CN109671101A - Action trail acquisition device and intelligent terminal - Google Patents
Action trail acquisition device and intelligent terminal Download PDFInfo
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- CN109671101A CN109671101A CN201811455414.8A CN201811455414A CN109671101A CN 109671101 A CN109671101 A CN 109671101A CN 201811455414 A CN201811455414 A CN 201811455414A CN 109671101 A CN109671101 A CN 109671101A
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- target object
- action trail
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/292—Multi-camera tracking
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
Abstract
The present invention provides a kind of action trail acquisition device and intelligent terminals, are related to technical field of information processing.Behavior track acquisition device includes: identification module, inquires target object for receiving acquisition instructions, and according to acquisition instructions；Matching module, for carrying out shared matching to the mobile device for being formed by target area according to target object, to obtain the camera of mobile device and/or the control of the network port；Acquisition module, for carrying out positioning acquisition to target object, to obtain acquisition data；Analysis module, for according to acquisition data to draw action trail image.The present invention passes through the design of matching module and acquisition module, the acquisition of target object is carried out in a manner of making that multi-angle, more collection points can be used, it effectively prevents not carrying acquisition mistake caused by smart machine or network cause target object, and then effectively raises the reliability to target object acquisition.
Description
Technical field
The present invention relates to technical field of information processing, whole in particular to a kind of action trail acquisition device and intelligence
End.
Background technique
Currently, mainly passing through global positioning system (Global Positioning System, GPS) positioning and channel radio
Communication network positions two kinds of location technologies, the track point data of acquisition target, and then determines the motion track of the object.Wherein,
Latitude and longitude information and its corresponding time information in track point data collected comprising each tracing point.
However, due to some, for example, target object does not carry smart machine or network cause etc., so that can not adopt
Collect enough track point datas, therefore, it is impossible to the motion track of target object be accurately determined, so as to cause it is determined
The reduction of the reliability of motion track.
Summary of the invention
The present invention provides a kind of action trail acquisition device and intelligent terminals, it is intended to improve existing action trail acquisition
In the process, the lower technical problem of reliability.
In a first aspect, providing a kind of action trail acquisition device, comprising:
Identification module inquires target object for receiving acquisition instructions, and according to the acquisition instructions；
Matching module, for carrying out shared to the mobile device for being formed by target area according to the target object
Match, to obtain the camera of the mobile device and/or the control of the network port；
Acquisition module, for carrying out positioning acquisition to the target object, to obtain acquisition data, the positioning acquisition institute
The acquisition mode used acquires for shooting, collecting and/or network address；
Analysis module, for according to the acquisition data to draw action trail image.
Further, in preferred embodiments of the present invention, the identification module includes:
First acquisition unit, for obtaining the signature identification carried in the acquisition instructions, the signature identification is multiple
The combination of characteristic parameter, the characteristic parameter include height parameter, face-image parameter, fingerprint parameter, audio frequency parameter and clothing
It wears with parameter；
Recognition unit, for the acquisition according to the second acquisition unit as a result, knowing to the pedestrian in specified region
It does not match, to inquire the target object.
Further, in preferred embodiments of the present invention, the matching module includes:
Matching unit, for obtaining the current coordinate point of the target object, according to current coordinate point generation
Target area obtains the port address of the mobile device in the target area, and according to the port address and the shifting
Dynamic equipment carries out communication connection；
Shared cell, for forming a local area network according to the port address, the local area network is used for the mobile device
The transmission of the data of the upper camera and/or the network port.
Further, in preferred embodiments of the present invention, the acquisition module:
First acquisition unit, for control in the mobile device camera by the first prefixed time interval continue into
Row shooting, to obtain image data；
Second acquisition unit, it is lasting by the second prefixed time interval for controlling the network port in the mobile device
The transmission of current address is carried out, to obtain coordinate data.
Further, in preferred embodiments of the present invention, the analysis module includes:
Judging unit, for judging in the picture in described image data with the presence or absence of the target object；
Second acquisition unit, for there are the targets when the judgment module determines the picture in described image data
When object, the corresponding coordinate data is obtained；
Drawing unit is used for according to the coordinate data with track drafting image, to the coordinate points on the trace image
Building label is carried out, and according to label result to carry out behavioural analysis.
Further, in preferred embodiments of the present invention, the action trail acquisition device further include:
Protection module, for when the action trail acquisition device is cracked, obtaining the finger print information for cracking people, and root
It cracks people to described according to the finger print information and is tracked.
