CN109540916A - Hearth soil level detection system - Google Patents
Hearth soil level detection system Download PDFInfo
- Publication number
- CN109540916A CN109540916A CN201811469000.0A CN201811469000A CN109540916A CN 109540916 A CN109540916 A CN 109540916A CN 201811469000 A CN201811469000 A CN 201811469000A CN 109540916 A CN109540916 A CN 109540916A
- Authority
- CN
- China
- Prior art keywords
- image
- equipment
- hearth
- slice
- receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
-
- 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
- G06T2207/10024—Color image
-
- 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
- G06T2207/20—Special algorithmic details
- G06T2207/20021—Dividing image into blocks, subimages or windows
-
- 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
- G06T2207/20—Special algorithmic details
- G06T2207/20024—Filtering details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Abstract
The present invention relates to a kind of hearth soil level detection systems, comprising: the top of hearth is arranged in exhaust fume collecting hood, for shrouding the smog near hearth with to be absorbed and be discharged；Bracket is arranged in the top of exhaust fume collecting hood, is used to support exhaust fume collecting hood；Switch driving equipment, for when receiving single motor switching command, start a motor in exhaust fume collecting hood and 1 typhoon wheel near it to form single suction path, and when receiving bi-motor switching command, start two motors in exhaust fume collecting hood with respective 2 neighbouring typhoon wheels to form 2 suction paths；Greasy dirt warning device stops sending hearth cleaning signal for moving about terminal by WIFI wireless communication link road direction and sending hearth cleaning signal, be also used to when receiving greasy dirt normal instructions when receiving greasy dirt alarm command.By means of the invention it is possible to overcome the defect that hearth is easy greasy dirt sprawling and cleannes lack user's concern.
Description
Technical field
The present invention relates to household appliance technical field more particularly to a kind of hearth soil level detection systems.
Background technique
Kitchen ventilator is all furred ceiling design, and mounting height is generally in 700mm or so, and the power of fan of its mainstream model is mostly
Between 200~250W, therefore it effectively aspirates radius substantially in 400mm or so, thus model is aspirated in its blower completely in pot face
Except enclosing, such oil smoke generates nature from pot face one and will stretch everywhere.To be cleaned, from the principle of air power
It says, only highly lowering, the effective radius for allowing it to aspirate covers pot face for it, can naturally also realize 99% suction effect
Fruit, but this obviously again can not cooking, carefully dissect after it is not difficult to find that this ceiling mounting type design be exactly kitchen ventilator pumping it is sordid
Basic reason.
Summary of the invention
In order to solve the technical issues of hearth in the prior art is easy greasy dirt sprawling and cleannes shortage user's concern, this
Invention provides a kind of hearth soil level detection system.
The present invention at least has the important inventive point of following two:
(1) standard deviation of the form and aspect signal component value of each pixel in each image slice is calculated, the standard is based on
The slice to be analyzed of the size selection high value of difference；
(2) using the hardware resource of the exhaust fume collecting hood of smoke exhaust ventilator, lower section hearth soil level is parsed and is judged, with
It avoids occurring oil body sprawling phenomenon in cooking, while keeping the concern to hearth cleannes.
