CN103986915B - Data transmission system and method for camera shooting equipment - Google Patents
Data transmission system and method for camera shooting equipment Download PDFInfo
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- CN103986915B CN103986915B CN201410236025.1A CN201410236025A CN103986915B CN 103986915 B CN103986915 B CN 103986915B CN 201410236025 A CN201410236025 A CN 201410236025A CN 103986915 B CN103986915 B CN 103986915B
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Abstract
The invention discloses a data transmission system and method for camera shooting equipment. The system comprises a mobile terminal and the camera shooting equipment. The mobile terminal sends data to the camera shooting equipment in the mode of making a sound and/or flickering, and the camera shooting equipment recognizes the sound and/or flickering information so as to receive the data sent by the mobile terminal. The mobile terminal comprises a first ambient sound collection unit, a first Fourier transformation unit, a candidate area setting unit, a communication frequency setting unit, a handshake information sending unit and a sound wave generation control unit. The camera shooting equipment comprises a second ambient sound collection unit, a second Fourier transformation unit, a signal demodulation unit, a communication frequency judgment unit and a data receiving unit. The mobile terminal can further comprise a flickering unit, a second handshake information sending unit and a light wave generation control unit. The camera shooting equipment can further comprise a locating unit and an information transformation unit. By means of the data transmission system and method for the camera shooting equipment, data transmission can be quickly and conveniently carried out, and convenience of the arrangement of a camera can be improved.
Description
Technical field
The invention belongs to data communication technology field, is related to a kind of data transmission system, more particularly to a kind of picture pick-up device
Data transmission system；Meanwhile, the invention further relates to a kind of picture pick-up device data transmission method.
Background technology
Picture pick-up device in family intelligent monitoring is progressively extensively applied at present, nowadays the configuration mode of picture pick-up device
All it is to connect to be configured using preparation terminal (computer, mobile phone or flat board) by Wireless/wired network or USB data line.
Requirement of the existing picture pick-up device set-up mode to peripheral equipment and picture pick-up device itself is higher, if desired for without circuit
By device or wireline interface, while also correspondingly need to arrange wireless network card or wired network interface on picture pick-up device, in certain journey
The cost of picture pick-up device is also increased on degree.
In view of this, nowadays in the urgent need to designing a kind of new picture pick-up device configuration mode, to overcome existing configuration side
The drawbacks described above of formula.
The content of the invention
The technical problem to be solved is：A kind of picture pick-up device data transmission system is provided, quickly can be carried out
Data transfer, improves the convenience that video camera is arranged.
Additionally, the present invention also provides a kind of picture pick-up device data transmission method, quickly can carry out data transmission, raising is taken the photograph
The convenience that camera is arranged.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of picture pick-up device data transmission system, the system include：Mobile terminal, picture pick-up device；
The mobile terminal sends data to picture pick-up device by way of sending sound or/and flash of light, and picture pick-up device is known
Other tut or/and flash message, so as to receive the data of mobile terminal transmission；
The mobile terminal includes first environment sound collection unit, the first Fourier transform unit, candidate region setting
There is control unit in unit, communication frequency setup unit, handshaking information transmitting element, sound wave, the picture pick-up device includes second
Ambient sound collecting unit, the second Fourier transform unit, signal demodulation unit, communication frequency judging unit, data receiver list
Unit；Or/also, the mobile terminal include flashing light unit, the second handshaking information transmitting element, light wave occur control unit；
The picture pick-up device includes location positioning unit, information conversion unit；
The first environment sound collection unit is to gather environmental sound signal；First Fourier transform unit is used
To signal Fourier transformation, to obtain spectrum distribution information；The candidate region setup unit to frequency spectrum search signal compared with
Weak region is used as candidate region；The communication frequency setup unit obtains big 2 or many of spacing distance from candidate region
Individual frequency is used as communication frequency；The handshaking information transmitting element is to send handshaking information from each communication frequency successively；Institute
Stating sound wave generation control unit needs the data transmitted to send to the sound wave that setting is sent by controlling acoustic wave generation unit；
The second environment sound collection unit is to gather environmental sound signal；Second Fourier transform unit is used
To signal Fourier transformation, to isolate the signal of different frequency；The signal demodulation unit is to the signal to each frequency
It is demodulated system；The communication frequency judging unit is compared with handshaking information to demodulation result, is determined if matching
The frequency is communication frequency；The data receipt unit to it is determined that after whole communication frequency, with these frequency reception data；
The flashing light unit is to send the signal for flickering；The second handshaking information transmitting element is single to control flash of light
Unit flickers, so as to transmit corresponding binary handshaking information；There is control unit to by controlling flash of light in the light wave
Flickering for unit sends the data for needing transmission；
The location positioning unit searches the letter that flickers to position the position of mobile terminal flashing light unit, i.e., in candidate point
Number point consistent with handshaking information；Described information conversion unit is to receive the signal that flickers of relevant position, and is switched to two
Binary information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
A kind of picture pick-up device data transmission system, the system include：Mobile terminal, picture pick-up device；
The mobile terminal sends data to picture pick-up device by way of sending sound or/and flash of light, and picture pick-up device is known
Other tut or/and flash message, so as to receive the data of mobile terminal transmission.
