CN110062218A - Projection domain image regulating method and device - Google Patents
Projection domain image regulating method and device Download PDFInfo
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- CN110062218A CN110062218A CN201910391478.4A CN201910391478A CN110062218A CN 110062218 A CN110062218 A CN 110062218A CN 201910391478 A CN201910391478 A CN 201910391478A CN 110062218 A CN110062218 A CN 110062218A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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Abstract
The present invention provides a kind of projection domain image regulating method and device, is related to projection art.This method comprises: emitting light according to transmitter and receiving the time difference of reflection light, calculates and obtain the distance between practical projection domain and transmitter information, transmitter is for emitting light source to practical projection domain；Obtain theoretical the distance between projection domain and transmitter information；According to the distance between practical projection domain and transmitter information, theoretical the distance between projection domain and transmitter information and preset rules, calculates and obtain adjusting parameter；According to adjusting parameter, original image to be projected is adjusted, obtains image adjusted.This method passes through the actual range information between practical projection domain and light source and the theoretical distance information between theoretical projection domain and light source, it calculates and obtains image adjusting parameter, and original image to be projected is adjusted using image adjusting parameter, to improve the drop shadow effect of projected image, increase user's viewing experience degree.
Description
Technical field
The present invention relates to projection arts, in particular to a kind of projection domain image regulating method and device.
Background technique
With the development of car networking and automotive electronic technology, car-mounted display and shadow casting technique are also more and more using vehicle
It is interior.(these images are by different input interfaces data for the various images such as audio-visual, monitor video, VR (virtual reality), game
It is transferred to middle control) show that demand is more and more abundant.Usual car-mounted display mainly passes through display screen, and the display application of screen is more single
One, screen size is also relatively small；In the case where not increasing dedicated projection screen, in face of interior non-linear environment, using throwing
Shadow machine is projected, and projected image picture can generate distortion, these statuses are difficult further to be promoted car entertainment experience, how
The drop shadow effect that projected image is improved in non-linear environment becomes particularly important.
In the prior art, by deforming to multi-screen picture, its projection is made to can be suitably used for irregular screen, then pass through control
End processed is corrected to multi-screen picture and (control is played simultaneously to broadcasting end progress multi-screen picture by control terminal), completes
The automatic Mosaic of multi-screen picture, so that projected image is regular shape.
But in existing method, need that control is played simultaneously to broadcasting end progress multi-screen picture by control terminal,
Control process calculating is complex, so that image calibration efficiency is lower.
Summary of the invention
It is an object of the present invention in view of the deficiency of the prior art, provide a kind of projection domain image regulating method
And device, to solve in the prior art, the lower problem of projection image's calibration efficiency.
To achieve the above object, the embodiment of the present application the technical solution adopted is as follows:
In a first aspect, the embodiment of the present application provides a kind of projection domain image regulating method, comprising:
Emit light according to transmitter and receive the time difference of reflection light, calculates and obtain the practical projection domain and hair
The distance between emitter information, the transmitter is for emitting light source to the practical projection domain；
Obtain theoretical the distance between projection domain and the transmitter information；
According to the distance between the practical projection domain and transmitter information, the theoretical projection domain and the transmitter it
Between range information and preset rules, calculate obtain adjusting parameter；
According to the adjusting parameter, original image to be projected is adjusted, obtains image adjusted.
Optionally, described that light is emitted according to transmitter and receives the time difference of reflection light, it calculates and obtains practical throw
The distance between shadow domain and transmitter information, comprising:
According to transmitter to the practical projection domain transmitting light with receive the practical projection domain reflection light it
Between time difference, calculate the distance between sensing point and the transmitter in the practical projection domain；
According to the distance between sensing point and the transmitter in the practical projection domain, obtain the practical projection domain and
The distance between described transmitter matrix T1.
Optionally, theoretical the distance between projection domain and the transmitter information of the acquisition, comprising:
Transmitting light is sent to the theoretical projection domain by the transmitter；
It is sent by the reflection light of theory projection domain described in the transmitter receipt, and according to the theoretical projection domain
Time difference between transmitting light and the reflection light for receiving the theoretical projection domain calculates in the theoretical projection domain
The distance between sensing point and the transmitter；
According to the distance between sensing point and the transmitter in the theoretical projection domain, obtain the theoretical projection domain and
The distance between described transmitter matrix T2.
