CN106791474B - Flash starting processing method and system of mobile terminal - Google Patents
Flash starting processing method and system of mobile terminal Download PDFInfo
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- CN106791474B CN106791474B CN201710046366.6A CN201710046366A CN106791474B CN 106791474 B CN106791474 B CN 106791474B CN 201710046366 A CN201710046366 A CN 201710046366A CN 106791474 B CN106791474 B CN 106791474B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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Abstract
The invention discloses a flash starting processing method and a system of a mobile terminal, wherein the flash starting processing method of the mobile terminal comprises the following steps: when the mobile terminal enables flashing and takes a picture, when the situation that a user presses a picture taking key is detected, the flash delay time stored currently is obtained; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed; and controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded. According to the invention, when the mobile terminal starts flashing and takes a picture, the flashing starting time is automatically recorded, and when the picture is taken again, the flashing is automatically started according to the currently stored previous customary flashing starting time, so that the total time for flashing and starting when the flash lamp is used for taking a picture can be reduced, and the electric quantity is saved.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a flash starting processing method and system of a mobile terminal.
Background
Flash (flash) is one of the most important additional functions in the photographic function, and the main purpose of the flash (flash) is to make the taken picture brighter so as to adapt to the dark environment or the place with insufficient light for taking pictures and shooting. In the prior art, because it is uncertain which frame of image data is used by various photographic software as the stored photo, if the user enables the flash, the flash is turned on when the photographing key is pressed, and the flash is turned off after the photographing is finished. The method can make the mobile terminal adapt to various photographic software, but also has the defect of electricity waste caused by long flash time, for example, a certain mobile terminal camera outputs 8 frames of images in total when taking pictures, if a certain photographic software saves the 3 rd frame of image data as a picture; in the prior art, the flash lights are turned on from the 1 st frame to the 8 th frame during photographing, and actually only need to be turned on at the 3 rd frame.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a flash start processing method and system for a mobile terminal, so as to solve the problem of power waste caused by long flash start time when the mobile terminal is photographed in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a flash start processing method of a mobile terminal includes the steps:
when the mobile terminal enables flashing and takes a picture, when the situation that a user presses a picture taking key is detected, the flash delay time stored currently is obtained; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed;
and controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded.
The flash starting processing method of the mobile terminal, wherein the step of calculating the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image comprises the following steps:
when the mobile terminal enables flashing and takes a picture, when a user presses a picture taking key, storing a time difference value between when the user presses the picture taking key and when a picture taking image is obtained into a preset shift register;
and obtaining the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the ratio of the sum of all the time difference values stored in the shift register to the number of bits of the shift register.
The flash starting processing method of the mobile terminal, wherein the step of calculating the time difference between the pressing of the photographing key and the acquisition of the photographed image comprises the following steps:
when the fact that a user presses a photographing key is detected, recording the current time for pressing the photographing key;
when the image data is detected to be saved, recording the current image data saving time;
and obtaining the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the difference between the pressing of the photographing key and the image data storage time.
The flash starting processing method of the mobile terminal, wherein the step of automatically starting flash when the mobile terminal is controlled to wait for the flash delay time to exceed comprises the following steps:
when detecting that a user presses a photographing key, starting a timer with overtime as the flash delay time;
when the timer times out, a flash is automatically started.
The flash starting processing method of the mobile terminal is characterized in that the preset times are 10 times.
A flash start processing system of a mobile terminal, comprising:
the mobile terminal comprises a detection module, a storage module and a storage module, wherein the detection module is used for obtaining the flash delay time stored currently when detecting that a user presses a photographing key when the mobile terminal enables flash and photographs; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed;
and the control module is used for controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded.
The flash starting processing system of the mobile terminal, wherein the detection module comprises:
the time difference storage unit is used for storing a time difference value between the time when the user presses the photographing key and the time when the user presses the photographing key to obtain a photographed image into a preset shift register when the mobile terminal enables flashing and photographing;
and the average value calculating unit is used for obtaining the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the ratio of the sum of all the time difference values stored in the shift register to the number of bits of the shift register.
The flash starting processing system of the mobile terminal, wherein the detection module comprises:
the first time recording unit is used for recording the current time for pressing the photographing key when the photographing key is detected to be pressed by a user;
a second time recording unit for recording the current image data saving time when the image data saving is detected;
and the time difference calculating unit is used for obtaining the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the difference between the pressing of the photographing key and the image data storage time.
