CN106360941A - Method for locating fingernails and manicure equipment - Google Patents
Method for locating fingernails and manicure equipment Download PDFInfo
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- CN106360941A CN106360941A CN201611024764.XA CN201611024764A CN106360941A CN 106360941 A CN106360941 A CN 106360941A CN 201611024764 A CN201611024764 A CN 201611024764A CN 106360941 A CN106360941 A CN 106360941A
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- 210000004905 finger nail Anatomy 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000004807 localization Effects 0.000 claims abstract description 14
- 238000005457 optimization Methods 0.000 claims description 35
- 210000000282 nail Anatomy 0.000 claims description 25
- 238000004458 analytical method Methods 0.000 claims description 19
- 238000003384 imaging method Methods 0.000 claims description 16
- 238000007405 data analysis Methods 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D29/00—Manicuring or pedicuring implements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D29/00—Manicuring or pedicuring implements
- A45D2029/005—Printing or stamping devices for applying images or ornaments to nails
-
- 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
- G06T2207/10004—Still image; Photographic image
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
Abstract
The invention discloses a method for locating fingernails. The method comprises the steps of analyzing finger images obtained at the current moment to obtain pixel attribute data of pixel points of the finger images obtained at the current moment and establishing a corresponding pixel attribute data array according to the pixel attribute data; S11, conducting pixel attribute comparison between the pixel attribute data array and a preset reflective model array at the current time to obtain pixel attribute phase step data in the pixel attribute data array and pixel attribute phase step points which correspond to the pixel attribute phase step data; S12, obtaining pixel point coordinates which correspond to the pixel attribute phase step points, and processing the obtained pixel point coordinates on a display screen to form a localization frame of the fingernails. The invention also discloses manicure equipment. The method for locating the fingernails and the manicure equipment can locate the fingernails accurately and have good user experience.
Description
Technical field
The present invention relates to manicure technical field, more particularly, to a kind of fingernail localization method and nail art device.
Background technology
The method of the positioning first piece of existing nail art device is to be put in first piece by carrying the high-definition camera of light filling effect
Respectively photo is shot to colored drawing region with putting into behind colored drawing region before entering colored drawing region, then by corresponding software algorithm according to
Before putting into put into after captured photo carry out contrast process, identify before putting into put into after captured by photo become
Change region, finally using this region as first piece colored drawing region.
Existing this first piece positioning mode can only be compared according to the picture before putting into and after putting into and be positioned coloured silk
Paint region, localization method excessively simple it is impossible to effectively be positioned to the fingernail of human finger because when human finger puts in coloured silk
When painting region, at this moment will be using the whole human finger in the image that photographic head photographs as posting, therefore existing first
Piece positioning mode cannot effectively identify the fingernail of human finger, there is location misalignment to the fingernail of human finger,
Thus have impact on the experience of user.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of but have good use to human nails' accurate positioning
The fingernail localization method of family experience and nail art device.
To achieve these goals, one aspect of the present invention provides a kind of fingernail localization method, and it comprises the following steps:
S10, is analyzed to the finger-image of the current time getting, to obtain the pixel in the finger-image of described current time
The pixel property data of point, and corresponding pixel property array of data is set up according to described pixel property data；S11, will be described
The reflective model array of pixel property array of data and preset current time carries out pixel property and compares, and obtains described pixel and belongs to
Pixel property step data in property array of data, and obtain pixel property step corresponding with described pixel property step data
Point；Wherein, described reflective model array include image background regions in the finger-image of described current time, fingernail region and
Skin area each pixel property reference value of pixel in region and corresponding with described pixel property reference value current
The range of tolerable variance in moment, described pixel step point be fingernail region in the finger-image of described current time and skin area it
Between and described fingernail region and image background regions between step-like edge in pixel；S12, obtains described pixel and belongs to
Pixel point coordinates corresponding to property step point, the described pixel point coordinates getting is processed on a display screen and is formed as fingernail
Posting.
Further, after step s10, also include before step s11: s101, to described pixel property array of data
In each pixel property data carry out pixel attribute values analysis, to obtain the image back of the body in the finger-image of described current time
The pixel property reference value of the respective pixel in region of scene area, fingernail region and skin area, and obtain described fingernail area
The pixel property reference value of the pixel of the pixel in domain, the pixel of described skin area and described image background area
The range of tolerable variance of current time；S102, the range of tolerable variance according to described pixel property reference value and described current time is set up
Reflective model array.
Further, described pixel property data includes the red value of described pixel, green value, blue valve, transparency
Value and hue value one of them or more than one, described pixel property reference value includes the red value reference of described pixel
Value, green value reference value, blue valve reference value, transparence value reference value and hue value reference value one of or one with
On.
Further, after step s11, also include before step s12: s110, according to described pixel property step point
Generate corresponding step point array, coordinate difference value calculating carried out to the described pixel property step point in described step point array,
To obtain picture that is in described step point array and being in same a line or same row in the finger-image of described current time
Two described pixel property step points of the maximum absolute value of the difference of coordinate of plain attribute step point；S111, according to carrying out
After coordinate mathematic interpolation, accessed described pixel property step point generates the step point array optimizing, and according to described pixel
The step point array of attribute data array and described optimization obtains the range of tolerable variance of the current time after optimizing；S112, judges institute
Whether the range of tolerable variance stating current time is identical with the range of tolerable variance in a upper moment；S113, if so, obtains the step of described optimization
Described pixel property step point in point array, and execution step s12；S114, if it is not, then by described reflective model array
The range of tolerable variance in a described upper moment replaces with the range of tolerable variance of described current time, and return to step s10.
