CN112616013B - Method and apparatus for implementing automatic HDR - Google Patents
Method and apparatus for implementing automatic HDR Download PDFInfo
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- CN112616013B CN112616013B CN202011401607.2A CN202011401607A CN112616013B CN 112616013 B CN112616013 B CN 112616013B CN 202011401607 A CN202011401607 A CN 202011401607A CN 112616013 B CN112616013 B CN 112616013B
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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
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
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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
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/57—Control of the dynamic range
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Abstract
The invention aims to provide a method and equipment for realizing automatic HDR, which can automatically switch HDR modes according to various judgment conditions through the current environment, and can automatically judge how to use different HDR modes when the HDR modes are automatically switched. In addition, the present invention can determine whether to switch between a plurality of HDR modes by using the flag value used in the switching condition, and by taking the characteristics of different types of camera chip sensors into consideration when switching between the HDR modes, and by using intelligence according to the types of the camera chip sensors.
Description
Technical Field
The invention relates to a method and equipment for realizing automatic HDR.
Background
With the rapid popularization of image acquisition equipment in various fields, the application scenes of the image acquisition equipment are more complex and diversified, the dynamic range of an image changes along with the change of the conditions such as scenes, illumination and the like, and in order to obtain the optimal image effect in real time, the image pickup state needs to be switched, wherein the image pickup state comprises the following steps: wide dynamics and linear states.
In the prior art, in order to obtain the best shooting effect, a user generally manually switches the shooting state according to the experience of the user and the current shooting scene, which causes great challenges to both professional knowledge and workload of the user.
Most of the ordinary users do not have professional photographic knowledge and skills, and the ordinary users do not know which scenes should use the HDR mode (High-Dynamic Range), so that the manual switching of the HDR mode is not intelligent enough, and is inconvenient for the ordinary users to use.
Disclosure of Invention
An object of the present invention is to provide a method and apparatus for implementing automatic HDR.
According to an aspect of the present invention, there is provided a method of implementing automatic HDR, the method comprising:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
Further, in the above method, the first corresponding relationship includes:
the corresponding relation between the photosensitive resistance value and the brightness mark bit value.
Further, in the above method, the first corresponding relationship includes:
and the corresponding relation between the gain parameter value and the gain flag bit value.
Further, in the above method, the first corresponding relationship includes:
the corresponding relation between the ratio of high brightness to low brightness and the value of the ratio flag.
According to another aspect of the present invention, there is also provided an apparatus for implementing automatic HDR, wherein the apparatus comprises:
the configuration device is used for acquiring a configuration file issued by an application, and the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
the flag bit device is used for acquiring a configuration parameter value under the current shooting environment and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
the mode device is used for acquiring the model of the current camera chip sensor and acquiring an HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation; based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and the issuing device issues the optimal HDR mode to a system for execution.
Further, in the above device, the first corresponding relationship includes:
the corresponding relation between the photosensitive resistance value and the brightness mark bit value.
Further, in the above device, the first corresponding relationship includes:
and the corresponding relation between the gain parameter value and the gain flag bit value.
Further, in the above device, the first corresponding relationship includes:
the corresponding relation between the ratio of high brightness to low brightness and the value of the ratio flag.
According to another aspect of the present invention, there is also provided a computing-based device, including:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
According to another aspect of the present invention, there is also provided a computer-readable storage medium having stored thereon computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
Compared with the prior art, the HDR mode can be automatically switched according to various judgment conditions through the current environment, and when the HDR mode is automatically switched, different HDR modes can be automatically judged to be used differently. In addition, the present invention can determine whether to switch between a plurality of HDR modes by using the flag value used in the switching condition, and by taking the characteristics of different types of camera chip sensors into consideration when switching between the HDR modes, and by using intelligence according to the types of the camera chip sensors.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 shows a flow chart of a method of implementing automatic HDR according to an embodiment of the present invention.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
The invention provides a method for realizing automatic HDR, which comprises the following steps:
step S1, obtaining a configuration file issued by an application (app), where the configuration file has recorded therein: a first corresponding relation between a configuration parameter (appSeneMode) value and a mark bit value, a second corresponding relation between a model of a camera chip sensor (sensor) and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
here, various HDR modes to be currently used, which are passed down from the APP, may be acquired and assigned to the HDRMode of the device; then, whether the current HDRMode value is in an automatic HDR mode can be judged, if not, various HDR modes can be directly transmitted to a system for storage; if the mode is the automatic HDR mode, the subsequent steps can be carried out, a configuration parameter table issued by the app is obtained, and different flag bit values are set according to the configuration parameters under the current shooting environment;
step S2, acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
step S3, acquiring a model of a current camera chip sensor (sensor), and acquiring an HDR mode corresponding to the model of the current camera chip sensor based on the second correspondence;
here, according to the difference of the types of the sensors, all HDR modes that the types of the sensors can support may be obtained from the configuration file, and these modes are written into the hdrsencetable array, where the hdrsencetable also includes a linear mode and a linear wide dynamic mode;
step S4, based on the third correspondence, obtaining an HDR mode corresponding to the obtained corresponding flag bit value from the obtained HDR modes corresponding to the current camera chip sensor model by screening, and taking the obtained HDR mode by screening as an optimal HDR mode;
here, according to the third correspondence, based on different flag values, the currently most suitable HDR mode supported by the sensor in the hdrsenecetable array is dynamically obtained and assigned to the HDRMode.
And step S5, issuing the optimal HDR mode to a system for execution.
Here, the HDRMode parameter values are issued to the system for execution.
