WO2017133208A1 - 拍摄系统及氙气闪光装置 - Google Patents

拍摄系统及氙气闪光装置 Download PDF

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Publication number
WO2017133208A1
WO2017133208A1 PCT/CN2016/093596 CN2016093596W WO2017133208A1 WO 2017133208 A1 WO2017133208 A1 WO 2017133208A1 CN 2016093596 W CN2016093596 W CN 2016093596W WO 2017133208 A1 WO2017133208 A1 WO 2017133208A1
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WIPO (PCT)
Prior art keywords
shooting
auxiliary
flash
module
parameter
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Application number
PCT/CN2016/093596
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English (en)
French (fr)
Inventor
朱宏静
Original Assignee
朱宏静
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201610071122.9A external-priority patent/CN105530438B/zh
Priority claimed from CN201610071131.8A external-priority patent/CN105721748B/zh
Application filed by 朱宏静 filed Critical 朱宏静
Publication of WO2017133208A1 publication Critical patent/WO2017133208A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene

Definitions

  • the present invention relates to the field of portable electronic devices, and in particular to the field of photography of portable electronic devices.
  • LED fill light is difficult to achieve due to limited light intensity when the light is insufficient or the photographing distance is relatively long.
  • the ideal fill light effect
  • Xenon flash lamps also known as high-intensity discharge gas lamps, are capable of achieving a flash that far exceeds the brightness of LED flash lamps, and have excellent daylight reduction capabilities. Use Xenon flash to better capture high-quality photos, especially when the camera is far away or the light is weak. Therefore, some professional camera equipment (such as a single-lens reflex camera) is equipped with a xenon flash lamp.
  • the existing Xenon flash lamp has a large volume and a thick thickness, which does not conform to the trend of thinning the current mobile terminal.
  • most mobile terminals today use a photographic lens as a COMS sensor, but the Xenon flash illuminates for a very short time, about 40 microseconds to 2 milliseconds, which is shorter than the general CMOS sensor from beginning to end.
  • the mechanical shutter is not used, then part of the exposure will be bright and some will be dark.
  • a mechanical shutter all pixels are turned on sequentially when the shutter is closed, then the mechanical shutter is opened, the pixels are simultaneously exposed, then the mechanical shutter is closed, the pixels are simultaneously stopped, and then turned off. Therefore, Xenon flash is more suitable for mechanical shutters, but equipped with a mechanical shutter will have a great impact on the thickness of the phone.
  • the main object of the present invention is to provide a photographing system, a xenon flash device, to improve the photographing effect.
  • the first technical solution adopted by the present invention is: a photographing system comprising a portable photographing device and a xenon flash device, the portable photographing device comprising: a camera module and a central processing unit, the xenon flash
  • the portable photographing device comprising: a camera module and a central processing unit, the xenon flash
  • the device includes a xenon flash module and a processor.
  • the portable camera device further includes a first information transmission module and a second information transmission module.
  • the xenon flash device includes a third information transmission module and a fourth information transmission module, the first information transmission module and the third information.
  • the transmission module is matched, and the second information transmission module is matched with the fourth information transmission module;
  • the central processing unit of the portable camera acquires initial shooting parameters, performs calculation according to the initial shooting parameters to obtain adjusted shooting parameters, generates an auxiliary shooting information, and outputs the auxiliary shooting information through the first information transmission module;
  • the parameter generates at least one set of continuous shooting instructions or video shooting instructions, wherein a set of continuous shooting instructions or video shooting instructions are associated with an auxiliary flashing start command; the auxiliary information of the auxiliary flashing start command is output by the second information transmitting module;
  • Shooting instructions or video shooting commands to control the camera module to take a picture and obtain a photograph taken;
  • the processor of the xenon flash device obtains the auxiliary shooting information through the third information transmission module, and obtains a synchronization time according to the auxiliary shooting information; the processor further obtains an auxiliary flash start command through the fourth information transmission module, starts timing, and When the timing reaches the synchronization time, the Xenon flash module is controlled to flash.
  • the second technical solution adopted by the present invention is: a xenon flash device comprising a xenon flash module, a processor, a third information transmission module and a fourth information transmission module; Obtaining auxiliary shooting information sent by a portable camera device by using the third information transmission module, obtaining synchronization time according to the auxiliary shooting information; and obtaining, by the fourth information transmission module, the auxiliary flashing start command sent by the portable camera device , start timing, and when the timing reaches the synchronization time, control the xenon flash module to flash.
  • the third technical solution adopted by the present invention is: a shooting control device that operates on a portable photographing device and is executed by a central processing unit of the portable photographing device, the portable photographing device further including a camera
  • the module, the first information transmission module and the second information transmission module, the shooting control device includes:
  • a shooting parameter acquisition module configured to acquire an initial shooting parameter in an external xenon flash shooting mode, and obtain a adjusted shooting parameter by using a predetermined rule according to the initial shooting parameter
  • the auxiliary shooting information generating module is configured to generate corresponding auxiliary shooting information according to the shooting parameter, wherein the auxiliary shooting information is output by the first information transmission module, and the auxiliary shooting information is used for obtaining a synchronization corresponding to the adjusted shooting parameter by a xenon flash device time;
  • a shooting instruction generating module configured to generate at least one set of continuous shooting instructions or video shooting instructions according to the adjusted shooting parameters, wherein a set of continuous shooting instructions or video shooting instructions are associated with an auxiliary flashing start command, the auxiliary flashing start command is passed through the second Information transmission module output;
  • the photo acquisition module is configured to control the camera module to take a photo according to the at least one set of continuous shooting instructions or video shooting instructions, and obtain one of the photos as the current photograph.
  • the fourth technical solution adopted by the present invention is: an auxiliary flash control device that operates on a xenon flash device, the xenon flash device includes a third information transmission module, a fourth information transmission module, and The Xenon flash module is characterized in that the auxiliary flash control device comprises:
  • a communication establishing module configured to establish a communication connection with a portable camera by the communication transmission module
  • a parameter acquisition module configured to acquire auxiliary shooting information output by the portable camera by using the third information transmission module, to obtain a synchronization time
  • the flash control module is configured to obtain an auxiliary flash start command by the fourth information transmission module, start timing, determine whether the timing reaches the synchronization time according to the synchronization time, and control the xenon flash module to flash when the timing reaches the synchronization time.
  • FIG. 1 is a schematic diagram showing the composition of a photographing system in an embodiment of the present invention.
  • FIG. 2 is a block diagram showing a central processing unit of a portable photographing device according to an embodiment of the present invention
  • Figure 3 is a process flow diagram of the photographing control device of Figure 2;
  • FIG. 4 is a schematic block diagram of a xenon flash device according to an embodiment of the present invention.
  • FIG. 5 is a flow chart showing the execution of an auxiliary flash by the xenon flash device according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a module of a photographing control device according to an embodiment of the present invention.
  • Fig. 7 is a block diagram showing an auxiliary flash control device of a xenon flash device in an embodiment of the present invention.
  • the photographing system 100 includes a portable photographing device 200 and a xenon flash device 300.
  • the portable photographing device 200 can be a portable electronic device having a photograph taking function, such as a mobile phone, a tablet computer, an e-book device, a music player, a camera, or the like.
  • the portable camera device 200 includes a camera module 210, a central processing unit 230, a first information transmission module 220, and a second information transmission module 240.
  • the xenon flash device 300 includes a xenon flash module 310, a third information transmission module 320, a processor 330, and a fourth information transmission module 350.
  • the first information transmission module 220 matches the third information transmission module 320
  • the second information transmission module 240 matches the fourth information transmission module 350.
  • the central processing unit 230 of the portable camera device 200 acquires initial shooting parameters, performs calculation based on the initial shooting parameters to obtain adjusted shooting parameters, generates an auxiliary shooting information, and outputs the auxiliary shooting information through the first information transmission module 220; Adjusting the shooting parameters to generate at least one set of continuous shooting instructions or video shooting instructions, wherein a set of continuous shooting instructions or video shooting instructions are associated with an auxiliary flashing start command; controlling the camera module according to the at least one set of continuous shooting instructions or video shooting instructions The photographing is performed and the photograph taken is obtained; the auxiliary flash start command is output by the second information transmission module 240.
  • the processor 330 of the xenon flash device 300 obtains the auxiliary shooting information through the third information transmission module 320, and obtains a synchronization time according to the auxiliary shooting information; the processor 330 also passes The fourth information transmission module 350 obtains an auxiliary flash start command, starts timing, and controls the xenon flash module 310 to flash when the timing reaches the synchronization time.
