CN109519978A - Natural gas cooker positioning system - Google Patents
Natural gas cooker positioning system Download PDFInfo
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- CN109519978A CN109519978A CN201811456012.XA CN201811456012A CN109519978A CN 109519978 A CN109519978 A CN 109519978A CN 201811456012 A CN201811456012 A CN 201811456012A CN 109519978 A CN109519978 A CN 109519978A
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- gas cooker
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
- G06F18/2135—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on approximation criteria, e.g. principal component analysis
-
- 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
- G06V10/32—Normalisation of the pattern dimensions
Abstract
The present invention relates to a kind of natural gas cooker positioning systems, it include: sound sensing apparatus, the natural gas line interface of natural gas cooker is set, for incuding the voice signal around natural gas tube pipeline joint, to be sent as interface voice signal, there are four brackets for the lower section setting of natural gas cooker, to support natural gas cooker to move on the table；Constituent analysis equipment is carried out acoustic constituents analysis for docking voice sound signal, when being transfinited with the amplitude in acoustic constituents identical with natural gas leaking acoustic frequency, issues leakage alarm signal；The natural gas line interface of natural gas cooker is arranged in concentration measurement equipment, for starting the real-time measurement to the carbonomonoxide concentration of ambient enviroment when receiving leakage alarm signal；Irrelevance analytical equipment determines corresponding directly proportional kitchen range irrelevance for the distance based on outer casing pattern centroid to mesa pattern centroid.Through the invention, the accurate positionin to natural gas cooker is realized.
Description
Technical field
The present invention relates to natural gas cooker field more particularly to a kind of natural gas cooker positioning systems.
Background technique
Natural gas cooker refers to that carrying out straight fire with gaseous fuels such as liquefied petroleum gas (liquid), artificial coal gas, natural gases adds
The kitchen utensils of heat.Natural gas cooker is called stone or metal plate for standing a stove on as a precaution against fire, and popular degree is known to all, but be difficult to see one it is current general
It reads.
At work, combustion gas enters in stove natural gas cooker from air inlet pipe, and by the adjusting of gas valve, (user passes through rotation
Button is adjusted) enter in burner, while mixing portion of air (this partial air is referred to as primary air), these gaseous mixtures
Body, which sprays from the fire hole of distributor while being ignited device, to be lighted to form flame (required air is referred to as secondary sky when burning
Gas), these flames are used to the cooker that heating is placed on pan bracket.
Summary of the invention
In order to solve the technical issues of current natural gas kitchen range lack high-precision equipment station-keeping mode, the present invention provides
A kind of natural gas cooker positioning system.
The present invention at least has the important inventive point of following two:
(1) the framing analysis natural gas cooker of free-standing on table top is customized, efficient, to avoid
There is the accident generation that destage face is toppled over or fallen to natural gas cooker；
(2) it in specific framing analysis, in order to improve image processing efficiency, obtains apart from shortest three objects
Three subject areas being respectively in the picture, using the elementary subject area of multiplicity as the ginseng for being used for subsequent processing
Examination district domain.
According to an aspect of the present invention, a kind of natural gas cooker positioning system is provided, the system comprises:
Sound sensing apparatus is arranged in the natural gas line interface of natural gas cooker, connects for incuding natural gas line
Voice signal around mouthful, to be sent as interface voice signal, the setting of the lower section of the natural gas cooker there are four bracket, with
The natural gas cooker is supported to move on the table；Constituent analysis equipment is connect, for receiving with the sound sensing apparatus
State interface voice signal, and acoustic constituents analysis carried out to the interface voice signal, with natural gas leaking acoustic frequency phase
When the amplitude of same acoustic constituents transfinites, leakage alarm signal is issued；The natural of natural gas cooker is arranged in concentration measurement equipment
Feed channel interface is connect with the constituent analysis equipment, for starting to surrounding when receiving the leakage alarm signal
The real-time measurement of the carbonomonoxide concentration of environment；Combination collecting mechanism, the opposite of desktop where the natural gas cooker is set,
Image Acquisition is carried out towards natural gas cooker place desktop, including left side acquisition equipment and right side acquire equipment, for dividing
Left side acquisition image and right side acquisition image are not acquired and exported；First identification equipment combines collecting mechanism connection with described, uses
In receiving the left side acquisition image and right side acquisition image, image and right side acquisition figure are acquired towards the left side
As any, the distance of each of the acquisition image object to camera lens is detected, to obtain apart from shortest three
Three subject areas that object is respectively in the acquisition image；Second identification equipment connects with the first identification equipment
It connects, for any towards left side acquisition image and right side acquisition image, to each in three subject areas
A subject area executes following processing: obtaining each pixel value of each pixel in the subject area, deletes described each
Duplicate pixel value in pixel value, to obtain the quantity of remaining pixel value, the scalar mapping pair based on remaining pixel value
The multiplicity grade answered；Third identify equipment, with it is described second identification equipment connect, for towards the left side acquisition image with
The right side acquisition image is any, the corresponding three multiplicity grades of three subject areas is received, by multiplicity etc.
