CN105043269B - The measuring method and electronic equipment of a kind of dimension of object - Google Patents
The measuring method and electronic equipment of a kind of dimension of object Download PDFInfo
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- CN105043269B CN105043269B CN201510399194.1A CN201510399194A CN105043269B CN 105043269 B CN105043269 B CN 105043269B CN 201510399194 A CN201510399194 A CN 201510399194A CN 105043269 B CN105043269 B CN 105043269B
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Abstract
The present invention relates to technical field of electronic equipment, the measuring method and electronic equipment of a kind of dimension of object are disclosed.This method is applied to electronic equipment, comprises the steps of：Obtain at least one picture comprising measured object and object of reference；Wherein, the size of object of reference is, it is known that and object of reference is marked with one group of angle index line；Build boost line in the picture of acquisition, the angle that the reference edge of the boost line of structure and the tested side of measured object or object of reference is constituted, is the interior angle of a right angled triangle；The angle of the angle constituted is obtained according to the angle index line on object of reference；According to the size of object of reference, the length on the tested side of the angle calcu-lation measured object constituted.In terms of existing technologies, its measuring method simply, conveniently, requires relatively low, and can obtain the higher measurement result of precision, it is adaptable to the measurement to the dimension of object of furniture etc. to present embodiment to computing capability, improves the efficiency that furniture is purchased.
Description
Technical field
The present invention relates to technical field of electronic equipment, the measuring method and electronic equipment of more particularly to a kind of dimension of object.
Background technology
With the continuous improvement of living standards of the people, requirement more and more higher of the people to domestic environment.Correspondingly, room
Indoor design and it is laid out all very exquisite, and then will have when being fitted up or being rearranged to the size of furniture must
Ask, for example, the length and width of furniture with it is high will be in certain size range, if the furniture size bought is too greatly or too
It is small, influence possibly attractive in appearance, serious not put at least, can only return goods, made troubles to house owner or businessman.At present, people
Can typically use when purchasing furniture ruler to measure length of furniture etc., but be due to place limitation needs shift the furniture about,
Or furniture size is too high to measure, it can all be made troubles to the measurement of size, have a strong impact on the effect that people select furniture
Rate.Measured in addition, carrying with ruler, can also bring trouble.
In the prior art, also there is the measurement that dimension of object is carried out by image processing techniques etc., but be due to its calculating
Complexity, requires high to measuring environment, is not particularly suited for the measurement of the dimension of object of furniture etc..
The content of the invention
It is an object of the invention to provide a kind of measuring method of dimension of object and electronic equipment, its measuring method is simple,
Relatively low is required to computing capability, and can not only obtain the higher measurement result of precision, and is measured very convenient, it is adaptable to be right
The measurement of the dimension of object of furniture etc., improves the efficiency that furniture is purchased.
In order to solve the above technical problems, embodiments of the present invention provide a kind of measuring method of dimension of object, application
In electronic equipment, comprise the steps of：Obtain at least one picture comprising measured object and object of reference；Wherein, the object of reference
Size, it is known that and the object of reference is marked with one group of angle index line；Boost line is built in the picture of the acquisition, is built
The tested side of boost line and the measured object or the angle that constitutes of the reference edge of the object of reference, be the interior of a right angled triangle
Angle；The angle of the angle of the composition is obtained according to the angle index line on the object of reference；According to the size of the object of reference,
The length on the tested side of measured object described in the angle calcu-lation of the composition.
Embodiments of the present invention additionally provide a kind of electronic equipment, comprising：Image capture module, boost line build mould
Block, angle read module and Size calculation module；Described image acquisition module is used for acquisition at least one and includes measured object and ginseng
According to the picture of thing；Wherein, the size of object of reference is, it is known that and object of reference is marked with one group of angle index line；The boost line is built
Module is used to extract in the picture line segment that angle is constituted with the tested side of measured object or the reference edge of object of reference, the angle
For the interior angle of a right angled triangle；The angle read module is used to obtain the folder constituted according to the angle index line on object of reference
The angle at angle；The Size calculation module is used for according to the size of object of reference, the tested side of the angle calcu-lation measured object constituted
Length.
Embodiment of the present invention in terms of existing technologies, the picture of measured object and object of reference is included by obtaining, its
In, the size of object of reference, it is known that and object of reference is marked with one group of angle index line, and build boost line in the picture of acquisition,
The reference edge of the boost line of structure and the tested side of measured object or object of reference is set to constitute the interior angle of a right angled triangle, according to reference
Angle index line on thing obtains the angle of the interior angle constituted, thus according to the size of object of reference and the right angled triangle that constitutes and
Its interior angle calculates the length on the tested side of measured object.Therefore, not only measuring method is simple, measurement accuracy is higher for present embodiment,
And measure very convenient, it is very suitable for the measurement of the dimension of object to furniture etc., so as to improve the effect that furniture is purchased
Rate.
Preferably, in the step of obtaining at least one picture comprising measured object and object of reference, if what is obtained is not
With one group of picture of angle, then tested edge lengths are calculated respectively, one group of tested length of side angle value that calculating is obtained is averaged, obtained
To final lengths.So as to further improve the precision of measurement.