Further, also included before step s10: s7, according to image recognition technology by photographic head in current time institute
The finger-image of current time of imaging is contrasted in the start image of initial time imaging with described photographic head, to judge
Whether the finger-image of described current time is identical with described start image；Wherein, described photographic head became every the default time
As once；S8, when the finger-image judging described current time is identical with described start image, return to step s7；S9, when
When judging that the finger-image of described current time is different from described start image, automatic execution step s10.
Still further aspect of the present invention additionally provides a kind of nail art device, comprising: data acquisition module, for getting
The finger-image of current time be analyzed, to obtain the pixel property of the pixel in the finger-image of described current time
Data, and corresponding pixel property array of data is set up according to described pixel property data；Compare analysis module, for will be described
The reflective model array of pixel property array of data and preset current time carries out pixel property and compares, and obtains described pixel and belongs to
Pixel property step data in property array of data, and obtain pixel property step corresponding with described pixel property step data
Point；Wherein, described reflective model array include image background regions in the finger-image of described current time, fingernail region and
Skin area each pixel property reference value of pixel in region and corresponding with described pixel property reference value current
The range of tolerable variance in moment, described pixel step point be fingernail region in the finger-image of described current time and skin area it
Between and described fingernail region and image background regions between step-like edge in pixel；Fingernail locating module, is used for
Obtain the pixel point coordinates corresponding to described pixel property step point, the described pixel point coordinates getting is located on a display screen
Reason is formed as the posting of fingernail.
Further, described nail art device also includes: data analysis module, for described pixel property array of data
In each pixel property data carry out pixel attribute values analysis, to obtain the image back of the body in the finger-image of described current time
The picture of scene area, fingernail region and skin area each the pixel property reference value of pixel in region and described fingernail region
The pixel property reference value of the pixel of vegetarian refreshments, the pixel of described skin area and described image background area current when
The range of tolerable variance carved；Reflective pattern number sets up formwork erection block, for according to described pixel property reference value and described current time
Range of tolerable variance set up reflective model array.
Further, described pixel property data includes the red value of described pixel, green value, blue valve, transparency
Value and hue value one of them or more than one, described pixel property reference value includes the red value reference of described pixel
Value, green value reference value, blue valve reference value, transparence value reference value and hue value reference value one of or one with
On.
Further, described nail art device also includes: step point optimization module, for according to described pixel property step
Point generates corresponding step point array, carries out coordinate difference value meter to the described pixel property step point in described step point array
Calculate, to obtain in described step point array and to be in same a line or same row in the finger-image of described current time
Two described pixel property step points of the maximum absolute value of the difference of coordinate of pixel property step point；Range of tolerable variance optimizes mould
Block, for generating the step points optimizing according to accessed described pixel property step point after carrying out coordinate mathematic interpolation
Group, and the tolerance of the current time after optimizing is obtained according to the step point array of described pixel property array of data and described optimization
Scope；Judge module, whether the range of tolerable variance for judging described current time is identical with the range of tolerable variance in a upper moment；Obtain
Module, for if so, obtaining the described pixel property step point in the step point array of described optimization, and notifies described fingernail fixed
Position module；Replacement module, for if it is not, then replace with the range of tolerable variance in the described upper moment in described reflective model array
The range of tolerable variance of described current time, and notify described data acquisition module.
Further, described nail art device also includes: image comparison module, for being imaged according to image recognition technology
Finger-image and the described photographic head of the current time in current time imaging for the head is in the start image of initial time imaging
Contrasted, whether identical with described start image with the finger-image that judges described current time；Wherein, described photographic head is every
Every default time image once；First notification module, for working as the finger-image judging described current time and described
When beginning image is identical, notify described image contrast module；Second notification module, for when the finger judging described current time
When image is different from described start image, notify described data acquisition module.
Described fingernail localization method and described nail art device that the present invention provides, by the described current time getting
Finger-image carry out the pixel property analysis of pixel, to obtain the picture of the pixel in the finger-image of described current time
Plain attribute data, and corresponding pixel property array of data is set up according to described pixel property data, then described pixel is belonged to
Property array of data carries out comparing of pixel property with the reflective model array of preset described current time, to obtain described pixel
Pixel property step data in attribute data array, and obtain pixel property rank corresponding with described pixel property step data
Hop, then obtains the pixel point coordinates corresponding to described pixel property step point, finally sits the described pixel getting
It is marked on described display screen and process the described posting being formed as fingernail.Therefore, the present invention can identify described working as exactly
Fingernail region in the finger-image in front moment, such that it is able to position to fingernail exactly, and then improves making of user
With experience.
Brief description
In order to be illustrated more clearly that technical scheme, below by the accompanying drawing work to use required in embodiment
Simply introduce it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of fingernail localization method flow chart provided in an embodiment of the present invention；
Fig. 2 is a kind of nail art device structural representation provided in an embodiment of the present invention；
Fig. 3 is a kind of preferred nail art device structural representation provided in an embodiment of the present invention；
Fig. 4 is another kind of preferably nail art device structural representation provided in an embodiment of the present invention；
Fig. 5 is another kind of preferably nail art device structural representation provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, one aspect of the present invention provides a kind of fingernail localization method based on infrared technique, and it includes step
S10 is to step s12:
S10, is analyzed to the finger-image of the current time getting, to obtain the finger-image of described current time
In pixel pixel property data, and corresponding pixel property array of data is set up according to described pixel property data.
