CN103604371B - Mobile terminal and object measurement method thereof - Google Patents
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- CN103604371B CN103604371B CN201310656914.9A CN201310656914A CN103604371B CN 103604371 B CN103604371 B CN 103604371B CN 201310656914 A CN201310656914 A CN 201310656914A CN 103604371 B CN103604371 B CN 103604371B
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Abstract
The invention discloses a mobile terminal and an object measurement method thereof. The object measurement method comprises the following steps: displaying image information acquired by a camera of the mobile terminal in a display screen of the mobile terminal; extracting an outline of a measured object from the image information; acquiring the distance D from the mobile terminal to the measured object through a distance detector of the mobile terminal; acquiring the distance d from an optical center of a lens in the camera to an imaging plane, the size h of the extracted outline in the display screen and a zoom scale n from imaging of the imaging plane to imaging of the display screen; calculating the actual size H of the measured object, wherein H=h*D/(n*d); outputting the actual size. The defect that the object size cannot be measured by a conventional mobile terminal is overcome, and the method has the advantage that the object size is rapidly, simply and effectively measured.
Description
Technical field
The present invention relates to a kind of mobile terminal and its object measuring method.
Background technology
In real life, people need to measure the size of certain object for some reason, but do not have spy at hand
Fixed survey tool, the time is difficult to the result obtaining wanting.And mobile phone is as the carry-on articles of modern, if survey can be possessed
The function of amount dimension of object will bring very big facility.
Content of the invention
The technical problem to be solved in the present invention is to overcome existing mobile terminal to be unable to the defect of Measuring Object size,
A kind of mobile terminal of quick, simple, effective Measuring Object size and its object measuring method are provided.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of object measuring method of mobile terminal, is characterized in, including：
S1, the image information display that collects the photographic head of mobile terminal is in the display screen of mobile terminal；
S2, from described image information extract measured object profile；
S3, mobile terminal is obtained to measured object apart from D by the range finder of mobile terminal；
S4, the photocentre of the lens obtaining in photographic head to imaging plane apart from d, the profile that extracts is in display screen
Size h and the scaling n being imaged onto display screen imaging from imaging plane；
S5, calculate measured object actual size H, H=h*D/（n*d）；
S6, export described actual size.
Wherein, range finder can be infrared range finder, and passes through prior art, it is possible to achieve mobile whole
End（As mobile phone）Middle mounting distance detector.
Preferably, S6Including：Display one comprises the scale frame of described measured object, and the width of described scale frame is equal to measured object
Breadth Maximum, the height of described scale frame is equal to the maximum height of measured object, and described scale frame also includes described for showing
The scale of actual size.Scale frame and scale thereon contribute to the actual size that user reads measured object.
Preferably, S2Also include showing described profile.
Preferably, described object measuring method also includes：In S1Afterwards, S2Before, execute T1；
T1, judge whether to receive first instruction being selected measured zone by user, if so, execute T2, if it is not, execution
S2；
T2, show the measured zone choice box of an adjustable dimension and position in display screen, obtain measured zone and select
Size h of frame ', then execute T3；
T3, the object institute that mobile terminal comprises in measured zone choice box is obtained by the range finder of mobile terminal
Physical plane apart from D ', then execute T4；
T4, the photocentre of lens that obtains in photographic head be imaged onto display screen to imaging plane apart from d ' with from imaging plane
The scaling n ' of imaging, then executes T5；
T5, computation and measurement regional choice frame be mapped in object place physical plane actual size H ', H '=h ' * D '/
（n’*d’）, then execute T6；
T6, output H ', then terminate flow process.The mode of this step output H ' can be to show institute on measured zone choice box
State the scale of actual size.
The miscellaneous function of the object measuring method as described mobile terminal for the such scheme is it is achieved that independently selected by user
Measured zone and measure object be located physical plane on measured zone size.It is more suitable for actual object larger, only
The situation of the size in measurement a portion region.