The flash starting processing system of the mobile terminal, wherein the control module comprises:
the timer starting unit is used for starting a timer with overtime as the flash delay time when detecting that the user presses the photographing key;
and the flash starting unit is used for automatically starting flash when the timer is overtime.
The flash starting processing system of the mobile terminal is characterized in that the preset times are 10 times.
In summary, the present invention provides a flash start processing method and system for a mobile terminal, the method includes the steps of: when the mobile terminal enables flashing and takes a picture, when the situation that a user presses a picture taking key is detected, the flash delay time stored currently is obtained; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed; and controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded. According to the invention, when the mobile terminal starts flashing and takes a picture, the flashing starting time is automatically recorded, and when the picture is taken again, the flashing is automatically started according to the currently stored previous customary flashing starting time, so that the total time for flashing and starting when the flash lamp is used for taking a picture can be reduced, and the electric quantity is saved.
Drawings
Fig. 1 is a flowchart of a flash start processing method of a mobile terminal according to a preferred embodiment of the present invention.
Fig. 2 is a schematic block diagram of a preferred embodiment of the flash start processing system of the mobile terminal of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a flash start processing method of a mobile terminal according to a preferred embodiment of the present invention. Fig. 1 shows a flash start processing method of a mobile terminal, including:
step S100, when the mobile terminal enables flashing and takes a picture, when detecting that a user presses a picture taking key, acquiring the flash delay time stored currently; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed;
and step S200, controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded.
In the embodiment of the present invention, the average value of the time difference between pressing the photographing key for the predetermined number of times and obtaining the photographed image before pressing the photographing key this time is also a conventional flash start timing before pressing the photographing key this time by the user. The predetermined number of times may be optionally set according to needs, and for example, may be set to 5 times, 10 times, or 20 times, with 10 times being preferred.
For example, assuming that the predetermined number of times is 10, and the 21 st time of pressing the photographing key for flash photographing is sequentially recorded according to the sequential order, the user corresponds to the average value of the time difference between 11 th to 20 th times of pressing the photographing key by the user and obtaining the photographed image at the customary flash starting time before pressing the photographing key for this time; if the average value of the time difference between the 11 th time and the 20 th time when the user presses the photographing key and the time when the user obtains the photographed image is 1 second, the user waits for 1 second for the user to press the photographing key at the customary flash starting time before pressing the photographing key at the current time (21 st time).
Since the number of times the user presses the photographing key to acquire a photographed image is continuously increased, the average value of the time difference between the latest, continuous and predetermined number of times of pressing the photographing key to acquire the photographed image before each time the user presses the photographing key is continuously updated and stored, that is, the flash delay time is continuously updated, that is, the conventional flash start timing before each time the user presses the photographing key is continuously updated. In the embodiment of the present invention, each time the user presses the photographing key, the flash is started with the currently stored flash delay time, that is, the flash is automatically started according to the currently newly stored previously customary flash start timing.
According to the invention, when the mobile terminal starts flashing and takes a picture, the flashing starting time is automatically recorded, and when the picture is taken again, the flashing is automatically started according to the currently stored previous customary flashing starting time, so that the total time for flashing and starting when the flash lamp is used for taking a picture can be reduced, and the electric quantity is saved.
In the step S100, when the mobile terminal enables flash (flash) and takes a picture, when it is detected that the user presses the photographing key, the flash delay time stored at present is obtained; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed; in specific implementation, when a user enables flash in a menu of a photographing function of the mobile terminal and photographs, and when the user is detected to press a mobile phone photographing key, the average value of the time difference between the time when the user presses the photographing key for a preset number of times and the time when the user presses the photographing key for the preset number of times before the user presses the photographing key for the current time is obtained.
