CN106791569A - The building conversational system of time can be forecast to reach - Google Patents
- ️Wed May 31 2017
CN106791569A - The building conversational system of time can be forecast to reach - Google Patents
The building conversational system of time can be forecast to reach Download PDFInfo
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- CN106791569A CN106791569A CN201611255241.6A CN201611255241A CN106791569A CN 106791569 A CN106791569 A CN 106791569A CN 201611255241 A CN201611255241 A CN 201611255241A CN 106791569 A CN106791569 A CN 106791569A Authority
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- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000036544 posture Effects 0.000 claims description 35
- 238000012360 testing method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000000205 computational method Methods 0.000 claims description 6
- 210000000689 upper leg Anatomy 0.000 claims description 3
- 241000282376 Panthera tigris Species 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 description 4
- 230000001815 facial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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Abstract
The invention discloses a kind of building conversational system for forecasting to reach the time, including：At least one first cameras；Second camera；Doorway main frame；Multiple indoor units；Face recognition module；Server, being set up in server has database, the image information that database stores the mug shot of each resident family, the image information that name, the photo of multiple resident families difference walking posture its corresponding speed of travel, the affiliated room number of resident family, the distance of unit and each entrance of cell, the first camera where the affiliated room of resident family shoot and second camera shoot, also includes portrait comparing module, speed measuring module and prediction module in server.Present invention automatic identification resident family in monitoring range, estimates that resident family reaches the time of cell gate, and then the actual speed of travel according to resident family second estimates that resident family reaches the time of cell gate, in advance with embrace tiger reach the time, greatly facilitate resident family.
Description
Technical field
The present invention relates to building talkback field.It is more particularly related to a kind of building for forecasting to reach the time Intercom system.
Background technology
Building talkback is a door bell and button system, i.e., in realizing visitor, resident family and estate management in multilayer or skyscraper The heart is communicated with each other, carries out information interchange and realizes the management system controlled the safe Vomitory of cell, and visitor can be by building Lower unit main frame in front of the door easily calls resident family and talks with it, and calls estate management in the case of without band key Personnel, assist opening unit door lock, and resident family indoors can also control unit door keying, resident family can operate indoor unit Carry out calling property management personnel, doorway main frame this can also at any time receive resident family's alarm signal and be transmitted to host notification cell on duty Guard, system not only increases high residential building safeguarding work, and greatly facilitates resident family, and it is many unnecessary to reduce It is upper downstairs bother, link up more convenient and quicker it is safe and reliable.
Current building talkback typically only has visual and communication function, it is impossible to predict the time that resident family reaches, for example always Child people etc. needs someone to go downstairs when meet, it is impossible to by so as to can not prepare in advance when providing the arrival of resident family.Cause , it is necessary to design a kind of building conversational system for forecasting to reach the time, it can both obtain and use upper convenience well for this, Simultaneously, additionally it is possible to keep its good security.
The content of the invention
It is an object of the present invention to provide a kind of building conversational system for forecasting to reach the time, by recognition of face mould Face information in the image information that block is obtained from the first camera, and resident family is therefrom identified by portrait comparing module, and lead to The speed of travel that portrait comparing module judges resident family according to the walking postures of resident family is crossed, and when matching unsuccessful, can be by testing the speed Module is tested the speed, so as to determine the speed of travel of resident family；After determining the speed of travel of resident family, when calculating the walking of resident family Between, determine the arrival time of resident family, and the first information of forecasting is sent to the indoor unit where resident family, when reach for the first time Between forecast；Then, after identifying resident family in the figure information that the real-time image information of second camera is obtained, mould is predicted Block calculates resident family and occurs in second camera the time for occurring from the first camera, and according to the affiliated room of resident family in database Between where unit and each entrance of cell distance, calculate the actual speed of travel of resident family, determine the arrival time of resident family, and to living Indoor unit where family sends the second information of forecasting, and the forecast of time is reached for the second time.The present invention is in monitoring range Automatic identification resident family, estimates that resident family reaches the time of cell gate, and then the actual speed of travel according to resident family is estimated for the second time Family reach cell gate time, in advance with embrace tiger reach the time, greatly facilitate resident family.