Optionally, it is described according to the distance between the practical projection domain and transmitter information, the theoretical projection domain with
The distance between transmitter information and preset rules calculate and obtain adjusting parameter, comprising:
According to the distance between the practical projection domain and the transmitter matrix T1 and the theoretical projection domain with it is described
The distance between transmitter matrix T2 removes the distance matrix T1 and the distance matrix T2 point, obtains adjusting parameter matrix
T。
Optionally, described that the original image to be projected is adjusted according to the adjusting parameter, it obtains adjusted
Image, comprising:
According to the adjusting parameter matrix T, the pixel value of the corresponding pixel points of the original image to be projected is adjusted
It is whole, obtain image adjusted.
Second aspect, the embodiment of the present application provide a kind of projection domain image adjusting apparatus, comprising: obtain module, calculate mould
Block and adjustment module；
The acquisition module is calculated and is obtained for emitting light according to transmitter and receiving the time difference of reflection light
The distance between the practical projection domain and transmitter information, the transmitter is for emitting light source to the practical projection domain；
Obtain theoretical the distance between projection domain and the transmitter information；
The computing module, for according to the distance between the practical projection domain and transmitter information, the theoretical throwing
The distance between shadow domain and the transmitter information and preset rules calculate and obtain adjusting parameter；
The adjustment module, for being adjusted to original image to be projected according to the adjusting parameter, after obtaining adjustment
Image.
Optionally, the acquisition module is specifically used for emitting light to the practical projection domain according to transmitter and receive
Time difference between the reflection light of the practical projection domain calculates sensing point and the transmitter in the practical projection domain
The distance between；According to the distance between sensing point and the transmitter in the practical projection domain, the practical projection is obtained
The distance between domain and the transmitter matrix T1.
Optionally, the acquisition module is specifically used for sending transmitting light to the theoretical projection domain by the transmitter
Line；Transmitting is sent by the reflection light of theory projection domain described in the transmitter receipt, and according to the theoretical projection domain
Time difference between light and the reflection light for receiving the theoretical projection domain calculates and detects in the theoretical projection domain
The distance between point and the transmitter；According to the distance between sensing point and the transmitter in the theoretical projection domain, obtain
Take theoretical the distance between projection domain and the transmitter matrix T2.
Optionally, the computing module is specifically used for according to the distance between the practical projection domain and the transmitter
Matrix T1 and theoretical the distance between projection domain and the transmitter matrix T2, by the distance matrix T1 with it is described away from
It is removed from matrix T2 point, obtains adjusting parameter matrix T.
Optionally, the adjustment module is specifically used for according to the adjusting parameter matrix T, to the original graph to be projected
The pixel value of the corresponding pixel points of picture is adjusted, and obtains image adjusted.
The beneficial effect of the application is: passing through the actual range information and theoretical projection domain between practical projection domain and light source
Theoretical distance information between light source calculates and obtains image adjusting parameter, and using image adjusting parameter to original to be projected
Beginning image is adjusted, and to improve the drop shadow effect of projected image, increases the viewing experience degree of user.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the projection domain image regulating method flow diagram that one embodiment of the application provides；
Fig. 2 is the projection domain image regulating method flow diagram that the another embodiment of the application provides；
Fig. 3 is the projection domain image regulating method flow diagram that another embodiment of the application provides；
Fig. 4 is the projection domain image adjusting apparatus structural schematic diagram that one embodiment of the application provides；
Fig. 5 is the projection domain image adjusting apparatus structural schematic diagram that another embodiment of the application provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Fig. 1 is please referred to, Fig. 1 is the projection domain image regulating method flow diagram that one embodiment of the application provides, such as Fig. 1
It is shown, the projection domain image regulating method, comprising:
S101, light is emitted according to transmitter and receives time difference of reflection light, calculate obtain practical projection domain and
The distance between transmitter information, transmitter is for emitting light source to practical projection domain.
It should be noted that practical projection domain can be the surface of nonlinear area namely out-of-flatness in the present embodiment,
Such as: vehicle-mounted console, or be the metope etc. for having turning.After by projection image to be projected to the practical projection domain, produce
Raw projected image can generate distortion to a certain extent also or be distorted, such as: if there is the table of protrusion in practical projection domain
Face, to projecting thereon, the projected image of generation will be smaller than original image, if there is the surface of recess in practical projection domain,
To projecting thereon, the projected image of generation will be bigger etc. than original image, so that the viewing experience degree of user is influenced, therefore,
In this case, appropriate adjustment is carried out to original projection to be projected, can preferably improves the above problem.
