CN106981085A - Based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system - Google Patents

Based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system Download PDF

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Publication number
CN106981085A
CN106981085A CN201610026560.3A CN201610026560A CN106981085A CN 106981085 A CN106981085 A CN 106981085A CN 201610026560 A CN201610026560 A CN 201610026560A CN 106981085 A CN106981085 A CN 106981085A
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equivalent
picture
photo
contrast
sighting distance
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张诗剑
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T13/00—Animation
    • G06T13/20—3D [Three Dimensional] animation
    • G06T5/80—

Abstract

Based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system.By way of digital photographing, use modularization multi-angle filming image and data collecting system, gather the image and photographed data of different objects multi-angle, image sequence is fabricated to according to unified standard, original equivalent sighting distance is calculated, and the data such as image sequence and original equivalent sighting distance are preserved to high in the clouds.When user files a request, server analysis and the image and relevant information for extracting single or multiple objects, with equivalent sighting distance principle, generate interactive animation, used through network transmission to user.Animation can provide the contrast directly perceived of multiple objects, and, by reading pixel point coordinates, not carry out the rough measure of object by actual survey tool, while providing Boris DVE.

Description

Based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system
Technical field
The present invention relates to photography and post-production, interactive animation makes, and cloud computing, Software for Design and electric automatization etc. are multi-field.
Background technology
Obtain the 3-dimensional image of object, it is common practice to the three-dimensional information of object is gathered with the mode of infrared, laser or visible optical oomputing, threedimensional model is rebuild in computer systems, then model is supplied to all kinds of users.So way benefit is that gathered data is comprehensive, accurate, and reduction effect is good, and threedimensional model is easy to use.Although data, which, can take multiple objects model comprehensively, contrasts displaying in Same Scene, but if wanting to obtain great amount of samples data, and made under unified standard, time and effort consuming.Moreover required mechanical discipline degree is high, the professional knowledge and skill set requirements to producer and user of service are higher, the easy distortion of misoperation.The mode for rebuilding threedimensional model is only suitable for using in particular professional field, if being used in the scene for being only limitted to show object outward appearance, cost is too high, is not suitable for masses' popularization.Using full angle image collection and the method that makes simulation three-dimensional animation, it can avoid setting up model, easy to operate, reduction degree is high.But lack unified making pattern and making standard at present, it is difficult to realize the contrast directly perceived between object and obtain object appearance data.Simultaneously there is collection information not in existing full angle image acquisition system, such as some do not support to gather full angle image；Some design structures are complicated, and cost is high, and space-consuming is big；Separate unit or many capture apparatus specified the need for also, limit the artistic creation of user.
The content of the invention
In order to reduce use cost and use difficulty, this invention does not set up threedimensional model, only the full angle image of collection object and related photographing information, and make image sequence according to unified standard, and data are preserved by network.When user is proposed using request, server extracts the image and relevant information of single or multiple objects according to demand, with particular algorithm, generates interactive animation, is used through network transmission to user.Animation can provide the contrast directly perceived of multiple objects, and, by reading pixel point coordinates, not carry out the rough measure of object by actual survey tool, while providing Boris DVE.Existing web browser can be used to watch and use interactive animation for terminal user, it is not necessary to install plug-in unit.Animation reduction degree is high.Suitable for not needing accurate measurement, but require the high civilian network field of image reduction degree, greatly reduction system use cost.
The image information and related data of object are gathered for convenience, in addition it is also necessary to a set of modularization image acquisition system.User can select proper modules according to self-demand, gather the full angle image information or Partial angle image information of object.
In order to realize above-mentioned technical assignment, the present invention, which is adopted the following technical scheme that, to be achieved：
Design is a kind of based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, including：A set of making is with calculating standard, two kinds of measuring methods of equivalent sighting distance and corresponding pattern distortion are eliminated, the method that multiple objects size is intuitively contrasted is carried out with equivalent sighting distance principle, with method of the equivalent sighting distance principle by pixel point coordinates rough measure article size, it is a set of to be contrasted and simulation 3 D stereo display systems operation workflow, a set of modularization multi-angle filming image and data collecting system based on digital photography and the object of cloud computing.
Equivalent sighting distance principle：Equivalent sighting distance is equivalent to visual field shared by human eye viewing object watches when visual field is identical as shared by of object in picture with human eye on certain distance, and human eye watches the actual range of object.If different objects equivalent sighting distance in the picture of equal resolution is identical, the magnitude relationship of their imagings is identical with actual size relation.Same the object size of imaging and equivalent sighting distance in equal resolution picture are inversely proportional.
Effectively to need unified make with calculating standard with equivalent sighting distance principle：
Regulation picture is that uniform width is w ', is highly l ', and resolution ratio is i, and pixel is square normal pictures, it is assumed that the distance of viewing normal pictures is x；W ' l ' i are fixed value, then the wide high shared pixel count of picture is also fixed value；Using width as the standard of calculating, so needing to ensure that width images information is not lost in dressing process.Equivalent sighting distance involved in the present invention is that the equivalent sighting distance as corresponding to of object in normal pictures is being watched at x unless otherwise specified.
The standard photographs that the image of one object is made into first, are the primary standard photo of this object；Equivalent sighting distance in primary standard photo corresponding to object is original equivalent sighting distance.
The two kinds of measuring methods and corresponding picture distortion null method of original equivalent sighting distance：
First method, focal length calculating method and pattern distortion null method：
The first step, shoots photo, obtains the shooting set of data and produces standard photographs：Photo just is shot to object, by measuring or calculating camera lens to the distance of object central point, i.e. object distance u, camera model and shooting focal length f are checked in photo property, the camera model according to used in photographer can obtain the width w in this camera imaging face；Standard photographs are made according to the standard of making；
Second step, original equivalent sighting distance is calculated with focal length calculating method：According to convex lens enlargement ratio calculation formula, it can be deduced that camera lens enlargement ratio M,
M (enlargement ratio)=f (focal length) ÷ (u (object distance)-f (focal length))；
Because the width of standard photographs is w ', standard photographs are drawn relative to camera imaging face enlargement ratio m ',
m′（Standard photographs are relative to camera imaging face enlargement ratio）=w ' (standard photographs width)/w (camera imaging face width)；
And then can calculate equivalent enlargement ratio m,
M (equivalent enlargement ratio)=M (enlargement ratio) × m ' (standard photographs are relative to camera imaging face enlargement ratio)；
As it is assumed that human eye viewing standard photographs distance is x, it can draw
m（Equivalent enlargement ratio）=h ' (primary standard photo image height)/H (object height)=S (original equivalent sighting distance)/x (viewing photo distance)；
Then S (original equivalent sighting distance)=x (it is assumed that viewing picture distance)/m (equivalent enlargement ratio)；
Original equivalent sighting distance S is finally drawn,
S=x ÷ (f ÷ (u- f) ×（w′÷w）)；
3rd step, eliminates pattern distortion：According to focal length when camera model used and shooting, the distorted version of picture is determined, and primary standard photo is obtained by eliminating distortion PaintShop elimination pattern distortion.