When getting the finger-image of described current time, pixel is carried out to the finger-image of described current time
Pixel property is analyzed, to obtain the described pixel property data of each of the finger-image of described current time pixel,
And corresponding pixel property array of data is set up according to described pixel property data.Wherein, described pixel property data includes institute
State red value, green value, blue valve, transparence value and the hue value of pixel；Described pixel property array of data is two dimension
Structure of arrays.It should be noted that the finger-image of described current time is the finger in current time to user by photographic head
Obtained from being imaged.
Wherein, described photographic head to the imaging process of human finger is: when the finger of human body puts into described photographic head
During areas imaging (drawing area for drawing fingernail of nail art device), described nail art device can control described photographic head to exist
Current time is taken pictures to human finger, thus obtaining the image of human finger, i.e. the finger-image of described current time.Cause
Skin for human finger has different reflecting rates from fingernail to light, and that is, the reflecting rate of fingernail can be higher than the reflecting rate of skin,
So in unit area fingernail enter into described photographic head light can than skin enter into described photographic head light many, therefore
Described photographic head is taken in the image coming, and the fingernail region of human finger can seem brighter than the skin area of human finger
Bright, fingernail region has different colors, the described current time that therefore described photographic head shoots out from skin area in addition
Finger-image in image background regions, fingernail region, skin area all there is different colors and brightness.Just because of it is described
Fingernail in the finger-image of current time, skin and image background have different characteristics of image it is possible to pass through to send out
Technical scheme in bright embodiment carries out graphical analyses to the finger-image of described current time, to draw described current time
Skin area in finger-image, fingernail region and image background regions.
S11, the reflective model array of described pixel property array of data and preset current time is carried out pixel property
Compare, obtain the pixel property step data in described pixel property array of data, and obtain and described pixel property step number
According to corresponding pixel property step point；Wherein, described reflective model array includes the figure in the finger-image of described current time
As the pixel property reference value of pixel in background area, fingernail region and skin area each region and with described pixel
Attribute reference is worth the range of tolerable variance of corresponding current time, and described pixel step point is in the finger-image of described current time
The pixel in step-like edge between fingernail region and skin area and between described fingernail region and image background regions
Point.
I.e. according to pixel property reference value (the i.e. picture of described fingernail region in the reflective model array of described current time
The pixel property reference value of vegetarian refreshments, the pixel property reference value of the pixel of described skin area and described image background area
Pixel pixel property reference value) and described current time range of tolerable variance (the i.e. pixel of described fingernail region
The range of tolerable variance of pixel property reference value, the pixel property reference value and described image back of the body of the pixel of described skin area
The range of tolerable variance of the pixel property reference value of the pixel of scene area) belong to the described pixel in described pixel property array of data
Property data carry out pixel attribute values comparison analysis, so can obtain out the described pixel in described pixel property array of data
Attribute step data, then obtains pixel property step point corresponding with described pixel property step data.It should be noted that
Described pixel property step data is for same a line in the described pixel property array of data of two-dimensional array structure or same
The larger pixel property data of the numerical value difference with adjacent pixel property data in row, in the same manner, with described pixel property rank
The jump corresponding described pixel property step point of data is same a line or same row in the finger-image of described current time
The pixel larger with the numerical value difference of the pixel property data of adjacent pixel, that is, described pixel step point is described current
Between described fingernail region in the finger-image in moment and described skin area and described fingernail region is carried on the back with described image
The pixel in step-like edge between scene area.
Wherein, described default reflective model array is to set up before step s11, and is according to described picture accordingly
The range of tolerable variance of plain attribute reference value and accordingly described current time is set up.I.e. it is preferable that described step s10 it
Afterwards, also include step s101 before step s11 to step s102:
S101, carries out pixel attribute values analysis to each the pixel property data in described pixel property array of data, with
Obtain image background regions in the finger-image of described current time, the fingernail region and skin area pixel each in region
The pixel property reference value of point, and obtain pixel, the pixel of described skin area and the described figure of described fingernail region
Range of tolerable variance as the current time of pixel property reference value of pixel of background area.
Because the pixel attribute values of each pixel in the described fingernail region in the finger-image of described current time
Each other difference less, that is, the pixel attribute values of each pixel in described fingernail region a span it
Interior, in the same manner, the pixel attribute values of each pixel of described image background area within a span, described skin
The pixel attribute values of each pixel in region are also within a span.Wherein, described span specifically represents
For each region (i.e. described fingernail region, described skin area and the described image back of the body in the finger-image of described current time
Scene area) pixel property reference value deduct the range of tolerable variance of pixel property reference value in this region obtained by numerical value and this area
The pixel property reference value in domain is plus this two number of the numerical value obtained by the range of tolerable variance of pixel property reference value in this region
The numerical intervals of value.And the pixel attribute values of pixel in described fingernail region, the pixel of described image background area
Pixel attribute values and described skin area pixel pixel attribute values different, so by described pixel belong to
Each pixel property data in property array of data carries out pixel attribute values analysis, can be with a specific pixel property reference
Value representing the numerical value of the pixel property data of each pixel in described fingernail region, simultaneously with a specific tolerance model
Enclose the numerical value difference condition of the pixel property data of each pixel to represent in described fingernail region.In the same manner, can be with
Another specific pixel property reference value is representing the number of the pixel property data of each pixel in described skin area
Value, to represent the pixel property data of each pixel in described skin area simultaneously with another certain tolerance scope
Numerical value difference condition；Each that can also represent in described image background area with another specific pixel property reference value
The numerical value of the pixel property data of pixel, to be represented in described image background area with another specific range of tolerable variance simultaneously
The pixel property data of each pixel numerical value difference condition.