In order to realize these purposes of the invention and further advantage, there is provided a kind of building for forecasting to reach the time Intercom system, including：
At least one first cameras, it is equal with the entry number of cell, and corresponds, and first camera sets Put in the porch of cell；
Second camera, it is arranged on cell gate outside；
Doorway main frame, it is arranged on cell gate outside, and the doorway main frame and the second camera are connected, the doorway Main frame is used for the unlatching of control unit door；
Multiple indoor units, it is equal with institute unit building inner room quantity, and corresponds, and the indoor unit is arranged on In room, the indoor unit includes display module and voice module, and the indoor unit is connected with the doorway host communication；
Face recognition module, it is connected with first camera and the second camera circuit；
Server, itself and first camera, the second camera, the face recognition module and the interior are divided Machine is connected, and being set up in the server has database, and the database stores mug shot, name, multiple resident families of each resident family The photo of different walking postures its corresponding speed of travel, the affiliated room number of resident family, unit and cell where the affiliated room of resident family The image information that the image information and second camera that the distance of each entrance, the first camera shoot shoot, in the server Also include portrait comparing module, speed measuring module and prediction module；
Wherein, the face recognition module is respectively from first camera and the image for sending of second camera Face information is recognized in information, and will recognize that the face information for obtaining and figure information send the portrait comparing module, institute to State in face information that portrait comparing module will be obtained by the real-time image information of first camera and the database Resident family mug shot compare after, it is determined whether be resident family；
If it is determined that being resident family, start the prediction module, the prediction module obtains the institute of resident family from the database Cell entry where unit and resident family apart from S where category room1, resident family name and affiliated room number, the portrait compares Module is by the walking appearance of the resident family in the walking posture of resident family in the figure information of first camera and the database State photo is compared；If a certain walking posture photo for resident family is compared, with the row corresponding to the walking posture photo Walk default speed of travel V of the speed as resident family1If comparison is unsuccessful, starts the speed measuring module and tested the speed, with what is measured Speed as resident family default speed of travel V1；
Determine V1Afterwards, the prediction module is according to S1And V1Calculate the travel time T of resident family1, so as to predict that resident family reaches it The first predicted time t on unit doorway where affiliated suite1, and send the first prediction to the indoor unit in the affiliated suite of resident family Information, first information of forecasting includes the figure information of the resident family that the name of resident family, face recognition module identification are obtained And t1, the display module of the indoor unit in the affiliated suite of resident family shows the people of the resident family that the face recognition module identification is obtained As information and t1, voice module play resident family name and t1；When the portrait comparing module is from by the second camera After identifying resident family in the figure information that real-time image information is obtained, the prediction module calculates resident family from first camera The middle time T for occurring occurring in second camera2, the monitoring distance of the second camera is S2, then according to S1、S2And T2 Calculate the actual speed of travel V of resident family2, so as to predict that resident family reaches second predicted time on its unit doorway where affiliated suite t2, and the second information of forecasting is sent to the indoor unit in the affiliated suite of resident family, second information of forecasting includes the surname of resident family The figure information and t of the resident family that name, face recognition module identification are obtained2, indoor unit in the affiliated suite of resident family it is aobvious Show that module shows the figure information and t of the resident family that the face recognition module identification is obtained2, voice module play resident family name And t2。
Preferably, in the described building conversational system for forecasting reach the time, the portrait comparing module will be described The walking posture photo of the resident family in the figure information of the first camera in the walking posture of resident family and the database is carried out The method of comparison is：
Step one, the walking posture photo of the resident family in the database is divided into head, arm, upper body, thigh and small Five regions of leg；
Step 2, determine resident family after, by the figure information of first camera it is subregional with the database in The walking posture photo of the resident family is compared through row；
Step 3, when the figure information of first camera it is mutually overlap with the maximum region of the walking posture photo of the resident family When conjunction number m reaches 4 or more than 4 for the first time, then compare successfully, the walking postures contrast of resident family is with the m resident family of coincidence number Walking posture photo, while terminate compare；If comparison is unsuccessful, start speed measuring module.
