CN106686305B - Image processing method of electronic equipment and electronic equipment - Google Patents
Image processing method of electronic equipment and electronic equipment Download PDFInfo
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- CN106686305B CN106686305B CN201611197136.1A CN201611197136A CN106686305B CN 106686305 B CN106686305 B CN 106686305B CN 201611197136 A CN201611197136 A CN 201611197136A CN 106686305 B CN106686305 B CN 106686305B
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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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
- H04N23/80—Camera processing pipelines; Components thereof
Abstract
The invention provides an image processing method of electronic equipment and the electronic equipment, and the electronic equipment to which the image processing method provided by the invention is applied comprises the following steps: AP, DSP and sensor, the method includes: the AP controls the sensor to be powered on and awakens the DSP according to the received shooting instruction; after the DSP is awakened, the DSP initializes the sensor and controls the sensor to continuously sense light; the DSP acquires an image output by the sensor and processes the image output by the sensor; and the AP acquires an image from the DSP and processes the image acquired from the DSP to obtain a target image. The invention can shorten the photographing time and improve the user experience.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to an image processing method for an electronic device and an electronic device.
Background
With the continuous development of electronic technology, more and more electronic devices are equipped with cameras to capture images.
In a normal shooting process, the electronic equipment needs to be unlocked, the shooting application is opened, and then a shooting confirmation instruction is input, such as a shooting key is clicked, so that image shooting can be realized.
However, for some evanescent scenes it is of particular importance how the filming is done as quickly as possible.
Disclosure of Invention
The invention provides an image processing method of electronic equipment and the electronic equipment, which are used for shortening shooting time.
The invention provides an image processing method of an electronic device, wherein the electronic device comprises the following steps: an application processor AP, a digital signal processor DSP and a sensor, the method comprising:
the AP controls the sensor to be powered on and awakens the DSP according to the received shooting instruction;
after the DSP is awakened, the DSP initializes the sensor and controls the sensor to continuously sense light;
the DSP acquires an image output by the sensor and processes the image output by the sensor;
and the AP acquires an image from the DSP and processes the image acquired from the DSP to obtain a target image.
The present invention also provides an electronic device comprising: an application processor AP, a digital signal processor DSP and a sensor; the AP is connected with the DSP, the AP is also connected with the sensor, and the DSP is also connected with the sensor;
the AP is used for controlling the sensor to be powered on and awakening the DSP according to the received shooting instruction;
the DSP is used for initializing the sensor after awakening, controlling the sensor to continuously sense light, acquiring an image output by the sensor and processing the image output by the sensor;
and the AP is also used for obtaining the processed image from the DSP to obtain a target image.
The AP of the electronic equipment can control a sensor of the electronic equipment to be powered on and wake up the DSP according to a received shooting instruction, after the DSP is awakened, the DSP initializes the sensor and controls the sensor to continuously sense light, the DSP acquires an image output by the sensor and processes the image output by the sensor, and the AP acquires the image from the DSP and processes the image acquired from the DSP to obtain a target image. According to the image processing method, the sensor can be initialized by the DSP after the DSP is awakened and the sensor is controlled to continuously sense light, so that the work of the AP is reduced, the AP and the DSP can work in parallel, the time for acquiring the target image is effectively shortened, the shooting time is shortened, and the user experience is improved.
Drawings
Fig. 1 is a flowchart of an image processing method of an electronic device according to the present invention;
FIG. 2 is a flow chart of an image processing method of another electronic device according to the present invention;
FIG. 3 is a flowchart of an image processing method of an electronic device according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided in the present invention;
FIG. 5 is a schematic structural diagram of another electronic device provided in the present invention;
FIG. 6 is a schematic structural diagram of another electronic device provided in the present invention;
fig. 7 is a flowchart of an image processing method of an electronic device according to still another embodiment of the present invention.
Detailed Description
The image processing method of each electronic device provided by the invention can be executed by an image processing device, and the image processing device can be integrated in any electronic device provided with a camera in a software and/or hardware mode. The electronic equipment can be any electronic equipment provided with a camera, such as a mobile phone, a tablet computer, intelligent wearable equipment and the like.
The following is described in connection with a number of examples.
Fig. 1 is a flowchart of an image processing method of an electronic device according to the present invention. The image processing method may be performed by an electronic device.
Before the image processing method is introduced, the electronic device will be briefly described. The electronic device may include: an Application Processor (AP), a Digital Signal Processor (DSP), and a sensor (sensor). The electronic device may include at least one camera, each camera including a lens and an image sensor. The sensor may be an image sensor in any camera of the electronic device. The sensor may be any type of image sensor, such as a Charge Coupled Device (CCD) image sensor, a Metal-Oxide Semiconductor (CMOS) image sensor, or the like.