Preferably, described pixel property data includes the red value of described pixel, green value, blue valve, transparence value
And hue value one of them or more than one, described pixel property reference value includes the red value reference of described pixel
Value, green value reference value, blue valve reference value, transparence value reference value and hue value reference value one of or one with
On.
Here, it should be noted that (obtaining out current time for the first time when first time carrying out pixel attribute values analysis
Finger-image, and corresponding pixel property array of data is set up according to the finger-image of described current time), tolerance at this moment
Scope is that basis carries out obtaining after pixel attribute values analysis to each the pixel property data in described pixel property array of data
Obtain；When carrying out second or second later pixel attribute values analysis (complete to position for the first time
Step s10 is returned to again to obtain new pixel property array of data, then execution step s11 after process) it is preferable that
At this moment the range of tolerable variance getting is range of tolerable variance (the tolerance model of the described current time after optimization of the current time after optimizing
The acquisition process enclosing refers to the first following preferred embodiment).
S102, sets up reflective pattern number according to the range of tolerable variance of described pixel property reference value and described current time
Group.
Here, providing an example in order to the description to step s101 and step s102: for example, when described pixel property
Reference value includes red value reference value, green value reference value, blue valve reference value and the transparence value reference of described pixel
Value, when described range of tolerable variance includes red reference value range of tolerable variance, green reference value range of tolerable variance, blue reference value range of tolerable variance
And transparency reference value range of tolerable variance, at this moment by entering to each the pixel property data in described pixel property array of data
The analysis of row pixel attribute values it can be deduced that the pixel property reference value of each pixel in described fingernail region be [0,0,0,
0], range of tolerable variance is [30,30,30,30]；The pixel property reference value of each pixel in described skin area be [50,
50,50,50], range of tolerable variance is [30,30,30,30]；The pixel property ginseng of each pixel in described image background area
Examining value is [100,100,100,100], and range of tolerable variance is [30,30,30,30].Wherein, each above-mentioned pixel property reference
Data in value is followed successively by red reference value, green reference value, blue reference value and transparency reference value from left to right, above-mentioned
Each range of tolerable variance in data be followed successively by from left to right red reference value range of tolerable variance, green reference value range of tolerable variance,
Blue reference value range of tolerable variance and transparency reference value range of tolerable variance.Then according to the described accordingly pixel getting above
The range of tolerable variance of the current time of attribute reference value and corresponding pixel property reference value sets up the reflective of described current time
Model array.
When the pixel attribute values of certain pixel in the finger-image of described current time are [90,90,90,90],
This pixel can be analyzed according to described reflective model array to fall in described image background area.
It should be noted that the quantity of above-mentioned numerical value and each group of data is only to facilitate the description of this invention
And for an example, protection scope of the present invention should not be limited with the quantity of above-mentioned numerical value and each group of data.
Additionally, with the corresponding range of tolerable variance of pixel property reference value of each pixel in described fingernail region and described skin region
The corresponding range of tolerable variance of pixel property reference value of each pixel in domain and with described figure ground region in each
The corresponding range of tolerable variance of pixel property reference value of pixel can be the same or different each other, and here does not do concrete limit
Fixed.
S12, obtains the pixel point coordinates corresponding to described pixel property step point, by the described pixel point coordinates getting
Process the posting being formed as fingernail on a display screen.
After getting described pixel step point, the pixel corresponding to described pixel property step point can be obtained out and sit
Mark, so can be luminous according to corresponding to described pixel point coordinates obtains out on described display screen with described pixel point coordinates
Pixel point coordinates, then shows to the pixel corresponding to the luminous pixel point coordinates of described display screen, finally permissible
A described posting showing is obtained on described display screen, wherein, it is (i.e. described fixed that fingernail is located at described positioning inframe
Position frame is expressed as the positioning region of fingernail, and described posting be according to the described pixel point coordinates obtaining on described display screen
One end to end curve (described curve can be dotted line can also be solid line) of handled formation.It is understood that
Described posting can also be an enclosed region being rendered to same color on described display screen.
In embodiments of the present invention, by the finger-image of the described current time getting is carried out with the pixel of pixel
Attributive analysiss, to obtain the pixel property data of the pixel in the finger-image of described current time, and according to described pixel
Attribute data sets up corresponding pixel property array of data, then that described pixel property array of data is described current with preset
The reflective model array in moment carries out the comparison of pixel property, to obtain the pixel property rank in described pixel property array of data
Jump data, and obtain pixel property step point corresponding with described pixel property step data, then obtain described pixel property
The described pixel point coordinates getting finally is processed on described display screen and is formed as by the pixel point coordinates corresponding to step point
The described posting of fingernail.Therefore, the present invention can identify the fingernail area in the finger-image of described current time exactly
Domain, such that it is able to position to fingernail exactly, and then improves the experience of user.
For the ease of the understanding to the embodiment of the present invention, here provides some preferred embodiments of the embodiment of the present invention:
The first preferred embodiment:
Also include step s110 to step s114 after step s11, before step s12:
S110, generates corresponding step point array according to described pixel property step point, in described step point array
Described pixel property step point carries out coordinate difference value calculating, in described step point array and in described current time to obtain
It is in two of the maximum absolute value of the difference of coordinate of pixel property step point of same a line or same row in finger-image
Described pixel property step point.
