CN109580619A - Bathtub blocks alarm mechanism - Google Patents
Bathtub blocks alarm mechanism Download PDFInfo
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- CN109580619A CN109580619A CN201811466641.0A CN201811466641A CN109580619A CN 109580619 A CN109580619 A CN 109580619A CN 201811466641 A CN201811466641 A CN 201811466641A CN 109580619 A CN109580619 A CN 109580619A
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
- E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/22—Outlet devices mounted in basins, baths, or sinks
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Physics & Mathematics (AREA)
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- General Health & Medical Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The present invention relates to a kind of bathtubs to block alarm mechanism, comprising: the side of bathtub is arranged in touch control screen, provides interface for user's operation, is equipped with discharge water button and drain button in touch control screen；Cock of water drain receives the start command or discharge water of discharging water that touch control screen is sent and ceases and desist order to carry out the control that discharges water accordingly to discharge tube；Drainage switch, the draining start command or draining for receiving touch control screen transmission are ceased and desisted order to carry out corresponding draining to drainpipe and control；Range detection equipment carries out water body detection to multiple reference image blocks based on water body imaging features, with the water area and non-water area in the multiple reference image blocks of determination, and the area of water area is obtained distribution reference value divided by the area of non-water area；Frequency duplex communications equipment, when distribution reference value is more than limitation, wireless transmission blocking alarm signal.Through the invention, effective detection to bathtub stopping state is realized.
Description
Technical field
The present invention relates to Bath utensil fields more particularly to a kind of bathtub to block alarm mechanism.
Background technique
Bathtub is a kind of pipe device, is used for taking a shower or taking a shower, and usual device is in household bathroom.Modern bathtub is big
Mostly with polymethyl methacrylate (acrylic) or glass fibre manufacture, also have to wrap the steel of ceramics, wooden bathtub also existed gradually in recent years
China's Mainland is prevailing, mainly manufactures by substrate of the cedarwood of Sichuan province, thus is also Bai Chuan wooden barrel.
The steel or iron that bathtub is usually crossed by antirust treatment.All the time, most bathtub all belongs to rectangle, in recent years by
Bathtub processed is heated in polymethyl methacrylate gradually to popularize, and starts various bathtubs of different shapes occur.The most common color of bathtub is white,
Also there are other tones such as pink colour.Most bath bases all have water level, are also equipped on top and prevent that completely lets out removes water level.It is some
Hose is then mounted on bathtub marginal position.
Summary of the invention
Can not be from the technical issues of survey in order to solve current bathtub blockage, the present invention provides a kind of blockings of bathtub to report
Alert mechanism.
The present invention at least has following three important inventive points:
(1) the water body distribution in bathtub is estimated, to determine that bathtub blocks feelings based on estimation result intelligence
Condition；
(2) after carrying out duplicate removal processing to the pixel value of each image block, the most abundant multiple references of content can be got
Image block, particularly critical, the quantity of reference image block and the resolution of image are directly proportional；
(3) smooth target edges curve is obtained by curve adjustment, meanwhile, to after adjustment each noise of image it is each
The mean value of a amplitude is calculated, to select corresponding gaussian filtering to execute number based on calculated result.
According to an aspect of the present invention, a kind of bathtub blocking alarm mechanism is provided, the mechanism includes:
The side of bathtub is arranged in touch control screen, for providing interface for user's operation, sets in the touch control screen
Discharge water button and drain button.
More specifically, in bathtub blocking alarm mechanism, further includes:
Cock of water drain is connect with touch control screen and discharge tube respectively, is opened for receiving discharging water for touch control screen transmission
It moves order or discharges water and cease and desist order to carry out the control that discharges water accordingly to discharge tube.
More specifically, in bathtub blocking alarm mechanism, further includes:
Drainage switch is connect with touch control screen and drainpipe respectively, and the draining for receiving touch control screen transmission is opened
Dynamic order or draining are ceased and desisted order to carry out corresponding draining control to drainpipe.
More specifically, in bathtub blocking alarm mechanism, further includes:
The lower section of bathtub is arranged in pvc pipe body, for the discharge tube and the drainpipe to be packaged together；Dot matrix
The top of bathtub is arranged in video camera, dot matrix camera operation is carried out for the cylinder body to bathtub, to obtain corresponding instant cylinder body
Image, and export the instant cylinder body image；Luminance filtering equipment is connect with described array camera, for receive it is described i.e.
