CN112866582B - Sensitization processing method, device and equipment - Google Patents
Sensitization processing method, device and equipment Download PDFInfo
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- CN112866582B CN112866582B CN202110438722.5A CN202110438722A CN112866582B CN 112866582 B CN112866582 B CN 112866582B CN 202110438722 A CN202110438722 A CN 202110438722A CN 112866582 B CN112866582 B CN 112866582B
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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
- H04N23/71—Circuitry for evaluating the brightness variation
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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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
Abstract
The invention relates to the technical field of photographing, in particular to a photosensitive processing method, a photosensitive processing device and photosensitive processing equipment, wherein the photosensitive processing method comprises the steps of collecting the illumination intensity of the current environment; calculating the standard exposure time for photographing in the current environment according to the illumination intensity of the current environment; in the photographing process, exposure processing is carried out according to the standard exposure duration so as to obtain a photographed picture; finally, displaying the photographed picture on a display screen; the screen brightness of the display screen can be adjusted according to the illumination intensity. By adopting the technical scheme of the invention, the exposure time of the photo can be adjusted according to the current illumination intensity, the influence of the illumination intensity on the quality of the photo is reduced, and people can obtain a clearer photo.
Description
Technical Field
The invention relates to the technical field of photographing, in particular to a photosensitive processing method, a photosensitive processing device and photosensitive processing equipment.
Background
Photographing techniques are currently used in many scenarios. In daily life, people can record nice moments by taking pictures; in the working process, the identity authentication can be carried out by taking a face photo.
However, in different time intervals and different positions, the light intensity is different, and the quality of the picture is affected by the over-strong or over-weak light, so that the picture is unclear.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method, an apparatus and a device for sensitization processing, so as to overcome the problem that the quality of a photo is affected by over-strong or over-weak light, which is not clear, in different time intervals and different positions at present.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of photosensitive processing comprising:
collecting the illumination intensity of the current environment;
calculating the standard exposure time for photographing in the current environment according to the illumination intensity;
in the photographing process, exposure processing is carried out according to the standard exposure duration so as to obtain a photographed picture;
displaying the photographed picture on a display screen; and the screen brightness of the display screen can be adjusted according to the illumination intensity.
Further, the above photosensitive processing method, before displaying the photographed picture on a display screen, further includes:
calculating the updated brightness according to the illumination intensity by adopting a preset brightness adjusting algorithm;
and adjusting the brightness of the display screen to adjust the brightness of the display screen from the current screen brightness to the updated brightness.
Further, in the above photosensitive processing method, the preset brightness adjustment algorithm includes:
SL ＝ a1×LI ＋ b1
wherein SL represents the updated brightness; LI represents the illumination intensity; a1 and b1 are luminance adjustment coefficients.
Further, in the above photosensitive processing method, the value of a1 includes 0.0117; and/or
Values for b1 include 0.559.
Further, the above photosensitive processing method, calculating a standard exposure time for taking a picture in the current environment according to the illumination intensity, includes:
calculating the standard exposure time for photographing in the current environment according to the following formula;
T ＝ a2×LI ＋ b2
wherein T represents the standard exposure time length; LI represents the illumination intensity; a2 and b2 are exposure adjustment coefficients.
Further, in the above photosensitive processing method, the value of a2 includes-0.0038; and/or
The values of b2 include 0.0478.
Further, the present invention also provides a photosensitive processing apparatus, comprising:
the acquisition module is used for collecting the illumination intensity of the current environment;
the calculation module is used for calculating the standard exposure time for photographing in the current environment according to the illumination intensity;
the photographing module is used for carrying out exposure processing according to the standard exposure duration in the photographing process so as to obtain a photographed picture;
the display module is used for displaying the photographed picture on a display screen; and the screen brightness of the display screen can be adjusted according to the illumination intensity.
Further, the above photosensitive processing apparatus further includes an adjusting module;
before the photographed picture is displayed on the display screen, the calculating module is used for calculating and updating the brightness according to the illumination intensity by adopting a preset brightness adjusting algorithm;
the adjusting module is used for adjusting the brightness of the display screen so as to adjust the brightness of the display screen from the current screen brightness to the updated brightness.
