CN106713779A - Photographing control method and device - Google Patents
Photographing control method and device Download PDFInfo
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- CN106713779A CN106713779A CN201611271112.6A CN201611271112A CN106713779A CN 106713779 A CN106713779 A CN 106713779A CN 201611271112 A CN201611271112 A CN 201611271112A CN 106713779 A CN106713779 A CN 106713779A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000005286 illumination Methods 0.000 claims description 88
- 238000013507 mapping Methods 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 16
- 238000012790 confirmation Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 9
- 230000003993 interaction Effects 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
The invention discloses a photographing control method. The method comprises the following steps: when a mobile terminal detects a photographing command, acquiring the light illuminance of a photographing environment, and determining exposure parameters according to the light illuminance; when the exposure parameters are not within target parameter ranges of an exposure meter, sending a control command to a curtain connected with the mobile terminal under the photographing environment, so that the curtain is controlled to adjust the openness; and after the curtain completes the adjustment, carrying out photographing operation according to the photographing command. The invention further discloses a photographing control device. The photographing control method and device provided by the invention has the advantages that the mobile terminal can automatically control the curtain to adjust the openness according to light illuminance requirements for the photographing environment, so that the photographing environment can be effectively improved, better photographing effects can be achieved, and the mobile terminal can carry out photographing control more conveniently and flexibly.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a photographing control method and device.
Background
When the mobile terminal takes a picture in a room with a window, because the indoor light generally changes with the outdoor brightness change, the mobile terminal needs to adapt to the picture taking environments with different brightness by changing the exposure time. If the light is bright, the exposure time needs to be reduced; if the light is dark, the exposure time needs to be increased.
However, for the mobile terminal, the exposure time for photographing is limited up and down, and if the exposure limit is reached, the photographing requirement cannot be met, the photograph taken with too high brightness is overexposed, and the photograph taken with too low brightness is dark. In the process of taking a picture, sometimes a curtain is needed to be used for blocking light when the outdoor brightness is too bright, sometimes the curtain needs to be opened when the light is relatively dark, and sometimes the curtain needs to be closed when the light is too bright. Because the requirements for the brightness of the photographed light are different, different light brightness is needed, manual opening/closing of the curtain is troublesome, and sometimes, the light cannot be adjusted to a reasonable range at one time, and multiple adjustments are needed, which is very troublesome.
Disclosure of Invention
The invention mainly aims to provide a photographing control method and a photographing control device, and aims to improve the convenience and flexibility of photographing control of a mobile terminal.
In order to achieve the above object, the present invention provides a photographing control method, including:
when the mobile terminal detects a photographing instruction, acquiring the light illumination of a photographing environment, and determining an exposure parameter according to the light illumination;
when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal under the photographing environment so as to control the curtain to adjust the opening degree;
and after the curtain is adjusted, executing photographing operation according to the photographing instruction.
Optionally, when the exposure parameter is not within the target parameter range of the exposure table, sending a control instruction to a curtain connected to the mobile terminal in the photographing environment to control the curtain to adjust the opening/closing degree includes:
when the exposure parameter is not in the target parameter range of the exposure table, acquiring the difference value of the exposure parameter exceeding the target parameter range of the exposure table;
determining an adjusting amplitude value of the light illumination of the photographing environment according to the difference value, and determining an adjusting opening and closing degree value of the curtain according to the light adjusting amplitude value;
and sending a control command to the curtain according to the opening and closing adjusting value of the curtain so as to control the curtain to be adjusted according to the opening and closing adjusting value.
Optionally, the determining, according to the difference, an adjustment amplitude value of the light illuminance of the photographing environment, and determining, according to the light adjustment amplitude value, an adjustment opening/closing value of the curtain includes:
acquiring outdoor light brightness of the photographing environment, determining the light illumination increase of the photographing environment according to the outdoor light brightness and the difference value, and determining the opening value of the curtain according to the mapping relation between the light illumination increase and the opening value of the curtain; or,
the method comprises the steps of obtaining outdoor light brightness of the photographing environment, determining the reduction amount of light illumination of the photographing environment according to the outdoor light brightness and the difference value, and determining the fitness value of the curtain according to the mapping relation between the reduction amount of the light illumination and the fitness value of the curtain.
Optionally, when the exposure parameter is not within the target parameter range of the exposure table, sending a control instruction to a curtain connected to the mobile terminal in the photographing environment to control the curtain to adjust the opening and closing degree includes:
sending a connection request to the curtain, receiving confirmation information fed back by the curtain based on the connection request, and establishing communication connection with the curtain according to the confirmation information;
when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal under the photographing environment so as to control the curtain to adjust the opening degree, wherein the step comprises the following steps:
after the mobile terminal is connected with the curtain, when the exposure parameter is not in the range of the target parameter of the exposure table, a control instruction is sent to the curtain so as to control the curtain to adjust the opening degree.
Optionally, after the curtain is adjusted, the performing of the photographing operation according to the photographing instruction includes:
and after the curtain is adjusted, receiving adjustment completion information fed back by the curtain, re-acquiring the light illumination of the current photographing environment according to the adjustment completion information to determine exposure parameters, and executing photographing operation according to the photographing instruction until the exposure parameters are within the target range of the exposure table.
In addition, to achieve the above object, the present invention also provides a photographing control apparatus including:
the mobile terminal comprises an acquisition module, a processing module and a control module, wherein the acquisition module is used for acquiring the light illumination of a photographing environment when the mobile terminal detects a photographing instruction, and determining exposure parameters according to the light illumination;
the control module is used for sending a control instruction to a curtain connected with the mobile terminal under the photographing environment to control the curtain to adjust the opening and closing degree when the exposure parameter is not within the target parameter range of the exposure table;
and the execution module is used for executing the photographing operation according to the photographing instruction after the curtain is adjusted.
