CN109346031A - Assist the wooden piano of formula that oils - Google Patents
Assist the wooden piano of formula that oils Download PDFInfo
- Publication number
- CN109346031A CN109346031A CN201811563082.5A CN201811563082A CN109346031A CN 109346031 A CN109346031 A CN 109346031A CN 201811563082 A CN201811563082 A CN 201811563082A CN 109346031 A CN109346031 A CN 109346031A
- Authority
- CN
- China
- Prior art keywords
- image
- piecemeal
- pin hole
- exposure
- string instrument
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- 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.)
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- 239000003921 oil Substances 0.000 title claims abstract description 50
- 238000003384 imaging method Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 238000012806 monitoring device Methods 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 59
- 238000001914 filtration Methods 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000012935 Averaging Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 abstract 1
- 239000002917 insecticide Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 2
- 241000723346 Cinnamomum camphora Species 0.000 description 2
- 229960000846 camphor Drugs 0.000 description 2
- 229930008380 camphor Natural products 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001553014 Myrsine salicina Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/16—Actions
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C1/00—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Abstract
The wooden piano of formula that oils is assisted the present invention relates to a kind of, it include: wooden piano main body, including peg, mallet, hammered string instrument, keyboard, string, soundboard, steel plate, Ma Qiao, pedal support and wooden shell, the mallet is arranged in the peg, the mallet is connect with the hammered string instrument, the lower section of the keyboard is arranged in the pedal support, the steel plate is arranged in the lower section of the soundboard and is located at the top of pedal, the hammered string instrument is connect with the keyboard, and the keyboard includes multiple push-button units；Fuel-servicing equipment is assisted, the side of the hammered string instrument is set, is connect with oil body monitoring device, when the quantity for the oil body pixel in hammered string instrument imaging region is lower than preset quantity threshold value, executes and the lubricant charging of the hammered string instrument is operated.By means of the invention it is possible to save labour turnover and lubricating oil cost while safeguarding hammered string instrument performance.
Description
Technical field
The present invention relates to wooden piano fields more particularly to a kind of auxiliary to oil the wooden piano of formula.
Background technique
Wooden piano is one of western classical music keyboard instrument, there is the laudatory title of " king of musical instrument ".By 88 keys
(52 white keys, 36 black keys) and metallic cord soundboard composition.The close Europe Christopher benefit of Italian bar Toro was in 1709
Piano is invented.
Piano range scope almost enumerates the whole musical sounds in Musical System from A0 (27.5Hz) to C8 (4186Hz),
It is the musical instrument that range is most wide other than pipe organ.Piano is commonly used to the performance such as solo, ensemble, accompaniment, composition and rehearsal sound
Pleasure is very convenient.Player is by affecting the gavel that enclose carpet inside piano, then tapping steel by the key on lower keyboard
Silk string makes a sound.Piano needs the nursing of timing, and the tone color to guarantee it is constant.
Summary of the invention
The technical issues of periodically manually oiling is needed in order to solve the hammered string instrument of current wooden piano, the present invention provides one
The wooden piano of formula that assists oiling is planted to extract hammered string instrument imaging region on the basis of targetedly image procossing, go forward side by side
One step judges the lubricating oil oil body distribution situation in the region, is added with executing auxiliary automatically when lubricating oil oil body is distributed insufficient
Oil processing effectively reduces the manual maintenance process to wooden piano equipment；Matching treatment equipment is introduced to determine benchmark exposure
The overexposure luminosity of image to present image overexposure luminosity ratio, and based on the numeric distribution range of the ratio determine to institute
The corresponding exposure processing strategie of present image is stated, to guarantee exposure treatment effect.
According to an aspect of the present invention, it provides a kind of auxiliary to oil the wooden piano of formula, the wooden piano includes:
Wooden piano main body, including peg, mallet, hammered string instrument, keyboard, string, soundboard, steel plate, Ma Qiao, pedal support and
Wooden shell.
More specifically, oiling in the wooden piano of formula in the auxiliary:
More specifically, oiling in the wooden piano of formula in the auxiliary: in the wooden piano main body, the mallet setting
In the peg, the mallet is connect with the hammered string instrument.
More specifically, oiling in the wooden piano of formula in the auxiliary: in the wooden piano main body, the pedal support
The lower section of the keyboard is set, and the steel plate is arranged in the lower section of the soundboard and is located at the top of pedal.