Preferably, described object measuring method also includes：In S1Afterwards, S2Before, execute P1；
P1, judge whether to receive second instruction being selected measured object by user, if so, execute P2, if it is not, execution S2；
P2, receive one and choose in display screen jobbie as the order of choosing of measured object, then execute S2；
Described choose order to be to click on the object as measured object in display screen, or outlined as measured object with a view-finder
Object.
Such scheme as the object measuring method of described mobile terminal another miscellaneous function it is achieved that being selected by user
Measured object and measure selection measured object size, this miscellaneous function with above-mentioned miscellaneous function and can deposit, also can individually deposit
?.It is more suitable on display screen having multiple objects, select one to measure by user.
A kind of mobile terminal, is characterized in, it includes：One display screen, an extraction module, a range finder, an acquisition
Module, a computing module and an output module；
Described display screen is used for showing the image information that the photographic head of mobile terminal collects；
Described extraction module is used for extracting the profile of measured object from described image information；
Described range finder is used for obtaining mobile terminal to measured object apart from D；
Described acquisition module be used for obtaining the photocentre of lens in photographic head to imaging plane apart from d, the wheel that extracts
Wide size h in display screen and the scaling n being imaged onto display screen imaging from imaging plane；
Described computing module is used for calculating actual size H of measured object, H=h*D/（n*d）；
Described output module is used for exporting described actual size.
Preferably, described output module is used for the scale frame that display one comprises described measured object, the width of described scale frame
Equal to the Breadth Maximum of measured object, the height of described scale frame is equal to the maximum height of measured object, and described scale frame also includes using
In the scale showing described actual size.
Preferably, described extraction module is additionally operable to show described profile.
Preferably, described mobile terminal also includes one first judge module；
Described first judge module is used for judging whether to receive first instruction being selected measured zone by user, and
Judged result is when being, to call a measured zone selecting module, judged result for no when, call described extraction module；
Described measured zone selecting module is used for showing the measured zone choosing of an adjustable dimension and position in display screen
Select frame, obtain size h of measured zone choice box ', then mobile terminal is obtained to survey by the range finder of mobile terminal
The physical plane that in amount regional choice frame, the object that comprises is located apart from D ', then obtain the photocentre of the lens in photographic head to becoming
Image plane apart from d ' and from imaging plane be imaged onto display screen imaging scaling n ', calculate and export measured zone select
Frame is mapped in actual size H of the physical plane at object place ', H '=h ' * D '/（n’*d’）, then terminate to call.
Preferably, described mobile terminal also includes one second judge module；
Described second judge module is used for judging whether to receive second instruction being selected measured object by user, and is sentencing
Disconnected result is when being, to call a measured object selecting module, judged result for no when, call described extraction module；
Described measured object selecting module be used for receiving one choose jobbie in display screen as measured object choose order,
Then call described extraction module；
Described choose order to be to click on the object as measured object in display screen, or outlined as measured object with a view-finder
Object.
The positive effect of the present invention is：Using the mobile terminal with photographic head and range finder it is achieved that
The quick measurement of dimension of object.At the same time it can also possess by user independently select measured zone and measured object function it is adaptable to
Multiple situations, have easily and efficiently advantage.
Brief description
Fig. 1 is the schematic flow sheet of the object measuring method of mobile terminal of the embodiment of the present invention.
Fig. 2 is the structural representation of the mobile terminal of the embodiment of the present invention.
Specific embodiment
Mode below by embodiment further illustrates the present invention.
Embodiment
A kind of object measuring method of mobile terminal, referring to Fig. 1, including：
Step 101, the image information display collecting the photographic head of mobile terminal are in the display screen of mobile terminal.
Step 102, judge whether to receive first instruction being selected measured zone by user, if it is not, execution step
103, if so, execution step 110.
Step 103, judge whether to receive second instruction being selected measured object by user, if so, execution step 104,
If it is not, execution step 105.
Step 104, receive one choose jobbie in display screen as measured object choose order, wherein said choose life
Make as clicking on the object as measured object in display screen, or outline the object as measured object with a view-finder.
Step 105, extract the profile of measured object from described image information, and show described profile.
