CN107753028A - Take pictures and survey method, mobile terminal and the computer-readable recording medium of height - Google Patents
Take pictures and survey method, mobile terminal and the computer-readable recording medium of height Download PDFInfo
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- CN107753028A CN107753028A CN201710849565.0A CN201710849565A CN107753028A CN 107753028 A CN107753028 A CN 107753028A CN 201710849565 A CN201710849565 A CN 201710849565A CN 107753028 A CN107753028 A CN 107753028A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1079—Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
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Abstract
The invention discloses a kind of method taken pictures and survey height, this method includes：When mobile terminal opens camera function, upright photographed person is focused, and the original image formed in the photo-sensitive cell for obtaining the mobile terminal when focusing and completing；The object distance and image distance of photographed person when focusing is completed are obtained, and obtains the current obliquity information of taking pictures of the mobile terminal；The magnifying power of the original image is calculated according to the object distance and image distance；Correction character image size is obtained according to the original image and shooting obliquity information, and the actual height of personage is calculated according to correction personage's size and magnifying power.The invention also discloses a kind of mobile terminal and computer-readable recording medium.The mobile terminal of the present invention can obtain the actual height of photographed person when taking pictures, and so as to be extended to the camera function of mobile terminal, be user-friendly, improve the usage experience of user.
Description
Technical field
The present invention relates to shooting technology field, more particularly to a kind of take pictures to survey method, mobile terminal and the computer of height
Readable storage medium storing program for executing.
Background technology
With the development of terminal shooting technology, the camera function supported on mobile phone is increasingly abundanter, also has increasing
People likes being taken pictures with mobile phone.The processing such as existing mobile phone can be focused automatically when taking pictures, light filling, noise reduction, U.S. face,
But the height of automatic people shot can not be measured during current mobile phone photograph, therefore the camera function of mobile phone stills need to expand
Exhibition.
The content of the invention
It is a primary object of the present invention to provide a kind of take pictures to survey method, mobile terminal and the computer-readable storage of height
Medium, it is intended to which realization measures to the height of people automatically when taking pictures.
To achieve the above object, the present invention provides a kind of method taken pictures and survey height, and the method for taking pictures survey height should
For mobile terminal, the method for taking pictures survey height comprises the following steps：
When the mobile terminal opens camera function, upright photographed person is focused, and when focusing completion
Obtain the original image formed in the photo-sensitive cell of the mobile terminal；
The object distance and image distance of photographed person when focusing is completed are obtained, and obtains current the taking pictures of the mobile terminal and inclines
Angle information；
The magnifying power of the original image is calculated according to the object distance and image distance；
Correction character image size is obtained according to the original image and shooting obliquity information, and according to the correction personage
Size and magnifying power calculate the actual height of personage.
Further, it is described to obtain the object distance and image distance of the photographed person and camera lens when focusing is completed, and described in acquisition
Mobile terminal take pictures obliquity information the step of include：
The camera lens is obtained in displacement when completing of focusing by displacement transducer, and the displacement is designated as described
The image distance of photographed person；
The object distance of the photographed person and camera lens is obtained based on Gaussian imaging equation, the image distance and lens focus；
The obliquity information of taking pictures of the mobile terminal is obtained by gravity sensor.
Further, it is described that correction character image size, and root are obtained according to the original image and shooting obliquity information
The step of calculating personage's actual height according to correction personage's size and magnifying power includes：
Original character image size is obtained according to the original image, and based on the shooting obliquity information to described original
Character image size carries out dimension correction, obtains correction character image size；
The actual height of personage is calculated according to correction personage's size and magnifying power.
Further, described the step of obtaining original character image size according to the original image, includes：
Person detecting is carried out to the original image, identifies the character image in the original image；
The pixel count of the character image is obtained, and original character image size is obtained according to the pixel count.
Further, it is described that correction character image size, and root are obtained according to the original image and shooting obliquity information
After the step of personage's actual height being calculated according to correction personage's size and magnifying power, in addition to：
When receiving height idsplay order, the original image is shown, and the people is marked in the original image
The actual height of thing.
Further, it is described when receiving height idsplay order, the original image is shown, and in the original image
After the step of middle mark personage actual height, in addition to：
When receiving areal survey instruction, the part figure map in the original image is chosen in the operation based on user
Picture；
According to the height dimension Relation acquisition dimension scale between the part character image and original character image, and root
Actual height corresponding to the part character image is calculated according to the dimension scale and the actual height of personage；
Actual height corresponding to the part character image is marked in the original image.