More specifically, oiling in the wooden piano of formula in the auxiliary: in the wooden piano main body, the hammered string instrument with
The keyboard connection, the keyboard includes multiple push-button units.
More specifically, oiling in the wooden piano of formula in the auxiliary, further includes:
Assist fuel-servicing equipment, the side of the hammered string instrument is set, connect with oil body monitoring device, be used for hammered string instrument at
When being lower than preset quantity threshold value as the quantity of the oil body pixel in region, executes and the lubricant charging of the hammered string instrument is grasped
Make；The auxiliary fuel-servicing equipment is also used to the quantity of the oil body pixel in the hammered string instrument imaging region optionally greater than described
When preset quantity threshold value, stop operating the lubricant charging of the hammered string instrument；Pin hole capture device is arranged in wooden piano master
In vivo, including lighting source and pinhole cameras, shown pinhole cameras is for carrying out figure to wooden piano body interior scene
As capture, to obtain corresponding pin hole capture image；Numerical value extract equipment is connect, for receiving with the pin hole capture device
The pin hole captures image, and the analysis of each Y-component value based on each composition pixel is executed to pin hole capture image,
With the overexposure luminosity of the determination pin hole capture image, also the benchmark exposure image is executed and is based on each composition pixel
Each Y-component value analysis, with the overexposure luminosity of the determination benchmark exposure image, the numerical value extract equipment further includes
Built-in RAM memory, for benchmark exposure image, the exposure of each region in the benchmark exposure image to be stored in advance
Degree is all within the scope of default exposure；Matching treatment equipment is connect with the numerical value extract equipment, is caught for receiving the pin hole
The overexposure luminosity of image and the overexposure luminosity of the benchmark exposure image are obtained, determines the overexposure of the benchmark exposure image
The ratio of the overexposure luminosity of the pin hole capture image is spent, and is determined based on the numeric distribution range of the ratio to the needle
The corresponding exposure processing strategie of hole capture image；In the matching treatment equipment, when the numeric distribution of the ratio exists
When between 0-0.25, determining is at multiple luminance proportion to the corresponding exposure processing strategie of pin hole capture image
Reason mode, when the numeric distribution of the ratio is between 0.25-0.75, what is determined captures the corresponding of image to the pin hole
Exposure processing strategie is luminance proportion tupe twice, when the numeric distribution of the ratio is between 0.75-1, really
Fixed is single luminance proportion tupe to the corresponding exposure processing strategie of pin hole capture image, and works as institute
When stating the numerical value of ratio more than or equal to 1, luminance proportionization processing is not executed to pin hole capture image；In the matching treatment
In equipment, after determining to the corresponding exposure processing strategie of pin hole capture image, handled using corresponding exposure
Strategy executes corresponding exposure to pin hole capture image and handles, to obtain exposure processing image；Hammered string instrument parsing is set
It is standby, it is connect with the matching treatment equipment, for being parsed from exposure processing image based on hammered string instrument imaging features
Hammered string instrument imaging region；Oil body monitoring device is connect with the hammered string instrument analyzing device, for receiving the hammered string instrument imaging area
Domain, and using pixel of the brightness value between lubricating oil oil body brightness range in the hammered string instrument imaging region as oil body pixel
Point.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the shape assumption diagram of the wooden piano of formula of being oiled according to the auxiliary shown in embodiment of the present invention.
Specific embodiment
The oil embodiment of the wooden piano of formula of auxiliary of the invention is described in detail below with reference to accompanying drawings.
The components such as the hammered string instrument system of wooden piano have used many full wool felt materials, and moth eats in order to prevent
Felt, mouse, which creeps into, to be stung bad parts in qin or does nest in qin, it is necessary to the insecticide of camphor ball etc is put in piano.By camphor
The insecticides such as ball are mounted in beanbag, are hung on the brandreth column cap on hammered string instrument both sides and between key and keyboard board,
And it regularly replaces.If do not used for a long time, sufficient insecticide and desiccant should be put in qin, pedal holes are blocked, and put on qin
Set.
In order to overcome above-mentioned deficiency, the present invention has built a kind of auxiliary and has oiled the wooden piano of formula, can effectively solve the problem that corresponding
The technical issues of.