According to an aspect of the present invention, a kind of hearth soil level detection system is provided, the system comprises:
The top of hearth is arranged in exhaust fume collecting hood, for shrouding the smog near hearth with to be absorbed and be discharged；Bracket, if
It sets in the top of exhaust fume collecting hood, is used to support the exhaust fume collecting hood；Switch driving equipment, for receiving single motor switching command
When, start a motor in exhaust fume collecting hood and 1 typhoon wheel near it to form single suction path；The switching driving equipment
It is also used to when receiving bi-motor switching command, starts two motors in exhaust fume collecting hood with respective 2 neighbouring typhoon wheels with group
At 2 suction paths；Greasy dirt warning device, for passing through WIFI wireless communication link road direction when receiving greasy dirt alarm command
It moves about terminal and sends hearth cleaning signal, be also used to when receiving greasy dirt normal instructions, stop passing through WIFI channel radio
Letter chain road direction moves about terminal and sends hearth cleaning signal；Porous candid photograph equipment, is arranged in the bottom of exhaust fume collecting hood, is used for direction
Candid photograph operation is carried out below exhaust fume collecting hood, and a candid photograph device is set in each hole, for carrying out candid photograph operation in its visual field,
The porous candid photograph equipment exports multiple and captures image；Image cutting equipment is connect, for receiving with the porous candid photograph equipment
Multiple described candid photograph images, obtain the current resolution of each candid photograph image, based on the current resolution to described
Each candid photograph image executes the cutting of average formula image, to obtain and export corresponding each image slice；Standard deviation identification is set
It is standby, it connect with described image cutting equipment, for receiving each image slice, each image slice is calculated wherein each
The standard deviation of form and aspect signal component value in the space HSB of a pixel；It is sliced output equipment, is connect with standard deviation identification equipment,
For calculating the mean value of each standard deviation of each image slice, and using standard deviation be more than the mean value image slice as to
Analysis slice exports one or more of each candid photograph image slice to be analyzed；Homomorphic filtering equipment is cut with described
Piece output equipment connection, for carrying out homomorphic filtering processing respectively to one or more of slices to be analyzed, to obtain correspondence
One or more homomorphic filterings slice；Slice superposition equipment, connect with the homomorphic filtering equipment, grabs for receiving each
The corresponding one or more homomorphic filtering slices of image are clapped, multiple described one or more homomorphic filterings for capturing image are sliced
It is overlapped in an image according to position respectively in the picture, to obtain accumulated image one by one；Image integration equipment, and it is described
Slice superposition equipment connection, each superposition image for receiving the accumulated image one by one, in the removal accumulated image one by one
Vegetarian refreshments, to obtain and export corresponding integral image；Gamma correcting equipment is connect, for connecing with described image integration equipment
The integral image is received, and live gamma correction processing is executed to the integral image, to obtain corresponding straightened up in place
Image, and export the straightened up in place image；Analyzing device is instructed, is alarmed respectively with the gamma correcting equipment and the greasy dirt
Equipment connection, for carrying out greasy dirt to the straightened up in place image based on greasy dirt upper limit luminance threshold and greasy dirt lower limit luminance threshold
The parsing of pixel, and transfinite in the ratio that the quantity of greasy dirt pixel occupies the pixel quantity of the straightened up in place image
When, greasy dirt alarm command is issued, otherwise, issues greasy dirt normal instructions.
More specifically, in the hearth soil level detection system: the standard deviation identification equipment includes space conversion
Unit, form and aspect signal component value in the space HSB for calculating each pixel in each image slice, luminance components value and full
With degree signal component value.
More specifically, in the hearth soil level detection system: described image cutting equipment, standard deviation identification
Equipment and the slice output equipment are realized by the different field-programmable array chips designed using VHDL language respectively.
More specifically, in the hearth soil level detection system: the slice superposition equipment receives son by image and sets
Standby, position is overlapped sub- equipment and image sends sub- equipment composition.
More specifically, in the hearth soil level detection system: in slice superposition equipment, the slice is folded
For receiving the corresponding one or more homomorphic filtering slices of each candid photograph image, the position is overlapped sub- equipment and uses oil (gas) filling device
An image is overlapped in the positions for being sliced multiple described one or more homomorphic filterings for capturing image respectively in the picture
In, the position is overlapped sub- equipment and connect respectively with the sub- equipment of described image reception and the sub- equipment of image transmission, described image hair
Send sub- equipment for sending the accumulated image one by one.
More specifically, in the hearth soil level detection system, further includes:
Block-by-block processing equipment, between the porous candid photograph equipment and described image cutting equipment, for each
It captures image and executes processing to obtain corresponding block-by-block processing image, and image is captured into block-by-block processing image replacement and is sent to institute
State image cutting equipment.
More specifically, in the hearth soil level detection system: the block-by-block processing equipment captures figure for receiving
Picture is analyzed to obtain the amplitude of various noises the noise in the candid photograph image, is determined based on the amplitude of various noises
The credit rating for capturing image is based on the matter when the credit rating is less than or equal to pre-determined lower limit credit rating
The candid photograph image averaging is divided into each of corresponding block size by the distance of pre-determined lower limit credit rating described in amount Rank distance
Piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the recursive filtering of corresponding different numbers to handle to obtain
Piecemeal must be filtered, by each filtering piecemeal combination of acquisition to obtain block-by-block processing image, the block-by-block processing equipment is also used to
The credit rating be higher than pre-determined lower limit credit rating when, to the candids photograph image overall execution single recursive filtering handle with
It obtains block-by-block and handles image；Pixel value variance based on the piecemeal selects the recursive filtering of corresponding different numbers to handle to obtain
Filtering piecemeal includes: to each piecemeal, and the pixel value variance of the piecemeal is smaller, and the recursive filtering number of processing of selection is got over
It is more.