Further, it is described that correction character image size, and root are obtained according to the original image and shooting obliquity information
After the step of personage's actual height being calculated according to correction personage's size and magnifying power, in addition to：
By the actual height information of the personage and original image associated storage.
Further, it is described to include the step of actual height information of the personage and original image associated storage：
Increase personage's height field in the file data field of the original image, and the actual height of the personage is believed
Breath is stored in personage's height field.
In addition, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal include processor,
Memory and it is stored on the memory and height program, the survey of taking pictures can be surveyed by taking pictures for the computing device
When height program is by the computing device, following steps are realized：
When the mobile terminal opens camera function, upright photographed person is focused, and when focusing completion
Obtain the original image formed in the photo-sensitive cell of the mobile terminal；
The object distance and image distance of photographed person when focusing is completed are obtained, and obtains current the taking pictures of the mobile terminal and inclines
Angle information；
The magnifying power of the original image is calculated according to the object distance and image distance；
Correction character image size is obtained according to the original image and shooting obliquity information, and according to the correction personage
Size and magnifying power calculate the actual height of personage.
In addition, to achieve the above object, the present invention also provides a kind of computer-readable recording medium, described computer-readable
It is stored with to take pictures in storage medium and surveys height program, wherein when the survey height program of taking pictures is executed by processor, realizes following
Step：
When the mobile terminal opens camera function, upright photographed person is focused, and when focusing completion
Obtain the original image formed in the photo-sensitive cell of the mobile terminal；
The object distance and image distance of photographed person when focusing is completed are obtained, and obtains current the taking pictures of the mobile terminal and inclines
Angle information；
The magnifying power of the original image is calculated according to the object distance and image distance；
Correction character image size is obtained according to the original image and shooting obliquity information, and according to the correction personage
Size and magnifying power calculate the actual height of personage.
The present invention to upright photographed person by when mobile terminal opens camera function, focusing, and focusing
The original image formed in the photo-sensitive cell of the mobile terminal is obtained during completion；Obtain photographed person when focusing is completed
Object distance and image distance, and obtain the current obliquity information of taking pictures of the mobile terminal；The original is calculated according to the object distance and image distance
The magnifying power of beginning image；Correction character image size is obtained according to the original image and shooting obliquity information, and according to described
Correct personage's size and magnifying power calculates the actual height of personage.By being obtained with upper type, mobile terminal of the invention when taking pictures
The imaging parameters and shooting obliquity information of mobile phone are taken, and combining camera (lens) imaging law is analyzed and calculated, and obtains quilt
The actual height of personage is taken the photograph, so as to be extended to the camera function of mobile terminal, is user-friendly, improves user's
Usage experience.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram for the mobile terminal that scheme of the embodiment of the present invention is related to；
Fig. 2 is the schematic flow sheet of the method first embodiment of the invention taken pictures and survey height；
Fig. 3 is that of the invention take pictures surveys the imaging schematic diagram that the method first embodiment of height is related to；
Character image is highly schematic when Fig. 4 is the pattern distortion that the method first embodiment of the invention for taking pictures survey height is related to
Figure；
Fig. 5 is that the object distance and image distance of the photographed person and camera lens when focusing is completed are obtained described in Fig. 2, and obtains the shifting
The refinement schematic flow sheet of the obliquity information of taking pictures of dynamic terminal；
Fig. 6 is to be obtained to correct character image size according to the original image and shooting obliquity information described in Fig. 2, and according to
Correction personage's size and magnifying power calculate the refinement schematic flow sheet of the actual height of personage；
Fig. 7 is the schematic flow sheet of the second embodiment of the method for the invention taken pictures and survey height；
Fig. 8 is the schematic flow sheet of the 3rd embodiment of the method for the invention taken pictures and survey height；
Fig. 9 is the construction module schematic diagram of mobile terminal of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The main thought of scheme of the embodiment of the present invention is：When mobile terminal opens camera function, to upright people shot
Thing is focused, and the original image formed in the photo-sensitive cell for obtaining the mobile terminal when focusing and completing；Obtain focusing
The object distance and image distance of photographed person during completion, and obtain the current obliquity information of taking pictures of the mobile terminal；According to described
Object distance and image distance calculate the magnifying power of the original image；Correction personage is obtained according to the original image and shooting obliquity information
Picture size, and the actual height of personage is calculated according to correction personage's size and magnifying power.