That is, after getting described pixel property step point, can be generated corresponding according to described pixel property step point
Described step point array；Because the described pixel property step point in described step point array is for the first time to described current time
Finger-image carry out image analysis processing and draw, so the quantity of the described pixel property step point drawing can compare
Many, i.e. step-like edge between described fingernail region and described skin area and described fingernail region and described image background area
The step-like edge in domain can be relatively wide, therefore influences whether the positioning precision to fingernail.So by described step point array
In described pixel property step point carry out coordinate difference value calculating, so can obtain in described step point array and described
It is in the absolute value of the difference of coordinate of pixel property step point of same a line or same row in the finger-image of current time
Two maximum described pixel property step points, you can to obtain out the step between described fingernail region and described skin area
The outmost pixel property in edge in the step-like edge of in shape edge and described fingernail region and described image background area
Step point, so according to the pixel coordinate getting described pixel property step point show on described display screen described fixed
The line thickness of position frame can be less, such that it is able to improve the positioning precision to fingernail.
S111, generates, according to accessed described pixel property step point after carrying out coordinate mathematic interpolation, the rank optimizing
Hop array, and the current time after optimizing is obtained according to the step point array of described pixel property array of data and described optimization
Range of tolerable variance.
After getting described pixel property step point after carrying out coordinate mathematic interpolation, can be belonged to according to described pixel
Property step point generate described optimization step point array, at this moment, the pixel property step point of step point array of described optimization
Quantity is than not few, the i.e. rank according to described optimization through the quantity of the pixel property step point of the described step point array optimizing
The coordinate of the described pixel property step point in hop array can draw the described posting of more accurately fingernail.Simultaneously
Can be acquired described current after optimization according to the step point array of described optimization and described pixel property array of data
The range of tolerable variance in moment.Wherein, the optimization process of the range of tolerable variance of described current time is: according to the pixel step of described optimization
The finger-image of point array and described current time obtain in the finger-image of described current time with described pixel step point
Adjacent pixel, wherein, in the posting that described pixel step point is formed, (i.e. described pixel does not belong to described pixel
The pixel property step point drawing in the last time)；Then described current time is obtained by described pixel property array of data
Pixel attribute values (the i.e. red value of pixel, blue valve, green value, the transparence value of each of finger-image pixel
Or hue value) with the pixel attribute values of described pixel property step point (the i.e. red value of pixel, blue valve, green value, thoroughly
Brightness value or hue value), then each described pixel step point is carried out pixel genus with the described pixel being adjacent
Property mathematic interpolation, for example, by the red value of each described pixel step point with the red value of described pixel that is adjacent
Carry out mathematic interpolation, draw the absolute value of the difference of both red values, and the difference of all of red value drawing is exhausted
Average computation is carried out to value, the meansigma methodss drawing are exactly the range of tolerable variance of the red value of pixel attribute values.In the same manner, can draw successively
The range of tolerable variance of the blue valve of pixel attribute values, green value range of tolerable variance, transparence value range of tolerable variance and hue value tolerance model
Enclose, then the range of tolerable variance as after optimize using the range of tolerable variance of the above-mentioned pixel property numerical value drawing.
S112, judged whether the range of tolerable variance of described current time is identical with the range of tolerable variance in a upper moment.
The range of tolerable variance of described current time after will optimizing and the range of tolerable variance being got with the last time are contrasted,
To judge whether both identical, so may determine that whether the range of tolerable variance that a moment gets is optimized, thus
Can judge according to this judged result that the range of tolerable variance according to a upper moment was built with corresponding described pixel property reference value
Whether the reflective model array of vertical described current time is optimized.
S113, if so, obtains the described pixel property step point in the step point array of described optimization, and execution step
s12.
That is, when the described range of tolerable variance after judging to optimize is identical with the range of tolerable variance that a upper moment gets, showed
Described range of tolerable variance after the described range of tolerable variance in a upper moment and optimization has been all optimized range of tolerable variance.At this moment
Execution step s12.
S114, if it is not, then replace with described working as by the range of tolerable variance in the described upper moment in described reflective model array
The range of tolerable variance in front moment, return to step s10.
The range of tolerable variance not phase getting with a upper moment when the range of tolerable variance of the described current time judged after optimization
Meanwhile, the described range of tolerable variance showing a upper moment is not optimized range of tolerable variance, i.e. the tolerance model according to a upper moment
Enclosing the described reflective model array set up with described pixel property reference value was not optimized (namely according to a upper moment
Described reflective model array and described pixel property data acquisition to described pixel property step point be not optimization yet
).At this moment, then the range of tolerable variance in the described upper moment in described reflective model array is replaced with the appearance of described current time
Difference scope, thus can the described pixel according to accessed by current time belong in return to step s10 and in execution step s11
Property reference value (include the picture of the pixel in the fingernail region in the finger-image of described current time that gets of current time
The picture of the pixel in the pixel property reference value of the pixel in plain attribute reference value, skin area and image background regions
Plain attribute reference value) set up new reflective model array with the range of tolerable variance of described current time after optimizing.