Used as a preferred embodiment of the present invention, the mobile terminal includes first environment sound collection unit, first Fu
In leaf transformation unit, candidate region setup unit, communication frequency setup unit, handshaking information transmitting element, sound wave occur control
Unit；
The first environment sound collection unit is to gather environmental sound signal；
First Fourier transform unit is to signal Fourier transformation, to obtain spectrum distribution information；
The candidate region setup unit is to search the weaker region of signal as candidate region in frequency spectrum；
The communication frequency setup unit obtains spacing distance big 2 or multiple frequencies from candidate region as communication
Frequency；
The handshaking information transmitting element is to send handshaking information from each communication frequency successively；
Control unit the sound wave of setting is sent sending needs by controlling acoustic wave generation unit in the sound wave there is
The data of transmission；
The picture pick-up device include second environment sound collection unit, the second Fourier transform unit, signal demodulation unit,
Communication frequency judging unit, data receipt unit；
The second environment sound collection unit is to gather environmental sound signal；
Second Fourier transform unit is to signal Fourier transformation, to isolate the signal of different frequency；
The signal demodulation unit is demodulated system to the signal to each frequency；
The communication frequency judging unit is compared with handshaking information to demodulation result, if matching determines the frequency
Rate is communication frequency；
The data receipt unit to it is determined that after whole communication frequency, with these frequency reception data.
Used as a preferred embodiment of the present invention, it is single that the mobile terminal includes that flashing light unit, the second handshaking information send
There is control unit in unit, light wave；The picture pick-up device includes location positioning unit, information conversion unit；
The flashing light unit is to send the signal for flickering；
The second handshaking information transmitting element is to control flickering for flashing light unit, corresponding binary so as to transmit
Handshaking information；
Control unit the data for needing transmission are sent by controlling flickering for flashing light unit in the light wave there is；
The location positioning unit searches the letter that flickers to position the position of mobile terminal flashing light unit, i.e., in candidate point
Number point consistent with handshaking information；
Described information conversion unit is to receive the signal that flickers of relevant position, and is switched to binary information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
A kind of picture pick-up device data transmission method, mobile terminal are set to shooting by way of sending sound or/and flash of light
Preparation send data, picture pick-up device identification tut or/and flash message, so as to receive the data of mobile terminal transmission；
The mobile terminal includes first environment sound collection unit, the first Fourier transform unit, candidate region setting
There is control unit in unit, communication frequency setup unit, handshaking information transmitting element, sound wave, the picture pick-up device includes second
Ambient sound collecting unit, the second Fourier transform unit, signal demodulation unit, communication frequency judging unit, data receiver list
Unit；Or/also, the mobile terminal include flashing light unit, the second handshaking information transmitting element, light wave occur control unit；
The picture pick-up device includes location positioning unit, information conversion unit；
By way of sending sound during transmission data, methods described includes the data transmission method：First environment sound
Sound collecting unit gathers environmental sound signal；First Fourier transform unit obtains spectrum distribution letter to signal Fourier transformation
Breath；Candidate region setup unit searches the weaker region of signal as candidate region in frequency spectrum；Communication frequency setup unit is from time
Spacing distance big 2 or multiple frequencies are obtained in favored area as communication frequency；Handshaking information transmitting element is successively from each
Communication frequency sends handshaking information；Control unit and the sound wave of setting sent sending by controlling acoustic wave generation unit in sound wave there is
Need the data of transmission；Second environment sound collection unit gathers environmental sound signal；Second Fourier transform unit is to signal
Fourier transformation, isolates the signal of different frequency；Signal demodulation unit is demodulated system to the signal of each frequency；Communication frequency
Rate judging unit demodulation result is compared with handshaking information, determines that the frequency is communication frequency if matching；Data receiver
Unit it is determined that after whole communication frequency, with these frequency reception data；