The invention can automatically switch HDR modes according to various judgment conditions through the current environment, and can automatically judge how to use different HDR modes when the HDR modes are automatically switched. In addition, the present invention can determine whether to switch between a plurality of HDR modes by using the flag value used in the switching condition, and by taking the characteristics of different types of camera chip sensors into consideration when switching between the HDR modes, and by using intelligence according to the types of the camera chip sensors.
In an embodiment of the method for implementing automatic HDR, the first corresponding relationship includes:
the corresponding relation between the photosensitive resistance value and the brightness mark bit value.
In this case, a function may be called to obtain the photo resistance value, and the brightness flag value may be set according to the photo resistance value, so as to ensure that an accurate and optimal HDR mode may be obtained subsequently.
In an embodiment of the method for implementing automatic HDR, the first corresponding relationship includes:
and the corresponding relation between the gain parameter value and the gain flag bit value.
Here, the current gain parameter value (DB value) can be obtained from AE (automatic exposure module), and the gain flag value is set according to the current DB value, ensuring that the accurate and optimal HDR mode can be obtained subsequently.
In an embodiment of the method for implementing automatic HDR, the first corresponding relationship includes:
the corresponding relation between the ratio of high brightness to low brightness and the value of the ratio flag.
Here, the ratio of the high luminance to the low luminance to the overall luminance may be read from the luminance histogram, and the ratio flag value may be set according to the ratio.
According to another aspect of the present invention, there is also provided an apparatus for implementing automatic HDR, wherein the apparatus comprises:
the configuration device is used for acquiring a configuration file issued by an application, and the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
the flag bit device is used for acquiring a configuration parameter value under the current shooting environment and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
the mode device is used for acquiring the model of the current camera chip sensor and acquiring an HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation; based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and the issuing device issues the optimal HDR mode to a system for execution.
Further, in the above device, the first corresponding relationship includes:
the corresponding relation between the photosensitive resistance value and the brightness mark bit value.
Further, in the above device, the first corresponding relationship includes:
and the corresponding relation between the gain parameter value and the gain flag bit value.
Further, in the above device, the first corresponding relationship includes:
the corresponding relation between the ratio of high brightness to low brightness and the value of the ratio flag.
According to another aspect of the present invention, there is also provided a computing-based device, including:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
According to another aspect of the present invention, there is also provided a computer-readable storage medium having stored thereon computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
For details of embodiments of each device and storage medium of the present invention, reference may be made to corresponding parts of each method embodiment, and details are not described herein again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
It should be noted that the present invention may be implemented in software and/or in a combination of software and hardware, for example, as an Application Specific Integrated Circuit (ASIC), a general purpose computer or any other similar hardware device. In one embodiment, the software program of the present invention may be executed by a processor to implement the steps or functions described above. Also, the software programs (including associated data structures) of the present invention can be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Further, some of the steps or functions of the present invention may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
In addition, some of the present invention can be applied as a computer program product, such as computer program instructions, which when executed by a computer, can invoke or provide the method and/or technical solution according to the present invention through the operation of the computer. Program instructions which invoke the methods of the present invention may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the invention herein comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform a method and/or solution according to embodiments of the invention as described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. A method of implementing automatic HDR, wherein the method comprises:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
2. The method of claim 1, wherein the first correspondence comprises:
the corresponding relation between the photosensitive resistance value and the brightness mark bit value.
3. The method of claim 1, wherein the first correspondence comprises:
and the corresponding relation between the gain parameter value and the gain flag bit value.
4. The method of claim 1, wherein the first correspondence comprises:
the corresponding relation between the ratio of high brightness to low brightness and the value of the ratio flag.
5. An apparatus for implementing automatic HDR, wherein the apparatus comprises:
the configuration device is used for acquiring a configuration file issued by an application, and the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
the flag bit device is used for acquiring a configuration parameter value under the current shooting environment and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
the mode device is used for acquiring the model of the current camera chip sensor and acquiring an HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation; based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and the issuing device issues the optimal HDR mode to a system for execution.
6. The apparatus of claim 5, wherein the first correspondence comprises:
the corresponding relation between the photosensitive resistance value and the brightness mark bit value.
7. The apparatus of claim 5, wherein the first correspondence comprises:
and the corresponding relation between the gain parameter value and the gain flag bit value.
8. The apparatus of claim 5, wherein the first correspondence comprises:
the corresponding relation between the ratio of high brightness to low brightness and the value of the ratio flag.
9. A computing-based device, comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
10. A computer-readable storage medium having computer-executable instructions stored thereon, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
acquiring a configuration file issued by an application, wherein the configuration file records: configuring a first corresponding relation between a parameter value and a mark bit value, a second corresponding relation between the model of a camera chip sensor and an HDR mode, and a third corresponding relation between the mark bit value and the HDR mode;
acquiring a configuration parameter value under the current shooting environment, and acquiring a flag bit value corresponding to the configuration parameter value under the current shooting environment based on the first corresponding relation;
acquiring the model of the current camera chip sensor, and acquiring the HDR mode corresponding to the model of the current camera chip sensor based on the second corresponding relation;
based on the third corresponding relation, the HDR mode corresponding to the obtained corresponding mark bit value is obtained by screening from the obtained HDR modes corresponding to the model of the current camera chip sensor, and the HDR mode obtained by screening is used as the optimal HDR mode;
and issuing the optimal HDR mode to a system for execution.
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Effective date of registration: 20220921 Address after: Room K517, Pioneer Building, Pioneer Park, No. 18, Gaoxin 2nd Road, Nanchang High-tech Industrial Development Zone, Nanchang City, Jiangxi Province, 330096 Patentee after: Nanchang Longqi Intelligent Technology Co.,Ltd. Address before: Floor 1, Building 401 Caobao Road, Xuhui District, Shanghai, 2003 Patentee before: SHANGHAI LONGCHEER TECHNOLOGY Co.,Ltd. |