CN106372608A - Object state change detection method, device and terminal - Google Patents
Object state change detection method, device and terminal Download PDFInfo
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- CN106372608A CN106372608A CN201610805050.6A CN201610805050A CN106372608A CN 106372608 A CN106372608 A CN 106372608A CN 201610805050 A CN201610805050 A CN 201610805050A CN 106372608 A CN106372608 A CN 106372608A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
Abstract
The invention discloses an object state change detection method, device and a terminal and relates to the data processing technology field. The method comprises steps that the image information of a detected object captured by a camera is acquired; a distance between each detection point of the detected object and each pixel corresponding to each detection point is determined according to the image information; whether a state of the detected object changes is determined according to the distance between each detection point of the detected object and each pixel corresponding to each detection point. Through the method, the distance between each detection point of the detected object and each pixel corresponding to each detection point is determined according to the image information, whether the state of the detected object changes is further determined, an object state change detection method in the prior art is optimized, and object state change detection can be simply, conveniently and accurately realized.
Description
Technical field
The present embodiments relate to data processing technique, more particularly, to a kind of detection method of object state change, device
And terminal.
Background technology
The state of object can be static can also be dynamic.For static object, generally its state occurs
Change is derived from the interference of external force.Usually, the change of stationary body state is typically people and goes sight by the eyes of oneself
Examine, or go to study carefully its essence by the equipment of specialty.
Inventor finds in the process realizing the present invention, goes observation can consume if existing method has following defects that by human eye
Take substantial amounts of manpower and time, and be difficult to exhaustive；And in living at ordinary times, be not generally that everybody possesses and has specialty
Equipment go the change of detection object state, and the object that the equipment of specialty often spends detection has specific requirement, and cost is relatively
Height, common object state detection in not being suitable for living, for example, whether the door of detection Pet house is opened, chest whether
It is opened or shift.
Content of the invention
Embodiments provide a kind of detection method of object state change, device and terminal, to realize object shape
The detection of state change.
In a first aspect, embodiments providing a kind of detection method of object state change, methods described includes:
Obtain the image information of the testee that photographic head is captured；
Determine each test point and each picture corresponding to described each test point of described testee according to described image information
The distance between vegetarian refreshments；
The distance between each pixel according to corresponding to described each test point and described each test point, determines described tested
Whether the state of object changes.
Further, described image information includes: the phase contrast in two parts pixel detection information of single pixel point；
Determine each test point and each picture corresponding to described each test point of described testee according to described image information
The distance between vegetarian refreshments includes:
According to described phase information, determine each test point of described testee with each corresponding to described each test point
The distance between pixel.
Further, between described each pixel according to corresponding to described each test point and described each test point away from
From, determine the state of described testee whether change including:
Obtain respectively and inscribe when inscribing with second when first, based on corresponding to described each test point and described each test point
The distance between each pixel, generation first apart from incidence matrix and second distance incidence matrix；
According to described first apart from incidence matrix and described second distance incidence matrix, determine the state of described testee
Whether change；
Wherein, described first moment and the time interval in described second moment are less than predetermined threshold value.
Further, described according to described first apart from incidence matrix and described second distance incidence matrix, determine described
The state of testee whether change including:
Choose each first from described first apart from incidence matrix apart from element；
Based on selection from described second distance incidence matrix for the identical selection principle with described first apart from element pair
The second distance element answered；
Each described first is compared with described second distance element apart from element；
Whether changed according to the state that comparison result determines described testee.
Further, described according to the state that comparison result determines described testee whether change including:
According to described first apart from element and described second distance element difference, determine described first apart from element and institute
State whether the corresponding test point of second distance element is non-linear point；
Determine whether the state of described testee changes according to described non-linear point.
Further, described according to described first apart from element and described second distance element difference, determine described
Whether one be that non-linear point includes apart from element test point corresponding with described second distance element:
Judge described difference whether in default range of error, if it is determined that described test point is Linear Points, if
No it is determined that described test point be non-linear point.
Further, whether the described state according to the described non-linear point described testee of determination changes and also wraps
Include:
If described non-linear point is continuous, and the area in the region being formed reaches preset area it is determined that described measured object
The state of body changes.
Further, also include after the state determining described testee changes:
If the state of described testee changes, user is pointed out.
Second aspect, the embodiment of the present invention additionally provides a kind of detection means of object state change, and described device includes:
Image information acquisition module, for obtaining the image information of the testee that photographic head is captured；
Apart from determining module, for determining each test point of described testee and described each inspection according to described image information
The distance between each pixel corresponding to measuring point；
State determining module, between each pixel according to corresponding to described each test point and described each test point
Distance, determines whether the state of described testee changes.
Further, described image information includes: the phase contrast in two parts pixel detection information of single pixel point；
Apart from determining module specifically for:
According to described phase information, determine each test point of described testee with each corresponding to described each test point
The distance between pixel.