  • the first information transmission module 220 and the second information transmission module 240 may be a USB interface, IEEE1394, Wifi, Bluetooth, NFC, Beacon, 2G, 3G, 4G, 2.4G, LTE, 5G, optical transmission, audio interface, audio.
  • the first information transmission module 220 and the second information transmission module 240 may be the same type or different types of transmission modules.
  • the first information transmission module 220 may be Bluetooth
  • the second information transmission module 240 is an optical transmission module (for example, an LED flash); or the first information transmission module 220 and the second information transmission module 240 may both be Bluetooth or Optical transmission module.
  • the third information transmission module 320 matches the first information transmission module 220, and the fourth information transmission module 350 matches the second information transmission module 240.
  • the first information transmission module 220 or the second information transmission module 240 is an optical transmission module (for example, an LED flash), and then the third information transmission module 320 or the fourth information transmission module 350 corresponds to data transmission capable of receiving optical transmission. Module, such as a light sensor.
  • the first information transmission module 220 or the second information transmission module 240 is a sound transmission module (for example, a speaker)
  • the third information transmission module 320 or the fourth information transmission module 350 corresponds to a data transmission module that can receive sound transmission. , for example, a sound sensor.
  • the first information transmission module 220 of the portable camera device 200 transmits the auxiliary shooting information by optical transmission, and can encode the auxiliary shooting information according to a preset manner, such as flash time, flash intensity, flash frequency, and the like. Control the LED flash to perform the corresponding flash (light signal).
  • the auxiliary imaging information can be obtained by performing inverse encoding according to a preset manner. The same sound transmission can complete the transmission and reception of the auxiliary shooting information.
  • the third information transmission module 320 and the first information transmission module 220 are wired or wireless transmission modules; the second information transmission module 240 is an LED flash on the portable camera, the fourth information.
  • the transmission module 350 is a light sensor.
  • the auxiliary flash start command may be a flash command of a specific or non-specific flash parameter, and the portable photographing device 200 controls the LED flash to perform flash according to the flash command, and the fourth information transmission module 350 (light sensor) of the xenon flash device 300 senses The flash.
  • the light sensor of the xenon flash device 300 is electrically connected to the processor 330, and the light sensor is attached to the LED of the portable camera device 200. On the flash.
  • the first information transmission module 220, the second information transmission module 240, the third information transmission module 320, and the fourth information transmission module 350 are all wired or wireless transmission modules.
  • the portable camera 200 and the xenon flash device 300 are communicatively coupled via respective communication transmission modules.
  • the portable photographing device 200 can control the xenon flash device 300 to perform flashing when photographing, thereby providing photographing fill light and improving the effect of photographing the photograph.
  • the xenon flash device 300 can flash in accordance with the set auxiliary flash parameters.
  • the corresponding auxiliary flash parameters may be determined according to different shooting parameters (adjusted shooting parameters or initial shooting parameters), and the xenon flash module 310 is controlled to flash according to the corresponding auxiliary flash parameters to improve the effect of the photo. .
  • the central processing unit 230 of the portable photographing device 200 generates at least one set of continuous shooting instructions or video shooting instructions for the portable shooting device to be in a locked focus state.
  • the lock focus state refers to the lock focus, and the portable photographing device 200 cannot detect the focus distance in the lock focus state. It can be understood that the portable photographing device 200 can enter the lock focus state in various manners, such as the user performing a predetermined operation (such as clicking/double clicking) on the photographing screen; or the portable photographing device 200 is generating at least one set of continuous shooting instruction or video shooting instruction. Previously, the portable photographing device 200 was controlled to turn off the auto focus function.
  • FIG. 2 it is a block diagram of a central processing unit of a portable camera.
  • An operating system 260 and a photographing control device 250 are run on the central processing unit 230 of the portable photographing device 200.
  • the shooting control device 250 is a programmable processing device for generating various shooting related instructions.
  • the operating system 260 can be a variety of portable device operating systems such as Andriod, iOS, Window Mobile or Linux.
  • the operating system 260 generates various shooting-related commands according to the shooting control device 250, and controls the camera module 210, the first information transmission module 220, and the second information transmission module 240 of the portable imaging device 200 to perform corresponding operations.
  • step S410 receives an operation command, entering an external xenon flash shooting mode.
  • the user's graphical interface of the shooting control device is directly provided with the identification of the external xenon flash shooting mode, and the user clicks on the logo to enter the external helium.
  • the flash shooting mode or, when a shooting instruction is received (for the convenience of subsequent description, the shooting instruction here may be a shooting preparation command), it is determined whether the portable shooting device 200 is communicably connected to the xenon flash device 300, and if so, enters External Xenon flash shooting mode; if not, take the normal shooting mode, that is, with built-in LED lights or no flash.
  • the central processing unit 230 obtains initial shooting parameters, and performs calculation based on the initial shooting parameters to obtain adjusted shooting parameters (step S420).
  • the initial shooting parameters may be obtained in a plurality of manners, for example, the user manually sets; or the shooting control device 250 issues a focus/environment metering command to the camera module 210 through the operating system 260 to obtain the camera module.
  • the initial shooting parameters fed back by 210; the initial shooting parameters obtained by the camera module 210 are provided for adjustment by the user to obtain the final initial shooting parameters.
  • the initial shooting parameters include, but are not limited to, a shutter value, an ISO value, a white balance value, and the like.
  • the flash of the portable camera is covered by the light sensor of the xenon flash device, when the central processing unit 230 issues a focus/environment metering command, it can be deflated by various transmission methods.
  • the flash device sends an auxiliary focus metering command to turn on the LED light on the xenon flash device to turn on the auxiliary focus/environment metering.
  • the calculation is performed in accordance with a predetermined rule, which may be a pre-edited algorithm or a correspondence table.
  • a predetermined rule which may be a pre-edited algorithm or a correspondence table.
  • the initial shooting parameter is acquired in the case where the camera module 210 is flashed by the LED in the portable photographing device, in the case of the external xenon flash device, since the intensity of the xenon flash device is tens of even the LED flash, It is hundreds of times. If you take pictures with the original initial shooting parameters, there may be a situation where the explosion is too high, so that the quality of the photos obtained by the shooting is not good.
  • the initial shooting parameters are converted into shooting parameters (adjusted shooting parameters) suitable for the external xenon flash device, and the quality of the photos obtained by the photographing is ensured.
  • the auxiliary shooting information is generated, and the auxiliary shooting information is output by the first information transmission module 220 (step S430).
  • the auxiliary shooting information may be generated in various manners, for example, (1) generating an identification code that identifies a shooting parameter such as a shutter value, an ISO value, and a white balance value, and the auxiliary shooting information is an identification code of the shooting parameter; (2)
  • the photographing control device 250 stores an auxiliary photographing parameter correspondence table corresponding to the photographing parameter and the auxiliary photographing parameter, and the photographing control device 250 queries the correspondence table according to the photographing parameter to obtain a corresponding auxiliary photographing parameter; the auxiliary photographing parameter For the external xenon flash device 300, the synchronization time or synchronization time and the auxiliary flash parameter required for the shooting are completed, and the auxiliary shooting information includes the auxiliary shooting parameters.
  • the auxiliary flash parameters may be parameters such as the number of xenon flashes, each flash intensity, each flash time, and each xenon flash interval. It can be understood that the obtained xenon flash parameter can be displayed on a graphical user interface (GUI), and the user can manually correct the xenon flash parameter in a small range, and the auxiliary shooting information is an auxiliary shooting parameter manually adjusted by the user.
  • the shooting parameter may be an initial shooting parameter or an adjusted shooting parameter.
  • the central processing unit 230 generates at least one set of continuous shooting instructions or video shooting instructions according to the adjusted shooting parameters, wherein a set of continuous shooting instructions or video shooting instructions are associated with an auxiliary flash starting finger Order (step S440).
  • the continuous shooting command includes, but is not limited to, an HDR type continuous shooting instruction.
  • step S440 further includes: determining whether the portable photographing device 200 is in a lock focus state before generating at least one set of continuous shooting instructions or video shooting instructions, generating at least one set of continuous shooting instructions or video shooting instructions in a locked focus state produce.
  • the auxiliary flash start command is output by the second information transmission module (step S450).
  • the second information transmission module step S450.
  • the camera module is controlled to take a picture according to the at least one set of continuous shooting command or video shooting command and obtain one of the photos as the current taken photo (step S460). It can be understood that there are various ways to obtain one of the photos as the photo taken. For example, the photos acquired by the camera module 210 are sequentially displayed on the graphical user interface of the shooting control device 250, and are obtained according to the user's selection. The selected photo is taken as the photo taken, or the first photo of the first (for example, the third) continuous shooting command is fixedly selected as the current photograph according to the preset program; or the fixed time line in the captured video is obtained. One frame of the photo is taken as the current photo, or several frames of the video or a fixed number of frames of the fixed timeline are provided to the user for selection.
