CN108376433A - A kind of Intelligent door control system and its control method based on vena metacarpea identification - Google Patents
A kind of Intelligent door control system and its control method based on vena metacarpea identification Download PDFInfo
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- CN108376433A CN108376433A CN201810107708.5A CN201810107708A CN108376433A CN 108376433 A CN108376433 A CN 108376433A CN 201810107708 A CN201810107708 A CN 201810107708A CN 108376433 A CN108376433 A CN 108376433A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
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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
- G06V40/14—Vascular patterns
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Abstract
The invention discloses a kind of Intelligent door control systems based on vena metacarpea identification, including vena metacarpea image collection module, controller and door lock control module, the vena metacarpea image information that vena metacarpea image collection module is used to set the vena metacarpea image information opened the door and acquisition is opened the door, and vena metacarpea image information is transferred to controller；Controller is used to receive and pre-process the vena metacarpea image information and enabling vena metacarpea image information that setting is opened the door；Pretreated setting enabling vena metacarpea image information is stored；Pretreated enabling vena metacarpea image information and the enabling vena metacarpea image information of setting are carried out analysis and identification and obtain analysis and identification as a result, sending out control instruction according to analysis and identification result controls door lock control module；Door lock control module opens intelligent door for controlling door lock assembly.Intelligent door control system uses biological identification technology, improves the safe class of door, controls door lock assembly by identifying vena metacarpea image, fast response time, recognition accuracy are high.
Description
Technical field
The present invention relates to intelligent door technical fields, and in particular to it is a kind of based on vena metacarpea identification Intelligent door control system and its
Control method.
Background technology
With the raising that people's security protection is realized, the requirement of the safety of people on the door is also higher and higher.Currently, people use
A fan antitheft door is installed additional to improve safety, and door lock still uses traditional spring lock, IC card lock, digital cipher lock etc., this
Although a little safeties that can improve door to a certain extent, defect are, it is not only of high cost to install double door, but also installs
Journey is complicated；Traditional lock with reproducibility due to keeping its safety not high.For this purpose, people begin to use human body biological characteristics
To carry out the safety door of identity security identification.Although the existing application currently, fingerprint is locked a door, and its safety can be improved, it is lacked
Be trapped in：Existing Fingerprint Lock is generally additionally provided with a set of key unlocking device simultaneously, can force to unlock by key, it is made to refer to
Line identification function is subject to certain restrictions, and is existed when finger surface scratches, abrasion, contaminated, dry or too in addition, fingerprint is unlocked
It is wet, cognitive disorders are be easy to cause, stability is poor.
Invention content
For the defects in the prior art, one of the objects of the present invention is to provide a kind of intelligence based on vena metacarpea identification
Door control system improves the safe class of door using biological identification technology, and door lock assembly is controlled by identifying vena metacarpea image,
Fast response time, recognition accuracy are high.
In a first aspect, a kind of Intelligent door control system based on vena metacarpea identification provided by the invention, including vena metacarpea image
Acquisition module, controller and door lock control module, the vena metacarpea image collection module are used to set the vena metacarpea image to open the door
The vena metacarpea image information that information and acquisition are opened the door, and the vena metacarpea image information is transferred to controller；The controller
For receiving and pre-processing the vena metacarpea image information and enabling vena metacarpea image information that setting is opened the door；To described pretreated
Setting enabling vena metacarpea image information is stored；The enabling of pretreated enabling vena metacarpea image information and setting is slapped quiet
Arteries and veins image information carries out analysis and identification and obtains analysis and identification as a result, sending out control instruction according to analysis and identification result controls door lock control
Molding block；The door lock control module opens intelligent door for controlling door lock assembly.
Optionally, vena metacarpea image collection module includes near-infrared light source and infrared camera harvester, described close red
Outer light source and infrared camera harvester are connect with controller respectively.
Optionally, the wavelength of near-infrared light source is 755nm-827nm.
Optionally, near-infrared light source uses wavelength for the mixing light source of 795nm and 815nm.
Optionally, controller includes data preprocessing module, and the data preprocessing module is used for quiet to the setting enabling palm
Arteries and veins image information and enabling vena metacarpea image information are pre-processed.