Further, described state determining module includes:
Apart from incidence matrix signal generating unit, for inscribing when obtaining respectively and inscribing with second when first, based on described each
The distance between test point and each pixel corresponding to described each test point, generation first apart from incidence matrix and second away from
From incidence matrix；
Status determining unit, determines apart from incidence matrix and described second distance incidence matrix for according to described first
Whether the state of described testee changes；
Wherein, described first moment and the time interval in described second moment are less than predetermined threshold value.
Further, described object state determining unit includes:
First chooses subelement apart from element, for choosing each first apart from element from described first apart from incidence matrix；
Second distance element choose subelement, for based on identical selection principle from described second distance incidence matrix
Selection with described first apart from element corresponding second distance element；
Compare subelement, for each described first is compared with described second distance element apart from element；
State determination subelement, whether the state for determining described testee according to comparison result changes.
Further, described state determination subelement is used for:
Test point determination subelement, for according to described first apart from element and described second distance element difference, really
Whether fixed described first be non-linear point apart from element test point corresponding with described second distance element；
According to described non-linear point, state-detection subelement, for determining whether the state of described testee becomes
Change..
Further, described test point determination subelement specifically for:
Judge described difference whether in default range of error, if it is determined that described test point is Linear Points, if
No it is determined that described test point be non-linear point.
Further, described state-detection subelement specifically for:
If described non-linear point is continuous, and the area in the region being formed reaches preset area it is determined that described measured object
The state of body changes.
Further, described device is it is characterised in that also include:
Reminding module, after changing in the state determining described testee, if the shape of described testee
State changes, then user is pointed out.
The third aspect, the embodiment of the present invention additionally provides a kind of terminal, including the arbitrary described object of the embodiment of the present invention
The detection means of state change.
The technical scheme of the embodiment of the present invention, determines each detection of described testee by the image information of testee
Point is the distance between with each pixel corresponding to described each test point, and then whether the state of the described testee of determination occurs
Change, in conjunction with the position relationship between each test point of testee, takes into full account the architectural characteristic of testee, determines object shape
State changes, and optimizes the detection method of existing object state change, can be simple, convenient and realize object state exactly
The detection of change.
Brief description
In order to the technical scheme of exemplary embodiment of the present is clearly described, below to required in description embodiment
Accompanying drawing to be used does one and simply introduces.Obviously, the accompanying drawing introduced is the present invention a part of embodiment to be described
Accompanying drawing, rather than whole accompanying drawings, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawings according to these accompanying drawings.
A kind of flow chart of the detection method of object state change that Fig. 1 a is provided by the embodiment of the present invention one；
The each test point of a kind of object that Fig. 1 b is provided by the embodiment of the present invention one and the distance between corresponding pixel points
Detects schematic diagram；
A kind of flow chart of the detection method of object state change that Fig. 2 is provided by the embodiment of the present invention two；
A kind of flow chart of the detection method of object state change that Fig. 3 is provided by the embodiment of the present invention three；
A kind of structure chart of the detection means of object state change that Fig. 4 is provided by the embodiment of the present invention four；
A kind of structure chart of the detection means of object state change that Fig. 5 is provided by the embodiment of the present invention five；
A kind of structure chart of terminal that Fig. 6 is provided by the embodiment of the present invention six；
The structure chart of the computer program of the detection for object state change that Fig. 7 provides for the embodiment of the present invention seven.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.May be appreciated
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for explanation
, for the ease of description, in accompanying drawing, illustrate only part related to the present invention rather than entire infrastructure.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The process described as flow chart or method.Although each step is described as the process of order, many of which by flow chart
Step can be implemented concurrently, concomitantly or simultaneously.Additionally, the order of each step can be rearranged.When its operation
When completing, described process can be terminated, it is also possible to have the additional step being not included in accompanying drawing.Described process is permissible
Corresponding to method, function, code, subroutine, subprogram etc..
Embodiment one
A kind of flow chart of the detection method of object state change that Fig. 1 a provides for the embodiment of the present invention one.As Fig. 1 a institute
Show, executing, this device can pass through hardware and/or software to the detection means that the method for the present embodiment can be changed by object state
Mode realize, and typically can be independent the configuration method of realizing the present embodiment in the user terminal.
The method of the present embodiment specifically includes:
The image information of the testee that s110, acquisition photographic head are captured.
Exemplarily, image information may include in the images such as pixel quantity, pixel interval and the phase contrast of image
The information of pixel.Alternatively, the image information obtaining the testee that photographic head is captured specifically mays include: acquisition shooting
The image of the testee that head is captured；Image letter corresponding with each profile point of described testee is obtained based on described image
Breath.Or, obtain the information of each pixel of testee that photographic head is captured.
If described photographic head is configured in terminal, described photographic head may include front-facing camera or post-positioned pick-up head.Optional
Ground, can be obtained the image information of the testee that photographic head is captured, can be specifically to open based on double image element detection sensor
With photographic head, obtain the image information of the testee that photographic head is captured in real time based on double image element detection sensor.Wherein,
Shown figure in the image preview interface of equipment that the image of the testee that photographic head is captured can be located with photographic head
The information of picture, and the information of the image of inframe of finding a view.Can certainly be that photographic head captures captured figure after testee
The information of picture.Using double image element detection sensor, single pixel can be divided into two, so work worked in coordination with by latter two photodiode
Make, realize the phase difference detection of focusing, and when shooting photo, respective picture signal is converged by two photodiodes again
Altogether, exported as a pixel, each pixel can be simultaneously used for photosensitive imaging or focusing, can effectively be carried
High image quality.