  • the method before the generating the auxiliary shooting information, the method further includes: determining, according to the initial shooting parameter and the second preset rule, whether the auxiliary lens needs to be loaded, and generating and displaying the prompt to load when the auxiliary lens needs to be loaded Auxiliary lens specifications.
  • the auxiliary lens includes, but is not limited to, at least one of the following: a dimming mirror, a filter, a soft lens, and an astigmatic lens. And the auxiliary shooting information is generated after receiving the operation instruction determined by the user.
  • the method further includes the steps of: generating a display lamp control command, and transmitting the display lamp control command to the xenon flash device 300, wherein the display lamp control command is used to control the xenon flash device 300 to control the indicator display lamp to perform a corresponding display function, the display function Includes color, color change, frequency of change, and display.
  • FIG. 4 it is a schematic diagram of a module of a xenon flash device.
  • the xenon flash device 300 is fixed to the portable photographing device 200 by a dedicated mobile phone protective case, a self-timer lever or the like, and the xenon flash device 300 is communicably connected to the portable photographing device 200 described above, according to the portable photographing device.
  • the shooting operation generated by the device 200 controls the xenon flash module 310 included in the device to perform flashing.
  • the xenon flash device 300 preferably includes a power supply circuit 340, an indicator display lamp 370, and a memory 380 in addition to the Xenon flash module 310, the third information transmission module 320, the processor 330, and the fourth information transmission module 350.
  • the processor 330 is electrically connected to other modules for controlling the operations of other modules.
  • the power circuit 340 provides electrical energy to the other modules.
  • the processor 330 is a single task
  • the processor is, for example, an MCU, or a multitasking processor, but since there are fewer tasks to be processed at the same time, various control instructions do not suffer from delay processing.
  • the third information transmission module 320 is in communication with the portable camera device 200.
  • the processor 330 acquires the auxiliary camera information transmitted by the third information transmission module 320 from the portable camera device 200, and obtains the synchronization time according to the auxiliary camera information.
  • the fourth information transmission module 350 obtains an auxiliary flash start command output by the portable photographing device 200, and the processor 330 starts timing according to the auxiliary flash start command, and controls the xenon flash module 310 to flash when the timing reaches the synchronization time.
  • the third information transmission module 320 is a wired or wireless transmission module
  • the fourth information transmission module 350 is a light sensor.
  • the processor 330 further obtains a flash parameter according to the auxiliary shooting information, and when the timer reaches the synchronization time, the processor 330 controls the xenon flash module 310 to perform flashing according to the flash parameter.
  • the xenon flash device 300 also receives a display lamp control command sent by the portable camera device 200, and controls the indicator display lamp 370 to perform a corresponding display function including display modes such as color, color change, change frequency, and brightness.
  • the indicator display light is a Logo display light.
  • the synchronization time is obtained according to the auxiliary shooting information, and the following manners are adopted: the auxiliary shooting information directly includes the synchronization time; or the memory 380 of the xenon flash device stores the shooting parameter and the synchronization time correspondence table, and the auxiliary
  • the photographing information is an identification code of the photographing parameter, and the processor 330 obtains the synchronizing time from the photographing parameter and the synchronization time correspondence table according to the identification code.
  • the auxiliary flashing parameter is obtained according to the auxiliary shooting information, and the following manners are adopted: the auxiliary shooting information directly includes the auxiliary flashing parameter; or the memory 380 of the xenon flashing device stores the shooting parameter and the flashing parameter correspondence table.
  • the auxiliary shooting information is an identification code of the shooting parameter, and the processor 330 obtains the synchronization time from the shooting parameter and the synchronization time correspondence table according to the identification code.
  • the shooting parameters in the embodiment may be initial shooting parameters or adjusted shooting parameters.
  • FIG. 5 a schematic flow chart of performing an auxiliary flash for the xenon flash device of the present invention is shown.
  • the auxiliary photographing information transmitted from the portable photographing device 200 is received by the third information transmission module 320, and the synchronization time is obtained (step S520).
  • the synchronization time and the flashing parameter are directly included in the auxiliary shooting information; and the other way is that the auxiliary shooting information is the identification code of the shooting parameter, and the auxiliary shooting parameter correspondence table is stored in the memory 380 of the xenon flash device.
  • the processor 330 obtains the synchronization time from the auxiliary shooting parameter correspondence table according to the identification code.
  • the processor 330 obtains an auxiliary flash start command output by the portable photographing device 200 through the fourth information transmission module (step S530).
  • the processor 330 starts timing according to the auxiliary flash start command (step S540); the processor 330 determines whether the timing reaches the synchronization time based on the synchronization time (step S550). When the determination result is no, the processor 330 continues counting; and when the timing reaches the synchronization time, the processor 330 controls the xenon flash module 310 to flash (step S560).
  • the auxiliary shooting information further includes a flashing parameter; or the auxiliary shooting information is an identification code of the shooting parameter, and the memory 380 of the xenon flash device stores a shooting parameter and a flashing parameter correspondence table, and the processing is performed.
  • the controller 330 obtains a flash parameter from the photographing parameter and the flash parameter correspondence table according to the identification code.
  • the step S560 controls the xenon flash module 310 to flash according to the flash parameter to achieve a better photographing effect.
  • the method further includes the steps of: the xenon flash device 300 further receives a display lamp control command sent by the portable camera device 200, and controls the indicator display lamp 370 to perform a corresponding display function, where the display function includes a color, a color change, a change frequency, and a display mode such as brightness and darkness.
  • the indicator display light is a Logo display light.
  • the shooting control device 250 includes:
  • the shooting parameter acquisition module 251 is configured to acquire initial shooting parameters in an external xenon flash shooting mode, and perform calculation using a predetermined rule to obtain adjusted shooting parameters.
  • the initial shooting parameters may be obtained in a plurality of manners, for example, the user manually sets.
  • the shooting parameter acquiring module 251 issues a focus/environment metering command to the camera module 210 through the operating system 260 to obtain a camera module.
  • the initial shooting parameters fed back by the group 210; the initial shooting parameters obtained by the camera module 210 are provided for adjustment by the user to obtain the final initial shooting parameters.
  • the initial shooting parameters include, but are not limited to, a shutter value, an ISO value, a white balance value, and the like.
  • the transmission can be performed by various transmission methods.
  • the Xenon flash device sends an auxiliary focus metering command to turn on the LED light on the Xenon flash device to turn on the assist focus/environment metering.
  • the auxiliary shooting information generating module 252 is configured to generate auxiliary shooting information according to the shooting parameters, and the operating system 260 outputs the auxiliary shooting information through the first information transmission module 220.
  • the shooting instruction generation module 253 generates at least one set of continuous shooting instructions or video shooting instructions according to the adjusted shooting parameters, wherein a set of continuous shooting instructions or video shooting instructions is associated with an auxiliary flashing start command.
  • the operating system 260 outputs the auxiliary flash start command through the second information transmission module 240.
  • the continuous shooting instruction includes but is not limited to HDR Continuous shooting instructions.
  • the photographing instruction generating module 253 is further configured to determine whether the portable photographing device 200 is in a lock focus state before generating at least one set of continuous shooting instructions or video shooting instructions, and if so, generating the at least one set of continuous shooting instructions or video shooting instructions .
  • the photo acquisition module 254 controls the camera module to take a picture according to the at least one set of continuous shooting instructions or video shooting instructions and obtain one of the photos as the current taken photo.
  • the photographing control device 250 further includes a communication connection module 255 for establishing a communication connection with the xenon flash device 300 through the communication transmission module 240.
  • the shooting control device 300 obtains the Xenon flash device 300 that can establish the communication connection according to the operation of the user, or receives the communication connection request sent by the Xenon flash device 300, generates a communication connection command, and sends the communication connection command to the communication connection command.
  • the operating system 260 establishes a communication connection with the xenon flash device 300 via the communication transmission module 240.
  • the portable camera device 200 can establish a communication connection with the third information transmission module 320 of the xenon flash device 300 through the first information transmission module 220, and can also establish a communication connection with the xenon flash device 300 through other communication modules.
  • the shooting mode determining module 256 is configured to determine that the portable camera enters an external xenon flash shooting mode.
  • the user's graphical interface of the shooting control device is directly provided with the identification of the external xenon flash shooting mode, and the user clicks on the logo to enter the external helium.