Step 106, obtain mobile terminal by the range finder of mobile terminal to measured object apart from D.
Step 107, the photocentre of the lens obtaining in photographic head to imaging plane apart from d, the profile that extracts showing
Size h in screen and the scaling n being imaged onto display screen imaging from imaging plane.
Step 108, actual size H of calculating measured object, H=h*D/（n*d）.
Step 109, display one comprise the scale frame of described measured object, and the width of described scale frame is equal to the maximum of measured object
Width, the height of described scale frame is equal to the maximum height of measured object, and described scale frame is also included for showing described actual chi
The scale of very little H, then terminates flow process.
Step 110, show the measured zone choice box of an adjustable dimension and position in display screen, obtain measured zone
Size h of choice box '.
Step 111, obtain what mobile terminal comprised in measured zone choice box by the range finder of mobile terminal
Object be located physical plane apart from D '.
The photocentre of the lens in step 112, acquisition photographic head is imaged onto to imaging plane apart from d ' with from imaging plane
The scaling n ' of display screen imaging.
Step 113, computation and measurement regional choice frame are mapped in actual size H of the physical plane at object place ', H '=h ' *
D’/（n’*d’）.
Step 114, output H ', show the scale of described actual size on measured zone choice box.
Although the object measuring method of described mobile terminal includes above-mentioned steps, also can be split into three independent
Technical scheme, measures the size of measured object respectively（Step 101,105-109）, the size of designated area（Step 101,102,
110-114）Size with specified measured object（Step 101,103-109）, also can be by these three technical scheme combination of two.Separately
Outward, d, h, n, d being related in the object measuring method of described mobile terminal ', h ' and n ' all can be compiled by existing software
Journey or hardware detection obtain, and will not be described here.
A kind of mobile terminal of the present embodiment, referring to Fig. 2, including：One display screen（In figure is not shown）, one first judge mould
Block 21, one second judge module 22, a measured object selecting module 23, an extraction module 24, a range finder（In figure is not shown
Go out）, an acquisition module 25, a computing module 26, an output module 27 and a measured zone selecting module 28.
Described display screen is used for showing the image information that the photographic head of mobile terminal collects, and then calls described first to sentence
Disconnected module 21.
Described first judge module 21 is used for judging whether to receive first instruction being selected measured zone by user, and
Judged result for no when, call described second judge module 22, when judged result is to be, call described measured zone to select
Module 28.
Described second judge module 22 is used for judging whether to receive second instruction being selected measured object by user, and
Judged result is when being, to call described measured object selecting module 23, judged result for no when, call described extraction module 24.
Described measured object selecting module 23 be used for receiving one choose jobbie in display screen as measured object choose life
Order.Wherein, described choose order to be to click on the object as measured object in display screen, or outlined as measured object with a view-finder
Object.
Described extraction module 24 is used for extracting the profile of measured object from described image information, and shows described profile.
Described range finder is used for obtaining mobile terminal to measured object apart from D.
Described acquisition module 25 be used for obtaining the photocentre of lens in photographic head to imaging plane apart from d, extract
Size h in display screen for the profile and the scaling n being imaged onto display screen imaging from imaging plane.
Described computing module 26 is used for calculating actual size H of measured object, H=h*D/（n*d）；
Described output module 27 is used for the scale frame that display one comprises described measured object, and the width of described scale frame is equal to quilt
Survey the Breadth Maximum of thing, the height of described scale frame is equal to the maximum height of measured object, described scale frame is also included for showing
The scale of described actual size, then terminates to call.
Described measured zone selecting module 28 is used for showing the measured zone of an adjustable dimension and position in display screen
Choice box, obtains size h of measured zone choice box ', then mobile terminal is obtained by the range finder of mobile terminal and arrive
The physical plane that the object that comprises in measured zone choice box is located apart from D ', then obtain the photocentre of the lens in photographic head and arrive
The scaling n ' being imaged onto display screen imaging apart from d ' with from imaging plane of imaging plane, computation and measurement regional choice frame reflects
Penetrate actual size H of the physical plane being located in object ', H '=h ' * D '/（n’*d’）, and export H ', select in measured zone
The scale of described actual size is shown on frame, then terminates to call.