As shown in fig. 1, the method may include:
and S101, the AP controls the sensor to be powered on and awakens the DSP according to the received shooting instruction.
The shooting instruction may be a quick shooting instruction input by a user. The AP may send a power-on notification to the sensor driving module on the AP side through the input driving module according to the received shooting instruction, so that the sensor driving module controls the sensor to be powered on. The AP controls the sensor to be powered on, and meanwhile sends a wake-up notice to the DSP system module on the DSP side through the input driving module, so that the DSP system module wakes up the DSP. Wherein, waking up the DSP can wake up the DSP from a sleep state.
While controlling the sensor to be powered on, the AP may also send an initialization notification to a Camera application (Camera app) through the input drive module, so that the Camera application creates a Camera instance and carries an ultrafast blind shooting flag, thereby implementing initialization of the Camera application.
After the sensor is powered on, the AP sends a notification to the DSP through the sensor driving module by using a Serial Peripheral Interface (SPI for short) bus connected between the AP and the DSP, so that the DSP determines that the sensor is powered on.
And S102, after the DSP is awakened, the DSP initializes the sensor and controls the sensor to continuously sense light.
The DSP may initialize the sensor by a DSP system module on the DSP side after waking up. The DSP controls the sensor to continuously sense light, which means that the DSP continuously senses light for a preset time period so that the sensor acquires a captured light image.
And S103, the DSP acquires the image output by the sensor and processes the image output by the sensor.
The DSP can acquire the image output by the sensor from the sensor through a system module in the DSP. The image acquired by the DSP from the sensor may be a light image captured by the sensor. The DSP may process the image output by the sensor to obtain a digital image. The digital image may be referred to as a Raw (Raw) digital image.
S104, the AP acquires the image from the DSP, and processes the image acquired from the DSP to obtain a target image.
The AP may acquire images from the DSP through a camera application module on the AP side. The image acquired from the DSP may be an image obtained by the DSP processing the image output from the sensor, such as the raw digital image described above. The AP may perform post-processing, such as digital processing, on the image acquired by the DSP to obtain the target image. The digital processing may include: capture images, crop images, enlarge images, reduce images, rotate images, and the like. Of course, the AP may perform other processing on the image obtained from the DSP, and the above is only an example, and the present invention is not limited thereto.
The AP may acquire an image from the DSP after initialization of a Hardware Abstraction Layer (HAL).
It should be noted that, after obtaining the target image, the AP may also send the target image to a display device, so that the display device displays the target image. Of course, the AP may directly store the target image without displaying the target image after obtaining the target image.
The AP of the electronic equipment can control a sensor of the electronic equipment to be powered on and awaken the DSP according to a received shooting instruction, the DSP initializes the sensor after the DSP is awakened and controls the sensor to continuously sense light, the DSP acquires an image output by the sensor and processes the image output by the sensor, and the AP acquires the image from the DSP and processes the image acquired by the DSP to obtain a target image. According to the image processing method, the sensor can be initialized by the DSP after the DSP is awakened and the sensor is controlled to continuously sense light, so that the work of the AP is reduced, the AP and the DSP can work in parallel, the time for acquiring the target image is effectively shortened, the shooting time is shortened, and the user experience is improved.
Optionally, before the AP controls the sensor to be powered on and wakes up the DSP according to the received shooting instruction in S101, the method may further include:
the AP receives the photographing instruction input through a preset key and/or a voice input device.
Specifically, the preset key may be a shooting physical key of the electronic device, any physical key of the electronic device, or a combination key of multiple physical keys of the electronic device. For example, the preset key may be, for example, a power key of the electronic device, or a combination of the power key and a volume key of the electronic device. The voice input device may be a microphone (mic) of the electronic device.
If the AP receives the shooting instruction input by the preset key, the AP may send a power-on notification to the sensor driving module through the key driving module, that is, the input driving module may include the key driving module.
If the AP receives the shooting instruction input by the voice input device, the AP may send a power-on notification to the sensor driving module through the voice driving module, that is, the input driving module may include the voice driving module.
Optionally, controlling the sensor to continuously sense light in S102 as described above may include:
the DSP controls the sensor to continuously sense light by writing exposure parameters into a register of the sensor.
The exposure parameter may include at least one exposure parameter such as a photosensitive amount and a photosensitive time of the sensor. The sensor's registers may be located within the DSP. In the method, the processing module in the DSP can continuously write the exposure parameter into the register of the sensor to control the sensor to continuously sense light in the preset time period.
