CN108063930A

CN108063930A - A kind of optical projection system and projecting method, storage medium

Info

Publication number: CN108063930A
Application number: CN201810121204.9A
Authority: CN
Inventors: 汪际军
Original assignee: Qualper Optoelectronics Technology (shanghai) Co Ltd
Current assignee: Quanpu Semiconductor Technology (Shenzhen) Co., Ltd.
Priority date: 2018-02-07
Filing date: 2018-02-07
Publication date: 2018-05-22

Abstract

The present invention provides a kind of optical projection system and projecting methods,Storage medium,It is combined using two projection modules and image processor,Increase the line number of raw image data using image processor,And read the different piece of new image data transverse direction respectively with the use of two projection modules,Longitudinal direction projects the projected image of the new image data of each part simultaneously,And difference precorrection is carried out using switching part is projected for micro- projected light beam of micro- projection module projection,The projected image splicing finally projected is complete,Regular shape,Without observation image quality defect,And projected image resolution ratio is improved,So that the projected image per part is longitudinal spliced into target projection image,The image pixel of final output has longitudinally increased one times,Brightness adds one times,Image area also adds one times in transverse direction,And it improves from image processing process to the logic speed in projection projection process,Reduce energy consumption.

Description

A kind of optical projection system and projecting method, storage medium

Technical field

The present invention relates to projection arts, and in particular to a kind of optical projection system and its projecting method and a kind of calculating Machine readable storage medium storing program for executing.

Background technology

With the development of science and technology, projection arrangement increasingly minimizes and portability, therefore, laser projection device meet the tendency of and It is raw, since the small and brightness of laser projection device is high, thus receives significant attention and have been put into and commercially produce.So And even if the laser brightness of laser projection device is high, under white light or the stronger region of light, what laser projection device was projected out The problem of not knowing is presented in picture in contrast, this also brings huge challenge to the light intensity and clarity of projection arrangement.

How the semiconductor laser that existing laser light source uses improves on the premise of volume does not increase or reduces How the brightness of laser projection device and clarity can still see more clearly picture particularly under white light, be industry The problem generally studied.

In addition, it usually needs mobile existing projection arrangement adjusts the distance at projection arrangement and projection interface so as to obtaining Larger picture, however, in the state of above-mentioned projection arrangement with the increase of projection interface, the brightness of projected image can decrease And clarity can also decline therewith.

Furthermore in traditional technology, the image resolution ratio using single laser scans is low, along with MEMS micromirror fast axle frequency Rate is restricted so that fast axle scanning track spacing is larger in slow axis a cycle, affects longitudinal resolution, also, single The brightness of a laser projection imaging is low.For drawbacks described above, generally use increases the quantity of laser to improve the bright of image Degree and pixel.

However, since laser can lose big energy in imaging, bigger the lost energy of quantity of laser is just It is more, increase number of lasers by simple, preferable brightness and clarity can not be reached, instead so that laser projection device Heat aggregation degree it is larger, cause serious heat dissipation problem, improve danger coefficient.

The content of the invention

In order to overcome problem above, the present invention is intended to provide a kind of optical projection system, by projecting switching part to micro- projection The difference precorrection of light beam, so as to eliminate piece and difference.

In order to achieve the above object, the present invention provides a kind of optical projection system, including：One image processor, first micro- throwing Shadow module and second micro- projection module and projection switching part；

Image processor is connected respectively with first micro- projection module, second micro- projection module, and image processor receives and place Raw image data is managed, obtains new image data, the line number of new image data is more than the line number of raw image data；

First micro- projection module and second micro- projection module while an and part for reading new image data, and throwing respectively Project micro- projected light beam of micro- projected image comprising each part；

First projection switching part is oppositely arranged with first micro- projection module, is sent for receiving first micro- projection module First micro- projected light beam, and difference precorrection is carried out to first micro- projected light beam；

Second projection switching part is oppositely arranged with second micro- projection module, is sent for receiving second micro- projection module Second micro- projected light beam, and difference precorrection is carried out to second micro- projected light beam, so that the micro- throwing of first after calibrated Shadow light beam and second micro- projected light beam are spliced into target projection image.

In one embodiment, the optical projection system also has reflection component, and the reflection component is received to be turned from the first projection Relay part, the second projection switching part come out it is calibrated after first micro- projected light beam, second micro- projected light beam, it is and it is anti- Projection is spliced into final target projection image after penetrating expansion；Wherein, reach the reflection component it is described it is calibrated after One micro- projected light beam, second micro- projected light beam are spliced into complete projected image, then after obtaining expansion after reflection component amplifies Final target projection image.

In one embodiment, the optical projection system also has reflection component, and the reflection component is received to be turned from the first projection Relay part, the second projection switching part come out it is calibrated after first micro- projected light beam, second micro- projected light beam, it is and it is anti- Projection is spliced into final target projection image after penetrating expansion.

In one embodiment, the first projection switching part includes the first projection transfer lens and the first difference precorrection Element；Wherein, after the first projection transfer lens receive first micro- projected light beam, the first difference precorrection element According to the position of the described first projection transfer lens, the position of the reflection component, the first lenticule light beam is calculated from institute The first projection transfer lens are stated to come out and reach the first path of the reflection component；Then, the first difference precorrection element root The light path of first micro- projected light beam by the described first projection transfer lens is adjusted according to obtained first path so that from The first lenticule light beam that the first projection transfer lens come out reaches the reflection component；

The second projection switching part includes the second projection transfer lens and the second difference precorrection element；Wherein, institute After stating the second projection transfer lens reception second micro- projected light beam, the second difference precorrection element is according to described second Position, the position of the reflection component of transfer lens are projected, the second lenticule light beam is calculated and turns from the described second projection Connect the first path that camera lens comes out and reaches the reflection component；Then, the second difference precorrection element is according to obtained the One path come adjust by described second projection transfer lens second micro- projected light beam light path so that from described first projection The first lenticule light beam that transfer lens come out reaches the reflection component, come out from the described second projection transfer lens second Lenticule light beam is formed when reaching the reflection component splices complete projected image, eliminates the piece and difference of projected image.

In one embodiment, the first projection switching part includes the first projection transfer lens and the first difference precorrection Element；Wherein, after the first projection transfer lens receive first micro- projected light beam, the first difference precorrection element According to the position of the described first projection transfer lens, the position of the reflection component, the first lenticule light beam is calculated from institute It states the first projection transfer lens to come out and reach the first path of the reflection component, and is calculated in real time from the reflection component Reach the second path for being not fixed projection interface after reflection；Then, the first difference precorrection element is according to obtained second tunnel Footpath adjusts the first path, is adjusted further according to the first path by the first micro- of the described first projection transfer lens The light path of projected light beam,；

The second projection switching part includes the second projection transfer lens and the second difference precorrection element；Wherein, institute After stating the second projection transfer lens reception second micro- projected light beam, the second difference precorrection element is according to described second Position, the position of the reflection component of transfer lens are projected, the second lenticule light beam is calculated and turns from the described second projection The first path that camera lens comes out and reaches the reflection component is connect, and calculates reach not after reflection component reflection in real time Second path at fixed projection interface；Then, described in the second difference precorrection element is adjusted according to obtained second path First path adjusts the light of second micro- projected light beam by the described second projection transfer lens further according to the first path Road so that the first lenticule light beam come out from the described first projection transfer lens reaches the reflection component, from described second The second lenticule light beam that projection transfer lens come out is formed when reaching the reflection component splices complete projected image, eliminates Projected image piece and difference.

In one embodiment, it is described first projection switching part and it is described second projection switching part be generally aligned in the same plane and It is arranged in arrays.

In one embodiment, it is described first projection switching part or it is described second projection switching part include three pieces or with Upper different optics is turned back the combination of eyeglass；The minute surface of each eyeglass is spherical surface, aspherical or free form surface.

In one embodiment, the reflection component is the reflection component with light path of turning back at least once.

In one embodiment, the reflection component is plane mirror, convex reflecting mirror, concave mirror, free form surface Speculum, reflecting prism, turn back one of reflecting prism or wherein at least combination with free form surface.

In one embodiment, described image processor includes：Image receiving element, computing element and the first image storage member Part；Wherein,

Image receiving element is mutually electrically connected with computing element, and image receiving element receives k-th frame raw image data；Wherein, It is made of per frame raw image data N row raw image datas, N is positive integer；

Computing element is mutually electrically connected with image receiving element, image memory element, and computing element is to k-th frame original image number According to interpolation calculation is carried out, a line interpolated data row is inserted between adjacent rows raw image data；It is inserted in computing element While value calculates, image receiving element, which starts to perform, receives next frame raw image data；

First image memory element is mutually electrically connected with computing element, digital independent element, and the first image memory element is by interpolation Data row is preserved with k-th frame raw image data, so as to form k-th frame new image data；In the first image memory element While preserving k-th frame new graph data, computing element starts to perform next step interpolation calculation；Wherein, K is just whole from 1 to M Number, M are the totalframes of image data.