Optionally, the control module comprises:
the acquiring unit is used for acquiring the difference value of the exposure parameter exceeding the target parameter range of the exposure table when the exposure parameter is not in the target parameter range of the exposure table;
the determining unit is used for determining an adjusting amplitude value of the light illumination of the photographing environment according to the difference value and determining an adjusting opening and closing degree value of the curtain according to the light adjusting amplitude value;
and the control unit is used for sending a control command to the curtain according to the opening and closing adjusting value of the curtain so as to control the curtain to be adjusted according to the opening and closing adjusting value.
Optionally, the determining unit is further configured to obtain outdoor light brightness of the photographing environment, determine an increase amount of light illuminance of the photographing environment according to the outdoor light brightness and the difference, and determine an opening value of the curtain according to a mapping relationship between the increase amount of the light illuminance and the opening value of the curtain; or,
the determining unit is further configured to obtain outdoor light brightness of the photographing environment, determine a reduction amount of the light illuminance of the photographing environment according to the outdoor light brightness and the difference value, and determine a fitness value of the curtain according to a mapping relationship between the reduction amount of the light illuminance and the fitness value of the curtain.
Optionally, the photographing control apparatus further includes:
the establishing module is used for sending a connection request to the curtain, receiving confirmation information fed back by the curtain based on the connection request, and establishing communication connection with the curtain according to the confirmation information;
and the control module is also used for sending a control instruction to the curtain to control the curtain to adjust the opening and closing degree when the exposure parameter is not in the target parameter range of the exposure table after the mobile terminal is connected with the curtain.
Optionally, the execution module is further configured to receive adjustment completion information fed back by the curtain after the curtain is adjusted, and according to the adjustment completion information, reacquire the light illuminance of the current photographing environment to determine the exposure parameter, and execute the photographing operation according to the photographing instruction until the exposure parameter is within the exposure table target range.
According to the photographing control method and device provided by the embodiment of the invention, when the mobile terminal detects the photographing instruction, the light illumination of the photographing environment is obtained, and the exposure parameter is determined according to the light illumination. When the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal to control the curtain to adjust the opening degree; and after the curtain is adjusted, executing the photographing operation according to the photographing instruction. Make mobile terminal can be according to the light illuminance requirement to the environment of shooing, the regulation degree of opening and shutting of automatic control (window) curtain not only can effectual improvement environment of shooing promote the effect of shooing, has improved the convenience and the flexibility that mobile terminal carried out the control of shooing moreover.
Drawings
FIG. 1 is a schematic flowchart of a photographing control method according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a photographing control method according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating a fifth embodiment of a photographing control method according to the present invention
FIG. 4 is a functional block diagram of a photographing control apparatus according to a first embodiment of the present invention;
fig. 5 is a functional block diagram of a photographing control apparatus according to a second embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a first embodiment of a photographing control method of the present invention is shown. The photographing control method of the embodiment includes:
step S10, when the mobile terminal detects a photographing instruction, acquiring the light illumination of the photographing environment, and determining exposure parameters according to the light illumination;
in this embodiment, the type of the mobile terminal may be set according to actual needs, for example, the mobile terminal may include a mobile phone, a camera, a tablet computer, and other terminals capable of taking pictures.
After the mobile terminal is started, the mobile terminal detects whether a photographing instruction is received, and when the mobile terminal detects the photographing instruction, the mobile terminal enters a photographing mode to photograph. In the process of photographing, the mobile terminal firstly obtains the light illuminance of the photographing environment, and determines the exposure parameters corresponding to the light illuminance of the photographing environment according to the mapping relation between the light illuminance and the exposure parameters.
The exposure parameters comprise exposure time, exposure value and the like, the current ambient light illumination corresponds to the exposure time, and the lower the light illumination is, the longer the exposure time is; the higher the illuminance of the light, the shorter the exposure time. The mobile terminal takes a picture according to the exposure time, and the picture taking effect can be influenced by too long or too short exposure time. The larger the exposure value, the longer the exposure time; conversely, the smaller the exposure value, the shorter the exposure time.
Step S20, when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal under the photographing environment to control the curtain to adjust the opening degree;
in this embodiment, a curtain is preset in a photographing environment of the mobile terminal, the curtain is provided with a signal receiving device, a mechanical rotating device and the like, the signal receiving device is used for receiving an instruction sent by the mobile terminal, the mechanical rotating device is used for adjusting the opening and closing degree of the curtain through rotation of the motor, and the opening and closing degree of the curtain is a range for folding or unfolding the curtain. The mobile terminal can establish connection through the curtain such as Bluetooth, wifi, bt, RF and the like in advance so as to receive the instruction sent by the mobile terminal.
And after obtaining the exposure parameters, the mobile terminal judges whether the exposure parameters are in the range of the target parameters of the exposure table. The target parameter range of the exposure table is the reasonable range of the exposure table parameter value, and the reasonable range of the exposure table parameter value is the reasonable range of a section of bit in the middle of the exposure table defined on the basis of the original exposure table. When the reasonable range is exceeded, the exposure time is too long or too short, i.e., the light intensity is too dark or too bright. The larger the exposure table parameter value is, the longer the exposure time is, whereas the smaller the exposure table parameter value is, the shorter the exposure time is.
When the exposure parameter is not in the target parameter range of the exposure table, in order to improve the photographing effect, the window curtain needs to be correspondingly adjusted to control the exposure parameter to be in the target parameter range of the exposure table. At the moment, the mobile terminal sends a control instruction to the curtain connected with the mobile terminal under the photographing environment, the curtain receives the control instruction through the signal receiving device, and the mechanical rotating device controls the curtain to adjust the opening degree according to the control instruction.
For example, when the exposure value exceeds the upper limit of the target parameter range of the exposure table, which indicates that the exposure time is long, the current photographing environment is dark, and the illumination intensity needs to be increased, so the curtain needs to be controlled to be opened. When the exposure value exceeds the lower limit of the target parameter range of the exposure table, the exposure time is short, the current photographing environment is bright, the illumination intensity of light needs to be reduced, and therefore the curtain needs to be controlled to be closed.