When cylinder body image, Luminance Distribution situation analysis is executed to the instant cylinder body image, and based on analysis result to the instant cylinder
Body image carries out corresponding filtering operation, to obtain luminance filtering image；Scene adjustment equipment, connects with the luminance filtering equipment
It connects, for receiving the luminance filtering image, each boundary curve of each target in the luminance filtering image is distinguished
Curve adjustment is executed, to reduce the protrusion that curvature on each boundary curve is more than limitation, obtains corresponding scene adjustment image；
Signal analysis equipment, with it is described scene adjustment equipment connect, for analyze it is described scene adjust image in each noise it is each
A amplitude, and the mean value of each amplitude of each noise is calculated, to obtain corresponding noise mean value；Selectivity processing is set
It is standby, it is connect with the signal analysis equipment, Gauss is executed to the scene adjustment image for determining based on the noise mean value
The number of filtering, to export multiple filtering image；Image block analytical equipment is connect, for connecing with the selective processing equipment
The multiple filtering image is received, the red green component i.e. L * component, black and white of each pixel in the multiple filtering image is parsed
Component, that is, A component and champac component, that is, B component, determine the total of the L * component in unit area image block after each pixel duplicate removal
Number determines the total of the A component in unit area image block after each pixel duplicate removal and determines in unit area image block
The sum of B component after each pixel duplicate removal；Image block processing equipment is connect with described image block analysis equipment, and being used for will
Sum, the sum of A component of the L * component of unit area image block are added with the sum of B component to obtain unit area image block
Aggregate-value, and using the most multiple unit area image blocks of aggregate-value as multiple reference image blocks, and export the multiple
Reference image block；The quantity of the reference image block of described image block processing equipment output and the resolution of the multiple filtering image
It is directly proportional；Range detection equipment is connect with described image block processing equipment, for being based on water body imaging features to the multiple ginseng
It examines image block and carries out water body detection, with the water area and non-water area in the multiple reference image block of determination, and will
The area of the water area is divided by the area of the non-water area to obtain distribution reference value；Frequency duplex communications equipment,
It is connect with the range detection equipment, for passing through frequency duplex communications chain road direction when the distribution reference value is more than limitation
The mobile terminal wireless transmission blocking alarm signal of bathtub holder；Wherein, the frequency duplex communications equipment is also used in institute
When stating distribution reference value and being less than limitation, the mobile terminal for passing through frequency duplex communications chain road direction bathtub holder transmits wirelessly shape
State normal signal；Wherein, described image block analysis equipment includes the sub- equipment of data receiver, the sub- equipment of parallel processing and data output
Sub- equipment, the sub- equipment of parallel processing export sub- equipment with the sub- equipment of the data receiver and the data respectively and connect.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the structural representation of the bathtub according to applied by the bathtub blocking alarm mechanism shown in embodiment of the present invention
Figure.
Specific embodiment
The embodiment of bathtub blocking alarm mechanism of the invention is described in detail below with reference to accompanying drawings.
Bathtub is divided by function: common bathtub and message bathtub.It is divided by shape: is bathed with skirt bathtub and without skirt
Cylinder.It is divided by material: cast iron enamel bathtub, enamelling sheet steel bathtub, glass reinforced plastic bathtub, artificial agate and artificial marble bath
Cylinder, terrazzo bathtub, wooden bathtub, ceramic bathtub etc..Now commonly use cast iron enamel bathtub, enamelling sheet steel bathtub and glass reinforced plastic bath
Cylinder.
The general full water capacity of bathtub is in 230~320L or so.Water will not have shoulder when balneation.Bathtub is too small, and people rolls up wherein
It is uncomfortable, it is excessive, have the unstable sense of floating.The height of water outlet determines the height of water capacity.If when toilet curtailment
The bathtub that width is larger or depth is deeper should be chosen, to guarantee that bathtub has sufficient water.
In addition to conventional bath, message bathtub nowadays can be much selected.Message bathtub divides spiral vortex type, bubble type, vortex gas
Three kinds of convolution of bubble, purchase when, should define.Whether the superiority and inferiority of bathtub material is primarily to see surface bright and clean, hand touch whether light
It is sliding.Especially for steel plate and cast iron bathtub, if enamel plates bad, surface will appear subtle ripple；The quality of material and
Thickness relationship be can't see to the solidness of bathtub with range estimation.Need with hand by, with foot step on examination, if any sagging feeling,
Just illustrate that hardness is inadequate.