  • the auxiliary lens confirmation module 257 is configured to determine whether to load the auxiliary lens according to the initial shooting parameters and the preset rule, and generate and display the auxiliary lens specifications that are to be loaded when the auxiliary lens needs to be loaded.
  • the auxiliary lens includes, but is not limited to, at least one of the following: a dimming mirror, a filter, a soft lens, and an astigmatic lens. And the auxiliary shooting information is generated after receiving the operation instruction determined by the user.
  • the display light control module 258 is configured to generate a display light control command, and send the display light control command to the xenon flash device 300.
  • the auxiliary flash control device 700 is a programmable device that operates on the processor 330 of the xenon flash device 300. It includes:
  • the parameter acquisition module 720 is configured to acquire the auxiliary shooting information sent by the portable camera device 200 through the third information transmission module 320 to obtain a synchronization time. Synchronization time according to the previous description
  • the auxiliary shooting information is directly included in the auxiliary shooting information; and the auxiliary shooting information is the identification code of the shooting parameter, the auxiliary shooting parameter correspondence table is stored in the memory 380 of the xenon flash device, and the parameter obtaining module 720 is assisted according to the identification code.
  • the synchronization time is obtained in the shooting parameter correspondence table.
  • the flash control module 740 is configured to obtain an auxiliary flash start command by the fourth information transmission module, start timing, determine whether the timing reaches the synchronization time according to the synchronization time, and continue counting when the determination result is no; and when the timing reaches the synchronization time At this time, the Xenon flash module 310 is controlled to flash.
  • the fourth information transmission module is a light sensor electrically connected to the processor 330, and the flash control module 740 is configured to obtain an auxiliary flash start command according to the light sensing information of the light sensor.
  • the auxiliary shooting information further includes an auxiliary flash parameter; or the auxiliary shooting information is an identification code of the shooting parameter, and the auxiliary shooting parameter correspondence table stored in the memory 380 of the xenon flash device further defines a shooting parameter and an auxiliary flash.
  • the parameter obtaining module 720 is further configured to obtain an auxiliary flash parameter from the auxiliary shooting parameter correspondence table according to the identification code.
  • the flash control module 740 is further configured to control the flash of the xenon flash module 310 according to the auxiliary flash parameter to achieve a better photographing effect.
  • the auxiliary flash control device 700 further includes an identification display module 760 for controlling the identification display light 370 to perform a corresponding identification display function according to the display light control instruction sent by the portable imaging device 200, the identification display function includes a color, Display methods such as color change, frequency of change, and brightness.
  • the indicator display light is a logo display light.
  • the auxiliary flash control device 700 further includes a communication establishing module 780 for establishing a communication connection with the portable photographing device 200. It can be understood that the xenon flash device 300 can establish a communication connection with the first information transmission module 220 of the portable camera device 200 through the third information transmission module 320, and can also establish a communication connection with the portable camera device 200 through other communication modules.
  • the xenon flash device 300 further includes an LED lamp
  • the auxiliary flash control device 700 further includes an auxiliary focus photometry module 790 for obtaining the portable camera device 200 by various transmission methods.
  • the auxiliary focus metering command controls the LED light on the xenon flash device 300 to be turned on, and the LED light is turned on to assist the focus/environmental metering. It can be understood that various transmission modes may be the third information transmission module 320 or other communication module of the xenon flash device 300.