In scheme of the embodiment of the present invention, the method for survey height of taking pictures is applied to mobile terminal, and the mobile terminal can be with each
Kind of form is implemented, for example, the mobile terminal being related in the present invention can include such as mobile phone, tablet personal computer, palm PC, number
Code-phase machine, personal digital assistant (Personal Digital Assistant, PDA), portable media player (Portable
Media Player, PMP), guider, wearable device, Intelligent bracelet, the mobile terminal such as pedometer.
It will be illustrated in subsequent descriptions by taking mobile phone as an example, it will be appreciated by those skilled in the art that except being used in particular for
Outside the element of mobile purpose, construction according to the embodiment of the present invention can also apply to other types of mobile terminal.
Referring to Fig. 1, Fig. 1 is the mobile terminal hardware architecture diagram for realizing each embodiment of the present invention, the terminal 100
It can include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit 103, A/V (sounds
Frequently/video) input block 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory
109th, the part such as processor 110 and power supply 111.It will be understood by those skilled in the art that the terminal structure shown in Fig. 1 is simultaneously
The restriction to mobile terminal is not formed, and mobile terminal can be included than illustrating more or less parts, or some portions of combination
Part, or different parts arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, up data are sent to base station.Generally, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrate
Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 2 shows
Go out WiFi module 102, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can be according to need
To be omitted in the essential scope for do not change invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is receiving or
It is sound that the voice data stored in memory 109, which is converted into audio signal and exported,.Moreover, audio output unit 103
The audio output related to the specific function that mobile terminal 100 performs can also be provided (for example, call signal receives sound, disappeared
Breath receives sound etc.).Audio output unit 103 can include loudspeaker, buzzer etc..
A/V input blocks 104 are used to receive audio or video signal.A/V input blocks 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out
Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after the processing of graphics processor 1041 can be deposited
Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound
Caused noise or interference during frequency signal.
Mobile terminal 100 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity, the application available for identification terminal posture are can detect that when static
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.
User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071 with
And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch operation of the user on or near it
(for example user uses any suitable objects or annex such as finger, stylus on contact panel 1071 or in contact panel 1071
Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
Contact coordinate is converted into, then gives processor 110, and the order sent of reception processing device 110 and can be performed.In addition, can
To realize contact panel 1071 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
One or more, do not limit herein specifically.
Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel
1061 be the part independent as two to realize the input of mobile terminal and output function, but in certain embodiments, can
Input and the output function of mobile terminal are realized so that contact panel 1071 and display panel 1061 is integrated, is not done herein specifically
Limit.
Interface unit 108 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 100.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, program and/or module are shown by running or performing the message being stored in memory 109, and call and be stored in
Data in memory 109, the various functions and processing data of mobile terminal are performed, so as to carry out overall prison to mobile terminal
Control.Processor 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate
Processor is adjusted, wherein, application processor mainly handles operating system, user interface and application program etc., modem processor
Main processing communicates without 0 line.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) to all parts power supply, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The function such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also will not be repeated here including bluetooth module etc..
Based on above-mentioned mobile terminal hardware configuration, each embodiment of proposition method of the invention that survey height of taking pictures.
The present invention provides a kind of method taken pictures and survey height.
Reference picture 2, Fig. 2 are the schematic flow sheet of the method first embodiment of the invention taken pictures and survey height.
In the present embodiment, the method for taking pictures survey height is applied to mobile terminal, and described take pictures surveys the method bag of height
Include following steps：
Step S10, when the mobile terminal opens camera function, upright photographed person is focused, and right
Jiao obtains the original image formed in the photo-sensitive cell of the mobile terminal when completing；
With the development of terminal shooting technology, the camera function supported on mobile phone is increasingly abundanter, also has increasing
People likes being taken pictures with mobile phone.The processing such as existing mobile phone can be focused automatically when taking pictures, light filling, noise reduction, U.S. face,
But the height of automatic people shot can not be measured during current mobile phone photograph, therefore the camera function of mobile phone stills need to expand
Exhibition.Based on the problem, a kind of method taken pictures and survey height is proposed in the present embodiment, automatically to the body of people during realizing mobile phone photograph
Height measures.