S120, according to corresponding to described image information determines each test point of described testee with described each test point
The distance between each pixel.
In the present embodiment, exemplarily, described image information includes: two parts pixel detection information of single pixel point
In phase contrast；Correspondingly, each test point of described testee and described each test point institute is determined according to described image information
The distance between corresponding each pixel includes: according to described phase information, determine each test point of described testee with
The distance between each pixel corresponding to described each test point.Can be specifically, according to current phase difference, and each pixel
With the distance between each test point of described testee (that is, testee distance) corresponding relation and phase contrast between, really
The distance between fixed each pixel and described testee.It is possible to further according to each pixel and described measured surface away from
Linear relationship between described phase information, determines described measured surface distance.Can be specifically, according to described phase place
Difference information, determines that measured surface distance includes: according at least two predeterminable ranges between each pixel and described testee,
And described phase information, determine the linear relationship between described predeterminable range and described phase information；According to described line
Sexual intercourse and the current phase information of described pixel, determine measured surface distance.Wherein, described phase information bag
Include: the phase information of the pixel corresponding to same test point of described each pixel..
For example, the pixel detection information (pixel detection, pd) being obtained based on double element sensors, in light
Road has different light-inletting quantities under tilting.Double element sensors imaging process middle mold intend eyes imaging, therefore, it can obtain
Take two parts pixel detection point information of same pixel, defocused before Jiao, phase contrast due to light-inletting quantity change it may occur that
Change..In plant produced, two known object distances, odis1, odis2 can be taken.Pixel in object distance is
During odis1, define the phase contrast that (pd pixel 1 pd pixel) is this pixel, pixel is odis2 in object distance
When, define the phase contrast that (pd pixel 3 pd pixel 2) is this pixel.If y is testee distance, x is phase contrast
Information, calculates the linear relationship y=between the distance between described photographic head and described testee and described phase information
ax+b.Phase contrast is (the pd pixel 1 pd pixel) that 1 expression object distance is during odis1；Phase contrast 2 represent object away from
From for (the pd pixel 3 pd pixel 2) during odis2, then, according to odis1=a* (phase contrast 1)+b；Odis2=a*
(phase contrast 2)+b, can obtain a, b value, determine between the distance between each pixel and described testee and phase contrast determination
Corresponding relation y=ax+b.The currently detected pd phase difference value of follow-up acquisition, you can according to y=ax+b, obtain object distance
y.
Or, according to corresponding to each test point and described each test point that described image information determines described testee
The distance between each pixel, can also include: detect the definition of described image during described camera focusing；Work as institute
State and when definition meets pre-conditioned, obtain the numerical value that motor issues；According to described issue numerical value determine described photographic head with described
The distance between testee.Wherein, according to described issue numerical value determine between described photographic head and described testee away from
From maing include:, current lens displacement is determined according to the described numerical value that issues；According to described current lens displacement, determine institute
State the distance between each test point of testee and each pixel corresponding to described each test point.
Specifically, issue numerical value described in described basis and determine that current lens displacement mays include: according to described photographic head
Module in predeterminable range between the nearly coke number, remote coke number, lens focus and photographic head and the object that prestore, determine to
Few two camera lens displacements corresponding with described predeterminable range；Ratio according to two described camera lens displacements and described
Issue numerical value, determine current lens displacement.
For example, first, the nearly coke number that prestores in the module according to described photographic head, remote coke number, lens focus
And predeterminable range 10cm and 500cm between photographic head and object, determine that with described predeterminable range be 10cm and 500cm respectively
When corresponding camera lens displacement.Can be specifically, according to formula y1=((efl*efl)/(10*10-efl)) * 1000 counts
Calculate photographic head and testee distance for camera lens movement during 10cm apart from y1；Similarly, according to formula y2=((efl*
Efl)/(500*10-efl)) * 1000 calculate photographic head and testee distance for camera lens movement during 500cm apart from y2；Enter
And, calculate the difference of camera lens displacement of two predeterminable ranges and the ratio l=(y of the difference of remote coke number and nearly coke number2-y1)/(x2-
x1)；Numerical value dac and (y-y are issued according to ratio l and motor1)/(dac-x1)=l calculates each corresponding camera lens of dac value and moves
Dynamic distance value y.
Wherein, y1Represent camera lens movement when photographic head and testee distance are for 10cm apart from lensshift；y2
Represent camera lens movement when photographic head and testee distance are for 10cm apart from lens shift；Efl represents focal length；x1Table
Show nearly coke number marco code；x2Represent remote coke number infinite code；Dac represents the numerical value that during focusing, motor issues.
In the present embodiment, because focal length is related to the curvature of lens, therefore can be provided by the module factory of filming apparatus；
Nearly coke number and remote coke number can eeprom (electrically erasable from the module of filming apparatus
Programmable read-only memory, EEPROM) middle reading.