The minimum subject area of grade is exported as reference zone；Signal plans as a whole equipment, connect with third identification equipment, for receiving
The left side acquisition image and the right side acquire each corresponding reference zone of image, and left side acquisition image is corresponding
Reference zone and the right side corresponding reference zone of acquisition image spliced, to obtain image after corresponding splicing, and
Send image after the splicing；Edge sharpening equipment is planned as a whole equipment with the signal and is connect, for holding to image after the splicing
Row edge sharpening processing, to obtain corresponding edge sharpening image；Table top splitting equipment is connect with the edge sharpening equipment,
The pattern of each pixel composition for being fallen within the scope of table top luminance threshold in the edge sharpening image is as table top
Pattern output；Shell divide equipment is connect with the edge sharpening equipment, for declining the edge sharpening image in shell
The pattern of each pixel composition within the scope of luminance threshold is exported as outer casing pattern；Irrelevance analytical equipment, respectively with institute
It states table top splitting equipment to connect with the shell divide equipment, for based on the outer casing pattern centroid to the mesa pattern shape
The distance of the heart is to determine corresponding directly proportional kitchen range irrelevance；LED display device is arranged on the shell of natural gas cooker,
It is connect with the irrelevance analytical equipment, for receiving kitchen range irrelevance described in simultaneously real-time display.
More specifically, in the natural gas cooker positioning system: the signal plan as a whole equipment by the sub- equipment of data receiver,
Subgraph splices sub- equipment and data send sub- equipment composition；Wherein, the subgraph splice sub- equipment respectively with the data
Sub- equipment is received to connect with the sub- equipment of data transmission.
More specifically, in the natural gas cooker positioning system: planning as a whole in equipment in the signal, the data receiver
Sub- equipment is for receiving the left side acquisition image and right side acquisition each corresponding reference zone of image, the data
Sub- equipment is sent for sending image after the splicing.
More specifically, in the natural gas cooker positioning system: planning as a whole in equipment in the signal, the subgraph is spelled
Sub- equipment is connect for the left side to be acquired the corresponding reference zone of image and the corresponding reference zone of right side acquisition image
Spliced, to obtain image after corresponding splicing；Wherein, in the second identification equipment, the quantity of remaining pixel value
It is more, map corresponding multiplicity lower grade.
More specifically, in the natural gas cooker positioning system, further includes:
DDR memory device is connect, for saving the quantity of pixel value and corresponding multiplicity with the second identification equipment
Mapping relations between grade.
More specifically, in the natural gas cooker positioning system, further includes:
Grade identification apparatus, target analyzing device and Pointwise filtering equipment are located at the combination collecting mechanism and described the
Between one identification equipment, for acquiring left end acquisition image and the right end, image is any to be used as acquisition image to carry out phase
With processing, to obtain corresponding Pointwise filtering image, that is, obtain and left end acquisition image and right end acquisition image point
Not corresponding left end Pointwise filtering image and right end Pointwise filtering image, and by left end Pointwise filtering image and right end Pointwise filtering
Image replaces left end acquisition image respectively and right end acquisition image is sent to the first identification equipment.
More specifically, in the natural gas cooker positioning system: the grade identification apparatus acquires image for receiving,
And judge in the acquisition image degree of correlation grade between pixel two-by-two；Wherein, the target analyzing device is for judging institute
The objective contour in acquisition image is stated, and judges the corresponding chamfered shape of objective contour in the acquisition image, and be based on institute
It states chamfered shape and determines median filtering template.
