CN114745499A - Control method and control device for shooting device, shooting device and electronic equipment - Google Patents
Control method and control device for shooting device, shooting device and electronic equipment Download PDFInfo
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- CN114745499A CN114745499A CN202210278504.4A CN202210278504A CN114745499A CN 114745499 A CN114745499 A CN 114745499A CN 202210278504 A CN202210278504 A CN 202210278504A CN 114745499 A CN114745499 A CN 114745499A
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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
- H04N23/60—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
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
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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
- H04N23/60—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
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
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Abstract
The application discloses a control method and device of a shooting device, the shooting device and electronic equipment, and belongs to the technical field of electronic equipment. A method of controlling a camera, comprising: determining target bias data in a bias database, wherein the bias database comprises historical collected data of an inertia detection device; acquiring first sampling data of an optical anti-shake controller; offset cancellation is carried out on the first sampling data through the target offset data; and controlling the driving device to operate according to the first sampling data after the offset is eliminated.
Description
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to a control method and a control device of a shooting device, the shooting device and the electronic equipment.
Background
With the popularization of mobile phones and other intelligent mobile terminal devices, nowadays, people have higher and higher requirements on the photographing and imaging quality of the mobile phones. In the prior art, the bias in the data output by the gyroscope is eliminated by the high-pass filter in the optical anti-shake system, and a low-frequency effective signal can be filtered out at the same time in the elimination process, so that the optical anti-shake system cannot effectively inhibit the low-frequency shake.
Disclosure of Invention
The embodiment of the application aims to provide a control method and a control device for a shooting device, the shooting device and electronic equipment, so that more low-frequency effective signals of an inertia detection device can be reserved in an optical anti-shake process, and further, the optical anti-shake system can effectively inhibit the low-frequency shake of the shooting device.
In a first aspect, an embodiment of the present application provides a control method for a shooting device, where the shooting device includes an optical anti-shake controller, an inertia detection device, and a driving device, and the control method includes: determining target bias data in a bias database, wherein the bias database comprises historical collected data of an inertia detection device; acquiring first sampling data of an optical anti-shake controller; offset cancellation is carried out on the first sampling data through the target offset data; and controlling the driving device to operate according to the first sampling data after the offset is eliminated.
In a second aspect, an embodiment of the present application provides a control device of a shooting device, where the shooting device includes an optical anti-shake controller, an inertia detection device, and a driving device, and the control device includes: the determining module is used for determining target bias data in a bias database, and the bias database comprises historical collected data of the inertia detecting device; the acquisition module is used for acquiring first sampling data of the optical anti-shake controller; the processing module is used for carrying out offset elimination on the first sampling data through the target offset data; and the control module is used for controlling the driving device to operate according to the first sampling data after the offset is eliminated.
In a third aspect, an embodiment of the present application provides a shooting apparatus, including: an inertia detecting device; the inertia detection controller is connected with the inertia detection device; the optical anti-shake controller is connected with the inertia detection device; the storage device is connected with the inertia detection controller and the optical anti-shake controller; and the driving device is connected with the optical anti-shake controller.
In a fourth aspect, embodiments of the present application provide an electronic device, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, where the program or instructions, when executed by the processor, implement the steps of the method according to the first aspect.
In a fifth aspect, the present application provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the control method of the photographing apparatus according to the first aspect.
In a sixth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the control method of the shooting device according to the first aspect.
In a seventh aspect, the present application provides a computer program product, which is stored in a storage medium and executed by at least one processor to implement the control method of the photographing apparatus according to the first aspect.
In the embodiment of the application, when the shooting device is in an operating state, target offset data in the offset database is determined according to working condition parameters of the shooting device, and the target offset data is historical collected data of the inertia detection device. And offset elimination is carried out on the first sampling data of the optical anti-shake controller through the target offset data, so that the offset in the data output by the inertia detection device can be filtered. The operation of the driving device can be accurately controlled through the first sampling data after offset elimination, and the motion of the camera is accurately controlled to eliminate the shake in the shooting process.
According to the embodiment of the application, the offset database is established through historical collected data of the inertia detection device, and target offset data in the offset database is determined according to current working condition parameters of the shooting device. After the first sampling data of the optical anti-shake controller are obtained, the first sampling data are subjected to offset elimination through the target offset data, so that the offset data in the first sampling data output to the optical anti-shake controller by the inertia detection device are eliminated, and meanwhile, effective low-frequency signals in the first sampling data are prevented from being filtered. Therefore, the driving device can be accurately controlled through the first sampling data after offset elimination, so that more low-frequency effective signals of the inertia detection device can be reserved in the optical anti-shake process, and further the optical anti-shake system can effectively inhibit the low-frequency shake of the shooting device.
Drawings
Fig. 1 is a schematic flowchart illustrating a control method of a shooting device according to an embodiment of the present disclosure;
FIG. 2 shows a schematic diagram of a first order linear regression fit curve in an embodiment of the present application;
FIG. 3 shows a schematic diagram of a second order linear regression fit curve in an embodiment of the present application;
FIG. 4 is a schematic diagram of a multiple-order linear regression fit curve in an embodiment of the present application;
fig. 5 is a block diagram illustrating a configuration of a control apparatus of a photographing apparatus according to an embodiment of the present application;
fig. 6 shows one of schematic diagrams of a photographing apparatus provided by an embodiment of the present application;
fig. 7 shows a second schematic diagram of the photographing apparatus provided in the embodiment of the present application;
fig. 8 shows a third schematic diagram of a shooting device provided in the embodiment of the present application;
fig. 9 shows a block diagram of an electronic device provided in an embodiment of the present application;
fig. 10 shows a hardware structure diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes a control method of a shooting device, a control device of a shooting device, an electronic device, and a readable storage medium provided in the embodiments of the present application in detail through specific embodiments and application scenarios thereof with reference to fig. 1 to 10.