In one embodiment, the first digital independent element and the first projection element are provided in first micro- projection module；The The second digital independent element and the second projection element are provided in two micro- projection modules；Wherein,

First digital independent element is mutually electrically connected with the first image memory element, and it is new that the first digital independent element reads k-th frame The preceding N rows new image data of image data, and it is sent to the first projection element；

First projection element, the preceding N rows new image data that the first digital independent element is sent project first micro- throwing Shadow light beam after the first projection switching part carries out difference precorrection, is launched calibrated into the first projection switching part First micro- projected light beam；

Second digital independent element is mutually electrically connected with the second image memory element, and it is new that the second digital independent element reads k-th frame The rear N rows new image data of image data, and it is sent to the second projection element；

Second projection element, the rear N rows new image data that the second digital independent element is sent project second micro- throwing Shadow light beam after the second projection switching part carries out difference precorrection, is launched calibrated into the second projection switching part Second micro- projected light beam；First micro- projected light beam forms the upper half images of target projection image, and second micro- projected light beam is formed The lower half images of target projection image；Half images and lower half range image mosaic are formed entirely on final projection interface Target projection image；Wherein, the first digital independent element to the reading of the preceding N rows new image data of k-th frame new image data with Second digital independent element is carried out at the same time the reading of the rear N rows new image data of k-th frame new image data, then the first data Reading element sends the preceding N rows new image data of k-th frame new image data and the second digital independent element sends k-th frame new images The rear N rows new image data of data is carried out at the same time so that upper half images and lower half images are incident upon simultaneously on projection interface.

In one embodiment, the first clock, second micro- projection module are additionally provided in described first micro- projection module In be additionally provided with second clock；First digital independent element described in first clock control sends the preceding N rows new images number According to frequency；The frequency of N row new image datas after the second clock controls the second digital independent element transmission described.

In one embodiment, described image processor further includes image source element, the first detecting element and the second image and deposits Store up element；Image source element sends the first row raw image data of k-th frame raw image data to image receiving element；Image Receiving element receives the first row raw image data of k-th frame raw image data, and is stored in the second image memory element In；First detecting element detects whether to receive all pixels point of the first row raw image data；If it is not, then it sends a signal to Image receiving element, image receiving element continue to；It repeats the above process, until completing the complete of k-th frame raw image data The reception of portion N row raw image datas.

In one embodiment, described image processor further includes control element；Wherein,

Computing element reads the 1st row raw image data of k-th frame raw image data；If j be since 2 to N just Integer, computing element also read the jth row raw image data of k-th frame raw image data；

Computing element to -1 row raw image data of jth of k-th frame raw image data and jth row raw image data into Row image interpolation calculates, and -1 row interpolation number of jth is inserted between -1 row raw image data of jth and jth row raw image data According to row；

Control element judges whether the calculating of -1 row interpolation data row of jth is completed；If it is, the first image storage member Part preserves -1 row raw image data of jth of k-th frame raw image data；If it is not, then send a signal to computing element continuation Carry out the calculating of -1 row interpolation data row of jth；

Control element judges whether that -1 row raw image data of the jth preservation to k-th frame raw image data finishes；If It is then to send and determine that signal controls the first image memory element to preserve -1 row interpolation data row of jth to the first image memory element； If it is not, then continue -1 row raw image data of jth of preservation k-th frame raw image data；

Then, control element further determines whether to finish the preservation of jth row interpolation data row；If it is, under continuing The calculating of a line k-th frame interpolated data row；It is inserted if it is not, then control element controls the first image memory element to carry out -1 row of jth The preservation of Value Data row.

In one embodiment, the computing element also sets up Nth row interpolated data row, makes the number of Nth row interpolated data row According to equal to Nth row raw image data, so as to complete the interpolation calculation to k-th frame raw image data, newly schemed with obtaining 2*N rows As data.

In one embodiment, the control element further determines whether to have preserved whole interpolation of k-th frame raw image data Data row；If it is, the first digital independent element of control and the second digital independent element start to read data.

In one embodiment, described image processor further includes the second detecting element, and the second detecting element is to image data Stability is detected.

In one embodiment, the second detecting element is detected image data stability and specifically includes：Waiting a figure During image source sends data, detect whether described image source sends data in real time；It is connect if it is, sending a signal to image Element is received, image receiving element is made to start to receive image data；Then the second detecting element detects whether to receive continuous two frame Image data if it is, illustrating to capture stable image source, and sends a signal to computing element, and computing element is made to start pair The k-th frame raw image data that image receiving element receives carries out interpolation calculation.

In order to achieve the above object, the present invention also provides a kind of image projection sides carried out using above-mentioned optical projection system Method, including：

Step 01：Receive raw image data；

Step 02：Raw image data is handled, obtains new image data so that the line number of new image data is more than original graph As the line number of data；

Step 03：The longitudinal different piece of new image data is read simultaneously and respectively, and longitudinally project each portion Divide corresponding projected light beam；

Step 04：Difference precorrection is carried out to the projected light beam of each part so that the projected light beam per part is in transverse direction On be spliced into target projection image.

In one embodiment, it is made of per frame raw image data N row raw image datas, N is positive integer；

The step 01 specifically includes：Receive k-th frame raw image data；

The step 02 specifically includes：Interpolation calculation is carried out to k-th frame raw image data, obtains k-th frame original image The N row interpolation data rows of data, and N row interpolation data rows and k-th frame raw image data are saved as into k-th frame new images number According to；Meanwhile K is made to be incremented by 1, and perform a step 01；

The step 03 specifically includes：Preceding N rows new image data and the rear N rows for reading k-th frame new image data simultaneously are new Image data, and at the same time projecting first micro- projected light beam of preceding N rows new image data and rear N rows new images number in the longitudinal direction According to second micro- projected light beam.

In one embodiment, in the step 04, difference precorrection is carried out to first micro- projected light beam to be included：Receive first After micro- projected light beam, according to the first projection position of transfer lens, the position of reflection component, the first lenticule light beam is calculated from the One projection transfer lens come out and reach the first path of reflection component；Then, warp is adjusted according to obtained first path Cross the light path of first micro- projected light beam of the first projection transfer lens so that come out from the first projection transfer lens first micro- Mirror light beam reaches reflection component；Carrying out difference precorrection to second micro- projected light beam simultaneously includes：Receive second micro- projected light beam Afterwards, according to the position of the second projection transfer lens, the position of reflection component, the second lenticule light beam is calculated from the second projection switching Camera lens comes out and reaches the first path of reflection component；Then, adjusted according to obtained first path by the second projection The light path of second micro- projected light beam of transfer lens so that the first lenticule light beam come out from the first projection transfer lens reaches Reflection component, the second lenticule light beam from the second projection transfer lens out form splicing when reaching reflection component and completely throw Shadow image.

In one embodiment, in the step 03, further include：Setting projects preceding N rows new image data and rear N rows new images Then the frequency of data, preceding N rows new image data and rear N rows new image data is projected according to set frequency.

In one embodiment, in the step 01, receive k-th frame raw image data and specifically include：

Step 011：Start the i-th row raw image data of reception k-th frame raw image data；

Step 012：Detect whether to receive all pixels point of the i-th row raw image data；If it is, perform step 013；If it is not, then perform step 011；Step 013：Under i-th row raw image data of k-th frame raw image data is preserved Come；

Step 014：Then, i is made to be incremented by 1, performs step 011~013, until completing N row k-th frame raw image datas It preserves, so as to which k-th frame raw image data all be preserved；The positive integer of i=1 to N；N is k-th frame raw image data Line number.

In one embodiment, the step 02 specifically includes：Step 021：The 1st row for taking k-th frame raw image data is former Beginning image data；

Step 022：If j is also to read the jth of k-th frame raw image data to the positive integer of N, computing element since 2 Row raw image data；

Step 023：- 1 row raw image data of jth and jth row raw image data to k-th frame raw image data into Row image interpolation calculates, and -1 row interpolation number of jth is inserted between -1 row raw image data of jth and jth row raw image data According to row；

Step 024：Judge whether the calculating of -1 row interpolation data row of jth is completed；If it is, perform step 025；If It is no, then perform step 024；

Step 025：Preserve -1 row raw image data of jth of k-th frame raw image data；

Step 026：Judge whether that -1 row raw image data of the jth preservation to k-th frame raw image data finishes；If It is then to perform step 027；If it is not, then perform step 025；

Step 027：Preserve -1 row k-th frame interpolated data row of jth；

Step 028：Judge whether to finish the preservation of -1 row interpolation data row of jth；If it is, perform step 029；If It is no, then perform step 027；

Step 029：J is made to be incremented by 1, step 022~028 is repeated, by k-th frame raw image data and its all interpolated datas Row, which preserves, forms k-th frame new image data.