More specifically, in the natural gas cooker positioning system: the Pointwise filtering equipment respectively with the target solution
Desorption device is connected with the grade identification apparatus, using each of acquisition image pixel as object pixel, is based on institute
State median filtering template and determine median filtering window centered on the object pixel, by the median filtering window with institute
State object pixel degree of correlation grade be more than or equal to predetermined level threshold value all pixels pixel value mean value as the mesh
Mark the filtered pixel value of pixel；The Pointwise filtering equipment based on all object pixels filtered pixel value output by
Point filtering image.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the knot of the natural gas cooker according to applied by the natural gas cooker positioning system shown in embodiment of the present invention
Structure schematic diagram.
Specific embodiment
The embodiment of natural gas cooker positioning system of the invention is described in detail below with reference to accompanying drawings.
In the prior art, natural gas range lamps structure is divided into: table type kitchen range and built-in type cooker.
Table type kitchen range is mainly by burner (burner, interior outer fire cover), valve body (containing nozzle, air door plate, volute spring), shell
(can be seperated shell, assembled by panel, back plate and left side plate, be also possible to integrally stretching shell), grate, rotation
The composition such as button, drip pan, furnace foot, air inlet pipe and pulse igniter (pulse firing mode kitchen range are dedicated).
Built-in type cooker mainly (contains nozzle, air door plate, Conical Projectile by insertion burner (burner, interior outer fire cover etc.), valve body
Spring, solenoid valve), panel (having tempered glass panel, stainless steel faceplate and non-viscous oil panel etc.), grate, knob, drip pan, furnace
(built-in type cooker is typically all pulse firing mode, the point of gas cooker for foot, bottom case, air inlet pipe, connecting tube, pulse igniter
Fiery mode is broadly divided into two kinds of electronic ignition and pulse firing), (flame-out protector refers in gas cooker thermocouple
The device of fuel gas path is automatically cut off after fray-out of flame).
In order to overcome above-mentioned deficiency, the present invention has built a kind of natural gas cooker positioning system, can be effectively close to corresponding
The technical issues of.
Fig. 1 is the knot of the natural gas cooker according to applied by the natural gas cooker positioning system shown in embodiment of the present invention
Structure schematic diagram, wherein 1 is outer fire cover, and 2 be inner fire cover, and 3 be crater.
The natural gas cooker positioning system shown according to an embodiment of the present invention includes:
Sound sensing apparatus is arranged in the natural gas line interface of natural gas cooker, connects for incuding natural gas line
Voice signal around mouthful, to be sent as interface voice signal, the setting of the lower section of the natural gas cooker there are four bracket, with
The natural gas cooker is supported to move on the table；
Constituent analysis equipment is connect with the sound sensing apparatus, for receiving the interface voice signal, and to described
Interface voice signal carries out acoustic constituents analysis, is transfinited with the amplitude in acoustic constituents identical with natural gas leaking acoustic frequency
When, issue leakage alarm signal；
The natural gas line interface of natural gas cooker is arranged in concentration measurement equipment, connects with the constituent analysis equipment
It connects, for starting the real-time measurement to the carbonomonoxide concentration of ambient enviroment when receiving the leakage alarm signal；
Combine collecting mechanism, the opposite of desktop where the natural gas cooker is set, towards the natural gas cooker institute
Image Acquisition is carried out in desktop, including left side acquisition equipment and right side acquire equipment, for acquiring and exporting left side acquisition respectively
Image and right side acquire image；
First identification equipment combines collecting mechanism connection with described, for receiving the left side acquisition image and the right side
Side acquires image, acquires image towards the left side and right side acquisition image is any, to each in the acquisition image
The distance of a object to camera lens is detected, and is respectively in the acquisition image with acquisition apart from shortest three objects
Three subject areas；
Second identification equipment is connect, for acquiring image and the right side towards the left side with the first identification equipment
Side acquisition image is any, executes following processing to each of three subject areas subject area: obtaining the object
Each pixel value of each pixel in region deletes the duplicate pixel value in each pixel value, remaining to obtain
The quantity of pixel value, the corresponding multiplicity grade of scalar mapping based on remaining pixel value；
Third identifies equipment, connect with the second identification equipment, for acquiring image and the right side towards the left side