Then, camera lens displacement is calculated according to predeterminable range, set up between photographic head and described testee away from
From (the i.e. tested with a distance from) corresponding relation and camera lens displacement between, and then take the photograph according to current lens displacement determines
As the distance between head and described testee.When exemplarily, known to current lens moving distance value y, can be according to focal length
And current lens displacement and formula (efl*efl)/(z*10-efl)=y/1000, determine photographic head and described quilt
Survey the distance between object z.It is understood that when user is shot using mobile terminal, can be according to photographic head and institute
State the distance between the distance between testee approximate determination mobile terminal and described testee.
Further, it is also possible to shoot the modes such as the depth of field of big image according to dual camera, determine each inspection of described testee
The distance between measuring point and each pixel corresponding to described each test point.
Exemplarily, as shown in Figure 1 b, the object of triangle shape dress, after lens, is imaged on a sensor.In this enforcement
In example, can with ddis1, ddis2 and od represent respectively test point a, b, c of described testee respectively with described each test point
The distance between corresponding each pixel.Wherein, corresponding pixel is expressed as f to a test point in the picture；B test point exists
In image, corresponding pixel is expressed as e.Because the distance between lens and sensor are less, therefore test point a, c with described
The distance between measured surface ddis1, ddis2 can be approximately the length of af and be respectively.Specifically, photographic head can be obtained to be caught
The corresponding image information of each test point in the image of the testee grasped, is believed based on the pixel that double element sensors get
Breath, determines the distance between each test point and each pixel corresponding to described each test point.Wherein, ddis represents object center
Away from distance from the lens；Ddis1 represents the distance between test point a and lens of testee；Ddis2 represents testee
The distance between test point b and lens；Od represents the distance between test point c and lens of testee.
S130, according to the distance between each pixel corresponding to described each test point and described each test point, determine institute
Whether the state stating testee changes.
Exemplarily, the state change of object can include solid-state, liquid, the conversion between gaseous state, can also include thing
Change of the change of the face shaping of body, the change of object volume and/or object space etc., for example, chest is from the closed to the open
Or from opening to the process closing；Or the switch change of door, or big box is substituted for the change of etui；Or originally
The thing being placed on predeterminated position is moved out.
Specifically, the distance between each pixel according to corresponding to described each test point and described each test point, determines
Whether the state of described testee changes, can be according to not in the same time under, each test point and described each test point institute
Whether the distance between corresponding each pixel changes, and determines whether the state of described testee changes；Or,
According to the distance between each pixel corresponding to described each test point and described each test point, determine not in the same time under described quilt
Survey the size of object, according to the size of described testee, determine whether the state of described testee changes；According to institute
State the distance between each test point and each pixel corresponding to described each test point, determine not in the same time under described testee
Whether the state on surface changes；Whether changed according to the state on described testee surface, determine described measured object
Whether the state of body changes.
The technical scheme of the present embodiment, by the image information of testee determine each test point of described testee with
The distance between each pixel corresponding to described each test point, so determine described testee state whether become
Change, in conjunction with the position relationship between each test point of testee, take into full account the architectural characteristic of testee, determine object state
Change, optimizes the detection method of existing object state change, can be simple, convenient and realize object state exactly and become
The detection changed.
Embodiment two
The flow chart of the detection method of the object state change that Fig. 2 provides for the embodiment of the present invention two, as shown in Fig. 2 this
On the basis of the various embodiments described above, optional be described according to corresponding to described each test point is with described each test point to embodiment
The distance between each pixel, determine the state of described testee whether change including: obtain respectively in the first moment
Inscribe when down with second, based on the distance between each pixel corresponding to described each test point and described each test point, generate
First apart from incidence matrix and second distance incidence matrix；Close with described second distance apart from incidence matrix according to described first
Connection matrix, determines whether the state of described testee changes；Wherein, described first moment and described second moment when
Between interval be less than predetermined threshold value.
The method of the present embodiment specifically includes:
The image information of the testee that s210, acquisition photographic head are captured.
S220, according to corresponding to described image information determines each test point of described testee with described each test point
The distance between each pixel.
S230, obtain respectively and inscribe when inscribing with second when first, based on described each test point and described each test point
The distance between corresponding each pixel, generation first apart from incidence matrix and second distance incidence matrix；Wherein, described
First moment was less than predetermined threshold value with the time interval in described second moment.
Specifically, between inscribing when first based on each pixel corresponding to described each test point and described each test point
Distance, generation first apart from incidence matrix；Inscribe when second, right with described each test point institute based on described each test point
The distance between each pixel answered, the second distance incidence matrix of generation.It should be understood that first apart from incidence matrix and
Element in two incidence matrix is the distance between described each test point and each pixel corresponding to described each test point, and the
One apart from incidence matrix with the second incidence matrix same position apart from element corresponding be object same test point or
Pixel.When having greatly changed at short notice in view of object, shadow may be produced to user or residing environment etc.
Ring, therefore, it can arrange described first moment with the time interval in described second moment less than predetermined threshold value.And, when first
Carve less with the time interval in described second moment, can effectively increase the frequency of detection, to find object more in time
The change of state.