By way of flashing during transmission data, methods described includes the data transmission method：Flashing light unit is sent out
Go out the signal for flickering；Second handshaking information transmitting element control flashing light unit flickers, so as to transmit corresponding binary hold
Handss information；Control unit and the data for needing transmission sent by controlling flickering for flashing light unit in light wave there is；Location positioning unit
The position of positioning mobile terminal flashing light unit, i.e., search the signal point consistent with handshaking information that flicker in candidate point；Information turns
Change the signal that flickers that unit receives relevant position, and switched to binary information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
A kind of picture pick-up device data transmission method, methods described include：
Mobile terminal sends data to picture pick-up device by way of sending sound or/and flash of light；
Picture pick-up device recognizes tut or/and flash message, so as to receive the data of mobile terminal transmission.
Used as a preferred embodiment of the present invention, the mobile terminal includes first environment sound collection unit, first Fu
In leaf transformation unit, candidate region setup unit, communication frequency setup unit, handshaking information transmitting element, sound wave occur control
Unit, the picture pick-up device include second environment sound collection unit, the second Fourier transform unit, signal demodulation unit, logical
Letter frequency judging unit, data receipt unit；Data transmission method transmission data by way of sending sound；
Methods described is specifically included：First environment sound collection unit gathers environmental sound signal；First Fourier transformation
Unit obtains spectrum distribution information to signal Fourier transformation；Candidate region setup unit searches the weaker area of signal in frequency spectrum
Domain is used as candidate region；Communication frequency setup unit obtains 2 big or multiple frequency conducts of spacing distance from candidate region
Communication frequency；Handshaking information transmitting element sends handshaking information from each communication frequency successively；There is control unit and pass through in sound wave
Control acoustic wave generation unit sends the sound wave of setting needs the data transmitted to send；Second environment sound collection unit gathers ring
Border acoustical signal；Second Fourier transform unit isolates the signal of different frequency to signal Fourier transformation；Signal demodulation is single
Unit is demodulated system to the signal of each frequency；Communication frequency judging unit demodulation result is compared with handshaking information, if
Matching then determines that the frequency is communication frequency；Data receipt unit it is determined that after whole communication frequency, with these frequency reception numbers
According to.
Used as a preferred embodiment of the present invention, it is single that the mobile terminal includes that flashing light unit, the second handshaking information send
There is control unit in unit, light wave；The picture pick-up device includes location positioning unit, information conversion unit；The transmission side data
Method transmission data by way of flashing；
Methods described is specifically included：Flashing light unit sends the signal for flickering；The control flash of light of second handshaking information transmitting element
Unit flickers, so as to transmitting corresponding binary handshaking information；There is control unit by controlling flashing light unit in light wave
Flicker and send the data for needing transmission；The position of location positioning cell location mobile terminal flashing light unit, i.e., look in candidate point
Look for the point that the signal that flickers is consistent with handshaking information；Information conversion unit receives the signal that flickers of relevant position, and is switched to two
Binary information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
The beneficial effects of the present invention is：Picture pick-up device data transmission system proposed by the present invention, can quickly enter line number
According to transmission, the convenience that video camera is arranged is improved.
The configuration of the video camera in original family intelligent monitoring is all logical using configurating terminal (computer, mobile phone or flat board)
Cross Wireless/wired network or USB data line connection to be configured.This design is by web influence and limits very big, to using
The technical requirements of person are too high, while also being affected greatly (such as operating system version etc) by configurating terminal device
The design of present system is simply popular, does not use any data cable to connect, does not use network of relation to connect,
User need to be only home intelligent using the data communication by mobile phone between shirtsleeve operation and home cameras and configuration
The popularization of monitoring reduces application technology threshold.