More specifically, in the hearth soil level detection system: the block-by-block processing equipment is ROM type in no piece
MCU chip, the external EPROM chip of ROM type MCU chip in the no piece.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the side schematic view according to the hearth soil level detection system shown in embodiment of the present invention.
Specific embodiment
The embodiment of hearth soil level detection system of the invention is described in detail below with reference to accompanying drawings.
Kitchen fume can generate injury to the respiratory system of human body, have data to show, China is dead because of respiratory disease
The person of dying accounts for the first place of all kinds of causes of death, Coal smoke fluorosis areas, and arsenic poisoning has become the endemic disease of certain areas resident.Installation oil
The purpose of smoke machine is exactly to reduce indoor pollution, therefore will select first when selecting type to siphon away oil smoke in cooking
Smoke exhaust efficiency is high.
Secondly, to select negative pressure big.Because the negative pressure of kitchen ventilator is bigger, smoking ability is stronger.As described in you, in the market
Kitchen ventilator be divided into flat, half deep type, deep type and the types such as cabinet type, they because structure different " negative pressuren zones " generated not yet
Together, the negative pressure region of most of deep type smoke exhaust ventilators is about 0.14 cubic metre, and smoke exhaust efficiency is 60% or so, cabinet type range hood
Negative pressure region be about 0.32 cubic metre, smoke exhaust efficiency be greater than 95%.But since cabinet type range hood uses the shape that three side sealing closes
Formula, so seeming luxurious without suspension type in appearance.
In order to overcome above-mentioned deficiency, the present invention has built a kind of hearth soil level detection system, can effectively solve the problem that phase
The technical issues of answering.
Fig. 1 is the side schematic view according to the hearth soil level detection system shown in embodiment of the present invention, the system
System includes:
The top of hearth is arranged in exhaust fume collecting hood 2, for shrouding the smog near hearth with to be absorbed and be discharged；
The top of exhaust fume collecting hood is arranged in bracket 1, is used to support the exhaust fume collecting hood；
Switch driving equipment, for when receiving single motor switching command, starts a motor in exhaust fume collecting hood and its
1 neighbouring typhoon wheel is to form single suction path；The switching driving equipment is also used to receiving bi-motor switching command
When, start two motors in exhaust fume collecting hood with respective 2 neighbouring typhoon wheels to form 2 suction paths；
Greasy dirt warning device, for nearby being moved by WIFI wireless communication link road direction when receiving greasy dirt alarm command
Dynamic terminal sends hearth and clears up signal, is also used to when receiving greasy dirt normal instructions, stops passing through WIFI wireless communication link
Hearth cleaning signal is sent to terminal is moved about；
Porous candid photograph equipment, is arranged in the bottom of exhaust fume collecting hood, each for towards carrying out candid photograph operation below exhaust fume collecting hood
One candid photograph device is set in a hole, for candid photograph operation is carried out in its visual field, the porous candid photograph equipment to export multiple candid photographs
Image；
Image cutting equipment is connect with the porous candid photograph equipment, for receive it is described multiple capture images, described in acquisition
The current resolution of each candid photograph image executes average formula figure to each candid photograph image based on the current resolution
As cutting, to obtain and export corresponding each image slice；
Standard deviation identifies equipment, connect with described image cutting equipment, for receiving each image slice, to each
A image slice calculates the standard deviation of form and aspect signal component value in the wherein space HSB of each pixel；
It is sliced output equipment, is connect with standard deviation identification equipment, for calculating each standard of each image slice
The mean value of difference, and be more than the image slice of the mean value as slice to be analyzed, the output each candid photograph figure using standard deviation
One or more of picture slice to be analyzed；
Homomorphic filtering equipment is connect with the slice output equipment, for one or more of slices point to be analyzed
Not carry out homomorphic filtering processing, to obtain corresponding one or more homomorphic filtering slice；
Slice superposition equipment, connect with the homomorphic filtering equipment, one corresponding for receiving each candid photograph image
Or multiple homomorphic filterings slice, by it is described multiple capture one or more homomorphic filterings slices of images according to respectively in the picture
Position overlap in an image, to obtain accumulated image one by one；
Image integration equipment connect with slice superposition equipment, for accumulated image one by one described in receiving, described in removal
Each superposition image vegetarian refreshments in accumulated image one by one, to obtain and export corresponding integral image；
Gamma correcting equipment is connect with described image integration equipment, for receiving the integral image, and to it is described
Integral image executes live gamma correction processing, to obtain corresponding straightened up in place image, and exports the straightened up in place image；
Analyzing device is instructed, is connect respectively with the gamma correcting equipment and the greasy dirt warning device, for based on oil
Dirty upper limit luminance threshold and greasy dirt lower limit luminance threshold carry out the parsing of greasy dirt pixel to the straightened up in place image, and in oil
When the ratio that the quantity of dirty pixel occupies the pixel quantity of the straightened up in place image transfinites, greasy dirt alarm command is issued,
Otherwise, greasy dirt normal instructions are issued.