  • the photographing control device 250 and the auxiliary flash control device 700 cooperate to constitute an auxiliary flash photographing system.
  • each block of the flowchart or block diagram can represent a module, a program segment, or a portion of code that includes one or more of the Execute the instruction.
  • the functions noted in the blocks may also occur in a different order than that illustrated in the drawings. For example, two consecutive blocks may be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending upon the functionality involved.
  • each block of the block diagrams and/or flowcharts, and combinations of blocks in the block diagrams and/or flowcharts can be implemented in a dedicated hardware-based system that performs the specified function or function. Or it can be implemented by a combination of dedicated hardware and computer instructions.
  • the disclosed methods, systems, and devices may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the module is only a logical function division.
  • multiple modules or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some communication interface, device or unit, and may be electrical, mechanical or otherwise.

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Abstract

本发明提供一种拍摄系统,包括有一便携式拍摄装置及氙气闪光装置,该便携式拍摄装置获取初始拍摄参数,输出一辅助拍摄信息;产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令;输出该辅助闪光启动指令;该氙气闪光装置获得该辅助拍摄信息,根据辅助拍摄信息获得同步时间;获得辅助闪光启动指令,启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组进行闪光。本发明还提供一种氙气闪光装置。本发明可以实现便携式拍摄装置拍照与氙气闪光装置闪光同步。

Description

拍摄系统及氙气闪光装置 技术领域
本发明涉及便携式电子装置领域,具体而言,涉及便携式电子装置的拍摄领域。
背景技术
目前市面绝大多数移动拍照设备(例如手机、平板电脑等便携式照相装置)拍照补光配置的是LED补光,而LED补光在光线不足或者拍照距离比较远时,由于光线亮度有限很难达到理想的补光效果。
氙气闪光灯又称高强度放电式气体灯,其能够实现远超过LED闪光灯亮度的闪光,而且具有出色的日光还原能力。使用氙气闪光灯可以更好的拍摄出高品质的照片,尤其是在拍照距离比较远或光线较弱下使用,效果更为明显。因此在一些专业的照相设备(例如单反照相机)有配备氙气闪光灯。
但是,现有的氙气闪光灯体积较大、厚度较厚,不符合现在移动终端薄型化的趋势。而且,出于成本及薄型化的考虑,现在的移动终端大多采用照相镜头为COMS传感器,但氙气闪光灯点亮的时间非常短,约为40微秒到2毫秒,短于一般CMOS传感器从头到尾收集光线的时间,如果不用机械快门,那么曝光的时候就会一部分是亮的,一部分还是暗的。而使用机械快门,在快门关闭的时候先让所有像素依次打开,然后机械快门打开,像素同时曝光,然后机械快门关闭,像素同时停止曝光,然后依次关闭。所以,氙气闪光灯更适用于机械快门,但是配备机械快门会对手机厚度造成很大影响。
为了可使用氙气闪光灯,提高移动拍照设备的拍照效果而且不增大移动拍照设备厚度,现有出现了采用外接氙气闪光灯的方式,例如深圳市中兴通信有限公司(以下简称为中兴通信)在2013年6月27日申请并在2013年12月11日公开的中国201320376363.6号实用新型专利就揭露一种外接氙气闪光灯以及相应的拍摄系统。
申请人对中兴通信的201320376363.6号实用新型专利所揭露的技术方案进行长时间的分析及实验,发现其无法达到很好的拍摄效果,由于氙气闪光灯的闪光时间很短(大约40微秒到2毫秒),基本无法做到移动拍照设备摄像头拍照与氙气闪光灯闪光同步。
发明内容
有鉴于此,本发明主要目的是提供一种拍摄系统、一种氙气闪光装置,以提高拍摄效果。
为解决上述技术问题,本发明采用的第一个技术方案是:一种拍摄系统,包括有一便携式拍摄装置及氙气闪光装置,该便携式拍摄装置包括有:摄像头模组及中央处理器,该氙气闪光装置包括有氙气闪光灯模组及处理器。
该便携式拍摄装置还包括有一第一信息传输模块及一第二信息传输模块,该氙气闪光装置包括有一第三信息传输模块及一第四信息传输模块,该第一信息传输模块与该第三信息传输模块相匹配,该第二信息传输模块与该第四信息传输模块相匹配;
该便携式拍摄装置的中央处理器获取初始拍摄参数,根据该初始拍摄参数进行演算获得调整后拍摄参数,产生一辅助拍摄信息,通过该第一信息传输模块输出该辅助拍摄信息;根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令;通过该第二信息传输模块输出该辅助闪光启动指令;根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得拍摄的照片;
该氙气闪光装置的处理器通过该第三信息传输模块获得该辅助拍摄信息,根据辅助拍摄信息获得同步时间;该处理器还通过该第四信息传输模块获得辅助闪光启动指令,启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组进行闪光。
为解决上述技术问题,本发明采用的第二个技术方案是:一种氙气闪光装置,其包括有氙气闪光灯模组、处理器、一第三信息传输模块及一第四信息传输模块;该处理器通过该第三信息传输模块获得一便携式拍摄装置发送的辅助拍摄信息,根据该辅助拍摄信息获得同步时间;该处理器还通过该第四信息传输模块获得该便携式拍摄装置发送的辅助闪光启动指令,启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组进行闪光。
为解决上述技术问题,本发明采用的第三个技术方案是:一种拍摄控制装置,其运行于一便携式拍摄装置,由该便携式拍摄装置的中央处理器执行,该便携式拍摄装置还包括有摄像头模组、第一信息传输模块及第二信息传输模块,该拍摄控制装置包括:
拍摄参数获取模块,用于在外接氙气闪光拍摄模式下,获取初始拍摄参数,并根据该初始拍摄参数利用预定规则进行演算获得调整后拍摄参数;
辅助拍摄信息产生模块,用于根据拍摄参数产生相应的辅助拍摄信息,该辅助拍摄信息通过该第一信息传输模块输出,该辅助拍摄信息用于一氙气闪光装置获得该调整后拍摄参数对应的同步时间;
拍摄指令产生模块,用于根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令,该辅助闪光启动指令通过第二信息传输模块输出;
照片获取模块,用于根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得其中一张照片作为本次拍摄照片。
为解决上述技术问题,本发明采用的第四个技术方案是:一种辅助闪光控制装置,其运行于一氙气闪光装置,该氙气闪光装置包括有第三信息传输模块、第四信息传输模块及氙气闪光灯模组,其特征在于,该辅助闪光控制装置包括:
通讯建立模块,用于该氙气闪光装置通过通讯传输模块建立与一便携式拍摄装置的通讯连接;
参数获取模块,用于通过第三信息传输模块获取便携式拍摄装置输出的辅助拍摄信息,获得同步时间;
闪光控制模块,用于通过第四信息传输模块获得辅助闪光启动指令,启动计时,根据该同步时间判断计时是否达到该同步时间,当计时达到同步时间时,控制氙气闪光灯模组闪光。利用本发明的拍摄系统、氙气闪光装置,便携式拍摄装置在拍摄照片时,可以达到便携式拍摄装置的拍摄与氙气闪光装置的闪光同步,因此可利用外接的氙气闪光装置闪光,提高照片的品质。
为使本发明的上述目的、特征和优点能更明显易懂,下文特举较佳实施例,并配合所附附图,作详细说明如下。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,应当理解,以下附图仅示出了本发明的某些实施例,因此不应被看作是对范围的限定,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他相关的附图。
图1是本发明一实施方式中的一种拍摄系统的组成示意图;
图2是本发明一实施方式中的便携式拍摄装置的中央处理器的模块示意图;
图3是图2中的拍摄控制装置的处理流程图;
图4是本发明实施方式的氙气闪光装置的模块示意图;
图5是本发明实施方式的氙气闪光装置执行辅助闪光的流程示意图;
图6是本发明实施方式的拍摄控制装置模块示意图;
图7是本发明实施方式中的氙气闪光装置的辅助闪光控制装置的模块示意图。
主要元件符号说明:
100                    拍摄系统
200                    便携式拍摄装置