And when the exposure parameter is in the target parameter range of the exposure table, the mobile terminal takes a picture normally, namely, the picture is taken according to the original picture taking process.
And step S30, after the curtain is adjusted, the photographing operation is executed according to the photographing instruction.
And in the process that the mobile terminal sends a control instruction to the curtain connected with the mobile terminal under the photographing environment and controls the curtain to adjust the opening and closing degree, judging whether the curtain is adjusted. And when the curtain is adjusted, the photographing operation is executed according to the photographing instruction. Specifically, in an embodiment, the mobile terminal sends a control command to a curtain connected to the mobile terminal in the photographing environment, and after a preset time, the curtain is adjusted, and at this time, the photographing operation is executed. In another embodiment, the mobile terminal sends a control command to a curtain connected to the mobile terminal in the photographing environment and then detects whether adjustment completion information fed back by the curtain is received, when the adjustment completion information fed back by the curtain indicates that the curtain is adjusted, and at this time, the photographing operation is performed. The method and the device realize that whether the mobile terminal needs to change the current illumination environment or not is determined through the exposure parameters and the target parameter range of the exposure table, when the mobile terminal needs to change the current illumination environment, the required illumination variation is sent to the curtain, and the curtain executes opening or closing operation, so that the illumination environment is changed, and the exposure parameters are in the target parameter range of the exposure table.
It should be noted that, when a plurality of curtains exist in the photographing environment and the mobile terminal is connected to the plurality of curtains, the mobile terminal may select one or more curtains to adjust according to actual conditions such as a difference value of the exposure parameter exceeding the target parameter range of the exposure table, an adjustment amplitude value of the light illuminance, and the like.
According to the embodiment of the invention, when the mobile terminal detects the photographing instruction, the light illumination of the photographing environment is obtained, and the exposure parameter is determined according to the light illumination. When the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal to control the curtain to adjust the opening degree; and after the curtain is adjusted, executing the photographing operation according to the photographing instruction. Make mobile terminal can be according to the light illuminance requirement to the environment of shooing, the regulation degree of opening and shutting of automatic control (window) curtain not only can effectual improvement environment of shooing promote the effect of shooing, has improved the convenience and the flexibility that mobile terminal carried out the control of shooing moreover.
Further, as shown in fig. 2, a second embodiment of the photographing control method according to the present invention is proposed based on the first embodiment of the photographing control method, and the step S20 may include:
step S21, when the exposure parameter is not in the target parameter range of the exposure table, obtaining the difference value of the exposure parameter exceeding the target parameter range of the exposure table;
step S22, determining an adjusting amplitude value of the light illumination of the photographing environment according to the difference value, and determining an adjusting opening and closing degree value of the curtain according to the light adjusting amplitude value;
and step S23, sending a control instruction to the curtain according to the opening and closing adjusting value of the curtain so as to control the curtain to adjust according to the opening and closing adjusting value.
In this embodiment, in the process of controlling the curtain to adjust the opening and closing degree, when the exposure parameter is not within the target parameter range of the exposure table, the mobile terminal first obtains a difference value that the exposure parameter exceeds the target parameter range of the exposure table, for example, obtains a first difference value that the exposure parameter exceeds an upper limit of the target parameter range of the exposure table, or obtains a second difference value that the exposure parameter exceeds a lower limit of the target parameter range of the exposure table.
And after the difference value that the exposure parameter exceeds the target parameter range of the exposure table is obtained, determining the adjustment amplitude value of the light illumination of the photographing environment corresponding to the difference value according to the mapping relation between the preset difference value that the exposure parameter exceeds the target parameter range of the exposure table and the adjustment amplitude value of the light illumination of the photographing environment. And then determining the adjusting opening and closing degree value of the curtain corresponding to the light adjusting amplitude value according to the mapping relation between the adjusting amplitude value of the light illumination of the photographing environment and the adjusting opening and closing degree value of the curtain. And after the opening and closing adjusting value of the curtain is obtained, sending a control instruction to the curtain connected with the mobile terminal under the photographing environment according to the opening and closing adjusting value of the curtain so as to control the curtain to be adjusted according to the opening and closing adjusting value.
It should be noted that, in order to meet the use requirements of the user, after the mobile terminal determines the adjustment opening/closing value of the curtain according to the adjustment amplitude value of the light illuminance of the photographing environment, before sending the control instruction to the curtain, first, relevant prompt information on whether the curtain needs to be adjusted is output in the display screen, and when the determination instruction selected by the user is received, the control instruction is sent to the curtain; and when receiving an instruction that the user selects not to adjust the curtain, not sending the control instruction to the curtain. The mobile terminal can display the opening and closing adjusting value of the curtain while outputting the related prompt information of whether the curtain needs to be adjusted, and can receive the modification instruction input by the user to modify the opening and closing adjusting value of the curtain.
The mobile terminal determines whether the mobile terminal needs to change the current illumination environment according to the exposure parameter and the target parameter range of the exposure table, and when the mobile terminal needs to change the current illumination environment, the mobile terminal sends the required illumination variation to the curtain, and the curtain performs opening or closing operation, so that the illumination environment is changed. The reasonable range of the exposure value in the exposure table is finally realized through circular feedback, so that the photographing effect is improved, and the flexibility and the reliability of photographing control of the mobile terminal are improved.
Further, based on the second embodiment of the photographing control method, a third embodiment of the photographing control method according to the present invention is provided, in which the step S22 may include:
acquiring outdoor light brightness of the photographing environment, determining the light illumination increase of the photographing environment according to the outdoor light brightness and the difference value, and determining the opening value of the curtain according to the mapping relation between the light illumination increase and the opening value of the curtain; or,
the method comprises the steps of obtaining outdoor light brightness of the photographing environment, determining the reduction amount of light illumination of the photographing environment according to the outdoor light brightness and the difference value, and determining the fitness value of the curtain according to the mapping relation between the reduction amount of the light illumination and the fitness value of the curtain.