Advantage：Convenience of calculation, simple to operate, object distance can be provided with direct measurement or camera system, and the information such as focal length and camera model can be read from photo property.
Shortcoming：When being shot using zoom lens, true focal length when providing focus information with shooting by photographic intelligence has a certain error, and the combined effect that zoom lens group is produced causes the working substance of measurement away from inaccurate, and final calculation result has error：Simultaneously because error causes the final effect for eliminating pattern distortion also to have distortion to a certain degree.
Note：Error can be effectively reduced by being shot using tight shot；The photo shot using telephoto lens, pattern distortion generally can be ignored, and need to be judged whether to eliminate pattern distortion according to imaging effect.
Second method, comparing calculation method is eliminated with pattern distortion：
The first step, makes calibration chart board, and calibration contrast picture simultaneously calculates the equivalent sighting distance of calibration：Calibration chart board is made up of multiple simple graph Combination Designs, convenient to shoot and judge pattern distortion, and the height of figure is H0；Camera lens shoots calibration chart board photo, this photo is made as into standard photographs just to calibration chart board, by being contrasted with calibration chart board, determines pattern distortion form, pattern distortion is eliminated by eliminating distortion PaintShop, finally produce calibration contrast picture；As it is assumed that viewing picture distance is x, measurement draws the height h of figure picture in calibration contrast picture0, calculate the equivalent sighting distance s of calibration0, s0 (the equivalent sighting distance of calibration)/x (viewing picture distance)=h0(height of figure picture)/H0 (pattern height)；
Second step, shoots：Camera lens just shoots object picture to object；Do not change shooting to set, object is replaced with into calibration chart board, camera lens just shoots chart board photo to calibration chart board, and the standard photographs of object and the contrast photo of chart board are produced according to picture making standard；
3rd step, original equivalent sighting distance is calculated with comparing calculation method：Measure pattern height h in contrast photo；Pattern height h and pattern height h in calibration contrast picture in photo will be contrasted0Contrast, the original equivalent sighting distance S for this time shooting object is calculated according to equivalent sighting distance principle,
S (original equivalent sighting distance)/s0(the equivalent sighting distance of calibration)=h0(pattern height in calibration contrast picture)/h (pattern height in contrast picture)；
4th step, eliminates distortion：With the software that distorts is eliminated, figure and graphic correlation in calibration contrast picture in photo will be contrasted, pattern distortion form is calculated, and then elimination pattern distortion obtains primary standard photo.
Advantage：Obtained equivalent sighting distance is accurate, and it is true that image eliminates the final effect obtained after distortion.
Shortcoming：Operating procedure is more, requires high to PaintShop.
Note：The photo shot using telephoto lens, pattern distortion generally can be ignored, and need to be judged whether to eliminate pattern distortion according to imaging effect.
The contrast directly perceived of multiple objects size is carried out with equivalent sighting distance principle：
If different objects equivalent sighting distance in the picture of equal resolution is identical, the magnitude relationship of their imagings is identical with actual size relation.Because the original equivalent sighting distance of object is different, the size of contrast object directly perceived is wanted, it is only necessary to produce each contrast equivalent sighting distance identical picture of object, according to each image objects size, the intuitively size of more each object.
The method for making picture of the object in picture：It is all mutually i with normal pictures to set photo resolution, and the equivalent sighting distance that viewing equipment distance is similarly object in x, picture is s,
Then h (image objects height)/h ' (primary standard photo image height)=S (original equivalent sighting distance)/s (equivalent sighting distance)；
H (image objects height)/h ' (primary standard photo image height) be in picture image objects relative to the enlargement ratio M ' being imaged in primary standard photo,
M '=S (original equivalent sighting distance)/s (equivalent sighting distance)；
The picture for reducing object in primary standard photo is scaled up, picture of the object in picture is made.
With method of the equivalent sighting distance principle by pixel point coordinates rough measure article size：
Because the resolution ratio of normal pictures is i, pixel is square, then each pixel is the square that the length of side is l；Assuming that object is plane, any two pixel of object picture is taken, the coordinate of two pixels is read；Pixel number laterally and longitudinally shared between two pixels is calculated, horizontal and vertical length between two pixels is further calculated；According to Pythagorean theorem, the physical length D apart from d, then corresponding object point-to-point transmission between two pixels is calculated,
D (physical length)/d (distance between pixel)=s (equivalent sighting distance after generation) ÷ x (viewing picture distance).
Note：It is actual to calculate, only with normal pictures corresponding to pixel point coordinates it is relevant, it is unrelated with coordinate with the true resolution ratio for watching equipment.But it is due to that object possesses volume, the method can only be measured residing for equivalent stadia computation point in the plane of sight, the actual range of point-to-point transmission.So measurement error is depending on actual conditions, rough measure in certain viewing angles is provided only in.
Based on digital photography and the contrast of the object of cloud computing and simulation 3 D stereo display systems operation workflow：
(i) image data and photographing information are gathered：
Use camera system of the present invention, it is allowed to camera using subject as the centre of sphere, using camera to subject distance as the imaginary sphere of radius on, the shooting of arbitrary orientation, collection any longitude of object and latitudinal image are carried out to object；
If using focal length calculating method when calculating original equivalent sighting distance, focal length used and camera model is used when need to measure object distance u and records photographing：Object distance is distance of the camera lens to shooting central point, can be calculated by mounting system data, it is possible to use the actual measurement of survey tool；Shooting focal length used can read from camera lens, can also be obtained from photo property；Camera model can also be obtained from photo property；
If used when calculating original equivalent sighting distance needs to add the process for shooting calibration chart board in comparing calculation method, shooting process：Subject is replaced with into calibration chart board, in the case where ensureing that shooting setting is constant, contrast photo just is shot to calibration chart board, and individually number；This photo is only used for calculating original equivalent sighting distance, does not enter in final bandwagon effect；
(ii) primary standard photo sequence is made, original equivalent sighting distance is calculated and eliminates distortion, data are uploaded：
Make primary standard photo sequence：The photo and shooting focal length completed will be shot, the information such as object distance and camera model imports computer and photo is named according to naming rule, name need to show that this photo is to be shot to shoot central point as which of the imaginary ball of centre of sphere longitude and latitude, also distinguish contrast photo；Button is as removing the background in picture；Contrast, the color equivalent parameters of photo are adjusted as needed；It will pat and take the photograph photo scaling, be cut to the pixel that made standard is limited, because calculating standard is defined with width, so photo height can only be cut, it is impossible to cut film width；
Calculate equivalent sighting distance and eliminate distortion：Method of the computer according to corresponding to the original equivalent sighting distance S of subject calculating, calculates the original equivalent sighting distance corresponding to this IMAQ；According to the data collected, eliminate and distort with corresponding method, obtain primary standard photo sequence；
Data are uploaded：By the primary standard photo sequence after processing, the data such as original equivalent sighting distance and object names, object type, the real length, width and height data of object are submitted and are uploaded to the webserver；
(iii) verification of data and preserve：
Server system checks cross-check information, and confirmation will upload data and preserve to high in the clouds；
(iv) animation producing and passback：
When user is sent using request, server receives request and extracts corresponding data, generates corresponding interactive animation using flash technologies or similar techniques, and is transferred to user and uses；
Show generation and the animation effect of interactive animation：When user sends request, server extracts the primary standard photo sequence and original equivalent sighting distance information of respective objects, the corresponding displaying interactive animation of generation；Displaying interactive animation should provide controllable continuous broadcasting in longitudinal and latitude direction, form the three-dimensional viewing effect of simulation, and provide measurement；
Contrast generation and the animation effect of interactive animation：When user sends request, server extracts the primary standard photo sequence and original equivalent sighting distance information of corresponding several objects；The equivalent sighting distance that need to be made is analyzed and sets out, object each adjusts raw video size according to equivalent sighting distance principle, the picture of several objects is positioned in same picture, generation contrast interactive animation；Contrast animation provides the function that user arbitrarily adjusts each contrast object picture position, and user then can be overlapping by the picture of two comparisons, carries out the contrast directly perceived of size；Each comparison in contrast animation possesses the effect of displaying animation, i.e., controllable continuous broadcasting can be carried out in longitudinal and latitude direction, forms the three-dimensional viewing effect of simulation；
Note：If object is without full angle image is completely gathered, as long as possessing original equivalent sighting distance information, without prejudice to contrasts the actual effect of animation contrast effect and measurement, only influence bandwagon effect.
