: last, completes gesture operation order input.
In described step 1, two pieces of Mikes are arranged on the diagonal positions of terminal device.
In described step 1, preset and arrive audio coding decoding chip place simulating signal threshold value, ignore the interference of general voice signal, improve the discrimination degree of gesture motion.
In described step 3, mated by sound wave pace of change, to the paddling definition of gesture different command of same action friction speed.
In described step 4, for the sound wave remotely transmitted, by default, get rid of the impact of the sound wave that non-user gesture at a distance produces.
A kind of terminal gesture identification method based on diamylose gram of the present invention compared to the prior art, there is the features such as reasonable in design, easy to use, the method cost is extremely low, development difficulty is minimum, use time without the need to gripping terminal, without the need to wearing accessory kit, be suitable for low cost terminals product use.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of schematic process flow diagram of the terminal gesture identification method based on diamylose gram.
Accompanying drawing 2 is a kind of signal wiring schematic diagram of the terminal gesture identification method based on diamylose gram.
Accompanying drawing 3 is a kind of two MIC placement location schematic diagram of the terminal gesture identification method based on diamylose gram.
Embodiment
Embodiment 1:
This gesture identification method step is as follows:
Step 1: two pieces of Mikes placed by terminal device, and the order of pre-defined gesture correspondence, two pieces of Mikes can be used as the main Mike of terminal and auxiliary Mike use at ordinary times;
Step 2: when user's paddling palm, two pieces of Mikes can judge the action of both hands by the sequencing and strong and weak change analyzing sound wave arrival;
Step 3: judge the strong and weak Changing Pattern of two pieces of Mike's sound waves, and be each action definition the corresponding command, definition gesture operation function;
Step 4: according to gesture operation function defined above, draw gesture motion;
Step 5: by the gesture motion coupling Pre-defined gesture drawn;
Step 6: last, completes gesture operation order input.
Embodiment 2:
This gesture identification method step is as follows:
Step 1: on terminal device, diagonal positions places two pieces of Mikes, and the order of pre-defined gesture correspondence, preset and arrive audio coding decoding chip place simulating signal threshold value, ignore the interference of general voice signal, improve the discrimination degree of gesture motion; Two pieces of Mikes can be used as the main Mike of terminal and auxiliary Mike use at ordinary times;
Step 2: when user's paddling palm, two pieces of Mikes (MIC) at oblique angle place can by analyzing sequencing that sound wave arrives and strong and weak change be judged from top to bottom, from top to bottom, from left to right, from right to left, both hands are simultaneously from the left and right sides to both sides paddling, the both hands many actions such as both sides paddling up and down from centre simultaneously to the left and right from centre simultaneously from paddling, both hands in the middle of upper and lower two side direction simultaneously of middle paddling, both hands;
Step 3: judge the strong and weak Changing Pattern of two pieces of Mike's sound waves, mated by sound wave pace of change, to the paddling definition of gesture different command of same action friction speed, definition gesture operation function;
Step 4: according to gesture operation function defined above, draw gesture motion, for the sound wave remotely transmitted, by default, gets rid of the impact of the sound wave that non-user gesture at a distance produces;
Step 5: by the gesture motion coupling Pre-defined gesture drawn;
Step 6: last, completes gesture operation order input.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to above-mentioned several embodiments.On the basis of disclosed embodiment, described those skilled in the art can the different technical characteristic of combination in any, thus realizes different technical schemes.
Claims (5)
1., based on a terminal gesture identification method for diamylose gram, it is characterized in that, this gesture identification method step is as follows:
Step 1: two pieces of Mikes placed by terminal device, and the order of pre-defined gesture correspondence, two pieces of Mikes can be used as the main Mike of terminal and auxiliary Mike use at ordinary times;
Step 2: when user's paddling palm, two pieces of Mikes can judge the action of both hands by the sequencing and strong and weak change analyzing sound wave arrival;
Step 3: judge the strong and weak Changing Pattern of two pieces of Mike's sound waves, and be each action definition the corresponding command, definition gesture operation function;
Step 4: according to gesture operation function defined above, draw gesture motion;
Step 5: by the gesture motion coupling Pre-defined gesture drawn;
Step 6: last, completes gesture operation order input.
2. a kind of terminal gesture identification method based on diamylose gram according to claim 1, it is characterized in that, in described step 1, two pieces of Mikes are arranged on the diagonal positions of terminal device.
3. a kind of terminal gesture identification method based on diamylose gram according to claim 1, it is characterized in that, in described step 1, preset and arrive audio coding decoding chip place simulating signal threshold value, ignore the interference of general voice signal, improve the discrimination degree of gesture motion.
4. a kind of terminal gesture identification method based on diamylose gram according to claim 1, be is characterized in that, in described step 3, mated by sound wave pace of change, to the paddling definition of gesture different command of same action friction speed.
5. a kind of terminal gesture identification method based on diamylose gram according to claim 1, is characterized in that, in described step 4, for the sound wave remotely transmitted, by default, gets rid of the impact of the sound wave that non-user gesture at a distance produces.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105446553A (en) * | 2015-12-30 | 2016-03-30 | 江西好帮手电子科技有限公司 | Noncontact gesture recognition car DVD operation method and system |
| CN106354266A (en) * | 2016-09-22 | 2017-01-25 | 北京小米移动软件有限公司 | Control method and device of terminal as well as terminal |
| CN106897018A (en) * | 2017-02-27 | 2017-06-27 | 努比亚技术有限公司 | Gesture operation method, device and mobile terminal |
| CN109313504A (en) * | 2016-06-17 | 2019-02-05 | 西铁城时计株式会社 | Detection device, message input device and monitor system |
| US11562741B2 (en) | 2019-09-30 | 2023-01-24 | Samsung Electronics Co., Ltd. | Electronic device and controlling method using non-speech audio signal in the electronic device |
| US11568888B2 (en) | 2017-12-28 | 2023-01-31 | Zte Corporation | Terminal control method, terminal and non-transitory computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105446553A (en) * | 2015-12-30 | 2016-03-30 | 江西好帮手电子科技有限公司 | Noncontact gesture recognition car DVD operation method and system |
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| CN109313504B (en) * | 2016-06-17 | 2023-01-24 | 西铁城时计株式会社 | Detection device, information input device and monitoring system |
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| US11562741B2 (en) | 2019-09-30 | 2023-01-24 | Samsung Electronics Co., Ltd. | Electronic device and controlling method using non-speech audio signal in the electronic device |
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