Optionally, above-mentioned transmitter can be array light source, can be by emitting multiple laser pulses to practical projection
Multiple sensing points of field surface, and according to the time difference between the transmitting light of sending and reflected reflection light, it calculates
The practical projection multiple sensing points of field surface are obtained to the distance between array light source information.Such as: the transmitting light of sending and anti-
The time difference being emitted back towards between the reflection light come is t, and the spread speed of light is c, then, practical to project the multiple sensing points of field surface
To the distance between array light source information are as follows: l=ct/2.It should be noted that the laser pulse of above-mentioned array light source transmitting is got over
Intensively, the sensing point in practical projection domain is more, and the practical multiple sensing points of projection field surface got are between array light source
Range information it is truer, can more react the real construction of practical projection field surface.
S102, theoretical the distance between projection domain and transmitter information is obtained.
Optionally, similarly such as step S101, it can use array light source, projected by emitting multiple laser pulses to theory
Multiple sensing points of field surface, and according to reflected reflection light, it calculates and obtains the theoretical projection multiple sensing points of field surface
To the distance between array light source information.
It should be noted that theoretical projection domain namely, projected image corresponding with practical projection domain are not in the present embodiment
The projection domain being distorted, such as: by projection to non-linear practical projection domain image to be projected, the projected image of generation is had
A degree of stretching or compression, lead to image fault, and the projected image for preferably projecting generation should be with it is to be projected
Original image size is identical, namely the projected image of generation is projected in linear plane, and above-mentioned theory projection domain can also recognize
To be the corresponding plane projection domain of size corresponding with practical projection domain.
S103, according between the distance between practical projection domain and transmitter information, theoretical projection domain and transmitter away from
From information and preset rules, calculates and obtain adjusting parameter.
S104, according to adjusting parameter, original image to be projected is adjusted, image adjusted is obtained.
Above-mentioned calculating gets the distance between practical projection domain and transmitter information, and theoretical projection domain and transmitter it
Between range information after, can according to default rule, calculate image adjusting parameter.It should be noted that being obtained according to calculating
The image adjusting parameter taken can be adjusted original image to be projected, such as: the throwing that projection is generated into practical projection domain
The certain parts of shadow image original image more to be projected has stretching, then, can be to part original to be projected according to image adjusting parameter
Beginning image pixel is compressed, so that projecting again to image adjusted, projection is generated into practical projection domain
New projected image be not distorted.
Projection domain image regulating method provided by the embodiments of the present application, by between practical projection domain and light source it is practical away from
From the theoretical distance information between information and theoretical projection domain and light source, calculates and obtain image adjusting parameter, and utilize image tune
Whole parameter is adjusted original image to be projected, to improve the drop shadow effect of projected image, increases the viewing experience of user
Degree.
Fig. 2 is the projection domain image regulating method flow diagram that the another embodiment of the application provides, and further, is such as schemed
Shown in 2, light is emitted according to transmitter and receives time difference of reflection light, calculate obtain practical projection domain and transmitter it
Between range information, comprising:
S201, emitted between light and the reflection light for receiving practical projection domain according to transmitter to practical projection domain
Time difference calculates the distance between sensing point and transmitter in practical projection domain.
Optionally, any number of laser pulse can be emitted into practical projection domain by array light source, so as to
According to the fiber lengths of reflection, obtain multiple sensing points corresponding with laser pulse in practical projection domain to array light source away from
From value.
S202, according to the distance between sensing point and transmitter in practical projection domain, obtain practical projection domain and transmitter
The distance between matrix T1.
Optionally, there are multiple, the distance between the practical projection domain being calculated and transmitter values for above-mentioned sensing point
Also it is different including the distance between multiple, different sensing point to transmitter, according to multiple distance value, can obtain
Establish the distance matrix T1 of multiple sensing points in practical projection domain to array light source, multiple elements namely above-mentioned meter in the matrix
Calculate the multiple distance values obtained.Assuming that the distance matrix T1 obtained are as follows:Wherein 118,120
Deng indicating sensing point in practical projection domain the distance between to array light source, it should be noted that it is considered that practical throwing
Shadow domain is rectangle, then in distance 118 namely the rectangle upper left corner specified point to array light source distance, in distance matrix T1
Element be corresponding with practical projection domain.In addition, certain distance values are larger in above-mentioned distance matrix T1, and such as: 129, it is certain
Distance value is smaller, such as: 80.It should be noted that when distance value is larger, namely in practical projection domain, the sensing point is corresponding
Region there is recess so that the distance between itself and array light source are larger, and when distance value is smaller, namely practical projection
In domain, there is protrusion in the corresponding region of the sensing point, so that the distance between itself and array light source are smaller.