Optionally, the present invention may further provide an image processing method of an electronic device. Fig. 2 is a flowchart of an image processing method of another electronic device according to the present invention. As shown in fig. 2, the method of processing the image output by the sensor in S103 as described above may include:
s201, the DSP performs 3A algorithm processing on the image output by the sensor.
Wherein, the 3A algorithm comprises: automatic white balance algorithm, automatic focusing algorithm, automatic exposure algorithm.
And the DSP performs 3A algorithm processing on the image output by the sensor to obtain the digital image, wherein the digital image can be an unprocessed digital image processed by the 3A algorithm.
Optionally, after the processing of the image output by the sensor in S103 as described above, the method may further include:
s202, the DSP stores the image processed by the DSP.
The DSP can cache the image processed by the DSP into a corresponding memory of the DSP.
Correspondingly, the acquiring, by the AP, the image from the DSP in S104 as described above may include:
the AP obtains the image stored by the DSP from the DSP.
According to the image processing method, the image output by the sensor is subjected to 3A algorithm processing through the DSP, so that the shooting effect of the image can be effectively improved; the DSP stores the image processed by the DSP, so that the AP can acquire the image from the DSP more quickly, and the shooting time is effectively shortened.
Optionally, the present invention may further provide an image processing method of an electronic device. Fig. 3 is a flowchart of an image processing method of an electronic device according to still another embodiment of the present invention. As shown in fig. 3, the method, in S104 as described above, the AP acquiring the image from the DSP may include:
s301, the AP sends a photographing command to the DSP.
The AP may send a photographing command to the DSP system module on the DSP side through the camera application module after the HAL initialization is completed. The AP may send a photographing command to the DSP system module of the DSP by using the SPI connected to the DSP through the camera application module to request an image from the DSP. The photographing command may also be referred to as an image request or the like.
And S302, the DSP sends the image processed by the DSP to the AP according to the photographing command.
The DSP may send the image processed by the DSP to the AP through a Mobile Industry Processor Interface (MIPI) bus connected to the AP.
According to the image processing method, the AP sends the photographing command to the DSP and receives the image processed by the DSP sent by the DSP according to the photographing command, so that the AP can acquire the image from the DSP more quickly, and the photographing time is effectively shortened.
The invention also provides electronic equipment. Fig. 4 is a schematic structural diagram of an electronic device provided in the present invention. As shown in fig. 4, the electronic apparatus includes: an AP 401, a DSP 402, and a sensor 403; the AP 401 is connected to the DSP 402, the AP 401 is also connected to the sensor 403, and the DSP 402 is also connected to the sensor 403.
The AP 401 is configured to control the sensor 403 to be powered on and wake up the DSP 402 according to the received shooting instruction.
The DSP 402 initializes the sensor 403 after waking up, controls the sensor 403 to continuously receive light, acquires an image output from the sensor 403, and processes the image output from the sensor 403.
The AP 401 is also configured to obtain a target image from the DSP 402 by acquiring the processed image.
Optionally, the AP 401 is further configured to receive the shooting instruction input through a preset key and/or a voice input device before controlling the sensor 403 to be powered on and wake up the DSP 402 according to the received shooting instruction.
Optionally, the invention further provides an electronic device. Fig. 5 is a schematic structural diagram of another electronic device provided in the present invention. As shown in fig. 5, the DSP 402 in the electronic device may include: a processing module 404 and registers 405. The register 405 is a corresponding register of the sensor 403 within the DSP 402. The AP 401 is connected to a processing module 404, and the processing module 404 is also connected to the sensor 403 via a register 405.
The processing module 404 is configured to write an exposure parameter into a register 405 of the sensor 403 to control the sensor 403 to continuously sense light.
Optionally, the DSP 402 is specifically configured to perform 3A algorithm processing on the image output by the sensor 403; the 3A algorithm includes: automatic white balance algorithm, automatic focusing algorithm, automatic exposure algorithm.
Optionally, the DSP 402 is further configured to store the processed image after processing the image output by the sensor 402.
Optionally, the AP 401 is specifically configured to send a photographing command to the DSP 402, and receive the processed image sent by the DSP 402 according to the photographing command.
This electronic equipment can be awaken up the back by DSP initialization sensor and control sensor and continue the sensitization at DSP, has reduced AP's work for AP and DSP can parallel work, has effectively shortened the time of acquireing the target image, has shortened the shooting time promptly, has improved user experience.
The electronic device and the image processing method of the electronic device are described below with a specific example. Fig. 6 is a schematic structural diagram of another electronic device provided in the present invention. As shown in fig. 6, the electronic device may include: AP 601, DSP 602, and sensor 603.