Preferably, in the described building conversational system for forecasting reach the time, the method that the speed measuring module tests the speed For：
Step 1), using two-dimensional calibrations, set up two-dimensional coordinate system on the picture captured by first camera, will scheme As coordinate transformation is actual coordinate；
Step 2), to be separated by two photos of n frames be the photo for testing the speed for selection, and finds out two photographs in the two-dimensional coordinate system The distance of face and actual range Δ S is converted into piece；
Step 3), according to the frame speed V of first camera3It is determined that being separated by the shooting interval time of two photos of n frames Δ T, calculates initial predicted speed Δ V；
Step 4), repeat step 2) to 3) m2It is secondary, take m2The secondary average speed for testing the speed, as predetermined speed.
Preferably, in the described building conversational system for forecasting reach the time, the doorway main frame and the interior Extension set communication connection.
Preferably, in the described building conversational system for forecasting reach the time, the second camera is shot Image information the indoor unit is sent to by the doorway main frame, resident family can be by indoor unit to the doorway main frame Door open command is assigned with the switch of control unit door.
Preferably, in the described building conversational system for forecasting reach the time, T1Computational methods be：
T1=L1/V1。
Preferably, in the described building conversational system for forecasting reach the time, T2Computational methods be：
The present invention at least includes following beneficial effect：
The time that reaches before and after building conversational system of the invention twice to resident family is predicted, for the first time by prediction The speed of travel of resident family calculates arrival time first time, and second actual speed of travel by calculating resident family is calculated and arrived for the second time Up to the time, so as to ensure to reach resident family the accuracy of time prediction.
Face in the image information that building conversational system of the invention is obtained by face recognition module from the first camera Information, and resident family is therefrom identified by portrait comparing module, and sentenced according to the walking postures of resident family by portrait comparing module The speed of travel of disconnected resident family；And when matching unsuccessful, can be tested the speed by speed measuring module, so as to the walking to determine resident family is fast Degree；So as to judge the arrival time of resident family by the speed of travel, first time forecast is carried out.
Building conversational system of the invention is recognized in the figure information by the real-time image information acquisition of second camera After going out resident family, prediction module calculates resident family and occurs in second camera the time for occurring from the first camera, and according to number According to the distance of unit and each entrance of cell where the affiliated room of Ku Zhong resident families, the actual speed of travel of resident family is calculated, determine resident family Arrival time, and to where resident family indoor unit send the second information of forecasting, the forecast of time is reached for the second time.
Further advantage of the invention, target and feature embody part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of building conversational system of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", D score, "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are based on accompanying drawing institute The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, are not the dress for indicating or implying meaning Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention System.
As shown in figure 1, the present invention provides a kind of building conversational system for forecasting to reach the time, it is characterised in that including：
At least one first cameras, it is equal with the entry number of cell, and corresponds, and first camera sets Put in the porch of cell；First camera faces cell entry setting, monitors the subregion in cell entry and cell, Not only include the figure information of the people for entering cell in the image information that first camera shoots, also leave certain region for surveying Fast module is tested the speed；
Second camera, it is arranged on cell gate outside；
Doorway main frame, it is arranged on cell gate outside, and the doorway main frame and the second camera are connected, the doorway Main frame is used for the unlatching of control unit door；Doorway main frame is connected with the indoor unit at each family, the transmission of each family indoor unit , all by the control of main frame, its circuit board is installed using vibration damping, and carries out damp-proof treatment for signal and electric lock control signal etc., Antivibration moisture protection is extremely strong, and with night light, good appearance, generous；
Multiple indoor units, it is equal with institute unit building inner room quantity, and corresponds, and the indoor unit is arranged on In room, the indoor unit includes display module and voice module, and the indoor unit is connected with the doorway host communication； Indoor unit is a kind of to speaking machine, and intercommunication is typically all carried out with doorway main frame, and building conversational system is then matched somebody with somebody with doorway main frame Synthesizing a set of internal telephone system can be with the phone contact of each user in completion system, and using more facilitating, it is divided into visually Indoor set, non-visual indoor set.With electric lock control function and function for monitoring, it is typically mounted at the doorway of user's family, it is main Resident family is facilitated to be talked with visitor's intercommunication；