In order to overcome above-mentioned deficiency, the present invention has built a kind of bathtub blocking alarm mechanism, can effectively solve the problem that corresponding
Technical problem.
Fig. 1 is the structural representation of the bathtub according to applied by the bathtub blocking alarm mechanism shown in embodiment of the present invention
Figure.Wherein, 1 is discharge outlet, and 2 be acrylic cylinder body, and 3 be tap.
The bathtub shown according to an embodiment of the present invention blocks alarm mechanism
The side of bathtub is arranged in touch control screen, for providing interface for user's operation, sets in the touch control screen
Discharge water button and drain button.
Then, continue that the specific structure of bathtub blocking alarm mechanism of the invention is further detailed.
In bathtub blocking alarm mechanism, further includes:
Cock of water drain is connect with touch control screen and discharge tube respectively, is opened for receiving discharging water for touch control screen transmission
It moves order or discharges water and cease and desist order to carry out the control that discharges water accordingly to discharge tube.
In bathtub blocking alarm mechanism, further includes:
Drainage switch is connect with touch control screen and drainpipe respectively, and the draining for receiving touch control screen transmission is opened
Dynamic order or draining are ceased and desisted order to carry out corresponding draining control to drainpipe.
In bathtub blocking alarm mechanism, further includes:
The lower section of bathtub is arranged in pvc pipe body, for the discharge tube and the drainpipe to be packaged together；
Point array camera, is arranged in the top of bathtub, dot matrix camera operation is carried out for the cylinder body to bathtub, with acquisition pair
The instant cylinder body image answered, and export the instant cylinder body image；
Luminance filtering equipment is connect with described array camera, for receiving the instant cylinder body image, to described instant
Cylinder body image executes Luminance Distribution situation analysis, and carries out corresponding filtering behaviour to the instant cylinder body image based on analysis result
Make, to obtain luminance filtering image；
Scene adjustment equipment, connect, for receiving the luminance filtering image, to described bright with the luminance filtering equipment
Each boundary curve of each target in degree filtering image executes curve adjustment respectively, to reduce curvature on each boundary curve
More than the protrusion of limitation, corresponding scene adjustment image is obtained；
Signal analysis equipment is connect with the scene adjustment equipment, each in the scene adjustment image for analyzing
Each amplitude of noise, and the mean value of each amplitude of each noise is calculated, to obtain corresponding noise mean value；
Selective processing equipment is connect with the signal analysis equipment, for being determined based on the noise mean value to described
Scene adjustment image executes the number of gaussian filtering, to export multiple filtering image；
Image block analytical equipment connect with the selective processing equipment, for receiving the multiple filtering image, parses
Red green component, that is, L * component, black and white component, that is, A component and the champac component of each pixel are in the multiple filtering image out
B component determines the sum of the L * component in unit area image block after each pixel duplicate removal, determines in unit area image block
B component in the total and determining unit area image block of A component after each pixel duplicate removal after each pixel duplicate removal
Sum；
Image block processing equipment is connect with described image block analysis equipment, for by the L * component of unit area image block
Sum, the sum of A component are added with the sum of B component to obtain the aggregate-value of unit area image block, and aggregate-value is most
Multiple unit area image blocks as multiple reference image blocks, and export the multiple reference image block；
Described image block processing equipment output reference image block quantity and the multiple filtering image resolution at
Direct ratio；
Range detection equipment is connect with described image block processing equipment, for being based on water body imaging features to the multiple
Reference image block carries out water body detection, with the water area and non-water area in the multiple reference image block of determination, and
By the area of the water area divided by the area of the non-water area to obtain distribution reference value；
Frequency duplex communications equipment is connect with the range detection equipment, for being more than limitation in the distribution reference value
When, pass through the mobile terminal wireless transmission blocking alarm signal of frequency duplex communications chain road direction bathtub holder；
Wherein, the frequency duplex communications equipment is also used to pass through frequency division when the distribution reference value is less than limitation
Duplex communication link transmits wirelessly state normal signal to the mobile terminal of bathtub holder；
Wherein, described image block analysis equipment includes the sub- equipment of data receiver, the sub- equipment of parallel processing and data output
Equipment, the sub- equipment of parallel processing export sub- equipment with the sub- equipment of the data receiver and the data respectively and connect.
