CN106657747B - Camera module, electronic equipment, camera control method and device - Google Patents
Camera module, electronic equipment, camera control method and device Download PDFInfo
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- CN106657747B CN106657747B CN201710005480.4A CN201710005480A CN106657747B CN 106657747 B CN106657747 B CN 106657747B CN 201710005480 A CN201710005480 A CN 201710005480A CN 106657747 B CN106657747 B CN 106657747B
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- camera
- driving device
- rotating disc
- captured picture
- rotating shaft
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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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
Abstract
The invention discloses a camera module, electronic equipment, a camera control method and a camera control device, which are used for improving the Moire phenomenon of a picture shot by the electronic equipment when a screen is shot and improving the shooting quality. The module of making a video recording includes annular frame, camera and the first carousel that the coaxial line set up to and first drive arrangement and second drive arrangement, wherein: the inner side of the annular outer frame is provided with a sliding rail arranged along the circumferential direction; the first rotating disc is arranged on the back side of the camera, and the front side surface of the first rotating disc is provided with a fixed seat; the back side of the camera is provided with a rotating shaft pivoted with the fixed seat, and two ends of the rotating shaft are assembled on the sliding rail of the annular outer frame in a sliding way; the first driving device is in transmission connection with the rotating shaft and is used for driving the rotating shaft to rotate; the second driving device is in transmission connection with the first rotating disc and is used for driving the first rotating disc to rotate.
Description
Technical Field
The present invention relates to the field of camera technologies, and in particular, to a camera module, an electronic device, and a camera control method and apparatus.
Background
With the rapid development of science and technology, mobile phones, tablet computers, digital cameras and the like have become indispensable electronic devices in people's lives. The photographing function of the electronic equipment can basically meet the daily needs of people.
Taking a mobile phone as an example, when people see some important information in daily use, people often take a picture of the mobile phone for later use or reference. However, if the information to be captured is screen display information, the captured picture often has stripes, which are called moire fringes, and the spatial frequency of the pixels of the photosensitive element of the camera module is relatively close to that of the stripes in the captured screen image.
Therefore, how to improve the moire phenomenon of the electronic device such as a mobile phone taking a picture under the above-mentioned photographing situation and improve the photographing quality is a technical problem to be solved urgently at present.
Disclosure of Invention
The embodiment of the invention provides a camera module, electronic equipment, a camera control method and a camera control device, which are used for improving the Moire pattern phenomenon of a picture shot by the electronic equipment when a screen is shot and improving the shooting quality.
The embodiment of the invention provides a camera module, which comprises an annular outer frame, a camera, a first turntable, a first driving device and a second driving device, wherein the annular outer frame, the camera and the first turntable are coaxially arranged, and the first driving device and the second driving device are arranged, wherein:
the inner side of the annular outer frame is provided with a sliding rail arranged along the circumferential direction;
the first rotating disc is arranged on the back side of the camera, and the front side surface of the first rotating disc is provided with a fixed seat;
the back side of the camera is provided with a rotating shaft pivoted with the fixed seat, and two ends of the rotating shaft are assembled on the sliding rail of the annular outer frame in a sliding way;
the first driving device is in transmission connection with the rotating shaft and is used for driving the rotating shaft to rotate;
the second driving device is in transmission connection with the first rotating disc and is used for driving the first rotating disc to rotate.
When the camera module is used, if Moire lines appear in an image captured by the camera, the turning angle of the camera relative to the first rotating disc can be finely adjusted by driving the rotating shaft to rotate, and the central rotating angle of the camera can be finely adjusted by driving the first rotating disc to rotate until the camera can capture a clear and noiseless picture at a certain shooting angle, and then shooting is carried out. By adopting the technical scheme of the embodiment of the invention, the Moire phenomenon of the picture shot by the electronic equipment when the screen is shot can be effectively improved, thereby improving the shooting quality.