Preferably, in step S100, each time the user enables flash and takes a picture in the menu of the photographing function, a time difference between when the user presses the photographing key and when the user acquires a photographed image in the photographing process is acquired, wherein the step of calculating the time difference between when the user presses the photographing key and when the user acquires the photographed image includes:
s101, when it is detected that a user presses a photographing key, recording the current time for pressing the photographing key; when the method is implemented in the embodiment, a user sets the mobile terminal to enable the flash and take pictures; when the user is detected to press the photographing key, the current time T is recorded1。
S102, when the image data is detected to be saved, recording the current image data saving time; when implemented in this embodiment, when image data saving is detected, the current time T is recorded2。
S103, obtaining the time between the pressing of the photographing key and the acquisition of the photographed image according to the difference between the pressing of the photographing key and the image data storage timeThe time difference of (a); when implemented in this embodiment, T is calculated2-T1Obtaining the time difference T between the pressing of the photographing key and the acquisition of the photographed imageD。
Preferably, in the step S100, the step of calculating the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image includes:
s104, when the mobile terminal enables flashing and takes a picture, when a user presses a picture taking key, storing a time difference value between the time when the user presses the picture taking key and the time when the user obtains a picture to be taken into a preset shift register; in the implementation of the embodiment, a shift register is preset, the shift register comprises a plurality of bits, and each bit is used for storing a time difference value between the pressing of the photographing key and the acquisition of the photographed image; when new data are stored in the shift register, all the old data are automatically shifted to the right by one bit, and the leftmost bit in the shift register is used for storing the new data; while the oldest data will be automatically shifted out of the shift register.
S105, obtaining the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the ratio of the sum of all the time difference values stored in the shift register to the number of bits of the shift register; in this embodiment, the values of each bit in the shift register (i.e., the time difference) are added and averaged to obtain an average value of the time difference between pressing the photographing key and obtaining the photographed image. For example, the shift register has 10 bits, and each bit stores a value T in turnD1、TD2、···TD10Then, the average value T of the time difference between the pressing of the photographing key and the acquisition of the photographed imageAIs sum (T)D1,TD10)/10。
In step S200, the mobile terminal is controlled to automatically start flashing when the flashing delay time is exceeded. That is, the mobile terminal is controlled to automatically start the flash according to the currently stored previously customary flash start timing.
Preferably, the step S200 specifically includes:
s201, when detecting that the user presses the photographing key, startingA timer with a timeout time as the flash delay time; when the method is implemented in the embodiment, when the user sets the mobile terminal to enable the flash and take a picture; when detecting that the user presses the photographing key, starting a timeout period TAThe timer of (2).
S202, when the timer is overtime, flashing is automatically started; when implemented in this embodiment, the timeout period is TAWhen the timer is overtime, the flash is automatically started.
Those of ordinary skill in the art will understand that: all or part of the steps of implementing the embodiments of the method described above may be implemented by hardware associated with program instructions, and the program may be stored in a computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The present invention also provides a flash start processing system of a mobile terminal, as shown in fig. 2, including: a detection module 100, a control module 200, wherein,
the detection module 100 is configured to, when the mobile terminal enables flashing and takes a picture, obtain a flash delay time currently stored when it is detected that a user presses a picture taking key; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed; as described above.
The control module 200 is used for controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded; as described above.
Further, the detection module 100 includes:
the time difference storage unit is used for storing a time difference value between the time when the user presses the photographing key and the time when the user presses the photographing key to obtain a photographed image into a preset shift register when the mobile terminal enables flashing and photographing; as described above.
The average value calculating unit is used for obtaining the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the ratio of the sum of all the time difference values stored in the shift register to the number of bits of the shift register; as described above.
Further, the detection module 100 further includes:
the first time recording unit is used for recording the current time for pressing the photographing key when the photographing key is detected to be pressed by a user; as described above.
A second time recording unit for recording the current image data saving time when the image data saving is detected; as described above.
The time difference calculation unit is used for obtaining the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the difference between the pressing of the photographing key and the image data storage time; as described above.
Further, the control module 200 includes:
the timer starting unit is used for starting a timer with overtime as the flash delay time when detecting that the user presses the photographing key; as described above.
The flash starting unit is used for automatically starting flash when the timer is overtime; as described above.
Further, the predetermined number of times is 10 times.
