CN205451193U - Image mapping converting means based on many camera lenses multisensor - Google Patents
Image mapping converting means based on many camera lenses multisensor Download PDFInfo
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- CN205451193U CN205451193U CN201620117524.3U CN201620117524U CN205451193U CN 205451193 U CN205451193 U CN 205451193U CN 201620117524 U CN201620117524 U CN 201620117524U CN 205451193 U CN205451193 U CN 205451193U
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Abstract
The utility model discloses an image mapping converting means based on many camera lenses multisensor, including the lens group, sensor module and image processing module, image processing module include data interface, projective transformation module and global control module again, the lens group includes at least one camera lens, it is the signal of telecommunication that sensor module is used for the light signal conversion who reflects the target object, data interface is used for giving the projective transformation module data transfer of at least one camera lens or becoming unified clock zone to the data of each camera lens, the projective transformation module is used for handling the data of at least one camera lens and sensor, the global control module is used for carrying out global control to each projective transformation module and handles. The utility model discloses the image mapping transformation includes the mapping of image transformation and image, simplifies the complexity of transform and mapping, reduces the operand, has improved ageingly, has reduced the consumption, many camera lenses mapping transformation simultaneous processing supports a plurality of imaging Unit data multiplexs to handle.
Description
Technical field
This utility model image processing field, is specifically related to a kind of image based on many camera lenses multisensor and maps change method and apparatus.
Background technology
It is a figure can reacted link instruction or text box that image maps, and clicks the defined region of this figure or text box, can forward the target being linked with this region to.
The two-dimensional linear inverible transform that image conversion refers to represent image with orthogonal function or orthogonal matrix and made original image.Commonly referred to as original image is spatial domain image, and the image after conversion is referred to as Transformation Domain image, and Transformation Domain image contravariant can be changed to spatial domain image.Conversion used in image procossing is all the conversion that unitary transformation, i.e. transformation kernel meet orthogonality condition.Image after unitary transformation is often more beneficial for feature extraction, strengthens, compresses and picture coding.
In prior art, image mapping transformation there is also following deficiency: producing coordinate transforming relation by projective transformation matrix, directly utilize coordinate relation and image is carried out calculating process, operand is big, and operation time is long, and power consumption is big；Mapping position and the deformation of image have been limited by existing mapping transformation；Existing mapping transformation uses FPGA hardware mode to realize, the storage of mapping table takies substantial amounts of storage resource, carrying out input picture and output image buffer-stored and also take substantial amounts of storage resource, mass data is stored in bin and waits that meeting mapping relations just processes, and real-time is the highest；Storage resource usage amount is big, it is difficult to support that the data of multiple camera lens process simultaneously.Therefore image mapping transformation technology is developed further.
Utility model content
The utility model discloses a kind of image that simplifies to convert and the complexity of mapping, reduce operand, improve timeliness, reduce power consumption, support that the mapping transformation of many camera lenses processes simultaneously, support the image mapping transformation device based on many camera lenses multisensor that multiple image-generating unit data-reusing processes.
The technical solution of the utility model is: a kind of image mapping transformation device based on many camera lenses multisensor, including lens group, sensor assembly and image processing module, described image processing module includes again data-interface, projective transformation module and global control module；Wherein:
Described lens group includes that at least one camera lens, the position of each camera lens are that arbitrarily each camera lens at least has common footprint with a camera lens in other camera lenses；
Described sensor assembly is converted to the signal of telecommunication for the optical signal reflected by target object, and described sensor assembly includes multiple sensor；
Described data-interface is for sending projective transformation module to the data of single camera lens or the data mixing of at least two camera lens being simultaneously transferred to projective transformation module or the data of each camera lens are become unified clock zone；
Projective transformation module is for processing single camera lens and the data of sensor or processing the data of at least two camera lens and sensor simultaneously, and described projective transformation module is provided with multiple；
Global control module processes for each projective transformation module carries out overall situation control, controls the image mapping transformation of each projective transformation module, data buffering storage and data output respectively；
Multiple camera lenses connect one to one with the multiple sensors in sensor assembly, the signal of telecommunication after the most multiple sensors will convert is sequentially inputted in data-interface and projective transformation module, finally by described global control module, described projective transformation module carries out overall situation control.