In this embodiment, a light sensor may be disposed outside the photographing environment, the light sensor may be disposed outside the curtain, and the light sensor may be connected to the curtain, or the light sensor may be connected to the mobile terminal. The mobile terminal determines an adjusting amplitude value of the light illumination of the photographing environment according to the difference value of the exposure parameter exceeding the target parameter range of the exposure meter, and determines the adjusting opening and closing degree value of the curtain according to the light adjusting amplitude value. And then determining the increase of the light illumination of the photographing environment according to the difference value between the outdoor light brightness of the photographing environment and the exposure parameter which exceeds the upper limit of the target parameter range of the exposure table. And then determining the opening degree value of the opened curtain according to the mapping relation between the increase of the light illumination and the opening degree value of the curtain. For example, the mobile terminal may set a preset opening value, the amplitude of each adjustment is adjusted according to the preset opening value, and when the exposure parameter is not within the target parameter range of the exposure table, the adjustment is continued according to the preset opening value until the exposure parameter is within the target parameter range of the exposure table. Or the mobile terminal calculates a reasonable target opening value and adjusts the opening value of the curtain at one time, so that the exposure parameter is in the target parameter range of the exposure table.
When the exposure parameter exceeds the lower limit of the target parameter range of the exposure table, the exposure time is short, the current photographing environment is very bright, and the light illumination needs to be reduced, and at the moment, the reduction amount of the light illumination of the photographing environment is determined according to the difference value that the exposure parameter exceeds the lower limit of the target parameter range of the exposure table. And then determining the closing degree value of the curtain according to the mapping relation between the reduction of the light illumination and the degree value of the curtain. For example, the mobile terminal may set a preset fitness value, the amplitude of each adjustment is adjusted according to the preset fitness value, and when the exposure parameter is not within the target parameter range of the exposure table, the adjustment is continued according to the preset fitness value until the exposure parameter is within the target parameter range of the exposure table. Or, the mobile terminal calculates a reasonable target fitness value, and adjusts the fitness value of the curtain at one time, so that the exposure parameter is within the target parameter range of the exposure table.
According to the embodiment, the mobile terminal determines the increase or decrease of the light illumination of the photographing environment according to the difference value of the outdoor light brightness and the exposure parameter of the photographing environment exceeding the target parameter range of the exposure table, determines the opening value or the degree of opening value of the curtain according to the increase or decrease of the light illumination, and improves the accuracy and convenience of the mobile terminal in controlling the curtain.
Further, based on the first embodiment of the photographing control method, a fourth embodiment of the photographing control method according to the present invention is provided, where the step S20 includes:
sending a connection request to the curtain, receiving confirmation information fed back by the curtain based on the connection request, and establishing communication connection with the curtain according to the confirmation information;
the step S20 may include: after the mobile terminal is connected with the curtain, when the exposure parameter is not in the range of the target parameter of the exposure table, a control instruction is sent to the curtain so as to control the curtain to adjust the opening degree.
In this embodiment, in order to facilitate information interaction between the mobile terminal and the curtain, first, before the mobile terminal performs information interaction with the curtain, the mobile terminal may be connected in a pairing manner with the curtain through wireless communication such as bluetooth, wifi, bt, RF, and the like. For example, the mobile terminal may search for the unique identifier of the curtain machine, or receive a user input of the unique identifier of the curtain machine, and send a connection request to the curtain according to the unique identifier. After receiving the confirmation information fed back by the curtain based on the connection request, the mobile terminal can establish a communication connection relation with the curtain, and after the connection is successful, the mobile terminal and the curtain can transmit data to each other.
Optionally, taking bluetooth connection as an example, after pairing connection between the mobile terminal and the curtain is successful, automatically popping up a prompt box to prompt the user whether to remember the bluetooth, and if the user chooses to remember the bluetooth, the mobile terminal stores the bluetooth connection information. The user can select to store the Bluetooth connection information according to the requirement of the user, so that the next reconnection is facilitated; or the Bluetooth connection information is not selected to be stored, so that the user experience is improved. When the user does not need to control the curtain in the matched connection, the matched connection with the curtain can be disconnected through a key preset by the mobile terminal, so that the situation that the user mistakenly controls the curtain due to unnecessary operation in the process of using the mobile terminal is prevented.
The mobile terminal can send a connection request to the curtain to establish a communication connection relation with the curtain, so that the mobile terminal can conveniently perform information interaction with the curtain, namely, the mobile terminal is connected with the curtain in a matching manner, and the reliability of the information interaction between the mobile terminal and the curtain is improved.
Further, as shown in fig. 3, a fifth embodiment of the photographing control method according to the present invention is proposed based on the first, second, third or fourth embodiment of the photographing control method, where the step S30 may include:
and step S31, after the curtain is adjusted, receiving adjustment completion information fed back by the curtain, re-acquiring the light illumination of the current photographing environment according to the adjustment completion information to determine exposure parameters, and executing photographing operation according to the photographing instruction until the exposure parameters are within the target range of the exposure table.
In this embodiment, in the process of controlling the curtain to adjust, the mobile terminal may detect whether adjustment completion information fed back by the curtain is received after the mobile terminal sends a control instruction to the curtain connected to the mobile terminal in the photographing environment. And after the curtain is adjusted, the curtain sends an adjustment completion message to the mobile terminal. And after receiving the adjustment completion information fed back by the curtain, the mobile terminal acquires the light illuminance of the current photographing environment again, and determines the exposure parameters according to the light illuminance. And when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to the curtain connected with the mobile terminal under the photographing environment again to control the curtain to adjust the opening and closing degree, and executing photographing operation according to the photographing instruction until the exposure parameter determined by the new light illumination is acquired again to be in the target range of the exposure table. Therefore, the opening or closing degree of the curtain can be automatically adjusted according to the requirements of the mobile terminal on the bright environment during photographing, the indoor photographing illumination environment can be effectively improved, and the photographing effect is improved.