A set of modularization multi-angle filming image and data collecting system：
System is made up of shooting platform, capture apparatus and calculating with control system three parts：Shooting platform is the offer support of subject and camera, and controls the spatial relation between them；Capture apparatus is shot；Calculate and read the data that shooting platform and capture apparatus are provided with control system, calculate control data, control shooting platform and capture apparatus operation.
This filming image and data collecting system are based on the present invention and designed, it is therefore intended that reduce cost with modularized design, reduce equipment volume, reduce operation difficulty；The present invention can be reduced or adjusting module according to demand, with meet user to cost control, usage scenario, application target individual demand.Book described herein as will describe a kind of most complete system for using all design modules, can meet full angle, high accuracy, full-automatic shooting and data acquisition, in actual use proper modules and corresponding function can be selected to meet making needs on this basis.
Shooting platform, platform is shot the present invention relates to a set of rail mounted, by rotating disk, rotary base, and rail is visited at horizontal guide rail, vertical guide rail, top, and head, eight components of background board are constituted；Wherein：Rail, head composition camera mount are visited in rotating disk, rotary base, background board composition objective table, horizontal guide rail, vertical guide rail, top；
By turntable rotation, subject can be controlled towards the shooting face of camera；By horizontal guide rail, vertical guide rail, rail is visited at top, and the support of head composition, control position of camera and camera lens are pointed to；Rail, the position of head and luffing angle data are visited in read level guide rail, vertical guide rail, top, can calculate object distance；Background board and the turntable surface solid background replaceable to offer is shot, for detaining picture.
Each modular construction and handling characteristics：
Rotating disk can freely be rotated with 360 degree；Rotating disk correct position indicates 0 degree~360 degree of scale；Rotating disk is positioned on rotary base, possesses the bindiny mechanism with rotary base, to support rotating disk freely to rotate；Disc surfaces color is replaceable, is easy to detain picture；
Rotary base is positioned over ground or horizontal table, possesses height-adjustable support feet, to adjust level；Possess the connection control mechanism being connected with rotating disk, actuating unit and sensor, rotated to receive computer control signal control rotating disk, and pivoting angle data is supplied to computer；Control accuracy is once, built in motor；
Horizontal guide rail is connected with rotary base, is positioned over ground, possesses height-adjustable support feet, to adjust level；Horizontal guide rail is marked with length scale, is accurate to millimeter；Possess the bindiny mechanism that vertical guide rail motion is provided and sensor, to support vertical guide rail to move, and read vertical guide rail position data and be supplied to computer；
Vertical guide rail possesses connection control mechanism, actuating unit and the sensor of connection horizontal guide rail, to control slip of the vertical guide rail on horizontal guide rail；Vertical guide rail possesses height-adjustable support bar, to adjust level；Vertical guide rail is marked with length scale, is accurate to millimeter；Possess the bindiny mechanism that head motion is provided and sensor, to support head to move, and read head position data and be supplied to computer；Possess and connect connection control mechanism, actuating unit and sensor that rail is visited at top, be supplied to computer to control top to visit the luffing angle advised, and read pitching data, the dial that correct position there are 0 degree~360 degree shows luffing angle；
Top is visited rail and is connected by bindiny mechanism with vertical guide rail top, can be using tie point as the free pitching of fixing point；Top visits rail and is marked with length scale, is accurate to millimeter；Top visits rail and possesses the bindiny mechanism for providing head motion and sensor, to support head to move, and reads head position data and is supplied to computer；
Head possesses the bindiny mechanism with camera, actuating unit and sensor, to fixed camera, and adjusts the dial display camera luffing angle for having 0 degree~360 degree at camera level and pitching, bindiny mechanism；Possess connection vertical guide rail and connection control mechanism, actuating unit and the sensor of rail are visited in top, slided to control head to be visited in vertical guide rail and top on rail；
Background board is positioned over rotating disk behind, and surface color is replaceable and consistent with rotating disk color keep, is easy to detain picture.
For ease of operational control, control preferably with wireless signal, each bindiny mechanism is proposed with gear train；Automation correlation module can be configured selectively according to demand, manually operated using the artificial related data for reading input rotating disk, horizontal guide rail, vertical guide rail, head rail and head；According to spy rail at the top of use demand also changeable, the component such as rotating disk.
Capture apparatus, including camera and light and corresponding lamp bracket etc.；These equipment can be provided for oneself by photographer, convenient to save cost, while the use habit of photographer can be looked after；Can also designated equipment；
Equipment requirement：Camera is needed to choose the model that can support that wireless remote control is shot, and camera lens is voluntarily selected as needed by photographer；Light can choose normal bright light source, if selection flash lamp need to support wireless remote control；Light species, light quantity, light decorating position and light are set to be determined by photographer according to the demand of shooting.Professional camera and light units in the market supports infrared signal remote control.
Calculating control system, including a set of signal transceiver and calculating control software：Signal transceiver, the hardware module of built-in each sensor gathered data of reception shooting platform, the hardware module of each part motion data of emission control platform, and can synchronized transmissions shutter control infrared signal and signal light control infrared signal hardware module；Control software, the data that signal receiving/transmission device is received are read, according to vertical track position, head rail luffing angle, head present position information calculates head to the distance for shooting central point according to Pythagorean theorem, according to camera model and the camera lens model used and then calculates object distance；Software calculates guarantee camera gun and is in shoot central point as the center of circle, object distance is radius according to setting is shot, in the circle of the plane where shooting axle, the running orbit moved in a circle, and ensures that camera lens points to shooting central point all the time；And then calculate each shooting point vertical guide rail and head position, and head rail and camera luffing angle；The corresponding data calculated is sent by signal receiving/transmission device, camera motion is automatically controlled to camera site, adjusts luffing angle；Turntable rotation proper angle is controlled, and launches shooting signal to camera and flash lamp, is continuously automatically snapped；
Such as without automation related needs, signal receiving/transmission device can delete corresponding module, and control software can delete associated control procedures, and artificial collection related data input calculation procedure is calculated.