Although the foregoing describing the specific embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes
Each fall within protection scope of the present invention with modification.
Claims (6)
1. a kind of object measuring method of mobile terminal is it is characterised in that include：
S1, the image information display that collects the photographic head of mobile terminal is in the display screen of mobile terminal；
S2, from described image information extract measured object profile；
S3, mobile terminal is obtained to measured object apart from D by the range finder of mobile terminal；
S4, the photocentre of the lens obtaining in photographic head to imaging plane apart from d, the profile that extracts size h in display screen
With the scaling n being imaged onto display screen imaging from imaging plane；
S5, calculate measured object actual size H, H=h*D/ (n*d)；
S6, the display one scale frame that comprises described measured object, the width of described scale frame is equal to the Breadth Maximum of measured object, described
The height of scale frame is equal to the maximum height of measured object, and described scale frame also includes the scale for showing described actual size；
Described object measuring method also includes：In S1Afterwards, S2Before, execute T1；
T1, judge whether to receive first instruction being selected measured zone by user, if so, execute T2, if it is not, execution S2；
T2, show the measured zone choice box of an adjustable dimension and position in display screen, obtain the chi of measured zone choice box
Very little h ', then executes T3；
T3, obtain what the object that mobile terminal comprises in measured zone choice box was located by the range finder of mobile terminal
Physical plane apart from D ', then execute T4；
T4, obtain photographic head in lens photocentre arrive imaging plane apart from d ' and from imaging plane be imaged onto display screen be imaged
Scaling n ', then execute T5；
T5, computation and measurement regional choice frame be mapped in object place physical plane actual size H ', H '=h ' * D '/(n ' *
D '), then execute T6；
T6, output H ', then terminate flow process.
2. the object measuring method of mobile terminal as claimed in claim 1 is it is characterised in that S2Also include showing described profile.
3. the object measuring method of mobile terminal as claimed in claim 1 is it is characterised in that described object measuring method also wraps
Include：In S1Afterwards, S2Before, execute P1；
P1, judge whether to receive second instruction being selected measured object by user, if so, execute P2, if it is not, execution S2；
P2, receive one and choose in display screen jobbie as the order of choosing of measured object, then execute S2；
Described choose order to be to click on the object as measured object in display screen, or outline the thing as measured object with a view-finder
Body.
4. a kind of mobile terminal is it is characterised in that it includes：One display screen, an extraction module, a range finder, an acquisition
Module, a computing module and an output module；
Described display screen is used for showing the image information that the photographic head of mobile terminal collects；
Described extraction module is used for extracting the profile of measured object from described image information；
Described range finder is used for obtaining mobile terminal to measured object apart from D；
Described acquisition module be used for obtaining the photocentre of lens in photographic head to imaging plane apart from d, the profile that extracts exists
Size h in display screen and the scaling n being imaged onto display screen imaging from imaging plane；
Described computing module is used for calculating actual size H of measured object, H=h*D/ (n*d)；
Described output module is used for the scale frame that display one comprises described measured object, and the width of described scale frame is equal to measured object
Breadth Maximum, the height of described scale frame is equal to the maximum height of measured object, and described scale frame is also included for showing described reality
The scale of border size；
Described mobile terminal also includes one first judge module；
Described first judge module is used for judging whether to receive first instruction being selected measured zone by user, and is judging
Result is when being, to call a measured zone selecting module, judged result for no when, call described extraction module；
Described measured zone selecting module is used for showing the measured zone choice box of an adjustable dimension and position in display screen,
Obtain size h of measured zone choice box ', then mobile terminal is obtained to measured zone by the range finder of mobile terminal
The physical plane that the object that comprises in choice box is located apart from D ', then obtain the photocentre of the lens in photographic head to imaging plane
Apart from d ' and from imaging plane be imaged onto display screen imaging scaling n ', calculate and export measured zone choice box mapping
Actual size H of the physical plane being located in object ', H '=h ' * D '/(n ' * d '), then terminates to call.
