US20070077053A1 - Imaging device, imaging method and program - Google Patents

Imaging device, imaging method and program Download PDF

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Publication number
US20070077053A1
US20070077053A1 US11/527,289 US52728906A US2007077053A1 US 20070077053 A1 US20070077053 A1 US 20070077053A1 US 52728906 A US52728906 A US 52728906A US 2007077053 A1 US2007077053 A1 US 2007077053A1
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United States
Prior art keywords
imaging
flash
light source
auxiliary light
digital camera
Prior art date
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Granted
Application number
US11/527,289
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English (en)
Inventor
Kazunori Yanagi
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Assigned to CASIO COMPUTER CO., LTD. reassignment CASIO COMPUTER CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YANAGI, KAZUNORI
Publication of US20070077053A1 publication Critical patent/US20070077053A1/en
Priority to US12/831,857 priority Critical patent/US7957637B2/en
Granted legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • 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
    • H04N23/72—Combination of two or more compensation controls
    • 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
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
    • G03B2215/0564—Combinations of cameras with electronic flash units characterised by the type of light source
    • G03B2215/0571—With second light source

Definitions

  • the present invention relates to an imaging device, an imaging method and a program particularly appropriate to a digital camera to carry out flash imaging.
  • an imaging operation for still image imaging with a flash that is an auxiliary light source emitted. Namely, when the flash is fully emitted one time for imaging, the imaging operation is controlled so as to disable the next flash imaging until a charged state of a large-capacity capacitor to emit the flash reaches an emission allowable amount after the preceding flash imaging.
  • this patent applicant proposes the following technique. Aiming at imaging an object in an appropriate luminance while reducing an affect on a battery life as much as possible, if a shutter speed to be set is slower than 1/60 second, the technique corresponds to the luminance of the object without emitting the flash with photographic sensitivity increasing. On the contrary, if the shutter speed is slower than 1/60 second although the ISO sensitivity has been maximized, the technique determines to carry out a flash emission and also determines the sensitivity.
  • the technique lowers the sensitivity to terminate processing according to processing flow at the time of half-depression of a shutter button when the reach distance of the flash becomes not excessive to an object distance then determines the sensitivity (for instance, patent document 1: Jpn. Pat. Appln. KOKAI Publication No. 2005-204120).
  • the technique has been described in the aforementioned patent document 1 suppresses the consumption of the battery by suppressing emission driving of a flash in the case in which the technique can correspond to a luminance intensity of the object with sensitivity up to a settable maximum sensitivity.
  • the technique still dose not solve a defect such that there is every possibility of taking a time to charge the flash and missing a photo opportunity.
  • An object of the present invention is to provide an imaging device, an imaging method and a program capable of performing imaging without missing a photo opportunity.
  • An imaging device includes imaging means for imaging an object, an auxiliary light source which synchronizes with imaging by the imaging device to emit a flash having not less than prescribed luminance in a sate not less than a prescribed charged state by power to be charged, determining means for determining a charging amount from a charged state of the auxiliary light source, and image control means for performing imaging by using the auxiliary light source with imaging sensitivity of the imaging means increased in response to the charging amount in imaging by the imaging means.
  • An imaging method of an imaging device equipped with an imaging unit which images an object, and an auxiliary light source which synchronizes with imaging by the imaging unit to emit a flash having not less than prescribed luminance in a sate not less than a prescribed charged state by power to be charged, the imaging method includes a determining step of determining a charging amount from the charged state of the auxiliary light source, and an imaging control step of increasing imaging sensitivity of the imaging unit in response to the charging amount to perform imaging by using the auxiliary light source in imaging by the imaging unit.
  • a program to be executed on a computer built in an imaging device equipped with an imaging unit which images an object, and an auxiliary light source which synchronizes with imaging by the imaging unit to emit a flash having not less than prescribed luminance and at not less than a prescribed charged state by power to be charged, the program includes a determining step of determining a charging amount from the charged state of the auxiliary light source, and an imaging control step of increasing imaging sensitivity of the imaging unit in response to the charging amount to perform imaging by using the auxiliary light source in imaging by the imaging unit.