In bathtub blocking alarm mechanism: in the selective processing equipment, the noise mean value is bigger, determines
The number for executing gaussian filtering to the scene adjustment image is more.
In bathtub blocking alarm mechanism: the scene adjustment equipment further includes edge detection unit and curvature estimation
Unit, the edge detection unit are used to detect each boundary curve of each target in the luminance filtering image.
In bathtub blocking alarm mechanism: the luminance filtering equipment is for receiving the instant cylinder body image, base
In distance of the instant cylinder body mean picture brightness apart from the predetermined luminance range central value by the instant cylinder body image
It is averagely divided into each piecemeal of relevant block size, to each piecemeal, the pixel value variance selection based on the piecemeal is corresponding
The homomorphic filtering of different numbers is handled to obtain filtering piecemeal, and each filtering piecemeal of acquisition is spliced to obtain multiple filtering figure
Picture, distance of the average brightness apart from the predetermined luminance range central value also based on the multiple filtering image will be described multiple
Filtering image is averagely divided into each piecemeal of relevant block size, to each piecemeal, the pixel value variance choosing based on the piecemeal
The median filter process of corresponding varying strength is selected to obtain filtering piecemeal, each filtering piecemeal of acquisition is spliced bright to obtain
Filtering image is spent, and exports the luminance filtering image；In the luminance filtering equipment, the instant cylinder body image averaging is bright
For degree apart from the closer of the predetermined luminance range central value, the relevant block that the instant cylinder body image averaging is divided into is bigger,
And the average brightness of the multiple filtering image is apart from the closer of the predetermined luminance range central value, by the multiple filtering
The relevant block that image averaging is divided into is bigger；In the luminance filtering equipment, to each piecemeal, the pixel value side of the piecemeal
Difference is bigger, and the homomorphic filtering number of processing of selection is fewer, and to each piecemeal, the pixel value variance of the piecemeal is bigger,
The intensity of the median filter process of selection is smaller.
In bathtub blocking alarm mechanism: the luminance filtering equipment includes image receiving unit, at the first piecemeal
Manage unit, the second piecemeal processing unit and image output unit；Wherein, in the luminance filtering equipment, described image is received
Unit, the first piecemeal processing unit, the second piecemeal processing unit and described image output unit are sequentially connected.
In bathtub blocking alarm mechanism: in the luminance filtering equipment, the first piecemeal processing unit is used
In the distance based on the instant cylinder body mean picture brightness apart from the predetermined luminance range central value by the instant cylinder body
Image averaging is divided into each piecemeal of corresponding block size, to each piecemeal, the pixel value variance selection pair based on the piecemeal
The homomorphic filtering for the different numbers answered is handled to obtain filtering piecemeal, and each filtering piecemeal of acquisition is spliced to obtain multiple filter
Wave image.
In bathtub blocking alarm mechanism: in the luminance filtering equipment, the second piecemeal processing unit is used
In distance of the average brightness based on the multiple filtering image apart from the predetermined luminance range central value by the multiple filter
Wave image averaging is divided into each piecemeal of corresponding block size, to each piecemeal, the pixel value variance selection based on the piecemeal
The median filter process of corresponding varying strength is spliced each filtering piecemeal of acquisition to obtain brightness with obtaining filtering piecemeal
Filtering image.
In addition, 4G LTE is the standard of a global general-use, including two kinds of network modes FDD and TDD, it is respectively used in pairs
Frequency spectrum and non-paired frequency spectrum.Operator's initially choice between two modes purely for spectrum availability the considerations of.Greatly
Multi-operator will dispose two kinds of networks simultaneously, so as to all frequency spectrum resources for making full use of it to possess.FDD and TDD are in technology
Very little, the main distinction are that using different duplex modes, frequency division duplex (FDD) and time division duplex (TDD) in fact for upper difference
It is two different duplex modes.
FDD is received and transmitted on two symmetrical frequency channels of separation, separated with protection frequency range reception and
Send channel.FDD must use pairs of frequency, carry out differentiating uplink and downlink link by frequency, unidirectional resource is in the time
On be continuous.FDD can make full use of the frequency spectrum of uplink and downlink when supporting symmetrical service, but when supporting non-symmetrical service, frequency
Spectrum utilization rate will substantially reduce.