Further, in preferred embodiments of the present invention, the action trail acquisition device further include:
Update module, for obtaining the current coordinate point of the target object in real time, and according to the current coordinate point control
Make the shared matching that the matching module is re-started the mobile device by third prefixed time interval.
Further, in preferred embodiments of the present invention, the action trail acquisition device further include:
Removing module, for when between the current coordinate point and the mobile device that the update module is got
When distance is greater than distance threshold, disconnect with the shared matching of the mobile device, and delete adopting of storing in the mobile device
Collect data.
The beneficial effects of the present invention are: by the design of the identification module, can effectively according to the acquisition instructions with
The target object is inquired, the subsequent track to the target object is facilitated and acquires, improves the action trail acquisition dress
The accuracy for setting acquisition, by the design of the matching module and the acquisition module, so that can be using multi-angle, more acquisitions
The mode of point carries out the acquisition of the target object, effectively prevents not carrying smart machine or network due to the target object
Acquisition mistake caused by reason, and then effectively raise the reliability to target object acquisition.
Second aspect provides a kind of intelligent terminal, comprising: ontology and above-mentioned action trail acquisition device, the behavior
Track acquisition device is set in the ontology.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram for the action trail acquisition device that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the action trail acquisition device that second embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the action trail acquisition device that third embodiment of the invention provides；
Essential element symbol description:
Specific embodiment
For the ease of more fully understanding the present invention, the present invention is carried out further below in conjunction with related embodiment attached drawing
It explains.The embodiment of the present invention is given in attached drawing, but the present invention is not limited in above-mentioned preferred embodiment.On the contrary, providing
The purpose of these embodiments be in order to make disclosure of the invention face more sufficiently.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Embodiment 1, referring to Fig. 1, first embodiment of the invention provides a kind of action trail acquisition device 100, comprising:
Identification module 10 inquires target object for receiving acquisition instructions, and according to the acquisition instructions, wherein described
Acquisition instructions can be transmitted by the way of the instruction of voice signal, wireless signal or message, it is preferred that the acquisition instructions
It can also be transmitted by the way of phonetic matrix or picture format, and obtain the feature in the acquisition instructions in the module
Mark, to inquire the target object.
Matching module 20, for carrying out shared to the mobile device for being formed by target area according to the target object
Match, to obtain the camera of the mobile device and/or the control of the network port, wherein the target area is with described
The current coordinate point of target object is that origin is formed by region, it is preferred that the target area can be according to user demand
Any range shape, and by obtaining the camera of the mobile device and/or the control of the network port in the module, with side
Continue after an action of the bowels and the track of the target object is acquired.
Acquisition module 30, for carrying out positioning acquisition to the target object, to obtain acquisition data, the positioning acquisition
Used acquisition mode is that shooting, collecting and/or network address acquire, wherein the shooting, collecting is used to pass through the camera
Image taking acquisition is carried out, coordinate of the network address acquisition for carrying out the target object by sending coordinate position is fixed
Position, and then effectively facilitate the drafting of the subsequent action trail for the target object.
Analysis module 40, for according to the acquisition data to draw action trail image, wherein by obtaining in the module
It takes in the acquisition data coordinate point data to mark coordinate points, and the coordinate points after label is attached with track drafting figure
Picture carries out building label by inquiring the architecture information on each mark point coordinate periphery respectively, and to each mark point, to obtain
The action trail image, wherein building is marked by using title or the mode of image to carry out correspondence markings, the building mark
Note is for the convenient behavioural analysis to target object described in the trace image.
Update module 50, for obtaining the current coordinate point of the target object in real time, and according to the current coordinate point
Control the shared matching that the matching module 20 is re-started the mobile device by third prefixed time interval, wherein pass through
The design of the update module 50 so as to effectively be updated to the position of the target object, and is updated to the movement
The control of equipment, and then effectively raise the reliability of the action trail acquisition device 100.
Specifically, the identification module 10 includes:
First acquisition unit 11, for obtaining the signature identification carried in the acquisition instructions, the signature identification is more
The combination of a characteristic parameter, the characteristic parameter include height parameter, face-image parameter, fingerprint parameter, audio frequency parameter and clothing
Object is worn with parameter；
Recognition unit 12, for according to the second acquisition unit 42 acquisition as a result, to the pedestrian in specified region into
Row identification matching, to inquire the target object, wherein camera by obtaining roadside in the specified region shoot image with
Carry out identification matching.