  • FIG. 1 is an exemplary block diagram illustrating a functional configuration of an electronic circuit of a digital camera regarding a first embodiment of the present invention
  • FIG. 2 is an exemplary flowchart illustrating a processing content in imaging mode regarding the first embodiment
  • FIG. 3 is an exemplary view exemplifying a charging property of a large-capacity capacitor for a flash regarding the first embodiment
  • FIG. 4 is an exemplary view exemplifying a content of a look-up table defining a presence or absence of a flash emission and ISO sensitivity corresponding to an amount of stored electric power regarding the first embodiment
  • FIG. 5 is an exemplary flowchart illustrating a processing content in an imaging mode of a digital camera regarding a second embodiment of the present embodiment
  • FIG. 6 is an exemplary view exemplifying a content of a look-up table defining a presence or absence of a flash emission, ISO sensitivity and a shutter speed (S value) corresponding to an amount of stored electric power regarding the second embodiment;
  • FIG. 7 is an exemplary flowchart illustrating a processing content in an imaging mode of a digital camera regarding a third embodiment of the present invention.
  • FIG. 8 is an exemplary view exemplifying a content of a look-up table defining ISO sensitivity corresponding to an amount of stored electric power and an object distance regarding the third embodiment.
  • FIG. 1 shows a conceptual configuration of an electronic circuit of a digital camera 10 .
  • positions of a part of lenses in an imaging lens optical system 12 are arbitrarily moved by means of driving of a motor (M) 11 .
  • a charge-coupled device (CCD) 13 that is a solid imaging device is disposed at an imaging position at the rear of the imaging axis of the optical system 12 thorough a not shown mechanical shutter.
  • the CCD 13 is scanning-driven by a timing generator (TG) 14 and a CCD driver 15 to output a photo-electrically converted output by one screen corresponding to an optical image formed for each fixed period.
  • TG timing generator
  • CCD driver 15 to output a photo-electrically converted output by one screen corresponding to an optical image formed for each fixed period.
  • An auto gain control/sample hold (AGC/SH) circuit 16 sample-holds the photo-electrically converted output for each three fundamental color of RGB in a state of signals of analog values after gain-adjusting in response to the ISO sensitivity set at that time point to transmit it to an ANALOG-TO-DIGITAL converter 17 .
  • the ANALOG-TO-DIGITAL converter 17 converts image data of a hole into digital data in accordance with an image size and an image quality set at that time point to output it to a color processing unit 18 .
  • the color processing unit 18 performs a color process processing including a pixel interpolation processing and a ⁇ interpolation processing to digital pixel data and generates a brightness signal Y and color difference signals Cb and Cr of digital values to output them to a direct memory access (DMA) controller 19 .
  • DMA direct memory access
  • the DMA controller 19 writes in the brightness signal Y and the color difference signals Cb and Cr output from the color processing unit 18 into a buffer inside the DMA controller 19 once by using a composite synchronous signal, a memory writing enable signal and a clock signal similarly output from the process circuit 18 to conduct DMA transfer to a DRAM 21 used as a buffer memory via a DRAM interface 20 .
  • a control unit 22 is composed of a CPU, a nonvolatile memory such as a flash memory with an operation program, including a flash emission and enhancement of sensitivity in the below-mentioned time of imaging, fixedly stored therein and a RAM used as a work memory.
  • the control unit 22 controls a control operation of the whole of the digital camera 10 .
  • the operation program executed by the control unit 22 includes a determining means 221 and an image control means 222 .
  • the control unit 22 After completing the DMA transfer of the brightness signal Y and the color difference signals Cb and Cr to the DRAM 21 , the control unit 22 reads out them from the DRM 21 via the DRAM interface 20 to writes in them in a VRAM 24 through a VRAM controller 23 .
  • a digital video encoder 25 periodically reads out the brightness signal Y and the color difference signals Cb and Cr from the VRAM 24 through the VRAM controller 23 and generates a video signal on the basis of such data to output it to a display unit 26 .
  • the display unit 26 consists of, for instance, a color liquid crystal panel with a backlight and its driving circuit disposed on the housing rear face of the digital camera 10 .