Specifically, in the present embodiment, the accuracy of mobile phone of user has camera, has shoot function；User is being needed to certain
When individual photographed person is taken pictures, that is, open the camera applications in mobile phone, the exposal model of entrance；Now mobile phone shows preview circle
Face, the image for mobile phone camera will be shown currently being captured in preview interface, so that user understands imaging feelings according to preview interface
Condition, and according to the shooting posture of preview interface adjustment mobile phone.What deserves to be explained is measured while being to be taken pictures in the present embodiment
Go out the height of photographed person, and photographed person be upright state when taking pictures, so just can guarantee that will not be because being shot people
The limbs of thing bend and cause measurement result larger error occur；Meanwhile when adjusting the shooting posture of mobile phone, it should to ensure
Captured obtained photo includes the whole body imaging of photographed person, so can just measure the total height of photographed person.
When user adjusts the photography posture of mobile phone, the camera of mobile phone should be against photographed person, now for
Imaging clearly, mobile phone will be focused automatically.Wherein, focusing is also named to light, focused on, and is by Focusing mechanism (camera
Camera lens or eyeglass) be adjusted, to change the position of object distance and image distance, the process for making made thing imaging clearly is exactly to focus.
The camera lens of mobile phone camera is equivalent to a convex lens；When being taken pictures, a branch of directional light is worn with the main shaft with convex lens
Convex lens are crossed, can be pooled a bit by convex lens in the opposite side of convex lens, this point is called the focus (both sides of a convex lens
Respectively there is a focus)；Focus is just the focal length of this convex lens to the distance of convex lens photocentre.Object distance is photographed person to convex lens
The distance of mirror (camera lens), that is, the distance of camera and photographed person.Image distance is exactly to be imaged onto the distance of convex lens (camera lens),
It is exactly the distance of photo-sensitive cell (senosr) and camera lens.When the camera lens of camera is typically made of convex lens, photographed person's is most clear
Clear imaging just will not typically fall in focus, in other words, most clearly as the distance (image distance) to photocentre is generally not equal to
Focal length, and it is slightly greater than focal length.When taking pictures, in order that imaging clearly of the photographed person on photo-sensitive cell is, it is necessary to pass through tune
The position of photo-sensitive cell and/or camera lens is saved, the most blur-free imaging of photographed person is just fallen on photo-sensitive cell, this process is
For " focusing ".Focus complete when, mobile phone will obtain the original image that is formed in the photo-sensitive cell of mobile phone of photographed person, that is, clap
According to obtaining original image.Certainly, can be that automatic camera obtains when focusing completion when mobile phone obtains original image；Also may be used
To be to complete output prompt message in focusing, to prompt user that focusing completion can be taken pictures, and according to the behaviour that takes pictures of user
Make (such as pressing camera button, voice operating) to be taken pictures, obtain original image.
Step S20, the object distance and image distance of photographed person when focusing is completed are obtained, and it is current to obtain the mobile terminal
Obliquity information of taking pictures；
In the present embodiment, mobile phone will also enable built-in detection module (such as gyroscope, gravity sensitive in the process of focusing
Device, obliquity sensor etc.), the gripping gesture current to mobile phone sense in real time and detect, and obtains mobile phone current shooting inclination angle
Information (angle of inclination).When focusing completion, mobile phone will get the shooting inclination angle of mobile phone shooting time by the detection module
Information, and recorded.Meanwhile mobile phone will also measure the distance between photographed person and camera lens, obtain photographed person and camera lens
Between object distance L；And measurement photographed person most clearly imaging (i.e. to defocused photo-sensitive cell position) and camera lens it
Between image distance l.Wherein, can be obtained by various ways for image distance l and object distance L acquisition.Such as can be in mobile phone
Distance measuring sensor (such as infrared distance measuring sensor, laser range sensor or ultrasonic distance-measuring sensor corresponding to middle configuration
Deng), the object distance L between photographed person and camera lens is measured by the distance measuring sensor, then further according to Gaussian imaging equation (thoroughly
Mirror imaging formula), image distance l and lens focus f etc. calculate the image distance of photographed person and camera lens, wherein Gaussian imaging equation is：
1/f=1/l+1/L is 1.