Description of the drawings
Fig. 1 is the use schematic diagram of picture pick-up device data transmission system of the present invention.
Fig. 2 is the composition schematic diagram of picture pick-up device data transmission system of the present invention.
Fig. 3 is the sound sequence schematic diagram that 10 acoustical signals are modulated into.
Specific embodiment
Describe the preferred embodiments of the present invention below in conjunction with the accompanying drawings in detail.
Embodiment one
Fig. 1 is referred to, present invention is disclosed a kind of picture pick-up device data transmission system, the system includes：Intelligent mobile
Terminal 1, picture pick-up device；Picture pick-up device can pass through intelligent mobile terminal 1 send signaling (by send setting sound or/and
Flash of light) carry out automatically related setting.
The intelligent mobile terminal 1 is by sending sound (by speaker 12) or/and glistening (by flash lamp 11)
Mode sends data, picture pick-up device identification tut or/and flash message to picture pick-up device, so as to receive mobile terminal transmission
Data.
Sound ultimate principle is exactly that logarithm value signal is modulated.Such as binary modulated, respectively with 1KHz and 2KHz tables
Show 0 and 1, then 10 sound sequences being modulated into are as shown in Figure 3.Receiving terminal carries out Fourier transformation to the acoustical signal for gathering, and carries
The signal of 1KHz and 2KHz is taken, acoustical signal is demodulated as binary sequence with this.
And in a noisy environment, there is the environment noise for covering wider frequency band, the modulation of fixed frequency is likely to by ring
Border sound pollution, so as to produce the error code after demodulation, so as to the accuracy/efficiency for affecting to communicate.And the sound based on automatic frequency-conversion
Sound communication can then substantially reduce this impact, so as to bring the lifting of communication efficiency.
Fig. 2 is referred to, the intelligent mobile terminal 1 includes first environment sound collection unit, the first Fourier transformation list
There is control unit in unit, candidate region setup unit, communication frequency setup unit, handshaking information transmitting element, sound wave, described to take the photograph
As equipment includes that second environment sound collection unit, the second Fourier transform unit, signal demodulation unit, communication frequency judge list
Unit, data receipt unit.
The first environment sound collection unit is to gather environmental sound signal；First Fourier transform unit is used
To signal Fourier transformation, to obtain spectrum distribution information；The candidate region setup unit to frequency spectrum search signal compared with
Weak region is used as candidate region；The communication frequency setup unit obtains big 2 or many of spacing distance from candidate region
Individual frequency (can be set according to coded system) as communication frequency；The handshaking information transmitting element is to logical from each successively
Letter frequency sends handshaking information (such as 01010101)；There is control unit to by controlling acoustic wave generation unit in the sound wave
(such as speaker 12) sends the sound wave of setting needs the data transmitted to send.
The second environment sound collection unit is to gather environmental sound signal；Second Fourier transform unit is used
To signal Fourier transformation, to isolate the signal of different frequency；The signal demodulation unit is to the signal to each frequency
It is demodulated system；The communication frequency judging unit is compared with handshaking information to demodulation result, is determined if matching
The frequency is communication frequency；The data receipt unit to it is determined that after whole communication frequency, with these frequency reception data.
Additionally, present system can also send data using flash of light.The flash of light light irradiation video camera of smart machine, passes through
The change of brightness, can be to camera transmissions data.But it is limited to the frequency acquisition (25-30 frames) of common camera, transmission speed
It is limited, not as audio communication above.But it is uncomfortable in some scenes (such as distance is slightly remote, and strong noise environment or sound are isolated)
Audio communication is closed, and light communication is unaffected, then can adopt fiber optic communication.
1 and 0 can be represented using the flash lamp of the smart machine two states that flicker, the processor in video camera is by calculating
The change of the brightness of frame of video full figure, it is possible to receive this coding information, realizes communication with this.But light it is complicated and have compared with
The environment of high light line interference, the brightness flop for flickering deficient change to control frame of video full figure of the flash lamp of mobile device.This
The illumination variation technology of Shi Caiyong automatic light sources positioning can be with efficient communication.