Face recognition module, it is connected with first camera and the second camera circuit；Face recognition technology It is the face feature based on people, to the facial image or video flowing that are input into, first determines whether that it whether there is face, if there is Face, then further provide the positional information of the position, size and each major facial organ of each face, and according to these letters Breath, further extracts the identity characteristic contained in each face；Face recognition module can be taken the photograph from the first camera and second As recognizing face information in the image information of head, and it is sent to server；Known using WT IDH-C6748 types face in this programme Other module, it uses embedded human face recognizer, the low work(designed based on Texas Instrument's (TI) TMS320C6748 processors Consumption high-performance special module, can meet the face recognition algorithms requirement of macrooperation amount, complete detection, extraction, the ratio of face characteristic Pair and judge, series of algorithms and the flow such as facial feature, video superposition and face collection；
Server, itself and first camera, the second camera, the face recognition module and the interior are divided Machine is connected, and being set up in the server has database, and the database stores mug shot, name, multiple resident families of each resident family The photo of different walking postures its corresponding speed of travel, the affiliated room number of resident family, unit and cell where the affiliated room of resident family The image information that the image information and second camera that the distance of each entrance, the first camera shoot shoot, in the server Also include portrait comparing module, speed measuring module and prediction module；
Wherein, the face recognition module is respectively from first camera and the image for sending of second camera Face information is recognized in information, and will recognize that the face information for obtaining and figure information send the portrait comparing module, institute to State in face information that portrait comparing module will be obtained by the real-time image information of first camera and the database Resident family mug shot compare after, it is determined whether be resident family；
If it is determined that being resident family, start the prediction module, the prediction module obtains the institute of resident family from the database Cell entry where unit and resident family apart from S where category room1, resident family name and affiliated room number, the portrait compares Module is by the walking appearance of the resident family in the walking posture of resident family in the figure information of first camera and the database State photo is compared；If a certain walking posture photo for resident family is compared, with the row corresponding to the walking posture photo Walk default speed of travel V of the speed as resident family1If comparison is unsuccessful, starts the speed measuring module and tested the speed, with what is measured Speed as resident family default speed of travel V1；
Determine V1Afterwards, the prediction module is according to S1And V1Calculate the travel time T of resident family1, so as to predict that resident family reaches it The first predicted time t on unit doorway where affiliated suite1, and send the first prediction to the indoor unit in the affiliated suite of resident family Information, first information of forecasting includes the figure information of the resident family that the name of resident family, face recognition module identification are obtained And t1, the display module of the indoor unit in the affiliated suite of resident family shows the people of the resident family that the face recognition module identification is obtained As information and t1, voice module play resident family name and t1；When the portrait comparing module is from by the second camera After identifying resident family in the figure information that real-time image information is obtained, the prediction module calculates resident family from first camera The middle time T for occurring occurring in second camera2, the monitoring distance of the second camera is S2, then according to S1、S2And T2 Calculate the actual speed of travel V of resident family2, so as to predict that resident family reaches second predicted time on its unit doorway where affiliated suite t2, and the second information of forecasting is sent to the indoor unit in the affiliated suite of resident family, second information of forecasting includes the surname of resident family The figure information and t of the resident family that name, face recognition module identification are obtained2, indoor unit in the affiliated suite of resident family it is aobvious Show that module shows the figure information and t of the resident family that the face recognition module identification is obtained2, voice module play resident family name And t2。
Face in the image information that the building conversational system of this programme is obtained by face recognition module from the first camera Information, and resident family is therefrom identified by portrait comparing module, and by prediction module and portrait contrast module according to resident family Walking postures judge the speed of travel of resident family, and when matching unsuccessful, can be tested the speed by speed measuring module, so as to determine The speed of travel at family；After determining the speed of travel of resident family, the travel time of resident family is calculated, determine the arrival time of resident family, and to Indoor unit where resident family sends the first information of forecasting, reach for the first time the forecast of time；Then, by the second shooting After identifying resident family in the figure information that the real-time image information of head is obtained, prediction module calculates resident family and goes out from the first camera Now to the time occurred in second camera, and according to where the affiliated room of resident family in database unit and each entrance of cell away from From, the actual speed of travel of resident family is calculated, determine the arrival time of resident family, and it is pre- to send second to the indoor unit where resident family Measurement information, is reached the forecast of time for the second time.