Then, continue that the specific structure of hearth soil level detection system of the invention is further detailed.
In the hearth soil level detection system: the standard deviation identification equipment includes space conversion unit, is used for
Calculate form and aspect signal component value in the space HSB of each pixel in each image slice, luminance components value and saturation degree ingredient
Value.
In the hearth soil level detection system: described image cutting equipment, standard deviation identification equipment and institute
Slice output equipment is stated to be realized by the different field-programmable array chips designed using VHDL language respectively.
In the hearth soil level detection system: the slice superposition equipment receives sub- equipment, position weight by image
It folds sub- equipment and image sends sub- equipment composition.
In the hearth soil level detection system: in slice superposition equipment, the slice superposition equipment is used
In receiving the corresponding one or more homomorphic filtering slices of each candid photograph image, the sub- equipment of the position overlapping is used for will be described
Multiple are captured the position of one or more homomorphic filterings slice of image respectively in the picture and overlap in an image, institute's rheme
It sets the sub- equipment of overlapping to connect with the sub- equipment of described image reception and the sub- equipment of image transmission respectively, described image sends sub- equipment and uses
In the transmission accumulated image one by one.
In the hearth soil level detection system, further includes:
Block-by-block processing equipment, between the porous candid photograph equipment and described image cutting equipment, for each
It captures image and executes processing to obtain corresponding block-by-block processing image, and image is captured into block-by-block processing image replacement and is sent to institute
State image cutting equipment.
In the hearth soil level detection system: the block-by-block processing equipment captures image for receiving, to described
The noise captured in image is analyzed to obtain the amplitude of various noises, determines the candid photograph figure based on the amplitude of various noises
The credit rating of picture is based on the credit rating distance when the credit rating is less than or equal to pre-determined lower limit credit rating
Far and near each piecemeal that the candid photograph image averaging is divided into corresponding block size of the pre-determined lower limit credit rating, to each
A piecemeal, the pixel value variance based on the piecemeal select the recursive filtering of corresponding different numbers to handle to obtain filtering piecemeal,
By each filtering piecemeal combination of acquisition to obtain block-by-block processing image, the block-by-block processing equipment is also used in described quality etc.
When grade is higher than pre-determined lower limit credit rating, to candid photograph image overall execution single recursive filtering processing to obtain block-by-block processing
Image；Pixel value variance based on the piecemeal selects the recursive filtering processing of corresponding different numbers to obtain filtering piecemeal packet
Include: to each piecemeal, the pixel value variance of the piecemeal is smaller, and the recursive filtering number of processing of selection is more.
In the hearth soil level detection system: the block-by-block processing equipment is ROM type MCU chip in no piece, institute
State the external EPROM chip of ROM type MCU chip in no piece.
In addition, micro-control unit (MicrocontrollerUnit；MCU), also known as one chip microcomputer (Single
Chip Microcomputer) or single-chip microcontroller, it is central processing unit (Central Process Unit；CPU frequency)
Appropriate reduction is done with specification, and by memory (memory), counter (Timer), USB, A/D conversion, UART, PLC, DMA isoperimetric
Side interface or even LCD driving circuit all integrate the computer for forming chip-scale on a single chip, are different applications
Do various combination control.Such as mobile phone, PC periphery, remote controler, until automotive electronics, industrial stepper motor, robotic arm
Control etc., the figure of all visible MCU.
