CN106610270A - Measurement method, measurement device and mobile terminal - Google Patents
Measurement method, measurement device and mobile terminal Download PDFInfo
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- CN106610270A CN106610270A CN201510696167.0A CN201510696167A CN106610270A CN 106610270 A CN106610270 A CN 106610270A CN 201510696167 A CN201510696167 A CN 201510696167A CN 106610270 A CN106610270 A CN 106610270A
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- image
- measurand
- size
- capture device
- distance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a measurement method, which comprises the steps of performing image acquisition on a measured object, and determining the size of an acquired object image of the measured object; and determining a first actual length and/or a second actual length of the measured object according to the size of the object image of the measured object, the position of the object image and the distance between the measured object and an image acquisition device. The invention further provides an image measurement device and a mobile terminal.
Description
Technical field
The present invention relates to e measurement technology, more particularly to a kind of measurement side measured by image capture device
Method, device and mobile terminal.
Background technology
People always run in daily life the problem for needing to measure length, width and height, but as common movement
Terminal use, it is impossible to all carry with the survey tools such as ruler.And the side for being measured using camera at present
In method, needs use multiple cameras, computer, distance measurement tools etc., also need to arrange reference pair sometimes
As, and multiple pictures are shot, then the references object of multiple pictures is analyzed using the image operation of computer, together
When with reference to distance measurement tools measurement distance and the information such as shooting distance difference of multiple pictures, it is comprehensive to mesh
Mark object is measured.
Although existing measuring method possesses advantage of the measurement long distance from, big object, using very side
Just, realize that measurement needs many extras, such as find range instrument, computer, multiple cameras etc., while
Have high requirements to measuring operation.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of measuring method, device and mobile terminal, can
The measurement of object length, width is realized by the image capture device in intelligent mobile terminal.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of measuring method is embodiments provided, methods described includes：
IMAQ is carried out to measurand, it is determined that the size of the image of the measurand for collecting；
The position of size, image according to the image of measurand and measurand and image capture device
Distance, determines first physical length and/or the second physical length of the measurand.
In such scheme, first physical length for measurand IMAQ face length, described the
Two physical lengths are the width in the measurand IMAQ face.
In such scheme, the size of the image for determining the measurand for collecting includes：According to the thing
As shared pixel count, the conversion rate of the lens of image capture device and the single photoreceptor of image capture device
The size of part, it is determined that the size of the image of the measurand for collecting.
In such scheme, the position of the image is image and the distance of image capture device lens, the quilt
Survey object and the distance that the distance of image capture device is measurand and image capture device lens.
In such scheme, methods described also includes：Determine the position of image, including：According in following parameter
One or more, determine the position of image：
The starting point of camera lens, single step camera lens displacement, single step camera lens movement number of times, single step camera lens are maximum mobile
Number of times.
In such scheme, methods described also includes：Determine the distance of measurand and image capture device, wrap
Include：Position and the focal length of image capture device lens according to image, determines measurand and IMAQ
The distance of equipment.
The embodiment of the present invention additionally provides a kind of measurement apparatus, and described device includes：Image capture module, thing
As size determining module, length determination modul, wherein,
Described image acquisition module, for carrying out IMAQ to measurand；
The image size determining module, for determining the size of the image of the measurand for collecting；
The length determination modul, for according to the size of the image of measurand, the position of image and quilt
The distance of object and image capture device is surveyed, first physical length and/or second of the measurand is determined in fact
Border length.
In such scheme, the image size determining module specifically for：Pixel according to shared by the image
The size of number, the conversion rate of the lens of image capture device and the single sensor devices of image capture device, really
The size of the image of the measurand for collecting surely.
In such scheme, described device also includes first apart from determining module, for according in following parameter
One or more, determine the position of image：
The starting point of camera lens, single step camera lens displacement, single step camera lens movement number of times, single step camera lens are maximum mobile
Number of times.
In such scheme, described device also include second distance determining module, for according to the position of image with
And the focal length of image capture device lens, determine the distance of measurand and image capture device.
The embodiment of the present invention additionally provides a kind of mobile terminal, and the mobile terminal includes above-mentioned measurement apparatus.