In the preferred embodiment, by according to accessed described pixel property rank after carrying out coordinate mathematic interpolation
Hop generates the step point array optimizing, and obtains the described current time after optimizing according to the step point array of described optimization
Range of tolerable variance, then the range of tolerable variance of the described current time after judging to optimize with the range of tolerable variance that gets of a moment
When different, the range of tolerable variance in the described upper moment in described reflective model array is replaced with the tolerance model of described current time
Enclose, repeat step s10 to step s112 to rejudge range of tolerable variance, until judge the range of tolerable variance of described current time with
When range of tolerable variance that a upper moment gets is identical, showed that the range of tolerable variance of described current time had been optimized, i.e. institute
The described pixel property step point stated in the step point array of optimization has been optimized, and at this moment execution step s12 can
To draw the posting of optimized fingernail according to the pixel point coordinates of optimized described pixel property step point, thus entering
One step improves the positioning precision to fingernail.
Second preferred embodiment:
Step s7 is also included to step s9 before step s10:
S7, according to image recognition technology by photographic head the finger-image of the current time in current time imaging with described
Photographic head is contrasted in the start image of initial time imaging, with judge the finger-image of described current time with described
Whether beginning image is identical；Wherein, described photographic head is every default time image once.
That is, after initial time is taken pictures and obtained described start image, described photographic head can be every default for described photographic head
Time interval carries out once photo taking to the object in its areas imaging, wherein, current time take pictures the image obtaining be described
The finger-image of current time.Then the finger-image of described current time and described start image are carried out gray processing respectively right
Carry out binaryzation afterwards again, then carry out image enhancement processing and denoising, to strengthen the finger-image to described current time
With the recognition effect of described start image, the finger-image of the described current time after denoising and described start image are entered respectively
Row image region segmentation, to obtain out each cut zone of finger-image of described current time and described start image
Pixel property feature (the i.e. red value of pixel, blue valve, green value, transparence value and/or the hue value of each cut zone
Deng), then the cut zone of the finger-image of described current time is contrasted with the cut zone of described start image one by one,
With judge the finger-image of described current time each cut zone pixel property feature whether with described start image phase
Whether the difference value between both pixel property features of corresponding cut zone is in default threshold value, if then can sentence
Break described current time finger-image identical with described start image, if otherwise may determine that the handss of described current time
Refer to image to differ with described start image.
S8, when the finger-image judging described current time is identical with described start image, return to step s7.
I.e. when the finger-image judging described current time is identical with described start image, show the finger of human body also
It is not put in the investigative range of described photographic head, at this moment return to step s7 allows described photographic head again its investigative range be entered
Row imaging.
S9, when the finger-image judging described current time is different from described start image, automatic execution step
s10.
I.e. when the finger-image judging described current time is different from described start image, show the finger of human body
Through putting in the investigative range of described photographic head, at this moment automatically execution step s10 to step s12, to complete fingernail is determined
Position process.
In the preferred embodiment, by according to image recognition technology by the finger-image of described current time with described
Whether beginning image is contrasted, identical with described start image with the finger-image that judges described current time, and is judging
When the finger-image of described current time is different from described start image, automatic execution step s10, so can realize to human body
Fingernail the function being automatically positioned, need not manually the position fixing process of fingernail excessively be intervened, thus improve the use of user
Experience.
Refer to Fig. 2, still further aspect of the present invention additionally provides a kind of nail art device based on infrared technique, comprising:
Data acquisition module 10, for being analyzed to the finger-image of the current time getting, to obtain described current time
The pixel property data of the pixel in finger-image, and corresponding pixel property data is set up according to described pixel property data
Array；Compare analysis module 11, for by the reflective model array of described pixel property array of data and preset current time
Carry out pixel property comparison, obtain the pixel property step data in described pixel property array of data, and obtain and described picture
The corresponding pixel property step point of plain attribute step data；Wherein, described reflective model array includes the handss of described current time
Refer to the pixel property reference value of image background regions in image, the fingernail region and skin area pixel each in region with
And the range of tolerable variance of current time corresponding with described pixel property reference value, described pixel step point is described current time
Step-like between fingernail region in finger-image and skin area and between described fingernail region and image background regions
Pixel in edge；Fingernail locating module 12, for obtaining the pixel point coordinates corresponding to described pixel property step point, will
The described pixel point coordinates getting processes the posting being formed as fingernail on a display screen.
Preferably, refer to Fig. 3, described nail art device also includes: data analysis module 101, for belonging to described pixel
Each pixel property data in property array of data carries out pixel attribute values analysis, to obtain the finger-image of described current time
In image background regions, the fingernail region and skin area each pixel property reference value of pixel in region and described finger
The pixel property reference of the pixel of the pixel in first region, the pixel of described skin area and described image background area
The range of tolerable variance of the current time of value；Reflective pattern number sets up formwork erection block 102, for according to described pixel property reference value and
The range of tolerable variance of described current time sets up reflective model array.
Preferably, described pixel property data includes the red value of described pixel, green value, blue valve, transparence value
And hue value one of them or more than one, described pixel property reference value includes the red value reference of described pixel
Value, green value reference value, blue valve reference value, transparence value reference value and hue value reference value one of or one with
On.
In embodiments of the present invention, the finger figure to the described current time getting by described data acquisition module 10
As carrying out the pixel property analysis of pixel, to obtain the pixel property number of the pixel in the finger-image of described current time
According to, and corresponding pixel property array of data is set up according to described pixel property data；Then by described comparison analysis module
The reflective model array of described pixel property array of data and described current time is carried out comparing of pixel property by 11, to obtain
Pixel property step data in described pixel property array of data, and obtain picture corresponding with described pixel property step data
Plain attribute step point；Then obtain the pixel corresponding to described pixel property step point to sit by described fingernail locating module 12
Mark, and the described pixel point coordinates getting is processed the described posting being formed as fingernail on described display screen.Therefore, originally
Invention can identify the fingernail region in the finger-image of described current time exactly, such that it is able to enter to fingernail exactly
Row positioning, and then improve the experience of user.