In the present embodiment, the matching module 20 includes:
Matching unit 21 generates institute according to the current coordinate point for obtaining the current coordinate point of the target object
State target area, obtain the port address of the mobile device in the target area, and according to the port address with it is described
Mobile device carries out communication connection；
Shared cell 22, for forming a local area network according to the port address, the local area network is set for the movement
The transmission of the data of the standby camera and/or the network port.
In addition, the acquisition module 30:
First acquisition unit 31, it is lasting by the first prefixed time interval for controlling the camera in the mobile device
It is shot, to obtain image data；
Second acquisition unit 32 is held for controlling in the mobile device network port by the second prefixed time interval
The continuous transmission for carrying out current address, to obtain coordinate data.
Further, in preferred embodiments of the present invention, the analysis module 40 includes:
Judging unit 41, for judging in the picture in described image data with the presence or absence of the target object；
Second acquisition unit 42, for there are the mesh when the judgment module determines the picture in described image data
When marking object, the corresponding coordinate data is obtained；
Drawing unit 43 is used for according to the coordinate data with track drafting image, to the coordinate on the trace image
Point carries out building label, and according to label result to carry out behavioural analysis.
It, can be effectively according to the acquisition instructions to inquire by the design of the identification module 10 in the present embodiment
Target object is stated, the subsequent track to the target object is facilitated and acquires, improve the action trail acquisition device 100 and adopt
The accuracy of collection, by the design of the matching module 20 and the acquisition module 30, so that can be using multi-angle, more acquisitions
The mode of point carries out the acquisition of the target object, effectively prevents not carrying smart machine or network due to the target object
Acquisition mistake caused by reason, and then effectively raise the reliability to target object acquisition.
Embodiment 2 is the structural representation for the action trail acquisition device 100a that second embodiment of the invention provides referring to Fig. 2
Figure, comprising:
Identification module 10 inquires target object for receiving acquisition instructions, and according to the acquisition instructions, wherein described
Acquisition instructions can be transmitted by the way of the instruction of voice signal, wireless signal or message, it is preferred that the acquisition instructions
It can also be transmitted by the way of phonetic matrix or picture format, and obtain the feature in the acquisition instructions in the module
Mark, to inquire the target object.
Matching module 20, for carrying out shared to the mobile device for being formed by target area according to the target object
Match, to obtain the camera of the mobile device and/or the control of the network port, wherein the target area is with described
The current coordinate point of target object is that origin is formed by region, it is preferred that the target area can be according to user demand
Any range shape, and by obtaining the camera of the mobile device and/or the control of the network port in the module, with side
Continue after an action of the bowels and the track of the target object is acquired.
Acquisition module 30, for carrying out positioning acquisition to the target object, to obtain acquisition data, the positioning acquisition
Used acquisition mode is that shooting, collecting and/or network address acquire, wherein the shooting, collecting is used to pass through the camera
Image taking acquisition is carried out, coordinate of the network address acquisition for carrying out the target object by sending coordinate position is fixed
Position, and then effectively facilitate the drafting of the subsequent action trail for the target object.
Analysis module 40, for according to the acquisition data to draw action trail image, wherein by obtaining in the module
It takes in the acquisition data coordinate point data to mark coordinate points, and the coordinate points after label is attached with track drafting figure
Picture carries out building label by inquiring the architecture information on each mark point coordinate periphery respectively, and to each mark point, to obtain
The action trail image, wherein building is marked by using title or the mode of image to carry out correspondence markings, the building mark
Note is for the convenient behavioural analysis to target object described in the trace image.
Update module 50, for obtaining the current coordinate point of the target object in real time, and according to the current coordinate point
Control the shared matching that the matching module 20 is re-started the mobile device by third prefixed time interval, wherein pass through
The design of the update module 50 so as to effectively be updated to the position of the target object, and is updated to the movement
The control of equipment, and then effectively raise the reliability of the action trail acquisition device 100a.
Specifically, the identification module 10 includes:
First acquisition unit 11, for obtaining the signature identification carried in the acquisition instructions, the signature identification is more
The combination of a characteristic parameter, the characteristic parameter include height parameter, face-image parameter, fingerprint parameter, audio frequency parameter and clothing
Object is worn with parameter；
Recognition unit 12, for according to the second acquisition unit 42 acquisition as a result, to the pedestrian in specified region into
Row identification matching, to inquire the target object, wherein camera by obtaining roadside in the specified region shoot image with
Carry out identification matching.