5. mobile terminal as claimed in claim 4 is it is characterised in that described extraction module is additionally operable to show described profile.
6. mobile terminal as claimed in claim 4 is it is characterised in that described mobile terminal also includes one second judge module；
Described second judge module is used for judging whether to receive second instruction being selected measured object by user, and is judging knot
Fruit is when being, to call a measured object selecting module, judged result for no when, call described extraction module；
Described measured object selecting module is used for receiving one and chooses in display screen jobbie as the order of choosing of measured object, then
Call described extraction module；
Described choose order to be to click on the object as measured object in display screen, or outline the thing as measured object with a view-finder
Body.
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| CN201310656914.9A CN103604371B (en) | 2013-12-06 | 2013-12-06 | Mobile terminal and object measurement method thereof |
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| CN103604371B true CN103604371B (en) | 2017-02-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104461009B (en) * | 2014-12-22 | 2018-01-09 | 百度在线网络技术（北京）有限公司 | The measuring method and smart machine of object |
| CN104679426B (en) * | 2015-01-05 | 2019-04-26 | 深圳市金立通信设备有限公司 | A kind of terminal |
| CN104598228A (en) * | 2015-01-05 | 2015-05-06 | 深圳市金立通信设备有限公司 | Measuring method of size of object |
| CN105180802B (en) * | 2015-05-04 | 2017-08-15 | 广东欧珀移动通信有限公司 | A kind of dimension of object information identifying method and device |
| CN105100495B (en) * | 2015-08-25 | 2018-04-13 | 李万鸿 | A kind of method using mobile phone camera functional measurement object plane size |
| CN106610270A (en) * | 2015-10-23 | 2017-05-03 | 中兴通讯股份有限公司 | Measurement method, measurement device and mobile terminal |
| CN105554247B (en) * | 2015-12-07 | 2019-05-14 | 魅族科技（中国）有限公司 | Measurement method, measuring system and terminal |
| CN105627920A (en) * | 2015-12-18 | 2016-06-01 | 小米科技有限责任公司 | Method and device for displaying size |
| CN105635584A (en) * | 2016-01-27 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Terminal shooting method and device and terminal |
| CN106091929A (en) * | 2016-07-27 | 2016-11-09 | 乐视控股（北京）有限公司 | A kind of method utilizing mobile terminal Measuring Object and measurement apparatus |
| CN108072321A (en) * | 2016-11-17 | 2018-05-25 | 天津三星通信技术研究有限公司 | For the measuring method and equipment of electric terminal |
| CN107504902A (en) * | 2017-08-24 | 2017-12-22 | 广东小天才科技有限公司 | Length measuring method and device, mobile terminal and storage medium |
| 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 |
| CN109239698B (en) * | 2018-08-02 | 2022-12-20 | 华勤技术股份有限公司 | Camera ranging method and electronic equipment |
| CN109520419A (en) * | 2018-12-06 | 2019-03-26 | 闻泰通讯股份有限公司 | Pass through the method, device and mobile terminal of image measurement dimension of object |
| CN110068269A (en) * | 2019-04-16 | 2019-07-30 | 重庆金山医疗器械有限公司 | The method and system of article size to be measured in a kind of determining image |
| CN110779615A (en) * | 2019-11-05 | 2020-02-11 | 四川双元智能科技有限公司 | Method and device for measuring object vibration by using optical principle |
| CN113646606A (en) * | 2019-12-31 | 2021-11-12 | 深圳市大疆创新科技有限公司 | Control method, control equipment, unmanned aerial vehicle and storage medium |
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| JP5495683B2 (en) * | 2009-09-10 | 2014-05-21 | キヤノン株式会社 | Imaging apparatus and distance measuring method |
| KR101074678B1 (en) * | 2011-03-03 | 2011-10-18 | 배상모 | A measurement method for real size of object using camera in mobile terminal |
| 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 |
| CN102883069A (en) * | 2012-10-15 | 2013-01-16 | 上海华勤通讯技术有限公司 | Mobile terminal and operating method thereof |
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