In 1. formula, f is focal length, and l is image distance, and L is object distance；Fig. 3 is can refer to herein, and Fig. 3 is that the imaging of the present embodiment is shown
It is intended to；When focusing completion, 2. three meets above-mentioned Gaussian imaging equation, and object distance L has been obtained in step S20；Focal length f is
The definite value property parameters of mobile lens, can be recorded in when mobile phone dispatches from the factory in internal memory.Pass through 1. formula, you can calculate picture
Away from.
Certainly the image distance l that shooting time is first measured by displacement sensing is can also be, further according to Gaussian imaging equation (1.
Formula), image distance l and lens focus f calculate object distance L now.
Step S30, the magnifying power of the original image is obtained according to the lens focus of the object distance and the mobile terminal；
In the present embodiment, when getting object distance, image distance, obliquity information and the original image of shooting time, you can carry out
The calculating of the actual height of photographed person.Specifically, first to calculate the magnifying power of original image first, magnifying power can be regarded as original
The dimension scale of character image and actual object in image, its calculation formula are：
K=l/L=y/Y is 2.
In 2. formula, k is magnifying power, and l is image distance, and L is object distance, and y is the character image height in original image, and Y is quilt
Take the photograph the actual height of personage.
In the present embodiment, the image distance l obtained by step S20 and object distance L is substituted into 2. formula, you can magnifying power k is calculated.
Step S40, correction character image size is obtained according to the original image and shooting obliquity information, and according to described
Correct personage's size and magnifying power calculates the actual height of personage.
In the present embodiment, when obtaining the magnifying power k of original image, it is also necessary to get original image to step S10 and enter
Row analyzing and processing, the character image size according to corresponding to the original image gets photographed person；Obtaining the people of photographed person
During object image size, with reference to the magnifying power k of original image, you can the actual height of photographed person is calculated.
What deserves to be explained is when being taken pictures, the problem of due to user's grip, the plane where mobile phone screen is simultaneously
It is not necessarily perpendicular to the ground, that is to say, that mobile phone is not necessarily equal to 90 degree with ground angulation, bat now
It is probably to take a crane shot or face upward the form of bat according to state；In this case, object is imaged compared with material object, often its height side
To shape be often distorted.Reference picture 4, character image high-level schematic, wherein y when Fig. 4 is pattern distortion0To be original
Original personage's height dimension of character image in image, y are correction personage's height dimension of character image, and α is mobile phone screen
The screen of place screen and the angle on ground (being not equal to 90 degree), now y=y0cosα。
When obtaining correcting character image size, by the magnifying power k generations obtained by the correction character image size and step S30
Enter formula, you can the actual height of photographed person is calculated, wherein, correction character image size is the 2. y in formula.
In the present embodiment, when mobile terminal opens camera function, upright photographed person is focused, and is focusing
The original image formed in the photo-sensitive cell of the mobile terminal is obtained during completion；Obtain photographed person when focusing is completed
Object distance and image distance, and obtain the current obliquity information of taking pictures of the mobile terminal；The original is calculated according to the object distance and image distance
The magnifying power of beginning image；Correction character image size is obtained according to the original image and shooting obliquity information, and according to described
Correct personage's size and magnifying power calculates the actual height of personage.By with upper type, the mobile terminal of the present embodiment when taking pictures,
The imaging parameters and shooting obliquity information of mobile phone are obtained, and combining camera (lens) imaging law is analyzed and calculated, and is obtained
The actual height of photographed person, so as to be extended to the camera function of mobile terminal, it is user-friendly, improves user
Usage experience.
Reference picture 5, Fig. 5 is that the object distance and image distance of the photographed person and camera lens when focusing is completed are obtained described in Fig. 2, and is obtained
Take the refinement schematic flow sheet of the obliquity information of taking pictures of the mobile terminal.
Based on above-mentioned embodiment illustrated in fig. 2, step S20 includes in the present embodiment：
Step S21, the camera lens is obtained in displacement when completing of focusing by displacement transducer, and by the displacement
It is designated as the image distance of the photographed person；
Step S22, the thing of the photographed person and camera lens is obtained based on Gaussian imaging equation, the image distance and lens focus
Away from；
Step S23, the obliquity information of taking pictures of the mobile terminal is obtained by gravity sensor.