In the present embodiment, the matching module 20 includes:
Matching unit 21 generates institute according to the current coordinate point for obtaining the current coordinate point of the target object
State target area, obtain the port address of the mobile device in the target area, and according to the port address with it is described
Mobile device carries out communication connection；
Shared cell 22, for forming a local area network according to the port address, the local area network is set for the movement
The transmission of the data of the standby camera and/or the network port.
In addition, the acquisition module 30:
First acquisition unit 31, it is lasting by the first prefixed time interval for controlling the camera in the mobile device
It is shot, to obtain image data；
Second acquisition unit 32 is held for controlling in the mobile device network port by the second prefixed time interval
The continuous transmission for carrying out current address, to obtain coordinate data.
Further, in preferred embodiments of the present invention, the analysis module 40 includes:
Judging unit 41, for judging in the picture in described image data with the presence or absence of the target object；
Second acquisition unit 42, for there are the mesh when the judgment module determines the picture in described image data
When marking object, the corresponding coordinate data is obtained；
Drawing unit 43 is used for according to the coordinate data with track drafting image, to the coordinate on the trace image
Point carries out building label, and according to label result to carry out behavioural analysis.
Preferably, the action trail acquisition device 100a further include:
Removing module 51, the current coordinate point and the mobile device for getting when the update module 50 it
Between distance when being greater than distance threshold, disconnect with the shared matching of the mobile device, and delete and stored in the mobile device
Acquisition data.
It, can be effectively according to the acquisition instructions to inquire by the design of the identification module 10 in the present embodiment
Target object is stated, the subsequent track to the target object is facilitated and acquires, improve the action trail acquisition device 100a
The accuracy of acquisition, by the design of the matching module 20 and the acquisition module 30, so as to which multi-angle can be used, adopted more
The mode of collection point carries out the acquisition of the target object, effectively prevents not carrying smart machine or net due to the target object
Acquisition mistake caused by network reason, and then effectively raise the reliability to target object acquisition.
Embodiment 3 is the structural representation for the action trail acquisition device 100b that third embodiment of the invention provides referring to Fig. 3
The structure of figure, the 3rd embodiment and second embodiment is more or less the same, and difference is, in the present embodiment, the action trail
Acquisition device 100b further include:
Protection module 52, for when the action trail acquisition device 100b is cracked, obtaining the fingerprint letter for cracking people
Breath, and crack people to described according to the finger print information and be tracked, wherein when detecting the row in the protection module 52
It is automatic to obtain the finger print information for currently cracking people when to generate cracking code in the acquisition device 100b of track, according to the fingerprint
Information is tracked, and then effectively raises the protective performance and security performance of the action trail acquisition device 100b.
Preferably, the present embodiment also provides a kind of intelligent terminal, comprising: ontology and above-mentioned action trail acquisition device
100b, the action trail acquisition device 100b are set in the ontology.
The technical effect and embodiment 1 of device provided by the embodiment of the present invention, realization principle and generation are identical, for letter
It describes, the present embodiment does not refer to place, can refer to corresponding contents in embodiment 1.
The device obtained by above-mentioned design has been able to satisfy substantially by way of multi-angle, more collection points, with raising pair
The reliability of target object action trail acquisition, but in line with the objective for further improving its function, designer carries out the device
Further improvement.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of unit, module can according to need and for example, in practical application by above-mentioned function distribution by different function
Energy unit or module are completed, i.e., the internal structure of storage device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.
It will be understood by those skilled in the art that composed structure shown in Fig. 3 is not constituted to action trail of the invention
The restriction of acquisition device 100b may include perhaps combining certain components or different than illustrating more or fewer components
Component layout, and the action trail acquisition device 100 in Fig. 1-3 also uses more or fewer portions shown in Fig. 3 to 100b
Part combines certain components or different component layouts perhaps to realize.The so-called unit of the present invention, module etc. refer to one kind
Can performed by the processor (not shown) in the action trail acquisition device 100b and function enough complete specific function
Series of computation machine program, in the storage equipment (not shown) that can be stored in the action trail acquisition device 100b.
Above embodiment described technical principles of the invention, and the description is merely to explain the principles of the invention, and
It cannot be construed to the limitation of the scope of the present invention in any way.Based on the explanation herein, those skilled in the art is not required to
Other specific embodiments of the invention can be associated by paying creative labor, these modes fall within of the invention
In protection scope.
Claims (9)
1. a kind of action trail acquisition device characterized by comprising
Identification module inquires target object for receiving acquisition instructions, and according to the acquisition instructions；
Matching module, for carrying out shared matching to the mobile device for being formed by target area according to the target object, with
Obtain the camera of the mobile device and/or the control of the network port；
Acquisition module, for carrying out positioning acquisition to the target object, to obtain acquisition data, the positioning acquisition is used
Acquisition mode be that shooting, collecting and/or network address acquire；
Analysis module, for according to the acquisition data to draw action trail image.