Specifically, the mobile terminal includes that flashing light unit, the second handshaking information transmitting element, light wave occur control list
Unit；Correspondingly, the picture pick-up device includes location positioning unit, information conversion unit.
The flashing light unit (can be flash lamp) is to send the signal for flickering；The second handshaking information transmitting element
To control flickering for flashing light unit, so as to transmit corresponding binary handshaking information (such as 10101010)；The light wave
There is control unit the data for needing transmission are sent by controlling flickering for flashing light unit.
The location positioning unit searches the letter that flickers to position the position of mobile terminal flashing light unit, i.e., in candidate point
Number point consistent with handshaking information；Described information conversion unit is to receive the signal that flickers of relevant position, and is switched to two
Binary information.
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
The present invention also discloses a kind of picture pick-up device data transmission method, and mobile terminal is by sending sound or/and flash of light
Mode sends data, picture pick-up device identification tut or/and flash message to picture pick-up device, so as to receive mobile terminal transmission
Data.
By way of sending sound during transmission data, methods described includes the data transmission method：First environment sound
Sound collecting unit gathers environmental sound signal；First Fourier transform unit obtains spectrum distribution letter to signal Fourier transformation
Breath；Candidate region setup unit searches the weaker region of signal as candidate region in frequency spectrum；Communication frequency setup unit is from time
Spacing distance big 2 or multiple frequencies are obtained in favored area as communication frequency；Handshaking information transmitting element is successively from each
Communication frequency sends handshaking information；Control unit and the sound wave of setting sent sending by controlling acoustic wave generation unit in sound wave there is
Need the data of transmission；Second environment sound collection unit gathers environmental sound signal；Second Fourier transform unit is to signal
Fourier transformation, isolates the signal of different frequency；Signal demodulation unit is demodulated system to the signal of each frequency；Communication frequency
Rate judging unit demodulation result is compared with handshaking information, determines that the frequency is communication frequency if matching；Data receiver
Unit it is determined that after whole communication frequency, with these frequency reception data.
By way of flashing during transmission data, methods described includes the data transmission method：Flashing light unit is sent out
Go out the signal for flickering；Second handshaking information transmitting element control flashing light unit flickers, so as to transmit corresponding binary hold
Handss information；Control unit and the data for needing transmission sent by controlling flickering for flashing light unit in light wave there is；Location positioning unit
The position of positioning mobile terminal flashing light unit, i.e., search the signal point consistent with handshaking information that flicker in candidate point；Information turns
Change the signal that flickers that unit receives relevant position, and switched to binary information.
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
Embodiment two
In the present embodiment, intelligent mobile terminal only arranges picture pick-up device, the intelligent mobile by way of sending sound
Terminal 1 includes that first environment sound collection unit, the first Fourier transform unit, candidate region setup unit, communication frequency set
There is control unit in order unit, handshaking information transmitting element, sound wave, the picture pick-up device includes second environment sound collection list
Unit, the second Fourier transform unit, signal demodulation unit, communication frequency judging unit, data receipt unit.
The first environment sound collection unit is to gather environmental sound signal；First Fourier transform unit is used
To signal Fourier transformation, to obtain spectrum distribution information；The candidate region setup unit to frequency spectrum search signal compared with
Weak region is used as candidate region；The communication frequency setup unit obtains big 2 or many of spacing distance from candidate region
Individual frequency (can be set according to coded system) as communication frequency；The handshaking information transmitting element is to logical from each successively
Letter frequency sends handshaking information (such as 01010101)；There is control unit to by controlling acoustic wave generation unit in the sound wave
The sound wave for sending setting needs the data transmitted to send.
The second environment sound collection unit is to gather environmental sound signal；Second Fourier transform unit is used
To signal Fourier transformation, to isolate the signal of different frequency；The signal demodulation unit is to the signal to each frequency
It is demodulated system；The communication frequency judging unit is compared with handshaking information to demodulation result, is determined if matching
The frequency is communication frequency；The data receipt unit to it is determined that after whole communication frequency, with these frequency reception data.