Fig. 1 is the shape assumption diagram of the wooden piano of formula of being oiled according to the auxiliary shown in embodiment of the present invention, described wooden
Piano includes:
Wooden piano main body, including peg, mallet, hammered string instrument, keyboard, string, soundboard, steel plate, Ma Qiao, pedal support and
Wooden shell.
Then, the specific structure of the wooden piano of formula of continuing to oil to auxiliary of the invention is further detailed.
Oil in the wooden piano of formula in the auxiliary: in the wooden piano main body, the mallet is arranged in the string
On axis, the mallet is connect with the hammered string instrument.
Oil in the wooden piano of formula in the auxiliary: in the wooden piano main body, the pedal support is arranged in institute
The lower section of keyboard is stated, the steel plate is arranged in the lower section of the soundboard and is located at the top of pedal.
It oils in the wooden piano of formula in the auxiliary: in the wooden piano main body, the hammered string instrument and the keyboard
Connection, the keyboard includes multiple push-button units.
It oils in the wooden piano of formula in the auxiliary, further includes:
Assist fuel-servicing equipment, the side of the hammered string instrument is set, connect with oil body monitoring device, be used for hammered string instrument at
When being lower than preset quantity threshold value as the quantity of the oil body pixel in region, executes and the lubricant charging of the hammered string instrument is grasped
Make；
It is described auxiliary fuel-servicing equipment be also used to the oil body pixel in the hammered string instrument imaging region quantity be higher than etc.
When the preset quantity threshold value, stop operating the lubricant charging of the hammered string instrument；
Pin hole capture device is arranged in wooden piano main body, including lighting source and pinhole cameras, shown pin hole are taken the photograph
As head is used to capture image to wooden piano body interior scene progress image capture to obtain corresponding pin hole；
Numerical value extract equipment is connect with the pin hole capture device, for receiving the pin hole capture image, to the needle
Hole captures the analysis that image executes each Y-component value based on each composition pixel, with the determination pin hole capture image
Overexposure luminosity executes the analysis of each Y-component value based on each composition pixel, to the benchmark exposure image also with true
The overexposure luminosity of the fixed benchmark exposure image, the numerical value extract equipment further includes built-in RAM memory, for depositing in advance
Benchmark exposure image is stored up, the exposure of each region in the benchmark exposure image is all within the scope of default exposure；
Matching treatment equipment is connect with the numerical value extract equipment, for receiving the overexposure of the pin hole capture image
The overexposure luminosity of degree and the benchmark exposure image, determines that the overexposure luminosity of the benchmark exposure image is caught to the pin hole
The ratio of the overexposure luminosity of image is obtained, and pair to pin hole capture image is determined based on the numeric distribution range of the ratio
The exposure processing strategie answered；
In the matching treatment equipment, when the numeric distribution of the ratio is between 0-0.25, determine to described
The corresponding exposure processing strategie that pin hole captures image is multiple luminance proportion tupe, when the numerical value point of the ratio
When cloth is between 0.25-0.75, determining is brightness twice to the corresponding exposure processing strategie of pin hole capture image
Equalization processing mode, when the numeric distribution of the ratio is between 0.75-1, what is determined captures image to the pin hole
Corresponding exposure processing strategie is single luminance proportion tupe, and when the numerical value of the ratio is more than or equal to 1,
Luminance proportionization processing is not executed to pin hole capture image；
In the matching treatment equipment, the corresponding exposure processing strategie to pin hole capture image is being determined
Afterwards, it executes corresponding exposure to pin hole capture image using corresponding exposure processing strategie to handle, to be exposed
Degree processing image；
Hammered string instrument analyzing device is connect with the matching treatment equipment, for being based on hammered string instrument imaging features from the exposure
Hammered string instrument imaging region is parsed in luminosity processing image；
Oil body monitoring device is connect with the hammered string instrument analyzing device, for receiving the hammered string instrument imaging region, and will
Pixel of the brightness value between lubricating oil oil body brightness range is as oil body pixel in the hammered string instrument imaging region.
Oil in the wooden piano of formula in the auxiliary: the matching treatment equipment further includes exposure processing unit, exposure
Spend receiving unit and exposure comparing unit, the exposure processing unit, the exposure receiving unit and the exposure
The CPLD chip of different model is respectively adopted to realize in comparing unit.