Fig. 3 is the projection domain image regulating method flow diagram that another embodiment of the application provides, and further, is such as schemed
Shown in 3, theoretical the distance between projection domain and transmitter information is obtained, comprising:
S301, transmitting light is sent to theoretical projection domain by transmitter.
S302, transmitting light is sent by the reflection light of transmitter receipt theory projection domain, and according to theoretical projection domain
Time difference between line and the reflection light for receiving theoretical projection domain calculates in theoretical projection domain between sensing point and transmitter
Distance.
Likewise, also can use transmitter as above-mentioned to theoretical projection domain and send transmitting light, and emit according to sending
Light and the time difference for receiving reflection light calculate and obtain in theoretical projection domain multiple sensing points the distance between to array light source
Value.
S303, according to the distance between sensing point and transmitter in theoretical projection domain, obtain theoretical projection domain and transmitter
The distance between matrix T2.
As step S202, similarly available theoretical the distance between projection domain and transmitter matrix T2, apart from mistake
Journey no longer repeats one by one herein.
Further, according between the distance between practical projection domain and transmitter information, theoretical projection domain and transmitter
Range information and preset rules, calculate obtain adjusting parameter, comprising:
According to the distance between practical projection domain and transmitter matrix T1 and theoretical the distance between projection domain and transmitter
Matrix T2 removes distance matrix T1 and distance matrix T2 point, obtains adjusting parameter matrix T.
Assuming that the theoretical projection domain that above-mentioned calculating obtains is with the distance between transmitter matrix T2The distance between practical projection domain and transmitter matrix T1 isSo adjusting parameter matrix T=T2/T1 namely T2 and T1 point removes, then obtainsIt wherein, can by the actual range and theoretical distance of sensing point corresponding in matrix T2 and T1
With know the sensing point be in the presence of recess or protrusion, so as to according to calculate obtain adjusting parameter in correspond to the detection
The parameter value of point, is adjusted corresponding pixel in original image to be projected.Further, it according to adjusting parameter, treats
Projection original image is adjusted, and obtains image adjusted, comprising:
According to adjusting parameter matrix T, the pixel value of the corresponding pixel points of original image to be projected is adjusted, obtains and adjusts
Image after whole.
Such as: element for the first row first row of T1 and T2 it is found that the sensing point to array light source theoretical distance
It is 120, and actual range is 118, namely in practical projection domain, which has protrusion, so that its distance shortens, throws
Shadow to the projected image generated thereon original image relatively to be projected can become smaller.It is right according to the adjusting parameter 1.02 being calculated
The corresponding pixel of the sensing point carries out 1.02 times of increase, can to project the projection generated into practical projection domain again
Image is not distorted.
It should be noted that being when being adjusted using the adjustment matrix T that above-mentioned calculating obtains to original image to be projected
It is adjusted according to the corresponding relationship between sensing point in matrix and original image to be projected, is had for practical projection domain one by one
The sensing point of protrusion, increases accordingly the value of corresponding pixel points in original image to be projected, there is the spy of recess for practical projection domain
Measuring point accordingly reduces the value of corresponding pixel points in original image to be projected, to guarantee final drop shadow effect.
It should be noted that the element numerical value in above-mentioned matrix T1 and matrix T2 is only for example, in practical calculating, to calculate
Data out are final result, for the same practical projection domain and theoretical projection domain, when the sensing point difference of selection, are calculated
The distance matrix got is also different.
Projection domain image regulating method provided by the embodiments of the present application, by between practical projection domain and light source it is practical away from
From the theoretical distance information between information and theoretical projection domain and light source, calculates and obtain image adjusting parameter, and utilize image tune
Whole parameter is adjusted original image to be projected, to improve the drop shadow effect of projected image, increases the viewing experience of user
Degree.