Embodiment three
In the present embodiment, present system only sends data using flash of light.The flash of light light irradiation video camera of smart machine, leads to
The change of brightness is crossed, can be to camera transmissions data.But it is limited to the frequency acquisition (25-30 frames) of common camera, transmission speed
Degree is limited, not as audio communication above.But in some scenes (such as distance is slightly remote, and strong noise environment or sound are isolated) no
Suitable audio communication, and light communication is unaffected, then can adopt fiber optic communication.
1 and 0 can be represented using the flash lamp of the smart machine two states that flicker, the processor in video camera is by calculating
The change of the brightness of frame of video full figure, it is possible to receive this coding information, realizes communication with this.But light it is complicated and have compared with
The environment of high light line interference, the brightness flop for flickering deficient change to control frame of video full figure of the flash lamp of mobile device.This
The illumination variation technology of Shi Caiyong automatic light sources positioning can be with efficient communication.
Specifically, the mobile terminal includes that flashing light unit, the second handshaking information transmitting element, light wave occur control list
Unit；Correspondingly, the picture pick-up device includes location positioning unit, information conversion unit.
The flashing light unit is to send the signal for flickering；The second handshaking information transmitting element is single to control flash of light
Unit flickers, so as to transmit corresponding binary handshaking information (such as 10101010)；There is control unit and use in the light wave
To send the data for needing transmission by controlling flickering for flashing light unit.
The location positioning unit searches the letter that flickers to position the position of mobile terminal flashing light unit, i.e., in candidate point
Number point consistent with handshaking information；Described information conversion unit is to receive the signal that flickers of relevant position, and is switched to two
Binary information.
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P=p (0), p (1) ... } represent all
Maximum point coordinate set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, V
In value be all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot
P (i) is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, no
Plus "0" is chased after in v (i) then；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly mobile terminal
Flash lamp position.
In sum, picture pick-up device data transmission system proposed by the present invention, quickly can carry out data transmission, and raising is taken the photograph
The convenience that camera is arranged.
The design of present system is simply popular, does not use any data cable to connect, does not use network of relation to connect,
User need to be only home intelligent using the data communication by mobile phone between shirtsleeve operation and home cameras and configuration
The popularization of monitoring reduces application technology threshold.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein is possible, real for those skilled in the art
The replacement and equivalent various parts for applying example is known.It should be appreciated by the person skilled in the art that without departing from the present invention
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and part are realizing.In the case of without departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
Other deformations of row and change.
Claims (4)
1. a kind of picture pick-up device data transmission system, it is characterised in that the system includes：Mobile terminal, picture pick-up device；
The mobile terminal sends data to picture pick-up device by way of sending sound or/and flash of light, in picture pick-up device identification
Sound or/and flash message are stated, so as to receive the data of mobile terminal transmission；
The mobile terminal include first environment sound collection unit, the first Fourier transform unit, candidate region setup unit,
There is control unit in communication frequency setup unit, handshaking information transmitting element, sound wave, the picture pick-up device includes second environment sound
Sound collecting unit, the second Fourier transform unit, signal demodulation unit, communication frequency judging unit, data receipt unit；Or
Person/also, the mobile terminal include that flashing light unit, the second handshaking information transmitting element, light wave occur control unit；It is described to take the photograph
As equipment includes location positioning unit, information conversion unit；
The first environment sound collection unit is to gather environmental sound signal；First Fourier transform unit is to right
Signal Fourier transformation, obtains spectrum distribution information；The candidate region setup unit is weaker to search signal in frequency spectrum
Region is used as candidate region；The communication frequency setup unit obtains 2 big or multiple frequencies of spacing distance from candidate region
Rate is used as communication frequency；The handshaking information transmitting element is to send handshaking information from each communication frequency successively；The sound
There is control unit the sound wave of setting is sent by controlling sound wave transmitting element in ripple, so as to send the data for needing transmission；
The second environment sound collection unit is to gather environmental sound signal；Second Fourier transform unit is to right
Signal Fourier transformation, isolates the signal of different frequency；The signal demodulation unit is carried out to the signal to each frequency
Demodulation；The communication frequency judging unit is compared with handshaking information to demodulation result, if matching determines the frequency
Rate is communication frequency；The data receipt unit to it is determined that after whole communication frequency, with these frequency reception data；
The flashing light unit is to send the signal for flickering；The second handshaking information transmitting element is to control flashing light unit
Flicker, so as to transmit corresponding binary handshaking information；There is control unit to control the bright of flashing light unit in the light wave
Go out and send the data for needing transmission；
The location positioning unit search to position the position of mobile terminal flashing light unit, i.e., in candidate point flicker signal with
The consistent point of handshaking information；Described information conversion unit is to receive the signal that flickers of relevant position, and is switched to binary system
Information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel (gray-scale maps), record P={ p (0), p (1) ... } represent it is all greatly
Value point coordinates set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, in V
Value is all " 1 "；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot p (i)
It is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, otherwise in v
Plus "0" is chased after in (i)；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly the sudden strain of a muscle of mobile terminal
Light lamp position is put.