Further, the calculating module of the photosensitive processing apparatus is configured to calculate a standard exposure time for taking a picture in the current environment according to the following formula;
T ＝ a2×LI ＋ b2
wherein T represents the standard exposure time length; LI represents the illumination intensity; a2 and b2 are exposure adjustment coefficients.
According to one inventive concept, the photosensitive processing device comprises a processor and a memory, wherein the processor is connected with the memory:
the processor is used for calling and executing the program stored in the memory;
the memory is used for storing the program, and the program is at least used for executing any sensitization processing method.
The invention relates to a photosensitive processing method, a photosensitive processing device and photosensitive processing equipment, wherein the method comprises the steps of collecting the illumination intensity of the current environment; calculating the standard exposure time for photographing in the current environment according to the illumination intensity; in the photographing process, exposure processing is carried out according to the standard exposure duration so as to obtain a photographed picture; displaying the photographed picture on a display screen; and the screen brightness of the display screen is adjusted according to the illumination intensity. According to the technical scheme, the exposure time of the photo can be adjusted according to the current illumination intensity, the influence of the illumination intensity on the quality of the photo is reduced, and the photo processed by the method is clearer compared with the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart provided by one embodiment of the sensitization processing method of the present invention;
FIG. 2 is a schematic structural diagram of a photosensitive processing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a photosensitive processing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
FIG. 1 is a flow chart of a sensitization process according to an embodiment of the invention.
As shown in fig. 1, the method of the present embodiment may include the following steps:
and S11, acquiring the illumination intensity of the current environment.
After a photographing instruction of the user is detected, the photographing program can be executed, and the illumination intensity of the current environment is acquired.
The unit of the illumination intensity of the current environment is lux. Specifically, specific parameters can be identified through the camera light sensor and converted into specific values through the system light sensing function.
And S12, calculating the standard exposure time for taking pictures in the current environment according to the illumination intensity.
After the illumination intensity is obtained, the standard exposure time for photographing in the current environment can be calculated according to the illumination intensity.
In some alternative embodiments, through big data sampling and experimental analysis, the optimal range of exposure time is 0.002-0.067 seconds, and overexposure results in excessive brightness of the picture, more noise, and more obvious influence caused by object motion, such as generation of smear, picture blur, etc. If the exposure time is too short, the picture will be too dark and the picture will not be recognized. The illumination intensity is inversely related to the exposure time, and the exposure time is shorter as the illumination intensity is larger. Specifically, the standard exposure time in the current environment can be calculated by the following formula:
T ＝ a2×LI ＋ b2
wherein T represents a standard exposure time period; LI represents the illumination intensity; a2 and b2 are exposure adjustment coefficients.
In some alternative embodiments, the value of a2 includes-0.0038 and the value of b2 includes 0.0478. When the value of a2 is-0.0038 and the value of b2 is 0.0478, the optimal standard exposure time length can be obtained, so that the exposure time is controlled within the optimal range of 0.002-0.067 seconds, and the obtained picture is clearer.
And S13, in the photographing process, carrying out exposure processing according to the standard exposure time length to obtain a photographed picture.
And in the photographing process, exposure processing is carried out according to the standard exposure time length to obtain the best picture, namely the photographed picture.
And S14, displaying the photographed picture on the display screen.
And displaying the generated optimal picture on a display screen for a user to view.
The screen brightness of the display screen can be adjusted according to the illumination intensity.
In some alternative embodiments, before performing this step, the following steps may be performed:
the method comprises the following steps: calculating the updated brightness according to the illumination intensity by adopting a preset brightness adjusting algorithm;
step two: and adjusting the brightness of the display screen to adjust the brightness of the display screen from the current screen brightness to the updated brightness.
Specifically, the updated brightness may be calculated according to the illumination intensity, so that the brightness of the display screen is adjusted to the updated brightness, which is convenient for the user to view.
In some optional embodiments, through experimental analysis and big data test values, the illumination intensity range is between-5 and 12, the larger the parameter value is, the brighter the environment is, the screen brightness range is between 0.5 and 0.7 is the most suitable, and the most suitable is the visual requirement. Specifically, the screen optimum screen brightness can be obtained by the following formula:
SL ＝ a1×LI ＋ b1
wherein SL represents the update luminance; LI represents the illumination intensity; a1 and b1 are luminance adjustment coefficients.