Fig. 4 is the projection domain image adjusting apparatus structural schematic diagram that one embodiment of the application provides, as shown in figure 4, the dress
It sets, comprising: obtain module 410, computing module 420 and adjustment module 430.
Module 410 is obtained, for emitting light according to transmitter and receiving the time difference of reflection light, it is real to calculate acquisition
The distance between border projection domain and transmitter information, transmitter is for emitting light source to practical projection domain；Obtain theoretical projection domain
The distance between transmitter information；Computing module 420, for according to the distance between practical projection domain and transmitter information,
The distance between theoretical projection domain and transmitter information and preset rules calculate and obtain adjusting parameter；Module 430 is adjusted, is used for
According to adjusting parameter, original image to be projected is adjusted, obtains image adjusted.
Further, module 410 is obtained, specifically for practical projection domain transmitting light and receiving reality according to transmitter
Time difference between the reflection light of border projection domain calculates the distance between sensing point and transmitter in practical projection domain；According to
The distance between sensing point and transmitter in practical projection domain obtain the distance between practical projection domain and transmitter matrix T1.
Further, module 410 is obtained, is specifically used for sending transmitting light to theoretical projection domain by transmitter；Pass through
The reflection light of transmitter receipt theory projection domain, and light and theoretical projection is received according to transmitting is sent to theoretical projection domain
Time difference between the reflection light in domain calculates the distance between sensing point and transmitter in theoretical projection domain；It is thrown according to theory
The distance between sensing point and transmitter in shadow domain obtain theoretical the distance between projection domain and transmitter matrix T2.
Further, computing module 420, be specifically used for according to the distance between practical projection domain and transmitter matrix T1,
And theoretical the distance between projection domain and transmitter matrix T2, distance matrix T1 and distance matrix T2 point are removed, adjustment ginseng is obtained
Matrix number T.
Further, module 430 is adjusted, is specifically used for according to adjusting parameter matrix T, to the correspondence of original image to be projected
The pixel value of pixel is adjusted, and obtains image adjusted.
Above-mentioned apparatus can be used for executing the method for above method embodiment offer, specific implementation and technical effect class
Seemingly, which is not described herein again.
Fig. 5 is the projection domain image adjusting apparatus structural schematic diagram that another embodiment of the application provides, as shown in figure 5, should
Device includes: processor 501 and memory 502, in which: memory 502 calls memory for storing program, processor 501
The program of 502 storages, to execute above method embodiment.Specific implementation is similar with technical effect, and which is not described herein again.
The device can integrate in the equipment such as terminal or server, the application with no restriction.
Optionally, the present invention also provides a kind of program product, such as computer readable storage medium, including program, the journeys
Sequence is when being executed by processor for executing above method embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in embodiment of the method can be referred to, is repeated no more in the application.In the application
In provided several embodiments, it should be understood that disclosed systems, devices and methods, it can be real by another way
It is existing.The apparatus embodiments described above are merely exemplary, for example, the division of the module, only a kind of logic function
It can divide, there may be another division manner in actual implementation, in another example, multiple module or components can combine or can collect
At another system is arrived, or some features can be ignored or not executed.Another point, shown or discussed mutual coupling
Conjunction or direct-coupling or communication connection can be the indirect coupling or communication connection by some communication interfaces, device or module,
It can be electrical property, mechanical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, the application
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the application
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk
Etc. the various media that can store program code.
The above is only the protection scopes of the specific embodiment of the application, but the application to be not limited thereto, any to be familiar with
Those skilled in the art within the technical scope of the present application, can easily think of the change or the replacement, and should all cover
Within the protection scope of the application.Therefore, the protection scope of the application should be subject to the protection scope in claims.
Claims (10)
1. a kind of projection domain image regulating method characterized by comprising
Emit light according to transmitter and receive the time difference of reflection light, calculates and obtain between practical projection domain and transmitter
Range information, the transmitter is for emitting light source to the practical projection domain；
Obtain theoretical the distance between projection domain and the transmitter information；
According between the distance between the practical projection domain and transmitter information, the theoretical projection domain and the transmitter
Range information and preset rules calculate and obtain adjusting parameter；
According to the adjusting parameter, original image to be projected is adjusted, obtains image adjusted.