2. a kind of picture pick-up device data transmission system, it is characterised in that the system includes：Mobile terminal, picture pick-up device；
The mobile terminal sends data to picture pick-up device by way of flashing, and picture pick-up device recognizes above-mentioned flash of light letter
Breath, so as to receive the data of mobile terminal transmission；
The mobile terminal includes that flashing light unit, the second handshaking information transmitting element, light wave occur control unit；The shooting sets
It is standby to include location positioning unit, information conversion unit；
The flashing light unit is to send the signal for flickering；
The second handshaking information transmitting element to control flickering for flashing light unit, so as to transmit corresponding binary shake hands
Information；
Control unit the data for needing transmission are sent by controlling flickering for flashing light unit in the light wave there is；
The location positioning unit search to position the position of mobile terminal flashing light unit, i.e., in candidate point flicker signal with
The consistent point of handshaking information；
Described information conversion unit is to receive the signal that flickers of relevant position, and is switched to binary information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel, record P=p (0), p (1) ... } represent all maximum point coordinates
Set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, the value in V is all
“1”；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot p (i)
It is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, otherwise in v
Plus "0" is chased after in (i)；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly the sudden strain of a muscle of mobile terminal
Light lamp position is put.
3. a kind of picture pick-up device data transmission method, it is characterised in that mobile terminal is by way of sending sound or/and flash of light
Data, picture pick-up device identification tut or/and flash message are sent to picture pick-up device, so as to receive the number of mobile terminal transmission
According to；
The mobile terminal include first environment sound collection unit, the first Fourier transform unit, candidate region setup unit,
There is control unit in communication frequency setup unit, handshaking information transmitting element, sound wave, the picture pick-up device includes second environment sound
Sound collecting unit, the second Fourier transform unit, signal demodulation unit, communication frequency judging unit, data receipt unit；Or
Person/also, the mobile terminal include that flashing light unit, the second handshaking information transmitting element, light wave occur control unit；It is described to take the photograph
As equipment includes location positioning unit, information conversion unit；
By way of sending sound during transmission data, methods described includes the data transmission method：First environment sound is adopted
Collection unit collection environmental sound signal；First Fourier transform unit obtains spectrum distribution information to signal Fourier transformation；Wait
Favored area setup unit searches the weaker region of signal as candidate region in frequency spectrum；Communication frequency setup unit is from candidate region
Middle spacing distance big 2 or the multiple frequencies of obtaining is used as communication frequency；Handshaking information transmitting element is successively from each communication frequency
Rate sends handshaking information；There is the sound wave that control unit sends setting by controlling sound wave transmitting element in sound wave, need so as to send
Data to be transmitted；Second environment sound collection unit gathers environmental sound signal；Second Fourier transform unit is to signal Fu
In leaf transformation, isolate the signal of different frequency；Signal demodulation unit is demodulated system to the signal of each frequency；Communication frequency
Judging unit demodulation result is compared with handshaking information, determines that the frequency is communication frequency if matching；Data receiver list
Unit it is determined that after whole communication frequency, with these frequency reception data；
By way of flashing during transmission data, methods described includes the data transmission method：Flashing light unit sends bright
The signal for going out；Second handshaking information transmitting element controls flickering for flashing light unit, so as to transmit corresponding binary letter of shaking hands
Breath；Control unit and the data for needing transmission sent by controlling flickering for flashing light unit in light wave there is；Location positioning cell location
The position of mobile terminal flashing light unit, i.e., search the signal point consistent with handshaking information that flicker in candidate point；Information conversion is single
Unit receives the signal that flickers of relevant position, and is switched to binary information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel, record P=p (0), p (1) ... } represent all maximum point coordinates
Set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, the value in V is all
“1”；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot p (i)
It is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, otherwise in v
Plus "0" is chased after in (i)；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly the sudden strain of a muscle of mobile terminal
Light lamp position is put.