Measuring method, device and mobile terminal that the embodiment of the present invention is provided, first carry out figure to measurand
As collection, it is determined that the size of the image of the measurand for collecting；Size further according to the image of measurand,
The position of image and measurand and the distance of image capture device, determine that the first of the measurand is real
Border length and/or the second physical length.The image capture device by intelligent mobile terminal is so, it is possible, it is real
The measurement of existing object length and width.
Description of the drawings
Fig. 1 is embodiment of the present invention measuring method schematic flow sheet；
Fig. 2 is embodiment of the present invention IMAQ principle schematic；
Fig. 3 is embodiment of the present invention measurement range schematic diagram；
Fig. 4 is embodiment of the present invention measurement apparatus Structure and Process schematic diagram.
Specific embodiment
In the embodiment of the present invention, first IMAQ is carried out to measurand, it is determined that the measurand for collecting
The size of image；The position of size, image further according to the image of measurand and measurand and image
The distance of collecting device, determines first physical length and/or the second physical length of the measurand.
Wherein, first physical length is the length in measurand IMAQ face, and described second is actual
Length is the width in the measurand IMAQ face.I.e. when the IMAQ face of the measurand
During vertical and horizontal face, first physical length is the length in the measurand IMAQ face, described
Second physical length is the height in the measurand IMAQ face, when the IMAQ of the measurand
When face is parallel to horizontal plane, first physical length is the length in the measurand IMAQ face, institute
State the width that the second physical length is the measurand IMAQ face.
Below in conjunction with the accompanying drawings and specific embodiment, the enforcement of technical solution of the present invention is made further to retouch in detail
State.Fig. 1 is embodiment of the present invention measuring method schematic flow sheet, as shown in figure 1, the present embodiment measurement side
Method is comprised the following steps：
Step 101：IMAQ is carried out to measurand, it is determined that the image of the measurand for collecting is big
It is little；
In the embodiment of the present invention, when IMAQ is proceeded by, present image collecting device mould is read first
The basic data and calibration data of group, if described image collecting device uses auto-focusing module,
The basic data and calibration data that can be directly read includes：Horizontal resolution w0, vertical resolution h0,
Size p of single sensitivity speck, hyperfocal distance apart from e, single step camera lens displacement d0, camera lens movement and thing
Away from the focal length f for corresponding to table u, starting point v0 of camera lens, camera lens, the mobile frequency n of maximum, refractive index r etc..So
Afterwards, the information of reading is preserved, while calibrating to module so that the camera lens of image capture device
Can be linearly moved, so as to ensure that focal length can be calculated using displacement.If described image collecting device
Use and focus module, then the basic data and calibration data that can be directly read includes：Horizontal resolution
W, vertical resolution h, size p of single sensitivity speck, starting point v0 of camera lens, focal length f of camera lens etc..It is fixed
Burnt module is not related to camera lens movement, it is not necessary to carry out module calibration.
In the embodiment of the present invention, for auto-focusing group mould, in addition it is also necessary to which it is right to be carried out according to the focusing of platform instruction
Jiao's operation.Specifically, focused according to the triggering of the definition of current picture, control module moving lens, make figure
As collecting device is presented clear picture.In the embodiment of the present invention, can be with according to performance requirement, configuration single
Mobile step number, the more focusing speed of single movement step number are faster, and measurement is completed sooner, but may cause essence
Degree declines, because single movement step number is bigger to represent that image distance change is more obvious.
In the embodiment of the present invention, methods described also includes, reads the full-size that image capture device is supported,
And preview mode is set.The full-size that image capture device is supported, it is believed that image capture device is in list
Individual sensor devices one pixel of correspondence is in output.If described image collecting device supports full-size preview,
Then it is set to full-size and starts preview, if not supporting full-size preview, is configurable to 1/2,1/4
Equidimension starts preview, however it is necessary that record conversion ratio.The conversion ratio is several sense organ devices correspondence
One pixel, is exactly 4 sensor devices one pixels of correspondence when 1/4 size preview is configured to for example.