2. the method according to claim 1, wherein described emit light according to transmitter and receive reflected light
The time difference of line calculates and obtains the distance between practical projection domain and transmitter information, comprising:
According to transmitter between the practical projection domain transmitting light and the reflection light for receiving the practical projection domain
Time difference calculates the distance between sensing point and the transmitter in the practical projection domain；
According to the distance between sensing point and the transmitter in the practical projection domain, obtain the practical projection domain with it is described
The distance between transmitter matrix T1.
3. the method according to claim 1, wherein the acquisition theory the distance between projection domain and transmitter
Information, comprising:
Transmitting light is sent to the theoretical projection domain by the transmitter；
Transmitting is sent by the reflection light of theory projection domain described in the transmitter receipt, and according to the theoretical projection domain
Time difference between light and the reflection light for receiving the theoretical projection domain calculates and detects in the theoretical projection domain
The distance between point and the transmitter；
According to the distance between sensing point and the transmitter in the theoretical projection domain, obtain the theory projection domain with it is described
The distance between transmitter matrix T2.
4. according to the method in claim 2 or 3, which is characterized in that it is described according to the practical projection domain and transmitter it
Between range information, theoretical the distance between projection domain and the transmitter information and preset rules, calculate to obtain and adjust
Parameter, comprising:
According to the distance between the practical projection domain and the transmitter matrix T1 and the theoretical projection domain and the transmitting
The distance between device matrix T2 removes the distance matrix T1 and the distance matrix T2 point, obtains adjusting parameter matrix T.
5. according to the method described in claim 4, it is characterized in that, described according to the adjusting parameter, to the original to be projected
Beginning image is adjusted, and obtains image adjusted, comprising:
According to the adjusting parameter matrix T, the pixel value of the corresponding pixel points of the original image to be projected is adjusted, is obtained
Take image adjusted.
6. a kind of projection domain image adjusting apparatus characterized by comprising obtain module, computing module and adjustment module；
The acquisition module calculates for emitting light according to transmitter and receiving the time difference of reflection light and obtains reality
The distance between projection domain and transmitter information, the transmitter is for emitting light source to the practical projection domain；It obtains theoretical
The distance between projection domain and the transmitter information；
The computing module, for according to the distance between the practical projection domain and transmitter information, the theoretical projection domain
The distance between the transmitter information and preset rules calculate and obtain adjusting parameter；
The adjustment module, for being adjusted to original image to be projected, obtaining figure adjusted according to the adjusting parameter
Picture.
7. device according to claim 6, which is characterized in that the acquisition module is specifically used for according to transmitter to institute
The time difference between practical projection domain transmitting light and the reflection light for receiving the practical projection domain is stated, the reality is calculated
The distance between sensing point and the transmitter in projection domain；According to sensing point in the practical projection domain and the transmitter it
Between distance, obtain the distance between the practical projection domain and the transmitter matrix T1.
8. device according to claim 6, which is characterized in that the acquisition module is specifically used for passing through the transmitter
Transmitting light is sent to the theoretical projection domain；By the reflection light of theory projection domain described in the transmitter receipt, and root
According to the time sent to the theoretical projection domain between transmitting light and the reflection light for receiving the theoretical projection domain
Difference calculates the distance between sensing point and the transmitter in the theoretical projection domain；It is detected according in the theoretical projection domain
The distance between point and the transmitter obtain theoretical the distance between projection domain and the transmitter matrix T2.
9. device according to claim 7 or 8, which is characterized in that the computing module is specifically used for according to the reality
The distance between projection domain and the transmitter matrix T1 and theoretical the distance between projection domain and the transmitter matrix
T2 removes the distance matrix T1 and the distance matrix T2 point, obtains adjusting parameter matrix T.
10. device according to claim 9, which is characterized in that the adjustment module is specifically used for being joined according to the adjustment
Matrix number T is adjusted the pixel value of the corresponding pixel points of the original image to be projected, obtains image adjusted.
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| CN201910391478.4A CN110062218A (en) | 2019-05-09 | 2019-05-09 | Projection domain image regulating method and device |
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| CN201910391478.4A CN110062218A (en) | 2019-05-09 | 2019-05-09 | Projection domain image regulating method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942129A (en) * | 2021-03-29 | 2021-06-11 | 中交一公局第二工程有限公司 | Quick installation, measurement and positioning method for double prefabricated pier stud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942129A (en) * | 2021-03-29 | 2021-06-11 | 中交一公局第二工程有限公司 | Quick installation, measurement and positioning method for double prefabricated pier stud |
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