For the ease of the understanding to the embodiment of the present invention, here provides some preferred embodiments of the embodiment of the present invention:
The first preferred embodiment:
Refer to Fig. 4, described is also included based on the nail art device of infrared technique: step point optimization module 110, for root
Generate corresponding step point array according to described pixel property step point, to the described pixel property step in described step point array
Point carries out coordinate difference value calculating, to obtain in described step point array and to be in same in the finger-image of described current time
Two described pixel property steps of the maximum absolute value of the difference of coordinate of pixel property step point of a line or same row
Point；Range of tolerable variance optimization module 111, for according to accessed described pixel property step after carrying out coordinate mathematic interpolation
Point generates the step point array optimizing, and is obtained excellent according to the step point array of described pixel property array of data and described optimization
The range of tolerable variance of the current time after change；Judge module 112, for judging the range of tolerable variance of described current time and a upper moment
Range of tolerable variance whether identical；If so, acquisition module 113, for obtaining the described pixel in the step point array of described optimization
Attribute step point, and notify described fingernail locating module；Replacement module 114, for if it is not, then by described reflective model array
The range of tolerable variance in a described upper moment replace with the range of tolerable variance of described current time, and notify described data acquisition module.
In the preferred embodiment, by described range of tolerable variance optimization module 111 according to after carrying out coordinate mathematic interpolation
Accessed described pixel property step point generates the step point array optimizing, and is obtained according to the step point array of described optimization
Take the range of tolerable variance of the described current time after optimization；Then judged in described judge module 112 by described replacement module 114
Go out the range of tolerable variance of described current time after optimizing different from the range of tolerable variance that a upper moment gets when, and will be described reflective
The range of tolerable variance in the described upper moment in model array replaces with the range of tolerable variance of described current time, repeats to notify data to obtain
Delivery block 10 to rejudge range of tolerable variance in subsequent process, until described judge module 112 judge current time obtain
To described range of tolerable variance identical with the range of tolerable variance that a upper moment gets when, show that described current tolerance scope has been
Optimize, i.e. described pixel property step point in the step point array of described optimization has been optimized, at this moment notifies
Described fingernail locating module 12 just can draw optimum according to the pixel point coordinates of optimized described pixel property step point
The posting of the fingernail changed, thus further increase the positioning precision to fingernail.
Second preferred embodiment:
Refer to Fig. 5, described is also included based on the nail art device of infrared technique: image comparison module 7, for according to figure
As technology of identification by photographic head the finger-image of the current time in current time imaging and described photographic head in initial time
Whether the start image of imaging is contrasted, identical with described start image with the finger-image that judges described current time；
Wherein, described photographic head is every default time image once；First notification module 8, judges described current time for working as
Finger-image identical with described start image when, notify described image contrast module；Second notification module 9, for when judgement
Go out described current time finger-image different from described start image when, notify described data acquisition module.
In the preferred embodiment, by described image contrast module 7 according to image recognition technology by described current time
Finger-image contrasted with described start image, with the finger-image judging described current time with described start image be
No identical, and when described second notification module 9 judges that the finger-image of described current time is different from described start image,
Notify described data acquisition module 10, so can realize the function being automatically positioned of the fingernail to human body, need not be manually to finger
The position fixing process of first is excessively intervened, thus improve the experience of user.
Above disclosed be only some preferred embodiments of the present invention, certainly the power of the present invention can not be limited with this
Sharp scope, one of ordinary skill in the art will appreciate that realize all or part of flow process of above-described embodiment, and according to present invention power
Profit requires made equivalent variations, still falls within the scope that invention is covered.
One of ordinary skill in the art will appreciate that realizing all or part of flow process in above-described embodiment method, it is permissible
Instruct related hardware to complete by computer program, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (read-only memory, rom) or random access memory (randomaccess
Memory, ram) etc..
Claims (10)
1. a kind of fingernail localization method is it is characterised in that comprise the following steps:
S10, is analyzed to the finger-image of the current time getting, to obtain in the finger-image of described current time
The pixel property data of pixel, and corresponding pixel property array of data is set up according to described pixel property data；
S11, the reflective model array of described pixel property array of data and preset current time is carried out pixel property and compares,
Obtain the pixel property step data in described pixel property array of data, and obtain corresponding with described pixel property step data
Pixel property step point；Wherein, described reflective model array includes the image background in the finger-image of described current time
Region, fingernail region and skin area each the pixel property reference value of pixel in region and with described pixel property ginseng
Examine the range of tolerable variance of the corresponding current time of value, described pixel step point is the fingernail area in the finger-image of described current time
The pixel in step-like edge between domain and skin area and between described fingernail region and image background regions；
S12, obtains the pixel point coordinates corresponding to described pixel property step point, by the described pixel point coordinates getting aobvious
The posting being formed as fingernail is processed on display screen.
2. fingernail localization method according to claim 1 is it is characterised in that go back after step s10, before step s11
Including:
S101, carries out pixel attribute values analysis to each the pixel property data in described pixel property array of data, to obtain
Image background regions in the finger-image of described current time, fingernail region and skin area each pixel in region
Pixel property reference value, and obtain pixel, the pixel of described skin area and the described image back of the body of described fingernail region
The range of tolerable variance of the current time of pixel property reference value of the pixel of scene area；
S102, sets up reflective model array according to the range of tolerable variance of described pixel property reference value and described current time.