32 MCU can say it is the MCU market mainstream, single quotation between 1.5~4 dollars, working frequency mostly 100~
Between 350MHz, efficiency is executed more preferably, application type is also quite polynary.But 32 MCU can be because of operand and memory length
Increase, the program code length of identical function increases by 30~40% compared with 8/16bitMCU, this causes in embedded OTP/FlashROM
Depositing capacity cannot be too small, and the external pin number amount of chip explodes, and further limits to the cost cutting ability of 32bitMCU.
Using hearth soil level detection system of the invention, lack user when unattended for hearth in the prior art
The technical issues of concern, calculates the standard deviation of the form and aspect signal component value of each pixel in each image slice, based on described
The slice to be analyzed of the size selection high value of standard deviation；It is particularly critical, also utilize the hardware of the exhaust fume collecting hood of smoke exhaust ventilator
Resource is parsed and is judged to lower section hearth soil level, to avoid occurring oil body sprawling phenomenon in cooking, is kept simultaneously
Concern to hearth cleannes.
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 hearth soil level detection system, the system comprises:
The top of hearth is arranged in exhaust fume collecting hood, for shrouding the smog near hearth with to be absorbed and be discharged；
The top of exhaust fume collecting hood is arranged in bracket, is used to support the exhaust fume collecting hood；
Switch driving equipment, for when receiving single motor switching command, start a motor in exhaust fume collecting hood and its near
1 typhoon wheel to form single suction path；The switching driving equipment is also used to open when receiving bi-motor switching command
Two motors and 2 respectively neighbouring typhoon wheels in dynamic exhaust fume collecting hood are to form 2 suction paths；
Greasy dirt warning device, for moving about end by WIFI wireless communication link road direction when receiving greasy dirt alarm command
End sends hearth and clears up signal, is also used to when receiving greasy dirt normal instructions, stops attached by WIFI wireless communication link road direction
Nearly mobile terminal sends hearth and clears up signal；
Porous candid photograph equipment, is arranged in the bottom of exhaust fume collecting hood, for towards carrying out candid photograph operation below exhaust fume collecting hood, each hole
One candid photograph device of interior setting, for candid photograph operation is carried out in its visual field, the porous candid photograph equipment to export multiple and captures image；
Image cutting equipment is connect with the porous candid photograph equipment, for receiving multiple described candid photograph images, is obtained described each
The current resolution for capturing image is opened, average formula image is executed to each candid photograph image based on the current resolution and is cut
Point, to obtain and export corresponding each image slice；
Standard deviation identifies equipment, connect with described image cutting equipment, for receiving each image slice, to each figure
As slice calculates the standard deviation of form and aspect signal component value in the wherein space HSB of each pixel；
It is sliced output equipment, is connect with standard deviation identification equipment, for calculating each standard deviation of each image slice
Mean value, and the image slice using standard deviation more than the mean value exports in each candid photograph image as slice to be analyzed
One or more slices to be analyzed；
Homomorphic filtering equipment is connect with the slice output equipment, for it is one or more of it is to be analyzed slice respectively into
Row homomorphic filtering processing, to obtain corresponding one or more homomorphic filtering slices；
Slice superposition equipment, connect with the homomorphic filtering equipment, one or more corresponding for receiving each candid photograph image
Multiple described one or more homomorphic filterings for capturing image are sliced according to position respectively in the picture by a homomorphic filtering slice
It sets and overlaps in an image, to obtain accumulated image one by one；
Image integration equipment is connect with slice superposition equipment, and for receiving the accumulated image one by one, removal is described one by one
Each superposition image vegetarian refreshments in accumulated image, to obtain and export corresponding integral image；
Gamma correcting equipment is connect with described image integration equipment, for receiving the integral image, and has been integrated to described
Image executes live gamma correction processing, to obtain corresponding straightened up in place image, and exports the straightened up in place image；
Analyzing device is instructed, is connect respectively with the gamma correcting equipment and the greasy dirt warning device, for being based on greasy dirt
The parsing that luminance threshold and greasy dirt lower limit luminance threshold carry out greasy dirt pixel to the straightened up in place image is limited, and in greasy dirt picture
When the ratio that the quantity of vegetarian refreshments occupies the pixel quantity of the straightened up in place image transfinites, greasy dirt alarm command is issued, otherwise,
Issue greasy dirt normal instructions.