Preferably, first carousel is the ring form carousel, the module of making a video recording still includes: the device comprises a first bevel gear fixed on a rotating shaft, a second rotating disc arranged coaxially with the first rotating disc, a transmission shaft fixed at the center of the second rotating disc, and a second bevel gear fixed on the transmission shaft and meshed with the first bevel gear; the first driving device is in transmission connection with the second rotating disc. This design adopts a pair of right angle meshed's bevel gear to change transmission direction, and transmission performance is reliable, can make the structure of the module of making a video recording compacter moreover.
Preferably, the number of teeth of the second bevel gear is smaller than the number of teeth of the first bevel gear. By adopting the design, the rotation angular velocity of the first bevel gear is smaller than that of the second bevel gear, so that the camera can be prevented from being too large in turnover angle, and the camera can be accurately adjusted in turnover angle.
Preferably, the second turntable and the first turntable are located on the same plane. Therefore, the structure of the camera module can be more compact.
Preferably, the number of the fixed seats is at least two, and each fixed seat is provided with an opening clamping groove; the back side of the camera is provided with at least two fixing ears, and each fixing ear is provided with a through hole; the rotating shaft is fixed in the through holes of the at least two fixing lugs and is pivoted in the opening clamping grooves of the at least two fixing seats.
Preferably, the camera module further comprises: the controller is respectively and electrically connected with the camera, the first driving device and the second driving device and is used for acquiring a captured picture of the camera; extracting a characteristic value of a captured picture, and judging whether noise exists in the captured picture according to the characteristic value; when noise exists in the captured picture, a first control signal is sent to the first driving device to control the camera to turn over relative to the first rotating disc, and a second control signal is sent to the second driving device to control the camera to rotate along with the first rotating disc in a centering mode. Adopt this embodiment scheme, the module of making a video recording can be according to the flip angle and the rotation angle of the picture automatic adjustment camera that the camera was caught to make the camera can shoot out the photo of high-quality under the angle of shooting of preferred, intelligent degree is higher.
Preferably, the first control signal is a square wave voltage signal for controlling the camera to alternately turn over in the forward direction and the reverse direction relative to the first turntable. By adopting the scheme of the embodiment, when the turning angle of the camera is finely adjusted, the camera alternately turns over in the forward direction and the reverse direction relative to the first rotating disc, so that interference with the first rotating disc due to the fact that the turning angle of the camera is too large can be prevented, and the accurate adjustment of the turning angle of the camera is facilitated.
The embodiment of the invention also provides electronic equipment which comprises the camera module in any technical scheme. Compared with the prior art, the Moire phenomenon of the shot picture of the electronic equipment is improved when the screen is shot, and the shooting quality is better.
The embodiment of the invention also provides a camera shooting control method, which comprises the following steps:
acquiring a captured picture of a camera;
extracting a characteristic value of a captured picture, and judging whether noise exists in the captured picture according to the characteristic value;
when noise exists in the captured picture, a first control signal is sent to the first driving device to control the camera to turn over relative to the first rotating disc, and a second control signal is sent to the second driving device to control the camera to rotate along with the first rotating disc in a centering mode.
By adopting the camera shooting control method of the embodiment of the invention, the camera shooting module can automatically adjust the turning angle and the rotating angle of the camera according to the picture captured by the camera, thereby effectively improving the Moire phenomenon of the picture shot by the electronic equipment when shooting the screen and improving the shooting quality.
An embodiment of the present invention further provides a camera control apparatus, including:
the acquisition unit is used for acquiring a captured picture of the camera;
the extraction judging unit is used for extracting the characteristic value of the captured picture and judging whether the captured picture has noise points according to the characteristic value;
and the control unit is used for sending a first control signal to the first driving device to control the camera to overturn relative to the first turntable and sending a second control signal to the second driving device to control the camera to rotate along with the first turntable in the center when noise exists in the captured picture.