Side acquisition image is any, receives the corresponding three multiplicity grades of three subject areas, and multiplicity grade is minimum
Subject area as reference zone export；
Signal plans as a whole equipment, connect with third identification equipment, for receiving the left side acquisition image and the right side
Side acquires each corresponding reference zone of image, and the left side is acquired the corresponding reference zone of image and the right side acquires
The corresponding reference zone of image is spliced, and to obtain image after corresponding splicing, and sends image after the splicing；
Edge sharpening equipment is planned as a whole equipment with the signal and is connect, for executing edge sharpening to image after the splicing
Processing, to obtain corresponding edge sharpening image；
Table top splitting equipment is connect with the edge sharpening equipment, for will fall in table top in the edge sharpening image
The pattern of each pixel composition within the scope of luminance threshold is exported as mesa pattern；
Shell divide equipment is connect with the edge sharpening equipment, for declining the edge sharpening image in shell
The pattern of each pixel composition within the scope of luminance threshold is exported as outer casing pattern；
Irrelevance analytical equipment is connect, for being based on respectively with the table top splitting equipment and the shell divide equipment
The outer casing pattern centroid determines corresponding directly proportional kitchen range irrelevance to the distance of the mesa pattern centroid；
LED display device is arranged on the shell of natural gas cooker, connect with the irrelevance analytical equipment, for connecing
Receive kitchen range irrelevance described in simultaneously real-time display.
Then, continue that the specific structure of natural gas cooker positioning system of the invention is further detailed.
In the natural gas cooker positioning system: the signal is planned as a whole equipment and is spelled by the sub- equipment of data receiver, subgraph
It connects sub- equipment and data sends sub- equipment composition；
Wherein, the sub- equipment of the subgraph splicing sends sub- equipment with the sub- equipment of the data receiver and the data respectively
Connection.
In the natural gas cooker positioning system: planning as a whole in equipment in the signal, the sub- equipment of data receiver is used
In receiving the left side acquisition image and right side acquisition each corresponding reference zone of image, the data send son and set
It is ready for use on image after sending the splicing.
In the natural gas cooker positioning system: planning as a whole in equipment in the signal, the subgraph splices sub- equipment
For the left side acquisition corresponding reference zone of image and the corresponding reference zone of right side acquisition image to be spliced,
To obtain image after corresponding splicing；
Wherein, in the second identification equipment, the quantity of remaining pixel value is more, maps corresponding multiplicity grade
It is lower.
In the natural gas cooker positioning system, further includes:
DDR memory device is connect, for saving the quantity of pixel value and corresponding multiplicity with the second identification equipment
Mapping relations between grade.
In the natural gas cooker positioning system, further includes:
Grade identification apparatus, target analyzing device and Pointwise filtering equipment are located at the combination collecting mechanism and described the
Between one identification equipment, for acquiring left end acquisition image and the right end, image is any to be used as acquisition image to carry out phase
With processing, to obtain corresponding Pointwise filtering image, that is, obtain and left end acquisition image and right end acquisition image point
Not corresponding left end Pointwise filtering image and right end Pointwise filtering image, and by left end Pointwise filtering image and right end Pointwise filtering
Image replaces left end acquisition image respectively and right end acquisition image is sent to the first identification equipment.
In the natural gas cooker positioning system: the grade identification apparatus judges institute for receiving acquisition image
State in acquisition image the degree of correlation grade between pixel two-by-two；
Wherein, the target analyzing device is used to judge the objective contour in the acquisition image, and judges the acquisition
The corresponding chamfered shape of objective contour in image, and median filtering template is determined based on the chamfered shape.
In the natural gas cooker positioning system, further includes: the Pointwise filtering equipment is parsed with the target respectively
Equipment is connected with the grade identification apparatus, using each of acquisition image pixel as object pixel, based on described
Median filtering template determines median filtering window centered on the object pixel, by the median filtering window with it is described
The degree of correlation grade of object pixel is more than or equal to the mean value of the pixel value of all pixels of predetermined level threshold value as the target
The filtered pixel value of pixel；Filtered pixel value output of the Pointwise filtering equipment based on all object pixels is point-by-point
Filtering image.