S240, according to described first apart from incidence matrix and described second distance incidence matrix, determine described testee
State whether change.
Specifically, can be by the described first same position in incidence matrix with described second distance incidence matrix
Respectively compare one by one apart from element；Whether changed according to the state that comparison result determines described testee.Consider
When pixel is more, possible amount of calculation is excessive, and whether the state that can determine described testee with selected part pixel occurs
Change, therefore, according to described first apart from incidence matrix and described second distance incidence matrix, determines the shape of described testee
Whether state changes it is also possible that choosing each first apart from element from described first apart from incidence matrix；Based on identical choosing
Take selection from described second distance incidence matrix for the principle with described first apart from element corresponding second distance element；Will be each
Described first is compared with described second distance element apart from element；Determine the state of described testee according to comparison result
Whether change.
The technical scheme of the present embodiment, first inscribing during by first is apart from incidence matrix, and inscribes when second
Second distance incidence matrix, determines whether the state of described testee changes it may be determined that the state of object is second
When inscribe and be compared to whether the first moment changed, and by described each test point with corresponding to described each test point
The distance between each pixel, can accurately, easily determine whether the state of object changes.
Embodiment three
The flow chart of the detection method of the object state change that Fig. 3 provides for the embodiment of the present invention three, as shown in figure 3, this
Embodiment on the basis of the various embodiments described above, optional be described according to described first apart from incidence matrix and described second distance
Incidence matrix, determine the state of described testee whether change including: choose each apart from incidence matrix from described first
First apart from element；Based on selection from described second distance incidence matrix for the identical selection principle and described first distance element
The corresponding second distance element of element；Each described first is compared with described second distance element apart from element；According to comparison
Result determines whether the state of described testee changes.
Accordingly, the method for the present embodiment specifically includes:
The image information of the testee that s310, acquisition photographic head are captured.
S320, according to corresponding to described image information determines each test point of described testee with described each test point
The distance between each pixel.
S330, obtain respectively and inscribe when inscribing with second when first, based on described each test point and described each test point
The distance between corresponding each pixel, generation first apart from incidence matrix and second distance incidence matrix；Wherein, described
First moment was less than predetermined threshold value with the time interval in described second moment.
S340, choose each first apart from element apart from incidence matrix from described first.
In the present embodiment, user can be according to practical situation and the demand of itself, from described first apart from incidence matrix
Choose each first apart from element.Specifically, can be according to the construction featuress of object to be detected, and/or each detection of testee
Point position from described first choose apart from incidence matrix corresponding apart from element, as each first apart from element；Or, from
All in first incidence matrix choose each first apart from element according to the selection rule setting in element.Both can be from institute
State first apart from incidence matrix choose all of apart from element, as each first apart from element；Can also be according to default selection
Rule from described first apart from incidence matrix choose all of apart from element.Wherein, selection rule can be included apart from element
Position and/or quantity etc..
S350, based on selection from described second distance incidence matrix for the identical selection principle and described first distance element
The corresponding second distance element of element.
Wherein, include apart from element corresponding second distance element with described first: second distance element is in second distance
Position in incidence matrix, identical in the first position in incidence matrix apart from element with first；Or, second distance unit
Element pixel corresponding in second distance incidence matrix or the position of test point, associate in the first distance apart from element with first
In matrix, the position of corresponding pixel or test point is identical.
S360, each described first is compared with described second distance element apart from element.
It is understood that each described first compares apart from element and described second distance element is will be each described
First is compared with corresponding described second distance element apart from element, that is, inscribes when inscribing with first during by second,
The distance of each test point to corresponding pixel points is compared respectively.
S370, determine according to comparison result whether the state of described testee changes.
Specifically, can according to described first apart from element and described second distance element difference, determine described first
Whether it is non-linear point apart from element test point corresponding with described second distance element；According to described non-linear point determines
Whether the state of testee changes.
Described first is made difference it may be determined that going out described first distance element apart from element and described second distance element
Plain variable quantity and described second distance element between, is also assured that out that test point is inscribed when second, with respect to first
The variable quantity in moment, and then the variable quantity inscribed when being inscribed with respect to first when second according to test point, determine described
Whether one be non-linear point apart from element test point corresponding with described second distance element, that is, determine described first apart from element
Test point corresponding with described second distance element is Linear Points or non-linear point.
Specifically, described according to described first apart from element and described second distance element difference, determine described first
Whether it is that non-linear point may include that whether judge described difference apart from element test point corresponding with described second distance element
In default range of error, if it is determined that described test point is Linear Points, if not it is determined that described test point is non-thread
Property point.Wherein, the concrete numerical value of range of error can be set according to the actual requirements by user, and here is not specifically limited.
In view of there is small error, so that the result of detection is more accurate, user can be pre- according to practical situation
If an acceptable range of error, Linear Points in test point and non-linear point are more precisely determined, so that more accurate
Whether ground detection object state changes.