By adopting the camera control device of the embodiment of the invention, the camera module can automatically adjust the turning angle and the rotating angle of the camera according to the picture captured by the camera, thereby effectively improving the Moire phenomenon of the picture shot by the electronic equipment when the electronic equipment shoots the screen and improving the shooting quality.
Drawings
Fig. 1 is a schematic view of a camera module according to an embodiment of the invention;
FIG. 2 is a schematic view of an assembly of the annular outer frame and the camera according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an electrical control structure of the camera module according to an embodiment of the present invention;
FIG. 4 is a diagram of an electronic device according to an embodiment of the invention;
fig. 5 is a schematic flow chart of a camera control method according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an image pickup control apparatus according to an embodiment of the present invention.
Reference numerals:
1-an electronic device; 10-a camera module; 101-a ring-shaped outer frame; 102-a camera; 103-a first carousel;
104-a first drive; 105-a second drive; 106-a slide rail; 107-a fixed seat; 108-a rotating shaft;
109-a first bevel gear; 110-a second carousel; 111-a drive shaft; 112-second bevel gear;
113-open card slot; 114-fixing ears; 115-through hole; 116-a controller; 20-an acquisition unit;
21-an extraction judgment unit; 22-control unit.
Detailed Description
In order to improve the moire phenomenon of a picture taken by electronic equipment when a screen is taken and improve the shooting quality, the embodiment of the invention provides a camera module, the electronic equipment, a camera control method and a camera control device. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
As shown in fig. 1 to fig. 3, a camera module 10 according to an embodiment of the present invention includes an annular outer frame 101, a camera 102, a first turntable 103, a first driving device 104, and a second driving device 105, where: the inner side of the annular outer frame 101 is provided with a sliding rail 106 arranged along the circumferential direction; the first turntable 103 is disposed on the back side of the camera 102, and the front side surface thereof has a fixing seat 107; the back side of the camera 102 is provided with a rotating shaft 108 pivoted with the fixed seat 107, and two ends of the rotating shaft 108 are slidably assembled in the sliding rails 106 of the annular outer frame 101; the first driving device 104 is in transmission connection with the rotating shaft 108 and is used for driving the rotating shaft 108 to rotate; the second driving device 105 is in transmission connection with the first rotary table 103 and is used for driving the first rotary table 103 to rotate.
It is known that when the camera module 10 is used for shooting, the camera 102 needs to face the object to capture the image of the object. Based on this, in the examples of the present invention, we define: the side of the camera 102 and the first turntable 103 close to the subject is the front side, and the side far from the subject is the back side. The coaxial arrangement of the annular outer frame 101, the camera 102 and the first turntable 103 means that: the geometric central axes of the annular outer frame 101, the camera 102 and the first turntable 103 are coincident.
In the embodiment of the present invention, the specific types of the first driving device 104 and the second driving device 105 are not limited, and may be, for example, a driving motor, or the like. The transmission connection structure between the first driving device 104 and the rotating shaft 108, and the transmission connection structure between the second driving device 105 and the first rotating disk 103 are not limited, and may be, for example, a gear transmission connection structure, a sprocket and gear combination transmission connection structure, a pulley and gear combination transmission connection structure, and the like, which may be specifically designed according to actual needs.
In the embodiment of the present invention, the specific structural form of the slide rail 106 inside the annular outer frame 101 is not limited, and may be a groove-shaped slide rail or a rib-shaped slide rail. In the embodiment shown in fig. 1 and 2, the slide rail 106 is embodied as a groove-shaped slide rail.
When the camera module 10 of the embodiment of the present invention is in use, if moire occurs in an image captured by the camera 102, the turning angle of the fine tuning camera 102 relative to the first turntable 103 can be rotated by driving the rotating shaft 108, and the center rotation angle of the fine tuning camera 102 can be rotated by driving the first turntable 103 until the camera 102 can capture a clear and noiseless picture at a certain shooting angle, and then shooting is performed. By adopting the technical scheme of the embodiment of the invention, the Moire phenomenon of the picture shot by the electronic equipment when the screen is shot can be effectively improved, thereby improving the shooting quality.