Configuration focus function starts while correspondence preview size opens preview.Described image after focus function startup
Collecting device can cause preview screen clear according to the picture of current preview, real-time regulation camera.
Fig. 2 is embodiment of the present invention IMAQ principle schematic, and in the embodiment of the present invention, the determination is adopted
The size of the image of the measurand for collecting includes：Pixel count, IMAQ according to shared by the image sets
The size of the single sensor devices of conversion rate and image capture device of standby lens, it is determined that what is collected is tested
The size of the image of object.
Specifically, after the image that image capture device collects measurand, if terminal device has thing
The function of body identification, then can pass through the edge of the object of acquisition automatically to reach the measurement range for automatically configuring
Effect；Can also manually be configured, user can be led to according to the position of measurand in image
Cross and drag vernier on screen to determine measurement range so that measurand is located in measurement range, complete to survey
Amount configuration, the final measurement range schematic diagram for determining is as shown in figure 3, arrowFor vernier, dotted line
FrameFor measurement range.
The size of image includes the image height of horizontal direction and the image height of vertical direction, and image height is object in photoreceptor
Image height above part, as shown in m in Fig. 2, it is water that this highly can take pixel count according to imaging
Calculating, in Fig. 2, i.e. image height m is equal to pixel count (water for flat measurement range w and vertical survey scope h
Flat measurement range/vertical survey scope) it is multiplied by size p that conversion ratio r is multiplied by again single sensor devices.I.e.：
Horizontal direction：Unit rice (m)；
Vertical direction：Unit rice (m)；
Step 102：The position of size, image according to the image of measurand and measurand and image
The distance of collecting device, determines first physical length and/or the second physical length of the measurand.
First physical length is the length in measurand IMAQ face, and second physical length is
The width in the measurand IMAQ face.
The position of the image is the distance of image and image capture device lens, the measurand and image
The distance of collecting device is the distance of measurand and image capture device lens.
In the embodiment of the present invention, it is determined that first physical length and/or the second physical length of the measurand
Before, methods described also includes：Determine the position of image, including：One kind or several in following parameter
Kind, determine the position of image：The starting point of camera lens, single step camera lens displacement, single step camera lens movement number of times,
The maximum mobile number of times of single step camera lens.
As shown in Fig. 2 when described image collecting device is using group mould is focused, the position of the image and thing
As with starting point v0 that camera lens is apart from v of image capture device lens, i.e.,：
V=v0；
When described image collecting device using auto-focusing group mould and measurand and image capture device away from
During from the range of hyperfocal distance, the image is with image capture device lens apart from starting point v0 that v is camera lens
With single step camera lens displacement d0 and mobile number of times c products plus and, i.e.,：
V=v0+c × d0；
When described image collecting device using auto-focusing group mould and measurand and image capture device away from
During from outside hyperfocal distance scope, the image is with image capture device lens apart from starting point v0 that v is camera lens
With single step camera lens displacement d0 and maximum mobile frequency n product plus and, i.e.,：
V=v0+n × d0；
In the embodiment of the present invention, it is determined that first physical length and/or the second physical length of the measurand
Before, methods described also includes：Determine the distance of measurand and image capture device, including：According to thing
The position of picture and the focal length of image capture device lens, determine the distance of measurand and image capture device.
As shown in Fig. 2 when described image collecting device is using focusing module and measurand and IMAQ
When the distance of equipment is in the range of hyperfocal distance, directly can just inquire measurand from calibration table and adopt with image
Collection equipment apart from u；
When the distance of measurand and image capture device is outside hyperfocal distance scope or described image collection
When equipment is using group mould is focused, then according to the position v and the focal length f of image capture device lens of image, really
Measurand is determined with image capture device apart from u：
Because：
So：
Finally, according to measurand the size of image, the position of image and measurand and IMAQ
The distance of equipment, determines first physical length and/or the second physical length of the measurand
As shown in Fig. 2 by determine it is described it is tested to the second symmetrical physical length x as a example by, it is former according to geometry
Reason understands：Then
Finally, measurement result is exported by display.
With reference to instantiation, measuring method described in the embodiment of the present invention is further illustrated.