In addition, strictly speaking DDR should be DDR SDRAM, people's habit is known as DDR, and part beginner is also commonly seen DDR
SDRAM is taken as SDRAM.DDR SDRAM is the abbreviation of Double Data Rate SDRAM, and it is dynamic to be that Double Data Rate synchronizes
The meaning of state random access memory.DDR memory is developed on the basis of sdram memory, and SDRAM production body is still continued to use
System, therefore for memory manufacturer, only the equipment for manufacturing common SDRAM need to slightly be improved, the life of DDR memory can be realized
It produces, cost can be effectively reduced.
SDRAM transmission primaries data within a clock cycle, it was carried out data transmission in the rising stage of clock；And
DDR memory is then that secondary data twice are transmitted in a clock cycle, it can respectively transmit one in the rising stage of clock and decline phase
Secondary data, because of referred to herein as Double Data Rate synchronous DRAM.DDR memory can be in bus frequency identical with SDRAM
Under reach higher data transmission rate.
Compared with SDRAM: DDR has used more advanced synchronous circuit, keeps specified address, the conveying of data and output main
Step not only independently executed, but also kept fully synchronized with CPU；DDR used DLL (Delay Locked Loop, delay locked time
Road provides a data filtering signal) technology, when data are effective, it is smart that this data filtering signal can be used for storage control
True location data, every 16 output is primary, and data of the re-synchronization from different memory module.DDR is not needed substantially
Improving clock frequency can double to improve the speed of SDRAM, it allows to read data in the rising edge and failing edge of clock pulses,
Thus its speed is twice of standard SDRA.
Using natural gas cooker positioning system of the invention, lack high-precision set for natural gas cooker in the prior art
The technical issues of standby station-keeping mode, image be customized by the natural gas cooker to free-standing on table top, efficient
Positioning analysis, to avoid there is the accident generation that destage face is toppled over or fallen to natural gas cooker；And in specific framing point
In analysis, in order to improve image processing efficiency, three target areas being respectively in the picture apart from shortest three objects are obtained
Domain, using the elementary subject area of multiplicity as the reference zone for being used for subsequent processing；It is asked to solve above-mentioned technology
Topic.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of natural gas cooker positioning system characterized by comprising
The natural gas line interface of natural gas cooker is arranged in sound sensing apparatus, for incuding natural gas tube pipeline joint week
The voice signal enclosed, to send as interface voice signal, there are four brackets for the lower section setting of the natural gas cooker, to support
The natural gas cooker moves on the table；
Constituent analysis equipment is connect with the sound sensing apparatus, for receiving the interface voice signal, and to the interface
Voice signal carries out acoustic constituents analysis, when being transfinited with the amplitude in acoustic constituents identical with natural gas leaking acoustic frequency, hair
Leakage alarm signal out；
The natural gas line interface of natural gas cooker is arranged in concentration measurement equipment, connect with the constituent analysis equipment, uses
In when receiving the leakage alarm signal, start the real-time measurement to the carbonomonoxide concentration of ambient enviroment；
Combine collecting mechanism, the opposite of desktop where the natural gas cooker is set, towards table where the natural gas cooker
Face carries out Image Acquisition, including left side acquisition equipment and right side acquire equipment, acquires image for acquiring and exporting left side respectively
Image is acquired with right side；
First identification equipment combines collecting mechanism connection with described, adopts for receiving the left side acquisition image and the right side
Collect image, acquires image towards the left side and right side acquisition image is any, to each of described acquisition image pair
As the distance to camera lens is detected, to obtain three be respectively in the acquisition image apart from shortest three objects
Subject area；
Second identification equipment is connect with the first identification equipment, for adopting towards left side acquisition image and the right side
It is any to collect image, following processing is executed to each of three subject areas subject area: obtaining the subject area
In each pixel each pixel value, the duplicate pixel value in each pixel value is deleted, to obtain remaining pixel
The quantity of value, the corresponding multiplicity grade of scalar mapping based on remaining pixel value；
Third identifies equipment, connect with the second identification equipment, for adopting towards left side acquisition image and the right side
It is any to collect image, receives the corresponding three multiplicity grades of three subject areas, multiplicity is elementary right
As region is exported as reference zone；
Signal plans as a whole equipment, connect with third identification equipment, adopts for receiving the left side acquisition image and the right side
Collect each corresponding reference zone of image, the left side is acquired into the corresponding reference zone of image and the right side acquires image
Corresponding reference zone is spliced, and to obtain image after corresponding splicing, and sends image after the splicing；
Edge sharpening equipment is planned as a whole equipment with the signal and is connect, for executing edge sharpening processing to image after the splicing,
To obtain corresponding edge sharpening image；
Table top splitting equipment is connect with the edge sharpening equipment, for will fall in table top brightness in the edge sharpening image
The pattern of each pixel composition in threshold range is exported as mesa pattern；
Shell divide equipment is connect with the edge sharpening equipment, for declining the edge sharpening image in shell brightness
The pattern of each pixel composition in threshold range is exported as outer casing pattern；
Irrelevance analytical equipment is connect with the table top splitting equipment and the shell divide equipment respectively, for based on described
Outer casing pattern centroid determines corresponding directly proportional kitchen range irrelevance to the distance of the mesa pattern centroid；
LED display device is arranged on the shell of natural gas cooker, connect with the irrelevance analytical equipment, for receiving simultaneously
Kitchen range irrelevance described in real-time display.