In summary, the present invention provides a flash start processing method and system for a mobile terminal, the method includes the steps of: when the mobile terminal enables flashing and takes a picture, when the situation that a user presses a picture taking key is detected, the flash delay time stored currently is obtained; the flash delay time is the average value of the time difference between the preset times of pressing the photographing key and the time of obtaining the photographed image before the photographing key is pressed; and controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded. According to the invention, when the mobile terminal starts flashing and takes a picture, the flashing starting time is automatically recorded, and when the picture is taken again, the flashing is automatically started according to the currently stored previous customary flashing starting time, so that the total time for flashing and starting when the flash lamp is used for taking a picture can be reduced, and the electric quantity is saved.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. A flash start processing method of a mobile terminal is characterized by comprising the following steps:
when the mobile terminal uses flash and takes a picture, when detecting that a user presses a picture taking key, acquiring the flash delay time stored currently; the flash delay time is an average value of time differences between pressing the photographing key for a preset number of times and obtaining a photographed image before pressing the photographing key this time, namely, a flash starting time which is commonly used by a user before pressing the photographing key this time; the average value is continuously updated and stored, and the conventional flash starting time before the photographing key is pressed each time is continuously updated;
controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded;
when the picture is taken again, automatically starting flashing according to the currently stored previous customary flashing starting opportunity;
the step of calculating the average value of the time difference between pressing the photographing key and acquiring the photographed image includes:
when a user presses a photographing key, sequentially storing a time difference value between the time when the photographing key is pressed and the time when a photographed image is obtained into a preset shift register according to a sequential order; the preset shift register comprises a plurality of bits, each bit is used for storing the stored time difference value, when a new time difference value is stored, the old time difference value sequentially moves in the shift register according to the storage sequence, and the time difference value stored in the shift register at first is shifted out of the shift register;
and obtaining the average value of the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the ratio of the sum of all the time difference values stored in the shift register to the number of bits of the shift register.
2. The flash start processing method of a mobile terminal according to claim 1, wherein the step of calculating the time difference between pressing the photographing key and acquiring the photographed image comprises:
when the fact that a user presses a photographing key is detected, recording the current time for pressing the photographing key;
when the image data is detected to be saved, recording the current image data saving time;
and obtaining the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the difference between the pressing of the photographing key and the image data storage time.
3. The flash start processing method of the mobile terminal according to claim 1, wherein the step of controlling the mobile terminal to automatically start the flash when the flash delay time is exceeded specifically comprises:
when detecting that a user presses a photographing key, starting a timer with overtime as the flash delay time;
when the timer times out, a flash is automatically started.
4. The flash start processing method of a mobile terminal according to claim 1, wherein the predetermined number of times is 10 times.
5. A flash start processing system of a mobile terminal, comprising:
the mobile terminal comprises a detection module, a storage module and a storage module, wherein the detection module is used for acquiring the flash delay time stored currently when detecting that a user presses a photographing key when the mobile terminal uses flash and photographs; the flash delay time is an average value of time differences between pressing the photographing key for a preset number of times and obtaining a photographed image before pressing the photographing key this time, namely, a flash starting time which is commonly used by a user before pressing the photographing key this time;
the detection module comprises:
the time difference storage unit is used for sequentially storing the time difference between the time when the user presses the photographing key and the time when the user presses the photographing key into a preset shift register when the mobile terminal uses flash and photographs; the preset shift register comprises a plurality of bits, each bit is used for storing the stored time difference value, when a new time difference value is stored, the old time difference value sequentially moves in the shift register according to the storage sequence, and the time difference value stored in the shift register at first is shifted out of the shift register;
the average value calculating unit is used for obtaining the average value of the time difference between the time of pressing the photographing key and the time of obtaining the photographed image according to the ratio of the sum of all the time difference values stored in the shift register and the number of bits of the shift register, the average value is continuously updated and stored, and the conventional flash starting time before the photographing key is pressed each time is continuously updated;
the control module is used for controlling the mobile terminal to automatically start flashing when the flashing delay time is exceeded; and also for automatically starting the flash according to the currently stored previously customary flash start timing when the picture is taken again.
6. The flash start processing system of a mobile terminal according to claim 5, wherein the detection module comprises:
the first time recording unit is used for recording the current time for pressing the photographing key when the photographing key is detected to be pressed by a user;
a second time recording unit for recording the current image data saving time when the image data saving is detected;
and the time difference calculating unit is used for obtaining the time difference between the pressing of the photographing key and the acquisition of the photographed image according to the difference between the pressing of the photographing key and the image data storage time.
7. The flash start processing system of a mobile terminal according to claim 5, wherein the control module comprises:
the timer starting unit is used for starting a timer with overtime as the flash delay time when detecting that the user presses the photographing key;
and the flash starting unit is used for automatically starting flash when the timer is overtime.
8. The flash activation processing system of a mobile terminal according to claim 5, wherein the predetermined number of times is 10 times.
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| CN111182615B (en) * | 2019-12-10 | 2023-12-26 | 国网甘肃省电力公司白银供电公司 | Sensor starting method and device, storage medium and terminal |
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