  • the imaging mode it functions as an electronic finder, and reproduction-displays selected image, etc., at the time of a reproduction mode while monitor-displaying in real time an image based on image information already taken from the video encoder 25 at that time point with a display based on the video signal from the video encoder 25 displaying.
  • the control unit 22 stops the DMA transfer of the brightness signal Y and the color difference signals Cb and Cr by one screen taken from the CCD 13 at that time point in response to the trigger signal to the DRAM 21 .
  • the control unit 22 newly drives the mechanical shutter (not shown) and the CCD 13 at a shutter speed in accordance with appropriate exposure conditions to obtain a start-up signal and a color difference signal by one screen.
  • the control unit 22 transfers them to the DRAM 21 , then after this, stops the path to transit to a storage state.
  • the control unit 22 reads out the brightness signal Y and the color difference signal Cb and Cr by one frame written in the DRAM 21 in units referred to as basic blocks of height 8-pixel by width 8-pixel for each component of Y, Cb and Cr via the DRAM interface 20 to write in them in a joint photograph coding experts group (JPEG) circuit 28 .
  • the JPEG circuit 28 encodes them by means of a data compression processing such as an adaptive discrete cosine transform (ADCT) and a Huffman coding that is an entropy coding method.
  • ADCT adaptive discrete cosine transform
  • Huffman coding that is an entropy coding method.
  • the control unit 22 then reads out the obtained coded data as a data file by one image from the JPAG circuit 28 and writes in it in a built-in memory 29 that is a storage medium of the digital camera 10 or in a memory card 30 detachably mounted on the digital camera 10 .
  • control unit 22 starts up again the path from the CCD 13 to the DRAM 21 .
  • the memory car 30 takes a priority over the built-in memory 29 and the memory card 30 , and writes and reads out a variety of items of data from image data of a still image down. That is, in a state in which the memory card 30 has been removed from the digital camera 10 and is not present, the digital camera 10 writes in and/or reads out the data to and from the built-in memory 29 , and otherwise, in the state in which the memory card 30 is mounted thereon, it writes in and/or reads out the data to and from the memory card 30 .
  • the key input unit 27 , a sound processing unit 31 and a flash driving unit 32 are connected to the connecting unit 22 .
  • the key input unit 27 is composed of a power source key, zoom key, imaging mode key, reproduction mode key, cursor key, set key, menu key, macro key, flash key, etc., in addition to the aforementioned shutter button, and signals with those key operations are transmitted to a direct control unit 22 .
  • the sound processing unit 31 has a sound source circuit such as a PCM sound source to digitize a sound signal input from a microphone unit (MIC) 33 disposed on the front face of the housing body of the digital camera 10 in recording the sound.
  • the processing unit 31 generates a sound data file with data compressing in accordance with a predetermined data file form, for instance, the moving picture coding experts group-1 audio layer 3 (MP3) standards, and outputs it to the built-in memory 29 or memory card 30 .
  • MP3 moving picture coding experts group-1 audio layer 3
  • the digital camera 10 decompresses the sound data file read out from the built-in memory 29 or the memory card 30 to analog-convert it and drives a loudspeaker unit (SP) 34 disposed on the rear face side of the digital camera 10 , in the same manner as the display unit 26 is disposed, to amplify and output it.
  • SP loudspeaker unit
  • the flash driving unit 32 charges the not shown large-capacity capacitor for the flash in imaging the still image, then, flash-drives a flash emitting unit 35 composed of a xenon discharge lamp, etc., on the basis of the control from the control unit 22 .
  • the control unit 22 starts to continuously execute a series of operations for obtaining the still image data to compress it by means of the JPEG circuit 28 and storing it in the built-in memory 29 or the memory card 30 at an appropriate frame rate, for example, 30 frame/sec.
  • the digital camera 10 integrates the series of the still image data files to reset them as a data file of a motion JPEG (AVI file).
  • the control unit 22 selectively reads out the image data stored in the built-in memory 29 or the memory card 30 , the JPEG circuit 28 expands the image data compressed through the absolutely opposed procedure to the procedure of the data compression in the imaging mode to store the expanded image data on the DRAM 21 via the DRAM interface 20 .
  • the control unit 22 then stores the content stored in the DRAM 21 onto the VRAM 24 via the VRAM controller 23 .
