CN109462744B - Chromatic aberration correction lens device and image generation equipment suitable for same - Google Patents
Chromatic aberration correction lens device and image generation equipment suitable for same Download PDFInfo
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- CN109462744B CN109462744B CN201710796749.5A CN201710796749A CN109462744B CN 109462744 B CN109462744 B CN 109462744B CN 201710796749 A CN201710796749 A CN 201710796749A CN 109462744 B CN109462744 B CN 109462744B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Abstract
The invention provides a chromatic aberration correction lens device and an image generation device suitable for the chromatic aberration correction lens device. The image generation device comprises an image pickup unit and an image processing unit. The image processing unit comprises a chromatic aberration compensation and correction module. The output end of the chromatic aberration correction lens device is connected and aligned with the camera shooting unit. The chromatic aberration correction lens device comprises an object connecting end and an output end. The correction sheet comprises a color correction image and is arranged at the object receiving end, and the part of the color correction image covers the object receiving end. When the camera unit obtains a real object image attached to the object receiving end, the real object image and the color correction image are simultaneously imaged to the camera unit from the output end, wherein the color difference compensation and correction module of the image processing unit executes color correction and compensation operation, and performs the color correction and compensation operation on the real object image by taking the color correction image as a reference.
Description
Technical Field
The present invention relates to a lens device, and more particularly, to a chromatic aberration correction lens device applied to an image pickup unit and an image generating apparatus using the same.
Background
With the popularization of smart mobile devices and the daily update of camera functions, smart mobile devices with camera functions have become an indispensable device in life of many modern people. However, in order to enable users to use the mobile device in various environments, the camera function of the mobile device often provides only a general lens mode, and for applications in some special fields, specialized use needs can be achieved by adding an external lens.
Conventionally, the external lens of a conventional smart mobile device additionally provides a lens zooming function, so that the original smart mobile device can further perform short-distance or long-distance shooting, for example, the external lens is connected to perform macro-shooting. However, even if the problem of the connection between the external lens and the smart mobile device is eliminated, the shooting result of the external lens still has the problems of insufficient light or excessive chromatic aberration of color development, etc., and the obtained image still needs to be subjected to brightness adjustment or chromatic aberration compensation and correction by a complicated software program, and the corrected result cannot ensure that the output image is the same as the real object and has no chromatic aberration, and cannot meet the application requirement. On the other hand, the problem of the attenuation of the auxiliary light source due to the long-term use also increases the complexity of the chromatic aberration correction.
Therefore, there is a need to provide a chromatic aberration correction lens apparatus and an image generating apparatus using the same to solve the above problems.
Disclosure of Invention
The present invention provides a chromatic aberration correction lens device, which is externally connected to an intelligent mobile device and is aligned to a camera unit thereof, wherein a correction sheet is disposed at an object connecting end of a lens group, and the correction sheet and an image of a real object can be acquired during camera shooting, so as to facilitate a subsequent color correction compensation operation of the image.
Another objective of the present invention is to provide a chromatic aberration correction lens apparatus, which has a simple structure and a low manufacturing cost, and can simplify chromatic aberration compensation and correction of an image and improve accuracy of chromatic aberration compensation and correction of the image.
It is another objective of the present invention to provide a chromatic aberration correction lens apparatus and an image generating device using the same, wherein the chromatic aberration correction lens apparatus can be easily attached to an image capturing unit of an image generating device, and simultaneously achieve close-range macro-capture and chromatic aberration compensation correction. In addition, the built-in light source of the chromatic aberration correcting lens device can provide enough brightness, and meanwhile, the adjustable lens group with the magnification function is combined, so that the shooting effect of macro close-up shooting can be enhanced. Therefore, the chromatic aberration correction lens device can be simply combined with the camera unit of a common intelligent mobile device, so that the common intelligent mobile device can execute macro close-up shooting and chromatic aberration compensation correction.