The beneficial effects of the invention are as follows：User terminal can be without using special-purpose software, and uneasiness plugs part progress multiple objects, and intuitively size compares, it is only necessary to which limited 3-D effect can be experienced with rough measure by reading pixel point coordinates, and effect easy to use is good, and popularization cost is low.End and user terminal are shot using cloud computing technology connection, capacity is big, efficiency high, applied widely, highly versatile.Shoot end shooting hardware and use modularized design, meet the different demands of different user, selectance is high, simple to operate, cost-effective；Threedimensional model need not be set up, it is possible to provide a simulation three-dimensional stereo effect, reduction degree is high.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is present system operation workflow general introduction figure.
Fig. 2 is equivalent sighting distance schematic diagram.
Fig. 3 is full angle filming image and data collecting system structural representation（Side）.
Fig. 4 is full angle filming image and data collecting system structural representation（Top）.
Fig. 5 is full angle filming image process schematic（Side）.
Fig. 6 is calibration chart board schematic diagram.
Fig. 7 is calibration picture shooting schematic diagram（Side）.
Fig. 8 is indivedual angle filming image process schematics（Side）.
Fig. 9 is that pixel carries out rough measure schematic diagram according to shared by object.
Figure 10 is the magnitude relationship figure that two different subjects are imaged in equal resolution and same equivalent sighting distance picture.
A. objects A, a. object A picture, B. objects B in figure group, b. object B picture, x. people's viewing picture distance, the equivalent sighting distances of S., E. human eye viewing location, P-0, P-1, P-2 and P-3. guide rails present position and state, 1. rotating disks, 2. rotary bases, 3. horizontal guide rail, 4. rail, 6. heads are visited in vertical guide rail, 5. tops, 7. background board, 8. signal transceiver, 9. calculate control computer, 10. cameras, 11. flash lamp, 12. calibrating chart board, dotted line cameras and head running orbit, arrow camera guns are pointed to.
Figure group turntable（1）, rotary base（2）, background board（7）Constitute objective table；Horizontal guide rail（3）, vertical guide rail（4）, rail is visited at top（5）, head（6）Constitute camera mount.
Rail is visited at top in Fig. 4（5）Due to viewing angle problem, omission is not drawn into.
Embodiment
With embodiment and coordinate accompanying drawing describe in detail it is as follows.It should be understood that the present embodiment is merely to illustrate most full implementation of the invention, rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, those skilled in the art can make various refinements or modification to the present invention, these equivalent form of values equally fall within the application appended claims limited range.
The present invention provides a kind of based on digital photography and the contrast of the object of cloud computing and simulation 3 D stereo display systems, including a set made from calculating standard, two kinds of measuring methods of equivalent sighting distance and corresponding pattern distortion are eliminated, the method that multiple objects size is intuitively contrasted is carried out with equivalent sighting distance principle, with method of the equivalent sighting distance principle by pixel point coordinates rough measure article size, it is a set of to be contrasted and simulation 3 D stereo display systems operation workflow, a set of modularization multi-angle filming image and data collecting system based on digital photography and the object of cloud computing.
The present embodiment is by using the modularization filming image and data collecting system in the present invention, and with reference to equivalent sighting distance principle, final using effect is briefly described based on digital photography and the contrast of the object of cloud computing and simulation 3 D stereo display systems operation workflow in displaying.
Embodiment
One, unifies making standard.It is w ' to provide picture uniform width, is highly l ', and resolution ratio is i, and pixel is square normal pictures, it is assumed that the distance of viewing normal pictures is x；It is unified that the standard of calculating is used as using width；Chart board is calibrated in pre-production（12）Calibration with known equivalents sighting distance contrasts picture, and it is s to calibrate equivalent sighting distance0。
The making of calibration contrast picture and the equivalent stadia computation of calibration：Camera lens is just to calibration chart board（12）, shoot calibration chart board（12）Photo, standard photographs are made as by this photo, by with calibration chart board（12）Contrast, determines pattern distortion form, and pattern distortion is eliminated by eliminating distortion PaintShop, produces calibration contrast picture；Assuming that viewing picture distance is x, measurement draws the height h of figure picture in calibration contrast picture0, calculate the equivalent sighting distance s of calibration0, s0 (the equivalent sighting distance of calibration)/x (viewing picture distance)=h0(height of figure picture)/H0 (pattern height).
Two, IMAQs and primary standard photo make to be preserved with data.
Object A（A）Full angle image and photographed data collection, and primary standard photo sequence make with data preserve.With reference to Fig. 3, Fig. 4, Fig. 5, Fig. 7.Object A（A）The equivalent sighting distance of primary standard photo will be calculated using comparing calculation method.
Operating procedure.
Step 1, equipment is installed：With reference to Fig. 3, Fig. 4, by object A（A）It is placed on rotating disk（1）On central point, by camera（10）, it is fixed on head（6）On, arrange light（11）, and by background board（7）And rotating disk（1）The color replacement on surface is to be easy to object A（A）Detain the color of picture.
Step 2, acquisition parameters are set and adjustment：With reference to Fig. 3, Fig. 4, vertical guide rail is controlled manually（4）In horizontal guide rail（3）On slide into correct position；Head is controlled manually（6）And camera（10）Combination in vertical guide rail（4）On slide into correct position P-0；Adjust camera（10）Pitching make alignment lenses object A（A）, shoot print and adjust camera（10）Acquisition parameters and light（11）Parameter, until meeting photography demand.
Step 3, calculate：Shoot after each parameter determination, photographer will shoot central point relative to rotating disk（1）Height, camera（10）The input such as model, camera lens model calculates control computer（9）Calculation procedure in；Horizontal guide rail（3）Vertical guide rail is read by sensor（4）Position data and send data to signal transceiver（8）, vertical guide rail（4）Head is read by sensor（6）Position data and send data to signal transceiver（8）；Signal transceiver（8）Data are received, and by vertical guide rail（4）Position data and head（6）Position data is input to calculating control computer（9）Calculation procedure in；Calculation procedure is according to camera（10）Related data, calculate camera in model and camera lens model, reading database（10）In head（6）On relative position；According to camera（10）In head（5）On station-keeping data, shoot central point with respect to rotating disk（1）Highly, vertical guide rail（4）Position data, head（6）Position data calculates camera according to Pythagorean theorem（10）To the distance for shooting central point, further calculation procedure calculates control data according to right angled triangle Computing Principle, with controlled level guide rail（3）, vertical guide rail（4）, top visit rail（5）, head（6）The camera mount of composition is slided and pitching, it is ensured that in shooting process, camera（10）According to represented by dotted line in Fig. 2 to shoot central point as motion on the arching trajectory of the quadrant in the center of circle, and camera can be controlled during exercise（10）Camera lens points to shooting central point all the time.