  • the encoder 25 reads out the image data periodically from the VRAM 24 to generate the video signal then reproduces it on the display unit 26 .
  • the control unit 22 continuously executes the reproduction of each still image data consisting of the selected motion image file in prescribed frames in terms of time. At the time when the reproduction of the last still image data is completed, the control unit 22 performs a reproduction-display by using only the still image data positioned at a top until an instruction for the next reproduction will be issued.
  • the shutter button has an operation stroke of two stages to execute an imaging operation based on operation logic as follows. Namely, as a first stage, the digital camera 10 executes an operation up to a half extent of a full stroke and a automatic focusing (AF) processing and an automatic exposure (AE) processing in an operation state generally referred to as the half-depression of the shutter button to lock each processing value. And after this, as a second stage, it executes regular imaging depending on the AF value and AE value in an operation state of the full stroke, generally referred to as full-depression of the shutter button.
  • AF automatic focusing
  • AE automatic exposure
  • FIG. 2 shows a content of a processing executed in the case in which the digital camera 10 images the still image in the imaging mode, and the processing is basically executed on the basis of the control by the determining means 221 and photographing control means 222 of the control unit 22 .
  • the digital camera 10 executes the simple AF processing and AE processing so as not to exceed the prescribed frame rate, for instance, the rate of 30 frames per second, at the point of time to continuously drives the CCD 13 at a quick shutter speed in consideration of the frame rate. So that the digital camera 10 stands ready for the shutter button to be brought into the half-depression state by repeatedly executing the following processing. Namely, the digital camera determines whether or not the shutter button of the key input unit 27 is brought into the half-depression operation (step S 02 ) while maintaining a state of a through image display of displaying the content imaged by the CCD 13 onto the display unit 26 (step S 01 ).
  • the digital camera 10 determines the fact of half-depression of the shutter button in step S 02 , and then, moves the focus lens in the imaging lens optical system 12 so as to focus on an image center obtained at the point of that time to lock up the lens (AF lock).
  • the digital camera 10 notifies the execution of the AF lock to the user by amplifying and outputting an electronic sound such as “peep” through a loudspeaker unit 34 (step S 03 ).
  • the digital camera 10 obtains an appropriate exposure value from a state in which the automatically focused position is locked and sets an aperture value and a shutter speed from the exposure value to temporarily lock them (step S 04 ). Further, the digital camera 10 repeatedly determines whether or not the shutter button has been fully depressed (step S 05 ), or it has been still in the half-depressed state or not (step S 06 ). As the determination results, the digital camera 10 stands ready until the shutter will be fully depressed or the state of a half-depression state thereof will be released, while locking each state of the AF and AE.
  • the charging for the capacitor is not limited to the case in which it is conducted at the timing of the AE temporal lock (step S 04 ), it may be conducted at the timing of switch over to the imaging mode or after the flash emission, for instance, so as to forcedly emit the flash.
  • the digital camera 10 After releasing the half-depression operation of the shutter button, the digital camera 10 determines the fact in step S 06 , determines that it has not gotten to the regular imaging then returns to the processing on and after step S 01 again.
  • step S 05 determines whether or not the emission from the flash emitting unit 35 is required from the AE value locked in the right before step S 04 (step S 07 ).
  • the digital camera 10 directly executes imaging in accordance with the AF value and the AE value which have been locked in the steps S 03 and S 04 without having to emit from the flash emitting unit 35 (step S 08 ). After quickly recording the image data obtained through the imaging onto the built-in memory 29 or the memory card 30 followed by compressing that image data (step S 09 ), the digital camera 10 returns to the processing on and after step S 01 to prepare for the next imaging.
  • the flash driving unit 32 checks the charged state onto the capacitor (not shown) for the emission from the flash emitting unit 35 at that time point to output the information showing the checking result to the control unit 22 (step S 10 ).
  • FIG. 3 exemplifies a charging property to the capacitor from the flash driving unit 32 to flash-drive the flash emitting unit 35 .