To achieve the aforesaid objective, the present invention provides a chromatic aberration correction lens device, which includes a lens group and a correction sheet. The lens group comprises a socket base and an adjustable lens group. The socket base comprises a first socket body. Wherein the first sleeve body is provided with an output end which is connected to a camera shooting unit in a matched mode. The adjustable lens group comprises a second sleeve body, a lens group and an adjusting assembly, wherein the second sleeve body is provided with an object connecting end. Wherein first sleeve body and second sleeve body are cup jointed coaxially each other, and the lens group sets up within the second sleeve body, and the adjustment subassembly sets up between first sleeve body and second sleeve body to make first sleeve body and second sleeve body be axial displacement adjustment each other. The correcting piece comprises a color correcting image which is arranged at the object receiving end of the second sleeve body and partially covers the object receiving end, wherein when the camera shooting unit obtains a real object image attached to the object receiving end, the real object image and the color correcting image are simultaneously imaged to the camera shooting unit through the lens group and the output end.
To achieve the aforesaid objective, the present invention further provides an image generating apparatus, which includes an intelligent mobile device and a color difference correction lens device. The image generating device comprises a camera unit and an image processing unit, wherein the image processing unit comprises a chromatic aberration compensation and correction module. The chromatic aberration correction lens device is connected with the intelligent mobile device in a group mode and is oppositely positioned on the camera shooting unit. The chromatic aberration correction lens device comprises a lens group and a correction sheet. The lens group comprises a socket base and an adjustable lens group. The socket base comprises a first socket body, wherein the first socket body is provided with an output end which is connected to the camera shooting unit in a matched mode. The adjustable lens group comprises a second sleeve body, a lens group and an adjusting assembly, wherein the second sleeve body is provided with an object connecting end. Wherein first sleeve body and second sleeve body are cup jointed coaxially each other, and the lens group sets up within the second sleeve body, and the adjustment subassembly sets up between first sleeve body and second sleeve body to make first sleeve body and second sleeve body be axial displacement adjustment each other. The correction sheet comprises a color correction image which is arranged at the object receiving end of the second sleeve body and partially covers the object receiving end. When the camera unit obtains a real image attached to the object receiving end, the real image and the color correction image are imaged to the camera unit through the lens group and the output end at the same time, wherein the color difference compensation and correction module of the image processing unit executes a color correction and compensation operation, and the real image is subjected to the color correction and compensation operation by taking the color correction image as a reference.
Drawings
Fig. 1 is a perspective view of a chromatic aberration correcting lens device according to a preferred embodiment of the invention.
Fig. 2 is a schematic diagram illustrating an application of a chromatic aberration correction lens apparatus according to a preferred embodiment of the invention.
FIG. 3 is a cross-sectional view of a chromatic aberration correcting lens device according to a preferred embodiment of the invention.
FIG. 4 is a block diagram of an image generating apparatus according to a preferred embodiment of the present invention.
Fig. 5 is a cross-sectional view of a chromatic aberration correcting lens device according to another preferred embodiment of the invention.
[ notation ] to show
1. 1 a: chromatic aberration correction lens device
10: socket joint base
11: first sleeve body
12: light source
13: output end
14: joint assembly
15: transmission line
2: lens group
20: adjustable lens group
21: second sleeve body
22: lens group
23: object receiving end
24: light-transmitting glass
25: first surface
26: second surface
27: adjusting assembly
3: correction sheet
30: correcting image
31: first plane
32: second plane
4: intelligent mobile device
40: image pickup unit
41: light source
42: control unit
43: power supply unit
44: image processing unit
45: storage unit
46: chromatic aberration compensation correction module
47: display unit
48: output interface
49: transmission interface
50: physical object
51: object image
5: image generating apparatus
S1: coplanar
Detailed Description
Some exemplary embodiments that embody features and advantages of the invention will be described in detail in the description that follows. As will be realized, the invention is capable of modifications in various obvious respects, all without departing from the scope of the present invention, and the description and drawings are to be regarded as illustrative in nature, and not as restrictive.