A Transmit (Tx) interface of the AP 601 is connected to a Receive (Rx) interface of the DSP 602 through an SPI bus, and an Rx interface of the AP 601 is connected to a Tx interface of the DSP 602 through an MIPI bus. Wherein, the first Rx interface of the DSP 602 may be represented as Rx1 shown in fig. 6, and the first Tx interface of the DSP 602 may be represented as Tx1 shown in fig. 6.
The AP 601 is also connected to the sensor 603 via an Inter-Integrated Circuit (I2C).
The second Tx interface of the DSP 602 is connected to the sensor 603 through an I2C bus, and the second Rx interface of the DSP 602 is also connected to the sensor 603 through a MIPI bus.
The AP 601 is integrated with a key driving module, a sensor driving module, and a camera application module. The sensor driving module and the camera application module may be integrated in the AP 601 by means of software and/or hardware. The DSP 602 is integrated with a DSP system module, which may be integrated in the DSP 602 by software and/or hardware.
The image processing method of the electronic device is exemplified as follows with reference to fig. 6. Fig. 7 is a flowchart of an image processing method of an electronic device according to still another embodiment of the present invention. As shown in fig. 7, the method may include:
and S701, the key driving module sends a power-on notification to the sensor driving module according to the received shooting instruction, so that the sensor driving module powers on the sensor.
The sensor driver module in the AP 601 may power up the sensor 603 via a connection bus between the AP 601 and the sensor 603, such as an I2C bus.
And S702, the key driving module sends a wake-up notice to the DSP system module according to the received shooting instruction so that the DSP system module wakes up the DSP.
The key driving module in the AP 601 may send a wake-up notification to the DSP system module of the DSP 602 through the SPI bus between the AP 601 and the DSP 602, so that the DSP system module of the DSP 602 wakes up the DSP 602.
And S703, the key driving module can also send an initialization notification to the camera application module according to the received shooting instruction.
The camera application module can create a camera instance according to the initialization notification and carry the extremely fast blind shooting mark to realize the initialization of the camera application.
It should be noted that S701, S702, and S703 may be executed simultaneously.
And S704, the sensor driving module can send a power-on completion notification to the DSP system module after the sensor is powered on.
The sensor driving module in the AP 601 may send the power-on completion notification to the DSP system module of the DSP 602 through the SPI bus between the AP 601 and the DSP 602.
And S705, the DSP system module can initialize the sensor after the DSP is awakened and control the sensor to continuously sense light.
The DSP system module of the DSP 602 may initialize the sensor through the I2C bus between the DSP 602 and the sensor 603. The DSP system module of the DSP 602 may control the sensor to continuously sense light via the I2C bus between the DSP 602 and the sensor 603.
S706, the DSP system module carries out 3A algorithm processing on the image output by the sensor to obtain an unprocessed digital image.
The DSP system module of the DSP 602 can obtain the image output from the sensor through the MIPI bus between the DSP 602 and the sensor 603.
And S707, the DSP system module stores the unprocessed digital image.
And S708, the application processing module sends a photographing command to the DSP system module.
The application processing module of the AP 601 may send a photographing command to the DSP system module through the SPI bus between the AP 601 and the DSP 602 after the initialization of the camera application is completed.
And S709, the DSP system module sends the image processed by the DSP system module to an application processing module according to the photographing command.
A DSP system module in the DSP 602 may send the image processed by the DSP to an application processing module of the AP 601 through an MIPI bus between the AP 601 and the DSP 602.
And S710, processing the image acquired from the DSP by the application processing module to obtain a target image.
According to the image processing method and the electronic device, the DSP system module can initialize the sensor after the DSP is awakened, controls the sensor to continuously sense light, reduces the work of the AP, enables the AP and the DSP to work in parallel, effectively shortens the time for acquiring the target image, namely shortens the shooting time, and improves the user experience.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An image processing method of an electronic device, the electronic device comprising: an application processor AP, a digital signal processor DSP and a sensor, the method comprising:
the AP controls the sensor to be powered on and awakens the DSP according to the received shooting instruction;
after the DSP is awakened, the DSP initializes the sensor and controls the sensor to continuously sense light;
the DSP acquires an image output by the sensor and processes the image output by the sensor;
the AP acquires an image from the DSP and processes the image acquired from the DSP to obtain a target image;
after the sensor is powered on, the AP sends a notification to the DSP through the sensor driving module and a serial peripheral interface bus connected between the AP and the DSP, so that the DSP determines that the sensor is powered on;
the AP obtaining the image from the DSP comprises:
the AP sends a photographing command to the DSP;
and the DSP sends the image processed by the DSP to the AP according to the photographing command.