2. action trail acquisition device according to claim 1, which is characterized in that the identification module includes:
First acquisition unit, for obtaining the signature identification carried in the acquisition instructions, the signature identification is multiple features
The combination of parameter, the characteristic parameter include that height parameter, face-image parameter, fingerprint parameter, audio frequency parameter and clothing are worn and matched
Parameter；
Recognition unit, for the acquisition according to the second acquisition unit as a result, carrying out identification to the pedestrian in specified region
Match, to inquire the target object.
3. action trail acquisition device according to claim 1, which is characterized in that the matching module includes:
Matching unit generates the target according to the current coordinate point for obtaining the current coordinate point of the target object
Region obtains the port address of the mobile device in the target area, and is set according to the port address and the movement
It is standby to carry out communication connection；
Shared cell, for forming a local area network according to the port address, the local area network is for institute in the mobile device
State the data transmission of camera and/or the network port.
4. action trail acquisition device according to claim 1, which is characterized in that the acquisition module:
First acquisition unit is persistently clapped for controlling in the mobile device camera by the first prefixed time interval
It takes the photograph, to obtain image data；
Second acquisition unit is persistently carried out for controlling in the mobile device network port by the second prefixed time interval
The transmission of current address, to obtain coordinate data.
5. action trail acquisition device according to claim 4, which is characterized in that the analysis module includes:
Judging unit, for judging in the picture in described image data with the presence or absence of the target object；
Second acquisition unit, for there are the target objects when the judgment module determines the picture in described image data
When, obtain the corresponding coordinate data；
Drawing unit, for, with track drafting image, being carried out to the coordinate points on the trace image according to the coordinate data
Building label, and according to label result to carry out behavioural analysis.
6. action trail acquisition device according to claim 1, which is characterized in that the action trail acquisition device also wraps
It includes:
Protection module, for obtaining the finger print information for cracking people, and according to institute when the action trail acquisition device is cracked
Finger print information is stated to crack people to described and be tracked.
7. action trail acquisition device according to claim 1, which is characterized in that the action trail acquisition device also wraps
It includes:
Update module controls institute for obtaining the current coordinate point of the target object in real time, and according to the current coordinate point
State the shared matching that matching module is re-started the mobile device by third prefixed time interval.
8. action trail acquisition device according to claim 7, which is characterized in that the action trail acquisition device also wraps
It includes:
Removing module, the distance between described current coordinate point and the mobile device for being got when the update module
When greater than distance threshold, the shared matching with the mobile device is disconnected, and delete the acquisition number stored in the mobile device
According to.
9. a kind of intelligent terminal characterized by comprising the acquisition of action trail described in ontology and claim 1 to 8 any one
Device, the action trail acquisition device are set in the ontology.
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| CN201811455414.8A CN109671101A (en) | 2018-11-30 | 2018-11-30 | Action trail acquisition device and intelligent terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021026848A1 (en) * | 2019-08-14 | 2021-02-18 | 深圳市大疆创新科技有限公司 | Image processing method and device, and photographing apparatus, movable platform and storage medium |
| CN113628243A (en) * | 2020-05-08 | 2021-11-09 | 广州海格通信集团股份有限公司 | Motion trajectory acquisition method and device, computer equipment and storage medium |
| CN113671513A (en) * | 2020-05-14 | 2021-11-19 | 日立乐金光科技株式会社 | Distance measuring system and calibration method of distance measuring sensor |
-
2018
- 2018-11-30 CN CN201811455414.8A patent/CN109671101A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021026848A1 (en) * | 2019-08-14 | 2021-02-18 | 深圳市大疆创新科技有限公司 | Image processing method and device, and photographing apparatus, movable platform and storage medium |
| CN113628243A (en) * | 2020-05-08 | 2021-11-09 | 广州海格通信集团股份有限公司 | Motion trajectory acquisition method and device, computer equipment and storage medium |
| CN113671513A (en) * | 2020-05-14 | 2021-11-19 | 日立乐金光科技株式会社 | Distance measuring system and calibration method of distance measuring sensor |
| CN113671513B (en) * | 2020-05-14 | 2024-02-23 | 日立乐金光科技株式会社 | Ranging system and calibration method of ranging sensor |
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Application publication date: 20190423 |