Fig. 1 is a perspective view of a chromatic aberration correcting lens device according to a preferred embodiment of the invention. Fig. 2 is a schematic diagram illustrating an application of a chromatic aberration correction lens apparatus according to a preferred embodiment of the invention. FIG. 3 is a cross-sectional view of a chromatic aberration correcting lens device according to a preferred embodiment of the invention. As shown in the figure, the chromatic aberration correction lens device 1 includes a lens group 2 and a correction sheet 3. The lens assembly 2 includes an output end 13 and an object receiving end 23 disposed at two opposite ends of the lens assembly 2, wherein the output end 13 is connected to a camera unit 40 (as shown in fig. 3), so that the camera unit 40 can perform a macro close-shot of object image acquisition. The calibration sheet 3 is a color calibration sheet, which includes a color calibration image 30 (as shown in fig. 2), the calibration sheet 3 is disposed at the object end 23 and partially covers the object end 23, wherein the calibration sheet 3 and the object end 23 are preferably located on a common plane S1. When the image capturing unit 40 obtains the real image 51 of the real object 50 attached to the object receiving end 23, the real image 51 and the color correction image 30 are imaged from the coplanar S1 to the image capturing unit 40 through the lens assembly 2 and the output end 13. Thus, the real image 51 can be corrected by the chromatic aberration compensation of the real image 51 with reference to the chromatic corrected image 30.
In the present embodiment, the lens assembly 2 includes a coupling base 10 and an adjustable lens set 20. The socket base 10 includes a first socket 11, wherein one end of the first socket 11 is configured as an output end 13, and the output end 13 is configured and connected to a camera unit 40. In the embodiment, the camera unit 40 may be, for example, but not limited to, the camera unit 40 in the smart mobile device 4. In addition, the adjustable lens set 20 includes a second sleeve 21, a lens set 22 and an adjusting element 27, wherein one end of the second sleeve 21 is configured as the object end 23. The first sleeve 11 and the second sleeve 21 are coaxially sleeved, the lens group 22 is disposed inside the second sleeve 21, and external light can be transmitted from the object receiving end 23 to the output end 13 through the lens group 22 and then output, i.e. the optical axis direction is from the object receiving end 23 to the output end 13 through the lens group 22. The adjusting member 27 is disposed between the first sleeve body 11 and the second sleeve body 21, so that the first sleeve body 11 and the second sleeve body 21 can be adjusted by axial displacement. In the present embodiment, the adjusting element 27, such as but not limited to a screw driving set or a stepping motor, is disposed between the first sleeve body 11 and the second sleeve body 21. The adjustment assembly 27 can adjust the axial displacement of the first sleeve body 11 and the second sleeve body 21 to control the focusing or magnifying power of the lens group 22 relative to the image capturing unit 40 in the lens group 2. However, the structure of the adjusting component 27 is not limited thereto, and is not limited to the essential features of the present invention, which will not be described herein again.
In the present embodiment, the adjustable lens assembly 20 includes a transparent glass 24 disposed at the object end 23, and the correcting plate 3 is disposed on the transparent glass 24. The transparent glass 24 includes a first surface 25 and a second surface 26, the first surface 25 is opposite to the second surface 26, and the first surface 25 is embedded in the second sleeve body 21. In the present embodiment, the second surface 26 is configured as the object end 23, and the color corrected image 30 of the correction sheet 3 is disposed on the second surface 26 and faces the first surface 25, so that the color corrected image 30 of the correction sheet 3 and the object end 23 are located on the same plane S1. In other embodiments, the correction sheet 3 and the transparent glass 24 may also be integrally formed, and the color correction image 30 is directly formed on the second surface 26 of the transparent glass 24, but the invention is not limited to the way in which the color correction image 30 and the object terminal 23 are configured to be coplanar with each other as S1. On the other hand, in the present embodiment, the socket base 10 further includes a light source 12 disposed in the first socket body 11 to provide an illumination light source, wherein the light source 12 can be, but is not limited to, a light emitting diode light source. During the image capturing, the illumination light of the light source 12 is reflected from the object end 23 and the coplanar S1 where the color correction image 30 of the correction sheet 3 is located, passes through the lens group 22, and is output to the image capturing unit 40 through the output end 13. It should be emphasized that the illumination source provided by the light source 12 is helpful to enhance the brightness and the definition of the object image 51 of the object 50 captured by the lens assembly 2. Because the present invention uses the correction sheet 3 disposed at the object end 23 of the lens set 2 to obtain an image together with the real object 50 during shooting, and further, the color correction image 30 can be used as a reference to perform the color difference compensation correction on the real object image 50, so that the difference of the shooting environment conditions does not affect the accuracy of the color difference compensation correction, and the result of the color difference compensation correction is not affected even if the illumination intensity of the light source 12 is attenuated after long-term use.