In the present embodiment, displacement transducer is configured with mobile phone, mobile phone can pass through the displacement sensing during focusing
The offset of device detector lens, because often photo-sensitive cell is static in the focus process of mobile phone camera, adjustment is mirror
The position of head, therefore when focusing completion, the offset of now camera lens can be obtained by displacement transducer, and the offset is remembered
Record as image distance l.When obtaining image distance l, with reference to the focal length f of camera lens in itself, image distance l and lens focus f are updated to Gauss imaging
In formula (1. formula), you can object distance L is calculated.
Further, it is also configured with gravity sensor in mobile phone, mobile phone will also be examined by gravity sensor taking pictures constantly
The shooting posture of mobile phone is surveyed, screen and ground angle, current in shooting time so as to obtain mobile phone where measurement mobile phone screen
Shooting obliquity information and recorded.
Reference picture 6, Fig. 6 are to obtain correction character image chi according to the original image and shooting obliquity information described in Fig. 2
It is very little, and according to the refinement schematic flow sheet of correction personage's size and the magnifying power calculating actual height of personage.
Based on above-mentioned embodiment illustrated in fig. 2, step S40 includes in this implementation：
Step S41, original character image size is obtained according to the original image, and based on the shooting obliquity information pair
The original character image size carries out dimension correction, obtains correction character image size；
Step S42, the actual height of personage is calculated according to correction personage's size and magnifying power.
In the present embodiment, for the acquisition process of character image size, it can be realized in：Mobile phone needs pair first
Original image is detected, and identifies the character image in original image, then the size of character image is measured, so as to obtain
Obtain original character image size.Specifically, mobile phone can carry out person detecting (including Face datection and people's physical examination to original image
Survey), people's object area in the original image is identified, people's object area constitutes character image；Then can be to the figure map
As shared pixel count is counted, the pixel count of character image short transverse is obtained, further according to the pixel count of its short transverse
With the picture size representated by each pixel, you can get the original character image size in the original image.
And the problem of due to user's grip, the plane where mobile phone screen are not necessarily perpendicular to the ground, also
It is to say, mobile phone is not necessarily equal to 90 degree with ground angulation, then mobile phone photograph state is probably to take a crane shot or face upward bat
Form；Therefore, the original character image size of above-mentioned acquisition can not be directly used in calculate personage's actual height, it is necessary to according to
Corrected at the inclination angle of the shooting time of mobile phone.Now, mobile phone believes the shooting inclination angle for obtaining (shooting time) when focusing is completed
Breath, and dimension correction is carried out to original character image size according to the shooting obliquity information, obtain correction character image size.
When obtaining correcting character image size, by the magnifying power k generations obtained by the correction character image size and step S30
Enter formula, you can the actual height of photographed person is calculated, wherein, correction character image size is the 2. y in formula.
Reference picture 7, Fig. 7 are the schematic flow sheet of the second embodiment of the method for the invention taken pictures and survey height.
Based on above-mentioned embodiment illustrated in fig. 2, in the present embodiment after step S40, in addition to：
Step S50, when receiving height idsplay order, the original image is shown, and get the bid in the original image
Note the actual height of the personage.
In the present embodiment, when the actual height of photographed person is calculated, user can see the actual body in mobile phone
It is high.Specifically, mobile phone take pictures get original image when, the original image first can be shown with general mode, the common mould
Formula is checked similar with general photo, and user can carry out conventional editing and processing to original image, such as change size (cutting),
The operations such as photo rotation, the exposure parameter for adjusting photo.Meanwhile mobile phone also provides height look facility, user can look into photo
See that interface selection height shows option, to trigger height idsplay order；Mobile phone is receiving the height idsplay order, should by obtaining
The actual height information of personage in original image, and the actual height of personage therein is marked out when showing the original image, with
User is facilitated to check.
Further, mobile phone can also highly be shown to the portion size of the character image in original image.Specifically
, for mobile phone when showing original image, user can check that interface selects areal survey option in photo, be referred to triggering areal survey
Order；Mobile phone will show in original image when receiving areal survey instruction and choose cursor；User can pass through the selection light
Mark chooses some part (such as upper part of the body) of the limbs of character image；Mobile phone then chooses the groups of people according to the operation of user
Object image, then the size of the part character image is measured, the Partial Height size of fetching portion character image；Obtain
The Partial Height size of part character image, can be by the Partial Height size of part character image and the entirety of original character image
Height dimension is contrasted, and can obtain corresponding dimension scale；Calculated according to the dimension scale and the actual height of personage, you can meter
Calculate actual height corresponding to the character image of part.Calculating actual height corresponding to the character image of part, you can showing
The actual height of the part character image selected by user is marked out during the original image, to facilitate user to check.