Step 4, top visual angle photo is automatically snapped：With reference to Fig. 5, after checking that running orbit is errorless, control software passes through signal transceiver（8）Emissioning controling signal, is automatically snapped.
Action 1, control mounting system runs to P-1 location status, camera（10）In horizontal attitude just to object A（A）；Transmitting shoots signal, camera（10）And light（11）Work shoots a photo；Control rotating disk（1）Band animal body A（A）Rotate and stop after 3 °, then shoot a photo；3 ° of repeated rotation and the action for shooting a photo, until rotating disk（1）Rotate one week.
Action 2, control mounting system drives camera（10）Move to move upwards along the arching trajectory in Fig. 3 and stop after 3 °；Transmitting shoots signal, camera（10）And light（11）Work shoots a photo；Control rotating disk（1）Band animal body A（A）Rotate and stop after 3 °, then shoot a photo；3 ° of repeated rotation and the action for shooting a photo, until rotating disk（1）Rotate one week.
Action 3, repetitive operation 2, until 90 ° of top viewing angles are completed.
Note：In Fig. 5, P-1, P-2 and P-3 are the position view in shooting process.The shooting for 0 ° of angle of wherein P-1 demonstrations, the shooting for 45° angle of P-2 demonstrations, what P-3 was demonstrated is the shooting close to top view angle.Due to DeGrain, except special circumstances, 90 ° of angles can not be shot in general shooting, the quantity of photo is shot to reduce, it is final to save cost and Internet resources.
Step 5, bottom visual angle photo is automatically snapped：By object A（A）It is inverted；Repeat step 4.
Step 6, contrast photo is shot：With reference to Fig. 7, by object A（A）, replace with calibration chart board（12）；Control software passes through signal transceiver（8）Emissioning controling signal, control mounting system returns to P-1 location status, camera（10）In horizontal attitude；Control head（6）Slide up and down, it is ensured that alignment lenses calibrate chart board（12）Shooting central point；Just to calibration chart board（12）Shoot a photo.
Step 7, standard photographs are made：The photo sequence of shooting is poured into computer（9）, and according to rule name, name need to show that this photo is to be shot to shoot central point as which of the imaginary ball of centre of sphere longitude and latitude, also distinguish calibration contrast photo.Picture will be buckled except all photos for contrasting photo, to remove background；Color correction；All photo equal proportions scaling is cut to normal pictures size, wherein：Shoot artwork ratio and do not meet the photo of normal pictures ratio, during cutting, can only cut above and below image information, the image information of left and right can not be cut；Optical center is irremovable during scaling.
Step 8, distortion is eliminated：Using graphics software contrast parsing calibration contrast picture and contrast photo, distorted version is calculated, the distortion of all photos is eliminated, obtains primary standard photo sequence.Such as amount of distortion is very small, can ignore this step.
Step 9, original equivalent sighting distance is calculated：Contrast photo is recalled, and the calibration contrast picture of known equivalents sighting distance carries out measurement of comparison, calculates shooting object A（A）The equivalent sighting distance S of primary standard photoA ,
SA(the equivalent sighting distance of object A primary standard photos)/s0(the equivalent sighting distance of calibration)=
h0(pattern height in calibration contrast picture)/h（Contrast pattern height in photo）=
n0(the high shared pixel count of figure in calibration contrast picture)/n（Contrast the high shared pixel count of figure in photo）
Step 10, data, which are uploaded, preserves：The primary standard photo sequence completed, corresponding original equivalent sighting distance information and object A will be repaired（A）Object names, object type, the object information such as real length, width and height data of object uploads onto the server；After server system is errorless to upload data progress verification, preserve to high in the clouds.
Object B（B）Multi-angle image and photographed data collection, and primary standard photo sequence make with data preserve.Object B（B）Be shot for save cost or because of object properties, full angle image information is not shot, 45 ° and 0 ° of visual angle is only shot.With reference to Fig. 8, the shooting object B of the present embodiment displaying（B）Capture apparatus, eliminates top and visits rail（5）Module.Horizontal guide rail（3）, vertical guide rail（4）, head（6）The mounting system of composition, eliminates the module related to automation such as dynamic Control component and sensor.Signal transceiver（8）, remove the signal that corresponding module does not receive the data that mounting system is passed back, not emission control mounting system yet.Computer（9）, without the calculating of running track.Other modules and part retain.
Operating procedure.
Step 1, equipment is installed：With reference to Fig. 8, by object B（B）It is placed on rotating disk（1）On central point, by camera（10）It is fixed on head（6）On, arrange light（11）, and by background board（7）And rotating disk（1）The color replacement on surface is to be easy to object B（B）Detain the color of picture.
Step 2, calculate：With reference to Fig. 8, the shooting for carrying out 45 ° of visual angles angle is calculated.According to needs are shot, by vertical guide rail（4）Slide onto Q-0 positions manually；Read level guide rail（3）The vertical guide rail of display（4）Position data, this position data show vertical guide rail（4）With shooting central point（That is rotating disk（1）Central point）The distance between；Photographer is by this position data, shooting central point relative to rotating disk（1）Height input calculate control computer（9）Calculation procedure in；Calculation procedure calculates head（6）And vertical track（4）45° angle shooting and 0 ° of angle shooting when the location of, represented respectively with Q-0 and Q-1 in Fig. 8.
Step 3, acquisition parameters are set and adjustment：With reference to Fig. 8, manually by head（6）And vertical track（4）Slide onto position and locking that Q-0 in Fig. 8 is represented；Manually adjust camera（10）Shooting state in the 45° angle that takes a crane shot, and determine camera lens whether directed towards object B（B）Shooting central point；Confirm errorless, adjustment camera（10）The parameters such as focal length, aperture, shutter, arrange light（11）Setup parameter, to reach photographing request that photographer is predetermined.
Step 4,45° angle is automatically snapped：With reference to Fig. 8, computer passes through signal transceiver（8）Transmitting shoots signal, camera（10）And light（11）Work shoots a photo；Control rotating disk（1）Band animal body B（B）Rotate and stop after 6 °, then shoot a photo；6 ° of repeated rotation and the action for shooting a photo, until rotating disk（1）Rotate one week.
Step 5,0 ° of angle shoots adjustment：With reference to Fig. 8, manually by head（6）And vertical track（4）Slide onto position and locking that Q-1 in Fig. 8 is represented；Manually adjust camera（10）Shooting state in 0 ° of angle, and determine camera lens whether directed towards object B（B）Shooting central point.
Step 6,0 ° of angle automatic shooting：Repeat step 4.