In this embodiment, the socket base 10 further includes a joint component 14 for socket-connecting the chromatic aberration correction lens device 1 to the smart mobile device 4, and simultaneously aligning and connecting the output end 13 of the chromatic aberration correction lens device 1 to the camera unit 40, wherein the joint component 14 can be, for example but not limited to, a fixing clip, a latch and slot set or a buckle set. In addition, the chromatic aberration correcting lens device 1 further includes a transmission line 15 connected to the adjusting assembly 27 and the light source 12. The transmission line 15 can be electrically connected to the smart mobile device 4, so that the smart mobile device 4 can supply power to the light source 12 and provide a driving signal to drive the adjustment component 27 to actuate through the transmission of the transmission line 15.
FIG. 4 is a block diagram of an image generating apparatus according to a preferred embodiment of the present invention. In the present embodiment, the chromatic aberration correction lens device 1 and the smart mobile device 4 are assembled to form an image generating apparatus 5. When the chromatic aberration correcting lens device 1 of the present invention is connected to the camera unit 40 of the smart mobile device 4 through the connecting assembly 14, the object image 51 acquired by the camera unit 40 can be corrected for chromatic aberration compensation through the application program on the smart mobile device 4. In the present embodiment, the smart mobile device 4 further includes a control unit 42, a power supply unit 43, an image processing unit 44 and a storage unit 45 in addition to the camera unit 40. The control unit 42 is connected to the camera unit 40, the power supply unit 43, the image processing unit 44 and the storage unit 45 to control the operations of the units. In the embodiment, the control unit 42 and the power supply unit 43 of the smart mobile device 4 can be connected to the adjusting assembly 27 of the lens set 2 and the light source 12 through the transmission interface 49 of the smart mobile device 4 and the transmission line 15 of the chromatic aberration correcting lens device 1 to provide the power required by the light source 12 and drive and control the adjusting assembly 27 to adjust the axial displacement of the first sleeve 11 and the second sleeve 21 relative to each other, so as to achieve the purpose of automatic zooming. When the user controls the camera unit 40 to take a picture through the application program and the control unit 42 of the smart mobile device 4, the control unit 42 can first control the adjusting assembly 27 to automatically adjust the lens set 22 to the required magnification, and at the same time, start the illumination of the light source 12. In the embodiment, the color corrected image 30 may be composed of a plurality of standard color blocks or reference color blocks, wherein the reference color data of the color corrected image 30 may be pre-stored in the storage unit 45 of the smart-mobile device 4. During the image capturing, the image capturing unit 40 can simultaneously acquire the color corrected image 30 of the calibration sheet 3 and the real image 51 of the real object 50 through the lens group 22. The color corrected image 30 and the real object image 51 are transmitted to the image processing unit 44 for further image processing. In the present embodiment, the image processing unit 44 includes a color difference compensation and correction module 46 configured to perform a color difference compensation and correction operation on the image. When the color difference compensation and correction operation of the image is performed, the object image 51 can perform the color difference compensation and correction according to the reference color data of the color correction image 30. The corrected real-object image 51 can be displayed on the display unit 47 of the smart mobile device 4 or output through an output interface 48.
For example, when the combination of the chromatic aberration correction lens device 1 and the smart mobile device 4 of the present invention, i.e., the aforementioned image generating apparatus, is applied to close-up taking of skin of a human body, although the objects, environments and conditions of the photographing are different, the images of the photographing are obtained together with the color correction image 30 on the correction sheet 3, so that the color compensation correction can be realized by the aforementioned method.