According to the embodiment, the mobile terminal and the curtain send the required illumination variation quantity to the curtain through the circulation feedback information and the exposure parameter and the target parameter range of the exposure table, and the curtain performs opening or closing operation, so that the current illumination environment is improved, the exposure value is finally within the target parameter range of the exposure table, and the flexibility of photographing control of the mobile terminal is improved.
Correspondingly, as shown in fig. 4, a first embodiment of the photographing control apparatus according to the present invention is provided. The photographing control apparatus of this embodiment includes:
the acquisition module 100 is configured to acquire light illuminance of a photographing environment when the mobile terminal detects a photographing instruction, and determine an exposure parameter according to the light illuminance;
in this embodiment, the type of the mobile terminal may be set according to actual needs, for example, the mobile terminal may include a mobile phone, a camera, a tablet computer, and other terminals capable of taking pictures.
After the mobile terminal is started, the mobile terminal detects whether a photographing instruction is received, and when the mobile terminal detects the photographing instruction, the mobile terminal enters a photographing mode to photograph. In the process of photographing, the mobile terminal first calls the obtaining module 100 to obtain the light illuminance of the photographing environment, and determines the exposure parameter corresponding to the light illuminance of the photographing environment according to the mapping relationship between the light illuminance and the exposure parameter.
The exposure parameters comprise exposure time, exposure value and the like, the current ambient light illumination corresponds to the exposure time, and the lower the light illumination is, the longer the exposure time is; the higher the illuminance of the light, the shorter the exposure time. The mobile terminal takes a picture according to the exposure time, and the picture taking effect can be influenced by too long or too short exposure time. The larger the exposure value, the longer the exposure time; conversely, the smaller the exposure value, the shorter the exposure time.
The control module 200 is configured to send a control instruction to a curtain connected to the mobile terminal in the photographing environment to control the curtain to adjust the opening and closing degree when the exposure parameter is not within the target parameter range of the exposure table;
in this embodiment, a curtain is preset in a photographing environment of the mobile terminal, the curtain is provided with a signal receiving device, a mechanical rotating device and the like, the signal receiving device is used for receiving an instruction sent by the mobile terminal, the mechanical rotating device is used for adjusting the opening and closing degree of the curtain through rotation of the motor, and the opening and closing degree of the curtain is a range for folding or unfolding the curtain. The mobile terminal can establish connection through the curtain such as Bluetooth, wifi, bt, RF and the like in advance so as to receive the instruction sent by the mobile terminal.
And after obtaining the exposure parameters, the mobile terminal judges whether the exposure parameters are in the range of the target parameters of the exposure table. The target parameter range of the exposure table is the reasonable range of the exposure table parameter value, and the reasonable range of the exposure table parameter value is the reasonable range of a section of bit in the middle of the exposure table defined on the basis of the original exposure table. When the reasonable range is exceeded, the exposure time is too long or too short, i.e., the light intensity is too dark or too bright. The larger the exposure table parameter value is, the longer the exposure time is, whereas the smaller the exposure table parameter value is, the shorter the exposure time is.
When the exposure parameter is not in the target parameter range of the exposure table, in order to improve the photographing effect, the window curtain needs to be correspondingly adjusted to control the exposure parameter to be in the target parameter range of the exposure table. At this time, the control module 200 sends a control instruction to the curtain connected to the mobile terminal in the photographing environment, and the curtain receives the control instruction through the signal receiving device and controls the curtain to adjust the opening and closing degree according to the control instruction through the mechanical rotating device.
For example, when the exposure value exceeds the upper limit of the target parameter range of the exposure table, which indicates that the exposure time is long, the current photographing environment is dark, and the illumination intensity needs to be increased, so the curtain needs to be controlled to be opened. When the exposure value exceeds the lower limit of the target parameter range of the exposure table, the exposure time is short, the current photographing environment is bright, the illumination intensity of light needs to be reduced, and therefore the curtain needs to be controlled to be closed.
And when the exposure parameter is in the target parameter range of the exposure table, the mobile terminal takes a picture normally, namely, the picture is taken according to the original picture taking process.
And the execution module 300 is used for executing the photographing operation according to the photographing instruction after the curtain is adjusted.
And in the process that the mobile terminal sends a control instruction to the curtain connected with the mobile terminal under the photographing environment and controls the curtain to adjust the opening and closing degree, judging whether the curtain is adjusted. When the curtain is adjusted, the executing module 300 executes the photographing operation according to the photographing instruction. Specifically, in an embodiment, the mobile terminal sends a control command to a curtain connected to the mobile terminal in the photographing environment, and after a preset time, the curtain is adjusted, and at this time, the photographing operation is executed. In another embodiment, the mobile terminal sends a control command to a curtain connected to the mobile terminal in the photographing environment and then detects whether adjustment completion information fed back by the curtain is received, when the adjustment completion information fed back by the curtain indicates that the curtain is adjusted, and at this time, the photographing operation is performed. The method and the device realize that whether the mobile terminal needs to change the current illumination environment or not is determined through the exposure parameters and the target parameter range of the exposure table, when the mobile terminal needs to change the current illumination environment, the required illumination variation is sent to the curtain, and the curtain executes opening or closing operation, so that the illumination environment is changed, and the exposure parameters are in the target parameter range of the exposure table.
It should be noted that, when a plurality of curtains exist in the photographing environment and the mobile terminal is connected to the plurality of curtains, the mobile terminal may select one or more curtains to adjust according to actual conditions such as a difference value of the exposure parameter exceeding the target parameter range of the exposure table, an adjustment amplitude value of the light illuminance, and the like.