Using existing mobile terminal device, the platform of high pass 8939 and the systems of Android 4.4 are carried, in height
Logical platform intergration auto-focusing algorithm, image capture device uses the camera of Sony 13M.
First, extending the code of high pass kernel part includes：Read, store camera OTP information；Carry
Digital independent is carried out for I/O interface for HAL.
Then, the interface of high pass HAL layer is extended, including：Read the initialized camera OTP of kernel
Information；Packing Param reads data for upper layer application.
Finally, realize that measurement range configuration and measurement result show in application layer.
During implementing：
High-pass platform supports the full-scale preview of 13M, so the present embodiment has used the full-scale pre- of Sony
Look at.Can determine according to the data that Sony provides：
W0=4208；
H0=3120；
Other camera informations also include：
P=1.12 μm；
F=3.81；
D0=2.24 μm；
E=2m；
V0=1.2mm；
N=60；
R=1；
Getting the size of measured zone from measurement configuration is：
The user configured width of w=；
The user configured height of h=.
The embodiment of the present invention additionally provides a kind of measurement apparatus, and described device is located at mobile terminal, and Fig. 4 is this
Inventive embodiments measurement apparatus structural representation, as shown in figure 4, described device include image capture module 41,
Image size determining module 42, length determination modul 43, wherein,
Described image acquisition module 41, for carrying out IMAQ to measurand；
In the embodiment of the present invention, described device also includes calibration module 44, for proceeding by IMAQ
Before, the basic data and calibration data of present image collecting device module are read first, if described image is adopted
Collection equipment uses auto-focusing module, then the basic data and calibration data that can be directly read includes：
Horizontal resolution w0, vertical resolution h0, size p of single sensitivity speck, hyperfocal distance apart from e, single step
Camera lens displacement d0, camera lens move table u corresponding with object distance, starting point v0 of camera lens, the focal length f of camera lens,
The mobile frequency n of maximum, refractive index r etc..Then, the information of reading is preserved, while carrying out to module
Calibration so that the camera of image capture device can be linearly moved, so as to ensure that displacement can be utilized
Calculate focal length.If described image collecting device is used focuses module, the basis that can be directly read
Data and calibration data include：Horizontal resolution w, vertical resolution h, size p of single sensitivity speck, mirror
Starting point v0, focal length f of camera lens of head etc..Focus module and be not related to camera lens movement, it is not necessary to carry out module school
It is accurate.
In the embodiment of the present invention, described device also includes Focusing module 45, for for auto-focusing group mould root
Focus operation is carried out according to the focusing instruction of platform.Specifically, focused according to the triggering of the definition of current picture,
Control module moving lens, makes image capture device that clear picture is presented.In the embodiment of the present invention, can be with
According to performance requirement, configuration single movement step number, the more focusing speed of single movement step number are faster, more fast complete
Into measurement, but precise decreasing may be caused, because single movement step number is bigger to represent that image distance change is more obvious.
In the embodiment of the present invention, described device also includes control module 46, for reading image capture device
The full-size held, and preview mode is set.The full-size that image capture device is supported, it is believed that figure
As collecting device in single sensor devices one pixel of correspondence in output.If described image collecting device is supported
Full-size preview, then be set to full-size and start preview, if not supporting full-size preview, can
Start preview to be configured to 1/2,1/4 equidimension, however it is necessary that record conversion ratio.It is described conversion ratio be
One pixel of several sensor devices correspondences, is exactly 4 photosensitive when 1/4 size preview is configured to for example
Device one pixel of correspondence.Configuration focus function starts while correspondence preview size opens preview.Focusing
Described image collecting device can cause pre- according to the picture of current preview, real-time regulation camera after function on
Picture of looking at is clear.
The image size determining module 42, for determining the size of the image of the measurand for collecting；
In the embodiment of the present invention, the image size determining module 42 specifically for：According to shared by the image
Pixel count, the conversion rate of the lens of image capture device and the single sensor devices of image capture device it is big
It is little, it is determined that the size of the image of the measurand for collecting.