The unit of screen brightness is nit (nit).
In some alternative embodiments, the value of a1 includes 0.0117; values for b1 include 0.559. When a1 takes a value of 0.0117 and b1 takes a value of 0.559, the best screen brightness of the screen can be obtained, and the screen brightness is between 0.5 and 0.7, which meets the requirements of human eyes.
The sensitization processing method comprises the steps of collecting the illumination intensity of the current environment; calculating the standard exposure time for photographing in the current environment according to the illumination intensity; in the photographing process, exposure processing is carried out according to the standard exposure duration so as to obtain a photographed picture; displaying the photographed picture on a display screen; and the screen brightness of the display screen is adjusted according to the illumination intensity. According to the technical scheme, the exposure time of the photo can be adjusted according to the current illumination intensity, the influence of the illumination intensity on the quality of the photo is reduced, and people can obtain the clearer photo.
Based on a general inventive concept, the invention also provides a photosensitive processing device for implementing the method embodiment.
FIG. 2 is a schematic structural diagram of a photosensitive processing apparatus according to an embodiment of the present invention.
As shown in fig. 2, the apparatus of the present embodiment includes: the system comprises a collection module 21, a calculation module 22, a photographing module 23 and a display module 24;
the acquisition module 21 is used for collecting the illumination intensity of the current environment;
the calculation module 22 is configured to calculate a standard exposure time for taking a picture in the current environment according to the illumination intensity;
the photographing module 23 is configured to perform exposure processing according to a standard exposure duration in a photographing process to obtain a photographed picture;
the display module 24 is used for displaying the photographed picture on a display screen; the screen brightness of the display screen can be adjusted according to the illumination intensity.
In the photosensitive processing device, an acquisition module 21 acquires the illumination intensity of the current environment; the calculation module 22 calculates the standard exposure time for taking a picture in the current environment according to the illumination intensity; in the photographing process, the photographing module 23 performs exposure processing according to the standard exposure duration to obtain a photographed picture; the display module 24 displays the photographed picture on a display screen; and the screen brightness of the display screen is adjusted according to the illumination intensity. According to the technical scheme, the exposure time of the photo can be adjusted according to the current illumination intensity, the influence of the illumination intensity on the quality of the photo is reduced, and people can obtain the clearer photo.
In some optional embodiments, the system further comprises an adjusting module;
before the photographed picture is displayed on the display screen, the calculation module 22 is used for calculating and updating the brightness according to the illumination intensity by adopting a preset brightness adjustment algorithm;
and the adjusting module is used for adjusting the brightness of the display screen so as to adjust the brightness of the display screen from the current screen brightness to the updated brightness.
In some optional embodiments, the preset brightness adjustment algorithm comprises:
SL ＝ a1×LI ＋ b1
wherein SL represents the update luminance; LI represents the illumination intensity; a1 and b1 are luminance adjustment coefficients.
In some alternative embodiments, the value of a1 includes 0.0117; and/or
Values for b1 include 0.559.
In some optional embodiments, the calculating module is configured to calculate a standard exposure duration for taking a picture in a current environment according to the following formula;
T ＝ a2×LI ＋ b2
wherein T represents a standard exposure time period; LI represents the illumination intensity; a2 and b2 are exposure adjustment coefficients.
In some alternative embodiments, the value of a2 includes-0.0038; and/or
The values of b2 include 0.0478.
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.
Based on one general inventive concept, the invention also provides photosensitive processing equipment for realizing the method embodiment.
FIG. 3 is a schematic structural diagram of a photosensitive processing apparatus according to an embodiment of the present invention.
As shown in fig. 3, the photosensitive processing apparatus of the present embodiment includes a processor 31 and a memory 32, and the processor 31 is connected to the memory 32. Wherein, the processor 31 is used for calling and executing the program stored in the memory 32; the memory 32 is used to store a program for executing at least the photoreception processing method in the above embodiment.