Reference picture 8, Fig. 8 are the schematic flow sheet of the 3rd embodiment of the method for the invention taken pictures and survey height.
Based on above-mentioned embodiment illustrated in fig. 2, in the present embodiment, after step S40, in addition to：
Step S60, by the actual height information of the personage and original image associated storage.
In the present embodiment, when the actual height of personage is calculated, it is necessary to by the actual height information of the personage and original graph
As being associated storage, shown so that corresponding actual height information can be found rapidly when user checks the original image
Show.For example, it may be when creating raw image files data and the actual height information of personage, identical mark data is added,
So that will both associated storages.
And store and search for convenience, it can also be and store the actual height information of personage jointly with original image.Tool
Body, first the actual height information of personage can be pre-processed (such as coding, compression processing etc.)；Then in the original graph of acquisition
In the image file data of picture, edlin is entered to file field, adds height information character field, and pretreated personage is real
Border height information is stored in the height information character field.By with upper type, when finding original image, being somebody's turn to do by reading
Character segment data in original image, and carry out the operation such as decompression, decoding accordingly, you can get corresponding to the original image
The actual height information of personage, without being searched again from other storage locations, while facilitate the management of file storage.
In addition, the present invention also provides a kind of mobile terminal.
Reference picture 9, Fig. 9 are the construction module schematic diagram of mobile terminal of the present invention.
Mobile terminal of the present invention includes processor 10, memory 20 and is stored on the memory and can be described
Height program 21 is surveyed in taking pictures for computing device, described to take pictures when surveying height program 21 and being performed by the processor 10, realize with
Lower step：
When the mobile terminal opens camera function, upright photographed person is focused, and when focusing completion
Obtain the original image formed in the photo-sensitive cell of the mobile terminal；
The object distance and image distance of photographed person when focusing is completed are obtained, and obtains current the taking pictures of the mobile terminal and inclines
Angle information；
The magnifying power of the original image is calculated according to the object distance and image distance；
Correction character image size is obtained according to the original image and shooting obliquity information, and according to the correction personage
Size and magnifying power calculate the actual height of personage.
Further, it is described to obtain the object distance and image distance of the photographed person and camera lens when focusing is completed, and described in acquisition
Mobile terminal take pictures obliquity information the step of include：
The camera lens is obtained in displacement when completing of focusing by displacement transducer, and the displacement is designated as described
The image distance of photographed person；
The object distance of the photographed person and camera lens is obtained based on Gaussian imaging equation, the image distance and lens focus；
The obliquity information of taking pictures of the mobile terminal is obtained by gravity sensor.
Further, it is described that correction character image size, and root are obtained according to the original image and shooting obliquity information
The step of calculating personage's actual height according to correction personage's size and magnifying power includes：
Original character image size is obtained according to the original image, and based on the shooting obliquity information to described original
Character image size carries out dimension correction, obtains correction character image size；
The actual height of personage is calculated according to correction personage's size and magnifying power.
Further, described the step of obtaining original character image size according to the original image, includes：
Person detecting is carried out to the original image, identifies the character image in the original image；
The pixel count of the character image is obtained, and original character image size is obtained according to the pixel count.
Further, when the survey height program 21 of taking pictures is performed by the processor 10, following steps are also realized：
When receiving height idsplay order, the original image is shown, and the people is marked in the original image
The actual height of thing.
Further, when the survey height program 21 of taking pictures is performed by the processor 10, following steps are also realized：
When receiving areal survey instruction, the part figure map in the original image is chosen in the operation based on user
Picture；
According to the height dimension Relation acquisition dimension scale between the part character image and original character image, and root
Actual height corresponding to the part character image is calculated according to the dimension scale and the actual height of personage；
Actual height corresponding to the part character image is marked in the original image.
Further, when the survey height program 21 of taking pictures is performed by the processor 10, following steps are also realized：
By the actual height information of the personage and original image associated storage.
Further, it is described to include the step of actual height information of the personage and original image associated storage：
Increase personage's height field in the file data field of the original image, and the actual height of the personage is believed
Breath is stored in personage's height field.