2. The method according to claim 1, wherein before the AP controls the sensor to be powered on and wakes up the DSP according to the received shooting instruction, the method further comprises:
and the AP receives the shooting instruction input by a preset key and/or a voice input device.
3. The method of claim 1, wherein the controlling the sensor to be continuously sensitive comprises:
and the DSP controls the sensor to continuously sense light by writing exposure parameters into a register of the sensor.
4. The method of claim 1, wherein the processing the image output by the sensor comprises:
the DSP performs 3A algorithm processing on the image output by the sensor; the 3A algorithm comprises: automatic white balance algorithm, automatic focusing algorithm, automatic exposure algorithm.
5. The method of claim 1, wherein after processing the image output by the sensor, the method further comprises:
and the DSP stores the image processed by the DSP.
6. An electronic device, comprising: an application processor AP, a digital signal processor DSP and a sensor; the AP is connected with the DSP, the AP is also connected with the sensor, and the DSP is also connected with the sensor;
the AP is used for controlling the sensor to be powered on and awakening the DSP according to the received shooting instruction;
the DSP is used for initializing the sensor after awakening, controlling the sensor to continuously sense light, acquiring an image output by the sensor and processing the image output by the sensor;
the AP is also used for obtaining the processed image from the DSP to obtain a target image;
after the sensor is powered on, the AP sends a notification to the DSP through the sensor driving module and a serial peripheral interface bus connected between the AP and the DSP, so that the DSP determines that the sensor is powered on;
the AP is specifically configured to send a photographing command to the DSP, and receive the processed image sent by the DSP according to the photographing command.
7. The electronic device of claim 6,
the AP is further used for receiving the shooting instruction input through a preset key and/or a voice input device before controlling the sensor to be powered on and awaken the DSP according to the received shooting instruction.
8. The electronic device of claim 6, wherein the DSP comprises: a processing module and a register of the sensor; the AP is connected with the processing module, and the processing module is also connected with the sensor through the register;
and the processing module is used for controlling the sensor to continuously sense light by writing exposure parameters into a register of the sensor.
9. The electronic device of claim 6,
the DSP is specifically used for carrying out 3A algorithm processing on the image output by the sensor; the 3A algorithm comprises: automatic white balance algorithm, automatic focusing algorithm, automatic exposure algorithm.
10. The electronic device of claim 6,
the DSP is also used for storing the processed image after processing the image output by the sensor.
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| CN107360342A (en) * | 2017-06-30 | 2017-11-17 | 维沃移动通信有限公司 | The processing method and mobile terminal of a kind of view data |
| CN107222686A (en) * | 2017-06-30 | 2017-09-29 | 维沃移动通信有限公司 | A kind for the treatment of method and apparatus of view data |
| CN109819139B (en) * | 2017-11-22 | 2022-01-07 | 瑞芯微电子股份有限公司 | Intelligent electronic equipment and image processing unit, device and method |
| CN109981969B (en) * | 2017-12-28 | 2020-05-15 | 福州瑞芯微电子股份有限公司 | Intelligent electronic equipment, image processing unit and image processing method |
| CN109756664B (en) * | 2017-11-08 | 2020-09-11 | 瑞芯微电子股份有限公司 | Intelligent electronic equipment and image processing unit, device and method |
| WO2019091423A1 (en) * | 2017-11-08 | 2019-05-16 | Fuzhou Rockchip Electronics Co., Ltd. | An image‐processing microprocessor for supporting an application processor and multiple cameras |
| CN108076287B (en) * | 2017-12-14 | 2020-01-03 | 维沃移动通信有限公司 | Image processing method, mobile terminal and computer readable storage medium |
| CN111669482A (en) * | 2019-03-07 | 2020-09-15 | 福州瑞芯微电子股份有限公司 | Image processing method, system, medium, chip and structural optoelectronic device |
| CN113873141B (en) * | 2020-06-30 | 2023-07-25 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN111988511B (en) * | 2020-08-31 | 2021-08-27 | 展讯通信（上海）有限公司 | Wearable equipment and image signal processing device thereof |
| CN112887632A (en) * | 2021-01-08 | 2021-06-01 | 深圳市龙之源科技股份有限公司 | Monitoring equipment rapid photographing processing method and device, monitoring equipment and storage |
| WO2023160224A1 (en) * | 2022-02-28 | 2023-08-31 | 荣耀终端有限公司 | Photographing method and related device |
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