2. natural gas cooker positioning system as described in claim 1, it is characterised in that:
The signal is planned as a whole equipment and is made of the sub- equipment of data receiver, the sub- equipment of subgraph splicing and the sub- equipment of data transmission；
Wherein, the subgraph splices sub- equipment and connects respectively with the sub- equipment of the data receiver and the sub- equipment of data transmission
It connects.
3. natural gas cooker positioning system as claimed in claim 2, it is characterised in that:
Plan as a whole in equipment in the signal, the sub- equipment of data receiver is for receiving the left side acquisition image and the right side
Each corresponding reference zone of image is acquired, the data send sub- equipment for sending image after the splicing.
4. natural gas cooker positioning system as claimed in claim 3, it is characterised in that:
Plan as a whole in equipment in the signal, the subgraph splices sub- equipment and is used for the corresponding reference of left side acquisition image
Region and the corresponding reference zone of right side acquisition image are spliced, to obtain image after corresponding splicing；
Wherein, in the second identification equipment, the quantity of remaining pixel value is more, maps corresponding multiplicity grade and gets over
It is low.
5. natural gas cooker positioning system as claimed in claim 4, which is characterized in that the system also includes:
DDR memory device is connect, for saving the quantity of pixel value and corresponding multiplicity grade with the second identification equipment
Between mapping relations.
6. natural gas cooker positioning system as claimed in claim 5, which is characterized in that the system also includes:
Grade identification apparatus, target analyzing device and Pointwise filtering equipment are located at the combination collecting mechanism and described first and know
Between other equipment, for acquiring left end acquisition image with the right end, image is any to be used as acquisition image mutually to be existed together
Reason, to obtain corresponding Pointwise filtering image, that is, it is right respectively with left end acquisition image and right end acquisition image to obtain
The left end Pointwise filtering image and right end Pointwise filtering image answered, and by left end Pointwise filtering image and right end Pointwise filtering image
Replacement left end acquisition image and right end acquisition image are sent to the first identification equipment respectively.
7. natural gas cooker positioning system as claimed in claim 6, it is characterised in that:
The grade identification apparatus judges in the acquisition image degree of correlation between pixel two-by-two for receiving acquisition image
Grade；
Wherein, the target analyzing device is used to judge the objective contour in the acquisition image, and judges the acquisition image
In the corresponding chamfered shape of objective contour, and median filtering template is determined based on the chamfered shape.
8. natural gas cooker positioning system as claimed in claim 7, it is characterised in that:
The Pointwise filtering equipment is connect with the target analyzing device and the grade identification apparatus respectively, and the acquisition is schemed
Each of picture pixel is determined in centered on the object pixel as object pixel based on the median filtering template
Value filtering window will be more than or equal to predetermined level threshold value with the degree of correlation grade of the object pixel in the median filtering window
All pixels pixel value filtered pixel value of the mean value as the object pixel；The Pointwise filtering equipment is based on
The filtered pixel value of all object pixels exports Pointwise filtering image.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477675A (en) * | 2019-04-27 | 2019-11-22 | 张金秋 | Prevent the monitor supervision platform that baby falls |
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