Referring to fig. 1, in this embodiment, there are two fixing bases 107, and each fixing base 107 has an open slot 113; the back side of the camera head 102 has two fixing ears 114, each fixing ear 114 having a through hole 115; the rotating shaft 108 is fixed in the through holes 115 of the two fixing lugs 114 and is pivotally mounted in the open slots 113 of the two fixing seats 107. The number of the fixing base 107 and the fixing lug 114 is at least two, but not limited to two, and may also be three, for example. When the camera 102 is assembled with the first rotary table 103, the rotating shaft 108 is clamped into the opening clamping grooves 113 of the two fixing seats 107, and the rotating shaft 108 can freely rotate in the opening clamping grooves 113.
In the embodiment shown in fig. 1, the first turntable 103 is an annular turntable, and the camera module 10 further includes: a first bevel gear 109 fixed on the rotating shaft 108, a second rotating disc 110 arranged coaxially with the first rotating disc 103, a transmission shaft 111 fixed at the center of the second rotating disc 110, and a second bevel gear 112 fixed on the transmission shaft 111 and engaged with the first bevel gear 109; the first driving device is in transmission connection with the second turntable 110. According to the design scheme, in the transmission connecting structure between the first driving device and the rotating shaft 108, the transmission direction is changed by adopting a pair of bevel gears meshed at right angles, the transmission performance is reliable, and the structure of the camera module 10 can be more compact.
Preferably, the number of teeth of the second bevel gear 112 is smaller than that of the first bevel gear 109. With this design, the rotational angular velocity of the first bevel gear 109 is smaller than the rotational angular velocity of the second bevel gear 112, which can prevent the flip angle of the camera 102 from being too large, and improve the accuracy of the adjustment of the flip angle of the camera 102.
Preferably, the second turntable 110 and the first turntable 103 are located on the same plane. This makes the construction of the camera module 10 more compact. In an embodiment of the present invention, a transmission gear (not shown in the drawings) may be fixed on the back sides of the first rotating disk 103 and the second rotating disk 110, the first driving device 104 is in transmission connection with the transmission gear on the back side of the second rotating disk 110 so as to drive the rotating shaft 108 to rotate, and the second driving device 105 is in transmission connection with the transmission gear on the back side of the first rotating disk 103 so as to drive the rotating shaft 108 to slide on the sliding rail 106 of the annular outer frame 101.
Referring to fig. 3, in a preferred embodiment of the present invention, the camera module 10 further includes: a controller 116 electrically connected to the camera 102, the first driving device 104, and the second driving device 105, respectively, for acquiring a captured image of the camera 102; extracting a characteristic value of a captured picture, and judging whether noise exists in the captured picture according to the characteristic value; when noise exists in the captured image, a first control signal is sent to the first driving device 104 to control the camera 102 to turn over relative to the first turntable 103, and a second control signal is sent to the second driving device 105 to control the camera 102 to rotate along with the first turntable 103.
The noise is a rough portion in an image output by an image sensor of the camera after receiving an optical signal, that is, a foreign pixel that should not appear in the image, and is generally generated by electronic interference. And when judging whether the noise exists in the image, comparing the characteristic value of the selected pixel with the characteristic values of the pixels in the surrounding area, and if the difference between the weighted average value of the characteristic values of the pixels in the surrounding area and the characteristic value of the selected pixel is larger, judging the selected pixel as the noise.
By adopting the embodiment, the camera module 10 can automatically adjust the turning angle and the rotation angle of the camera 102 according to the captured image of the camera 102, so that the camera 102 can shoot high-quality pictures at a better shooting angle, and the intelligent degree is higher.