210                    摄像头模组
220                    第一信息传输模块
230                    中央处理器
240                    第二信息传输模块
250                    拍摄控制装置
251                    拍摄参数获取模块
252                    辅助拍摄信息产生模块
253                    拍摄指令产生模块
254                    照片获取模块
255                    通讯连接模块
256                    拍摄模式确定模块
257                    辅助镜片确认模块
258                    显示灯控制模块
260                    操作系统
300                    氙气闪光装置
310                    氙气闪光灯模组
320                    第三信息传输模块
330                    处理器
340                    电源电路
350                    第四信息传输模块
370                    标识显示灯
380                    存储器
700                    辅助闪光控制装置
720                    参数获取模块
740                    闪光控制模块
760                    标识显示模块
780                    通讯建立模块
790                    辅助对焦测光模块
具体实施方式
下面将结合本发明实施例中附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。因此,以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围,而是仅仅表示本发明的选定实施例。基于本发明的实施例,本领域技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
参阅图1所示,为本发明实施方式的一种拍摄系统的组成示意图。所述拍摄系统100包括一便携式拍摄装置200及氙气闪光装置300。该便携式拍摄装置200可以为手机、平板电脑、电子书装置、音乐播放器、照相机等具有拍摄照片功能的便携式电子装置。
该便携式拍摄装置200包括有摄像头模组210、中央处理器230、第一信息传输模块220及一第二信息传输模块240。该氙气闪光装置300包括有氙气闪光灯模组310、第三信息传输模块320、处理器330及第四信息传输模块350。该第一信息传输模块220与该第三信息传输模块320相匹配,该第二信息传输模块240与该第四信息传输模块350相匹配。
该便携式拍摄装置200的中央处理器230获取初始拍摄参数,根据该初始拍摄参数进行演算获得调整后拍摄参数,产生一辅助拍摄信息,通过该第一信息传输模块220输出该辅助拍摄信息;根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令;根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得拍摄的照片;通过该第二信息传输模块240输出该辅助闪光启动指令。
该氙气闪光装置300的处理器330通过该第三信息传输模块320获得该辅助拍摄信息,根据辅助拍摄信息获得同步时间;该处理器330还通过 该第四信息传输模块350获得辅助闪光启动指令,启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组310进行闪光。
所述第一信息传输模块220、第二信息传输模块240可以是USB接口、IEEE1394、Wifi、蓝牙、NFC、Beacon、2G、3G、4G、2.4G、LTE、5G、光传输、音频接口、音频传输、红外线传输等各种有线、无线、闪光、声音传输模块中之一。第一信息传输模块220与第二信息传输模块240可以是同一种亦可以是不同种类的传输模块。例如该第一信息传输模块220可以是蓝牙,而第二信息传输模块240为光传输模块(例如LED闪光灯);亦可以是,第一信息传输模块220和第二信息传输模块240均为蓝牙或光传输模块。
该第三信息传输模块320与该第一信息传输模块220相匹配,第四信息传输模块350与该第二信息传输模块240相匹配。例如该第一信息传输模块220或第二信息传输模块240为光传输模块(例如LED闪光灯),那么该第三信息传输模块320或第四信息传输模块350对应的为可接收光传输的数据传输模块,例如光感应器。如果该第一信息传输模块220或第二信息传输模块240为声音传输模块(例如喇叭),那么该第三信息传输模块320或第四信息传输模块350对应的为可接收声音传输的数据传输模块,例如声音传感器。
可以理解,便携式拍摄装置200的第一信息传输模块220通过光传输方式传输该辅助拍摄信息,可为根据预设方式将辅助拍摄信息进行编码,例如闪光时间、闪光强度、闪光频率等进行编码,控制LED闪光灯进行相应的闪烁(光信号)。而氙气闪光装置300的第三信息传输模块320感应到相应的光信号后,根据预设方式进行反编码即可获得该辅助拍摄信息。同理声音传输可以完成辅助拍摄信息的传输及接收。
在实施方式中,较佳的该第三信息传输模块320与该第一信息传输模块220为有线或无线传输模块;该第二信息传输模块240为便携式拍摄装置上的LED闪光灯,该第四信息传输模块350为光传感器。该辅助闪光启动指令可为特定或不特定闪光参数的闪光指令,该便携式拍摄装置200根据该闪光指令控制LED闪光灯进行闪光,该氙气闪光装置300的第四信息传输模块350(光传感器)感应到该闪光。为了提高氙气闪光装置300的第四信息传输模块350(光传感器)的准确度,该氙气闪光装置300的光传感器电连接该处理器330,而且该光传感器贴盖在该便携式拍摄装置200的LED闪光灯上。
在本实施方式的第二方面,该第一信息传输模块220、第二信息传输模块240、第三信息传输模块320、第四信息传输模块350均为有线或无线传输模块。
该便携式拍摄装置200与所述氙气闪光装置300通过各自的通讯传输模块进行通讯连接。该便携式拍摄装置200在拍摄照片时,可控制氙气闪光装置300进行闪光,从而提供拍摄补光,提高拍摄照片的效果。
可以理解的是,在本实施方式中,氙气闪光装置300是可以按照设定的辅助闪光参数进行闪光。但是,为了提高照片的效果,可以依照不同的拍摄参数(调整后拍摄参数或初始拍摄参数)确定相应的辅助闪光参数,依照相应的辅助闪光参数控制氙气闪光灯模组310进行闪光,提高照片的效果。
进一步,该便携式拍摄装置200的中央处理器230产生至少一组连拍指令或视频拍摄指令是为该便携式拍摄装置处于锁焦状态下产生。所述锁焦状态是指锁定焦距,在锁焦状态下便携式拍摄装置200不能再对焦距进行侦测。可以理解,便携式拍摄装置200进入锁焦状态可以有多种方式,例如用户对拍摄画面进行预定操作(例如点击/双击);或是便携式拍摄装置200在产生至少一组连拍指令或视频拍摄指令之前,控制便携式拍摄装置200将自动对焦功能关闭。
参阅图2所示,为便携式拍摄装置的中央处理器的模块示意图。该便携式拍摄装置200的中央处理器230上运行有操作系统260及拍摄控制装置250。该拍摄控制装置250为可程序化处理装置,用于产生各种拍摄相关的指令。该操作系统260可以为Andriod、iOS、Window Mobile或Linux等各种便携式装置操作系统。该操作系统260根据拍摄控制装置250产生各种拍摄相关的指令,控制便携式拍摄装置200的摄像头模组210、第一信息传输模块220及第二信息传输模块240执行相应的作业。
参阅图3所示,为图2中拍摄控制装置的处理流程图。接收操作指令,进入外接氙气闪光灯拍摄模式(步骤S410)。在本实施方式中,进入外接氙气闪光灯拍摄模式可以有多种方式,例如拍摄控制装置的使用者图形界面上直接设置有该外接氙气闪光灯拍摄模式的标识,用户点击该标识,即进入该外接氙气闪光灯拍摄模式;或者,在接收到拍摄指令时(为了后续描述的方便,这里的拍摄指令可以是拍摄准备指令),判断该便携式拍摄装置200是否通讯连接有氙气闪光装置300,如果有,则进入外接氙气闪光灯拍摄模式;而如果没有,则采取普通的拍摄模式,即采用内置LED灯或不采用闪光。
中央处理器230获得初始拍摄参数,根据该初始拍摄参数进行演算获得调整后拍摄参数(步骤S420)。在本实施方式中,获得初始拍摄参数可以有很多种方式,例如:用户手动设定;或者,拍摄控制装置250通过操作系统260向摄像头模组210发出对焦/环境测光指令,获得摄像头模组210反馈的初始拍摄参数;获得摄像头模组210反馈的初始拍摄参数提供给用户进行调整,获得最终的初始拍摄参数。所述初始拍摄参数包括但不限于快门值、ISO值及白平衡值等。在本发明的较佳实施方式中,由于便携式拍摄装置的闪光灯被氙气闪光装置的光传感器给贴盖住,那么中央处理器230发出对焦/环境测光指令时,可通过各种传输方式向氙气闪光装置发送辅助对焦测光指令,通过氙气闪光装置开启其上面的LED灯开辅助对焦/环境测光。
该演算是为依照预定规则进行,该预定规则可以是预先编辑好的算法或是对应表。在本实施方式中,由于该初始拍摄参数是在摄像头模组210在便携式拍摄装置利用LED闪光的情况获取的,在外接氙气闪光装置的情况,由于氙气闪光装置的强度是LED闪光灯的几十甚至是数百倍,如果还利用原本的初始拍摄参数进行拍照,可能会存在过爆的情况,使拍摄所获得的照片品质不好。而在本实施方式中,通过根据预定规则进行转换,将初始拍摄参数转换为适合外接氙气闪光装置的拍摄参数(调整后的拍摄参数),保证了拍照所获得的照片的品质。
产生辅助拍摄信息,通过该第一信息传输模块220输出该辅助拍摄信息(步骤S430)。在本实施方式中,产生辅助拍摄信息亦可以有多种方式,例如:(1)产生标识快门值、ISO值及白平衡值等拍摄参数的标识代码,辅助拍摄信息为拍摄参数的标识代码;(2)该拍摄控制装置250存储有拍摄参数与辅助拍摄参数对应关系的辅助拍摄参数对应表,拍摄控制装置250根据拍摄参数,查询该对应表,获得相应的辅助拍摄参数;所述辅助拍摄参数为外接氙气闪光装置300完成拍摄所需的同步时间或同步时间及辅助闪光参数,该辅助拍摄信息包括有所述辅助拍摄参数。该辅助闪光参数可以为氙气闪光次数、每次闪光强度、每次闪光时间以及每次氙气闪光间隔时间等参数。可以理解,该所获得的氙气闪光参数可以显示在图形用户界面(GUI)上,用户可以手动小范围修正该氙气闪光参数,所述辅助拍摄信息为用户手工调整后的辅助拍摄参数。在本实施方式中,拍摄参数可为初始拍摄参数亦可为调整后拍摄参数。