In another technical scheme, in the described building conversational system for forecasting reach the time, the portrait is compared Module is by the walking appearance of the resident family in the walking posture of resident family in the figure information of first camera and the database The method that state photo is compared is：
Step one, the walking posture photo of the resident family in the database is divided into head, arm, upper body, thigh and small Five regions of leg；
Step 2, determine resident family after, by the figure information of first camera it is subregional with the database in The walking posture photo of the resident family is compared through row；
Step 3, when the figure information of first camera it is mutually overlap with the maximum region of the walking posture photo of the resident family When conjunction number m reaches 4 or more than 4 for the first time, then compare successfully, the walking postures contrast of resident family is with the m resident family of coincidence number Walking posture photo, while terminate compare；If comparison is unsuccessful, start speed measuring module.
In another technical scheme, in the described building conversational system for forecasting reach the time, the speed measuring module The method for testing the speed is：
Step 1), fixed due to the picture for monitoring, it is possible to using two-dimensional coordinate to the monitored picture of the first camera Demarcated, two-dimensional coordinate system is set up on the picture captured by first camera, image coordinate is converted into actual seat Mark；
Step 2), to be separated by two photos of n frames be the photo for testing the speed for selection, and finds out two photographs in the two-dimensional coordinate system The distance of face and actual range Δ S is converted into piece；
Step 3), according to the frame speed V of first camera3It is determined that being separated by the shooting interval time of two photos of n frames Δ T, calculates initial predicted speed Δ V；
Step 4), repeat step 2) to 3) m2It is secondary, take m2The secondary average speed for testing the speed, as predetermined speed, take repeatedly survey The method for measuring average value, can avoid the result mistake that single measurement mistake is caused, and eliminate shadow of the contingency to predetermined speed Ring.
In another technical scheme, in the described building conversational system for forecasting reach the time, the doorway main frame It is connected with indoor unit communication；Doorway main frame is connected with the indoor unit at each family, the transmission letter of each family indoor unit Number and electric lock control signal etc. all by the control of main frame, indoor unit is a kind of to speaking machine, typically all with doorway master Machine carries out intercommunication, and building conversational system then can be with each use in completion system with a set of internal telephone system of synthesis with doorway main frame The phone contact at family, using more facilitating, it is divided into visual indoor set, non-visual indoor set.With electric lock control function and prison Visual function, is typically mounted at the doorway of user's family, mainly facilitates resident family to be talked with visitor's intercommunication.
In another technical scheme, in the described building conversational system for forecasting reach the time, second shooting The image information that head is shot is sent to the indoor unit by the doorway main frame, and resident family can be by indoor unit to institute State doorway main frame and assign door open command with the switch of control unit door；The internal structure of the door lock of cell gate is main by electromagnetic mechanism Composition, as long as the electric lock key that user is pressed on extension set can just make magnet coil be powered, so that electromagnetic mechanism drivening rod is acted, The opening at gate can be just controlled, so as to realize that door open command is assigned with control unit door by indoor unit to doorway main frame by resident family Switch.
In another technical scheme, in the described building conversational system for forecasting reach the time, T1Computational methods For：
T1=L1/V1。
In another technical scheme, in the described building conversational system for forecasting reach the time, T2Computational methods For：
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited In specific details and shown here as the legend with description.