In one embodiment, the step 022 specifically includes：After step 029 and before step 03, further include： Nth row interpolated data row is established, the data of Nth row interpolated data row is made to be equal to Nth row raw image data, so as to complete to the The interpolation calculation of K frame raw image datas, to obtain 2*N row new image datas.

In one embodiment, further included before step 01：To image data Detection of Stability.

In one embodiment, image data Detection of Stability is specifically included：

Step 001：During waiting image source transmission data, whether real-time detection image source sends data；If so, Then perform step 002；

Step 002：Start to receive image data；

Step 003：It detects whether to receive two field pictures data, so as to judge whether to capture stable image source；If it is, Perform step 01；If it is not, then perform step 001.

In order to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium Storage medium is stored with computer instruction, and the computer instruction realizes above-mentioned image projecting method when being executed by processor Step.

The present invention is combined using two projection modules and image processor, increases original image using image processor The line number of data, and with the use of the different piece that two project modules and read new image data longitudinal direction respectively, while longitudinal direction is thrown The projected image of the new image data of each part is projected, and projection is utilized for micro- projected light beam of micro- projection module projection Switching part carries out difference precorrection, the splicing of the projected image that finally projects is complete, regular shape, without observation image quality defect, And projected image resolution ratio is improved.So that the projected image per part is longitudinal spliced into target projection image, it is final defeated The image pixel gone out has longitudinally increased one times, and brightness adds one times, and image area also adds one times in transverse direction, and improves From image processing process to the logic speed in projection projection process, energy consumption is reduced, therefore the present invention is especially suitable for big In picture miniature image output equipment, such as miniature laser projector equipment.

Description of the drawings

Fig. 1 is the relation schematic diagram of each component of the optical projection system of the preferred embodiment of the present invention

Fig. 2 is projecting light path's schematic diagram without precorrection in the optical projection system of the preferred embodiment of the present invention

Fig. 3 is projecting light path's schematic diagram through precorrection in the optical projection system of the preferred embodiment of the present invention

Fig. 4 is the structure diagram of the projection arrangement of the preferred embodiment of the present invention

Fig. 5 is the flow diagram of the image projecting method of the preferred embodiment of the present invention

Fig. 6 is the flow diagram of step 01 in Fig. 5

Fig. 7 is the flow diagram of step 02 in Fig. 5

Specific embodiment

To make present disclosure more clear and easy to understand, below in conjunction with Figure of description, present disclosure is made into one Walk explanation.Certainly the invention is not limited to the specific embodiment, the general replacement known to those skilled in the art Cover within the scope of the present invention.

Optical projection system in the present invention, including：Micro- projection module and projection switching part.It is sent using micro- projection module micro- Projected light beam.The micro- projected light beam for receiving micro- projection module using switching part is projected and sending, and phase is carried out to micro- projected light beam Poor precorrection, so as to obtain target projection image.In addition, in order to obtain big picture projected image and the phase to micro- projected light beam Difference is further corrected, and reflection component can also be set in some embodiments of the present invention, and reflection component is received from each throwing Shadow switching part come out it is calibrated after micro- projected light beam, and reflect expand after project final target projection figure Picture.Also, it is connected respectively with each micro- projection module using image processor, image processor receives and processing original image number According to obtaining new image data, the line number of new image data is more than the line number of raw image data.

The present invention is described in further detail below in conjunction with attached drawing 1~7 and specific embodiment.It should be noted that attached drawing Using very simplified form, using non-accurate ratio, and only to it is convenient, clearly reach aid illustration the present embodiment Purpose.

Referring to Fig. 1, in the present embodiment, micro- projection module is two, first micro- projection module and second micro- projection module. In certain other embodiments or four or other quantity.Here the number of projection switching part and micro- projection module Number is identical and the two corresponds, there is the first projection switching part and the second projection switching part.Through each projecting Switching part is carried out after difference precorrection so that the projected light beam that each projection switching part obtains can be on projection interface It is spliced into complete target projection image.Wherein, first micro- projection module and second micro- projection module are read simultaneously and respectively new A part for image data, and project micro- projected light beam of micro- projected image comprising each part；First projection switching Component is oppositely arranged with first micro- projection module, for receiving first micro- projected light beam that first micro- projection module is sent, and it is right First micro- projected light beam carries out difference precorrection；Second projection switching part is oppositely arranged with second micro- projection module, for connecing Second micro- projected light beam that second micro- projection module is sent is received, and difference precorrection is carried out to second micro- projected light beam, so that It is calibrated after first micro- projected light beam and second micro- projected light beam be spliced into target projection image.

Referring to Fig. 2, be projecting light path's schematic diagram without precorrection of the present embodiment, in Fig. 2, two micro- projection modules The 01 micro- projected light beam projected is projected directly at reflection component 03, and reflection component 03 reaches projection circle after reflecting micro- projected light beam Face 04, due to not calibrated, the projected light beam that the two micro- projection modules 01 are projected occurs when splicing on projecting interface 04 Splicing overlapping or splicing blank are referred to as piece here, and the hacures identification division signal piece on interface 04 is projected in Fig. 2.Please The first projection is provided with refering to Fig. 3, in the present embodiment, on the path of the micro- projected light beam emitted in each micro- projection module 01 to turn Relay part and the second projection switching part 02 carry out differing pre- school through the first projection switching part, the second projection switching part 02 Projected light beam after just is transmitted on reflection component 03, and reflection component is received to be turned from the first projection switching part, the second projection Relay part come out it is calibrated after first micro- projected light beam, second micro- projected light beam, and reflect expansion after projection splice Go out final target projection image；Wherein, reach reflection component it is calibrated after first micro- projected light beam, second micro- projected light Beam is spliced into complete projected image, then the final target projection image after being expanded after reflection component amplifies；Also It is to have been corrected when micro- projected light beam reaches reflection component 03, the projected image on reflection component 03 is not spell Seam, the projected image without difference, as shown in Figure 3.

In the present embodiment, in the present embodiment, the first projection switching part includes the first projection transfer lens and the first difference Precorrection element；Specifically, first projection transfer lens receive first micro- projected light beam after, first difference precorrection element according to Position, the position of reflection component of first projection transfer lens calculate the first lenticule light beam and go out from the first projection transfer lens Come and reach the first path of reflection component；Then, the first difference precorrection element is adjusted according to obtained first path By the light path of first micro- projected light beam of the first projection transfer lens so that come out from the first projection transfer lens first micro- Lens light beam reaches reflection component；Second projection switching part includes the second projection transfer lens and the second difference precorrection member Part；Specifically, after the second projection transfer lens receive second micro- projected light beam, the second difference precorrection element is according to the second projection The position of transfer lens, the position of reflection component calculate the second lenticule light beam and come out and reach from the second projection transfer lens The first path of reflection component；Then, the second difference precorrection element is adjusted according to obtained first path by second Project the light path of second micro- projected light beam of transfer lens so that the first lenticule light beam come out from the first projection transfer lens It is complete that splicing is formed when reaching reflection component, reaching reflection component from the second lenticule light beam that the second projection transfer lens come out Projected image, eliminate the piece and difference of projected image, obtain the projected image without observation image quality defect.

Certainly, in other embodiments of the invention, reflection component is received turns from the first projection switching part, the second projection Relay part come out it is calibrated after first micro- projected light beam, second micro- projected light beam, and reflect expansion after projection splice Go out final target projection image, it is, being not just to complete to correct when reaching reflection component 03, but boundary is projected reaching Correction is completed during face 04, correction at this time will consider the first projection switching part, the second projection switching part 02 and reflection component 03 relative position relation.At this point, the first projection switching part includes the first projection transfer lens and the first difference precorrection member Part；Specifically, after the first projection transfer lens receive first micro- projected light beam, the first difference precorrection element is according to the first projection The position of transfer lens, the position of reflection component calculate the first lenticule light beam and come out and reach from the first projection transfer lens The first path of reflection component, and the second path for reaching after reflection component reflection and being not fixed projection interface is calculated in real time； Then, the first difference precorrection element adjusts first path according to obtained second path, is adjusted further according to first path Warping crosses the light path of first micro- projected light beam of the first projection transfer lens.Second projection switching part includes the second projection and transfers Camera lens and the second difference precorrection element；Wherein, after the second projection transfer lens receive second micro- projected light beam, the second difference is pre- Correcting element calculates the second lenticule light beam and is thrown from second according to the position of the second projection transfer lens, the position of reflection component Shadow transfer lens come out and reach the first path of reflection component, and calculate to reach after reflection component reflection in real time and be not fixed Project second path at interface；Then, the second difference precorrection element adjusts described first according to obtained second path Path adjusts the light path of second micro- projected light beam by the second projection transfer lens further according to first path so that from the The first lenticule light beam that one projection transfer lens come out reaches reflection component, it is second micro- to be come out from the second projection transfer lens Lens light beam is formed when reaching reflection component splices complete projected image, eliminates projected image piece and difference, obtains no sight Examine the projected image of image quality defect.