该中央处理器230根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指 令(步骤S440)。在本实施方式中,该连拍指令包括但不限于HDR式连续拍摄指令。进一步,步骤S440中还包括:在产生至少一组连拍指令或视频拍摄指令之前,判断便携式拍摄装置200是否处于锁焦状态,产生至少一组连拍指令或视频拍摄指令是在锁焦状态下产生。
通过该第二信息传输模块输出该辅助闪光启动指令(步骤S450)。关于此部分的详细介绍,请参照前面所述。
根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得其中一张照片作为本次拍摄照片(步骤S460)。可以理解,获得其中一张照片作为本次拍摄照片有多种方式可以实现,例如,在该拍摄控制装置250的图形用户界面上依次显示摄像头模组210所获取的照片,根据用户的选择获得其中所选择的照片作为本次拍摄照片,或者依照预设程序固定选择第几个(例如第三个)连拍指令的第一张照片作为本次拍摄照片;或是获取所拍摄视频中固定时间线的一帧照片作为本次拍摄照片,或者将视频中所有帧或固定时间线的几帧照片提供给用户选择。
进一步,在步骤S430中,在产生辅助拍摄信息之前还包括有步骤:根据初始拍摄参数及第二预设规则,判断是否需要加载辅助镜片,并在需要加载辅助镜头时,产生并显示提示要加载的辅助镜片规格。该辅助镜片包括但不限于下列的至少一种,减光镜、滤光镜、柔光镜片、散光镜片。并当接收到用户确定的操作指令后,产生该辅助拍摄信息。
进一步,还包括步骤:产生显示灯控制指令,发送该显示灯控制指令给氙气闪光装置300,该显示灯控制指令用于控制氙气闪光装置300控制该标识显示灯执行相应的显示功能,该显示功能包括颜色、颜色变化、变化频率及明暗等显示方式。
参阅图4所示,为氙气闪光装置的模块示意图。在本实施方式中,该氙气闪光装置300通过专用手机保护壳、自拍杆或者其他方式固定在便携式拍摄装置200上,氙气闪光装置300通讯连接于前面所述的便携式拍摄装置200,根据该便携式拍摄装置200所产生的拍摄作业,控制其所包括的氙气闪光灯模组310进行闪光。
该氙气闪光装置300除了包括有氙气闪光灯模组310、第三信息传输模块320、处理器330及第四信息传输模块350外,较佳还包括电源电路340、标识显示灯370及存储器380。
其中该处理器330电连接其他各模块,用于控制其他各模块的作业。该电源电路340为其他各模块提供电能。较佳的该处理器330为单任务处 理器例如MCU,或者是多任务处理器,但由于其同时处理的任务较少,各种控制指令不会出现延时处理的问题。
第三信息传输模块320与便携式拍摄装置200通讯连接,该处理器330获取第三信息传输模块320接收自便携式拍摄装置200发送的辅助拍摄信息,根据辅助拍摄信息获得同步时间;第四信息传输模块350获得便携式拍摄装置200输出的辅助闪光启动指令,该处理器330根据该辅助闪光启动指令启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组310进行闪光。在本实施方式中的较佳方面,该第三信息传输模块320为有线或无线传输模块,该第四信息传输模块350为光传感器。
在本实施方式中,处理器330根据辅助拍摄信息还获得闪光参数,处理器330当计时到达该同步时间时,根据该闪光参数控制该氙气闪光灯模组310进行闪光。
氙气闪光装置300还接收便携式拍摄装置200发送的显示灯控制指令,控制该标识显示灯370执行相应的显示功能,该显示功能包括颜色、颜色变化、变化频率及明暗等显示方式。该标识显示灯为Logo显示灯。
在本实施方式中,根据辅助拍摄信息获得同步时间,有下列几种方式:辅助拍摄信息中直接包括有同步时间;或者,氙气闪光装置的存储器380中存储有拍摄参数与同步时间对应表,辅助拍摄信息为拍摄参数的标识代码,处理器330根据标识代码,从拍摄参数与同步时间对应表中获得同步时间。
在本实施方式中,根据辅助拍摄信息获得辅助闪光参数,有下列几种方式:辅助拍摄信息中直接包括有辅助闪光参数;或者,氙气闪光装置的存储器380中存储有拍摄参数与闪光参数对应表,辅助拍摄信息为拍摄参数的标识代码,处理器330根据标识代码,从拍摄参数与同步时间对应表中获得同步时间。
需要说明的是,本实施方式中的拍摄参数可以为初始拍摄参数或调整后拍摄参数。
参阅图5所示,为本发明氙气闪光装置执行辅助闪光的较佳流程示意图。
通过第三信息传输模块320接收便携式拍摄装置200发送的辅助拍摄信息,获得同步时间(步骤S520)。根据前面的描述,同步时间及闪光参数是在辅助拍摄信息直接包括有;而另一种方式是,辅助拍摄信息为拍摄参数的标识代码,氙气闪光装置的存储器380中存储有辅助拍摄参数对应表,处理器330根据标识代码,从辅助拍摄参数对应表中获得同步时间。
处理器330通过第四信息传输模块获得便携式拍摄装置200输出的辅助闪光启动指令(步骤S530)。
处理器330根据该辅助闪光启动指令,启动计时(步骤S540);该处理器330根据该同步时间判断计时是否达到该同步时间(步骤S550)。当判断结果为否时,处理器330继续计时;而当计时达到同步时间时,处理器330控制氙气闪光灯模组310闪光(步骤S560)。
较佳的,在步骤S520中,辅助拍摄信息中还包括有闪光参数;或者是,辅助拍摄信息为拍摄参数的标识代码,氙气闪光装置的存储器380中存储有拍摄参数与闪光参数对应表,处理器330根据标识代码,从拍摄参数与闪光参数对应表获得闪光参数。该步骤S560根据该闪光参数控制该氙气闪光灯模组310闪光,以达到更好的拍照效果。
进一步还包括步骤:氙气闪光装置300还接收便携式拍摄装置200发送的显示灯控制指令,控制该标识显示灯370执行相应的显示功能,该显示功能包括颜色、颜色变化、变化频率及明暗等显示方式。该标识显示灯为Logo显示灯。
参阅图6所示,为本发明实施方式的拍摄控制装置模块示意图。该拍摄控制装置250包括有:
拍摄参数获取模块251,用于在外接氙气闪光拍摄模式下,获取初始拍摄参数,并利用预定规则进行演算获得调整后拍摄参数。
在本实施方式中,获得初始拍摄参数可以有很多种方式,例如:用户手动设定;或者,拍摄参数获取模块251通过操作系统260向摄像头模组210发出对焦/环境测光指令,获得摄像头模组210反馈的初始拍摄参数;获得摄像头模组210反馈的初始拍摄参数提供给用户进行调整,获得最终的初始拍摄参数。所述初始拍摄参数包括但不限于快门值、ISO值及白平衡值等。在本发明的较佳实施方式中,由于便携式拍摄装置的闪光灯被氙气闪光装置的光传感器给贴盖住,那么拍摄参数获取模块251发出对焦/环境测光指令时,可通过各种传输方式向氙气闪光装置发送辅助对焦测光指令,通过氙气闪光装置开启其上面的LED灯开辅助对焦/环境测光。
辅助拍摄信息产生模块252,用于根据拍摄参数产生辅助拍摄信息,该操作系统260通过该第一信息传输模块220输出该辅助拍摄信息。
拍摄指令产生模块253,根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令。在本实施方式中,该操作系统260通过该第二信息传输模块240输出该辅助闪光启动指令。在本实施方式中,该连拍指令包括但不限于HDR 式连续拍摄指令。进一步,该拍摄指令产生模块253还用于在产生至少一组连拍指令或视频拍摄指令之前判断便携式拍摄装置200是否处于锁焦状态,如果是则产生该至少一组连拍指令或视频拍摄指令。
照片获取模块254,根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得其中一张照片作为本次拍摄照片。
在本实施方式的较佳方面,该拍摄控制装置250还包括有:通讯连接模块255,用于通过通讯传输模块240与氙气闪光装置300建立通讯连接。具体为拍摄控制装置300根据用户的操作,获得可建立通讯接连的氙气闪光装置300,或是接收到氙气闪光装置300发送的建立通讯连接请求,产生建立通讯连接指令,将该通讯连接指令发送给该操作系统260,该操作系统260通过通讯传输模块240与氙气闪光装置300建立通讯连接。可以理解该便携式拍摄装置200可以通过第一信息传输模块220与该氙气闪光装置300的第三信息传输模块320建立通讯连接,亦可以通过其他通讯模块与该氙气闪光装置300建立通讯连接。
拍摄模式确定模块256,用于确定该便携式拍摄装置进入外接氙气闪光灯拍摄模式。在本实施方式中,进入外接氙气闪光灯拍摄模式可以有多种方式,例如拍摄控制装置的使用者图形界面上直接设置有该外接氙气闪光灯拍摄模式的标识,用户点击该标识,即进入该外接氙气闪光灯拍摄模式;或者,在接收到拍摄指令时(为了后续描述的方便,这里的拍摄指令可以是拍摄准备指令),判断该便携式拍摄装置200是否通讯连接有氙气闪光装置300,如果有,则进入外接氙气闪光灯拍摄模式;而如果没有,则采取普通的拍摄模式。
辅助镜片确认模块257,用于根据初始拍摄参数及预设规则,判断是否加载辅助镜片,并在需要加载辅助镜头时,产生并显示提示要加载的辅助镜片规格。该辅助镜片包括但不限于下列的至少一种,减光镜、滤光镜、柔光镜片、散光镜片。并当接收到用户确定的操作指令后,产生该辅助拍摄信息。
显示灯控制模块258,用于产生显示灯控制指令,发送该显示灯控制指令给氙气闪光装置300。
参阅图7所示,为本发明氙气闪光装置的辅助闪光控制装置的模块示意图。该辅助闪光控制装置700为可程序化装置,其运行于氙气闪光装置300的处理器330。其包括有:
参数获取模块720,用于通过第三信息传输模块320获取便携式拍摄装置200发送的辅助拍摄信息,获得同步时间。根据前面的描述,同步时间 直接包括在辅助拍摄信息中;而另一种方式是,辅助拍摄信息为拍摄参数的标识代码,氙气闪光装置的存储器380中存储有辅助拍摄参数对应表,参数获取模块720根据标识代码,从辅助拍摄参数对应表中获得同步时间。
闪光控制模块740,用于通过第四信息传输模块获得辅助闪光启动指令,启动计时,根据该同步时间判断计时是否达到该同步时间,当判断结果为否时,继续计时;而当计时达到同步时间时,控制氙气闪光灯模组310闪光。较佳的,该第四信息传输模块为光传感器,其电连接该处理器330,该闪光控制模块740用于根据该光传感器的光感应信息获得辅助闪光启动指令。