Specifically, after the image that image capture module 41 collects measurand, if terminal device has
The function of object identification, image size determining module 42 can then pass through the edge of the object for obtaining automatically to reach
To the effect of the measurement range for automatically configuring；Image size determining module 42 can also manually be matched somebody with somebody
Put, user can determine measurement according to the position of measurand in image by dragging vernier on screen
Scope so that measurand is located in measurement range, completes measurement configuration.
The size of image includes the image height of horizontal direction and the image height of vertical direction, and image height is object in photoreceptor
Image height above part, as shown in m in Fig. 2, it is water that this highly can take pixel count according to imaging
Calculating, in Fig. 2, i.e. image height m is equal to pixel count (water for flat measurement range w and vertical survey scope h
Flat measurement range/vertical survey scope) it is multiplied by size p that conversion ratio r is multiplied by again single sensor devices.I.e.：
Horizontal direction：Unit rice (m)；
Vertical direction：Unit rice (m)；
The length determination modul 43, for according to the size of the image of measurand, the position of image and
Measurand and the distance of image capture device, determine first physical length and/or second of the measurand
Physical length.
First physical length is the length in measurand IMAQ face, and second physical length is
The width in the measurand IMAQ face.
The position of the image is the distance of image and image capture device lens, the measurand and image
The distance of collecting device is the distance of measurand and image capture device lens.
In the embodiment of the present invention, described device also includes first apart from determining module 47, for according to following ginseng
One or more in number, determine the position of image：The starting point of camera lens, single step camera lens displacement, single step
The maximum mobile number of times of camera lens movement number of times, single step camera lens.
As shown in Fig. 2 when described image collecting device is using group mould is focused, the position of the image and thing
As with starting point v0 that camera lens is apart from v of image capture device lens, i.e.,：
V=v0；
When described image collecting device using auto-focusing group mould and measurand and image capture device away from
During from the range of hyperfocal distance, the image is with image capture device lens apart from starting point v0 that v is camera lens
With single step camera lens displacement d0 and mobile number of times c products plus and, i.e.,：
V=v0+c × d0；
When described image collecting device using auto-focusing group mould and measurand and image capture device away from
During from outside hyperfocal distance scope, the image is with image capture device lens apart from starting point v0 that v is camera lens
With single step camera lens displacement d0 and maximum mobile frequency n product plus and, i.e.,：
V=v0+n × d0；
In the embodiment of the present invention, described device also includes second distance determining module 48, tested right for determining
As the distance with image capture device, specifically, according to the position of image and image capture device lens
Focal length, determines the distance of measurand and image capture device.
As shown in Fig. 2 when described image collecting device is using focusing module and measurand and IMAQ
When the distance of equipment is in the range of hyperfocal distance, directly can just inquire measurand from calibration table and adopt with image
Collection equipment apart from u；
When the distance of measurand and image capture device is outside hyperfocal distance scope or described image collection
When equipment is using group mould is focused, then according to the position v and the focal length f of image capture device lens of image, really
Measurand is determined with image capture device apart from u：
Because：
So：
In the embodiment of the present invention, size, image of the length determination modul 43 according to the image of measurand
Position and measurand and image capture device distance, determine the first actual (tube) length of the measurand
Spend and/or the detailed process of the second physical length is：
By determine it is described it is tested to the second symmetrical physical length x as a example by, it can be seen from geometrical principle：Then
In the embodiment of the present invention, described device also includes output module 47, for passing through measurement result to show
Device is exported.
Measuring method described in the embodiment of the present invention and device, it is not necessary to additionally increase hardware, you can realize measurement
Function, possesses good exploitativeness, significantly improves Consumer's Experience.
The embodiment of the present invention additionally provides a kind of mobile terminal, and the mobile terminal includes measurement dress described in Fig. 4
Put.
Each processing module in measurement apparatus shown in Fig. 4 realizes function, can refer to aforementioned measuring method
Associated description and understand.It will be appreciated by those skilled in the art that respectively processing in the measurement apparatus shown in Fig. 4
The function of module can realize by running on the program on processor, also can be by specific logic circuit
Realize, such as：Can by central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP),
Or field programmable gate array (FPGA) is realized.