Optionally, the data preprocessing module includes image gray-scale transformation module, image binaryzation processing module, ROI
Extraction module and characteristic extracting module, described image greyscale transformation module are used to adjust the vena metacarpea image and enabling that setting is opened the door
Vena metacarpea image in each pixel gray value, obtain gray level image；Described image binary processing module is used for gray scale
Image carries out binary conversion treatment, obtains binary image；The ROI extraction modules are used to extract palm side from binary image
Edge contour line, the gap positioned between index finger and the gap and the third finger and little finger of toe of middle interphalangeal is key point, by key point line
Coordinate system is established as positioning datum point, interception fixed size rectangle carries out image enhancement as ROI, to ROI image；The spy
Extraction module is levied to be used to carry out feature extraction to the image after image enhancement.
Optionally, controller further includes analysis and identification module, and the enabling palm that the analysis and identification module is used to acquire is quiet
Arteries and veins image and the vena metacarpea image of setting carry out comparison identification, obtain analysis and identification result.
Optionally, the system also includes display module, the display module is used to show the display identification shape of intelligent door
State and open/close states.
Second aspect, the control method of the Intelligent door control system provided by the invention based on vena metacarpea identification, specifically includes
Following steps：
The vena metacarpea image information that storage setting is opened the door；
Obtain enabling vena metacarpea image information；
The enabling vena metacarpea image information is pre-processed；
Pretreated enabling vena metacarpea image information and the setting enabling vena metacarpea image information of storage are analyzed
Identification, obtains recognition result；
Control instruction control door lock control module work, the control of door lock control module whether are sent out according to the recognition result
Door lock assembly opens intelligent door.
Optionally, include to the method for the enabling vena metacarpea image preprocessing：
The gray value for adjusting each pixel in enabling vena metacarpea image, obtains gray level image；
Binary conversion treatment is carried out to the gray level image, obtains binary image；
Volar edge contour line is extracted from binary image, positions the gap of index finger and middle interphalangeal and nameless and small
Gap between finger is key point, establishes coordinate system using key point line as positioning datum point, intercepts fixed size rectangle conduct
ROI carries out image enhancement to ROI image；
Feature extraction is carried out to the image after image enhancement.
Beneficial effects of the present invention：
The Intelligent door control system based on vena metacarpea identification of the embodiment of the present invention, by the enabling vena metacarpea image of input and in advance
The setting enabling vena metacarpea image first stored is compared, judge enabling vena metacarpea image whether the enabling vena metacarpea figure with setting
Seem no matching, if it does, then control door lock control module work, door lock control module control door lock assembly and open intelligence
Door.Intelligent door control system based on vena metacarpea identification improves the safe class of door using biological identification technology, is slapped by identifying
Vein image controls door lock assembly, and fast response time, recognition accuracy be high.
The control method of the Intelligent door control system based on vena metacarpea identification of the embodiment of the present invention, the enabling palm of input is quiet
Arteries and veins image compared with pre-stored setting enabling vena metacarpea image, judges whether enabling vena metacarpea image is opened with setting
Whether door vena metacarpea image matches, if it does, then control door lock control module work, door lock control module control door lock assembly
Open intelligent door.Using biological identification technology, the safe class of door is improved, door lock dress is controlled by identifying vena metacarpea image
It sets, fast response time, recognition accuracy are high.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 shows a kind of functional block diagram of Intelligent door control system identified based on vena metacarpea provided by the invention；
Fig. 2 shows the functional block diagrams of controller in Fig. 1；
Fig. 3 shows a kind of flow of the control method of Intelligent door control system identified based on vena metacarpea provided by the invention
Figure；
Fig. 4 shows the flow chart of the step 3 in Fig. 3.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be intended only as example, and the protection of the present invention cannot be limited with this
Range.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
Fig. 1 shows the Intelligent door control system identified based on vena metacarpea that first embodiment of the invention is provided, including the palm
Vein image acquisition module 1, controller 2 and door lock control module 3, the vena metacarpea image collection module 1 are opened the door for setting
Vena metacarpea image information and the vena metacarpea image information opened the door of acquisition, and the vena metacarpea image information is transferred to control
Device；The controller 2 is used to receive and pre-process the vena metacarpea image information and enabling vena metacarpea image information that setting is opened the door；It is right
The pretreated setting enabling vena metacarpea image information is stored；Pretreated enabling vena metacarpea image information with
The enabling vena metacarpea image information of setting carries out analysis and identification and obtains analysis and identification as a result, sending out control according to analysis and identification result
Instruction control door lock control module；The door lock control module 3 opens intelligent door for controlling door lock assembly.User is quiet by slapping
The vena metacarpea image that the setting of arteries and veins image collection module is opened the door, controller carry out after being pre-processed to setting enabling vena metacarpea image
When user needs to open intelligent door, enabling vena metacarpea figure is inputted by vena metacarpea image collection module after setting for storage
Picture, vena metacarpea image collection module will obtain enabling vena metacarpea image input by user and by image transmittings to controller, control
Device clamshell doors vena metacarpea image is pre-processed, then by pretreated enabling vena metacarpea image information and sets enabling vena metacarpea
Image information carries out comparison match cognization, judges whether enabling vena metacarpea image matches with setting enabling vena metacarpea image, obtains
Analysis and identification according to whether the recognition result sends out control instruction control door lock control module as a result, open door lock assembly.Such as
Fruit analysis and identification result is yes, and controller then controls the work of door lock control module, and door lock control module controls door lock assembly and opens
Intelligent door；If analysis and identification result is no, controller if, does not send out control instruction.