Step 7, original photo is made：The photo sequence of shooting is poured into computer（9）, and according to rule name, name need to show that this photo is to be shot to shoot central point as which of the imaginary ball of centre of sphere longitude and latitude.All photos are buckled into picture, to remove background.Color correction.Then all image equal proportions scaling is cut to normal pictures size.Shoot artwork ratio and do not meet the photo of normal pictures ratio, during cutting, can only cut above and below image information, the image information of left and right can not be cut.Optical center is irremovable during scaling.
Step 8, original equivalent sighting distance is calculated：The pictorial information in the photo of any shooting is read, camera is obtained（10）Model, shoot used in focal length f.According to camera（10）Model, can check in camera from database（10）Imaging surface width w and fuselage thickness t.Object distance u is calculated, according to original equivalent stadia computation formula
S=x ÷ (f ÷ (u- f) ×（w′÷w）)
Calculate object B（B）Original equivalent sighting distance S.
Step 9, distortion is eliminated：Using graphics software according to information such as imaging surface size, shooting focal length and object distances, frame out distorted version is calculated.The distortion of all photos is eliminated, primary standard photo sequence is obtained.Such as amount of distortion is very small, can ignore this step.
Step 10, data, which are uploaded, preserves：The primary standard photo sequence completed, corresponding original equivalent sighting distance information and object B will be repaired（B）Object names, object type, the object information such as real length, width and height data of object uploads onto the server；After server system is errorless to upload data progress verification, preserve to high in the clouds.
Three, interactive animations are generated and animation effect.
Show interactive animation generation and animation effect.
By taking object A as an example.
Object A displaying interactive animation generations.User sends request, it is desirable to show object A three-dimensional stereo effect.Server receives request, and extracts from high in the clouds object A all data.Object A primary standard photo sizes, generation pixel and normal pictures identical interactive animation need not be changed.Displaying interactive animation provides controllable continuous broadcasting in longitudinal and latitude direction, forms limited 3-D effect, and displaying interactive animation is embedded in measurement script.
The calculation of script is measured, with reference to Fig. 9, when specified object A picture（a）Two point D1（D1）, D2（D2）When, read point D1（D1）With point D2（D2）Corresponding pixel point coordinates, then can calculate point D1（D1）To point D2（D2）Between the number of horizontal and vertical shared pixel be respectively n1, n2.Because the resolution ratio of normal pictures is defined as i and pixel to be square, then the length of side of each pixel of normal pictures is defined as l.The horizontal and vertical length relative in normal pictures can be calculated and be multiplied by l for pixel number.D1 is calculated according to Pythagorean theorem（D1）, D2（D2）Between distance in the corresponding normal pictures of distance be d,
d2=(n1 × l) 2+(n2×l)2
The corresponding physical length D of d are calculated according to equivalent sighting distance principle,
D=d × (SA÷x)。
Object A shows the animation effect of interactive animation.When user wishes the picture of the object A in left rotation and right rotation picture（a）When, animation provides Same Latitude picture controllable continuous broadcasting；When the picture of the object A in rotation picture above and below user wishes（a）When, the controllable continuous that animation provides same longitude picture is played；Form three-dimensional bandwagon effect.With reference to Fig. 9, when on user's specified measurement object A, D1（D1）With D2（D2）During length between two positions, calculate script and calculate corresponding physical length, result of calculation is included on screen.
Contrast displaying interactive animation generation.
By taking object A and object B contrast as an example.
Object A and object B contrast interactive animation is generated.When user sends request, it is desirable to which object A is contrasted with object B.Server receives request, and extracts from high in the clouds object A and object B all data.The analysis found that, object B does not have a complete full angle image data, and object B actual size than larger.Cartoon generation system makes interactive animation with the object B data messages possessed, the equivalent sighting distance of this cartoon scene will be set with the original equivalent sighting distances of object B, therefore animation only shows that latitude is 0 ° of angle and the picture of 45° angle, and longitude only shows the picture on 6 ° of integral multiple longitude.The corresponding primary standard photos of object A and object B all primary standard photos are extracted, respectively generation displaying interactive animation.With equivalent sighting distance principle, object A picture is calculated（a）Relative to the multiplication factor M ' of object A primary standard photos,
M '=SA/ SB
According to M ' equal proportion zooming objects A displaying animation, and by the displaying animation and object B displaying animation compound of object A after adjustment, generation pixel contrasts interactive animation with normal pictures identical, and animation is embedded in measurement script.Script is measured with object B original equivalent sighting distance SBFor constant calculations, i.e.,
D=d × (SB÷x)。
The animation effect of object A and object B contrast interactive animation.With reference to Figure 10, object A picture（a）With object B picture（b）Allow user arbitrarily to drag, change object A picture（a）With object B picture（b）Position in picture, is easy to the contrast directly perceived between two articles.When user wishes the picture of the object A in left rotation and right rotation picture（a）Or B picture（b）When, animation provides longitude picture on object A and object B Same Latitudes and carries out controllable continuous broadcasting simultaneously；When the picture of the object A in rotation picture above and below user wishes（a）Or B picture（b）When, animation only provides the picture of object A and object B in 45 ° and 0 ° of latitude；Form three-dimensional displaying contrast effect.With reference to Fig. 9, when on user specified measurement object A or object B, D1（D1）With D2（D2）During length between two positions, calculate script and calculate corresponding physical length, result of calculation is included on screen.
The animation of generation is transmitted to user by networking and used by four,.

Claims (10)

1. design is a kind of based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, including：A set of making is with calculating standard, two kinds of measuring methods of equivalent sighting distance and corresponding pattern distortion are eliminated, the method that multiple objects size is intuitively contrasted is carried out with equivalent sighting distance principle, with method of the equivalent sighting distance principle by pixel point coordinates rough measure article size, it is a set of to be contrasted and simulation 3 D stereo display systems operation workflow, a set of modularization multi-angle filming image and data collecting system based on digital photography and the object of cloud computing.
2. it is according to claim 1 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：Effectively to need unified make with calculating standard with equivalent sighting distance principle：
Regulation picture is that uniform width is w ', is highly l ', and resolution ratio is i, and pixel is square normal pictures, it is assumed that the distance of viewing normal pictures is x；W ' l ' i are fixed value, then the wide high shared pixel count of picture is also fixed value；Using width as the standard of calculating, so needing to ensure that width images information is not lost in dressing process；
The standard photographs that the image of one object is made into first, are the primary standard photo of this object；Equivalent sighting distance in primary standard photo corresponding to object is original equivalent sighting distance.
3. it is according to claim 1 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：The two kinds of measuring methods and corresponding picture distortion null method of original equivalent sighting distance.