It should be noted that in two kinds of above-mentioned embodiments, it is described to the first projection transfer lens or the second projection turns Camera lens is connect to be adjusted according to first path to adjust first path and the first projection transfer lens according to obtained second path Warping crosses the light path of micro- projected light beam of first micro- projection lens, and the second projection transfer lens adjust process according to first path The light path of micro- projected light beam of second micro- projection lens, it is micro- to first path and first on the first projection transfer lens here The realization of the realization of the light path of projected light beam, the second projection transfer lens to the light path of first path and second micro- projected light beam On, it may be employed and the first projection transfer lens, the second projection transfer lens are finely adjusted, this fine tuning includes first, second The movement and rotation of transfer lens are projected, the realization of movement and rotation on first, second projection transfer lens here can be with Using MEMS, it that is to say the first difference precorrection element, the second difference precorrection cell feeds back result of calculation to MEMS System under the control of MEMS, and is equipped with one group of mechanical part, according to first path or the second path, utilizes Machinery Ministry Part carries out Mechanical Driven, so as to adjust the movement with first, second projection transfer lens of driving.For example, elasticity may be employed Elastomeric element is suppressed or is stretched as to a certain degree, so as to obtain the first projection to turn by component and engaging part using engaging part Connect camera lens, some fixed position of the second projection transfer lens.In the first projection of adjustment transfer lens, the second projection switching mirror During head, MEMS system control engaging part is moved to certain position, so complete so as to which elastomeric element be driven to recoil to certain position The adjustment of paired first projection transfer lens, the second projection transfer lens.

First projection transfer lens, the second projection transfer lens may each comprise the different optics of three pieces or more and turn back mirror The combination of piece；The minute surface of each eyeglass is spherical surface, aspherical or free form surface.

In addition, reflection component 03 is the reflection component with light path of turning back at least once, reflection component 03 can be plane Speculum, convex reflecting mirror, concave mirror, free-form surface mirror, reflecting prism, the reflection rib of turning back with free form surface One of mirror or wherein at least combination.Also, the first projection switching part 02 is respectively positioned on same plane and arranged in arrays, Second projection switching part 02 is respectively positioned on same plane and arranged in arrays.For example, two projection modules and two projection switchings In the combination of component 02, after the difference precorrection of the first projection transfer lens and the second projection transfer lens and through reflection component 03 reflection, finally formed first micro- projected light beam, second micro- projected light beam are spliced into one completely on projection interface 04 Projected image, the projected image seamless, regular shape, no observation image quality defect, while improve resolution ratio.In addition, through anti- It penetrates component 03 to reflect so that micro- projected light beam is further enlarged, then is conducive to obtain oversized picture projected image.

Below referring to Fig. 4, transferring to image processor, first micro- projection module, second micro- projection module, the first projection Matching relationship between component and the second projection switching part is described.Image processor receives and processing original image number According to obtaining new image data, the line number of new image data is more than the line number of raw image data.At a kind of image of the present embodiment Reason device includes：Image receiving element, computing element, the first image memory element, digital independent element can additionally include figure Image source element, the first detecting element, the second detecting element and the second image memory element and control element.

In the present embodiment, before image calculating is carried out, the stability of image data is detected, here using one Two detecting elements are detected image data stability, specifically include：It is real during an image source is waited to send data When detect whether the image source sends data；If it is, sending a signal to image receiving element, start image receiving element Receive image data；Then the second detecting element detects whether to receive continuous two field pictures data, if it is, illustrating to capture Stablize image source, and send a signal to computing element, start computing element original to the k-th frame of image receiving element reception Image data carries out interpolation calculation.Here, as described in k-th frame raw image data description in above-mentioned image processing method It is described, which is not described herein again.

Image receiving element is mutually electrically connected with computing element, for receiving k-th frame raw image data, here it is possible to count Calculate the lower reception k-th frame raw image data of signal control of element.

Second image memory element is used for storing the raw image data of image receiving element reception；Here, image source member Part sends the first row raw image data of k-th frame raw image data to image receiving element；Image receiving element receives K The first row raw image data of frame raw image data, and be stored in the second image memory element；First detecting element Detect whether to receive all pixels point of the first row raw image data；If it is not, then sending a signal to image receiving element, scheme As receiving element continues to；It repeats the above process, until completing whole N rows original image numbers of k-th frame raw image data According to reception.

Computing element is mutually electrically connected with image receiving element, image memory element, to k-th frame raw image data into row interpolation It calculates, a line interpolated data row is inserted between adjacent rows raw image data, that is to say in -1 row original graph of jth As being inserted into -1 row interpolation data row of jth between data and jth row raw image data；Also, in computing element into row interpolation meter While calculation, image receiving element, which starts to perform, receives next frame raw image data, that is, K is made to increase by 1；At this point, it calculates Element can also control image to receive when starting interpolation calculation by way of sending signal to image receiving element Element carries out the reception of next frame raw image data.Here, it is equal per row interpolation data row in k-th frame raw image data With the alternate setting in the vertical direction of every row raw image data, each row per row interpolation data row with often row original image The each of data is listed in same row.Since every frame raw image data is 720 rows and 1280 row, by interpolation calculation, often Frame raw image data all obtains the row image interpolation data of 720 rows × 1280 so that the every frame new image data finally obtained Line number is doubled as 1440 rows, and the pixel value on vertical direction doubles.

First image memory element is mutually electrically connected with computing element, digital independent element, and the first image memory element is by k-th frame Raw image data and its interpolated data row preserve, so as to form k-th frame new image data；In the first image memory element While preserving k-th frame new image data, computing element starts to perform next step interpolation calculation, next step interpolation calculation here Can be the calculating of next line k-th frame image interpolation data, such as the calculating of -1 row interpolation data row of above-mentioned alleged jth, specifically The description of subsequent step 02 is referred to, which is not described herein again.In addition, the first image memory element is preserving k-th frame new images While data, computing element can be sent a signal to computing element to be controlled to start to perform next step interpolation calculation：Specifically, For example, the first image memory element, while k-th frame new image data is preserved, the first image memory element makes j be sent out after being incremented by 1 The number of delivering letters gives computing element, and computing element starts to perform next step interpolation calculation, and next step interpolation calculation here can refer to Computing element starts to perform the calculating to next line k-th frame image interpolation data.

Here, the first image memory element has first area and second area, while the first image memory element also has There is judgment component.Judgment component judges K for odd number or even number, and when K is odd number, k-th frame new image data is stored in first K-th frame new image data when K is even number, is stored in second area, first area and second area are not overlapped by region.The The memory of DDR types may be employed in one image memory element.

Here, on the interpolation calculation of computing element and the first image memory element, the first digital independent element and second The specific matching relationship of digital independent element can be as follows：

Computing element reads the 1st row raw image data of k-th frame raw image data；If j be since 2 to N just Integer, computing element also read the jth row raw image data of k-th frame raw image data；Here, from the first row and the second row Raw image data starts to read；Wherein, K is the positive integer from 1 to M, and M is the totalframes of image data.

Computing element to -1 row raw image data of jth of k-th frame raw image data and jth row raw image data into Row image interpolation calculates, and -1 row interpolation number of jth is inserted between -1 row raw image data of jth and jth row raw image data According to row.Since every frame raw image data is that 720 rows and 1280 arrange, by interpolation calculation, every frame raw image data is all Obtain the row image interpolation data of 720 rows × 1280, each row of the row image interpolation data of this 720 row × 1280 are and original image The each of data is classified as same row, per a line with the alternate setting in the vertical direction of every a line of raw image data, thus It is arranged so that the line number of the every frame new image data finally obtained doubles for 2560, the pixel value on vertical direction increases by one Times.

In the present embodiment, it can also judge whether the calculating of -1 row interpolation data row of jth is completed using control element；Such as Fruit is no, then sends a signal to computing element and continue current line interpolation calculation；If it is, by k-th frame raw image data - 1 row raw image data of jth be saved in the first image memory element, such as be saved in DDR, while judgment component judges K For odd number or even number, when K is odd number, jth row raw image data is stored in first area, when K is even number, by jth- 1 row raw image data is stored in second area.Here, the first image memory element can also under the control of control element into Row image stores, specifically, control element can send signal to the first image memory element, the first image memory element receives The signal sent to recognition component preserves the jth row raw image data of k-th frame raw image data.