The Intelligent door control system based on vena metacarpea identification of the embodiment of the present invention, by the enabling vena metacarpea image of input and in advance
The setting enabling vena metacarpea image first stored is compared, judge enabling vena metacarpea image whether the enabling vena metacarpea figure with setting
Seem no matching, if it does, then control door lock control module work, door lock control module control door lock assembly and open intelligence
Door.Intelligent door control system based on vena metacarpea identification improves the safe class of door using biological identification technology, is slapped by identifying
Vein image controls door lock assembly, and fast response time, recognition accuracy be high.
Further, vena metacarpea image collection module 1 includes near-infrared light source 11 and infrared camera harvester 12, institute
It states near-infrared light source 11 and infrared camera harvester 12 is connect with controller 2 respectively.According to skeleton and musculature
The characteristics of, the near infrared light of particular range of wavelengths has biological tissue strong penetration capacity, and therefore, what is used in the present embodiment is close
The wavelength of infrared light supply is chosen to be 755nm-827nm, and wavelength is used to transmit palm acquisition for the near-infrared light source of 755nm-827nm
Vena metacarpea image, transmission effects are good, and the noise of the vena metacarpea image of acquisition is less, and vena metacarpea image collection module obtains vena metacarpea
Image is apparent, improves the quality for obtaining vena metacarpea image.
Further, near-infrared light source uses wavelength for the mixing light source of 795nm and 815nm.Due to the deoxidation in human body
There are different optical absorption characteristics in the biological tissues such as hemoglobin, hemoglobin, moisture and fat under same near infrared band,
And as wavelength change shows different absorption characteristics.Therefore, near-infrared light source uses wavelength for 795nm and 815nm
Mixing light source, mixing light source can have the characteristics that the different hand of different optical acquisition contents according to different biological tissue's media
Imaging in biological tissues information is slapped, data basis can be not only established for prominent vena metacarpea region, but also can further live body outstanding
Characteristic improves antifalsification and the safety of vena metacarpea identification.
Further, as shown in Fig. 2, controller 2 includes data preprocessing module 21, the data preprocessing module 21 is used
It is pre-processed in setting enabling vena metacarpea image information and enabling vena metacarpea image information.The data preprocessing module 21
Including image gray-scale transformation module 211, image binaryzation processing module 212, ROI extraction modules 213 and characteristic extracting module
214, described image greyscale transformation module 211 is used to adjust every in the vena metacarpea image of setting enabling and the vena metacarpea image of enabling
The gray value of a pixel, obtains gray level image；Described image binary processing module 212 is used to gray level image carrying out binaryzation
Processing, obtains binary image；The ROI extraction modules 213 are used to extract volar edge contour line from binary image, fixed
Gap between position index finger and the gap and the third finger and little finger of toe of middle interphalangeal is key point, using key point line as positioning datum
Point establishes coordinate system, and interception fixed size rectangle carries out image enhancement as ROI, to ROI image；The characteristic extracting module
214 to the image after image enhancement for carrying out feature extraction.
Further, controller further includes analysis and identification module 22, and what the analysis and identification module 22 was used to acquire opens
Door vena metacarpea image and the vena metacarpea image of setting carry out comparison identification, obtain analysis and identification result.Analysis and identification module will adopt
The enabling vena metacarpea image of collection and the vena metacarpea image of setting carry out comparison matching, judge enabling vena metacarpea image whether with setting
Enabling vena metacarpea image whether match, if it does, controller then control door lock control module work, door lock control module control
Door lock assembly processed opens intelligent door.