3. fingernail localization method according to claim 2 is it is characterised in that described pixel property data includes described pixel
The red value of point, green value, blue valve, transparence value and hue value one of them or more than one, described pixel property
Reference value include the red value reference value of described pixel, green value reference value, blue valve reference value, transparence value reference value with
And hue value reference value one of them or more than one.
4. the fingernail localization method according to claims 1 to 3 any one is it is characterised in that after step s11, walk
Also include before rapid s12:
S110, generates corresponding step point array according to described pixel property step point, described in described step point array
Pixel property step point carries out coordinate difference value calculating, to obtain in the described step point array and finger in described current time
Described in two of the maximum absolute value of the difference of coordinate of pixel property step point being in same a line or same row in image
Pixel property step point；
S111, generates, according to accessed described pixel property step point after carrying out coordinate mathematic interpolation, the step point optimizing
Array, and the appearance of the current time after optimizing is obtained according to the step point array of described pixel property array of data and described optimization
Difference scope；
S112, judged whether the range of tolerable variance of described current time is identical with the range of tolerable variance in a upper moment；
S113, if so, obtains the described pixel property step point in the step point array of described optimization, and execution step s12；
S114, if it is not, when then the range of tolerable variance in the described upper moment in described reflective model array being replaced with described current
The range of tolerable variance carved, and return to step s10.
5. fingernail localization method according to claim 1 is it is characterised in that also included before step s10:
S7, the finger-image of the current time in current time imaging and the described shooting by photographic head according to image recognition technology
Head is contrasted in the start image of initial time imaging, to judge the finger-image of described current time and described initial figure
Seem no identical；Wherein, described photographic head is every default time image once；
S8, when the finger-image judging described current time is identical with described start image, return to step s7；
S9, when the finger-image judging described current time is different from described start image, automatic execution step s10.
6. a kind of nail art device is it is characterised in that include:
Data acquisition module, for being analyzed to the finger-image of the current time getting, to obtain described current time
Finger-image in pixel pixel property data, and corresponding pixel property number is set up according to described pixel property data
According to array；
Compare analysis module, for carrying out the reflective model array of described pixel property array of data and preset current time
Pixel property compares, and obtains the pixel property step data in described pixel property array of data, and obtains and described pixel genus
Property step data corresponding pixel property step point；Wherein, described reflective model array includes the finger figure of described current time
As in image background regions, fingernail region and skin area each the pixel property reference value of pixel in region and with
The range of tolerable variance of the corresponding current time of described pixel property reference value, described pixel step point is the finger of described current time
Step-like edge between fingernail region in image and skin area and between described fingernail region and image background regions
In pixel；
Fingernail locating module, for obtaining the pixel point coordinates corresponding to described pixel property step point, described in getting
Pixel point coordinates processes the posting being formed as fingernail on a display screen.
7. nail art device according to claim 6 is it is characterised in that also include:
Data analysis module, for carrying out pixel attribute values to each the pixel property data in described pixel property array of data
Analysis, to obtain the image background regions in the finger-image of described current time, fingernail region and skin area each region
The pixel property reference value of interior pixel and the pixel of described fingernail region, the pixel of described skin area and described
The range of tolerable variance of the current time of pixel property reference value of the pixel of image background regions；
Reflective pattern number sets up formwork erection block, for the range of tolerable variance according to described pixel property reference value and described current time
Set up reflective model array.
8. nail art device according to claim 7 is it is characterised in that described pixel property data includes described pixel
Red value, green value, blue valve, transparence value and hue value one of them or more than one, described pixel property reference
Value includes red value reference value, green value reference value, blue valve reference value, transparence value reference value and the color of described pixel
Mutually value reference value one of them or more than one.
9. the nail art device according to claim 6 to 8 any one is it is characterised in that also include:
Step point optimization module, for generating corresponding step point array according to described pixel property step point, to described step
Described pixel property step point in point array carries out coordinate difference value calculating, in described step point array and described to obtain
It is in the absolute value of the difference of coordinate of pixel property step point of same a line or same row in the finger-image of current time
Two maximum described pixel property step points；
Range of tolerable variance optimization module, for according to accessed described pixel property step point after carrying out coordinate mathematic interpolation
Generate the step point array optimizing, and optimization is obtained according to the step point array of described pixel property array of data and described optimization
The range of tolerable variance of current time afterwards；
Judge module, whether the range of tolerable variance for judging described current time is identical with the range of tolerable variance in a upper moment；
Acquisition module, for if so, obtaining the described pixel property step point in the step point array of described optimization, and notifies institute
State fingernail locating module；
Replacement module, for if it is not, then replace with institute by the range of tolerable variance in the described upper moment in described reflective model array
State the range of tolerable variance of current time, and notify described data acquisition module.
10. nail art device according to claim 6 is it is characterised in that also include:
Image comparison module, for according to image recognition technology by photographic head the current time in current time imaging finger
Image is contrasted in the start image of initial time imaging with described photographic head, to judge the finger figure of described current time
As whether identical with described start image；Wherein, described photographic head is every default time image once；
First notification module, for when the finger-image judging described current time is identical with described start image, notifying
Described image contrast module；
Second notification module, for when the finger-image judging described current time is different from described start image, notifying
Described data acquisition module.
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| CN108813899A (en) * | 2018-06-05 | 2018-11-16 | 北京玲珑百秀贸易有限公司 | A kind of manicure devices and methods therefor |
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| CN106360941B (en) | 2019-08-13 |
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