According to the embodiment of the invention, when the mobile terminal detects the photographing instruction, the light illumination of the photographing environment is obtained, and the exposure parameter is determined according to the light illumination. When the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal to control the curtain to adjust the opening degree; and after the curtain is adjusted, executing the photographing operation according to the photographing instruction. Make mobile terminal can be according to the light illuminance requirement to the environment of shooing, the regulation degree of opening and shutting of automatic control (window) curtain not only can effectual improvement environment of shooing promote the effect of shooing, has improved the convenience and the flexibility that mobile terminal carried out the control of shooing moreover.
Further, as shown in fig. 5, a second embodiment of the photographing control apparatus according to the present invention is proposed based on the first embodiment of the photographing control apparatus, in which the control module 200 includes:
an obtaining unit 210, configured to obtain a difference value that the exposure parameter exceeds a target parameter range of an exposure table when the exposure parameter is not within the target parameter range of the exposure table;
the determining unit 220 is configured to determine an adjustment amplitude value of the light illuminance of the photographing environment according to the difference value, and determine an adjustment opening/closing value of the curtain according to the light adjustment amplitude value;
and the control unit 230 is used for sending a control command to the curtain according to the opening and closing adjusting value of the curtain so as to control the curtain to be adjusted according to the opening and closing adjusting value.
In this embodiment, in the process of controlling the opening and closing degree of the window curtain, when the exposure parameter is not within the target parameter range of the exposure table, the obtaining unit 210 first obtains a difference value that the exposure parameter exceeds the target parameter range of the exposure table, for example, obtains a first difference value that the exposure parameter exceeds an upper limit of the target parameter range of the exposure table, or obtains a second difference value that the exposure parameter exceeds a lower limit of the target parameter range of the exposure table.
After obtaining the difference value that the exposure parameter exceeds the target parameter range of the exposure table, the determining unit 220 determines the adjustment amplitude value of the light illuminance of the photographing environment corresponding to the difference value according to the mapping relationship between the preset difference value that the exposure parameter exceeds the target parameter range of the exposure table and the adjustment amplitude value of the light illuminance of the photographing environment. And then determining the adjusting opening and closing degree value of the curtain corresponding to the light adjusting amplitude value according to the mapping relation between the adjusting amplitude value of the light illumination of the photographing environment and the adjusting opening and closing degree value of the curtain. After obtaining the adjusted opening/closing value of the curtain, the control unit 230 sends a control command to the curtain connected to the mobile terminal in the photographing environment according to the adjusted opening/closing value of the curtain, so as to control the curtain to be adjusted according to the adjusted opening/closing value.
It should be noted that, in order to meet the use requirements of the user, after the mobile terminal determines the adjustment opening/closing value of the curtain according to the adjustment amplitude value of the light illuminance of the photographing environment, before sending the control instruction to the curtain, first, relevant prompt information on whether the curtain needs to be adjusted is output in the display screen, and when the determination instruction selected by the user is received, the control instruction is sent to the curtain; and when receiving an instruction that the user selects not to adjust the curtain, not sending the control instruction to the curtain. The mobile terminal can display the opening and closing adjusting value of the curtain while outputting the related prompt information of whether the curtain needs to be adjusted, and can receive the modification instruction input by the user to modify the opening and closing adjusting value of the curtain.
The mobile terminal determines whether the mobile terminal needs to change the current illumination environment according to the exposure parameter and the target parameter range of the exposure table, and when the mobile terminal needs to change the current illumination environment, the mobile terminal sends the required illumination variation to the curtain, and the curtain performs opening or closing operation, so that the illumination environment is changed. The reasonable range of the exposure value in the exposure table is finally realized through circular feedback, so that the photographing effect is improved, and the flexibility and the reliability of photographing control of the mobile terminal are improved.
Further, based on the second embodiment of the photographing control apparatus, a third embodiment of the photographing control apparatus of the present invention is provided, in which the determining unit 220 is further configured to obtain outdoor luminance of the photographing environment, determine an increase amount of the illuminance of the photographing environment according to the outdoor luminance and the difference, and determine an opening value of the curtain according to a mapping relationship between the increase amount of the illuminance of the light and the opening value of the curtain; or,
the determining unit 220 is further configured to obtain outdoor light brightness of the photographing environment, determine a reduction amount of the light illuminance of the photographing environment according to the outdoor light brightness and the difference, and determine a fitness value of the curtain according to a mapping relationship between the reduction amount of the light illuminance and the fitness value of the curtain.
In this embodiment, a light sensor may be disposed outside the photographing environment, the light sensor may be disposed outside the curtain, and the light sensor may be connected to the curtain, or the light sensor may be connected to the mobile terminal. The mobile terminal determines an adjustment amplitude value of the light illumination of the photographing environment according to the difference value of the exposure parameter exceeding the target parameter range of the exposure table, and determines the adjustment opening/closing value of the curtain according to the light adjustment amplitude value, first, determines whether the exposure parameter exceeds the upper limit or the lower limit of the target parameter range of the exposure table, when the exposure parameter exceeds the upper limit of the target parameter range of the exposure table, it indicates that the exposure time is long, the current photographing environment is very dark, and the light illumination needs to be increased, at this time, the determining unit 220 sends a light brightness acquisition request to the light sensor, and the outdoor light brightness of the photographing environment is acquired through the light sensor. And then determining the increase of the light illumination of the photographing environment according to the difference value between the outdoor light brightness of the photographing environment and the exposure parameter which exceeds the upper limit of the target parameter range of the exposure table. And then determining the opening degree value of the opened curtain according to the mapping relation between the increase of the light illumination and the opening degree value of the curtain. For example, the mobile terminal may set a preset opening value, the amplitude of each adjustment is adjusted according to the preset opening value, and when the exposure parameter is not within the target parameter range of the exposure table, the adjustment is continued according to the preset opening value until the exposure parameter is within the target parameter range of the exposure table. Or the mobile terminal calculates a reasonable target opening value and adjusts the opening value of the curtain at one time, so that the exposure parameter is in the target parameter range of the exposure table.