Further, the system also includes display module 4, the display module 4 is used to show that the display of intelligent door to be known
Other state and open/close states.When obtaining vena metacarpea image, controller control display module is shown vena metacarpea image collection module
Identification state；While controller sends out control instruction control door lock assembly and opens intelligent door, control instruction control is also sent out
Display module shows the open/close states of door.For example, indicating processing progress during display vena metacarpea image obtains or with the mode that picture is justified
It allows people to know the state or progress of identification, the current state of intelligent door is shown on display module, if closed, show that lock is locked
Closed state, when vena metacarpea image recognition successful match, intelligent door is opened, and the state that lock is opened is shown on display module, intuitively
Show the open/close states of intelligent door.
Second aspect, as shown in Figure 3,4, the present invention also provides a kind of controls of the Intelligent door control system based on vena metacarpea identification
Method processed, is suitable for the above-mentioned Intelligent door control system based on vena metacarpea identification, and control method specifically includes following steps：
S1：The vena metacarpea image information that storage setting is opened the door.
Specifically, vena metacarpea image collection module obtains the vena metacarpea image information that setting is opened the door, and controller opens setting
The vena metacarpea image information of door carries out image preprocessing, is stored after image preprocessing.It is pre- to set the vena metacarpea image to open the door
Processing step includes：The gray value of each pixel, obtains gray level image in adjustment setting enabling vena metacarpea image；To the gray scale
Image carries out binary conversion treatment, obtains binary image；From binary image extract volar edge contour line, positioning index finger and
Gap between the gap and the third finger and little finger of toe of middle interphalangeal is key point, and key point line is established as positioning datum point and is sat
Mark system, interception fixed size rectangle carry out image enhancement as ROI, to ROI image；Feature is carried out to the image after image enhancement
Extraction.
S2：Obtain enabling vena metacarpea image information.
S3：The enabling vena metacarpea image information is pre-processed.
The method of enabling vena metacarpea image preprocessing specifically includes：
S31：The gray value for adjusting each pixel in enabling vena metacarpea image, obtains gray level image；
S32：Binary conversion treatment is carried out to the gray level image, obtains binary image；
S33：Volar edge contour line is extracted from binary image, positions gap and the third finger of index finger and middle interphalangeal
Gap between little finger of toe is key point, establishes coordinate system using key point line as positioning datum point, intercepts fixed size rectangle
As ROI, image enhancement is carried out to ROI image；
S34：Feature extraction is carried out to the image after image enhancement.
S4：Pretreated enabling vena metacarpea image information and the setting enabling vena metacarpea image information of storage are divided
Analysis identification, obtains recognition result；
S5：Control instruction control door lock control module work, door lock control module whether are sent out according to the recognition result
It controls door lock assembly and opens intelligent door.If recognition result is yes, controller if, sends out control instruction control door lock control module
Work, door lock control module control door lock assembly and open intelligent door.If recognition result is no, controller if, does not send out control and refers to
It enables.
The control method of Intelligent door control system provided by the invention based on vena metacarpea identification, by the enabling vena metacarpea of input
Image is compared with pre-stored setting enabling vena metacarpea image, judge enabling vena metacarpea image whether the enabling with setting
Whether vena metacarpea image matches, if it does, then control door lock control module work, door lock control module control door lock assembly is opened
Open intelligent door.Using biological identification technology, the safe class of door is improved, door lock assembly is controlled by identifying vena metacarpea image,
Fast response time, recognition accuracy are high.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (10)
1. a kind of Intelligent door control system based on vena metacarpea identification, which is characterized in that including vena metacarpea image collection module, control
Device and door lock control module, the vena metacarpea image collection module is used to set the vena metacarpea image information opened the door and acquisition is opened the door
Vena metacarpea image information, and the vena metacarpea image information is transferred to controller；The controller is for receiving and locating in advance
The vena metacarpea image information and enabling vena metacarpea image information that reason setting is opened the door；To the pretreated setting enabling vena metacarpea
Image information is stored；Pretreated enabling vena metacarpea image information and the enabling vena metacarpea image information of setting are carried out
Analysis and identification obtains analysis and identification as a result, sending out control instruction according to analysis and identification result controls door lock control module；The door
Lock control module opens intelligent door for controlling door lock assembly.