The embodiment of the present application provides a control method of a shooting device, which is applied to a shooting device, where the shooting device includes an optical anti-shake controller, an inertia detection device, and a driving device, and fig. 1 shows a flowchart of the control method of the shooting device provided in the embodiment of the present application, and as shown in fig. 1, the control method of the shooting device includes:
wherein the bias database includes historical acquisition data for the inertial detection unit. The inertia detection device comprises an inertia gyroscope, and in the operation process of the shooting device, the inertia detection device can acquire the offset parameters of the camera of the shooting device, and the shooting device can correct the offset parameters. The inertia detection device starts a bias calibration algorithm periodically according to a preset strategy, and calibrates the bias data of the inertia detection device when the bias calibration algorithm is started. And acquiring sampling data of the inertia detection device when the shooting device is in a standby state, and storing the sampling data in a bias database. The bias data in the bias database can reflect the current bias condition of the inertia detection device. Specifically, the offset data is an offset of a parameter acquired by the inertia detection device under the current working condition, and the offset data is influenced by hardware characteristics and a working environment of the inertia detection device. And in the operation process of the inertia detection device, parameters acquired by the inertia detection device are corrected through the bias data. Thus, the offset data can reflect the offset condition of the inertia sensing apparatus.
The offset database also comprises working condition parameters of the shooting device, the working condition parameters and the offset data in the offset database have corresponding relations, the current working condition parameters of the shooting device are collected when the shooting device is in an operating state, and the target offset data in the offset database is determined according to the current working condition parameters.
Illustratively, the bias data in the bias database includes, but is not limited to, tri-axial acceleration data, tri-axial gyroscope data, and the operating condition parameters include, but are not limited to, temperature data. And storing the triaxial acceleration data, the triaxial gyroscope data and the temperature data according to a mapping relation. When the shooting device is in an operating state, the current temperature data is collected, and target offset data can be determined according to the temperature data.
104, acquiring first sampling data of the optical anti-shake controller;
the shooting device has an Optical Image Stabilization (OIS) function, signals collected by the inertia detection device are filtered and then transmitted to the Optical stabilization controller, and data received by the Optical stabilization controller are first sampling data.
Under the condition that the shooting device is in an operating state, first sampling data in the optical anti-shake controller are obtained, and the data are current sampling data acquired by the inertia detection device, namely the first sampling data.
106, carrying out offset elimination on the first sampling data through the target offset data;
specifically, the target offset data is determined according to the current working condition parameters of the shooting device, so that offset elimination can be performed on the currently acquired first sampling data through the target offset data, and the offset-eliminated first sampling data can retain more low-frequency effective signals output by the inertia detection device, so that the optical anti-shake system can effectively suppress low-frequency shake.
It is worth noting that the low frequency signal is a signal less than 2 Hz.
And step 108, controlling the driving device to operate according to the first sampling data after the offset is eliminated.
The driving device is selected as a motor, and the motor can drive the camera to move according to the first sampling data after offset elimination, so that jitter is eliminated.
In the embodiment of the application, when the shooting device is in an operating state, target offset data in the offset database is determined according to working condition parameters of the shooting device, and the target offset data is historical collected data of the inertia detection device. And offset elimination is carried out on the first sampling data of the optical anti-shake controller through the target offset data, so that the offset in the data output by the inertia detection device can be filtered. The operation of the driving device can be accurately controlled through the first sampling data after offset elimination, and the motion of the camera is accurately controlled to eliminate the shake in the shooting process.
Note that the photographing device includes a mobile phone, a camera, a video camera, and the like.
In the related art, a large amount of offset data remains in data output from a gyroscope in an optical anti-shake system of a photographing apparatus, and a high-pass filter is used for eliminating the offset data. However, in the process of eliminating the offset data by the high-pass filter, part of effective low-frequency signals are also filtered, so that the optical anti-shake system cannot effectively suppress the low-frequency shake.
According to the embodiment of the application, the offset database is established through historical collected data of the inertia detection device, and target offset data in the offset database is determined according to current working condition parameters of the shooting device. After the first sampling data of the optical anti-shake controller are obtained, the first sampling data are subjected to offset elimination through the target offset data, so that the offset data in the first sampling data output to the optical anti-shake controller by the inertia detection device are eliminated, and meanwhile, effective low-frequency signals in the first sampling data are prevented from being filtered. Therefore, the driving device can be accurately controlled through the first sampling data after offset elimination, so that more low-frequency effective signals of the inertia detection device can be reserved in the optical anti-shake process, and further the optical anti-shake system can effectively inhibit the low-frequency shake of the shooting device.
In some embodiments of the present application, determining target bias data in a bias database comprises: acquiring first temperature data of a shooting device; target bias data is determined based on the first temperature data and the bias database.
In the embodiment of the application, the shooting device further comprises a temperature acquisition device, and the temperature acquisition device can be integrally arranged in the inertia detection device. The bias database stores bias data and temperature data, and the temperature data and the bias data have an association relationship. The temperature acquisition device can acquire first temperature data of the shooting device in the running process of the shooting device, and target offset data in the offset database can be determined according to the first temperature data and the incidence relation stored in the offset database.
Specifically, the data bias generated by the inertia detection device in the data acquisition process is related to the working condition state of the shooting device. Wherein the operating condition state comprises the temperature of the shooting device. Therefore, the temperature data and the bias data are correlated in the process of establishing the bias database. In the operation process of the shooting device, the temperature acquisition device is used for acquiring first temperature data of the shooting device, and target offset data can be accurately searched according to the first temperature data.
According to the method and the device, the target offset data in the offset database is determined according to the first temperature data collected in the operation process of the shooting device, the found target offset data is ensured to be consistent with the current temperature of the shooting device, and the effect of accurately finding the target offset data in the offset database is achieved.
In some embodiments of the present application, determining target bias data based on the first temperature data and the bias database, the determining target bias data comprising:
under the condition that the first temperature data are stored in the offset database, searching corresponding target offset data according to the corresponding relation;
under the condition that the first temperature data are not stored in the offset database, temperature range data are searched according to the first temperature data, and the temperature range data are data corresponding to the temperature range of the first temperature data in the offset database; and determining target offset data according to the temperature data in the temperature range data and the corresponding offset data.
It can be understood that, in order to ensure the accuracy of the offset data in the offset database, the actual historical collected data collected by the inertia detection device and the temperature data corresponding to the historical collected data are stored in the offset database during the process of establishing the offset database.
In the embodiment of the application, in the running process of the shooting device, first temperature data of the shooting device is collected, and the collected first temperature data is searched in the offset database.
And under the condition that the first temperature data is found in the offset database, taking the offset data corresponding to the first temperature data in the offset database as target offset data. Because the bias data and the temperature data stored in the bias database are both real historical collected data of the inertia detection device, the accuracy of the target bias data searched and obtained according to the first temperature data is higher.
Under the condition that the first temperature data is not found in the offset database, the temperature range data in the offset database can be found according to the first temperature data, and the first temperature data is ensured to be in the temperature range data. Specifically, the maximum temperature data in the temperature range data is temperature data larger than the first temperature data in the bias database, and the minimum temperature data in the temperature range data is temperature data smaller than the first temperature data in the bias database.
FIG. 2 is a schematic diagram of a first order linear regression fit curve in an embodiment of the present application, FIG. 3 is a schematic diagram of a second order linear regression fit curve in an embodiment of the present application, and FIG. 4 is a schematic diagram of a multiple order linear regression fit curve in an embodiment of the present application.
As shown in fig. 2, 3 and 4, the target offset data can be determined based on the obtained temperature range data and the offset data corresponding to the temperature data in the temperature range data. Specifically, the first-order linear regression calculation may be performed on the temperature data in the temperature range data and the corresponding bias data, so as to obtain the target bias data corresponding to the first temperature data. And optionally, performing second-order or multi-order linear regression calculation on the plurality of temperature data in the temperature range data and the plurality of corresponding offset data to obtain target offset data corresponding to the first temperature data.
In some embodiments, the bias data in the bias database includes three-axis gyroscope data, and corresponding temperature data, and the bias data and the temperature data are stored in a table format.
Specifically, the results are shown in Table 1.
TABLE 1
Wherein GX _ Offset is X-axis gyroscope data, GY _ Offset is Y-axis gyroscope data, and GZ _ Offset is Z-axis gyroscope data.
It should be noted that the table may further store three-axis acceleration data, and the three-axis acceleration data and the temperature data are stored in a corresponding relationship, so that the corresponding three-axis acceleration data and the corresponding three-axis gyroscope data can be found through the temperature data. The temperature variation characteristics of the triaxial acceleration data of different inertia detection devices are different under the influence of production process tolerance.
The temperature data and the bias data are stored according to the incidence relation between the temperature data and the bias data, so that the target bias data in the bias database can be conveniently searched according to the first temperature data.
In the embodiment of the application, under the condition that the first temperature data is obtained, the first temperature data is searched in the offset database. And under the condition that the offset data corresponding to the first temperature data is found, the offset data is used as target offset data, and under the condition that the first temperature data is not found, the target offset data is obtained through calculation of the temperature range data corresponding to the first temperature data and the corresponding offset data. The target offset data corresponds to the first temperature data acquired in the running process of the shooting device, and the accuracy of the determined target temperature data is improved.
In some embodiments of the present application, the camera further includes an inertia detection controller, and the inertia detection controller is connected to the inertia detection device.
Before determining the target bias data in the bias database, the method further comprises the following steps: acquiring second sampling data of the inertia detection controller; acquiring second temperature data of the shooting device under the condition that the current posture of the shooting device is in a preset posture; and establishing an offset database according to the second temperature data and second sampling data corresponding to the second temperature data.
When the shooting device is in a standby state, namely the shooting device does not start to operate, the inertia detection device continuously sends the second sampling data to the inertia detection controller. The inertia detection device is connected with the inertia detection controller, and the second sampling data are the sampling data transmitted to the inertia detection controller by the inertia detection device. Filtering is performed through a filter before being transmitted to the inertia detection controller.
It should be noted that, when the shooting device is a portable intelligent terminal such as a mobile phone, the second sampling data is used to control the operation of the mobile phone, specifically, in the process of operating other application programs by the mobile phone, the mobile phone operates according to the second sampling data, for example: running a game program, running a map program, etc.
The shooting device is in the motion in-process, and when the user carried the shooting device, inertia detection device can continuously gather the second sampled data to with second sampled data transmission to inertia detection controller, because the shooting device is in motion state this moment, the second sampled data that so the collection are associated with the running state of shooting device.
In the embodiment of the application, before the collected second sampling data is stored in the offset database, it is required to determine whether the current posture of the shooting device is in a preset posture, where the preset posture is that the shooting device is in a static state. And when the shooting device is in a static state, the second sampling data acquired by the inertia detection device is the bias data of the inertia detection device, and the bias data is related to the ambient temperature of the shooting device, so that the second temperature data is acquired when the shooting device is detected to be in the static state. And establishing an incidence relation between second temperature data acquired by the shooting device in a static state and second sampling data, and storing the second database and the second sampling data in the offset database according to the incidence relation to complete the establishment of the offset database.
It is worth mentioning that the temperature change characteristic of the offset data changes along with the use of the inertia detection device, and the second temperature data and the second sampling data are continuously collected when the shooting device is in a standby state or a stop operation state, so that the corresponding relation between the offset data in the offset database and the temperature is kept updated, and the accuracy of offset elimination in the shooting process is improved.
It should be noted that the offset database is established in the standby state of the camera, that is, the inertia detection apparatus continuously collects and transmits the second sampling data to the inertia detection controller in the standby state of the camera.
In some possible embodiments, the inertial detection device is capable of acquiring the second sample data in real time.
In other possible embodiments, the inertia detection device may be configured to collect the second sample data according to a preset rule, that is, every preset time interval, the second sample data is collected accordingly.
It will be appreciated that the second sampled data includes the acquired three-axis acceleration data, as well as the three-axis gyroscope data.
In the embodiment of the application, when the shooting device is in a standby state, the inertia detection device continuously collects the second sampling data and transmits the second sampling data to the inertia detection controller, the inertia detection controller monitors the posture of the shooting device according to the second sampling data, and under the condition that the posture of the shooting device is a preset posture, the current second sampling data and corresponding temperature data are recorded, so that the offset database is established and continuously updated under the standby state of the shooting device.
In some embodiments of the present application, in a case that a current posture of the photographing device is in a preset posture, before acquiring the second temperature data of the photographing device, the method further includes: and determining the current posture of the shooting device according to the second sampling data.
In the embodiment of the present application, the second sampling data includes, but is not limited to, triaxial acceleration data of the photographing device, and triaxial gyroscope data, so that the current posture of the photographing device can be monitored according to the collected second sampling data.
Specifically, the shooting device is selected as a mobile phone, the inertia detection device is arranged in the mobile phone, and the inertia detection device in the mobile phone continuously collects second sampling data under the condition that the shooting function of the mobile phone is not started. The mobile phone can determine the current posture of the mobile phone according to the collected second sampling data.
According to the embodiment of the application, the current posture of the shooting device is monitored according to the second sampling data collected by the inertia detection device, the shooting device can judge whether the shooting device is in the preset posture or not according to the second sampling data, and the offset database can be established according to the second sampling data when the shooting device is in the preset posture.
In some embodiments of the present application, the inertial detection unit includes an acceleration detection unit and a gyroscope, and the target bias data includes one or a combination of: three-axis acceleration data, three-axis gyroscope data.
In an embodiment of the present application, the inertia detection means includes deceleration detection means for detecting acceleration data, and a gyroscope for detecting three-axis gyroscope data. It is understood that the three-axis gyroscope data is pose data of the camera. Namely, the posture of the shooting device can be determined according to the three-axis gyroscope data, and the motion state of the shooting device can be determined according to the three-axis acceleration data.
It is worth to be noted that the bias data in the bias database is acquired by the inertia detection device, and therefore, the bias data in the bias database are all triaxial acceleration data and triaxial gyroscope data.
According to the control method of the shooting device provided by the embodiment of the application, the execution main body can be the control device of the shooting device. In the embodiment of the present application, a method for controlling a photographing apparatus by a control apparatus of the photographing apparatus is taken as an example, and an apparatus for controlling the photographing apparatus provided in the embodiment of the present application is described.
In some embodiments of the present application, a control apparatus of a photographing apparatus is provided, and fig. 5 shows a block diagram of a control apparatus of a photographing apparatus provided in an embodiment of the present application, and as shown in fig. 5, the control apparatus 500 of a photographing apparatus includes:
a determining module 502, configured to determine target bias data in a bias database, where the bias database includes historical collected data of the inertial detection device;
an obtaining module 504, configured to obtain first sampling data of the optical anti-shake controller;
a processing module 506, configured to perform offset cancellation on the first sample data through the target offset data;
and the control module 508 is configured to control the operation of the driving apparatus according to the first sampling data after the offset cancellation.
In the embodiment of the application, when the shooting device is in an operating state, target offset data in the offset database is determined according to working condition parameters of the shooting device, and the target offset data is historical collected data of the inertia detection device. And offset elimination is carried out on the first sampling data of the optical anti-shake controller through the target offset data, so that the offset in the data output by the inertia detection device can be filtered. The operation of the driving device can be accurately controlled through the first sampling data after offset elimination, and the motion of the camera is accurately controlled to eliminate the shake in the shooting process.
Note that the photographing device includes a mobile phone, a camera, a video camera, and the like.
In the related art, a large amount of offset data remains in data output from a gyroscope in an optical anti-shake system of a photographing apparatus, and a high-pass filter is used for eliminating the offset data. However, in the process of eliminating the offset data by the high-pass filter, part of effective low-frequency signals are also filtered, so that the optical anti-shake system cannot effectively suppress the low-frequency shake.
According to the embodiment of the application, the offset database is established through historical collected data of the inertia detection device, and target offset data in the offset database is determined according to current working condition parameters of the shooting device. After the first sampling data of the optical anti-shake controller are obtained, the first sampling data are subjected to offset elimination through the target offset data, so that the offset data in the first sampling data output to the optical anti-shake controller by the inertia detection device are eliminated, and meanwhile, effective low-frequency signals in the first sampling data are prevented from being filtered. Therefore, the driving device can be accurately controlled through the first sampling data after offset elimination, so that more low-frequency effective signals of the inertia detection device can be reserved in the optical anti-shake process, and further the optical anti-shake system can effectively inhibit the low-frequency shake of the shooting device.
In some embodiments of the present application, the obtaining module 504 is further configured to obtain first temperature data of the camera;
the determining module 502 is further configured to determine target bias data according to the first temperature data and the bias database.
According to the method and the device, the target offset data in the offset database is determined according to the first temperature data collected in the operation process of the shooting device, the found target offset data is ensured to be consistent with the current temperature of the shooting device, and the effect of accurately finding the target offset data in the offset database is achieved.
In some embodiments of the present application, the control device of the photographing device further includes:
the searching module is used for searching corresponding target offset data according to the corresponding relation under the condition that the first temperature data is stored in the offset database;
the searching module is further used for searching temperature range data according to the first temperature data under the condition that the first temperature data is not stored in the offset database, wherein the temperature range data is data corresponding to the temperature range of the first temperature data in the offset database;
the determining module 502 is further configured to determine target offset data according to the temperature data in the temperature range data and the corresponding offset data.
In the embodiment of the application, under the condition that the first temperature data is obtained, the first temperature data is searched in the offset database. And under the condition that the offset data corresponding to the first temperature data is found, the offset data is used as target offset data, and under the condition that the first temperature data is not found, the target offset data is obtained through calculation of the temperature range data corresponding to the first temperature data and the corresponding offset data. The target offset data corresponds to the first temperature data acquired in the running process of the shooting device, and the accuracy of the determined target temperature data is improved.
In some embodiments of the present application, the camera further includes an inertia detection controller, and the inertia detection controller is connected to the inertia detection device.
The acquisition module is also used for acquiring second sampling data of the inertia detection controller;
the obtaining module 504 is further configured to obtain second temperature data of the shooting device when the current posture of the shooting device is in a preset posture;
the control device of the photographing device further includes:
and the establishing module is used for establishing an offset database according to the second temperature data and second sampling data corresponding to the second temperature data.
In the embodiment of the application, when the shooting device is in a standby state, the inertia detection device continuously collects the second sampling data and transmits the second sampling data to the inertia detection controller, the inertia detection controller monitors the posture of the shooting device according to the second sampling data, and under the condition that the posture of the shooting device is a preset posture, the current second sampling data and corresponding temperature data are recorded, so that the offset database is established and continuously updated in the standby state of the shooting device.
In some embodiments of the present application, the determining module 502 is configured to determine a current pose of the camera according to the second sampled data.
According to the embodiment of the application, the current posture of the shooting device is monitored according to the second sampling data collected by the inertia detection device, the shooting device can judge whether the shooting device is in the preset posture or not according to the second sampling data, and the offset database can be established according to the second sampling data when the shooting device is in the preset posture.
In some embodiments of the present application, the inertial detection unit includes an acceleration detection unit and a gyroscope, and the target bias data includes one or a combination of: three-axis acceleration data, three-axis gyroscope data.
In an embodiment of the present application, the inertia detection means includes deceleration detection means for detecting acceleration data, and a gyroscope for detecting three-axis gyroscope data. It is understood that the three-axis gyroscope data is pose data of the camera. Namely, the posture of the shooting device can be determined according to the three-axis gyroscope data, and the motion state of the shooting device can be determined according to the three-axis acceleration data.
It should be noted that the bias data in the bias database is acquired by the inertia detection device, and therefore, the bias data in the bias database are all triaxial acceleration data and triaxial gyroscope data.
The control device of the photographing device in the embodiment of the present application may be an electronic device, or may be a component in the electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal, or may be a device other than a terminal. The electronic Device may be, for example, a Mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic Device, a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) Device, a robot, a wearable Device, an ultra-Mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and may also be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
The control device of the photographing device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system (Android), an iOS operating system, or other possible operating systems, which is not specifically limited in the embodiments of the present application.
The control device of the shooting device provided in the embodiment of the present application can implement each process implemented by the above method embodiment, and is not described here again to avoid repetition.
In some embodiments of the present application, a camera is provided, and fig. 6 shows one of schematic diagrams of a camera 600 provided in embodiments of the present application, and as shown in fig. 6, the camera 600 includes: an inertia detection device 604, an inertia detection controller 606, an optical anti-shake controller 608, a storage device 610, and a drive device 612.
The inertia detection controller 606 is connected to the inertia detection device 604, the optical anti-shake controller 608 is connected to the inertia detection device 604, the storage device 610 is connected to the inertia detection controller 606 and the optical anti-shake controller 608, and the driving device 612 is connected to the optical anti-shake controller 608.
In the embodiment of the application, the shooting device is a shooting device with an optical anti-shake function, and specifically can be a mobile phone, a camera, a video camera and the like. The shooting device further comprises a camera, the camera is connected with the driving device 612, and the driving device 612 can drive the camera to move.
Specifically, during the shooting process, the inertia detection device 604 can collect first sampling data that the shooting device can transmit to the optical anti-shake controller 608, the second sampling data can reflect the current posture of the shooting device, and the optical anti-shake controller 608 can control the operation of the driving device 612 according to the received first sampling data. Before controlling the operation of the driving device 612 according to the first sample data, the optical anti-shake controller 608 can receive the target offset data from the storage device 610, and the optical anti-shake controller 608 can perform offset cancellation on the first sample data according to the target offset data in the offset database stored in the storage device 610. The optical anti-shake controller 608 controls the driving device 612 to drive the operation of the camera according to the first sampling data after the offset cancellation.
According to the embodiment of the application, a bias database is established through historical collected data of the inertia detection device 604, and target bias data in the bias database is determined according to current working condition parameters of the shooting device. After the first sampling data of the optical anti-shake controller 608 is obtained, the first sampling data is offset-cancelled by the target offset data, so that the offset data in the first sampling data output to the optical anti-shake controller 608 by the inertia detection device 604 is cancelled, and meanwhile, the filtering of effective low-frequency signals in the first sampling data is avoided. Therefore, the driving device 612 can be accurately controlled by the first sampling data after offset cancellation, so that more low-frequency effective signals of the inertia detection device 604 can be retained in the optical anti-shake process, and further the optical anti-shake system can effectively suppress the low-frequency shake of the shooting device.
As shown in fig. 6, the inertia detection controller 606 and the storage device 610 are integrally provided on the circuit board, and the optical anti-shake controller 608, the inertia detection device 604, and the driving device 612 are separately provided.
Fig. 7 shows a second schematic diagram of the camera 600 provided in the embodiment of the present application, as shown in fig. 7, in some embodiments of the present application, the optical anti-shake controller 608, the inertia detection controller 606, and the storage device 610 are integrally disposed on a circuit board. The inertia detecting means 604 and the driving means 612 are provided separately.
Fig. 8 shows a third schematic diagram of a camera 600 provided in an embodiment of the present application, and as shown in fig. 7, in some embodiments of the present application, an inertia detection controller 606 and a storage device 610 are integrally disposed on a circuit board, and an optical anti-shake controller 608 is integrally disposed in a driving device 612.
In some embodiments of the present application, the photographing apparatus 600 further includes: a first filter and a second filter.
Wherein the first filter is disposed between the inertia detecting device 604 and the inertia detecting controller 606 for filtering the signal of the second sampling data transmitted to the inertia detecting controller 606. The second filter is disposed between the inertia detecting device 604 and the optical anti-shake controller 608, and is used for filtering the signal of the first sampling data transmitted to the optical anti-shake controller 608.
It should be noted that the first sampling data is the sampling data filtered by the second filter, and the first sampling data is transmitted to the optical anti-shake controller 608 to control the driving device, so as to implement the anti-shake function of the shooting device. The second sampling data is the sampling data filtered by the first filter, and the second sampling data is transmitted to the inertia detection controller 606 for controlling the operation of other functions (non-shooting functions) of the shooting device 600.
Optionally, an electronic device is further provided in an embodiment of the present application, fig. 9 shows a block diagram of a structure of the electronic device according to the embodiment of the present application, as shown in fig. 9, an electronic device 900 includes a processor 902 and a memory 904, where a program or an instruction that can be executed on the processor 902 is stored in the memory 904, and when the program or the instruction is executed by the processor 902, the steps of the embodiment of the method are implemented, and the same technical effect can be achieved, and details are not repeated here to avoid repetition.
It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic device and the non-mobile electronic device described above.
Fig. 10 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010.
Those skilled in the art will appreciate that the electronic device 1000 may further comprise a power supply (e.g., a battery) for supplying power to the various components, and the power supply may be connected to the processor 1010 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system. The electronic device structure shown in fig. 10 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
The processor 1010 is configured to determine target bias data in a bias database, where the bias database includes historical collected data of the inertial detection device;
a processor 1010 for obtaining first sampling data of the optical anti-shake controller;
a processor 1010 for performing offset cancellation on the first sample data by the target offset data;
a processor 1010 for controlling the operation of the driving device according to the first sampling data after the offset cancellation
According to the embodiment of the application, the offset database is established through historical collected data of the inertia detection device, and target offset data in the offset database is determined according to current working condition parameters of the shooting device. After the first sampling data of the optical anti-shake controller are obtained, the first sampling data are subjected to offset elimination through the target offset data, so that the offset data in the first sampling data output to the optical anti-shake controller by the inertia detection device are eliminated, and meanwhile, effective low-frequency signals in the first sampling data are prevented from being filtered. Therefore, the driving device can be accurately controlled through the first sampling data after offset elimination, so that more low-frequency effective signals of the inertia detection device can be reserved in the optical anti-shake process, and further the optical anti-shake system can effectively inhibit the low-frequency shake of the shooting device.
Further, the processor 1010 is configured to obtain first temperature data of the camera;
a processor 1010 configured to determine target bias data based on the first temperature data and the bias database.
According to the method and the device, the target offset data in the offset database is determined according to the first temperature data collected in the operation process of the shooting device, the found target offset data is ensured to be consistent with the current temperature of the shooting device, and the effect of accurately finding the target offset data in the offset database is achieved.
Further, the processor 1010 is configured to, in a case that the first temperature data is stored in the offset database, search for corresponding target offset data according to the corresponding relationship;
the processor 1010 is configured to search temperature range data according to the first temperature data when the first temperature data is not stored in the offset database, where the temperature range data is data corresponding to a temperature range of the first temperature data in the offset database;
a processor 1010 configured to determine target offset data according to the temperature data in the temperature range data and the corresponding offset data.
In the embodiment of the application, under the condition that the first temperature data is obtained, the first temperature data is searched in the offset database. And under the condition that the offset data corresponding to the first temperature data is found, the offset data is used as target offset data, and under the condition that the first temperature data is not found, the target offset data is obtained through calculation of the temperature range data corresponding to the first temperature data and the corresponding offset data. The target offset data corresponds to the first temperature data acquired in the running process of the shooting device, and the accuracy of the determined target temperature data is improved.
Furthermore, the shooting device also comprises an inertia detection controller, and the inertia detection controller is connected with the inertia detection device.
A processor 1010 for obtaining second sampled data of the inertial detection controller;
the processor 1010 is configured to acquire second temperature data of the shooting device when the current posture of the shooting device is in a preset posture;
and a processor 1010 configured to establish an offset database according to the second temperature data and second sampling data corresponding to the second temperature data.
In the embodiment of the application, when the shooting device is in a standby state, the inertia detection device continuously collects the second sampling data and transmits the second sampling data to the inertia detection controller, the inertia detection controller monitors the posture of the shooting device according to the second sampling data, and under the condition that the posture of the shooting device is a preset posture, the current second sampling data and corresponding temperature data are recorded, so that the offset database is established and continuously updated in the standby state of the shooting device.
Further, the processor 1010 is configured to determine a current posture of the camera according to the second sampling data.
According to the embodiment of the application, the current posture of the shooting device is monitored according to the second sampling data acquired by the inertia detection device, so that the shooting device can judge whether the shooting device is in the preset posture or not according to the second sampling data, and can establish a bias database according to the second sampling data when the shooting device is in the preset posture.
Further, the inertia detecting means includes an acceleration detecting means and a gyroscope, and the target bias data includes one or a combination of: three-axis acceleration data, three-axis gyroscope data.
The inertia detecting means includes deceleration detecting means for detecting acceleration data, and a gyroscope for detecting three-axis gyroscope data. It is understood that the three-axis gyroscope data is pose data of the camera. Namely, the posture of the shooting device can be determined according to the three-axis gyroscope data, and the motion state of the shooting device can be determined according to the three-axis acceleration data.
It is worth to be noted that the bias data in the bias database is acquired by the inertia detection device, and therefore, the bias data in the bias database are all triaxial acceleration data and triaxial gyroscope data.
It should be understood that in the embodiment of the present application, the input Unit 1004 may include a Graphics Processing Unit (GPU) 10041 and a microphone 10042, and the Graphics Processing Unit 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
The memory 1009 may be used to store software programs as well as various data. The memory 1009 may mainly include a first storage area storing a program or an instruction and a second storage area storing data, wherein the first storage area may store an operating system, an application program or an instruction (such as a sound playing function, an image playing function, and the like) required for at least one function, and the like. Further, the memory 1009 may include volatile memory or nonvolatile memory, or the memory 1009 may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM), a Static Random Access Memory (Static RAM, SRAM), a Dynamic Random Access Memory (Dynamic RAM, DRAM), a Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), a Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, ddr SDRAM), an Enhanced Synchronous SDRAM (ESDRAM), a Synchronous Link DRAM (SLDRAM), and a Direct Memory bus RAM (DRRAM). The memory 1009 in the embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the control method embodiment of the shooting device, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device in the above embodiment. Readable storage media, including computer readable storage media such as computer read only memory ROM, random access memory RAM, magnetic or optical disks, and the like.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the control method embodiment of the above-mentioned shooting device, and can achieve the same technical effect, and in order to avoid repetition, the description is omitted here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
Embodiments of the present application provide a computer program product, where the program product is stored in a storage medium, and the program product is executed by at least one processor to implement the processes of the foregoing control method for a shooting device, and can achieve the same technical effects, and in order to avoid repetition, details are not repeated here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element identified by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method of the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A control method of a photographing apparatus including an optical anti-shake controller, an inertia detection apparatus, and a driving apparatus, the control method comprising:
determining target bias data in a bias database, the bias database comprising historical collected data of the inertial detection device;
acquiring first sampling data of the optical anti-shake controller;
offset canceling the first sample data by the target offset data;
and controlling the driving device to operate according to the first sampling data after the offset is eliminated.
2. The method of controlling a camera according to claim 1, wherein the determining target bias data in a bias database includes:
acquiring first temperature data of the shooting device;
and determining the target bias data according to the first temperature data and the bias database.
3. The method of controlling a camera according to claim 2, wherein the determining the target bias data based on the first temperature data and the bias database, and the determining the target bias data includes:
under the condition that the first temperature data are stored in a bias database, searching the corresponding target bias data according to the corresponding relation;
under the condition that the first temperature data are not stored in the offset database, temperature range data are searched according to the first temperature data, wherein the temperature range data are data corresponding to the temperature range of the first temperature data in the offset database;
and determining the target offset data according to the temperature data in the temperature range data and the corresponding offset data.
4. The method of controlling a camera according to any one of claims 1 to 3, wherein the camera further includes an inertia detection controller, and before determining the target bias data in the bias database, the method further includes:
acquiring second sampling data of the inertia detection controller;
acquiring second temperature data of the shooting device under the condition that the current posture of the shooting device is in a preset posture;
and establishing the bias database according to the second temperature data and the second sampling data corresponding to the second temperature data.
5. The method according to claim 4, wherein before acquiring the second temperature data of the photographing apparatus in a case where the current posture of the photographing apparatus is in a preset posture, the method further comprises:
and determining the current posture of the shooting device according to the second sampling data.
6. The method of controlling a photographing apparatus according to any one of claims 1 to 3, wherein the inertia detection means includes an acceleration detection means and a gyroscope,
the target bias data comprises one or a combination of: three-axis acceleration data, three-axis gyroscope data.
7. A control device of a photographing device, the photographing device including an optical anti-shake controller, an inertia detection device, and a driving device, the control device comprising:
the determining module is used for determining target bias data in a bias database, and the bias database comprises historical collected data of the inertia detecting device;
the acquisition module is used for acquiring first sampling data of the optical anti-shake controller;
the processing module is used for carrying out offset elimination on the first sampling data through the target offset data;
and the control module is used for controlling the driving device to operate according to the first sampling data after the offset is eliminated.
8. A camera, comprising:
an inertia detecting device;
the inertia detection controller is connected with the inertia detection device;
the optical anti-shake controller is connected with the inertia detection device;
the storage device is connected with the inertia detection controller and the optical anti-shake controller;
and the driving device is connected with the optical anti-shake controller.
9. The imaging apparatus according to claim 8, further comprising:
a first filter disposed between the inertia detection apparatus and the inertia detection controller;
and the second filter is arranged between the inertia detection device and the optical anti-shake controller.
10. An electronic device, comprising:
a memory having a program or instructions stored thereon;
a processor for implementing the steps of the control method of the photographing apparatus according to any one of claims 1 to 6 when executing the program or instructions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210278504.4A CN114745499A (en) | 2022-03-21 | 2022-03-21 | Control method and control device for shooting device, shooting device and electronic equipment |
| PCT/CN2023/081787 WO2023179440A1 (en) | 2022-03-21 | 2023-03-16 | Shooting apparatus control method and apparatus, shooting apparatus and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210278504.4A CN114745499A (en) | 2022-03-21 | 2022-03-21 | Control method and control device for shooting device, shooting device and electronic equipment |
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| CN114745499A true CN114745499A (en) | 2022-07-12 |
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| CN202210278504.4A Pending CN114745499A (en) | 2022-03-21 | 2022-03-21 | Control method and control device for shooting device, shooting device and electronic equipment |
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| WO (1) | WO2023179440A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| WO2023179440A1 (en) * | 2022-03-21 | 2023-09-28 | 维沃移动通信有限公司 | Shooting apparatus control method and apparatus, shooting apparatus and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108337381B (en) * | 2018-03-14 | 2019-11-19 | 维沃移动通信有限公司 | A kind of lens control method and mobile terminal |
| CN108737735B (en) * | 2018-06-15 | 2019-09-17 | Oppo广东移动通信有限公司 | Method for correcting image, electronic equipment and computer readable storage medium |
| US11290650B2 (en) * | 2019-07-04 | 2022-03-29 | Canon Kabushiki Kaisha | Image blur information acquisition apparatus and method, and storage medium |
| CN111711756A (en) * | 2020-06-28 | 2020-09-25 | Oppo广东移动通信有限公司 | Image anti-shake method, electronic equipment and storage medium |
| CN112911110B (en) * | 2021-01-21 | 2022-08-26 | 维沃移动通信有限公司 | Optical anti-shake control method and device for camera module and electronic equipment |
| CN114745499A (en) * | 2022-03-21 | 2022-07-12 | 维沃移动通信有限公司 | Control method and control device for shooting device, shooting device and electronic equipment |
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- 2022-03-21 CN CN202210278504.4A patent/CN114745499A/en active Pending
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- 2023-03-16 WO PCT/CN2023/081787 patent/WO2023179440A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179440A1 (en) * | 2022-03-21 | 2023-09-28 | 维沃移动通信有限公司 | Shooting apparatus control method and apparatus, shooting apparatus and electronic device |
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