较佳的,辅助拍摄信息中还包括有辅助闪光参数;或者是,辅助拍摄信息为拍摄参数的标识代码,氙气闪光装置的存储器380所存储的辅助拍摄参数对应表还定义有拍摄参数与辅助闪光参数的对应关系,参数获取模块720还用于根据标识代码,从辅助拍摄参数对应表获得辅助闪光参数。闪光控制模块740还用于根据该辅助闪光参数控制该氙气闪光灯模组310闪光,以达到更好的拍照效果。
进一步,该辅助闪光控制装置700还包括有标识显示模块760,用于根据便携式拍摄装置200发送的显示灯控制指令,控制该标识显示灯370执行相应的标识显示功能,该标识显示功能包括颜色、颜色变化、变化频率及明暗等显示方式。该标识显示灯为Logo显示灯。
在本实施方式的较佳方面,该辅助闪光控制装置700还包括通讯建立模块780,用于建立与便携式拍摄装置200的通讯连接。可以理解该氙气闪光装置300可以通过第三信息传输模块320与便携式拍摄装置200的第一信息传输模块220建立通讯连接,亦可以通过其他通讯模块与该便携式拍摄装置200建立通讯连接。
在本实施方式的较佳方面,该氙气闪光装置300还包括有一LED灯,该辅助闪光控制装置700还包括辅助对焦测光模块790,用于通过各种传输方式获得该便携式拍摄装置200发出的辅助对焦测光指令,控制开启该氙气闪光装置300上的LED灯开启,开启该LED灯的目的在于辅助对焦/环境测光。可以理解,各种传输方式可以是该氙气闪光装置300的第三信息传输模块320或其他通讯模块。
需要说明的是拍摄控制装置250与辅助闪光控制装置700联合构成辅助闪光拍摄系统。
本发明实施例所提供的装置,其实现原理及产生的技术效果和前述方法实施例相同,为简要描述,装置实施例部分未提及之处,可参考前述方法实施例中相应内容。
附图中的流程图和框图显示了根据本发明的多个实施例的系统、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上,流程图或框图中的每个方框可以代表一个模块、程序段或代码的一部分,该模块、程序段或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意,在有些作为替换的实现中,方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如,两个连续的方框实际上可以基本并行地执行,它们有时也可以按相反的顺序执行,这依所涉及的功能而定。也要注意的是,框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合,可以用执行规定的功能或动作的专用的基于硬件的系统来实现,或者可以用专用硬件与计算机指令的组合来实现。
在本申请所提供的几个实施例中,应该理解到,所揭露的方法、系统和装置,可以通过其它的方式实现。以上所描述的装置实施例仅仅是示意性的,例如,该模块的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,又例如,多个模块或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些通信接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
以上所述仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。

Claims (20)

  1. 一种拍摄系统,包括有一便携式拍摄装置及氙气闪光装置,该便携式拍摄装置包括有:摄像头模组及中央处理器,该氙气闪光装置包括有氙气闪光灯模组及处理器、其特征在于:
    该便携式拍摄装置还包括有一第一信息传输模块及一第二信息传输模块,该氙气闪光装置包括有一第三信息传输模块及一第四信息传输模块,该第一信息传输模块与该第三信息传输模块相匹配,该第二信息传输模块与该第四信息传输模块相匹配;
    该便携式拍摄装置的中央处理器获取初始拍摄参数,根据该初始拍摄参数进行演算获得调整后拍摄参数,产生一辅助拍摄信息,通过该第一信息传输模块输出该辅助拍摄信息;根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令;通过该第二信息传输模块输出该辅助闪光启动指令;根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得拍摄的照片;
    该氙气闪光装置的处理器通过该第三信息传输模块获得该辅助拍摄信息,根据辅助拍摄信息获得同步时间;该处理器还通过该第四信息传输模块获得辅助闪光启动指令,启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组进行闪光。
  2. 如权利要求1所述的拍摄系统,其特征在于,该第一信息传输模块及该第三信息传输模块为有线、无线、闪光或声音传输模块中的一种;该第二信息传输模块及该第四信息传输模块为有线、无线、闪光或声音中的一种。
  3. 如权利要求1所述的拍摄系统,其特征在于,该便携式拍摄装置的中央处理器用于控制摄像头模组进行对焦/环境测光作业,获得控制摄像头模组反馈的该初始拍摄参数。
  4. 如权利要求1所述的拍摄系统,其特征在于,该便携式拍摄装置的中央处理器产生至少一组连拍指令或视频拍摄指令,产生该至少一组连拍指令或视频拍摄指令是在该便携式拍摄装置处于锁焦状态下产生。
  5. 如权利要求1所述的拍摄系统,其特征在于,该便携式拍摄装置存储有辅助拍摄参数对应表,中央处理单元根据调整后拍摄参数或初始拍摄参数查询该对应表,获得相应的辅助拍摄参数,前述的辅助拍摄信息为同 步时间及辅助闪光参数,该处理器还根据该辅助闪光参数控制该氙气闪光灯模组进行闪光。
  6. 如权利要求1所述的拍摄系统,其特征在于,氙气闪光装置的存储器中存储有辅助拍摄参数对应表,辅助拍摄信息为调整后拍摄参数或初始拍摄参数的标识代码,处理器根据标识代码,从辅助拍摄参数对应表中获得同步时间及辅助闪光参数,该处理器还根据该辅助闪光参数控制该氙气闪光灯模组进行闪光。
  7. 一种氙气闪光装置,其包括有氙气闪光灯模组及处理器,其特征在于,该氙气闪光装置还包括有一第三信息传输模块及一第四信息传输模块;该处理器通过该第三信息传输模块获得一便携式拍摄装置发送的辅助拍摄信息,根据该辅助拍摄信息获得同步时间;该处理器还通过该第四信息传输模块获得该便携式拍摄装置发送的辅助闪光启动指令,启动计时,并当计时到达该同步时间时,控制该氙气闪光灯模组进行闪光。
  8. 如权利要求7所述的氙气闪光装置,其特征在于,该第四信息传输模块为光传感器,其电连接该处理器,该光传感器贴盖于该便携式拍摄装置的LED闪光灯。
  9. 如权利要求7所述的氙气闪光装置,其特征在于,该第三信息传输模块及该第四信息传输模块为有线、无线、闪光或声音传输模块中的一种。
  10. 如权利要求7所述的氙气闪光装置,其特征在于,氙气闪光装置还包括有一存储器,该存储器存储有辅助拍摄参数对应表,辅助拍摄信息为调整后拍摄参数或初始拍摄参数的标识代码,处理器根据标识代码,从辅助拍摄参数对应表中获得同步时间及辅助闪光参数,该处理器还根据该辅助闪光参数控制该氙气闪光灯模组进行闪光。
  11. 一种拍摄控制装置,其运行于一便携式拍摄装置,由该便携式拍摄装置的中央处理器执行,该便携式拍摄装置还包括有摄像头模组、第一信息传输模块及第二信息传输模块,其特征在于,该拍摄控制装置包括:
    拍摄参数获取模块,用于在外接氙气闪光拍摄模式下,获取初始拍摄参数,并根据该初始拍摄参数利用预定规则进行演算获得调整后拍摄参数;
    辅助拍摄信息产生模块,用于根据拍摄参数产生相应的辅助拍摄信息,该辅助拍摄信息通过该第一信息传输模块输出,该辅助拍摄信息用于一氙气闪光装置获得该调整后拍摄参数对应的同步时间;
    拍摄指令产生模块,用于根据该调整后拍摄参数产生至少一组连拍指令或视频拍摄指令,其中一组连拍指令或视频拍摄指令关联有一辅助闪光启动指令,该辅助闪光启动指令通过第二信息传输模块输出;
    照片获取模块,用于根据该至少一组连拍指令或视频拍摄指令控制该摄像头模组进行拍摄并获得其中一张照片作为本次拍摄照片。
  12. 如权利要求11所述的拍摄控制装置,其特征在于,该连拍指令为HDR式连续拍摄指令。
  13. 如权利要求11所述的拍摄控制装置,其特征在于,辅助拍摄信息为初始拍摄参数或调整后拍摄参数的标识代码,标识代码用于该氙气闪光装置获得该调整后拍摄参数对应的同步时间及辅助闪光参数。
  14. 如权利要求11所述的拍摄控制装置,其特征在于,该拍摄控制装置存储有辅助拍摄参数对应表,该辅助拍摄信息产生模块用于根据初始拍摄参数或调整后拍摄参数,查询该对应表,获得相应的辅助拍摄参数,所述辅助拍摄参数为外接氙气闪光装置完成拍摄所需的同步时间或同步时间及辅助闪光参数,该辅助拍摄信息包括有所述辅助拍摄参数。
  15. 如权利要求11所述的拍摄控制装置,其特征在于,该拍摄参数获取模块用于向该摄像头模组发出对焦/环境测光指令,及向氙气闪光装置发送辅助对焦测光指令,获得摄像头模组反馈的初始拍摄参数。
  16. 一种辅助闪光控制装置,其运行于一氙气闪光装置,该氙气闪光装置包括有第三信息传输模块、第四信息传输模块及氙气闪光灯模组,其特征在于,该辅助闪光控制装置包括:
    通讯建立模块,用于该氙气闪光装置通过通讯传输模块建立与一便携式拍摄装置的通讯连接;
    参数获取模块,用于通过第三信息传输模块获取便携式拍摄装置输出的辅助拍摄信息,获得同步时间;
    闪光控制模块,用于通过第四信息传输模块获得辅助闪光启动指令,启动计时,根据该同步时间判断计时是否达到该同步时间,当计时达到同步时间时,控制氙气闪光灯模组闪光。
  17. 如权利要求16所述的辅助闪光控制装置,其特征在于,该第四信息传输模块为光传感器,其电连接该处理器,该闪光控制模块用于根据该光传感器的光感应信息获得辅助闪光启动指令。
  18. 如权利要求16所述的辅助闪光控制装置,其特征在于,还包括有辅助对焦测光模块,用于获取该便携式拍摄装置发出的辅助对焦测光指令,控制开启该氙气闪光装置上的LED灯开启。
  19. 如权利要求16所述的辅助闪光控制装置,其特征在于,该辅助拍摄信息为初始拍摄参数或调整后拍摄参数的标识代码,该氙气闪光装置的存储器中存储有辅助拍摄参数对应表,参数获取模块用于根据该标识代码,从辅助拍摄参数对应表中获得同步时间。
  20. 如权利要求19所述的辅助闪光控制装置,其特征在于,该参数获取模块还根据该标识代码,从辅助拍摄参数对应表中获得辅助闪光参数,闪光控制模块用于根据该辅助闪光参数控制氙气闪光灯模组闪光。
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