Exemplarily, determine whether the state of described testee changes according to described non-linear point, specifically permissible
It is that each test point according to described object is the result of Linear Points or non-linear point, count described non-linear point in total detection
Ratio in point, if ratio in total test point for the described non-linear point is more than default proportion threshold value it is determined that described quilt
The state surveying object changes.
Or, determine whether the state of described testee changes according to described non-linear point, specifically can also wrap
Include: if described non-linear point is continuous, and the area in the region being formed reaches preset area it is determined that the shape of described testee
State changes.
Exemplarily, judge described non-linear point whether continuously can according to the coordinate of non-linear point, or first away from
Position relationship in incidence matrix or second distance incidence matrix is judged, if the coordinate of each non-linear point, or
One position in incidence matrix or second distance incidence matrix is adjacent or region that can connect into one is then it is assumed that described state
Non-linear point is continuous.
Wherein, the area in the region being formed can be counted by calculus or other existing area computation methods
Calculate.Preset area is optional to be can be for preset ratio coefficient so that preset area is proportional to original area or concrete
Numerical value, user can be set according to the actual requirements, and here does not limit.
The technical scheme of the present embodiment, by inscribing when comparing and inscribing with second when first, each pixel is each with described
Whether the distance between test point and each pixel corresponding to described each test point change, and determine the state of described testee
Whether change, whether change to determine whether the state of object becomes by the state of each test point of object
Change, from local whether change judge overall whether change, whether more accurate can more efficiently determine the state of object
Change.
On the basis of above-described embodiment, also include after the state determining described testee changes: if institute
The state stating testee changes, then user is pointed out.For example, it is possible to alarm pair is sent by detection trigger equipment
User is pointed out, or can also be shaken by the terminal such as mobile phone of association, the mode such as jingle bell is pointed out to user.This
Sample setting is advantageous in that, user can pinpoint the problems according to prompting in time when the state of testee changes, and solves
Problem, gives full play to the effect of the state-detection of object, it is to avoid produce unnecessary loss, more intelligent, and more laminating is used
The actual demand at family.
Example IV
Fig. 4 show a kind of structure chart of the detection means of object state change of the embodiment of the present invention four offer, this dress
Put and can be realized by way of hardware and/or software, and typically can be independent configuration middle realization in the application end of user terminal
The method of the present embodiment.As shown in figure 4, the detection means of described object state change specifically includes: image information acquisition module
410th, apart from determining module 420 and state determining module 430.
Wherein, image information acquisition module 410, for obtaining the image information of the testee that photographic head is captured；
Apart from determining module 420, for determining each test point of described testee and described each test point according to described image information
The distance between corresponding each pixel；State determining module 430, for according to described each test point and described each test point
The distance between corresponding each pixel, determines whether the state of described testee changes.
The technical scheme of the present embodiment, by the image information of testee determine each test point of described testee with
The distance between each pixel corresponding to described each test point, so determine described testee state whether become
Change, in conjunction with the position relationship between each test point of testee, take into full account the architectural characteristic of testee, determine object state
Change, optimizes the detection method of existing object state change, can be simple, convenient and realize object state exactly and become
The detection changed.
Embodiment five
A kind of structure chart of the detection means of object state change that Fig. 5 provides for the embodiment of the present invention five, as Fig. 5 institute
Show, on the basis of above-described embodiment four, the detection means of this object state change includes: image information acquisition module 510, thing
Body is apart from determining module 520 and dimension of object determining module 530.
Wherein, described image information is optional is including phase contrast in two parts pixel detection information of single pixel point；
Accordingly, apart from determining module 520 specifically for: according to described phase information, determine each test point of described testee
The distance between with each pixel corresponding to described each test point.
On the basis of the various embodiments described above, described state determining module 530 includes: apart from incidence matrix signal generating unit and
Status determining unit.Wherein, apart from incidence matrix signal generating unit, for inscribing when obtaining respectively and inscribing with second when first,
Based on the distance between each pixel corresponding to described each test point and described each test point, the first distance association square of generation
Battle array and second distance incidence matrix；Status determining unit, for according to described first apart from incidence matrix and described second distance
Incidence matrix, determines whether the state of described testee changes；Wherein, described first moment and described second moment
Time interval is less than predetermined threshold value.
On the basis of the various embodiments described above, described object state determining unit includes: first chooses son list apart from element
Unit, second distance element choose subelement, compare subelement and state determination subelement.Wherein, first choose son apart from element
Unit, for choosing each first apart from element from described first apart from incidence matrix；Second distance element chooses subelement, is used for
Based on selection from described second distance incidence matrix for the identical selection principle with described first apart from element corresponding second
Apart from element；Compare subelement, for each described first is compared with described second distance element apart from element；State is true
Stator unit, whether the state for determining described testee according to comparison result changes.
On the basis of the various embodiments described above, described state determination subelement includes: test point determination subelement and state
Determination subelement.Wherein, test point determination subelement, for according to described first apart from element and described second distance element
Difference, determines whether described first be non-linear point apart from element test point corresponding with described second distance element；State is examined
Survey subelement, for determining whether the state of described testee changes according to described non-linear point.
On the basis of the various embodiments described above, described test point determination subelement specifically for:
Judge described difference whether in default range of error, if it is determined that described test point is Linear Points, if
No it is determined that described test point be non-linear point.