  • it is supposed that it becomes possible to flash-drive the flash emitting unit 35 when an applied voltage to the xenon discharge tube composing of the flash emitting unit 35 due to the electric charge amount charged in the capacitor is 220V or more. Also it is supposed that the getting to 330V causes full charging up to an upper limit value then the charged state is maintained.
  • step S 11 it is determined whether or not the charged state is enough for the flash form the flash emitting unit 35 , here, whether or not the applied voltage is 220V or more (step S 11 ).
  • the digital camera 10 sets an ISO sensitivity in response to the charged state at the time of the checking, more specifically, sets an amplification rate to the image signal with the analog value in the AGC/SH circuit 16 (step S 12 ), then, it performs the imaging by making the flash emitting unit 35 emit with the light amount possible to be emitted at that time point (step S 13 ).
  • FIG. 4 exemplifies the content in the look-up table to which the control unit 22 refers at that time, and in the case where the voltage of the capacitor is set in a range of 200 to 330V; it controls to set the ISO sensitivities in a rage of 1,600-50 step by step to perform the imaging.
  • the digital camera 10 then makes the flash emitting unit 35 emit with the light amount possible to be emitted at that time point in step S 13 , and after quickly recording the image data obtained by the imaging onto the built-in memory 29 or the memory card 30 followed by compressing the image data (step S 09 ), then, it returns to the processing on and after step S 01 in order to prepare the next imaging.
  • step S 11 If it is determined that the charged state of the capacitor by means of the flash driving unit 32 in step S 11 is the state in which the flash emitting unit 35 is disabled to emit, here, it is determined that the applied voltage is lower than 220V, the control unit 22 sets the ISO sensitivity to a maximum value (wherein, 1,600V as shown in FIG. 4 ) (step S 14 ) then the digital camera 10 conducts the imaging without the emission from the flash emitting unit 35 (step S 15 ).
  • step S 09 after quickly recording the image data obtained through the imaging onto the built-in memory 29 or the memory card 30 with the image data compressed (step S 09 ), the digital camera 10 returns to the processing on and after step S 01 to get itself ready for the next imaging.
  • the digital camera 10 determines the state. The digital camera 10 then quickly sets so as to enhance the ISO sensitivity, and it can shift to the imaging operation accompanied by the emission through the flash emitting unit 35 . So that, the digital camera 10 can shift to immediate imaging after operating the shutter button without taking time to charge the flash, and becomes possible to execute imaging without missing any shutter opportunity.
  • the digital camera 10 sets the ISO sensitivity to the maximum value then shifts to the imaging operation without a flash emission, so that it can image without missing the shutter opportunity despite the fact that the obtained image is affected by noise.
  • the imaging lens optical system 12 or the CCD 13 has a function of a camera-shake correcting of images due to a hand movement, more specifically, a method for displacing an imaging light axis of the optical system 12 , or a method for moving an imaging range in an imaging region of the CCD 13 , and the like.
  • the digital camera 10 may image sharp image data with an affect of the camera-shake of the images due to the hand movement avoiding.
  • the shutter has the operation stroke of two stages and executes imaging operations based on the operation logic as follows. That is, as the first stage, the operation to the half extent of the full-stroke, which locks each processed value by executing the AF processing and the AE processing in the operation state generally referred to as the half depression; and after this, the full-stroke operation as the second stage, which executes regular imaging based on the AF value and the AE value in the operation state generally referred to as the full-depression.
  • FIG. 5 illustrates a content of a processing executed in the case of imaging of a still image in an imaging mode, and the processing is basically executed on the basis of the control by the determining means 221 and the image control means 222 of the control unit 22 .
  • the digital camera 10 stands ready for becoming the state of the half-depression of the shutter button with repeated executions of the processing such that determining whether or not the shutter button of the key input unit 27 has been operated with the half-depression (step S 22 ), while maintaining a state of a through image display displaying the content imaged by the CCD 13 on the display unit 26 , by executing such simple AF processing and AE processing that fall with a prescribed frame rate, for instance, 30 frame/sec at that point of time, and by continuously driving the CCD 13 at a high shutter speed with taking account of the frame rate (step S 21 ).