TDD sends and receivees channel with the time to separate.In the mobile communication system of TDD mode, sending and receiving makes
Use the different time-gap of same frequency carrier wave as the carrying of channel, unidirectional resource is discontinuous, the time in time
Resource is distributed in two directions.Some period sends a signal to mobile station by base station, and the time in addition is by moving
Platform sends a signal to base station, must harmonious ability work well between base station and mobile station.
Alarm mechanism is blocked using bathtub of the invention, for lacking effective bathtub jam detection mechanism in the prior art
The technical issues of, by estimating the water body distribution in bathtub, to determine that bathtub is stifled based on estimation result intelligence
Fill in situation；After carrying out duplicate removal processing to the pixel value of each image block, the most abundant multiple reference pictures of content can be got
Block, particularly critical, the quantity of reference image block and the resolution of image are directly proportional；It is also obtained by curve adjustment smooth
Target edges curve, meanwhile, the mean value of each amplitude of each noise of image after adjustment is calculated, based on calculating knot
Fruit selects corresponding gaussian filtering to execute number；To solve above-mentioned technical problem.
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 (10)
1. a kind of bathtub blocks alarm mechanism, the mechanism includes:
The side of bathtub is arranged in touch control screen, for providing interface for user's operation, is equipped with and puts in the touch control screen
Water button and drain button.
2. bathtub as described in claim 1 blocks alarm mechanism, which is characterized in that the mechanism further include:
Cock of water drain is connect with touch control screen and discharge tube respectively, for receiving the starting life that discharges water of touch control screen transmission
It enables or discharges water and cease and desist order to carry out the control that discharges water accordingly to discharge tube.
3. bathtub as claimed in claim 2 blocks alarm mechanism, which is characterized in that the mechanism further include:
Drainage switch is connect with touch control screen and drainpipe respectively, for receiving the draining starting life of touch control screen transmission
It enables or draining is ceased and desisted order to carry out corresponding draining control to drainpipe.
4. bathtub as claimed in claim 3 blocks alarm mechanism, which is characterized in that the mechanism further include:
The lower section of bathtub is arranged in pvc pipe body, for the discharge tube and the drainpipe to be packaged together；
Point array camera, is arranged in the top of bathtub, carries out dot matrix camera operation for the cylinder body to bathtub, corresponding to obtain
Instant cylinder body image, and export the instant cylinder body image；
Luminance filtering equipment is connect with described array camera, for receiving the instant cylinder body image, to the instant cylinder body
Image executes Luminance Distribution situation analysis, and carries out corresponding filtering operation to the instant cylinder body image based on analysis result,
To obtain luminance filtering image；
Scene adjustment equipment, connect with the luminance filtering equipment, for receiving the luminance filtering image, filters to the brightness
Each boundary curve of each target in wave image executes curve adjustment respectively, is more than to reduce curvature on each boundary curve
The protrusion of limitation obtains corresponding scene adjustment image；
Signal analysis equipment is connect with the scene adjustment equipment, for analyzing each noise in the scene adjustment image
Each amplitude, and the mean value of each amplitude of each noise is calculated, to obtain corresponding noise mean value；
Selective processing equipment is connect with the signal analysis equipment, for being determined based on the noise mean value to the scene
The number that image executes gaussian filtering is adjusted, to export multiple filtering image；
Image block analytical equipment connect with the selective processing equipment, for receiving the multiple filtering image, parses institute
The red green component i.e. L * component of each pixel, black and white component i.e. A component and champac component i.e. B points are stated in multiple filtering image
Amount, determines the sum of the L * component in unit area image block after each pixel duplicate removal, determines each in unit area image block
A component after pixel duplicate removal total and determine the total of B component in unit area image block after each pixel duplicate removal
Number；
Image block processing equipment is connect with described image block analysis equipment, for by the total of the L * component of unit area image block
Number, the sum of A component are added to obtain the aggregate-value of unit area image block with the sum of B component, and aggregate-value is most
Multiple unit area image blocks export the multiple reference image block as multiple reference image blocks；
The quantity of the reference image block of described image block processing equipment output is directly proportional to the resolution of the multiple filtering image；
Range detection equipment is connect with described image block processing equipment, for being based on water body imaging features to the multiple reference
Image block carries out water body detection, with the water area and non-water area in the multiple reference image block of determination, and by institute
The area of water area is stated divided by the area of the non-water area to obtain distribution reference value；
Frequency duplex communications equipment is connect with the range detection equipment, for leading to when the distribution reference value is more than limitation
It crosses frequency duplex communications link and transmits wirelessly blocking alarm signal to the mobile terminal of bathtub holder；
Wherein, the frequency duplex communications equipment is also used to pass through frequency division duplex when the distribution reference value is less than limitation
Communication link transmits wirelessly state normal signal to the mobile terminal of bathtub holder；
Wherein, described image block analysis equipment includes that the sub- equipment of data receiver, the sub- equipment of parallel processing and data export sub- equipment,
The sub- equipment of parallel processing exports sub- equipment with the sub- equipment of the data receiver and the data respectively and connect.