According to the technical scheme, the exposure time of the photo can be adjusted according to the current illumination intensity, the influence of the illumination intensity on the quality of the photo is reduced, and people can obtain the clearer photo.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A method of photosensitive processing, comprising:
collecting the illumination intensity of the current environment;
calculating the standard exposure time for photographing in the current environment according to the illumination intensity;
in the photographing process, exposure processing is carried out according to the standard exposure duration so as to obtain a photographed picture;
displaying the photographed picture on a display screen; the screen brightness of the display screen can be adjusted according to the illumination intensity;
calculating the standard exposure time for taking pictures in the current environment according to the illumination intensity, wherein the standard exposure time comprises the following steps:
calculating the standard exposure time for photographing in the current environment according to the following formula;
T ＝ a2×LI ＋ b2
wherein T represents the standard exposure time length; LI represents the illumination intensity; a2 and b2 are exposure adjustment coefficients;
the value of a2 includes-0.0038; and/or
The values of b2 include 0.0478.
2. The photosensitive processing method according to claim 1, wherein before displaying the photographed picture on a display screen, further comprising:
calculating the updated brightness according to the illumination intensity by adopting a preset brightness adjusting algorithm;
and adjusting the brightness of the display screen to adjust the brightness of the display screen from the current screen brightness to the updated brightness.
3. A photosensitive processing method according to claim 2, wherein the preset brightness adjustment algorithm comprises:
SL ＝ a1×LI ＋ b1
wherein SL represents the updated brightness; LI represents the illumination intensity; a1 and b1 are luminance adjustment coefficients.
4. A photosensitive processing method according to claim 3, wherein the value of a1 includes 0.0117; and/or
Values for b1 include 0.559.
5. A photosensitive processing apparatus, comprising:
the acquisition module is used for collecting the illumination intensity of the current environment;
the calculation module is used for calculating the standard exposure time for photographing in the current environment according to the illumination intensity;
the photographing module is used for carrying out exposure processing according to the standard exposure duration in the photographing process so as to obtain a photographed picture;
the display module is used for displaying the photographed picture on a display screen; the screen brightness of the display screen can be adjusted according to the illumination intensity;
the calculation module is used for calculating the standard exposure time for photographing in the current environment according to the following formula;
T ＝ a2×LI ＋ b2
wherein T represents the standard exposure time length; LI represents the illumination intensity; a2 and b2 are exposure adjustment coefficients;
the value of a2 includes-0.0038; and/or
The values of b2 include 0.0478.
6. The photosensitive processing apparatus according to claim 5, further comprising an adjustment module;
before the photographed picture is displayed on the display screen, the calculating module is used for calculating and updating the brightness according to the illumination intensity by adopting a preset brightness adjusting algorithm;
the adjusting module is used for adjusting the brightness of the display screen so as to adjust the brightness of the display screen from the current screen brightness to the updated brightness.
7. A photosensitive processing apparatus comprising a processor and a memory, the processor coupled to the memory:
the processor is used for calling and executing the program stored in the memory;
the memory for storing the program for executing at least the sensitization processing method according to any one of claims 1-4.
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| CN104869322A (en) * | 2015-05-06 | 2015-08-26 | 惠州Tcl移动通信有限公司 | Eyeprint identification based mobile terminal camera self-adaptation adjustment method and system |
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| US7928955B1 (en) * | 2000-03-13 | 2011-04-19 | Intel Corporation | Automatic brightness control for displays |
| TW200743067A (en) * | 2006-05-05 | 2007-11-16 | Benq Corp | Portable electronic apparatus is capable of adjusting backlight automatically and adjusting method of backlight thereof |
| CN104754239B (en) * | 2015-04-14 | 2018-07-03 | 广东欧珀移动通信有限公司 | Photographic method and device |
| CN105554412B (en) * | 2016-02-15 | 2018-03-16 | 广东欧珀移动通信有限公司 | A kind of photographic method based on screen light filling, device and mobile terminal |
| CN106683638B (en) * | 2016-12-19 | 2020-02-11 | Oppo广东移动通信有限公司 | Method and device for adjusting screen |
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| CN104869322A (en) * | 2015-05-06 | 2015-08-26 | 惠州Tcl移动通信有限公司 | Eyeprint identification based mobile terminal camera self-adaptation adjustment method and system |
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