2. hearth soil level detection system as described in claim 1, it is characterised in that:
The standard deviation identification equipment includes space conversion unit, for calculating each pixel in each image slice
Form and aspect signal component value, luminance components value and saturation degree signal component value in the space HSB.
3. hearth soil level detection system as claimed in claim 2, it is characterised in that:
Described image cutting equipment, standard deviation identification equipment and the slice output equipment using VHDL language respectively by being set
The different field-programmable array chips of meter are realized.
4. hearth soil level detection system as claimed in claim 3, it is characterised in that:
The slice superposition equipment receives sub- equipment by image, position is overlapped sub- equipment and image sends sub- equipment and forms.
5. hearth soil level detection system as claimed in claim 4, it is characterised in that:
In slice superposition equipment, the slice superposition equipment is one or more corresponding for receiving each candid photograph image
A homomorphic filtering slice, the position are overlapped sub- equipment for cutting multiple described one or more homomorphic filterings for capturing image
The position of piece respectively in the picture overlaps in an image, and the position is overlapped sub- equipment and sets respectively with described image reception
Standby to connect with the sub- equipment of image transmission, described image sends sub- equipment for sending the accumulated image one by one.
6. hearth soil level detection system as claimed in claim 5, which is characterized in that the system also includes:
Block-by-block processing equipment, between the porous candid photograph equipment and described image cutting equipment, for being captured to each
Image executes processing to obtain corresponding block-by-block processing image, and image is captured in block-by-block processing image replacement and is sent to the figure
As cutting equipment.
7. hearth soil level detection system as claimed in claim 6, it is characterised in that:
The block-by-block processing equipment captures image for receiving, and is analyzed the noise in the candid photograph image various to obtain
The amplitude of noise determines the credit rating for capturing image based on the amplitude of various noises, be lower than in the credit rating or
When equal to pre-determined lower limit credit rating, the distance based on the credit rating apart from the pre-determined lower limit credit rating is grabbed described
Each piecemeal that image averaging is divided into corresponding block size is clapped, to each piecemeal, the pixel value variance selection based on the piecemeal
The recursive filtering of corresponding difference number is handled to obtain filtering piecemeal, combines each filtering piecemeal of acquisition to obtain block-by-block
Image is handled, the block-by-block processing equipment is also used to grab when the credit rating is higher than pre-determined lower limit credit rating to described
The processing of image overall execution single recursive filtering is clapped to obtain block-by-block processing image；Pixel value variance selection pair based on the piecemeal
The recursive filtering processing for the different numbers answered includes: to each piecemeal, the pixel value variance of the piecemeal to obtain filtering piecemeal
Smaller, the recursive filtering number of processing of selection is more.
8. hearth soil level detection system as claimed in claim 7, it is characterised in that:
The block-by-block processing equipment is ROM type MCU chip in no piece, the external EPROM chip of ROM type MCU chip in the no piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469000.0A CN109540916A (en) | 2018-12-04 | 2018-12-04 | Hearth soil level detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469000.0A CN109540916A (en) | 2018-12-04 | 2018-12-04 | Hearth soil level detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540916A true CN109540916A (en) | 2019-03-29 |
Family
ID=65853577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811469000.0A Withdrawn CN109540916A (en) | 2018-12-04 | 2018-12-04 | Hearth soil level detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630992A (en) * | 2019-06-11 | 2019-12-31 | 陈军 | Driving mechanism for field indicating lamp |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121906A (en) * | 2011-01-31 | 2011-07-13 | 无锡中星微电子有限公司 | Smoke detection system as well as intelligent control system and intelligent control method of range hood |