After -1 row raw image data of jth of k-th frame raw image data preserves, control element judges whether to the - 1 row raw image data of the jth preservation of K frame raw image datas finishes；If above-mentioned judging result is no, continue to preserve - 1 row raw image data of jth of k-th frame raw image data, the first image memory element can also be in control element here Control is lower to be carried out, for example, control element sends signal to the first image memory element, the first memory element continues after sending signal Current line raw image data is preserved.If above-mentioned judging result is yes, start to preserve -1 row interpolation data of jth Row can also be sent by control element and determine that signal starts to protect to first image memory element the first image memory element - 1 row interpolation data row of jth is deposited, -1 row interpolation data row of jth can be saved in here in DDR, and judgment component can be utilized K is judged for odd number or even number, and when K is odd number, -1 row interpolation data row of jth is stored in the firstth area by the first image memory element Domain, when K is even number, -1 row interpolation data row of jth is stored in second area by the first image memory element.

In addition, after -1 row interpolation data of jth are saved, control element is further determined whether to -1 row interpolation data of jth Preservation finishes；If it is, continue the calculating of next line interpolated data row；If it is not, then control element controls the first figure As the preservation of memory element progress current interpolation data row, for example, control element is by sending a signal to computing element, control meter It calculates element and continues the calculating of -1 row interpolation data row of jth or after -1 row interpolation data row of jth calculates, control member Part controls the preservation of the first image memory element progress -1 row interpolation data row of jth.Specifically, can also using judgment component come K is judged for odd number or even number, and when K is odd number, -1 row interpolation data row of jth is stored in the firstth area by the first image memory element Domain, when K is even number, -1 row interpolation data row of jth is stored in second area by the first image memory element.

In addition, in the present embodiment, computing element also sets up Nth row interpolated data row, makes the data of Nth row interpolated data row Equal to Nth row raw image data, so as to complete the interpolation calculation to k-th frame raw image data, to obtain 2*N row new images Data.New image data is made of N rows raw image data and N row interpolation data rows.It should be noted that in the present embodiment Computing element establishes Nth row interpolated data row, and in other embodiments of the present invention, computing element can not establish Nth row deletion Nth row raw image data, to obtain (2*N-1) row new image data.It should be noted that due to exporting picture number in practice According to line number it is very more, the influence of the deletions of 1 row data to entire image can be ignored substantially.Namely in the present embodiment, recognize For N-1 is similar to N, and 2N-1 is similar to 2N.

It should also be noted that, as N=1, this raw image data can directly be carried out to the duplication on line direction With the duplication on column direction, then, as N=1, be not particularly suited for practical application.

In the present embodiment, first micro- projection module and second micro- projection module are read in new image data transverse direction respectively simultaneously Different parts, and the corresponding projected image of new image data of each part, each portion are for example projected at projection interface The corresponding projected image of new image data divided is spliced into target projection image in image.Here, in first micro- projection module It is provided with the first digital independent element and the first projection element；Second it is micro- projection module in be provided with the second digital independent element and Second projection element.

Here, the first digital independent element is mutually electrically connected with the first image memory element, and the first digital independent element reads K The preceding N rows new image data of frame new image data, and it is sent to the first projection element；First projection element reads the first data The preceding N rows new image data that element is sent is taken to project first micro- projected light beam into the first projection switching part, through first After projection switching part carries out difference precorrection, launch the micro- projected light beam of calibrated first.

Second digital independent element is mutually electrically connected with the second image memory element, and it is new that the second digital independent element reads k-th frame The rear N rows new image data of image data, and it is sent to the second projection element；Second projection element is first by the second digital independent The rear N rows new image data that part is sent projects second micro- projected light beam into the second projection switching part, through the second projection After switching part carries out difference precorrection, launch the micro- projected light beam of calibrated second；First micro- projected light beam forms target The upper half images of projected image, second micro- projected light beam form the lower half images of target projection image；In final projection Upper half images and lower half range image mosaic form entire target projection image on interface；Wherein, the first digital independent element pair The preceding N rows new image data of k-th frame new image data reading with the second digital independent element to k-th frame new image data after The reading of N row new image datas is carried out at the same time, and then the preceding N rows of the first digital independent element transmission k-th frame new image data are new The rear N rows new image data that image data sends k-th frame new image data with the second digital independent element is carried out at the same time so that on Half images and lower half images are incident upon simultaneously on projection interface.

The first digital independent element, the second digital independent element and the first image memory element in the present embodiment is mutually electric Even, the first digital independent element and the second digital independent element read a part of data of k-th frame new image data simultaneously.Specifically , reading and second digital independent element of the first digital independent element to the preceding N rows new image data of k-th frame new image data The reading of the rear N rows new image data of k-th frame new image data is carried out at the same time, then the first digital independent element sends K The rear N rows that the preceding N rows new image data of frame new image data sends k-th frame new image data with the second digital independent element are newly schemed As data are carried out at the same time so that upper half images and lower half images are incident upon simultaneously on projection interface.It should be noted that The preceding N rows new image data of reading and rear N rows new image data and while project these data, computing element are performing pair K+2 frames raw image data carries out the process of interpolation calculation, and the first image memory element is being performed to K+1 frame new images numbers According to preservation, at the same time, image receiving element carry out K+3 frame raw image datas receive process.On computing element Interpolation calculation process, the preservation process of the first image memory element and the receive process of image receiving element and its between pass System may be referred to foregoing description, and which is not described herein again.

In addition, being additionally provided with the first clock in the present embodiment in the first projection module, also set up in the second projection module There is second clock；The frequency of N row new image datas before first the first digital independent of clock control element is sent；Second clock controls The frequency of N row new image datas after second digital independent element is sent.In the present embodiment, set by the first clock and second clock Frequency is identical.Preferably, the image data that the first data-reading unit and the second data-reading unit are read be for 720 rows and 1280 row pixels, then the frequency of corresponding first clock and the frequency of second clock all can be 74.25MHz.

In addition, after jth row interpolation data row preserves, control element can also determine whether to have preserved k-th frame original Whole N row interpolations data rows of image data；If it is, the first digital independent element of control and the second digital independent element are opened Begin to read data, such as start to read k-th frame new image data.If it is not, then continue the preservation of jth row interpolation data row, this When K can also be judged by judgment component for odd number or even number, when K is odd number, the first image memory element is by jth row k-th frame Raw image data is stored in first area, and jth row interpolation data row is stored in first area, when K is even number, the first figure As jth row k-th frame raw image data is stored in second area by memory element, jth row interpolation data row is stored in second Region.

It should be noted that the first digital independent element and the second digital independent element are reading k-th frame new image data While, computing element is still performing interpolation calculation work, and the first image memory element is also carrying out the storage work of data, Image receiving element is carrying out image reception work.Specifically, read the same of k-th frame new image data in digital independent element When, here for the ease of statement, K is thought for the time being for fixed value, and the first image memory element is in storage K+1 frame new image datas Preservation, computing element calculate K+2 frame raw image datas interpolated data, image receiving element receive K+3 frames Raw image data.For example, while digital independent element reads the 1st frame new image data, the first image memory element exists The preservation of the 2nd frame new image data is stored, computing element is calculating the interpolated data of the 3rd frame raw image data, image reception Element is receiving the 4th frame raw image data.

In addition, on can also be by instructing come real between the first image memory element, computing element, image receiving element It is existing, can specifically it include：For the ease of statement, K is temporarily set as fixed value, and the first digital independent element and/or the second data are read Element is taken K can be made to send a signal to the first image memory element after being incremented by 1, made after k-th frame new image data is read First image memory element starts to perform the preservation of K+1 frame new image datas；Also, the first image memory element start into During the preservation of row K+1 frame new image datas, the first image memory element can send a signal to meter after K+1 is made to be incremented by 1 again Calculate element, computing element start read image receiving element in K+2 frame raw image datas go forward side by side row interpolation calculating；And And in the K+2 frame raw image datas during computing element starts reading image receiving element, computing element can make K+ 2 again be incremented by 1 after send a signal to image receiving element, image receiving element proceeds by connecing for K+3 frame raw image datas It receives.For example, the first digital independent element and/or the second digital independent element can make K be incremented by 1 (K is 1 at this time) sends signal afterwards To the first image memory element, the first image memory element is made to start to perform the preservation of the 2nd frame new image data；Also, When one image memory element proceeds by the preservation of the 2nd frame new image data, the first image memory element can make K be incremented by 1 again That is computing element is sent a signal to after K=3, computing element starts to read the 3rd frame raw image data in image receiving element Row interpolation of going forward side by side calculates；Moreover, in the 3rd frame raw image data during computing element starts reading image receiving element, meter Calculating element can make K send a signal to image receiving element after being incremented by 1 i.e. K=4 again, and image receiving element proceeds by the 4th frame The reception of raw image data, and so on, it completes the reception of the raw image data of all frames, calculate interpolated data and guarantor It deposits.Matched somebody with somebody as a result, using the first image memory element during sheet, computing element, image receiving element, digital independent element It closes, further improves logical operation efficiency, reduce power consumption.