  • a prescribed frame rate for instance, 30 frame/sec at that point of time
  • step S 22 it is determined the fact of the half-depression operation of the shutter button, the digital camera 10 moves the focus lens in the imaging lens optical system 12 so as to focus on the center of the image obtained at that point of time to lock the lens (AF lock).
  • the digital camera 10 notifies the execution of the AF lock to the user by, for example, amplifying and outputting the electric sound like a “peep” sound through the loudspeaker unit 34 (step S 23 ).
  • the digital camera 10 obtains the appropriate exposure value from the state of locking of the automatically focused position and further sets the aperture value and shutter speed from the exposure value to temporarily lock them (step S 24 ).
  • the digital camera 10 then stands ready for the shutter button to be full-depression operated or for the state of half-depression operation to be released while locking each state of the AF and AE by repeatedly determining whether the shutter button is further full-depression operated or not (step S 25 ), and whether the half-depression operation sill maintained or not (step S 26 ).
  • step S 24 If the emission from the flash emitting unit 35 is required from the AE value temporarily locked in step S 24 , the flash driving unit 32 immediately starts the charging to the capacitor (not shown).
  • the charging to the capacitor may be performed at the timing of the AE tentative locking (step S 24 ), it may be performed at timing of changeover to the imaging mode or after the emission the flash, for instance, so as to forcibly emit the flash.
  • step S 26 determines that it has not gotten to the regular imaging, and returns to the processing on and after step S 21 again.
  • the digital camera 10 determines the fact in step S 25 , then, it determines whether or not the emission by the flash emitting unit 35 is required from the AE value locked in the right before step S 24 (step S 27 ).
  • the digital camera 10 performs imaging in accordance with the AF value and the AE value locked in the steps S 23 and S 24 , respectively, without the emission from the flash emitting unit 35 with leaving the outside light as it is (step S 28 ).
  • the digital camera 10 then returns to the processing on and after step S 21 to prepare the coming imaging after quickly recording the image data obtained through the imaging onto the built-in memory 29 or the memory card 30 followed by compressing the image data (step S 29 ).
  • the flash driving unit 32 checks the charged state to the capacitor (not shown) to emit the flash emitting unit 35 at that point of time to output the information showing the checking result to the control unit 22 (step S 30 ).
  • FIG. 3 exemplifies a charging property to the capacitor by the flash driving unit 32 for flash-driving the flash emitting unit 35 .
  • the flash driving unit 32 for flash-driving the flash emitting unit 35 it is presumed that it becomes possible to flash-drive the flash emitting unit 35 in the case in which the applied voltage to the xenon discharge tube composing the flash emitting unit 35 is not lower than 220V due to the electric charge amount charged to the capacitor, and also that the capacitor will be fully charged up to the upper limit value to maintain the charged state in the case in which the applied voltage reaches 330V.
  • step S 31 As the checking result of the charged state of the capacitor at that point of time, it is determined whether or not the charged state is possible to emit the flash emitting unit 35 , here; it is determined whether the applied voltage is not lower than 220V or not (step S 31 ).
  • the flash emitting unit 35 determines that it enables its emission, in addition to set the ISO sensitivity in response to the charged state at that point of time when the check is performed, particularly to set the amplification rate to the image signal with the analog value in the AGC/SH circuit 16 and the shutter speed if necessary (step S 32 ), the digital camera 10 makes the flash emitting unit 35 emit light with the light amount possible to be emitted at that point of time to perform the imaging (step S 33 ).
  • the digital camera 10 may make the flash emitting unit 35 emit light with the light amount possible to be emitted at that point of time without setting the ISO sensitivity to execute the imaging.
  • the digital camera 10 may not determine whether the flash emitting unit 35 is in the sate of the possibility of its emission but may determine that the capacitor is fully charged or not.
  • FIG. 6 exemplifies the content of the look-up table referred by the control unit 22 in such case, and in the case of the applied voltage to the capacitor is in the rage of 220 to 330V, the digital camera 10 sets the ISO sensitivities step by step in the range of 1,600 to 50. In the case of the applied voltage to the capacitor is further higher range of 290 to 330V, the digital camera 10 sets the shutter speeds step by step in a range of 1/15 sec to 1/60 sec to perform the imaging.