4. a kind of picture pick-up device data transmission method, it is characterised in that methods described includes：
Mobile terminal sends data to picture pick-up device by way of flashing；
Picture pick-up device recognizes above-mentioned flash message, so as to receive the data of mobile terminal transmission；
The mobile terminal includes that flashing light unit, the second handshaking information transmitting element, light wave occur control unit；The shooting sets
It is standby to include location positioning unit, information conversion unit；Data transmission method transmission data by way of flashing；
Methods described is specifically included：Flashing light unit sends the signal for flickering；Second handshaking information transmitting element controls flashing light unit
Flicker, so as to transmit corresponding binary handshaking information；There is control unit by controlling flickering for flashing light unit in light wave
Sending needs the data of transmission；The position of location positioning cell location mobile terminal flashing light unit, i.e., search in candidate point bright
The signal that the goes out point consistent with handshaking information；Information conversion unit receives the signal that flickers of relevant position, and is switched to binary system
Information；
The location positioning unit is automatically positioned the flash lamp flow process of mobile device to be included：
The luminance channel of-acquisition video n-th frame, is designated as f (n)；
- ask for all local maximums of luminance channel, record P=p (0), p (1) ... } represent all maximum point coordinates
Set；V={ v (0), v (1) ... } represents the set of the value of corresponding point in P, because being maximum, the value in V is all
“1”；
- all local maximum P (n+1) are asked in the (n+1)th frame f (n+1), then travel through all of point in P：Such as fruit dot p (i)
It is consistent with certain point in P (n+1) set, and coordinate is in setting neighborhood, then add " 1 " in its respective value v (i) string, otherwise in v
Plus "0" is chased after in (i)；
- in P (n+1), the point without corresponding relation is added into P with P, and its value " 1 " is added into set V；
All bit strings value v (i) in-inspection V, if consistent with bit string of shaking hands, corresponding point p (i) are exactly the sudden strain of a muscle of mobile terminal
Light lamp position is put.
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| CN201410236025.1A CN103986915B (en) | 2014-05-30 | 2014-05-30 | Data transmission system and method for camera shooting equipment |
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| CN201410236025.1A CN103986915B (en) | 2014-05-30 | 2014-05-30 | Data transmission system and method for camera shooting equipment |
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| CN103986915B true CN103986915B (en) | 2017-05-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202257891U (en) * | 2011-10-25 | 2012-05-30 | 武汉钢铁(集团)公司 | Wireless monitoring identification detection defense-deploying and monitoring system |
| CN103092162A (en) * | 2012-12-28 | 2013-05-08 | 方科峰 | Intelligent housing system authenticated by displacement circuit and system management method |
| CN103760849A (en) * | 2013-12-31 | 2014-04-30 | 大唐电信（天津）技术服务有限公司 | Home monitoring and controlling system based on wireless sensor network |
| CN103793261A (en) * | 2013-11-15 | 2014-05-14 | 深圳光启创新技术有限公司 | Methods and devices for sending and receiving instruction information |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7573231B2 (en) * | 2003-12-23 | 2009-08-11 | Uniden Corporation | Recharging terminal |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202257891U (en) * | 2011-10-25 | 2012-05-30 | 武汉钢铁(集团)公司 | Wireless monitoring identification detection defense-deploying and monitoring system |
| CN103092162A (en) * | 2012-12-28 | 2013-05-08 | 方科峰 | Intelligent housing system authenticated by displacement circuit and system management method |
| CN103793261A (en) * | 2013-11-15 | 2014-05-14 | 深圳光启创新技术有限公司 | Methods and devices for sending and receiving instruction information |
| CN103760849A (en) * | 2013-12-31 | 2014-04-30 | 大唐电信（天津）技术服务有限公司 | Home monitoring and controlling system based on wireless sensor network |
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