When the exposure parameter exceeds the lower limit of the target parameter range of the exposure table, which indicates that the exposure time is short, the current photographing environment is very bright, and the light illuminance needs to be reduced, at this time, the determining unit 220 sends a light luminance obtaining request to the light sensor, and obtains the outdoor light luminance of the photographing environment through the light sensor. And then determining the reduction of the light illumination of the photographing environment according to the difference value between the outdoor light brightness of the photographing environment and the exposure parameter which exceeds the lower limit of the target parameter range of the exposure table. And then determining the closing degree value of the curtain according to the mapping relation between the reduction of the light illumination and the degree value of the curtain. For example, the mobile terminal may set a preset fitness value, the amplitude of each adjustment is adjusted according to the preset fitness value, and when the exposure parameter is not within the target parameter range of the exposure table, the adjustment is continued according to the preset fitness value until the exposure parameter is within the target parameter range of the exposure table. Or, the mobile terminal calculates a reasonable target fitness value, and adjusts the fitness value of the curtain at one time, so that the exposure parameter is within the target parameter range of the exposure table.
According to the embodiment, the mobile terminal determines the increase or decrease of the light illumination of the photographing environment according to the difference value of the outdoor light brightness and the exposure parameter of the photographing environment exceeding the target parameter range of the exposure table, determines the opening value or the degree of opening value of the curtain according to the increase or decrease of the light illumination, and improves the accuracy and convenience of the mobile terminal in controlling the curtain.
Further, based on the first embodiment of the photographing control apparatus, a fourth embodiment of the photographing control apparatus of the present invention is provided, in which the photographing control apparatus further includes:
the establishing module is used for sending a connection request to the curtain, receiving confirmation information fed back by the curtain based on the connection request, and establishing communication connection with the curtain according to the confirmation information;
the control module 200 is further configured to, after the mobile terminal is connected to the curtain, send a control instruction to the curtain when the exposure parameter is not within the target parameter range of the exposure table, so as to control the curtain to adjust the opening degree.
In this embodiment, in order to facilitate information interaction between the mobile terminal and the curtain, first, before the mobile terminal performs information interaction with the curtain, the establishing module may control the mobile terminal to perform pairing connection with the curtain through wireless communication such as bluetooth, wifi, bt, RF, and the like. For example, the building module may search for a unique identification of the window covering machine, or receive a unique identification of the window covering input by a user, and send a connection request to the window covering according to the unique identification. After the establishing module receives the confirmation information fed back by the curtain based on the connection request, the establishing module can establish a communication connection relation with the curtain, and after the connection is successful, the mobile terminal and the curtain can mutually transmit data.
Optionally, taking bluetooth connection as an example, after pairing connection between the mobile terminal and the curtain is successful, automatically popping up a prompt box to prompt the user whether to remember the bluetooth, and if the user chooses to remember the bluetooth, the mobile terminal stores the bluetooth connection information. The user can select to store the Bluetooth connection information according to the requirement of the user, so that the next reconnection is facilitated; or the Bluetooth connection information is not selected to be stored, so that the user experience is improved. When the user does not need to control the curtain in the matched connection, the matched connection with the curtain can be disconnected through a key preset by the mobile terminal, so that the situation that the user mistakenly controls the curtain due to unnecessary operation in the process of using the mobile terminal is prevented.
The mobile terminal can send a connection request to the curtain to establish a communication connection relation with the curtain, so that the mobile terminal can conveniently perform information interaction with the curtain, namely, the mobile terminal is connected with the curtain in a matching manner, and the reliability of the information interaction between the mobile terminal and the curtain is improved.
Further, based on the first, second, third, or fourth embodiments of the photographing control device, a fifth embodiment of the photographing control device of the present invention is provided, in which the executing module 300 is further configured to receive adjustment completion information fed back by the curtain after the curtain is adjusted, re-acquire the light illuminance of the current photographing environment according to the adjustment completion information to determine the exposure parameter, and execute a photographing operation according to the photographing instruction until the exposure parameter is within the target range of the exposure table.
In this embodiment, in the process of controlling the curtain to adjust, the executing module 300 may detect whether the adjustment completion information fed back by the curtain is received after the controlling module 200 sends a control command to the curtain connected to the mobile terminal in the photographing environment. And after the curtain is adjusted, the curtain sends an adjustment completion message to the mobile terminal. After receiving the adjustment completion information fed back by the curtain, the execution module 300 obtains the light illuminance of the current photographing environment again, and determines the exposure parameter according to the light illuminance. And when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to the curtain connected with the mobile terminal under the photographing environment again to control the curtain to adjust the opening and closing degree, and executing photographing operation according to the photographing instruction until the exposure parameter determined by the new light illumination is acquired again to be in the target range of the exposure table. Therefore, the opening or closing degree of the curtain can be automatically adjusted according to the requirements of the mobile terminal on the bright environment during photographing, the indoor photographing illumination environment can be effectively improved, and the photographing effect is improved.
According to the embodiment, the mobile terminal and the curtain send the required illumination variation quantity to the curtain through the circulation feedback information and the exposure parameter and the target parameter range of the exposure table, and the curtain performs opening or closing operation, so that the current illumination environment is improved, the exposure value is finally within the target parameter range of the exposure table, and the flexibility of photographing control of the mobile terminal is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A photographing control method is characterized by comprising the following steps:
when the mobile terminal detects a photographing instruction, acquiring the light illumination of a photographing environment, and determining an exposure parameter according to the light illumination;
when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal under the photographing environment so as to control the curtain to adjust the opening degree;
and after the curtain is adjusted, executing photographing operation according to the photographing instruction.