On the basis of the various embodiments described above, described state-detection subelement is used for:
If described non-linear point is continuous, and the area in the region being formed reaches preset area it is determined that described measured object
The state of body changes.
On the basis of the various embodiments described above, the detection means of described object state change also includes:
Reminding module 540, after changing in the state determining described testee, if described testee
State changes, then user is pointed out.
The embodiment of the present invention additionally provides a kind of terminal, and this terminal includes the object state described in any embodiment of the present invention
The detection means of change.Exemplary, in the present embodiment mobile terminal concretely mobile phone, panel computer and digital photographing
Machine etc. is configured with the terminal unit of shoot function.
The detection means of object state change providing in above-described embodiment and terminal can perform any embodiment of the present invention
The detection method of the object state change being provided, possesses the execution corresponding functional module of the method and beneficial effect.Not upper
State the ins and outs of detailed description in embodiment, can be found in the detection of the object state change that any embodiment of the present invention is provided
Method.
Embodiment six
The structure chart of the terminal that Fig. 6 provides for the embodiment of the present invention six.As shown in fig. 7, the terminal bag of the embodiment of the present invention
Include: memorizer 610, one or more processors 620 and one or more program 630.
Wherein, one or more of programs 630 execute above-described embodiment when being executed by one or more processors 620
In any one method.
The terminal of the embodiment of the present invention, by the image information of testee determine each test point of described testee with
The distance between each pixel corresponding to described each test point, so determine described testee state whether become
Change, in conjunction with the position relationship between each test point of testee, take into full account the architectural characteristic of testee, determine object state
Change, optimizes the detection method of existing object state change, can be simple, convenient and realize object state exactly and become
The detection changed..
Embodiment seven
The structure chart of the computer program of the detection for object state change that Fig. 7 provides for the embodiment of the present invention seven.
As shown in fig. 7, the computer program 710 of the detection for object state change of the embodiment of the present invention, letter can be included
Number bearing medium 720.Signal bearing medium 720 can include one or more instructions 730, and this instruction 730 is by for example
During reason device execution, processor can provide the function above in relation to Fig. 1-6 description.For example, instruction 730 may include that for obtaining
Take one or more instructions of the image information of testee that photographic head captured；For being determined according to described image information
One or more fingers of the distance between each test point of described testee and each pixel corresponding to described each test point
Order, and for the distance between each pixel according to corresponding to described each test point and described each test point, determine described
The one or more the instructions whether state of testee changes.Thus, for example, with reference to Fig. 4 and Fig. 5, object state becomes
The detection means changed can carry out one or more of step shown in Fig. 1 in response to instruction 730.
In some implementations, signal bearing medium 720 can include computer-readable medium 740, such as, but not limited to firmly
Disk drive, compact disk (cd), digital universal disc (dvd), number tape, memorizer etc..In some implementations, signal bearing medium
720 can include recordable media 750, such as, but not limited to memorizer, read/write (r/w) cd, r/w dvd etc..In some realizations
In, signal bearing medium 720 can include communication media 760, such as, but not limited to numeral and/or analogue communication medium (for example,
Optical fiber cable, waveguide, wired communications links, wireless communication link etc.).
The computer program of the embodiment of the present invention, obtains the image information of the testee that photographic head is captured；
Between each pixel according to corresponding to described image information determines each test point of described testee and described each test point
Distance；The distance between each pixel according to corresponding to described each test point and described each test point, determines described tested
Whether the state of object changes.The computer program of the present invention, is determined described by the image information of testee
The distance between each test point of testee and each pixel corresponding to described each test point, and then determine described measured object
Whether the state of body changes, and in conjunction with the position relationship between each test point of testee, takes into full account the knot of testee
Structure characteristic, determines that object state changes, optimizes the detection method of existing object state change, can simple, convenient and
Realize the detection of object state change exactly.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Mode by software plus necessary general hardware platform to be realized naturally it is also possible to pass through hardware.Based on such understanding, on
That states that technical scheme substantially contributes to prior art in other words partly can be embodied in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as rom/ram, magnetic disc, CD etc., including some fingers
Order is with so that a computer equipment (can be personal computer, server, or network equipment etc.) executes each enforcement
Example or some partly described methods of embodiment.
Finally it is noted that various embodiments above, only in order to technical scheme to be described, is not intended to limit；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that: its according to
So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Obviously, it will be understood by those skilled in the art that each module of the above-mentioned present invention or each step can be by as above
Described application end is implemented.Alternatively, the embodiment of the present invention can be realized with the executable program of computer installation, thus can
To be executed by processor with being stored in storage device, described program can be stored in a kind of computer-readable storage
In medium, storage medium mentioned above can be read only memory, disk or CD etc.；Or they are fabricated to respectively each
Individual integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module to realize.So,
The present invention is not restricted to the combination of any specific hardware and software.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (17)
1. a kind of detection method of object state change is it is characterised in that include:
Obtain the image information of the testee that photographic head is captured；
Determine each test point and each pixel corresponding to described each test point of described testee according to described image information
The distance between；
The distance between each pixel according to corresponding to described each test point and described each test point, determines described testee
State whether change.