Preferably, before the step of obtaining at least one picture comprising measured object and object of reference, comprise the steps of：
The measured object and object of reference are placed side by side, and the tested side is vertical with the reference edge；The structure in the picture of the acquisition
In the step of building boost line, following sub-step is included：Obtain and be tested outlying end points and reference edge from reference edge away from tested side
End points, and be used as boost line as straight line by two end points；Wherein, the straight line constitutes the first angle with reference edge；In root
In the step of angle for the angle that the composition is obtained according to the angle index line on the object of reference, find auxiliary with the structure
The angle index line that index contour is overlapped, reads the angle value between the angle index line and the reference edge, is used as the first folder
The angle at angle；In the length on the tested side of measured object described in the size according to the object of reference, the angle calcu-lation of the composition
In step, according to the length of reference edge and the angle of the first angle, using tan, the length for obtaining tested side is calculated.From
And, it can easily measure the height of testee.
Brief description of the drawings
Fig. 1 is the flow chart of the measuring method of the dimension of object according to first embodiment of the invention；
Fig. 2 is the schematic diagram of the measuring method for the dimension of object for aiding in illustrating first embodiment of the invention；
Fig. 3 is the schematic diagram of the measuring method of the dimension of object of another aid illustration first embodiment of the invention；
Fig. 4 is the particular flow sheet of the step 11 of the measuring method of the dimension of object according to first embodiment of the invention；
Fig. 5 is the particular flow sheet of the step 12 of the measuring method of the dimension of object according to first embodiment of the invention；
Fig. 6 is the particular flow sheet of the step 13 of the measuring method of the dimension of object according to first embodiment of the invention；
Fig. 7 is the particular flow sheet of the step 11 of the measuring method of the dimension of object according to second embodiment of the invention；
Fig. 8 is the specific of the step 12- steps 13 of the measuring method of the dimension of object according to second embodiment of the invention
Flow chart；
Fig. 9 is the schematic diagram of the measuring method for the dimension of object for aiding in illustrating second embodiment of the invention；
Figure 10 is the schematic diagram of the measuring method for the dimension of object for aiding in illustrating third embodiment of the invention；
Figure 11 is the structural representation of the electronic equipment according to four embodiment of the invention；
Figure 12 is the structural representation of the electronic equipment according to fifth embodiment of the invention；
Figure 13 is the structural representation of the electronic equipment according to sixth embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality of the accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize each claim of the application technical side claimed
Case.
The first embodiment of the present invention is related to a kind of measuring method of dimension of object, applied to electronic equipment, the electronics
Equipment is, for example, smart mobile phone, tablet personal computer etc., and idiographic flow is as shown in Figure 1.The measuring method is comprised the steps of：
Step 10, at least one picture comprising measured object and object of reference is obtained.
For example, when selecting furniture, measured object and object of reference is placed side by side, and tested side is in same straight line with reference edge
On.It is tested while can for measured object it is long while or broadside, need to include the tested side of complete measured object in the picture of shooting
And the reference edge of reference substance.It can be placed when taking pictures with best reference to thing against measured object, and make tested side and the reference edge
On same straight line, so that an end points on tested side is overlapped with an end points of reference edge, or tested side and reference edge
Between exist a segment distance.Wherein, the angle being tested between side and horizontal view-finder is acute angle, i.e., counterclockwise along horizontal view-finder
Rotation to the angle obtained by tested side is acute angle.Present embodiment is to being tested side with reference edge with the presence or absence of the end points overlapped
It is not intended to be limited in any.It should be noted that the size of object of reference is known, i.e., each reference edge on object of reference in present embodiment
Size be known, the preferred cuboid of object of reference or square, it would however also be possible to employ other have the object of the straightway length of side.
In addition, object of reference is marked with one group of angle index line.
Step 11, boost line, the boost line and the tested side of measured object or object of reference of structure are built in the picture of acquisition
Reference edge constitute angle, be the interior angle of a right angled triangle.
As shown in Figure 2,3, 4, step 11 includes following sub-step 110- sub-steps 114：
Sub-step 110：Obtain tested side L1 two end points P10, P11 and reference edge L2 two end points P20, P21.
For example two end points on tested side and two end points of reference edge can be specified by ejecting interface prompt user, used
Corresponding pixel on the point touching screen of family.
Sub-step 111：Make the by the tested end points P11 when L1 end points P10 makees first level straight line H1 and be tested
Two horizontal linear H2.First level straight line H1 and tested side L1 constitutes the first angle β.
Sub-step 112:3rd horizontal linear H3 is made by the end points P20 of the reference edge L2 close to measured object.3rd level
Straight line H3 and reference edge L2 constitutes the second angle r, wherein, the first angle β and the second angle r angle are equal.As shown in figure 3,
When tested side L1 an end points P11 and reference edge L2 an end points P20 are overlapped, the second horizontal linear H2 and the 3rd level
Straight line H3 is overlapped.
Sub-step 113：First vertical line vertical with reference edge L2 is made by the tested side L1 end points P11 close to object of reference
V1.First vertical line V1 is, for example, the extension line of a right-angle side of measured object.