Preferably, described projective transformation module includes that image conversion and image map, and first carries out image conversion process and carry out image mapping process the most again when described projective transformation module carries out image conversion process.
Preferably, the conversion of described image includes laterally converting with vertically transformed, and image maps and includes laterally mapping and longitudinally map；It is that the horizontal conversion process of image, horizontal mapping process, vertically transformed process and longitudinal mapping process successively that described projective transformation module carries out the order of image conversion process.
Preferably, carry out the horizontal conversion process of image, horizontal mapping process, vertically transformed process successively in described projective transformation module and longitudinally map in the middle of processing procedure, if need not process corresponding process, directly jumping into next step operation by bypass passage and processing.
Preferably, the conversion process that described image maps is followed successively by: row block conversion module, block write control module, memory module and block read control module, wherein view data is line by line after " conversion of row block " resume module, become data block pattern, by in " block writes control " module stores to memorizer, then by " block is read to control " module, data block is read out from memorizer, coordinate mapping transformation module, it is achieved the image of 360 ° maps.
Preferably, the conversion of described row block is for being divided into several rectangular blocks by whole image uniform；Described " block writes control " module and " block reading controls " module act on jointly, for the read-write order by controlling data block, thus realize the left and right mirror image of image, upper and lower mirror image, forward upset 90 °, reverse upset 90 °.
The beneficial effects of the utility model are:
(1) image mapping transformation includes that image conversion and image map, and image conversion and image map be divided into laterally mapping, longitudinally map, laterally conversion and vertically transformed, simplify conversion and the complexity mapped, reduce operand, improve ageing, decrease power consumption.
(2) do not limited by image mapping position and deformation, make each image-generating unit position in multiple lens construction arbitrarily put.
(3) mapping transformation of many camera lenses processes simultaneously, and camera lens number is many, supports that multiple image-generating unit data-reusing processes, and supports that the image of more camera lens processes simultaneously in the case of resource is certain.
Accompanying drawing explanation
Fig. 1 is a kind of image mapping transformation equipments overall structure block diagram based on many camera lenses multisensor of this utility model；
Fig. 2 is data processing architecture figure (processing the data of single camera lens and sensor) in projective transformation module (PT) in a kind of image mapping transformation device based on many camera lenses multisensor of this utility model；
Fig. 3 is data processing architecture figure (processing two camera lenses and the data of sensor) in projective transformation module (PT) in a kind of image mapping transformation device based on many camera lenses multisensor of this utility model；
Fig. 4 is data processing architecture figure in projective transformation module (PT) in a kind of image mapping transformation device based on many camera lenses multisensor of this utility model (processing two or more camera lens and the data of sensor)；
Fig. 5 is projective transformation module image processing process Organization Chart in a kind of image mapping transformation device based on many camera lenses multisensor of this utility model；
Fig. 6 is projective transformation module image processing process Organization Chart in a kind of image mapping transformation device based on many camera lenses multisensor of this utility model；
Fig. 7 is that in a kind of image mapping transformation device based on many camera lenses multisensor of the present invention, image maps change procedure figure；
Fig. 8 is " conversion of row block " functional diagram in a kind of image mapping transformation device based on many camera lenses multisensor of the present invention；
Fig. 9 is " block writes control " and " block is read to control " functional diagram in a kind of image mapping transformation device based on many camera lenses multisensor of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further
As shown in figs 1 to 6, a kind of image mapping transformation device based on many camera lenses multisensor, including camera lens (Lens) group, sensor (Sensor) module and image processing module, described image processing module includes again data-interface (intf.), projective transformation module (PT) and global control module (Globalcontrol)；Wherein:
Described lens group includes that at least one camera lens, the position of each camera lens are that arbitrarily each camera lens at least has common footprint with a camera lens in other camera lenses；
Described sensor assembly is converted to the signal of telecommunication for the optical signal reflected by target object, and described sensor assembly includes multiple sensor；
Described data-interface is for sending projective transformation module to the data of single camera lens or the data mixing of at least two camera lens being simultaneously transferred to projective transformation module or the data of each camera lens are become unified clock zone；
Projective transformation module is for processing single camera lens and the data of sensor or processing the data of at least two camera lens and sensor simultaneously, and projective transformation module is provided with multiple；
Global control module processes for each projective transformation module carries out overall situation control, controls the image mapping transformation of each projective transformation module, data buffering storage and data output respectively；
Multiple camera lenses connect one to one with the multiple sensors in sensor assembly, the signal of telecommunication after the most multiple sensors will convert is sequentially inputted in data-interface and projective transformation module, finally by described global control module, described projective transformation module carries out overall situation control.