Fig. 5 is a cross-sectional view of a chromatic aberration correcting lens device according to another preferred embodiment of the invention. In the present embodiment, the chromatic aberration correcting lens device 1a is similar to the chromatic aberration correcting lens device 1 shown in fig. 1 to 3, and the same reference numerals denote the same elements, structures and functions, which are not described herein again. Unlike the chromatic aberration correcting lens device 1 shown in fig. 1 to 3, in the present embodiment, the correcting sheet 3 may be, for example but not limited to, composed of a transparent substrate or glass, the color corrected image 30 is disposed on a first plane 31 and faces another second plane 32 opposite to the first plane 31, the correcting sheet 3 is embedded in the second sleeve 21, and the first plane 31 and the object connecting end 23 are configured as a coplanar S1. Furthermore, the adjusting assembly 27 can be a manual transmission screw set, and simply rotate the second sleeve body 21, so that the second sleeve body 21 can adjust the axial displacement relative to the first sleeve body 11 through the adjusting assembly 27, thereby controlling the focusing or magnification of the lens group 22 in the lens group 2 relative to the image capturing unit 40. In addition, for some of the smart mobile devices 4 with the light source 41 with the illumination function built in the camera unit 40, the light source 12 of the chromatic aberration correction lens device 1 in the foregoing embodiment can be omitted. In some embodiments, the docking station 10 may only include the first sleeve 11, and the connection component of the previous embodiment is omitted, so that the output terminal 13 is directly fastened to the camera unit 40 of the smart mobile device 4. It should be noted that the size and shape of the correction sheet 3 are not limited, and a ring shape is preferable
In summary, the present invention provides a chromatic aberration correcting lens device, which is externally connected to an intelligent mobile device and is aligned with a camera unit of the intelligent mobile device, wherein a correcting film is disposed at an object connecting end of the lens set, so that the correcting film and an image of a real object can be obtained during shooting, thereby facilitating a subsequent color correction compensation operation of the image. The chromatic aberration correction lens device has simple structure and low manufacturing cost, and can simplify chromatic aberration compensation correction of images and improve the accuracy of chromatic aberration compensation correction of the images. The invention also provides an image generating device suitable for the chromatic aberration correction lens device. The chromatic aberration correcting lens device can be simply attached to a camera unit sleeved on an image generating device, and meanwhile, the purpose of microspur close-up shooting and chromatic aberration compensation correction is achieved. In addition, the built-in light source of the chromatic aberration correcting lens device can provide enough brightness, and meanwhile, the adjustable lens group with the magnification function is combined, so that the shooting effect of macro close-up shooting can be enhanced. Therefore, the chromatic aberration correction lens device can be simply combined with the camera unit of a common intelligent mobile device, so that the common intelligent mobile device can execute macro close-up shooting and chromatic aberration compensation correction.
The present invention may be modified in various ways by those skilled in the art without departing from the scope of the appended claims.
Claims (9)
1. A chromatic aberration correction lens apparatus, comprising:
a lens set and a correction plate, wherein the lens set includes a socket base and an adjustable lens set,
wherein the socket base comprises a first socket body having an output end connected to a camera unit,
wherein the adjustable lens group comprises a second sleeve body, a lens group and an adjusting component, the second sleeve body is provided with an object-receiving end, the first sleeve body and the second sleeve body are coaxially sleeved with each other, the lens group is arranged in the second sleeve body, the adjusting component is arranged between the first sleeve body and the second sleeve body so as to enable the first sleeve body and the second sleeve body to be axially displaced and adjusted with each other,
the correcting sheet comprises a color correcting image, wherein the color correcting image is arranged at the object receiving end of the second sleeve body and partially covers the object receiving end, the color correcting image and the object receiving end of the correcting sheet are positioned on a common plane, and when the camera shooting unit obtains a real object image attached to the object receiving end, the real object image and the color correcting image are simultaneously imaged to the camera shooting unit through the lens group and the output end.
2. The chromatic aberration correcting lens device of claim 1, wherein the tunable lens group includes a transparent glass disposed at the object end, the correcting plate is disposed on the transparent glass, wherein the transparent glass includes a first surface and a second surface, the first surface is opposite to the second surface, the first surface is embedded in the second sleeve, the second surface is configured as the object end, and the correcting plate is disposed on the second surface with the color correcting image facing the first surface.