5. bathtub as claimed in claim 4 blocks alarm mechanism, it is characterised in that:
In the selective processing equipment, the noise mean value is bigger, determines and executes Gauss filter to the scene adjustment image
The number of wave is more.
6. bathtub as claimed in claim 5 blocks alarm mechanism, it is characterised in that:
The scene adjustment equipment further includes edge detection unit and curvature estimation unit, and the edge detection unit is for detecting
Each boundary curve of each target in the luminance filtering image out.
7. bathtub as claimed in claim 6 blocks alarm mechanism, it is characterised in that:
The luminance filtering equipment is based on the instant cylinder body mean picture brightness distance for receiving the instant cylinder body image
The instant cylinder body image averaging is divided into each piecemeal of corresponding block size by the distance of the predetermined luminance range central value,
To each piecemeal, the pixel value variance based on the piecemeal selects the homomorphic filtering of corresponding different numbers to handle to be filtered
Piecemeal splices each filtering piecemeal of acquisition to obtain multiple filtering image, also being averaged based on the multiple filtering image
The multiple filtering image is averagely divided into relevant block size by distance of the brightness apart from the predetermined luminance range central value
Each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the median filter process of corresponding varying strength
Piecemeal is filtered to obtain, each filtering piecemeal of acquisition is spliced to obtain luminance filtering image, and export the luminance filtering
Image；In the luminance filtering equipment, the instant cylinder body mean picture brightness is apart from the predetermined luminance range central value
It is closer, the relevant block that the instant cylinder body image averaging is divided into is bigger and the multiple filtering image it is average bright
For degree apart from the closer of the predetermined luminance range central value, the relevant block that the multiple filtering image is averagely divided into is bigger；
In the luminance filtering equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, the homomorphic filtering processing of selection
Number is fewer, and to each piecemeal, the pixel value variance of the piecemeal is bigger, and the intensity of the median filter process of selection is got over
It is small.
8. bathtub as claimed in claim 7 blocks alarm mechanism, it is characterised in that:
The luminance filtering equipment includes image receiving unit, the first piecemeal processing unit, the second piecemeal processing unit and image
Output unit；
Wherein, in the luminance filtering equipment, described image receiving unit, the first piecemeal processing unit, described second
Piecemeal processing unit and described image output unit are sequentially connected.
9. bathtub as claimed in claim 8 blocks alarm mechanism, it is characterised in that:
In the luminance filtering equipment, the first piecemeal processing unit is used to be based on the instant cylinder body mean picture brightness
The instant cylinder body image averaging is divided into each of corresponding block size by the distance apart from the predetermined luminance range central value
Piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the homomorphic filtering of corresponding different numbers to handle to obtain
Piecemeal must be filtered, each filtering piecemeal of acquisition is spliced to obtain multiple filtering image.
10. bathtub as claimed in claim 9 blocks alarm mechanism, it is characterised in that:
In the luminance filtering equipment, the second piecemeal processing unit is for average bright based on the multiple filtering image
It spends the distance apart from the predetermined luminance range central value and the multiple filtering image is averagely divided into each of relevant block size
A piecemeal, to each piecemeal, the pixel value variance based on the piecemeal select the median filter process of corresponding varying strength with
Filtering piecemeal is obtained, each filtering piecemeal of acquisition is spliced to obtain luminance filtering image.
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| CN201811466641.0A CN109580619B (en) | 2018-12-03 | 2018-12-03 | Bathtub blocking alarm mechanism |
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| CN201811466641.0A CN109580619B (en) | 2018-12-03 | 2018-12-03 | Bathtub blocking alarm mechanism |
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Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2279561A (en) * | 1993-07-02 | 1995-01-11 | George Lambert | Overflow prevention device for bath,basin or sink |
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