4. it is according to claim 3 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：First method, focal length calculating method and pattern distortion null method：
The first step, shoots photo, obtains the shooting set of data and produces standard photographs：Photo just is shot to object, by measuring or calculating camera lens to the distance of object central point, i.e. object distance u, camera model and shooting focal length f are checked in photo property, the camera model according to used in photographer can obtain the width w in this camera imaging face；Standard photographs are made according to the standard of making；
Second step, original equivalent sighting distance is calculated with focal length calculating method：According to convex lens enlargement ratio calculation formula, it can be deduced that camera lens enlargement ratio M,
M (enlargement ratio)=f (focal length) ÷ (u (object distance)-f (focal length))；
Because the width of standard photographs is w ', standard photographs are drawn relative to camera imaging face enlargement ratio m ',
m′（Standard photographs are relative to camera imaging face enlargement ratio）=w ' (standard photographs width)/w (camera imaging face width)；
And then can calculate equivalent enlargement ratio m,
M (equivalent enlargement ratio)=M (enlargement ratio) × m ' (standard photographs are relative to camera imaging face enlargement ratio)；
As it is assumed that human eye viewing standard photographs distance is x, it can draw
m（Equivalent enlargement ratio）=h ' (primary standard photo image height)/H (object height)=S (original equivalent sighting distance)/x (viewing photo distance)；
Then S (original equivalent sighting distance)=x (it is assumed that viewing picture distance)/m (equivalent enlargement ratio)；
Original equivalent sighting distance S is finally drawn,
S=x ÷ (f ÷ (u- f) ×（w′÷w）)；
3rd step, eliminates pattern distortion：According to focal length when camera model used and shooting, the distorted version of picture is determined, and primary standard photo is obtained by eliminating distortion PaintShop elimination pattern distortion；
Second method, comparing calculation method is eliminated with pattern distortion：
The first step, makes calibration chart board, and calibration contrast picture simultaneously calculates the equivalent sighting distance of calibration：Calibration chart board is made up of multiple simple graph Combination Designs, convenient to shoot and judge pattern distortion, and the height of figure is H0；Camera lens shoots calibration chart board photo, this photo is made as into standard photographs just to calibration chart board, by being contrasted with calibration chart board, determines pattern distortion form, pattern distortion is eliminated by eliminating distortion PaintShop, finally produce calibration contrast picture；As it is assumed that viewing picture distance is x, measurement draws the height h of figure picture in calibration contrast picture0, calculate the equivalent sighting distance s of calibration0, s0(the equivalent sighting distance of calibration)/x (viewing picture distance)=h0(height of figure picture)/H0(pattern height)；
Second step, shoots：Camera lens just shoots object picture to object；Do not change shooting to set, object is replaced with into calibration chart board, camera lens just shoots chart board photo to calibration chart board, and the standard photographs of object and the contrast photo of chart board are produced according to picture making standard；
3rd step, original equivalent sighting distance is calculated with comparing calculation method：Measure pattern height h in contrast photo；Pattern height h and pattern height h in calibration contrast picture in photo will be contrasted0Contrast, the original equivalent sighting distance S for this time shooting object is calculated according to equivalent sighting distance principle,
S (original equivalent sighting distance)/s0(the equivalent sighting distance of calibration)=h0(pattern height in calibration contrast picture)/h (pattern height in contrast picture)；
4th step, eliminates distortion：With the software that distorts is eliminated, figure and graphic correlation in calibration contrast picture in photo will be contrasted, pattern distortion form is calculated, and then elimination pattern distortion obtains primary standard photo.
5. it is according to claim 1 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：The contrast directly perceived of multiple objects size is carried out with equivalent sighting distance principle：
Because the original equivalent sighting distance of object is different, the size of contrast object directly perceived is wanted, it is only necessary to produce each contrast equivalent sighting distance identical picture of object, according to each image objects size, the intuitively size of more each object.
6. it is according to claim 5 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：The method for making picture of the object in picture：It is all mutually i with normal pictures to set photo resolution, and the equivalent sighting distance that viewing equipment distance is similarly object in x, picture is s,
Then h (image objects height)/h ' (primary standard photo image height)=S (original equivalent sighting distance)/s (equivalent sighting distance)；
H (image objects height)/h ' (primary standard photo image height) be in picture image objects relative to the enlargement ratio M ' being imaged in primary standard photo,
M '=S (original equivalent sighting distance)/s (equivalent sighting distance)；
The picture for reducing object in primary standard photo is scaled up, picture of the object in picture is made.
7. use method of the equivalent sighting distance principle by pixel point coordinates rough measure article size：
Because the resolution ratio of normal pictures is i, pixel is square, then each pixel is the square that the length of side is l；Assuming that object is plane, any two pixel of object picture is taken, the coordinate of two pixels is read；Pixel number laterally and longitudinally shared between two pixels is calculated, horizontal and vertical length between two pixels is further calculated；According to Pythagorean theorem, the physical length D apart from d, then corresponding object point-to-point transmission between two pixels is calculated,
D (physical length)/d (distance between pixel)=s (equivalent sighting distance after generation) ÷ x (viewing picture distance).
8. it is according to claim 1 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：Based on digital photography and the contrast of the object of cloud computing and simulation 3 D stereo display systems operation workflow：
(i) image data and photographing information are gathered：
Use camera system of the present invention, it is allowed to camera using subject as the centre of sphere, using camera to subject distance as the imaginary sphere of radius on, the shooting of arbitrary orientation, collection any longitude of object and latitudinal image are carried out to object；
If using focal length calculating method when calculating original equivalent sighting distance, focal length used and camera model is used when need to measure object distance u and records photographing：Object distance is distance of the camera lens to shooting central point, can be calculated by mounting system data, it is possible to use the actual measurement of survey tool；Shooting focal length used can read from camera lens, can also be obtained from photo property；Camera model can also be obtained from photo property；
If used when calculating original equivalent sighting distance needs to add the process for shooting calibration chart board in comparing calculation method, shooting process：Subject is replaced with into calibration chart board, in the case where ensureing that shooting setting is constant, contrast photo just is shot to calibration chart board, and individually number；This photo is only used for calculating original equivalent sighting distance, does not enter in final bandwagon effect；
(ii) primary standard photo sequence is made, original equivalent sighting distance is calculated and eliminates distortion, data are uploaded：
Make primary standard photo sequence：The photo and shooting focal length completed will be shot, the information such as object distance and camera model imports computer and photo is named according to naming rule, name need to show that this photo is to be shot to shoot central point as which of the imaginary ball of centre of sphere longitude and latitude, also distinguish contrast photo；Button is as removing the background in picture；Contrast, the color equivalent parameters of photo are adjusted as needed；It will pat and take the photograph photo scaling, be cut to the pixel that made standard is limited, because calculating standard is defined with width, so photo height can only be cut, it is impossible to cut film width；
Calculate equivalent sighting distance and eliminate distortion：Method of the computer according to corresponding to the original equivalent sighting distance S of subject calculating, calculates the original equivalent sighting distance corresponding to this IMAQ；According to the data collected, eliminate and distort with corresponding method, obtain primary standard photo sequence；
Data are uploaded：By the primary standard photo sequence after processing, the data such as original equivalent sighting distance and object names, object type, the real length, width and height data of object are submitted and are uploaded to the webserver；
(iii) verification of data and preserve：
Server system checks cross-check information, and confirmation will upload data and preserve to high in the clouds；
(iv) animation producing and passback：
When user is sent using request, server receives request and extracts corresponding data, generates corresponding interactive animation using flash technologies or similar techniques, and is transferred to user and uses；
Show generation and the animation effect of interactive animation：When user sends request, server extracts the primary standard photo sequence and original equivalent sighting distance information of respective objects, the corresponding displaying interactive animation of generation；Displaying interactive animation should provide controllable continuous broadcasting in longitudinal and latitude direction, form false three-dimensional viewing effect, and provide measurement；
Contrast generation and the animation effect of interactive animation：When user sends request, server extracts the primary standard photo sequence and original equivalent sighting distance information of corresponding several objects；The equivalent sighting distance that need to be made is analyzed and sets out, object each adjusts raw video size according to equivalent sighting distance principle, the picture of several objects is positioned in same picture, generation contrast interactive animation；Contrast animation provides the function that user arbitrarily adjusts each contrast object picture position, and user then can be overlapping by the picture of two comparisons, carries out the contrast directly perceived of size；Each comparison in contrast animation possesses the effect of displaying animation, i.e., controllable continuous broadcasting can be carried out in longitudinal and latitude direction, forms false three-dimensional viewing effect；
Note：If object is without full angle image is completely gathered, as long as possessing original equivalent sighting distance information, without prejudice to contrasts the actual effect of animation contrast effect and measurement, only influence bandwagon effect.