Projective transformation module includes that image conversion and image map, and first carries out image conversion process and carry out image mapping process the most again when described projective transformation module carries out image conversion process.
Wherein, image conversion is that the shape to object each in image, size convert one by one, thus the shape size of object must be made to change；In image, each object can convert simultaneously, and transformation rule can be different；Image conversion includes again laterally converting with vertically transformed, and laterally conversion is that the shape to object each in image, size convert at transverse direction；Vertically transformed is that the shape to object each in image, size convert at longitudinal direction；Image conversion process be can include laterally converting with vertically transformed in one or all.After image converts, body form identical in the image of each camera lens and in the same size.
Image maps and refers to choose a certain referential, and image is mapped in this referential.Mapped by image and after image conversion, the object identical in the image of each camera lens position consistency in referential.Referential referred to herein can be: calculates each lens location and obtains a general character referential or directly select some camera lens as referential.Image maps and includes laterally mapping and longitudinally map；Laterally map and refer to the object of image to be mapped in the transverse direction in referential；Longitudinally map and refer to the object of image to be mapped in referential on longitudinal direction；It is the one in can including laterally mapping and longitudinally mapping or all that image mapping processes.After image maps, object identical in the image of each camera lens is in the position consistency of referential.
And the order that described projective transformation module carries out image conversion process to be the horizontal conversion process of image, horizontal mapping successively process, vertically transformed process and longitudinal mapping process.Carry out the horizontal conversion process of image, horizontal mapping process, vertically transformed process successively in described projective transformation module and longitudinally map in the middle of processing procedure, if need not process corresponding process, directly jumping into next step operation by bypass passage (bypass means straight-through, it is not necessary to carry out this transformed mappings process) and processing.
As shown in Figure 7, the conversion process that described image maps is followed successively by: row block conversion module, block write control module, memory module and block read control module, wherein view data is line by line after " conversion of row block " resume module, become data block pattern, by in " block writes control " module stores to memorizer, then by " block is read to control " module, data block is read out from memorizer, coordinate mapping transformation module, it is achieved the image of 360 ° maps.
As shown in Figure 8, described row block conversion module is for being divided into several rectangular blocks by whole image uniform, and image is divided into MxN data block, the size of each piece to be mxn.
As shown in Figure 9, " block writes control " module and " block is read to control " module act on jointly, for the read-write order by controlling data block, thus realize the left and right mirror image of image, upper and lower mirror image, forward upset 90 °, reverse upset 90 °, combination in any is converted again by these, thus realize the mapping transformation of image 360 °, mapping transformation the most at any angle.
This utility model passes through image mapping transformation, solve the diversity of the image of diverse location difference camera lens, this diversity includes the difference such as the characteristic of camera lens, lens shooting position, include the differences such as image resolution ratio, objects in images shape size position, image data rates be initial simultaneously, make many camera lenses multisensor to work simultaneously, shoot image there is identical characteristic.