Sub-step 114：Make second vertical with reference edge L2 respectively by reference to side L2 two end points P20, P21 vertical
Line V2 and the 3rd vertical line V3.Second, third vertical line is, for example, the extension line of the right-angle side of object of reference.As shown in figure 3, working as quilt
When an end points P20 for surveying side L1 an end points P11 and reference edge L2 is overlapped, the first vertical line V1 and the second vertical line V2 weights
Close.
Step 12, the angle of the angle constituted is obtained according to the angle index line on object of reference.
As shown in Fig. 2,3,5, step 12 includes sub-step 120- sub-steps 121：
Sub-step 120：Find an angle index line A1 parallel with first level straight line H1.
Sub-step 121：Read the value of the angle value, i.e. angle α between the angle index line A1 and reference edge L2.This is pressed from both sides
Angle value as the first angle β and the second angle r angle.
Step 13, according to the size of object of reference, the length on the tested side of the angle calcu-lation measured object constituted.
As shown in Fig. 2,3,6, step 13 includes following sub-step 130- sub-steps 131：
Sub-step 130：The first vertical line V1, the second vertical line V2 and the 3rd vertical line V3 are obtained respectively and first level is straight
The first intersection point J1, the second intersection point J2 and the 3rd intersection point J3 between line H1.Wherein, away from object of reference tested side end point P10 with
The first line segment X is constituted between first intersection point J1, second line segment Y is constituted between the second intersection point J2 and the 3rd intersection point J3.
Sub-step 131:Obtain the 3rd vertical line V3 and the 3rd horizontal linear H3 the 4th intersection point J4.4th intersection point J4 is with leaning on
The 3rd line segment Y1 is constituted between the reference edge end points P20 of nearly measured object.
Sub-step 132：Obtain the length in pixels of the first line segment X and second line segment Y in picture.Wherein, the first line segment X and
Second line segment Y is on same straight line, and second line segment Y and the 3rd line segment Y1 are parallel and equal.
Sub-step 133：According to reference edge L2 length and the second angle r angle, using the cosine law, calculating obtains the 3rd
Line segment Y1 length.I.e. in using the 3rd line segment Y1 as the right angled triangle of hypotenuse, according to the angle of the second angle with it is known
The length of reference edge, Y1 length is calculated according to the cosine law, and calculation formula is as follows：Y1=reference edges/cos α.
Sub-step 134：According to the first line segment X and second line segment Y length in pixels proportionate relationship, and second line segment Y
Length, calculates the length for obtaining First Line section X.
Sub-step 135：According to the first line segment X length and the angle of the first angle, using the cosine law, calculating obtain by
Survey the length on side.In i.e. using the first line segment X as the right angled triangle of hypotenuse, according to formula：Tested edge lengths=X*cos α, i.e.,
The length on tested side can be obtained.
As can be seen here, because object of reference is much smaller than the size of measured object, therefore, the distance between line segment Y1 and line segment Y is very
It is small, so that, in the picture of acquisition, the quantitative relation between line segment Y1 pixel quantity and line segment Y1 actual size can recognize
For the quantitative relation being essentially identical between line segment Y pixel quantity and line segment Y actual size, i.e., line segment Y is equal to line
The error for the size that section Y1 is measured to present embodiment is minimum.Also, due to line segment X and line segment Y in same parallel to taking
On the straight line of scape frame, therefore, the pixel quantity proportionate relationship on line segment X, Y accurately reflects the ratio of line segment X and line segment Y actual sizes
Value relation, so in the line segment X obtained according to the pixel quantity ratio and line segment Y physical length on line segment X, Y length base
Originally it is zero error.If however, directly according to side to be measured and the actual chi with reference to the pixel quantity ratio become, and reference edge
The very little actual size for calculating side to be measured, then the error of the actual size on the side to be measured drawn and real actual size is relatively
Greatly.Reason is that there is certain angle on side to be measured with line segment where reference edge and view-finder horizontal linear, where side to be measured on straight line
Pixel deformation, i.e., the physical length when line segment to be measured in upper same pixel length is corresponding to be measured differs widely.
Therefore, the size on the side to be measured that present embodiment is measured is greatly improved, so that it goes for such as wardrobe, meal
The measurement of the furniture such as table.
In addition, present embodiment is by shooting picture and specifying the size to be measured when that can obtain to be measured, measurement letter
It is single, conveniently, and measurement accuracy is higher, is very suitable for the measurement of the dimension of object to furniture etc., so as to improve furniture
The efficiency purchased.
It is noted that in the step of obtaining at least one picture comprising measured object and object of reference, obtaining many
Pictures, if what is obtained is one group of picture of same angle, this group of photo of application carries out contours extract, obtains tested side
And reference edge.In addition, if what is obtained is one group of picture of different angles, then tested edge lengths are calculated respectively, calculating is obtained
One group of tested length of side angle value be averaged, obtain final lengths.It is thus possible to obtain more accurate measurement size.
The step of various methods are divided above, be intended merely to description it is clear, can be merged into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as including identical logical relation, all the protection model in this patent
In enclosing；To adding inessential modification in algorithm or in flow or introducing inessential design, but its calculation is not changed
The core design of method and flow is all in the protection domain of the patent.
Second embodiment of the present invention is related to a kind of measuring method of dimension of object, as shown in Figure 7,8, the second embodiment party
It is in place of the main distinction of formula and first embodiment：In the first embodiment, the tested side in step 10 takes with level
The angle of scape frame is acute angle, and in this second embodiment, the angle between tested side and horizontal view-finder in step 10 is
Obtuse angle, i.e., it is obtuse angle to be rotated along horizontal view-finder to the angle obtained by tested side.Fig. 9 shows tested side with reference edge simultaneously
Arrange, be placed in parallel, and the picture that tested side is overlapped with an end points of reference edge.
In the first embodiment, step 11 includes sub-step 110- sub-steps 114, and step 12 includes sub-step 120-
Step 121；However, in this second embodiment, step 11 merges into a step with step 12, the step includes sub-step
210- sub-steps 213.
Sub-step 210：Another end points P1 and ginseng when obtaining the tested coincidence end points P in L1 and reference edge L2 and be tested
Another end points P2 on side is examined, horizontal linear H is made by overlapping end points P.
Sub-step 211：The first angle graduation mark A1 parallel with horizontal linear H is found, obtains referring to angle [alpha].
Sub-step 212：Find the second angle graduation mark A2 vertical with first angle graduation mark A1.
Sub-step 213：Made respectively and second by another end points P1 and reference edge L2 that are tested side L1 another end points P2
The first parallel lines H1 and the second parallel lines H2 parallel angle index line A2.Wherein, the first parallel lines H1 and tested side L1 is constituted
First angle β, the second parallel lines H2 and reference edge L2 constitutes the second angle r, also, with reference to angle [alpha], the first angle β and second
Angle r angle is equal.
In the first embodiment, step 13 includes sub-step 130- sub-steps 135；However, in this second embodiment,
Step 13 includes sub-step 230- sub-steps 234.
Sub-step 230：First obtained respectively between the first parallel lines H1 and the second parallel lines H2 and horizontal linear H is handed over
Point J1 and the second intersection point J2, the first intersection point J1 constitutes the first line segment X between end points P with overlapping, and the second intersection point J2 is with overlapping end points P
Between constitute second line segment Y.
Sub-step 231：Obtain the first line segment X, length in pixels of the second line segment Y in picture.
Sub-step 232：According to the angle with reference to edge lengths and the second angle, using sine, calculating obtains the second line
Section Y length.I.e. in using reference edge L2 as the right angled triangle of hypotenuse, second line segment Y length is obtained.
Sub-step 233：According to the first line segment X and second line segment Y length in pixels proportionate relationship, and second line segment Y
Length, calculates the length for obtaining First Line section X.
Sub-step 234：According to the first line segment X length and the first angle β angle, using sine, calculating is obtained
Tested side L1 length.Obtain long as the hypotenuse of the right angled triangle of hypotenuse using tested side.
Therefore, present embodiment can quickly measure the width of the objects such as furniture, and measurement is accurate.
Embodiments of the present invention are related to a kind of measuring method of dimension of object.3rd embodiment and first embodiment
The main distinction in place of be：
As shown in Figure 10, Figure 10 shows that measured object and object of reference are placed side by side, and tested side it is vertical with reference edge when clap
Take the photograph the schematic diagram of picture.
3rd embodiment in the step of building boost line, obtain tested end points P10s of the side L1 away from reference edge L2 and
End points P20 of the reference edge away from tested side, and straight line L is made by end points P10 and end points P20 be used as boost line.Wherein, the straight line
L and reference edge L2 constitutes the first angle r, so that, it is tested side L1, reference edge L2 and boost line L is constituted using the boost line as hypotenuse
Right angled triangle.
After boost line is constructed, the angle index line overlapped with the boost line built is found, the angle is read
Graduation mark and with reference to the angle value between side, is used as the angle of the first angle.
After the angle of the first angle is obtained, according to the length of reference edge and the angle of the first angle, tangent letter is utilized
Number, calculates the length for obtaining tested side.In i.e. using tested side and reference edge as the right angle trigonometry of two right-angle sides, side=ginseng is tested
According to side * tanr.
Therefore, present embodiment is by obtaining the picture of determinand and object of reference, and builds in picture a boost line
The height of measured object can be obtained, so as to the size in quick obtaining object height direction.
Four embodiment of the invention is related to a kind of electronic equipment.As shown in figure 11, the electronic equipment is included：IMAQ
Module, boost line build module, angle read module, Size calculation module and judge module.
Image capture module is used to obtain at least one picture comprising measured object and object of reference, and triggers judge module.
Wherein, the size of object of reference is, it is known that and object of reference is marked with one group of angle index line.For example with smart mobile phone or flat board electricity
The camera of brain is taken pictures acquisition picture, very convenient.
Judge module is used to judging tested whether be on same straight line with reference edge or while tested with reference edge be
It is no parallel, and whether tested angle between side and horizontal view-finder is acute angle, and determining at tested side and reference edge
It is parallel with reference edge on same straight line or tested side, and tested angle between side and horizontal view-finder is when being acute angle,
Trigger boost line and build module.