In addition, the projecting method carried out in the present embodiment using above-mentioned projection arrangement, per frame raw image data still Using above-mentioned N row Y row raw image datas, referring to Fig. 5, may comprise steps of：

Step 01：Receive raw image data；

Specifically, receive k-th frame raw image data；Here, K is the positive integer since 1.When in progress original image Before the calculating of data, the stability of raw image data can be first judged, then start formally to receive target original image.It needs It should be noted that k-th frame raw image data mentioned here is the original graph received after detection image data stability As data.

Image data Detection of Stability can specifically be included before step 01：

Step 001：During waiting image source transmission data, whether real-time detection image source sends data；If so, Then perform step 002；If it is not, then continuing whether real-time detection image source sends data.

Step 002：Start to receive image data.

Step 003：The frame image data of frame number set by receiving is detected whether, so as to judge whether to capture stable image Source；If it is, perform step 01；If it is not, then perform step 001.Here, set frame number is two frames, by obtaining two Frame image data judges whether to obtain stable image data.Then the frame number of detection can be set in advance, be not limited to two Frame image data judges stability.

By above-mentioned detection, after determining to obtain stable image data, start formal receive process.

Start formal reception k-th frame raw image data, referring to Fig. 6, specifically including：

Step 011：Start the first row raw image data of reception k-th frame raw image data；

Step 012：Detect whether to receive all pixels point of the first row raw image data；If it is, perform step 013；If it is not, then perform step 011；Here, the number of all pixels point of the first row raw image data is 1280.

Step 013：The first row raw image data of k-th frame raw image data is preserved；

Step 014：Step 011~013 is repeated, carries out the second row k-th frame raw image data until Nth row k-th frame is former The preservation of beginning image data, so as to which k-th frame raw image data all be preserved.

Next image procossing is proceeded by.

Specifically, carrying out interpolation calculation to k-th frame raw image data, the N row interpolations of k-th frame raw image data are obtained Data row, and N row interpolation data rows and k-th frame raw image data are saved as into k-th frame new image data；Meanwhile pass K Increase 1, and perform a step 01.

Here, in the present embodiment, since every frame raw image data is 720 rows, it is former per frame by interpolation calculation Beginning image data all obtains 720 row image interpolation data, so that the line number of the every frame new image data finally obtained increases One times is 1440 rows.It should be noted that N row interpolation data rows and the alternate setting in the vertical direction of N rows raw image data, Each row of N row interpolation data rows are located at each row of original image interpolated data in same row；And by with underthrust Value calculating process can also obtain this distributing order；During following interpolation calculation, by the original image of neighbouring two row Data obtain a line interpolated data and are inserted between the raw image data of this neighbouring two row into row interpolation, and so on.

Referring to Fig. 7, this step 02 specifically may include steps of：

Step 021：Take the 1st row raw image data of k-th frame raw image data；

Step 027：Preserve -1 row k-th frame interpolated data row of jth；

In the present embodiment, after step 029 and before step 03, further include：Nth row interpolated data row is established, is made The data of Nth row interpolated data row are equal to Nth row raw image data, so as to complete the interpolation to k-th frame raw image data It calculates, to obtain 2*N row new image datas.

Furthermore, it is necessary to illustrate, for Nth row interpolated data row is established after step 02 in the present embodiment, in this hair In bright other embodiments, it can also include between step 02 and step 03：Nth row raw image data is deleted, to obtain (2*N- 1) row new image data.It should be noted that since the line number for exporting image data in practice is very more, the deletion of 1 row data Influence to entire image can be ignored substantially.It should be noted that N rows described in the present invention also include N-1 rows certainly, this It is since the number of N is very big, N is typically larger than 100, N-1 and is similar to N, and 2N-1 is similar to 2N.

In addition, in this step 02, the new image data of different frame is saved in different zones, in the present embodiment, rear In first image memory element of the continuous image processor that will be introduced, two regions can be set to include first area and second K-th frame new image data when K is odd number, is stored in first area DDR1 by region, and when K is even number, k-th frame is newly schemed As data are stored in second area DDR2, first area and second area are not overlapped, so as to further coordinate interpolation calculation process, The storage logical process efficiency for coming to improve to new image data is read, reduces power consumption.

In the present embodiment, it can also include between step 02 and step 03：Judge whether to have preserved k-th frame original image Whole interpolated data rows of data；If it is, perform step 03；If it is not, then perform step 028.

Step 03：The longitudinal different piece of new image data is read simultaneously and respectively, then, longitudinally projects each portion The projected light beam divided；

Specifically, new image data is divided into two parts in the longitudinal direction, the preceding N rows for reading k-th frame new image data are newly schemed As data projection goes out first micro- projected light beam, the rear N rows new image data of reading k-th frame new image data projects second micro- throwing Shadow light beam.

Step 04：Difference precorrection is carried out to the projected light beam of each part so that the projected light beam per part is in longitudinal direction On be spliced into target projection image.

Specifically, first micro- projected light beam forms the upper half images of target projection image, second micro- projected light beam is formed The lower half images of target projection image, half images and lower half range image mosaic form entire mesh on final projection interface Mark projected image.Also, the reading and transmission of the first digital independent element and the reading and transmission of the second digital independent element are same Shi Jinhang so that upper half images and lower half images are incident upon simultaneously on projection interface.Before reading N rows new image data and N rows new image data and while project these data afterwards, makes K be incremented by 1, performs a step 02；K be from 1 to M just Integer, M are the totalframes of image data.It should be noted that read k-th frame new image data preceding N rows new image data and N rows new image data is carried out at the same time afterwards, and then, it is simultaneously to project preceding N rows new image data and rear N rows new image data It carries out.

Here, can also include：Setting projects the frequency of preceding N rows new image data and rear N rows new image data, then, Preceding N rows new image data and rear N rows new image data are projected according to set frequency.In the present embodiment, preferably, first The image data that data-reading unit and the second data-reading unit are read is to arrange a pixels for 720 rows and 1280, then accordingly The first clock frequency and second clock frequency all can be 74.25MHz, so as to distinguishing according to the frequency of 74.25MHz The preceding N rows new image data of projection and rear N rows new image data.

Difference precorrection is carried out to first micro- projected light beam to be included：After receiving first micro- projected light beam, according to the first projection The position of transfer lens, the position of reflection component calculate the first lenticule light beam and come out and reach from the first projection transfer lens The first path of reflection component；Then, first by the first projection transfer lens is adjusted according to obtained first path The light path of micro- projected light beam so that the first lenticule light beam come out from the first projection transfer lens reaches reflection component；Simultaneously Difference precorrection is carried out to second micro- projected light beam to be included：After receiving second micro- projected light beam, according to the second projection transfer lens Position, the position of reflection component, calculate the second lenticule light beam and come out from the second projection transfer lens and reach reflection component First path；Then, second micro- projected light by the second projection transfer lens is adjusted according to obtained first path The light path of beam so that the first lenticule light beam come out from the first projection transfer lens reaches reflection component, turns from the second projection It connects to be formed when the second lenticule light beam that camera lens comes out reaches reflection component and splices complete projected image.As shown in figure 3, this mistake It is, having been corrected when micro- projected light beam reaches reflection component 03, the projected image on reflection component 03 is journey There is no piece, the projected image without difference.

Certainly, in other embodiments of the invention, reflection component is received turns from the first projection switching part, the second projection Relay part come out it is calibrated after first micro- projected light beam, second micro- projected light beam, and reflect expansion after projection splice Go out final target projection image, it is, being not just to complete to correct when reaching reflection component 03, but boundary is projected reaching Correction is completed during face 04, correction at this time will consider the first projection switching part, the second projection switching part 02 and reflection component 03 relative position relation.Here, after receiving first micro- projected light beam, according to the position of the first projection transfer lens, reflecting part The position of part calculates the first lenticule light beam and is come out from the first projection transfer lens and reach the first path of reflection component, and And the second path for reaching after reflection component reflection and being not fixed projection interface is calculated in real time；Then, according to obtained second Path adjusts first path, and the first micro- projected light beam by the first projection transfer lens is adjusted further according to first path Light path.Also, after receiving second micro- projected light beam, according to the position of the second projection transfer lens, the position of reflection component, calculate Second lenticule light beam comes out from the second projection transfer lens and reaches the first path of reflection component, and is calculated in real time from anti- Reach the second path for being not fixed projection interface after penetrating component reflection；Then, described in being adjusted according to obtained second path First path adjusts the light path of second micro- projected light beam by the second projection transfer lens further according to first path so that The the first lenticule light beam come out from the first projection transfer lens reaches reflection component, come out from the second projection transfer lens the Two lenticule light beams are formed when reaching reflection component splices complete projected image, eliminates projected image piece and difference, obtains Projected image without observation image quality defect.