Wherein, the method that the method realized when survey height program is performed of taking pictures can refer to survey height of the invention of taking pictures is each
Individual embodiment, here is omitted.
In addition, the present invention also provides a kind of computer-readable recording medium.
It is stored with to take pictures on computer-readable recording medium of the present invention and surveys height program, wherein described take pictures surveys height program
When being executed by processor, the step of taking pictures the method for surveying height as described above is realized.
Wherein, the method that the method realized when survey height program is performed of taking pictures can refer to survey height of the invention of taking pictures is each
Individual embodiment, here is omitted.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone,
Computer, server, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
- A kind of 1. method for surveying height of taking pictures, it is characterised in that the method for taking pictures survey height is applied to mobile terminal, described The method for survey height of taking pictures comprises the following steps：When the mobile terminal opens camera function, upright photographed person is focused, and obtained when focusing and completing The original image formed in the photo-sensitive cell of the mobile terminal；The object distance and image distance of photographed person when focusing is completed are obtained, and obtains the current inclination angle letter of taking pictures of the mobile terminal Breath；The magnifying power of the original image is calculated according to the object distance and image distance；Correction character image size is obtained according to the original image and shooting obliquity information, and according to correction personage's size The actual height of personage is calculated with magnifying power.
- 2. method as claimed in claim 1 that survey height of taking pictures, it is characterised in that the acquisition focusing is described shot when completing Personage and the object distance and image distance of camera lens, and obtain the mobile terminal take pictures obliquity information the step of include：The camera lens is obtained in displacement when completing of focusing by displacement transducer, and the displacement is designated as described be shot The image distance of personage；The object distance of the photographed person and camera lens is obtained based on Gaussian imaging equation, the image distance and lens focus；The obliquity information of taking pictures of the mobile terminal is obtained by gravity sensor.
- 3. method as claimed in claim 1 that survey height of taking pictures, it is characterised in that described according to the original image and shooting Obliquity information obtains correction character image size, and calculates the actual height of personage according to correction personage's size and magnifying power Step includes：Original character image size is obtained according to the original image, and based on the shooting obliquity information to the original personage Picture size carries out dimension correction, obtains correction character image size；The actual height of personage is calculated according to correction personage's size and magnifying power.
- 4. method as claimed in claim 3 that survey height of taking pictures, it is characterised in that described that original is obtained according to the original image The step of beginning character image size, includes：Person detecting is carried out to the original image, identifies the character image in the original image；The pixel count of the character image is obtained, and original character image size is obtained according to the pixel count.
- 5. method as claimed in claim 1 that survey height of taking pictures, it is characterised in that described according to the original image and shooting Obliquity information obtains correction character image size, and calculates the actual height of personage according to correction personage's size and magnifying power After step, in addition to：When receiving height idsplay order, the original image is shown, and personage's reality is marked in the original image Border height.
- 6. as claimed in claim 5 take pictures surveys height method, it is characterised in that it is described when receiving height idsplay order, After the step of showing the original image, and marking in the original image personage actual height, in addition to：When receiving areal survey instruction, the part character image in the original image is chosen in the operation based on user；According to the height dimension Relation acquisition dimension scale between the part character image and original character image, and according to institute State dimension scale and the actual height of personage calculates actual height corresponding to the part character image；Actual height corresponding to the part character image is marked in the original image.
- 7. the method for surveying height of taking pictures as any one of claim 1 to 6, it is characterised in that described according to the original Beginning image and shooting obliquity information obtain correction character image size, and calculate people according to correction personage's size and magnifying power After the step of thing actual height, in addition to：By the actual height information of the personage and original image associated storage.
- 8. method as claimed in claim 7 that survey height of taking pictures, it is characterised in that described by the actual height information of the personage Include with the step of original image associated storage：Increase personage's height field in the file data field of the original image, and the actual height information of the personage is deposited Storage is in personage's height field.
- 9. a kind of mobile terminal, it is characterised in that the mobile terminal includes processor, memory and is stored in described deposit On reservoir and height program can be surveyed by taking pictures for the computing device, described take pictures surveys height program by the computing device When, realize the step as described in claim 1-8.
- 10. a kind of computer-readable recording medium, it is characterised in that survey of taking pictures is stored with the computer-readable recording medium Height program, wherein when the survey height program of taking pictures is executed by processor, realize the step as described in claim 1-8.
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Application publication date: 20180306 |