In several embodiments provided by the present invention, it should be understood that disclosed method, device and movement
Terminal, can realize in other way.Device embodiment described above is only schematic,
For example, the division of the module, only a kind of division of logic function can have other when actually realizing
Dividing mode, such as：Multiple module or components can be combined, or be desirably integrated into another system, or some
Feature can be ignored, or not perform.In addition, the communication each other of shown or discussed each part
Connection can be INDIRECT COUPLING or communication connection by some interfaces, equipment or module, can be it is electrical,
It is machinery or other forms.
It is above-mentioned as separating component explanation module can be or may not be it is physically separate, as
The part that module shows can be or may not be physical module, you can positioned at a place, also may be used
To be distributed on multiple mixed-media network modules mixed-medias；Part or all of module therein can be according to the actual needs selected
Realize the purpose of this embodiment scheme.
In addition, each functional module in various embodiments of the present invention can be fully integrated in a processing module,
Can also be each module individually as a module, it is also possible to which two or more modules are integrated in one
In individual module；Above-mentioned integrated module both can be realized in the form of hardware, it would however also be possible to employ hardware adds soft
The form of part functional module is realized.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of said method embodiment can
To be completed by the related hardware of programmed instruction, aforesaid program can be stored in embodied on computer readable storage
In medium, the program upon execution, performs the step of including said method embodiment；And aforesaid storage is situated between
Matter includes：Movable storage device, read-only storage (ROM, Read-Only Memory), magnetic disc or
CD etc. is various can be with the medium of store program codes.
Or, if the above-mentioned integrated module of the embodiment of the present invention is realized and made in the form of software function module
For independent production marketing or when using, it is also possible in being stored in a computer read/write memory medium.Base
In such understanding, what the technical scheme of the embodiment of the present invention substantially contributed in other words to prior art
Part can be embodied in the form of software product, and the computer software product is stored in a storage medium
In, including some instructions are used so that computer equipment (can be personal computer, server or
Person's network equipment etc.) perform all or part of each embodiment methods described of the invention.And aforesaid storage
Medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
Measuring method, device described in the embodiment of the present invention is not limited only to by taking above-described embodiment as an example
This, it will be understood by those within the art that：It still can be to the skill described in foregoing embodiments
Art scheme is modified, and either carries out equivalent to which part or all technical characteristic；And these are repaiied
Change or replace, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Presently preferred embodiments of the present invention is the foregoing is only, protection scope of the present invention is not intended to limit.
Claims (11)
1. a kind of measuring method, it is characterised in that methods described includes：
IMAQ is carried out to measurand, it is determined that the size of the image of the measurand for collecting；
The position of size, image according to the image of measurand and measurand and image capture device
Distance, determines first physical length and/or the second physical length of the measurand.
2. method according to claim 1, it is characterised in that first physical length is measurand
The length in IMAQ face, second physical length be the measurand IMAQ face width/
Highly.
3. method according to claim 1, it is characterised in that the measurand that the determination is collected
The size of image includes：The conversion rate of the lens of pixel count, image capture device according to shared by the image
And the size of the single sensor devices of image capture device, it is determined that the size of the image of the measurand for collecting.
4. method according to claim 1, it is characterised in that the position of the image is image and image
The distance of collecting device lens, the measurand is measurand and image with the distance of image capture device
The distance of collecting device lens.
5. according to the methods described of claim 1 or 4, it is characterised in that methods described also includes：Determine thing
The position of picture, including：One or more in following parameter, determine the position of image：
The starting point of camera lens, single step camera lens displacement, single step camera lens movement number of times, single step camera lens are maximum mobile
Number of times.
6. according to the methods described of claim 1 or 4, it is characterised in that methods described also includes：It is determined that quilt
The distance of object and image capture device is surveyed, including：Position and image capture device lens according to image
Focal length, determine the distance of measurand and image capture device.