In addition, the present embodiment additionally provides a kind of computer readable storage medium, the computer-readable recording medium storage There is computer instruction, which realizes each step of the above-mentioned projecting method of the present embodiment when being executed by processor.

In conclusion the present invention is combined using two projection modules and image processor, increased using image processor The line number of big raw image data, and the different piece that two projection modules read new image data transverse direction respectively is used cooperatively, Longitudinal direction projects the projected image of the new image data of each part simultaneously, and for micro- projected light of micro- projection module projection Shu Liyong projection switching parts carry out difference precorrection, and the projected image finally projected splices complete, regular shape, without observation Image quality defect, and projected image resolution ratio is improved.So that the projected image per part is longitudinal spliced into target projection figure Picture, the image pixel of final output have longitudinally increased one times, and brightness adds one times, and image area also adds one in transverse direction Times, and improve from image processing process to the logic speed in projection projection process, energy consumption is reduced, therefore the present invention is special Not suitable for big picture miniature image output equipment, such as miniature laser projector equipment.

Although the present invention is disclosed as above with preferred embodiment, the right embodiment illustrate only for the purposes of explanation and , the present invention is not limited to, if those skilled in the art can make without departing from the spirit and scope of the present invention Dry changes and retouches, and the protection domain that the present invention is advocated should be subject to described in claims.

Claims

1. a kind of optical projection system, which is characterized in that including：One image processor, first micro- projection module and second micro- projective module Group and projection switching part；

Image processor is connected respectively with first micro- projection module, second micro- projection module, and image processor receives and processing is former Beginning image data, obtains new image data, and the line number of new image data is more than the line number of raw image data；

First micro- projection module and second micro- projection module while an and part for reading new image data, and projecting respectively Micro- projected light beam of micro- projected image comprising each part；

First projection switching part is oppositely arranged with first micro- projection module, for receive that first micro- projection module is sent the One micro- projected light beam, and difference precorrection is carried out to first micro- projected light beam；

Second projection switching part is oppositely arranged with second micro- projection module, for receive that second micro- projection module is sent the Two micro- projected light beams, and difference precorrection is carried out to second micro- projected light beam, so that the micro- projected light of first after calibrated Beam and second micro- projected light beam are spliced into target projection image.

2. optical projection system according to claim 1, which is characterized in that the optical projection system also has reflection component, described Reflection component receive from first projection switching part, second projection switching part come out it is calibrated after first micro- projected light Beam, second micro- projected light beam, and reflected expansion after projection be spliced into final target projection image；Wherein, reach described Reflection component it is described it is calibrated after first micro- projected light beam, second micro- projected light beam be spliced into complete projected image, then Final target projection image after being expanded after reflection component amplifies.

3. optical projection system according to claim 1, which is characterized in that the optical projection system also has reflection component, described Reflection component receive from first projection switching part, second projection switching part come out it is calibrated after first micro- projected light Beam, second micro- projected light beam, and reflected expansion after projection be spliced into final target projection image.

4. the optical projection system according to Claims 2 or 3, which is characterized in that the first projection switching part includes first Project transfer lens and the first difference precorrection element；Wherein, the first projection transfer lens receive first micro- projection After light beam, the first difference precorrection element is according to the position of the described first projection transfer lens, the position of the reflection component It puts, calculates the first lenticule light beam and come out from the described first projection transfer lens and reach the first via of the reflection component Footpath；Then, the first difference precorrection element is adjusted according to obtained first path by the described first projection transfer lens First micro- projected light beam light path so that the first lenticule light beam come out from the described first projection transfer lens reaches described Reflection component；

The second projection switching part includes the second projection transfer lens and the second difference precorrection element；Wherein, described After two projection transfer lens receive second micro- projected light beam, the second difference precorrection element is according to the described second projection The position of transfer lens, the position of the reflection component calculate the second lenticule light beam from the described second projection switching mirror Head comes out and reaches the first path of the reflection component；Then, the second difference precorrection element is according to the obtained first via Footpath come adjust by described second projection transfer lens second micro- projected light beam light path so that from described first projection switching The first lenticule light beam that camera lens comes out reaches the reflection component, it is second micro- to be come out from the described second projection transfer lens Mirror light beam is formed when reaching the reflection component splices complete projected image, eliminates the piece and difference of projected image.

5. the optical projection system according to Claims 2 or 3, which is characterized in that the first projection switching part includes first Project transfer lens and the first difference precorrection element；Wherein, the first projection transfer lens receive first micro- projection After light beam, the first difference precorrection element is according to the position of the described first projection transfer lens, the position of the reflection component It puts, calculates the first lenticule light beam and come out from the described first projection transfer lens and reach the first via of the reflection component Footpath, and the second path for reaching after reflection component reflection and being not fixed projection interface is calculated in real time；Then, the first difference Precorrection element adjusts the first path according to obtained second path, and process is adjusted further according to the first path The light path of first micro- projected light beam of the first projection transfer lens,；

The second projection switching part includes the second projection transfer lens and the second difference precorrection element；Wherein, described After two projection transfer lens receive second micro- projected light beam, the second difference precorrection element is according to the described second projection The position of transfer lens, the position of the reflection component calculate the second lenticule light beam from the described second projection switching mirror Head comes out and reaches the first path of the reflection component, and calculates to reach after reflection component reflection in real time and be not fixed Project second path at interface；Then, the second difference precorrection element adjusts described first according to obtained second path Path adjusts the light path of second micro- projected light beam by the described second projection transfer lens further according to the first path, So that the first lenticule light beam come out from the described first projection transfer lens reaches the reflection component, is projected from described second The second lenticule light beam that transfer lens come out is formed when reaching the reflection component splices complete projected image, eliminates projection Image piece and difference.

6. the optical projection system according to Claims 2 or 3, which is characterized in that the first projection switching part and described the Two projection switching parts are generally aligned in the same plane and arranged in arrays.

7. optical projection system according to claim 1, which is characterized in that the first projection switching part or second throwing Shadow switching part includes the different optics of three pieces or more and turns back the combination of eyeglass；The minute surface of each eyeglass is spherical surface, aspheric Face or free form surface.

8. optical projection system according to claim 1, which is characterized in that the reflection component is with light of turning back at least once The reflection component on road.

9. optical projection system according to claim 8, which is characterized in that the reflection component is plane mirror, convex surface is anti- Penetrate mirror, concave mirror, free-form surface mirror, reflecting prism, one of reflecting prism or wherein of turning back with free form surface At least combination.

10. optical projection system according to claim 1, which is characterized in that described image processor includes：Image receives member Part, computing element and the first image memory element；Wherein,

Image receiving element is mutually electrically connected with computing element, and image receiving element receives k-th frame raw image data；Wherein, per frame Raw image data is made of N row raw image datas, and N is positive integer；

Computing element is mutually electrically connected with image receiving element, image memory element, computing element to k-th frame raw image data into Row interpolation calculates, and a line interpolated data row is inserted between adjacent rows raw image data；In computing element into row interpolation meter While calculation, image receiving element, which starts to perform, receives next frame raw image data；

First image memory element is mutually electrically connected with computing element, digital independent element, and the first image memory element is by interpolated data Row is preserved with k-th frame raw image data, so as to form k-th frame new image data；It is preserved in the first image memory element While k-th frame new graph data, computing element starts to perform next step interpolation calculation；Wherein, K is positive integer from 1 to M, M For the totalframes of image data.

11. optical projection system according to claim 10, which is characterized in that be provided with the first data in first micro- projection module Reading element and the first projection element；The second digital independent element and the second projection element are provided in second micro- projection module； Wherein,

First digital independent element is mutually electrically connected with the first image memory element, and the first digital independent element reads k-th frame new images The preceding N rows new image data of data, and it is sent to the first projection element；

First projection element, the preceding N rows new image data that the first digital independent element is sent project first micro- projected light Beam after the first projection switching part carries out difference precorrection, launches calibrated first into the first projection switching part Micro- projected light beam；

Second digital independent element is mutually electrically connected with the second image memory element, and the second digital independent element reads k-th frame new images The rear N rows new image data of data, and it is sent to the second projection element；

Second projection element, the rear N rows new image data that the second digital independent element is sent project second micro- projected light Beam after the second projection switching part carries out difference precorrection, launches calibrated second into the second projection switching part Micro- projected light beam；First micro- projected light beam forms the upper half images of target projection image, and second micro- projected light beam forms target The lower half images of projected image；Half images and lower half range image mosaic form entire target on final projection interface Projected image；Wherein, reading and second of the first digital independent element to the preceding N rows new image data of k-th frame new image data Digital independent element is carried out at the same time the reading of the rear N rows new image data of k-th frame new image data, then the first digital independent Element sends the preceding N rows new image data of k-th frame new image data and the second digital independent element sends k-th frame new image data Rear N rows new image data be carried out at the same time so that upper half images and lower half images are incident upon simultaneously on projection interface.