It oils in the wooden piano of formula in the auxiliary, further includes:
Splicing equipment is arranged between the pin hole capture device and the numerical value extract equipment, for receiving
Pin hole capture image is stated, the distance based on pin hole capture mean picture brightness apart from the predetermined luminance range central value will
The pin hole capture image averaging is divided into each piecemeal of corresponding block size, to each piecemeal, the pixel based on the piecemeal
Value variance selects the homomorphic filtering of corresponding different numbers to handle to obtain filtering piecemeal, and each filtering piecemeal of acquisition is spliced
To obtain multiple filtering image, the average brightness also based on the multiple filtering image is apart from the predetermined luminance range central value
Distance the multiple filtering image is averagely divided into each piecemeal of relevant block size, to each piecemeal, be based on this point
The pixel value variance of block selects the median filter process of corresponding varying strength to obtain filtering piecemeal, by each filtering of acquisition
Piecemeal splicing to obtain variance processing image, and by variance processing image replace pin hole capture image be sent to it is described
Numerical value extract equipment；In the splicing equipment, the pin hole capture mean picture brightness is apart from the predetermined luminance model
The closer of central value is enclosed, by the relevant block that is divided into of pin hole capture image averaging is bigger and the multiple filtering image
Average brightness apart from the closer of the predetermined luminance range central value, the multiple filtering image is averagely divided into corresponding
Block is bigger；In the splicing equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, the homomorphism filter of selection
Wave number of processing is fewer, and to each piecemeal, the pixel value variance of the piecemeal is bigger, the median filter process of selection
Intensity is smaller.
Oil in the wooden piano of formula in the auxiliary: the splicing equipment includes image receiving unit, the first piecemeal
Processing unit, the second piecemeal processing unit and image output unit；
Wherein, described image receiving unit, the first piecemeal processing unit, described in the splicing equipment
Second piecemeal processing unit and described image output unit are sequentially connected.
It oils in the wooden piano of formula in the auxiliary: in the splicing equipment, the first piecemeal processing unit
The pin hole is caught for the distance based on pin hole capture mean picture brightness apart from the predetermined luminance range central value
Each piecemeal that image averaging is divided into corresponding block size is obtained, to each piecemeal, the pixel value variance selection based on the piecemeal
The homomorphic filtering of corresponding difference number is handled to obtain filtering piecemeal, by each filtering piecemeal splicing of acquisition to obtain repeatedly
Filtering image；
Wherein, in the splicing equipment, the second piecemeal processing unit is used for based on the multiple filtering figure
The multiple filtering image is averagely divided into accordingly by distance of the average brightness of picture apart from the predetermined luminance range central value
Each piecemeal of block size, to each piecemeal, the pixel value variance based on the piecemeal selects the intermediate value of corresponding varying strength
Filtering processing is to obtain filtering piecemeal, by each filtering piecemeal splicing of acquisition to obtain variance processing image.
In addition, the oil body monitoring device is dsp chip.The inside of the dsp chip Harvard separated using program and data
Structure has special hardware multiplier, pile line operation is widely used, and provides special DSP instruction, can be used to quick
Realize various digital signal processing algorithms.
According to the requirement of Digital Signal Processing, dsp chip generally has following some main features: (1) referring at one
Enable an achievable multiplication and a sub-addition in the period.(2) program and data space is separated, can simultaneously access instruction sum number
According to.(3) there is quick RAM in piece, can usually be accessed simultaneously in two pieces by independent data/address bus.(4) there is low overhead
Or without overhead loop and the hardware supported jumped.(5) quickly interrupt processing and Hardware I/O are supported.(6) have within the monocycle
Multiple hardware address generators of operation.(7) multiple operations can be executed parallel.(8) it supports pile line operation, makes fetching, translates
The operations such as code and execution can be with Overlapped Execution.
Oiled the wooden piano of formula using auxiliary of the invention, for wooden piano in the prior art hammered string instrument need it is regular
Manually the technical issues of oiling, on the basis of targetedly image procossing, hammered string instrument imaging region is extracted, goes forward side by side one
Step judges the lubricating oil oil body distribution situation in the region, is refueled with executing auxiliary automatically when lubricating oil oil body is distributed insufficient
Processing, effectively reduces the manual maintenance process to wooden piano equipment；Matching treatment equipment is introduced to determine benchmark exposure figure
The overexposure luminosity of picture to present image overexposure luminosity ratio, and based on the numeric distribution range of the ratio determine to described
The corresponding exposure processing strategie of present image, to guarantee exposure treatment effect；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 (9)
- The wooden piano of formula 1. a kind of auxiliary oils, the wooden piano include:Wooden piano main body, including peg, mallet, hammered string instrument, keyboard, string, soundboard, steel plate, Ma Qiao, pedal support and wooden Shell.