Preferably, the first control signal is a square wave voltage signal for controlling the camera 102 to alternately flip in the forward direction and the reverse direction with respect to the first turntable 103. For example, when the first driving device 104 receives the high level portion of the first control signal, the rotating shaft 108 is driven to rotate in the forward direction, so that the camera 102 is flipped over in the forward direction with respect to the first turntable 103; when the first driving device 104 receives the low level portion of the first control signal, the rotating shaft 108 is driven to rotate in the reverse direction, so that the camera 102 is reversed with respect to the first turntable 103. By adopting the scheme of the embodiment, when the turning angle of the camera 102 is finely adjusted, the camera 102 alternately turns over in the forward direction and the reverse direction relative to the first turntable 103, so that interference with the first turntable 103 due to the overlarge turning angle of the camera 102 can be prevented, and the accurate adjustment of the turning angle of the camera 102 is facilitated.
As shown in fig. 4, an embodiment of the present invention further provides an electronic device 1, which includes the camera module 10 according to any one of the foregoing technical solutions. The electronic device is not limited in type, and may be a mobile phone, a tablet computer, a digital camera, and the like. The specific setting position of the camera module on the electronic equipment is not limited. Compared with the prior art, the Moire phenomenon of the shot picture of the electronic equipment is improved when the screen is shot, and the shooting quality is better.
As shown in fig. 5, an embodiment of the present invention further provides an image capture control method, including the following steps:
s101, acquiring a capture picture of a camera;
s102, extracting a characteristic value of a captured picture, and judging whether noise exists in the captured picture according to the characteristic value;
and S103, when noise exists in the captured picture, sending a first control signal to the first driving device to control the camera to turn over relative to the first turntable, and sending a second control signal to the second driving device to control the camera to rotate along with the first turntable.
By adopting the camera shooting control method of the embodiment of the invention, the camera shooting module can automatically adjust the turning angle and the rotating angle of the camera according to the picture captured by the camera, thereby effectively improving the Moire phenomenon of the picture shot by the electronic equipment when the electronic equipment shoots the screen and improving the shooting quality.
As shown in fig. 6, based on the same inventive concept, an embodiment of the present invention further provides an image pickup control apparatus, including:
an acquisition unit 20 for acquiring a captured picture of the camera;
an extraction judging unit 21, configured to extract a feature value of the captured image, and judge whether there is a noise in the captured image according to the feature value;
and the control unit 22 is used for sending a first control signal to the first driving device to control the camera to turn over relative to the first rotating disc when noise exists in the captured picture, and sending a second control signal to the second driving device to control the camera to rotate around the first rotating disc.
By adopting the camera control device of the embodiment of the invention, the camera module can automatically adjust the turning angle and the rotating angle of the camera according to the picture captured by the camera, thereby effectively improving the Moire phenomenon of the picture shot by the electronic equipment when the electronic equipment shoots the screen and improving the shooting quality.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides a module of making a video recording, its characterized in that, includes annular outer frame, camera and the first carousel that the coaxial line set up to and first drive arrangement and second drive arrangement, wherein:
the inner side of the annular outer frame is provided with a sliding rail arranged along the circumferential direction;
the first rotating disc is arranged on the back side of the camera, and the front side surface of the first rotating disc is provided with a fixed seat;
the back side of the camera is provided with a rotating shaft pivoted with the fixed seat, and two ends of the rotating shaft are assembled on the sliding rail of the annular outer frame in a sliding way;
the first driving device is in transmission connection with the rotating shaft and is used for driving the rotating shaft to rotate;
the second driving device is in transmission connection with the first rotating disc and is used for driving the first rotating disc to rotate;
first carousel is the ring form carousel, the module of making a video recording still includes: the device comprises a first bevel gear fixed on a rotating shaft, a second rotating disc arranged coaxially with the first rotating disc, a transmission shaft fixed at the center of the second rotating disc, and a second bevel gear fixed on the transmission shaft and meshed with the first bevel gear; the first driving device is in transmission connection with the second turntable;
the tooth number of the second bevel gear is smaller than that of the first bevel gear;
the second rotary disc and the first rotary disc are positioned on the same plane.