2. The photographing control method of claim 1, wherein the sending a control command to a curtain connected to the mobile terminal in the photographing environment to control the curtain to adjust an opening/closing degree when the exposure parameter is not within a target parameter range of an exposure table comprises:
when the exposure parameter is not in the target parameter range of the exposure table, acquiring the difference value of the exposure parameter exceeding the target parameter range of the exposure table;
determining an adjusting amplitude value of the light illumination of the photographing environment according to the difference value, and determining an adjusting opening and closing degree value of the curtain according to the light adjusting amplitude value;
and sending a control command to the curtain according to the opening and closing adjusting value of the curtain so as to control the curtain to be adjusted according to the opening and closing adjusting value.
3. The photographing control method according to claim 2, wherein the determining an adjustment amplitude value of the light illuminance of the photographing environment according to the difference value, and the determining an adjustment opening/closing value of the curtain according to the light adjustment amplitude value comprises:
acquiring outdoor light brightness of the photographing environment, determining the light illumination increase of the photographing environment according to the outdoor light brightness and the difference value, and determining the opening value of the curtain according to the mapping relation between the light illumination increase and the opening value of the curtain; or,
the method comprises the steps of obtaining outdoor light brightness of the photographing environment, determining the reduction amount of light illumination of the photographing environment according to the outdoor light brightness and the difference value, and determining the fitness value of the curtain according to the mapping relation between the reduction amount of the light illumination and the fitness value of the curtain.
4. The photographing control method according to claim 1, wherein when the exposure parameter is not within the target parameter range of the exposure table, sending a control command to a curtain connected to the mobile terminal in the photographing environment to control the curtain to adjust the opening and closing degree comprises:
sending a connection request to the curtain, receiving confirmation information fed back by the curtain based on the connection request, and establishing communication connection with the curtain according to the confirmation information;
when the exposure parameter is not in the target parameter range of the exposure table, sending a control instruction to a curtain connected with the mobile terminal under the photographing environment so as to control the curtain to adjust the opening degree, wherein the step comprises the following steps:
after the mobile terminal is connected with the curtain, when the exposure parameter is not in the range of the target parameter of the exposure table, a control instruction is sent to the curtain so as to control the curtain to adjust the opening degree.
5. The method as claimed in any one of claims 1 to 4, wherein the performing the photographing operation according to the photographing instruction after the curtain is adjusted comprises:
and after the curtain is adjusted, receiving adjustment completion information fed back by the curtain, re-acquiring the light illumination of the current photographing environment according to the adjustment completion information to determine exposure parameters, and executing photographing operation according to the photographing instruction until the exposure parameters are within the target range of the exposure table.
6. A photographing control apparatus, comprising:
the mobile terminal comprises an acquisition module, a processing module and a control module, wherein the acquisition module is used for acquiring the light illumination of a photographing environment when the mobile terminal detects a photographing instruction, and determining exposure parameters according to the light illumination;
the control module is used for sending a control instruction to a curtain connected with the mobile terminal under the photographing environment to control the curtain to adjust the opening and closing degree when the exposure parameter is not within the target parameter range of the exposure table;
and the execution module is used for executing the photographing operation according to the photographing instruction after the curtain is adjusted.
7. The photographing control apparatus of claim 6, wherein the control module comprises:
the acquiring unit is used for acquiring the difference value of the exposure parameter exceeding the target parameter range of the exposure table when the exposure parameter is not in the target parameter range of the exposure table;
the determining unit is used for determining an adjusting amplitude value of the light illumination of the photographing environment according to the difference value and determining an adjusting opening and closing degree value of the curtain according to the light adjusting amplitude value;
and the control unit is used for sending a control command to the curtain according to the opening and closing adjusting value of the curtain so as to control the curtain to be adjusted according to the opening and closing adjusting value.
8. The photographing control device according to claim 7, wherein the determining unit is further configured to obtain an outdoor light brightness of the photographing environment, determine an increase amount of the light illuminance of the photographing environment according to the outdoor light brightness and the difference, and determine the opening value of the curtain according to a mapping relationship between the increase amount of the light illuminance and the opening value of the curtain; or,
the determining unit is further configured to obtain outdoor light brightness of the photographing environment, determine a reduction amount of the light illuminance of the photographing environment according to the outdoor light brightness and the difference value, and determine a fitness value of the curtain according to a mapping relationship between the reduction amount of the light illuminance and the fitness value of the curtain.
9. The photographing control apparatus of claim 6, wherein the photographing control apparatus further comprises:
the establishing module is used for sending a connection request to the curtain, receiving confirmation information fed back by the curtain based on the connection request, and establishing communication connection with the curtain according to the confirmation information;
and the control module is also used for sending a control instruction to the curtain to control the curtain to adjust the opening and closing degree when the exposure parameter is not in the target parameter range of the exposure table after the mobile terminal is connected with the curtain.
10. The photographing control device according to any one of claims 6 to 9, wherein the executing module is further configured to receive adjustment completion information fed back by the curtain after the curtain is adjusted, re-acquire the illuminance of the current photographing environment according to the adjustment completion information to determine the exposure parameter, and execute the photographing operation according to the photographing instruction until the exposure parameter is within the target range of the exposure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271112.6A CN106713779A (en) | 2016-12-30 | 2016-12-30 | Photographing control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271112.6A CN106713779A (en) | 2016-12-30 | 2016-12-30 | Photographing control method and device |
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| CN106713779A true CN106713779A (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611271112.6A Withdrawn CN106713779A (en) | 2016-12-30 | 2016-12-30 | Photographing control method and device |
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| CN111099525A (en) * | 2019-12-25 | 2020-05-05 | 苏州罗伯特木牛流马物流技术有限公司 | Double portal AGV |
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Application publication date: 20170524 |