- The wooden piano of formula 2. auxiliary as described in claim 1 oils, it is characterised in that:In the wooden piano main body, the mallet is arranged in the peg, and the mallet is connect with the hammered string instrument.
- The wooden piano of formula 3. auxiliary as claimed in claim 2 oils, it is characterised in that:In the wooden piano main body, the lower section of the keyboard is arranged in the pedal support, and the steel plate is arranged described The lower section of soundboard and the top for being located at pedal.
- The wooden piano of formula 4. auxiliary as claimed in claim 3 oils, it is characterised in that:In the wooden piano main body, the hammered string instrument is connect with the keyboard, and the keyboard includes multiple push-button units.
- The wooden piano of formula 5. auxiliary as claimed in claim 4 oils, which is characterized in that the wooden piano further include:Fuel-servicing equipment is assisted, the side of the hammered string instrument is set, is connect with oil body monitoring device, in hammered string instrument imaging area When the quantity of oil body pixel in domain is lower than preset quantity threshold value, executes and the lubricant charging of the hammered string instrument is operated；The auxiliary fuel-servicing equipment is also used to the quantity of the oil body pixel in the hammered string instrument imaging region optionally greater than institute When stating preset quantity threshold value, stop operating the lubricant charging of the hammered string instrument；Pin hole capture device is arranged in wooden piano main body, including lighting source and pinhole cameras, shown pinhole cameras For carrying out image capture to wooden piano body interior scene, to obtain corresponding pin hole capture image；Numerical value extract equipment is connect with the pin hole capture device, for receiving the pin hole capture image, is caught to the pin hole The analysis that image executes each Y-component value based on each composition pixel is obtained, with the overexposure of the determination pin hole capture image Luminosity executes the analysis of each Y-component value based on each composition pixel, to the benchmark exposure image also to determine The overexposure luminosity of benchmark exposure image is stated, the numerical value extract equipment further includes built-in RAM memory, for base to be stored in advance Quasi- exposure image, the exposure of each region in the benchmark exposure image is all within the scope of default exposure；Matching treatment equipment is connect with the numerical value extract equipment, for receive pin hole capture image overexposure luminosity and The overexposure luminosity of the benchmark exposure image determines the overexposure luminosity of the benchmark exposure image to the pin hole capture figure The ratio of the overexposure luminosity of picture, and determined based on the numeric distribution range of the ratio to the corresponding of pin hole capture image Exposure processing strategie；In the matching treatment equipment, when the numeric distribution of the ratio is between 0-0.25, determine to the pin hole The corresponding exposure processing strategie for capturing image is multiple luminance proportion tupe, when the numeric distribution of the ratio exists When between 0.25-0.75, determining is luminance proportion twice to the corresponding exposure processing strategie of pin hole capture image Change tupe, when the numeric distribution of the ratio is between 0.75-1, what is determined captures the correspondence of image to the pin hole Exposure processing strategie be single luminance proportion tupe, and when the numerical value of the ratio be more than or equal to 1 when, it is not right The pin hole capture image executes luminance proportionization processing；In the matching treatment equipment, after determining to the corresponding exposure processing strategie of pin hole capture image, adopt It executes corresponding exposure to pin hole capture image with corresponding exposure processing strategie to handle, to obtain exposure processing Image；Hammered string instrument analyzing device is connect with the matching treatment equipment, for being based on hammered string instrument imaging features from the exposure Hammered string instrument imaging region is parsed in processing image；Oil body monitoring device is connect with the hammered string instrument analyzing device, for receiving the hammered string instrument imaging region, and will be described Pixel of the brightness value between lubricating oil oil body brightness range is as oil body pixel in hammered string instrument imaging region.
- The wooden piano of formula 6. auxiliary as claimed in claim 5 oils, it is characterised in that:The matching treatment equipment further includes exposure processing unit, exposure receiving unit and exposure comparing unit, described The CPLD core of different model is respectively adopted in exposure processing unit, the exposure receiving unit and the exposure comparing unit Piece is realized.