2. method according to claim 1 is it is characterised in that described image information includes: two parts of single pixel point
Phase contrast in pixel detection information；
Determine each test point and each pixel corresponding to described each test point of described testee according to described image information
The distance between include:
According to described phase information, determine each test point of described testee and each pixel corresponding to described each test point
The distance between point.
3. method according to claim 1 it is characterised in that described according to described each test point and described each test point institute
The distance between corresponding each pixel, determine the state of described testee whether change including:
Obtain respectively and inscribe when inscribing with second when first, based on described each test point with each corresponding to described each test point
The distance between pixel, generation first apart from incidence matrix and second distance incidence matrix；
According to described first apart from incidence matrix and described second distance incidence matrix, whether determine the state of described testee
Change；
Wherein, described first moment and the time interval in described second moment are less than predetermined threshold value.
4. method according to claim 3 it is characterised in that described according to described first apart from incidence matrix and described the
Two apart from incidence matrix, determine the state of described testee whether change including:
Choose each first from described first apart from incidence matrix apart from element；
Corresponding apart from element with described first based on selection from described second distance incidence matrix for the identical selection principle
Second distance element；
Each described first is compared with described second distance element apart from element；
Whether changed according to the state that comparison result determines described testee.
5. method according to claim 4 is it is characterised in that the described shape determining described testee according to comparison result
State whether change including:
According to described first apart from element and described second distance element difference, determine described first apart from element and described the
Whether two be non-linear point apart from the corresponding test point of element；
Determine whether the state of described testee changes according to described non-linear point.
6. method according to claim 5 it is characterised in that described according to described first apart from element with described second away from
From the difference of element, determine whether described first be non-linear point apart from element test point corresponding with described second distance element
Including:
Judge described difference whether in default range of error, if it is determined that described test point is Linear Points, if it is not, then
Determine that described test point is non-linear point.
7. method according to claim 6 is it is characterised in that described determine described testee according to described non-linear point
State whether change including:
If described non-linear point is continuous, and the area in the region being formed reaches preset area it is determined that described testee
State changes.
8. according to the arbitrary described method of claim 1-7 it is characterised in that becoming in the state determining described testee
Also include after change:
If the state of described testee changes, user is pointed out.
9. a kind of detection means of object state change is it is characterised in that include:
Image information acquisition module, for obtaining the image information of the testee that photographic head is captured；
Apart from determining module, for determining each test point of described testee and described each test point according to described image information
The distance between corresponding each pixel；
State determining module, between each pixel according to corresponding to described each test point and described each test point away from
From determining whether the state of described testee changes.
10. device according to claim 8 is it is characterised in that described image information includes: two parts of single pixel point
Phase contrast in pixel detection information；
Apart from determining module specifically for:
According to described phase information, determine each test point of described testee and each pixel corresponding to described each test point
The distance between point.
11. devices according to claim 8 are it is characterised in that described state determining module includes:
Apart from incidence matrix signal generating unit, for inscribing when obtaining respectively and inscribing with second when first, based on described each detection
Point the distance between with each pixel corresponding to described each test point, generation first apart from incidence matrix and second distance pass
Connection matrix；
Status determining unit, determines described for according to described first apart from incidence matrix and described second distance incidence matrix
Whether the state of testee changes；
Wherein, described first moment and the time interval in described second moment are less than predetermined threshold value.
12. devices according to claim 11 are it is characterised in that described object state determining unit includes:
First chooses subelement apart from element, for choosing each first apart from element from described first apart from incidence matrix；
Second distance element chooses subelement, for the choosing from described second distance incidence matrix based on identical selection principle
Take with described first apart from element corresponding second distance element；
Compare subelement, for each described first is compared with described second distance element apart from element；
State determination subelement, whether the state for determining described testee according to comparison result changes.
13. devices according to claim 12 are it is characterised in that described state determination subelement includes:
Test point determination subelement, for according to described first apart from element and described second distance element difference, determine institute
Whether state first apart from element test point corresponding with described second distance element is non-linear point；
According to described non-linear point, state-detection subelement, for determining whether the state of described testee changes.
14. devices according to claim 13 it is characterised in that described test point determination subelement specifically for:
Judge described difference whether in default range of error, if it is determined that described test point is Linear Points, if it is not, then
Determine that described test point is non-linear point.
15. devices according to claim 14 are it is characterised in that described state-detection subelement is used for:
If described non-linear point is continuous, and the area in the region being formed reaches preset area it is determined that described testee
State changes.
16. according to the arbitrary described device of claim 9-15 it is characterised in that also including:
Reminding module, after changing in the state determining described testee, if the state of described testee is sent out
Changing, then point out to user.
A kind of 17. terminals are it is characterised in that include the arbitrary described device of claim 9-16.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805050.6A CN106372608A (en) | 2016-09-06 | 2016-09-06 | Object state change detection method, device and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805050.6A CN106372608A (en) | 2016-09-06 | 2016-09-06 | Object state change detection method, device and terminal |
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