| CN106023158A (en) * | 2016-05-10 | 2016-10-12 | 浙江科技学院 | SD-OCT-image-based nacre layer defect identification method for fresh water non-nucleated pearl |
| CN106545908A (en) * | 2016-10-11 | 2017-03-29 | 广东美的厨房电器制造有限公司 | Kitchen range system and lampblack absorber |
| KR20170059085A (en) * | 2015-11-20 | 2017-05-30 | 정성길 | Apparatus of safety board on kitchen wall with displaying coocking time and sensing overheat and operating method thereof |
| CN108443927A (en) * | 2018-04-28 | 2018-08-24 | 深圳市赛亿科技开发有限公司 | A kind of intelligent fume exhauster |
| CN108734147A (en) * | 2018-05-29 | 2018-11-02 | 包仁妹 | Formula can be cooked without oil smoke dining table |
| CN108805881A (en) * | 2018-05-29 | 2018-11-13 | 周群 | Double layer rotating Table top type desk |
| CN108872245A (en) * | 2018-05-28 | 2018-11-23 | 李春莲 | A kind of intelligence dining table oily waste degradation method |
-
2018
- 2018-12-04 CN CN201811469000.0A patent/CN109540916A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121906A (en) * | 2011-01-31 | 2011-07-13 | 无锡中星微电子有限公司 | Smoke detection system as well as intelligent control system and intelligent control method of range hood |
| KR20170059085A (en) * | 2015-11-20 | 2017-05-30 | 정성길 | Apparatus of safety board on kitchen wall with displaying coocking time and sensing overheat and operating method thereof |
| CN106023158A (en) * | 2016-05-10 | 2016-10-12 | 浙江科技学院 | SD-OCT-image-based nacre layer defect identification method for fresh water non-nucleated pearl |
| CN106545908A (en) * | 2016-10-11 | 2017-03-29 | 广东美的厨房电器制造有限公司 | Kitchen range system and lampblack absorber |
| CN108443927A (en) * | 2018-04-28 | 2018-08-24 | 深圳市赛亿科技开发有限公司 | A kind of intelligent fume exhauster |
| CN108872245A (en) * | 2018-05-28 | 2018-11-23 | 李春莲 | A kind of intelligence dining table oily waste degradation method |
| CN108734147A (en) * | 2018-05-29 | 2018-11-02 | 包仁妹 | Formula can be cooked without oil smoke dining table |
| CN108805881A (en) * | 2018-05-29 | 2018-11-13 | 周群 | Double layer rotating Table top type desk |
Non-Patent Citations (2)
| Title |
|---|
| 姜涛: "《MCU智能仪器仪表设计》", 31 August 2013 * |
| 廖广军: "《公安数字影像处理与分析》", 31 March 2017 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630992A (en) * | 2019-06-11 | 2019-12-31 | 陈军 | Driving mechanism for field indicating lamp |
| CN110630992B (en) * | 2019-06-11 | 2021-03-05 | 永康市陌桐电子科技有限公司 | Driving mechanism for field indicating lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208886865U (en) | A kind of range hood | |
| CN108006736B (en) | Intelligent range hood and control method thereof | |
| CN104142288B (en) | A kind of device and detection method of oil smoke machine testing oil smoke concentration | |
| CN109307301A (en) | Circulating general type kitchen ventilator | |
| CN111142531B (en) | Cleaning robot control method based on household appliance linkage and cleaning robot | |
| CN109506262B (en) | Method for controlling rotating speed of fan of range hood | |
| CN109540916A (en) | Hearth soil level detection system | |
| CN107676838A (en) | Secondary system, the method and device of oil smoke induction system | |
| CN109579088B (en) | Oil body extraction mechanism of oil storage box | |
| CN203249295U (en) | Novel intelligent full-automatic range hood | |
| CN112546759B (en) | Intelligent home monitoring system based on Internet of things | |
| CN109595655A (en) | Automated decontamination formula kitchen ventilator | |
| CN110726162A (en) | Control method and control device for adjusting air quantity of range hood | |
| CN208579352U (en) | A kind of multifunctinoal health environment-friendly integrated kitchen stove | |
| CN207928283U (en) | The blower fan system and Household floor-sweeping machine of Household floor-sweeping machine | |
| CN109028239A (en) | Smoke collecting device and kitchen ventilator | |
| CN113719871A (en) | Range hood and control method thereof | |
| CN211204143U (en) | Fume exhaust fan | |
| CN112747350B (en) | Intelligent adjusting method and device for direct-current range hood | |
| CN209246187U (en) | Oil smoke pumping system and range hood | |
| CN113639291B (en) | Range hood and control method thereof | |
| CN208213907U (en) | A kind of smoke hood type purification integrated machine | |
| CN205450603U (en) | Multi -functional home automation thing networking controller | |
| CN209325882U (en) | Environment-friendly type enclosure | |
| CN210772381U (en) | Smoke machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190329 |