7. a kind of measurement apparatus, it is characterised in that described device includes：Image capture module, image size
Determining module, length determination modul, wherein,
Described image acquisition module, for carrying out IMAQ to measurand；
The image size determining module, for determining the size of the image of the measurand for collecting；
The length determination modul, for according to the size of the image of measurand, the position of image and quilt
The distance of object and image capture device is surveyed, first physical length and/or second of the measurand is determined in fact
Border length.
8. device according to claim 7, it is characterised in that the image size determining module is specifically used
In：The conversion rate and IMAQ of the lens of pixel count, image capture device according to shared by the image
The size of the single sensor devices of equipment, it is determined that the size of the image of the measurand for collecting.
9. device according to claim 7, it is characterised in that described device also includes that the first distance determines
Module, for one or more in following parameter, determines the position of image：
The starting point of camera lens, single step camera lens displacement, single step camera lens movement number of times, single step camera lens are maximum mobile
Number of times.
10. device according to claim 7, it is characterised in that described device also includes that second distance is true
Cover half block, for according to the focal length of the position of image and image capture device lens, determine measurand with
The distance of image capture device.
11. a kind of mobile terminals, it is characterised in that the mobile terminal includes that claim 7 to 10 is arbitrary
The item measurement apparatus.
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| CN201510696167.0A CN106610270A (en) | 2015-10-23 | 2015-10-23 | Measurement method, measurement device and mobile terminal |
| PCT/CN2016/071191 WO2016184152A1 (en) | 2015-10-23 | 2016-01-18 | Measuring method and apparatus, mobile terminal and storage medium |
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| CN201510696167.0A CN106610270A (en) | 2015-10-23 | 2015-10-23 | Measurement method, measurement device and mobile terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151657A (en) * | 2017-12-28 | 2018-06-12 | 上海传英信息技术有限公司 | A kind of dimension of object measuring method and measuring device based on intelligent terminal |
| CN108195288A (en) * | 2017-12-28 | 2018-06-22 | 上海传英信息技术有限公司 | A kind of dimension of object measuring method and measuring device based on intelligent terminal |
| CN109931870A (en) * | 2019-04-03 | 2019-06-25 | 山东大学 | A kind of height detection method and device of view-based access control model detection |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019090556A1 (en) * | 2017-11-09 | 2019-05-16 | 深圳传音通讯有限公司 | Method for measuring size of object and mobile terminal |
| WO2021058841A1 (en) * | 2019-09-27 | 2021-04-01 | Sigma Technologies, S.L. | Method for the unsupervised measurement of the dimensions of an object using a view obtained with a single camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447942A (en) * | 2010-10-09 | 2012-05-09 | 索尼公司 | Imaging device parameter estimation method and method, device and system using imaging device parameter estimation method |
| KR101074678B1 (en) * | 2011-03-03 | 2011-10-18 | 배상모 | A measurement method for real size of object using camera in mobile terminal |
| WO2013099271A1 (en) * | 2011-12-28 | 2013-07-04 | 山田電器工業株式会社 | Dimension measuring method, electronic device with camera, and program for electronic device with camera |
| CN103206919A (en) * | 2012-07-31 | 2013-07-17 | 广州三星通信技术研究有限公司 | Device and method used for measuring object size in portable terminal |
| CN103591894B (en) * | 2013-11-05 | 2017-07-11 | 广东欧珀移动通信有限公司 | The method and apparatus of object length is measured by camera |
| CN103604371B (en) * | 2013-12-06 | 2017-02-15 | 上海华勤通讯技术有限公司 | Mobile terminal and object measurement method thereof |
| CN104279960B (en) * | 2014-10-14 | 2017-01-25 | 安徽大学 | Method for measuring size of object by mobile equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151657A (en) * | 2017-12-28 | 2018-06-12 | 上海传英信息技术有限公司 | A kind of dimension of object measuring method and measuring device based on intelligent terminal |
| CN108195288A (en) * | 2017-12-28 | 2018-06-22 | 上海传英信息技术有限公司 | A kind of dimension of object measuring method and measuring device based on intelligent terminal |
| CN109931870A (en) * | 2019-04-03 | 2019-06-25 | 山东大学 | A kind of height detection method and device of view-based access control model detection |
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