- The wooden piano of formula 7. auxiliary as claimed in claim 6 oils, which is characterized in that the wooden piano further include:Splicing equipment is arranged between the pin hole capture device and the numerical value extract equipment, for receiving the needle Hole captures image, and the distance based on pin hole capture mean picture brightness apart from the predetermined luminance range central value will be described Pin hole capture image averaging is divided into each piecemeal of corresponding block size, to each piecemeal, the pixel value side based on the piecemeal The homomorphic filtering of the corresponding different numbers of difference selection is handled to obtain filtering piecemeal, and each filtering piecemeal of acquisition is spliced to obtain Multiple filtering image is obtained, the average brightness also based on the multiple filtering image is apart from the remote of the predetermined luminance range central value The multiple filtering image is closely averagely divided into each piecemeal of relevant block size, to each piecemeal, based on the piecemeal Pixel value variance selects the median filter process of corresponding varying strength to obtain filtering piecemeal, by each filtering piecemeal of acquisition Variance processing image is replaced the pin hole capture image and is sent to the numerical value by splicing to obtain variance processing image Extract equipment；In the splicing equipment, the pin hole capture mean picture brightness is in the predetermined luminance range Center value it is closer, by the relevant block that is divided into of pin hole capture image averaging is bigger and the multiple filtering image it is flat Equal brightness gets over the relevant block that the multiple filtering image is averagely divided into apart from the closer of the predetermined luminance range central value Greatly；In the splicing equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, at the homomorphic filtering of selection The number of reason is fewer, and to each piecemeal, the pixel value variance of the piecemeal is bigger, the intensity of the median filter process of selection It is smaller.
- The wooden piano of formula 8. auxiliary as claimed in claim 7 oils, it is characterised in that:The splicing equipment includes image receiving unit, the first piecemeal processing unit, the second piecemeal processing unit and image Output unit；Wherein, in the splicing equipment, described image receiving unit, the first piecemeal processing unit, described second Piecemeal processing unit and described image output unit are sequentially connected.
- The wooden piano of formula 9. auxiliary as claimed in claim 8 oils, it is characterised in that:In the splicing equipment, the first piecemeal processing unit is used to capture mean picture brightness based on the pin hole Pin hole capture image averaging is divided into each of corresponding block size by far and near 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；Wherein, in the splicing equipment, the second piecemeal processing unit is used for based on the multiple filtering image The multiple filtering image is averagely divided into relevant block big by distance of the average brightness apart from the predetermined luminance range central value Small each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the median filtering of corresponding varying strength Processing is to obtain filtering piecemeal, by each filtering piecemeal splicing of acquisition to obtain variance processing image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563082.5A CN109346031A (en) | 2018-12-20 | 2018-12-20 | Assist the wooden piano of formula that oils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563082.5A CN109346031A (en) | 2018-12-20 | 2018-12-20 | Assist the wooden piano of formula that oils |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109346031A true CN109346031A (en) | 2019-02-15 |
Family
ID=65304646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563082.5A Withdrawn CN109346031A (en) | 2018-12-20 | 2018-12-20 | Assist the wooden piano of formula that oils |
Country Status (1)
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| CN (1) | CN109346031A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705015A (en) * | 2004-05-31 | 2005-12-07 | 陈海伦 | Location hole technique for machining piano |
| CN102750936A (en) * | 2012-07-31 | 2012-10-24 | 胡坤灵 | Piano allow and manufacture method thereof |
| CN105719627A (en) * | 2016-03-28 | 2016-06-29 | 广州艾茉森电子有限公司 | Novel digital piano and working method thereof |
| CN108714003A (en) * | 2018-05-27 | 2018-10-30 | 浠诲嘲 | The fixation desktop maintenance system measured based on gray scale |
-
2018
- 2018-12-20 CN CN201811563082.5A patent/CN109346031A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705015A (en) * | 2004-05-31 | 2005-12-07 | 陈海伦 | Location hole technique for machining piano |
| CN102750936A (en) * | 2012-07-31 | 2012-10-24 | 胡坤灵 | Piano allow and manufacture method thereof |
| CN105719627A (en) * | 2016-03-28 | 2016-06-29 | 广州艾茉森电子有限公司 | Novel digital piano and working method thereof |
| CN108714003A (en) * | 2018-05-27 | 2018-10-30 | 浠诲嘲 | The fixation desktop maintenance system measured based on gray scale |
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Application publication date: 20190215 |