Claims (7)
1. a kind of building conversational system for forecasting to reach the time, it is characterised in that including：
At least one first cameras, it is equal with the entry number of cell, and corresponds, and first camera is arranged on The porch of cell；
Second camera, it is arranged on cell gate outside；
Doorway main frame, it is arranged on cell gate outside, and the doorway main frame and the second camera are connected, the doorway main frame For the unlatching of control unit door；
Multiple indoor units, it is equal with institute unit building inner room quantity, and corresponds, and the indoor unit is arranged on room Interior, the indoor unit includes display module and voice module, and the indoor unit is connected with the doorway host communication；
Face recognition module, it is connected with first camera and the second camera circuit；
Server, it connects with first camera, the second camera, the face recognition module and the indoor unit Connect, being set up in the server has database, the database stores mug shot, name, multiple resident families difference of each resident family The photo of walking posture its corresponding speed of travel, the affiliated room number of resident family, unit and cell where the affiliated room of resident family respectively enter The image information that the image information and second camera that the distance of mouth, the first camera shoot shoot, also wraps in the server Include portrait comparing module, speed measuring module and prediction module；
Wherein, the face recognition module is respectively from first camera and the image information for sending of second camera Middle identification face information, and will recognize that the face information for obtaining and figure information send the portrait comparing module, the people to In the face information that will be obtained by the real-time image information of first camera as comparing module and the database firmly After the mug shot at family is compared, it is determined whether be resident family；
If it is determined that being resident family, start the prediction module, the prediction module obtains the affiliated room of the resident family from the database Between where cell entry where unit and resident family apart from S1, resident family name and affiliated room number, the portrait comparing module The walking posture of the resident family in the walking posture of resident family in the figure information of first camera and the database is shone Piece is compared；If comparing a certain walking posture photo for resident family, with the walking speed corresponding to the walking posture photo Spend as the default speed of travel V of resident family1If comparison is unsuccessful, starts the speed measuring module and tested the speed, with the speed for measuring As the default speed of travel V of resident family1；
Determine V1Afterwards, the prediction module is according to S1And V1Calculate the travel time T of resident family1, so as to predict that resident family is reached belonging to it The first predicted time t on unit doorway where suite1, and send the first prediction letter to the indoor unit in the affiliated suite of resident family Breath, the figure information of the resident family that the name of first information of forecasting including resident family, face recognition module identification are obtained and t1, the display module of the indoor unit in the affiliated suite of resident family shows the portrait of the resident family that the face recognition module identification is obtained Information and t1, voice module play resident family name and t1；When the portrait comparing module from the reality by the second camera When image information acquisition figure information in identify resident family after, the prediction module calculates resident family from first camera There is in second camera the time T for occurring2, the monitoring distance of the second camera is S2, then according to S1、S2And T2Meter Calculate the actual speed of travel V of resident family2, so as to predict that resident family reaches the second predicted time t on its unit doorway where affiliated suite2, And send the second information of forecasting to the indoor unit in the affiliated suite of resident family, the name of second information of forecasting including resident family, The figure information and t of the resident family that the face recognition module identification is obtained2, the display mould of the indoor unit in the affiliated suite of resident family Block shows the figure information and t of the resident family that the face recognition module identification is obtained2, voice module play resident family name and t2。
2. can forecast to reach the building conversational system of time as claimed in claim 1, it is characterised in that the portrait compares mould Block is by the walking posture of the resident family in the walking posture of resident family in the figure information of first camera and the database The method that photo is compared is：
Step one, the walking posture photo of the resident family in the database is divided into head, arm, upper body, thigh and shank five Individual region；
Step 2, determine resident family after, by the figure information of first camera it is subregional with the database in should live The walking posture photo at family is compared through row；
Step 3, coincide number when the maximum region of the walking posture photo of the figure information and the resident family of first camera When m reaches 4 or more than 4 for the first time, then compare successfully, the walking postures contrast of resident family is with the m row of the resident family of coincidence number Attitude photo is walked, while terminating to compare；If comparison is unsuccessful, start speed measuring module.
3. can forecast to reach the building conversational system of time as claimed in claim 2, it is characterised in that the speed measuring module is surveyed Speed method be：
Step 1), using two-dimensional calibrations, set up two-dimensional coordinate system on the picture captured by first camera, image is sat Mark is converted into actual coordinate；
Step 2), to be separated by two photos of n frames be the photo for testing the speed for selection, and in the two-dimensional coordinate system finds out two photos The distance of face is simultaneously converted into actual range Δ S；
Step 3), according to the frame speed V of first camera3It is determined that being separated by the shooting interval time Δ T of two photos of n frames, count Calculate initial predicted speed Δ V；
Step 4), repeat step 2) to 3) m2It is secondary, take m2The secondary average speed for testing the speed, as predetermined speed.
4. can forecast to reach the building conversational system of time as claimed in claim 1, it is characterised in that the doorway main frame with The indoor unit communication connection.
5. can forecast to reach the building conversational system of time as claimed in claim 4, it is characterised in that the second camera The image information for being shot is sent to the indoor unit by the doorway main frame, and resident family can be by indoor unit to described Doorway main frame assigns door open command with the switch of control unit door.
6. can forecast to reach the building conversational system of time as claimed in claim 1, it is characterised in that T1Computational methods be：
T1=L1/V1。
7. can forecast to reach the building conversational system of time as claimed in claim 1, it is characterised in that T2Computational methods be：
T2=L2T1/L1-L2。
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