9. it is according to claim 1 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：A set of modularization multi-angle filming image and data collecting system：
System is made up of shooting platform, capture apparatus and calculating with control system three parts：Shooting platform is the offer support of subject and camera, and controls the spatial relation between them；Capture apparatus is shot；Calculate and read the data that shooting platform and capture apparatus are provided with control system, calculate control data, control shooting platform and capture apparatus operation.
10. it is according to claim 9 based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system, it is characterized in that：Shooting platform, platform is shot the present invention relates to a set of rail mounted, by rotating disk, rotary base, and rail is visited at horizontal guide rail, vertical guide rail, top, and head, eight components of background board are constituted；Wherein：Rail, head composition camera mount are visited in rotating disk, rotary base, background board composition objective table, horizontal guide rail, vertical guide rail, top；
By turntable rotation, subject can be controlled towards the shooting face of camera；By horizontal guide rail, vertical guide rail, rail is visited at top, and the support of head composition, control position of camera and camera lens are pointed to；Rail, the position of head and luffing angle data are visited in read level guide rail, vertical guide rail, top, can calculate object distance；Background board and the turntable surface solid background replaceable to offer is shot, for detaining picture；
Each modular construction and handling characteristics：
Rotating disk can freely be rotated with 360 degree；Rotating disk correct position indicates 0 degree~360 degree of scale；Rotating disk is positioned on rotary base, possesses the bindiny mechanism with rotary base, to support rotating disk freely to rotate；Disc surfaces color is replaceable, is easy to detain picture；
Rotary base is positioned over ground or horizontal table, possesses height-adjustable support feet, to adjust level；Possess the connection control mechanism being connected with rotating disk, actuating unit and sensor, rotated to receive computer control signal control rotating disk, and pivoting angle data is supplied to computer；Control accuracy is once, built in motor；
Horizontal guide rail is connected with rotary base, is positioned over ground, possesses height-adjustable support feet, to adjust level；Horizontal guide rail is marked with length scale, is accurate to millimeter；Possess the bindiny mechanism that vertical guide rail motion is provided and sensor, to support vertical guide rail to move, and read vertical guide rail position data and be supplied to computer；
Vertical guide rail possesses connection control mechanism, actuating unit and the sensor of connection horizontal guide rail, to control slip of the vertical guide rail on horizontal guide rail；Vertical guide rail possesses height-adjustable support bar, to adjust level；Vertical guide rail is marked with length scale, is accurate to millimeter；Possess the bindiny mechanism that head motion is provided and sensor, to support head to move, and read head position data and be supplied to computer；Possess and connect connection control mechanism, actuating unit and sensor that rail is visited at top, be supplied to computer to control top to visit the luffing angle advised, and read pitching data, the dial that correct position there are 0 degree~360 degree shows luffing angle；
Top is visited rail and is connected by bindiny mechanism with vertical guide rail top, can be using tie point as the free pitching of fixing point；Top visits rail and is marked with length scale, is accurate to millimeter；Top visits rail and possesses the bindiny mechanism for providing head motion and sensor, to support head to move, and reads head position data and is supplied to computer；
Head possesses the bindiny mechanism with camera, actuating unit and sensor, to fixed camera, and adjusts the dial display camera luffing angle for having 0 degree~360 degree at camera level and pitching, bindiny mechanism；Possess connection vertical guide rail and connection control mechanism, actuating unit and the sensor of rail are visited in top, slided to control head to be visited in vertical guide rail and top on rail；
Background board is positioned over rotating disk behind, and surface color is replaceable and consistent with rotating disk color keep, is easy to detain picture；
For ease of operational control, control preferably with wireless signal, each bindiny mechanism is proposed with gear train；Automation correlation module can be configured selectively according to demand, manually operated using the artificial related data for reading input rotating disk, horizontal guide rail, vertical guide rail, head rail and head；According to spy rail at the top of use demand also changeable, the component such as rotating disk；
Capture apparatus, including camera and light and corresponding lamp bracket etc.；These equipment can be provided for oneself by photographer, convenient to save cost, while the use habit of photographer can be looked after；Can also designated equipment；
Equipment requirement：Camera is needed to choose the model that can support that wireless remote control is shot, and camera lens is voluntarily selected as needed by photographer；Light can choose normal bright light source, if selection flash lamp need to support wireless remote control；Light species, light quantity, light decorating position and light are set to be determined by photographer according to the demand of shooting；
Calculating control system, including a set of signal transceiver and calculating control software：Signal transceiver, the hardware module of built-in each sensor gathered data of reception shooting platform, the hardware module of each part motion data of emission control platform, and can synchronized transmissions shutter control infrared signal and signal light control infrared signal hardware module；Control software, the data that signal receiving/transmission device is received are read, according to vertical track position, head rail luffing angle, head present position information calculates head to the distance for shooting central point according to Pythagorean theorem, according to camera model and the camera lens model used and then calculates object distance；Software calculates guarantee camera gun and is in shoot central point as the center of circle, object distance is radius according to setting is shot, in the circle of the plane where shooting axle, the running orbit moved in a circle, and ensures that camera lens points to shooting central point all the time；And then calculate each shooting point vertical guide rail and head position, and head rail and camera luffing angle；The corresponding data calculated is sent by signal receiving/transmission device, camera motion is automatically controlled to camera site, adjusts luffing angle；Turntable rotation proper angle is controlled, and launches shooting signal to camera and flash lamp, is continuously automatically snapped；
Such as without automation related needs, signal receiving/transmission device can delete corresponding module, and control software can delete associated control procedures, and artificial collection related data input calculation procedure is calculated.
CN201610026560.3A 2016-01-16 2016-01-16 Based on digital photography and the contrast of the object of cloud computing and simulation three-dimensional display system Pending CN106981085A (en)

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Application publication date: 20170725