12. optical projection system according to claim 11, which is characterized in that be additionally provided with the in first micro- projection module One clock, the described second micro- project in module are additionally provided with second clock；First digital independent described in first clock control Element sends the frequency of the preceding N rows new image data；The second clock controls the second digital independent element to send institute State the frequency of rear N rows new image data.

13. optical projection system according to claim 10, which is characterized in that described image processor further includes image source member Part, the first detecting element and the second image memory element；Image source element sends k-th frame original image number to image receiving element According to the first row raw image data；Image receiving element receives the first row raw image data of k-th frame raw image data, And it is stored in the second image memory element；First detecting element detects whether to receive all of the first row raw image data Pixel；If it is not, then sending a signal to image receiving element, image receiving element continues to；It repeats the above process, until Complete the reception of whole N rows raw image datas of k-th frame raw image data.

14. optical projection system according to claim 10, which is characterized in that described image processor further includes control element； Wherein,

Computing element reads the 1st row raw image data of k-th frame raw image data；If j is to the positive integer of N since 2, Computing element also reads the jth row raw image data of k-th frame raw image data；

Computing element carries out figure to -1 row raw image data of jth and jth row raw image data of k-th frame raw image data As interpolation calculation, -1 row interpolation data row of jth is inserted between -1 row raw image data of jth and jth row raw image data；

Control element judges whether the calculating of -1 row interpolation data row of jth is completed；If it is, the first image memory element is protected Deposit -1 row raw image data of jth of k-th frame raw image data；Continue if it is not, then sending a signal to computing element The calculating of -1 row interpolation data row of jth；

Control element judges whether that -1 row raw image data of the jth preservation to k-th frame raw image data finishes；If so, It then sends and determines that signal controls the first image memory element to preserve -1 row interpolation data row of jth to the first image memory element；Such as Fruit is no, then continues to preserve -1 row raw image data of jth of k-th frame raw image data；

Then, control element further determines whether to finish the preservation of jth row interpolation data row；If it is, continue next line The calculating of k-th frame interpolated data row；If it is not, then control element controls the first image memory element to carry out -1 row interpolation number of jth According to capable preservation.

15. optical projection system according to claim 14, which is characterized in that the computing element also sets up Nth row interpolation number According to row, the data of Nth row interpolated data row is made to be equal to Nth row raw image data, so as to complete to k-th frame raw image data Interpolation calculation, to obtain 2*N row new image datas.

16. optical projection system according to claim 14, which is characterized in that the control element further determines whether to have preserved Whole interpolated data rows of K frame raw image datas；If it is, the first digital independent element of control and the second digital independent member Part starts to read data.

17. optical projection system according to claim 10, which is characterized in that described image processor further includes the second detection member Part, the second detecting element are detected image data stability.

18. optical projection system according to claim 17, which is characterized in that the second detecting element to image data stability into Row detection specifically includes：During an image source is waited to send data, detect whether described image source sends data in real time； If it is, sending a signal to image receiving element, image receiving element is made to start to receive image data；Then the second detection member Part detects whether to receive continuous two field pictures data, if it is, illustrating to capture stable image source, and sends a signal to meter Element is calculated, computing element is made to start to carry out interpolation calculation to the k-th frame raw image data that image receiving element receives.

19. a kind of image projecting method that optical projection system using described in Claims 2 or 3 carries out, which is characterized in that including：

Step 01：Receive raw image data；

Step 02：Raw image data is handled, obtains new image data so that the line number of new image data is more than original image number According to line number；

Step 03：The longitudinal different piece of new image data is read simultaneously and respectively, and it is right longitudinally to project each part The projected light beam answered；

Step 04：Difference precorrection is carried out to the projected light beam of each part so that the projected light beam per part is spelled in the horizontal It is connected into target projection image.

20. image projecting method according to claim 19, which is characterized in that former by N rows per frame raw image data Beginning image data forms, and N is positive integer；

The step 01 specifically includes：Receive k-th frame raw image data；

The step 02 specifically includes：Interpolation calculation is carried out to k-th frame raw image data, obtains k-th frame raw image data N row interpolation data rows, and N row interpolation data rows and k-th frame raw image data are saved as into k-th frame new image data； Meanwhile K is made to be incremented by 1, and perform a step 01；

The step 03 specifically includes：Read the preceding N rows new image data of k-th frame new image data and rear N rows new images simultaneously Data, and at the same time projecting first micro- projected light beam of preceding N rows new image data and rear N rows new image data in the longitudinal direction Second micro- projected light beam.

21. image projecting method according to claim 20, which is characterized in that in the step 04, to first micro- projection Light beam, which carries out difference precorrection, to be included：After receiving first micro- projected light beam, according to the position of the first projection transfer lens, reflecting part The position of part calculates the first lenticule light beam and is come out from the first projection transfer lens and reach the first path of reflection component；So Afterwards, the light path of first micro- projected light beam by the first projection transfer lens is adjusted according to obtained first path so that The the first lenticule light beam come out from the first projection transfer lens reaches reflection component；Phase is carried out to second micro- projected light beam simultaneously Poor precorrection includes：After receiving second micro- projected light beam, according to the second projection position of transfer lens, the position of reflection component, The second lenticule light beam is calculated to come out from the second projection transfer lens and reach the first path of reflection component；Then, according to institute Obtained first path come adjust by second projection transfer lens second micro- projected light beam light path so that from first projection The first lenticule light beam that transfer lens come out reaches reflection component, the second lenticule light come out from the second projection transfer lens Beam is formed when reaching reflection component splices complete projected image.

22. image projecting method according to claim 20, which is characterized in that in the step 03, further include：Setting is thrown The frequency of preceding N rows new image data and rear N rows new image data is penetrated, then, N rows are newly schemed before being projected according to set frequency As data and rear N rows new image data.

23. image projecting method according to claim 20, which is characterized in that in the step 01, it is original to receive k-th frame Image data specifically includes：

Step 012：Detect whether to receive all pixels point of the i-th row raw image data；If it is, perform step 013；Such as Fruit is no, then performs step 011；Step 013：I-th row raw image data of k-th frame raw image data is preserved；

Step 014：Then, i is made to be incremented by 1, performs step 011~013, until completing the guarantor of N row k-th frame raw image datas It deposits, so as to which k-th frame raw image data all be preserved；The positive integer of i=1 to N；N is the row of k-th frame raw image data Number.

24. image projecting method according to claim 20, which is characterized in that the step 02 specifically includes：Step 021：Take the 1st row raw image data of k-th frame raw image data；

Step 022：If j is to the positive integer of N since 2, the jth row that computing element also reads k-th frame raw image data is former Beginning image data；

Step 023：Figure is carried out to -1 row raw image data of jth and jth row raw image data of k-th frame raw image data As interpolation calculation, -1 row interpolation data row of jth is inserted between -1 row raw image data of jth and jth row raw image data；

Step 024：Judge whether the calculating of -1 row interpolation data row of jth is completed；If it is, perform step 025；If not, Then perform step 024；

Step 026：Judge whether that -1 row raw image data of the jth preservation to k-th frame raw image data finishes；If so, Then perform step 027；If it is not, then perform step 025；

Step 027：Preserve -1 row k-th frame interpolated data row of jth；

Step 028：Judge whether to finish the preservation of -1 row interpolation data row of jth；If it is, perform step 029；If not, Then perform step 027；

Step 029：J is made to be incremented by 1, repeats step 022~028, k-th frame raw image data and its all interpolated data rows are protected It leaves to form k-th frame new image data.

25. image projecting method according to claim 24, which is characterized in that the step 022 specifically includes：In step After 029 and before step 03, further include：Nth row interpolated data row is established, is equal to the data of Nth row interpolated data row Nth row raw image data, so as to complete the interpolation calculation to k-th frame raw image data, to obtain 2*N row new images numbers According to.

26. image projecting method according to claim 19, which is characterized in that further included before step 01：To image Data stability detects.

27. image projecting method according to claim 26, which is characterized in that specifically wrapped to image data Detection of Stability It includes：

Step 001：During waiting image source transmission data, whether real-time detection image source sends data；If it is, it holds Row step 002；

Step 002：Start to receive image data；

Step 003：It detects whether to receive two field pictures data, so as to judge whether to capture stable image source；If it is, it performs Step 01；If it is not, then perform step 001.

28. a kind of computer readable storage medium, the computer-readable recording medium storage has computer instruction, and feature exists In when the computer instruction is executed by processor the step of realization claim 19 described image projecting method.