The announcement of book and guidance according to the above description, above-mentioned embodiment can also be changed and revise by this utility model those skilled in the art.Therefore, this utility model is not limited to detailed description of the invention disclosed and described above, should also be as falling in scope of the claims of the present utility model to some modifications and changes of utility model.Although additionally, employ some specific terms in this specification, but these terms are merely for convenience of description, this utility model is not constituted any restriction.
Claims (6)
1. an image mapping transformation device based on many camera lenses multisensor, it is characterised in that include that lens group, sensor assembly and image processing module, described image processing module include again data-interface, projective transformation module and global control module；Wherein:
Described lens group includes that at least one camera lens, the position of each camera lens are that arbitrarily each camera lens at least has common footprint with a camera lens in other camera lenses；
Described sensor assembly is converted to the signal of telecommunication for the optical signal reflected by target object, and described sensor assembly includes at least one sensor；
Described data-interface is for sending projective transformation module to the data of single camera lens or the data mixing of at least two camera lens being simultaneously transferred to projective transformation module or the data of each camera lens are become unified clock zone；
Projective transformation module is for processing single camera lens and the data of sensor or processing the data of at least two camera lens and sensor simultaneously, and described projective transformation module is provided with multiple；
Global control module processes for each projective transformation module carries out overall situation control, controls the image mapping transformation of each projective transformation module, data buffering storage and data output respectively；
Multiple camera lenses connect one to one with the multiple sensors in sensor assembly, the signal of telecommunication after the most multiple sensors will convert is sequentially inputted in data-interface and projective transformation module, finally by described global control module, described projective transformation module carries out overall situation control.
A kind of image mapping transformation device based on many camera lenses multisensor, it is characterized in that, described projective transformation module includes that image conversion and image map, and first carries out image conversion process and carry out image mapping process the most again when described projective transformation module carries out image conversion process.
A kind of image mapping transformation device based on many camera lenses multisensor, it is characterised in that the conversion of described image includes laterally converting with vertically transformed, image maps and includes laterally mapping and longitudinally map；It is that the horizontal conversion process of image, horizontal mapping process, vertically transformed process and longitudinal mapping process successively that described projective transformation module carries out the order of image conversion process.
A kind of image mapping transformation device based on many camera lenses multisensor, it is characterized in that, carry out the horizontal conversion process of image, horizontal mapping process, vertically transformed process successively in described projective transformation module and longitudinally map in the middle of processing procedure, if need not process corresponding process, directly jumping into next step operation by bypass passage and processing.
A kind of image mapping transformation device based on many camera lenses multisensor, it is characterized in that, the process that described image maps also includes that row block conversion module, block write control module, memory module and block read control module, wherein view data is line by line after " conversion of row block " resume module, become data block pattern, by in " block writes control " module stores to memorizer, then by " block is read to control " module, data block is read out from memorizer, coordinate mapping transformation module, it is achieved the image of 360 ° maps.
A kind of image mapping transformation device based on many camera lenses multisensor, it is characterised in that described row block conversion module is for being divided into several rectangular blocks by whole image uniform；Described " block writes control " module and " block reading controls " module act on jointly, for the read-write order by controlling data block, thus realize the left and right mirror image of image, upper and lower mirror image, forward upset 90 °, reverse upset 90 °.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105550986A (en) * | 2016-02-05 | 2016-05-04 | 广州市盛光微电子有限公司 | Image mapping conversion method based on multiple lenses and multiple sensors and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105550986A (en) * | 2016-02-05 | 2016-05-04 | 广州市盛光微电子有限公司 | Image mapping conversion method based on multiple lenses and multiple sensors and device |
| CN105550986B (en) * | 2016-02-05 | 2019-02-12 | 广州市盛光微电子有限公司 | A kind of image mapping methods and device based on more camera lens multisensors |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Yanbin Inventor after: Zhang Yansheng Inventor after: Fang Zhuangchao Inventor before: Yu Yanbin Inventor before: Zhang Yansheng Inventor before: He Shijie |
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| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |