CN114430458A - Anti-shake data acquisition method, anti-shake data acquisition apparatus, and storage medium - Google Patents
Anti-shake data acquisition method, anti-shake data acquisition apparatus, and storage medium Download PDFInfo
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- H—ELECTRICITY
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- 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
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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 present disclosure relates to an anti-shake data acquisition method, an anti-shake data acquisition apparatus, and a storage medium. An anti-shake data acquisition method applied to a terminal, the terminal comprising a plurality of optical image stabilizers, the anti-shake data acquisition method comprising: the status of a communication bus of a plurality of optical image stabilizers is monitored. And controlling the optical image stabilizers to synchronously acquire the anti-shake data in response to determining the state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state. Through the anti-shake data acquisition method provided by the disclosure, each optical image stabilizer can be controlled to synchronously acquire anti-shake data according to the communication bus condition of each optical image stabilizer, so that the anti-shake data acquired by each optical image stabilizer is ensured to be the same, the offset accuracy of the correction terminal during shooting is improved, the picture quality is improved, and the use experience of a user is improved.
Description
Technical Field
The present disclosure relates to the field of data processing technologies, and in particular, to an anti-shake data obtaining method, an anti-shake data obtaining apparatus, and a storage medium.
Background
In the shooting process, if the obtained shot picture is not clear enough and has double images or fuzzy situations, except that the camera cannot be focused normally in the shooting process, the camera shakes during the shooting process.
With the development of terminal equipment, in order to avoid the phenomenon that a user holds a terminal unstably and shakes a lens to cause unclear shooting pictures in the shooting process by using the terminal, an Optical Image Stabilizer (OIS) is utilized to correct the Optical axis offset of the camera according to a floating lens of the lens, so that the Image blurring phenomenon of the camera caused by vibration is overcome.
In the related art, in order to improve the anti-shake capability of the terminal, a plurality of optical image stabilizers are adopted in the terminal to acquire anti-shake data for correction. However, in the correction process, since manufacturers of a plurality of optical image stabilizers configured for the terminal are different, when acquiring jitter data of the terminal, the anti-jitter data acquired between the optical image stabilizers may not be identical, and thus, when performing correction, it is easy to cause unsatisfactory improvement of picture quality, which affects user experience.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides an anti-shake data acquisition method, an anti-shake data acquisition apparatus, and a storage medium.
According to a first aspect of the embodiments of the present disclosure, there is provided an anti-shake data acquisition method applied to a terminal, the terminal including a plurality of optical image stabilizers, the anti-shake data acquisition method including: monitoring a communication bus state of the plurality of optical image stabilizers. And controlling each optical image stabilizer to synchronously acquire anti-shake data in response to determining the state synchronization of the plurality of optical image stabilizers for acquiring anti-shake data based on the communication bus state.
In an embodiment, the terminal includes a first memory and a second memory, and the anti-shake data obtaining method further includes: storing anti-shake data to the first memory. And in response to the anti-shake data stored in the first memory being full, updating and storing the anti-shake data stored in the first memory to the second memory. The controlling each optical image stabilizer to synchronously acquire anti-shake data comprises: and controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
In another embodiment, the anti-shake data acquisition method further includes: and when the optical image stabilizers are controlled to synchronously acquire anti-shake data, updating and storing the anti-shake data stored in the first memory into the second memory, and interrupting the updating and storing.
In yet another embodiment, the anti-shake data acquisition method further includes: setting a transfer-allowed flag in response to the first memory storing full anti-shake data. The controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory comprises: and based on the transmission permission flag, starting to control each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
In yet another embodiment, a plurality of the anti-shake data registered full in the first memory is determined based on monitoring for a specified period of time.
In yet another embodiment, the determining the state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state includes: and if the state of each communication bus of the optical image stabilizers is monitored to be corresponding to a chip selection idle state, determining the state synchronization of the optical image stabilizers for acquiring anti-shake data.
In a further embodiment, the chip select idle state corresponding to each of the optical image stabilizers is determined based on the operating mode corresponding to each of the optical image stabilizers.
In yet another embodiment, the anti-shake data includes: acceleration data of the terminal and gravity angular velocity data of the terminal. The storing anti-shake data to the first memory includes: and the acceleration data is identified through a first specified identifier and then stored in a first storage space of the first storage, and the gravity angular velocity data is identified through a second specified identifier and then stored in a second storage space of the first storage.
According to a second aspect of the embodiments of the present disclosure, there is provided an anti-shake data acquisition apparatus applied to a terminal including a plurality of optical image stabilizers, the anti-shake data acquisition apparatus including: and the monitoring unit is used for monitoring the communication bus state of the plurality of optical image stabilizers. And the control unit is used for responding to the state synchronization of the plurality of optical image stabilizers for acquiring the anti-shake data determined based on the communication bus state and controlling each optical image stabilizer to synchronously acquire the anti-shake data.
In one embodiment, the terminal includes a first memory and a second memory, and the anti-shake data obtaining apparatus further includes: and the storage unit is used for storing anti-shake data into the first memory and responding to full storage of the anti-shake data stored in the first memory, and updating and storing the anti-shake data stored in the first memory into the second memory. The control unit controls each optical image stabilizer to synchronously acquire anti-shake data in the following way: and controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
In another embodiment, the control unit is further configured to: and when the optical image stabilizers are controlled to synchronously acquire anti-shake data, updating and storing the anti-shake data stored in the first memory into the second memory, and interrupting the updating and storing.
In yet another embodiment, the anti-shake data acquisition apparatus further includes: a setting unit for setting a transmission permission flag in response to the first memory storing the anti-shake data full. The control unit controls each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory in the following way: and based on the transmission permission flag, starting to control each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
In yet another embodiment, a plurality of the anti-shake data registered full in the first memory is determined based on monitoring for a specified period of time.
In a further embodiment, the control unit determines the state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state in the following manner: and if the state of each communication bus of the optical image stabilizers is monitored to be corresponding to a chip selection idle state, determining the state synchronization of the optical image stabilizers for acquiring anti-shake data.
In a further embodiment, the chip select idle state corresponding to each of the optical image stabilizers is determined based on the operating mode corresponding to each of the optical image stabilizers.
In yet another embodiment, the anti-shake data includes: acceleration data of the terminal and gravity angular velocity data of the terminal. The storage unit stores anti-shake data to the first memory in the following manner: and the acceleration data is identified through a first specified identifier and then stored in a first storage space of the first storage, and the gravity angular velocity data is identified through a second specified identifier and then stored in a second storage space of the first storage.
According to a third aspect of the embodiments of the present disclosure, there is provided an anti-shake data acquisition apparatus including: a memory to store instructions; and the processor is used for calling the instruction stored in the memory to execute any anti-shake data acquisition method.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, in which instructions are stored, and when the instructions are executed by a processor, the method for acquiring anti-shake data is performed.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: according to the anti-shake data acquisition method provided by the disclosure, the state that each optical image stabilizer acquires anti-shake data can be determined according to the communication bus condition of each optical image stabilizer, and then each optical image stabilizer is controlled to acquire the anti-shake data synchronously, so that the anti-shake data acquired by each optical image stabilizer are ensured to be the same, the offset accuracy of the correction terminal during shooting is improved, the picture quality is improved, and the use experience of a user is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart illustrating an anti-shake data acquisition method according to an exemplary embodiment.
Fig. 2 is a flow chart illustrating another anti-shake data acquisition method according to an example embodiment.
Fig. 3 is a flowchart illustrating yet another anti-shake data acquisition method according to an example embodiment.
Fig. 4 is a flowchart illustrating yet another anti-shake data acquisition method according to an example embodiment.
Fig. 5 is a timing diagram of a communication bus, shown in accordance with an example embodiment.
FIG. 6 is a system architecture diagram illustrating an exemplary embodiment.
Fig. 7 is a data transmission diagram shown in accordance with an example embodiment.
FIG. 8 is a software flow diagram shown in accordance with an exemplary embodiment.
FIG. 9 is another software flow diagram shown in accordance with an exemplary embodiment.
Fig. 10 is a block diagram illustrating an anti-shake data acquisition apparatus according to an exemplary embodiment.
Fig. 11 is a block diagram illustrating another anti-shake data acquisition apparatus according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the related art, in order to ensure that a picture is clear when a terminal shoots and overcome the phenomenon that the terminal shakes, a plurality of optical image stabilizers are configured in the terminal, and then adjustment is performed according to obtained shaking data through each optical image stabilizer. However, during the adjustment process, each optical image stabilizer directly acquires the anti-shake data of the terminal. Due to the fact that the information frequency and the information quantity obtained by each optical image stabilizer are different, when the picture is improved, the effect is not ideal, and the use experience of a user is affected.
In view of this, the present disclosure provides an anti-shake data obtaining method, which can determine a synchronization state of each optical image stabilizer based on a communication bus state of each optical image stabilizer, and further control each optical image stabilizer to obtain anti-shake data at the same time, so that the anti-shake data obtained by each optical image stabilizer are the same, thereby improving the quality of a shot picture and improving the user experience.
The anti-shake data acquisition method provided by the disclosure is applied to a terminal which comprises a plurality of optical image stabilizers. In one example, the category of terminals may include mobile terminals, such as: cell phones, tablets, notebooks, etc. In another example. The structure of the terminal may include: a dual-screen terminal, a folding screen terminal, a full-screen terminal, etc.
Fig. 1 is a flowchart illustrating an anti-shake data acquisition method according to an exemplary embodiment, and as shown in fig. 1, the anti-shake data acquisition method includes the following steps S11 to S12.
In step S11, the communication bus status of the plurality of optical image stabilizers is monitored.
In the embodiment of the present disclosure, when the terminal performs anti-shake using a plurality of optical image stabilizers, the anti-shake is performed by controlling the plurality of optical image stabilizers to uniformly acquire anti-shake data. The manufacturers and the operation modes of the respective optical image stabilizers may be different from each other in the same terminal. Therefore, before each optical image stabilizer is controlled to synchronously acquire anti-shake data, the working mode state of the communication protocol bus configured by the controller of each optical image stabilizer is detected in real time in advance, and then the communication protocol bus state of each optical image stabilizer is monitored, so that each optical image stabilizer can acquire the anti-shake data under different working modes.
In the present disclosure, the communication protocol bus may employ a Serial Peripheral Interface (SPI). SPI is a synchronous communication bus capable of supporting high-speed data transmission, full duplex. Under different working mode states, the level and phase state of the communication protocol bus corresponding to the state when the anti-shake data can be acquired are different. Before the anti-shake data are synchronously sent to each optical image stabilizer, the terminal can communicate with the controller of the optical image stabilizer by full duplex, so that the communication protocol bus state of each optical image stabilizer can be conveniently determined, and the state synchronization of the anti-shake data acquired by the plurality of optical image stabilizers can be conveniently determined. The operation modes may include: in the mode 0, the mode 1, the mode 2, and the mode 3, the corresponding Clock Polarity (CPOL) and the Clock Phase (CPHA) are different in different operation modes. For example: in mode 0, CPOL ═ 0 and CPHA ═ 0; in mode 1, CPOL ═ 0 and CPHA ═ 1; in mode 2, CPOL ═ 1 and CPHA ═ 0; in mode 3, CPOL is 1 and CPHA is 1. Therefore, during monitoring, the state synchronization of each optical image stabilizer for acquiring the anti-shake data can be determined according to the clock polarity corresponding to the optical image stabilizer and the state of the optical image stabilizer for acquiring the anti-shake data configured corresponding to the clock phase.
In step S12, in response to determining state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state, the optical image stabilizers are controlled to acquire the anti-shake data in synchronization.
In the embodiment of the disclosure, the state synchronization of each optical image stabilizer for acquiring anti-shake data is determined according to the communication bus state corresponding to each optical image stabilizer. And further controlling each optical image stabilizer to uniformly and synchronously acquire the anti-shake data under the condition that the state of acquiring the anti-shake data by each optical image stabilizer is synchronous. Therefore, the purpose of synchronously updating the anti-shake data among the optical image stabilizers is achieved, the anti-shake data acquired by the optical image stabilizers are the same, the shooting quality of a shot picture is improved, and the use experience of a user is improved.
Through the embodiment, the anti-shake data can be synchronously updated to each optical image stabilizer based on the monitored communication bus state of each optical image stabilizer, so that the anti-shake data acquired by each optical image stabilizer are the same, the image quality shot by the terminal is improved, and the use experience of a user is improved.
Based on the same conception, the embodiment of the disclosure also provides another anti-shake data acquisition method. And the acquired anti-shake data and the anti-shake data sent to the optical image stabilizer are stored separately, so that the optical image stabilizer is prevented from obtaining null data or error data.
Fig. 2 is a flowchart illustrating another anti-shake data acquisition method according to an exemplary embodiment, and as shown in fig. 2, the anti-shake data acquisition method includes the following steps S21 to S24.
In step S21, the anti-shake data is stored in the first memory.
In the embodiment of the disclosure, based on the use of a camera application in a terminal, anti-shake data generated when the terminal performs shooting is acquired and stored in a first memory, so that a sufficient amount of anti-shake data is obtained. The acquired anti-shake data are stored and then transmitted, so that the current camera application can be determined to be in use according to the acquired anti-shake data, and the shake state of the terminal can be determined. And the anti-shake data is stored in the first memory first, so that the anti-shake data can be prevented from being lost in the process of determining the state synchronization of the anti-shake data acquired by each optical image stabilizer, and the optical image stabilizers can acquire complete anti-shake data conveniently.
In step S22, in response to the first memory storing the anti-shake data being full, the anti-shake data stored in the first memory is updated and stored to the second memory.
In the embodiment of the present disclosure, after the first memory is full of the anti-shake data, all the anti-shake data stored therein is sent to the second memory, so as to update the anti-shake data stored in the second memory. So that the anti-shake data is transmitted to the optical image stabilizers, respectively, through the second memory. And further, the phenomenon that the optical image stabilizer acquires null data or wrong anti-shake data due to the fact that the storage speed of the stored anti-shake data is different from the acquisition speed of the optical image stabilizer acquiring the anti-shake data is avoided. Thereby improving the accuracy of the anti-shake data acquired by the optical image stabilizer.
In step S23, the communication bus status of the plurality of optical image stabilizers is monitored.
In step S24, in response to determining state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state, each optical image stabilizer is controlled to acquire the anti-shake data stored in the second memory from the second memory in synchronization.
In an example, a Random Access Memory (RAM) may be employed as the first Memory, the second Memory, or both the first Memory and the second Memory. The RAM is an internal memory that directly exchanges data with a terminal Central Processing Unit (CPU). It can be read and written at any time (except for refreshing), and has high speed, and is usually used as a temporary data storage medium of an operating system or other programs in operation. When the RAM is operated, information can be written (stored) or read (retrieved) from any one of designated addresses at any time. And then when using RAM to carry out data transmission, can be fast with anti-shake data transmission to next communication protocol bus.
In an implementation scene, in the terminal shooting process, anti-shake data monitored by the terminal camera application in the use process is acquired and transmitted to the first memory. And informing the second memory after the anti-shake data in the first memory is full, responding by the second memory, acquiring the latest anti-shake data from the first memory, and updating and storing the internal anti-shake data. And after the state synchronization of the optical image stabilizers for acquiring the anti-shake data is determined according to the monitoring of the communication bus state of each optical image stabilizer, each optical image stabilizer is controlled to acquire the anti-shake data stored in the second memory through the second memory after data updating.
Based on the same conception, the embodiment of the disclosure also provides another anti-shake data acquisition method. In order to ensure that the anti-shake data acquired by each optical image stabilizer are the same, and avoid confusion when the anti-shake data is acquired by each optical image stabilizer due to updating of the anti-shake data, when the optical image stabilizer acquires the anti-shake data through the second memory, the first memory of the terminal is interrupted to transmit the updated anti-shake data to the second memory, and then the risk caused by registering and re-acquiring the anti-shake data is prevented.
Fig. 3 is a flowchart illustrating still another anti-shake data acquisition method according to an exemplary embodiment, and as shown in fig. 3, the anti-shake data acquisition method includes the following steps S31 to S35.
In step S31, the anti-shake data is stored in the first memory.
In step S32, in response to the first memory storing the anti-shake data being full, the anti-shake data stored in the first memory is updated and stored to the second memory.
In step S33, the communication bus status of the plurality of optical image stabilizers is monitored.
In step S34, in response to determining state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state, each optical image stabilizer is controlled to acquire the anti-shake data stored in the second memory from the second memory in synchronization.
In step S35, updating and storing the anti-shake data stored in the first memory into the second memory is interrupted when the optical image stabilizers are controlled to synchronously acquire the anti-shake data.
In the embodiment of the disclosure, in order to avoid that the obtaining amount of the anti-shake data is different when the anti-shake data is obtained by each optical image stabilizer in the same period of time due to different working modes, when the anti-shake data is synchronously obtained by controlling each optical image stabilizer, the process of updating and storing the anti-shake data stored in the first memory into the second memory is interrupted, and then the anti-shake data obtained by each optical image stabilizer is ensured to be the same. And the updating of the anti-shake data in the second memory is interrupted, so that the phenomenon that the anti-shake data acquired by the optical image stabilizer is incomplete or new and old anti-shake data are confused is avoided. Therefore, the accuracy of acquiring anti-shake data by each optical image stabilizer is improved, and the effectiveness and the accuracy are improved when a shot picture is corrected subsequently.
Based on the same conception, the embodiment of the disclosure also provides another anti-shake data acquisition method.
Fig. 4 is a flowchart illustrating still another anti-shake data acquisition method according to an exemplary embodiment, and as shown in fig. 4, the anti-shake data acquisition method includes the following steps S41 through S46.
In step S41, the anti-shake data is stored in the first memory.
In step S42, the transfer permission flag is set in response to the first memory storing the anti-shake data being full.
In the embodiment of the disclosure, the terminal responds after the first memory is full of the anti-shake data, and sets a transmission permission flag in the communication protocol bus where the first memory is located, so as to prompt that the current first memory is full of the anti-shake data, and can transmit the anti-shake data stored in the first memory to the second memory, thereby updating the anti-shake data stored in the second memory.
In step S43, in response to the first memory storing the anti-shake data being full, the anti-shake data stored in the first memory is updated and stored to the second memory.
In step S44, the communication bus status of the plurality of optical image stabilizers is monitored.
In step S45, in response to determining the state synchronization of the plurality of optical image stabilizers for acquiring the anti-shake data based on the communication bus state, control of the respective optical image stabilizers for synchronously acquiring the anti-shake data stored in the second memory from the second memory is started based on the transmission permission flag.
In step S46, updating and storing the anti-shake data stored in the first memory into the second memory is interrupted when the optical image stabilizers are controlled to synchronously acquire the anti-shake data.
With the above-described embodiment, based on the set transmission permission flag, it can be determined that the anti-shake data in the first memory is full, the first memory is ready, the anti-shake data can be transmitted to the second memory, and the anti-shake data in the second memory is updated.
In one embodiment, whether the first memory is full of a plurality of anti-shake data may be determined based on monitoring for a specified time period. Data request access to the first memory is periodically performed according to a specified time period, and monitoring is performed based on a response of the first memory. If it is determined, based on the monitoring, that the first memory agrees to transfer the anti-shake data update stored in the first memory to the second memory, it may be determined that the first memory is full of a plurality of anti-shake data. For example: data request accesses are made to the first memory every 1.67 microseconds (μ s) until it is determined that the first memory grants transmission of anti-shake data updates stored in the first memory to the second memory.
In another embodiment, the state synchronization of the anti-shake data acquired by the plurality of optical image stabilizers may be determined based on the communication bus state correspondence of each optical image stabilizer being the chip select idle state. Based on the foregoing, the communication bus state of the optical image stabilizer has four operation mode states. Further, the monitoring may be performed based on a detected chip select signal in the communication bus of each optical image stabilizer. If the chip selection corresponding to each optical image stabilizer is detected to be high level, the communication bus state of each optical image stabilizer can be determined to be in an idle state, and further the state synchronization of each optical image stabilizer for acquiring anti-shake data can be determined. At this time, the optical image stabilizers can be controlled to synchronously acquire the anti-shake data. For example: a communication bus timing chart as shown in fig. 5, in which: a chip select signal, a clock signal, and a data signal. If the communication bus state of the chip selection signal of each optical image stabilizer is as high level as that corresponding to the chip selection signal in the first area, the communication bus state representing each optical image stabilizer is in an idle state, and then each optical image stabilizer can be controlled to synchronously acquire anti-shake data for updating. If the communication bus state of each optical image stabilizer is as shown in the second area, and the chip select signal is at a low level, each optical image stabilizer is in a latch state, and each optical image stabilizer does not acquire the anti-shake data and does not update the anti-shake data. The state of a communication bus of the chip selection signal is determined by detecting a clock signal in a fixed period, and anti-shake data is stored in the memory, so that when all the optical image stabilizers can acquire the anti-shake data at the same time, all the anti-shake data in the memory is sent to all the optical image stabilizers. Therefore, the state synchronization of the plurality of optical image stabilizers for acquiring the anti-shake data can be effectively controlled.
In yet another embodiment, the anti-shake data includes: acceleration data of the terminal and gravity angular velocity data of the terminal. The method comprises the steps of obtaining acceleration data of a terminal based on an acceleration sensor configured in the terminal, and obtaining gravity angular velocity data of the terminal based on data obtained by a gyroscope sensor configured in the terminal. Based on shooting of camera application, acceleration data are obtained through an acceleration sensor, gravity angular velocity data are obtained through a gyroscope sensor, and then anti-shake data of the terminal in the shooting process are obtained. Because the working frequency cycles of the acceleration sensor and the gyroscope sensor are different when the acceleration sensor and the gyroscope sensor acquire data, in order to avoid disorder of anti-shake data when the anti-shake data are stored, the acceleration data are identified through a first specified identifier and then stored in a first storage space of a first storage device, and the gravity angular velocity data are identified through a second specified identifier and then stored in a second storage space of the first storage device. Thereby distinguishing acceleration data from gravity angular velocity data based on the specified identification. In one example, when the anti-shake data is updated to the second memory, the acceleration data may be identified by the first specified identifier and then stored in the third storage space of the second memory, and the gravity angular velocity data may be identified by the second specified identifier and then stored in the fourth storage space of the second memory, which is further helpful for avoiding confusion of the anti-shake data.
In one example, the plurality of optical stabilizers are controlled to acquire anti-shake data based on a Micro Controller Unit (MCU) in the terminal. The MCU is also called a Single Chip Microcomputer (MCU) or a Single Chip Microcomputer (MCU), and is a Chip-level computer formed by appropriately reducing the frequency and specification of a Central Processing Unit (CPU), and integrating peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D converter, a UART, a PLC, a DMA, and even an LCD driving circuit on a Single Chip, so as to perform different combination controls for different applications.
In an implementation scenario, a system architecture for performing anti-shake data synchronous update based on multiple light ray image stabilizers inside a terminal may be as shown in the system architecture diagram shown in fig. 6. Based on the use that the camera was used, acquire anti-shake data through acceleration sensor and gyroscope sensor, and then with anti-shake data transmission to MCU, acquire anti-shake data by a plurality of optical image stabilizer of MCU control.
In another implementation scenario, based on the system architecture, a process of transmitting the anti-shake data in the system architecture may be as shown in the data transmission diagram shown in fig. 7. The MCU includes a first memory and a second memory. And the acceleration sensor and the gyroscope sensor send the acquired anti-shake data to the first memory for updating and saving. And after the anti-shake data in the first memory is full, transmitting the anti-shake data in the first memory to the second memory so as to update the anti-shake data in the second memory. And after the MCU determines that the plurality of optical image stabilizers acquire the anti-shake data synchronously based on monitoring, the MCU controls to send the anti-shake data stored in the second memory to each optical image stabilizer so as to control each optical image stabilizer to acquire the anti-shake data synchronously.
In one example, to ensure effectiveness and accuracy of picture quality correction during picture taking, an acceleration sensor and a gyroscope sensor are used to acquire anti-shake data during the process of acquiring anti-shake data by each optical image stabilizer. After the anti-shake data of each optical image stabilizer are updated, controlling the acceleration sensor and the gyroscope sensor to acquire the anti-shake data corrected by the optical image stabilizer. And then effectively avoid the anti-shake data to correct the confusion, improve and correct efficiency.
In yet another implementation scenario, the process of updating the anti-shake data may be as shown in the software flowchart shown in fig. 8.
In step S51, the optical image stabilizer transmits a request for acquiring anti-shake data.
In step S52, in response to the request to acquire the anti-shake data, the update of the anti-shake data is interrupted.
In step S53, the anti-shake data in the fifo chip is transferred and sent to the communication protocol bus apparatus.
In the embodiment of the present disclosure, a First-in First-out (FIFO) chip is a novel large-scale integrated circuit, and the FIFO chip has the characteristics of flexibility, convenience, and high efficiency, and is widely applied to high-speed data acquisition, high-speed data processing, high-speed data transmission, and multi-computer processing systems. In the present disclosure, the process of the optical image stabilizer acquiring the anti-shake data may be completed in the FIFO.
In yet another implementation scenario, a specific flow of updating the anti-shake data may be as shown in the software flowchart shown in fig. 9.
In step S601, a request for acquiring anti-shake data is periodically transmitted to the first memory every 1.67 μ sec.
In step S602, in response to the request for obtaining the anti-shake data, the update of the anti-shake data is interrupted.
In step S603, the enable flag is set in the process of interrupting updating the anti-shake data.
In step S61, it is determined whether the MCU is allowed to acquire the anti-shake data in the acceleration sensor and the gyro sensor. If yes, go to step S62; if not, judging again.
In step S62, anti-shake data in the acceleration sensor and the gyro sensor is acquired.
In step S63, it is determined whether or not the chip selection of each optical image stabilizer is in an idle state. If yes, go to step S64; if not, judging again.
In step S64, the anti-shake data in the FIFO is updated, and the corrected anti-shake data is reconfigured for the acceleration sensor and the gyro sensor.
Based on the same conception, the embodiment of the disclosure also provides an anti-shake data acquisition device.
It is understood that, in order to implement the above functions, the anti-shake data acquisition apparatus provided in the embodiments of the present disclosure includes a hardware structure and/or a software module corresponding to the execution of each function. The disclosed embodiments can be implemented in hardware or a combination of hardware and computer software, in combination with the exemplary elements and algorithm steps disclosed in the disclosed embodiments. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
Fig. 10 is a block diagram illustrating an anti-shake data acquisition apparatus according to an exemplary embodiment. The anti-shake data acquisition apparatus 100 is applied to a terminal including a plurality of optical image stabilizers. Referring to fig. 10, the anti-shake data acquisition apparatus 100 includes a monitoring unit 101 and a control unit 102.
And a monitoring unit 101 for monitoring the communication bus state of the plurality of optical image stabilizers.
And the control unit 102 is used for controlling each optical image stabilizer to synchronously acquire the anti-shake data in response to the state synchronization that the plurality of optical image stabilizers acquire the anti-shake data based on the communication bus state.
In one embodiment, the terminal includes a first memory and a second memory, and the anti-shake data obtaining apparatus further includes: and the storage unit 103 is used for storing the anti-shake data into the first memory, and updating and storing the anti-shake data stored in the first memory into the second memory in response to the anti-shake data stored in the first memory being full. The control unit 102 controls each optical image stabilizer to synchronously acquire anti-shake data in the following manner: and controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
In another embodiment, the control unit 102 is further configured to: and updating and storing the anti-shake data stored in the first memory into the second memory to interrupt when the optical image stabilizers are controlled to synchronously acquire the anti-shake data.
In still another embodiment, the anti-shake data acquisition apparatus further includes: and a setting unit for setting a transmission permission flag in response to the first memory storing the anti-shake data full. The control unit 102 controls each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory in the following manner: and based on the transmission permission flag, starting to control each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
In yet another embodiment, a plurality of anti-shake data that is full in register in the first memory is determined based on monitoring for a specified period of time.
In yet another embodiment, the control unit 102 determines the state synchronization of the plurality of optical image stabilizers acquiring the anti-shake data based on the communication bus state in the following manner: and if the state of each communication bus of the optical image stabilizers is monitored to be corresponding to the chip selection idle state, determining the state synchronization of the optical image stabilizers for acquiring the anti-shake data.
In a further embodiment, the chip select idle state corresponding to each optical image stabilizer is determined based on the operating mode corresponding to each optical image stabilizer.
In yet another embodiment, the anti-shake data includes: acceleration data of the terminal and gravity angular velocity data of the terminal. The storage unit stores the anti-shake data to the first memory in the following way: the acceleration data are identified through a first specified identifier and then stored in a first storage space of a first storage device, and the gravity angular velocity data are identified through a second specified identifier and then stored in a second storage space of the first storage device.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 11 is a block diagram illustrating an anti-shake data acquisition apparatus 200 according to an exemplary embodiment. For example, the anti-shake data acquisition apparatus 200 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, or the like.
Referring to fig. 11, the anti-shake data acquisition apparatus 200 may include one or more of the following components: a processing component 202, a memory 204, a power component 206, a multimedia component 208, an audio component 210, an input/output (I/O) interface 212, a sensor component 214, and a communication component 216.
The processing component 202 generally controls the overall operation of the anti-shake data acquisition apparatus 200, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 202 may include one or more processors 220 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 202 can include one or more modules that facilitate interaction between the processing component 202 and other components. For example, the processing component 202 can include a multimedia module to facilitate interaction between the multimedia component 208 and the processing component 202.
The memory 204 is configured to store various types of data to support operations at the anti-shake data acquisition apparatus 200. Examples of such data include instructions for any application or method operating on the anti-shake data acquisition apparatus 200, contact data, phonebook data, messages, pictures, videos, and the like. The memory 204 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power component 206 provides power to the various components of the anti-shake data acquisition device 200. Power components 206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for anti-shake data acquisition device 200.
The multimedia component 208 includes a screen that provides an output interface between the anti-shake data acquisition device 200 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 208 includes a front facing camera and/or a rear facing camera. When the anti-shake data acquisition apparatus 200 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 210 is configured to output and/or input audio signals. For example, the audio component 210 includes a Microphone (MIC) configured to receive an external audio signal when the anti-shake data acquisition apparatus 200 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 204 or transmitted via the communication component 216. In some embodiments, audio component 210 also includes a speaker for outputting audio signals.
The I/O interface 212 provides an interface between the processing component 202 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 214 includes one or more sensors for providing various aspects of state assessment for the anti-shake data acquisition apparatus 200. For example, the sensor assembly 214 may detect an open/closed state of the anti-shake data acquisition apparatus 200, a relative positioning of the components, such as a display and a keypad of the anti-shake data acquisition apparatus 200, the sensor assembly 214 may also detect a change in position of the anti-shake data acquisition apparatus 200 or a component of the anti-shake data acquisition apparatus 200, the presence or absence of user contact with the anti-shake data acquisition apparatus 200, an orientation or acceleration/deceleration of the anti-shake data acquisition apparatus 200, and a change in temperature of the anti-shake data acquisition apparatus 200. The sensor assembly 214 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 214 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 216 is configured to facilitate wired or wireless communication between the anti-shake data acquisition apparatus 200 and other devices. The anti-shake data acquisition apparatus 200 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 216 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 216 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the anti-shake data acquisition apparatus 200 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 204 comprising instructions, executable by the processor 220 of the anti-shake data acquisition apparatus 200 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
It is further understood that the use of "a plurality" in this disclosure means two or more, as other terms are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
It will be further understood that, unless otherwise specified, "connected" includes direct connections between the two without the presence of other elements, as well as indirect connections between the two with the presence of other elements.
It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (18)
1. An anti-shake data acquisition method applied to a terminal including a plurality of optical image stabilizers, the anti-shake data acquisition method comprising:
monitoring a communication bus state of the plurality of optical image stabilizers;
and controlling each optical image stabilizer to synchronously acquire anti-shake data in response to determining the state synchronization of the plurality of optical image stabilizers for acquiring anti-shake data based on the communication bus state.
2. The anti-shake data acquisition method according to claim 1, wherein the terminal includes a first memory and a second memory, the anti-shake data acquisition method further comprising:
storing anti-shake data to the first memory;
in response to the first memory storing the anti-shake data being full, updating and storing the anti-shake data stored in the first memory to the second memory;
the controlling each optical image stabilizer to synchronously acquire anti-shake data comprises:
and controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
3. The anti-shake data acquisition method according to claim 2, further comprising:
and when the optical image stabilizers are controlled to synchronously acquire anti-shake data, updating and storing the anti-shake data stored in the first memory into the second memory, and interrupting the updating and storing.
4. The anti-shake data acquisition method according to claim 2 or 3, further comprising:
setting a transfer-allowed flag in response to the first memory storing full anti-shake data;
the controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory comprises:
and based on the transmission permission flag, starting to control each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
5. The anti-shake data acquisition method according to claim 2, wherein a plurality of the anti-shake data registered in the first memory to be full are determined based on monitoring for a specified period of time.
6. The anti-shake data acquisition method according to claim 1, wherein the determining of the state synchronization of the plurality of optical image stabilizers for acquiring anti-shake data based on the communication bus state comprises:
and if the state of each communication bus of the optical image stabilizers is monitored to be corresponding to a chip selection idle state, determining the state synchronization of the optical image stabilizers for acquiring anti-shake data.
7. The anti-shake data acquisition method according to claim 2, wherein the chip selection idle state corresponding to each optical image stabilizer is determined based on an operating mode corresponding to each optical image stabilizer.
8. The anti-shake data acquisition method according to claim 2, wherein the anti-shake data includes: acceleration data of the terminal and gravity angular velocity data of the terminal;
the storing anti-shake data to the first memory includes:
and the acceleration data is identified through a first specified identifier and then stored in a first storage space of the first storage, and the gravity angular velocity data is identified through a second specified identifier and then stored in a second storage space of the first storage.
9. An anti-shake data acquisition apparatus, applied to a terminal including a plurality of optical image stabilizers, the apparatus comprising:
the monitoring unit is used for monitoring the communication bus state of the plurality of optical image stabilizers;
and the control unit is used for responding to the state synchronization of the plurality of optical image stabilizers for acquiring the anti-shake data determined based on the communication bus state and controlling each optical image stabilizer to synchronously acquire the anti-shake data.
10. The anti-shake data acquisition apparatus according to claim 9, wherein the terminal includes a first memory and a second memory, the anti-shake data acquisition apparatus further comprising:
the storage unit is used for storing anti-shake data into the first memory and responding to the full storage of the anti-shake data stored in the first memory, and updating and storing the anti-shake data stored in the first memory into the second memory;
the control unit controls each optical image stabilizer to synchronously acquire anti-shake data in the following way:
and controlling each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
11. The anti-shake data acquisition apparatus according to claim 10, wherein the control unit is further configured to:
and when the optical image stabilizers are controlled to synchronously acquire anti-shake data, updating and storing the anti-shake data stored in the first memory into the second memory, and interrupting the updating and storing.
12. The anti-shake data acquisition apparatus according to claim 10 or 11, further comprising:
a setting unit configured to set a transfer permission flag in response to the first memory storing the anti-shake data full;
the control unit controls each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory in the following way:
and based on the transmission permission flag, starting to control each optical image stabilizer to synchronously acquire the anti-shake data stored in the second memory from the second memory.
13. The anti-shake data acquisition apparatus according to claim 10, wherein a plurality of the anti-shake data registered in the first memory as full are determined based on monitoring for a specified period of time.
14. The anti-shake data acquisition apparatus according to claim 9, wherein the control unit determines the state synchronization of the plurality of optical image stabilizers for acquiring anti-shake data based on the communication bus state in the following manner:
and if the state of each communication bus of the optical image stabilizers is monitored to be corresponding to a chip selection idle state, determining the state synchronization of the optical image stabilizers for acquiring anti-shake data.
15. The anti-shake data acquisition apparatus according to claim 10, wherein the chip selection idle state corresponding to each optical image stabilizer is determined based on an operation mode corresponding to each optical image stabilizer.
16. The anti-shake data acquisition apparatus according to claim 10, wherein the anti-shake data includes: acceleration data of the terminal and gravity angular velocity data of the terminal;
the storage unit stores anti-shake data to the first memory in the following manner:
and the acceleration data is identified through a first specified identifier and then stored in a first storage space of the first storage, and the gravity angular velocity data is identified through a second specified identifier and then stored in a second storage space of the first storage.
17. An anti-shake data acquisition apparatus, characterized by comprising:
a memory to store instructions; and
a processor for invoking the memory-stored instructions to perform the anti-shake data acquisition method of any of claims 1-8.
18. A computer-readable storage medium having stored therein instructions which, when executed by a processor, perform the anti-shake data acquisition method according to any one of claims 1-8.
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