2. the Intelligent door control system as described in claim 1 based on vena metacarpea identification, which is characterized in that the vena metacarpea image
Acquisition module includes near-infrared light source and infrared camera harvester, the near-infrared light source and infrared camera harvester
It is connect respectively with controller.
3. the Intelligent door control system as claimed in claim 2 based on vena metacarpea identification, which is characterized in that the near-infrared light source
Wavelength be 755nm-827nm.
4. the Intelligent door control system as claimed in claim 2 based on vena metacarpea identification, which is characterized in that the near-infrared light source
Use wavelength for the mixing light source of 795nm and 815nm.
5. the Intelligent door control system as described in claim 1 based on vena metacarpea identification, which is characterized in that the controller includes
Data preprocessing module, the data preprocessing module are used for setting enabling vena metacarpea image information and enabling vena metacarpea image
Information is pre-processed.
6. the Intelligent door control system as claimed in claim 5 based on vena metacarpea identification, which is characterized in that the data prediction
Module includes image gray-scale transformation module, image binaryzation processing module, ROI extraction modules and characteristic extracting module, the figure
It is used to adjust the gray scale of each pixel in the vena metacarpea image of setting enabling and the vena metacarpea image of enabling as greyscale transformation module
Value, obtains gray level image；Described image binary processing module is used to gray level image carrying out binary conversion treatment, obtains binaryzation
Image；The ROI extraction modules are used to extract volar edge contour line from binary image, position the seam of index finger and middle interphalangeal
Gap between gap and the third finger and little finger of toe is key point, and coordinate system is established using key point line as positioning datum point, is intercepted
Fixed size rectangle carries out image enhancement as ROI, to ROI image；After the characteristic extracting module is used for image enhancement
Image carries out feature extraction.
7. the Intelligent door control system as claimed in claim 6 based on vena metacarpea identification, which is characterized in that the controller also wraps
Include analysis and identification module, the vena metacarpea image of the enabling vena metacarpea image and setting that the analysis and identification module is used to acquire into
Row comparison identification, obtains analysis and identification result.
8. the Intelligent door control system based on vena metacarpea identification as described in one of claim 1-7, which is characterized in that the system
Further include display module, the display module is used to show the display identification state and open/close states of intelligent door.
9. a kind of control method of the Intelligent door control system based on vena metacarpea identification, which is characterized in that specifically include following steps：
The vena metacarpea image information that storage setting is opened the door；
Obtain enabling vena metacarpea image information；
The enabling vena metacarpea image information is pre-processed；
Pretreated enabling vena metacarpea image information and the setting enabling vena metacarpea image information of storage are subjected to analysis and identification,
Obtain recognition result；
Control instruction control door lock control module work whether is sent out according to the recognition result, door lock control module controls door lock
Device opens intelligent door.
10. the control method of the Intelligent door control system as claimed in claim 9 based on vena metacarpea identification, which is characterized in that right
The method of the enabling vena metacarpea image preprocessing includes：
The gray value for adjusting each pixel in enabling vena metacarpea image, obtains gray level image；
Binary conversion treatment is carried out to the gray level image, obtains binary image；
Volar edge contour line is extracted from binary image, is positioned between index finger and the gap and the third finger and little finger of toe of middle interphalangeal
Gap be key point, establish coordinate system using key point line as positioning datum point, intercept fixed size rectangle as ROI,
Image enhancement is carried out to ROI image；
Feature extraction is carried out to the image after image enhancement.
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| CN201810107708.5A CN108376433A (en) | 2018-02-02 | 2018-02-02 | A kind of Intelligent door control system and its control method based on vena metacarpea identification |
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| CN201810107708.5A CN108376433A (en) | 2018-02-02 | 2018-02-02 | A kind of Intelligent door control system and its control method based on vena metacarpea identification |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349779A (en) * | 2018-11-16 | 2019-02-19 | 荆门它山之石电子科技有限公司 | A kind of school bag and its burglary-resisting system |
| CN109458058A (en) * | 2018-10-14 | 2019-03-12 | 炬众钛合（天津）科技发展有限公司 | A kind of intelligent door based on Internet of Things control |
| CN113593092A (en) * | 2021-08-04 | 2021-11-02 | 联想新视界(南昌)人工智能工研院有限公司 | Palm vein lock based on 5G edge calculation technology and control method thereof |
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Application publication date: 20180807 |