3. The chromatic aberration correcting lens device of claim 1, wherein the correcting sheet is a transparent substrate or a glass, and the color corrected image is disposed on one plane of the transparent substrate or the glass and faces the other opposite plane.
4. The lens device of claim 1, wherein the color corrected image comprises a plurality of standard color blocks, and the correction sheet is ring-shaped.
5. The chromatic aberration correcting lens device of claim 1, wherein the socket base includes a light source disposed in the first sleeve for providing an illumination light.
6. The apparatus of claim 5, wherein the socket base comprises a transmission line connecting the adjustment assembly and the light source.
7. The lens apparatus according to claim 1, wherein the socket base includes a transmission line connected to the adjustment element.
8. The lens apparatus of claim 1, wherein the socket base comprises a joint component for joining the socket base and the camera unit to align the output end with the camera unit.
9. An image generation device is characterized in that the device comprises an intelligent mobile device and a color difference correction lens device,
wherein the intelligent mobile device comprises a camera unit and an image processing unit, wherein the image processing unit comprises a color difference compensation and correction module,
wherein the chromatic aberration correction lens device is connected with the intelligent mobile device and is oppositely positioned on the camera shooting unit, and the chromatic aberration correction lens device comprises a lens group and a correction sheet,
wherein the lens set comprises a socket base and an adjustable lens set,
wherein the socket base comprises a first socket body having an output end connected to the camera unit,
wherein the adjustable lens group comprises a second sleeve body, a lens group and an adjusting component, the second sleeve body is provided with an object-receiving end, the first sleeve body and the second sleeve body are coaxially sleeved with each other, the lens group is arranged in the second sleeve body, the adjusting component is arranged between the first sleeve body and the second sleeve body so as to enable the first sleeve body and the second sleeve body to be axially displaced and adjusted with each other,
the correcting sheet comprises a color correcting image, wherein the color correcting image is arranged at the object receiving end of the second sleeve body and partially covers the object receiving end, the color correcting image and the object receiving end of the correcting sheet are positioned on a common plane, when the camera shooting unit obtains a real object image attached to the object receiving end, the real object image and the color correcting image are simultaneously imaged to the camera shooting unit through the lens group and the output end, the color difference compensating module of the image processing unit executes a color correcting and compensating operation, and the color correcting and compensating operation is carried out on the real object image by taking the color correcting image as a reference.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710796749.5A CN109462744B (en) | 2017-09-06 | 2017-09-06 | Chromatic aberration correction lens device and image generation equipment suitable for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796749.5A CN109462744B (en) | 2017-09-06 | 2017-09-06 | Chromatic aberration correction lens device and image generation equipment suitable for same |
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| CN109462744A CN109462744A (en) | 2019-03-12 |
| CN109462744B true CN109462744B (en) | 2021-04-09 |
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| CN2777577Y (en) * | 2004-12-03 | 2006-05-03 | 力捷电脑(中国)有限公司 | Thread assembling structure for lens cone and base in digital lens module |
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| CN202059518U (en) * | 2011-04-29 | 2011-11-30 | 罗煜 | System for white balance correction by using color plate |
| TWM436175U (en) * | 2012-03-27 | 2012-08-21 | Wen-Ji Xie | Attached lens assembly for mobile phone |
| TWI563823B (en) * | 2015-12-30 | 2016-12-21 | Printing Technology Res Inst |
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| US8988590B2 (en) * | 2011-03-28 | 2015-03-24 | Intermec Ip Corp. | Two-dimensional imager with solid-state auto-focus |
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| CN2777577Y (en) * | 2004-12-03 | 2006-05-03 | 力捷电脑(中国)有限公司 | Thread assembling structure for lens cone and base in digital lens module |
| CN102215340A (en) * | 2010-04-07 | 2011-10-12 | 索尼公司 | Imaging apparatus and imaging signal correcting method |
| CN202059518U (en) * | 2011-04-29 | 2011-11-30 | 罗煜 | System for white balance correction by using color plate |
| TWM436175U (en) * | 2012-03-27 | 2012-08-21 | Wen-Ji Xie | Attached lens assembly for mobile phone |
| TWI563823B (en) * | 2015-12-30 | 2016-12-21 | Printing Technology Res Inst |
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