Boost line, which builds module, to be used to extract in the picture that image capture module is obtained and the tested side of measured object or reference
The reference edge of thing constitutes the line segment of angle, and angle is the interior angle of a right angled triangle.Specifically, boost line builds module and included：
End points extracting sub-module, horizontal linear generation submodule and vertical line generation submodule.Wherein, end points extracting sub-module is used to obtain
Two end points on tested side and two end points of reference edge.Horizontal linear generation submodule is used to carry by end points extracting sub-module
Two end points on the tested side taken make first level straight line and the second horizontal linear respectively, and first level straight line is constituted with tested side
First angle, by making the 3rd horizontal linear close to the reference edge end points of measured object, the 3rd horizontal linear and reference edge constitute the
Two angles, wherein, the angle of the first angle and the second angle is equal.Vertical line generation submodule is used to pass through the quilt close to object of reference
Survey side end point and make first vertical line vertical with reference edge, vertical with reference edge the is made respectively by reference to two end points on side
Two vertical lines and the 3rd vertical line.
Angle read module is used for the angle that the angle constituted is obtained according to the angle index line on object of reference.Specifically,
Angle read module is included：Graduation mark extracting sub-module and angle recognition submodule.Wherein, graduation mark extracting sub-module is used for
Extract an angle index line with first level straight line parallel.Angle recognition submodule is used to read the angle index line and ginseng
Examine the angle value between side.Wherein, the angle value as the first angle and the second angle angle.
Size calculation module is used for size, the length on the tested side of the angle calcu-lation measured object constituted according to object of reference.
Specifically, Size calculation module is included：Intersection point extracting sub-module, pixel extraction submodule and calculating sub module.
Wherein, intersection point extracting sub-module is used to extract the first vertical line, the second vertical line and the 3rd vertical line and the respectively
The first intersection point, the second intersection point and the 3rd intersection point between one horizontal linear；Wherein, the tested side end point and first away from object of reference
The first line segment X is constituted between intersection point, second line segment Y is constituted between the second intersection point and the 3rd intersection point；And extract the 3rd vertical line
The 3rd line segment Y1 is constituted with the 4th intersection point of the 3rd horizontal linear, the 4th intersection point and between the reference edge end points of measured object.
It is long that pixel extraction submodule is used for the first line segment X of acquisition, the pixel of second line segment Y and the 3rd line segment Y1 in picture
Degree；Wherein, the first line segment X and second line segment Y is on same straight line, and second line segment Y and the 3rd line segment Y1 are parallel and equal.
Calculating sub module is used for according to the angle with reference to edge lengths and the second angle, using the cosine law, and calculating obtains the
Three line segment Y1 length；And according to the length of the first line segment X and second line segment Y length in pixels proportionate relationship, and second line segment Y
Degree, calculates the length for obtaining First Line section X；According to the first line segment X length and the angle of the first angle, using the cosine law,
Calculate the length for obtaining tested side.
It is seen that, present embodiment is the apparatus embodiments corresponding with first embodiment, and present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It is noted that each module involved in present embodiment is logic module, and in actual applications, one
Individual logic unit can be a part for a physical location or a physical location, can also be with multiple physics lists
The combination of member is realized.In addition, will not be with solving the present invention in the innovative part in order to protrude the present invention, present embodiment
The technical problem relation proposed less close unit is introduced, but this be not intended that in present embodiment be not present it is other single
Member.
Fifth embodiment of the invention is related to a kind of electronic equipment.As shown in figure 12, the electronic equipment is included：IMAQ
Module, boost line build module, angle read module, Size calculation module and judge module.
Image capture module is used to obtain at least one picture comprising measured object and object of reference, and triggers judge module.
Wherein, the size of object of reference is, it is known that and object of reference is marked with one group of angle index line.For example with smart mobile phone or flat board electricity
The camera of brain is taken pictures acquisition picture, very convenient.
Judge module, for judging tested whether be on same straight line with reference edge or while tested with reference edge be
It is no parallel, and whether tested angle between side and horizontal view-finder is acute angle, and determining at tested side and reference edge
It is parallel with reference edge on same straight line or tested side, and tested angle between side and horizontal view-finder is when being acute angle,
Trigger boost line and build module.
Boost line, which builds module, to be used to extract in the picture that image capture module is obtained and the tested side of measured object or reference
The reference edge of thing constitutes the line segment of angle, and angle is the interior angle of a right angled triangle.Specifically, boost line builds module and includes end
Point extracting sub-module, horizontal linear generation submodule, vertical line generation submodule, parallel lines extraction module and parallel lines generation submodule
Block.
Wherein, end points extracting sub-module is used for the coincidence end points and the respective other end for obtaining tested side and reference edge
Point.Horizontal linear generation submodule is used to make horizontal linear by overlapping end points.Parallel lines extraction module is used to extract and level
The first angle graduation mark of straight line parallel, and trigger angle read module.Vertical line generation submodule is used to generate and first angle
The vertical second angle graduation mark of graduation mark.Parallel lines generation submodule is used for another end points point by being tested side and reference edge
The first parallel lines and the second parallel lines that Zuo be with second angle graduation mark.Wherein, the first parallel lines constitute first with tested side
Angle, the second parallel lines constitute the second angle with reference edge.Angle with reference to angle, the first angle and the second angle is equal.
The angle index line that angle read module is used on the object of reference in the picture that is obtained according to image capture module is obtained
Take in the angle of the angle of composition, present embodiment, angle read module refers to angle for reading.
Size calculation module is used for size, the length on the tested side of the angle calcu-lation measured object constituted according to object of reference.
Specifically, Size calculation module is included：Intersection point extracting sub-module, pixel extraction submodule and calculating sub module.
Wherein, intersection point extracting sub-module is used to obtain respectively between the first parallel lines and the second parallel lines and horizontal linear
First intersection point and the second intersection point, the first intersection point constitute the first line segment between end points with overlapping, and the second intersection point is with overlapping between end points
Constitute second line segment.
Pixel extraction submodule is used to obtain the first line segment X, length in pixels of the second line segment Y in picture.According to reference
The angle of edge lengths and the second angle, using sine, calculates the length for obtaining second line segment.Calculating sub module is used for basis
First line segment X and second line segment length in pixels proportionate relationship, and second line segment length, calculate obtain First Line section length
Degree, and length and the angle of the first angle according to the first line segment, using sine, calculate the length for obtaining tested side.
Sixth embodiment of the invention is related to a kind of electronic equipment.As shown in figure 13, the electronic equipment is included：IMAQ
Module, boost line build module, angle read module, Size calculation module and judge module.
Image capture module is used to obtain at least one picture comprising measured object and object of reference, and triggers judge module.
Wherein, the size of object of reference is, it is known that and object of reference is marked with one group of angle index line.For example with smart mobile phone or flat board electricity
The camera of brain is taken pictures acquisition picture, very convenient.
Judge module is used to judge whether tested side is vertical with reference edge, and when determining tested side perpendicular to reference edge
Trigger boost line and build module；
Boost line, which builds module, to be used to extract in the picture that image capture module is obtained and the tested side of measured object or reference
The reference edge of thing constitutes the line segment of angle, and angle is the interior angle of a right angled triangle.Specifically, boost line builds module and included：
End points extracting sub-module, for obtaining end points of the tested outlying end points and reference edge from reference edge away from tested side, and passes through
Two end points make straight line as boost line.Wherein, straight line constitutes the first angle with reference edge.
Angle read module is used for the angle that the angle constituted is obtained according to the angle index line on object of reference.Specifically,
Angle reading submodule is used to extract the angle index line that the boost line with building is overlapped, and read the angle index line and
Angle value between reference edge, is used as the angle of the first angle.
Size calculation module is used for size, the length on the tested side of the angle calcu-lation measured object constituted according to object of reference.
Specifically, Size calculation module is used for length and the angle of the first angle according to reference edge, and using tan, calculating is obtained
The length on tested side.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of measuring method of dimension of object, applied to electronic equipment, it is characterised in that comprise the steps of：
Obtain at least one picture comprising measured object and object of reference；Wherein, the size of the object of reference is, it is known that and the reference
Thing is marked with one group of angle index line；
Boost line, tested side or the object of reference of the boost line of structure with the measured object are built in the picture of the acquisition
Reference edge constitute angle, be the interior angle of a right angled triangle；
The angle of the angle of the composition is obtained according to the angle index line on the object of reference；
The length on the tested side of measured object according to the size of the object of reference, the angle calcu-lation of the composition.
2. the measuring method of dimension of object according to claim 1, it is characterised in that obtaining at least one comprising tested
Before the step of picture of thing and object of reference, comprise the steps of：
The measured object and object of reference are placed side by side, and tested are being in reference edge on same straight line or while tested with referring to
Side is parallel, and tested angle between side and horizontal view-finder is acute angle；
In the step of boost line is built in the picture of the acquisition, following sub-step is included：
Obtain two end points on tested side and two end points of reference edge；
Make first level straight line and the second horizontal linear, first level straight line and the quilt respectively by being tested two end points on side
Survey side and constitute the first angle；
By making the 3rd horizontal linear close to the reference edge end points of measured object, the 3rd horizontal linear constitutes second with the reference edge
Angle；Wherein, the angle of the first angle and the second angle is equal；
First vertical line vertical with the reference edge is made by the tested side end point close to object of reference；
Make second vertical line and threeth vertical line vertical with the reference edge respectively by reference to two end points on side；
In the step of angle of angle of the composition is obtained according to the angle index line on the object of reference, find with it is described
A piece angle index line of first level straight line parallel, reads the angle value between the angle index line and the reference edge, makees
For the angle of the first angle and the second angle；
The step of the length on the tested side of measured object described in the size according to the object of reference, the angle calcu-lation of the composition
In, include following sub-step：
The first intersection point between the first vertical line, the second vertical line and the 3rd vertical line and first level straight line, are obtained respectively
Two intersection points and the 3rd intersection point；Wherein, the first line segment X, second are constituted between tested side end point and the first intersection point away from object of reference
Second line segment Y is constituted between intersection point and the 3rd intersection point；
Obtain the 4th intersection point of the 3rd vertical line and the 3rd horizontal linear, the 4th intersection point and the reference edge end points close to measured object it
Between constitute the 3rd line segment Y1；
Obtain the length in pixels of the first line segment X and second line segment Y in picture；Wherein, the first line segment X and second line segment Y are in
On same straight line, second line segment Y and the 3rd line segment Y1 are parallel and equal；
According to the angle with reference to edge lengths and the second angle, using the cosine law, the length for obtaining the 3rd line segment Y1 is calculated；
According to the length of the first line segment X and second line segment Y length in pixels proportionate relationship, and second line segment Y, calculating obtains the
One line segment X length；
According to the first line segment X length and the angle of the first angle, using the cosine law, the length for obtaining tested side is calculated.
3. the measuring method of dimension of object according to claim 1, it is characterised in that obtaining at least one comprising tested
Before the step of picture of thing and object of reference, comprise the steps of：
The measured object and object of reference are placed side by side, and tested are being in reference edge on same straight line or while tested with referring to
Side is parallel, and tested angle between side and horizontal view-finder is obtuse angle；
In the step of boost line is built in the picture of the acquisition, following sub-step is included：
Obtain the coincidence end points and respective another end points of tested side and reference edge；
Make horizontal linear by overlapping end points；
The first angle graduation mark parallel with the horizontal linear is found, obtains referring to angle；
Find the second angle graduation mark vertical with first angle graduation mark；
Make the first parallel lines and second with the second angle graduation mark respectively by another end points on tested side and reference edge
Parallel lines；Wherein, the first parallel lines constitute the first angle with the tested side, and the second parallel lines constitute second with the reference edge
Angle；Angle with reference to angle, the first angle and the second angle is equal；
The step of the length on the tested side of measured object described in the size according to the object of reference, the angle calcu-lation of the composition
In, include following sub-step：
The first intersection point and the second intersection point between the first parallel lines and the second parallel lines and the horizontal linear, first are obtained respectively
Intersection point constitutes the first line segment between end points with overlapping, and the second intersection point constitutes second line segment between end points with overlapping；
Obtain the first line segment X, length in pixels of the second line segment Y in picture；
According to the angle with reference to edge lengths and the second angle, using sine, the length for obtaining second line segment is calculated；
According to the first line segment X and the length in pixels proportionate relationship of second line segment, and second line segment length, calculating obtains first
The length of line segment；
According to the length of the first line segment and the angle of the first angle, using sine, the length for obtaining tested side is calculated.
4. the measuring method of dimension of object according to claim 1, it is characterised in that obtaining at least one comprising tested
Before the step of picture of thing and object of reference, comprise the steps of：
The measured object and object of reference are placed side by side, and the tested side is vertical with the reference edge；
In the step of boost line is built in the picture of the acquisition, following sub-step is included：
Obtain and be tested end points of the outlying end points and reference edge from reference edge away from tested side, and make straight line work by two end points
For boost line；Wherein, the straight line constitutes the first angle with reference edge；
In the step of angle of angle of the composition is obtained according to the angle index line on the object of reference, find with it is described
The angle index line that the boost line of structure is overlapped, reads the angle value between the angle index line and the reference edge, makees
For the angle of the first angle；
The step of the length on the tested side of measured object described in the size according to the object of reference, the angle calcu-lation of the composition
In, according to the length of reference edge and the angle of the first angle, using tan, calculate the length for obtaining tested side.
5. the measuring method of the dimension of object according to Claims 1-4 any one, it is characterised in that obtaining at least
In the step of one picture comprising measured object and object of reference, if what is obtained is one group of picture of same angle, using this
One group of photo carries out contours extract, obtains tested side and reference edge.
6. the measuring method of the dimension of object according to Claims 1-4 any one, it is characterised in that obtaining at least
In the step of one picture comprising measured object and object of reference, if what is obtained is one group of picture of different angles, count respectively
Tested edge lengths are calculated, one group of tested length of side angle value that calculating is obtained is averaged, final lengths are obtained.
7. a kind of electronic equipment, it is characterised in that include：Image capture module, boost line build module, angle read module with
Size calculation module；
Described image acquisition module is used to obtain at least one picture comprising measured object and object of reference；Wherein, the chi of object of reference
It is very little, it is known that and object of reference is marked with one group of angle index line；
The boost line, which builds module, to be used to build boost line, the auxiliary of structure in the picture that described image acquisition module is obtained
The angle that line is constituted with the tested side of the measured object or the reference edge of the object of reference, is the interior angle of a right angled triangle；
The angle index that the angle read module is used on the object of reference in the picture according to the acquisition of described image acquisition module
Line obtains the angle of the angle constituted；
The Size calculation module is used for the angle of the composition obtained according to the size of object of reference with the angle read module
The length on the tested side of angle calculation measured object.
8. electronic equipment according to claim 7, it is characterised in that the electronic equipment is also included：Judge module；
The judge module be used to judging it is described it is tested while with reference edge whether on the same straight line or while tested with referring to
Whether side parallel, and whether tested angle between side and horizontal view-finder is acute angle, and determine the tested side with
Reference edge is on same straight line or tested side is parallel with reference edge, and tested angle between side and horizontal view-finder is
During acute angle, trigger the boost line and build module；
The boost line builds module and included：End points extracting sub-module, horizontal linear generation submodule and vertical line generation submodule；
The end points extracting sub-module is used to obtain two end points on tested side and two end points of reference edge；
The horizontal linear generates submodule, for two end points point on the tested side extracted by the end points extracting sub-module
Do not make first level straight line and the second horizontal linear, first level straight line constitutes the first angle with tested side, by close to tested
The reference edge end points of thing makees the 3rd horizontal linear, and the 3rd horizontal linear constitutes the second angle with reference edge, wherein, the first angle and
The angle of second angle is equal；
The vertical line generation submodule is used for the tested side end point of the close object of reference extracted by the end points extracting sub-module
Make first vertical line vertical with reference edge, second vertical line vertical with reference edge is made respectively by reference to two end points on side
With the 3rd vertical line；
The angle read module is included：Graduation mark extracting sub-module and angle recognition submodule；
The graduation mark extracting sub-module is used to extract an angle index line in the picture with first level straight line parallel；
The angle recognition submodule be used to reading angle index line and reference edge that the graduation mark extracting sub-module extracts it
Between angle value；Wherein, the angle value as the first angle and the second angle angle；
The Size calculation module is included：Intersection point extracting sub-module, pixel extraction submodule and calculating sub module；
The intersection point extracting sub-module is used to extract the first vertical line, the second vertical line and the 3rd vertical line and first level respectively
The first intersection point, the second intersection point and the 3rd intersection point between straight line；Wherein, away from object of reference tested side end point and the first intersection point it
Between constitute the first line segment X, second line segment Y is constituted between the second intersection point and the 3rd intersection point；And extract the 3rd vertical line and the 3rd
4th intersection point of horizontal linear, the 4th intersection point and the 3rd line segment Y1 of composition between the reference edge end points of measured object；
The pixel extraction submodule is used to obtain the length in pixels of the first line segment X and the second line segment Y in picture；
Wherein, the first line segment X and second line segment Y is on same straight line, the second line segment Y and the 3rd line segment Y1
It is parallel and equal；
The calculating sub module is used for according to the angle with reference to edge lengths and the second angle, using the cosine law, and calculating obtains the
Three line segment Y1 length；And according to the length of the first line segment X and second line segment Y length in pixels proportionate relationship, and second line segment Y
Degree, calculates the length for obtaining First Line section X；According to the first line segment X length and the angle of the first angle, using the cosine law,
Calculate the length for obtaining tested side.
9. electronic equipment according to claim 7, it is characterised in that the electronic equipment is also included：Judge module, is used for
Judge it is described it is tested while with reference edge whether on the same straight line or while tested it is whether parallel with reference edge, and by
Whether the angle surveyed between side and horizontal view-finder is obtuse angle, and is determining the tested side with reference edge in same straight line
Upper or tested side is parallel with reference edge, and tested angle between side and horizontal view-finder, when being obtuse angle, triggering is described auxiliary
Index contour builds module；
The boost line builds module and generates submodule comprising end points extracting sub-module, horizontal linear generation submodule, vertical line, puts down
Line extraction module generates submodule with parallel lines；
The end points extracting sub-module is used for the coincidence end points and respective another end points for obtaining tested side and reference edge；
The horizontal linear generation submodule is used to make horizontal linear by the coincidence end points；
The parallel lines extraction module is used to extract the first angle graduation mark parallel with the horizontal linear, and triggers the folder
Angle read module；
The angle read module refers to angle for reading；
The vertical line generation submodule is used to generate the second angle graduation mark vertical with the first angle graduation mark；
The parallel lines generation submodule is used to respectively make and the second angle by being tested another end points on side and reference edge
The first parallel lines and the second parallel lines of graduation mark；Wherein, first parallel lines constitute the first angle, institute with the tested side
State the second parallel lines and constitute the second angle with the reference edge；The reference angle, first angle and second angle
Angle it is equal；
The Size calculation module is included：Intersection point extracting sub-module, pixel extraction submodule and calculating sub module；
The intersection point extracting sub-module is used to obtain first parallel lines and second parallel lines respectively and the level is straight
The first intersection point and the second intersection point between line, first intersection point constitute the first line segment, described between end points with described overlap
Two intersection points constitute second line segment between end points with described overlap；
The pixel extraction submodule is used to obtain the first line segment X, length in pixels of the second line segment Y in picture；
According to the angle with reference to edge lengths and second angle, using sine, the length for obtaining two line segments described in the is calculated
Degree；
The calculating sub module is used for the length in pixels proportionate relationship according to the first line segment X and the second line segment Y, and
The length of the second line segment, calculates the length for obtaining first line segment, and length and the first angle according to the first line segment
Angle, using sine, calculate the length for obtaining the tested side.
10. electronic equipment according to claim 7, it is characterised in that the electronic equipment also includes judge module, is used for
Judge whether the tested side is vertical with the reference edge, and triggered when determining the tested side perpendicular to the reference edge
The boost line builds module；
The boost line builds module and included：End points extracting sub-module, for obtaining tested outlying end points and ginseng from reference edge
The outlying end points from tested side is examined, and is used as boost line as straight line by two end points；Wherein, the straight line is constituted with reference edge
First angle；
The angle reading submodule is used to extract the angle index line overlapped with the boost line of the structure, and reading should
Angle value between angle index line and the reference edge, is used as the angle of the first angle；
The Size calculation module is used for length and the angle of the first angle according to reference edge, using tan, calculates
To the length on tested side.
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