2. The camera module of claim 1, wherein there are at least two of the holders, each holder having an open slot; the back side of the camera is provided with at least two fixing ears, and each fixing ear is provided with a through hole; the rotating shaft is fixed in the through holes of the at least two fixing lugs and is pivoted in the opening clamping grooves of the at least two fixing seats.
3. The camera module of claim 1 or 2, further comprising: the controller is respectively and electrically connected with the camera, the first driving device and the second driving device and is used for acquiring a captured picture of the camera; extracting a characteristic value of a captured picture, and judging whether noise exists in the captured picture according to the characteristic value; when noise exists in the captured picture, a first control signal is sent to the first driving device to control the camera to turn over relative to the first rotating disc, and a second control signal is sent to the second driving device to control the camera to rotate along with the first rotating disc in a centering mode.
4. The camera module of claim 3, wherein the first control signal is a square wave voltage signal for controlling the camera to alternately reverse in the forward direction and the reverse direction relative to the first turntable.
5. An electronic apparatus comprising the camera module according to any one of claims 1 to 4.
6. A method for controlling image pickup of an image pickup module according to any one of claims 1 to 4, comprising:
acquiring a captured picture of a camera;
extracting a characteristic value of a captured picture, and judging whether noise exists in the captured picture according to the characteristic value;
when noise exists in the captured picture, a first control signal is sent to the first driving device to control the camera to turn over relative to the first rotating disc, and a second control signal is sent to the second driving device to control the camera to rotate along with the first rotating disc in a centering mode.
7. An image pickup control device of an image pickup module according to any one of claims 1 to 4, comprising:
the acquisition unit is used for acquiring a captured picture of the camera;
the extraction judging unit is used for extracting the characteristic value of the captured picture and judging whether the captured picture has noise points according to the characteristic value;
and the control unit is used for sending a first control signal to the first driving device to control the camera to overturn relative to the first turntable and sending a second control signal to the second driving device to control the camera to rotate along with the first turntable in the center when noise exists in the captured picture.
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| CN201710005480.4A CN106657747B (en) | 2017-01-04 | 2017-01-04 | Camera module, electronic equipment, camera control method and device |
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| CN201710005480.4A CN106657747B (en) | 2017-01-04 | 2017-01-04 | Camera module, electronic equipment, camera control method and device |
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| US10951825B2 (en) | 2017-05-23 | 2021-03-16 | Huawei Technologies Co., Ltd. | Image photographing method applied to terminal, and terminal device |
| CN108886561B (en) * | 2017-05-23 | 2020-10-16 | 华为技术有限公司 | Image shooting method applied to terminal and terminal equipment |
| CN108322629B (en) * | 2018-02-08 | 2020-06-02 | Oppo广东移动通信有限公司 | Camera assembly and electronic equipment |
| CN108632507A (en) * | 2018-04-03 | 2018-10-09 | 梁嘉明 | Vehicle-mounted pick-up protective device |
| CN108848227A (en) * | 2018-08-31 | 2018-11-20 | 信利光电股份有限公司 | A kind of camera shooting assembly suitable for comprehensive screen mobile phone |
| CN110677567B (en) * | 2019-09-30 | 2020-11-13 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN111998183A (en) * | 2020-08-03 | 2020-11-27 | 孟祥浩 | Intelligent security monitoring device |
| CN114449230A (en) * | 2020-10-30 | 2022-05-06 | 中兴通讯股份有限公司 | Photographing method, photographing device, terminal and computer-readable storage medium |
| CN112291465B (en) * | 2020-11-18 | 2021-09-14 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113701012B (en) * | 2021-10-29 | 2022-01-25 | 上海豪承信息技术有限公司 | Camera head |
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