  • step S 33 when emitting the flash emitting unit 35 with the light amount possible to be flashed at that point of time to perform the imaging, after quickly recording the image data obtained by the imaging on the built-in memory 29 or the memory card 30 followed by the compressing the image data (step S 29 ), the digital camera 10 returns to the processing on and after step S 21 to prepare for the next imaging.
  • step S 31 if it is determined that the charged state of the capacitor by the flash driving unit 32 is the state disabling the flash emitting unit 35 to be flashed, wherein if it is determined that the applied voltage is not higher than 220V, after automatically turning on the camera-shake correcting mode of the images due to the hand movement by the optical system 12 or the CCD 13 (step S 34 ), the digital camera 10 sets the ISO sensitivity to the maximum value (wherein, 1,600 as shown in FIG. 6 ). Further, the digital camera 10 sets the shutter speed (S value) based on the appropriate exposure at the ISO sensitivity value (step S 35 ), then, it conducts the imaging without emitting the flash emitting unit 35 (step S 36 ).
  • step S 29 Successively, after recording quickly the image data obtained by the photographing onto the built-in memory 29 or the memory card 30 followed by compressing the image data (step S 29 ), the digital camera 10 returns to the processing on and after step S 01 to prepare for the next imaging.
  • the flash emitting unit 35 that is the auxiliary light source cannot be emitted, it becomes possible to surely image with avoiding the camera-shake of the images due to the hand movement even in imaging by shuttering at a low speed without the flash emission. Further, this assured imaging can be conducted by automatically setting the camera-shake correcting mode of the images due to the hand movement and by setting the shutter speed to obtain the appropriate exposure in addition to the setting of the ISO sensitivity at the maximum value.
  • the digital camera 10 determines all the determinations of the possibility of the emission of the flash corresponding to the charged state and the setting of the ISO sensitivity and of the shutter speed in a part of the range by referring to the look-up table stored on the nonvolatile memory in the control unit 22 together with the operation program.
  • the shutter has the operation stroke of two stages and executes imaging operations based on the operation logic as follows. That is, as the first stage, the operation to the half extent of the full-stroke, which locks each processed value by executing the AF processing and the AE processing in the operation state generally referred to as the half depression; and after this, the full-stroke operation as the second stage, which executes regular imaging based on the AF value and the AE value in the operation state generally referred to as the full-depression.
  • an effective imaging distance to an object is set to, for instance, 10 m as maximum and when imaging the object placed in a range of 10 m to an infinitum distance, a reflective light amount enough to image and an effect resulted from the flash emission are not expected, so that the imaging by using the flash emitting unit 35 is not performed.
  • FIG. 7 shows a content of a processing in the case of imaging a still image in an imaging mode, and this processing is implemented on the basis of the control through the determining means 221 and photographing control means 222 of the control unit 22 .
  • the digital camera 10 stands ready for bringing about the state of the half-depression of the shutter, while maintaining a state of a through image display displaying the content imaged by the CCD 13 on the display unit 26 , by firstly repeating executions of a simple AF processing and AE processing that fall with a prescribed frame rate, for instance, 30 frame/sec at that point of time to continuously drive the CCD 13 at a high shutter speed with taking account of the frame rate (step S 41 ). Further, the digital camera 10 stands ready for the state of the half-depression by repeatedly executing the processing, in which the control unit 22 determines whether or not the shutter button has been operated with the half-depression (step S 42 ).
  • step S 42 the control unit 22 determines the fact of the half-depression operation of the shutter button, it moves the focus lens in the imaging lens optical system 12 so as to focusing on the center of the image obtained at that point of time to lock the lens (AF lock).
  • the control unit 22 notifies the execution of the AF lock to the user by, for example, amplifying and outputting the electric sound like a “peep” sound through the loudspeaker unit 34 (step S 43 ).
  • control unit 22 obtains the appropriate exposure value from the state of locking of the automatically focused position and further sets the aperture value and shutter speed from the exposure value to temporarily lock them (step S 44 ).
  • the digital camera 10 then stands ready for the shutter to be brought into full-depression operated or for the state of half-depression operation to be released while locking each state of the AF and AE by repeatedly determining whether the shutter button is further full-depression operated or not (step S 45 ), and whether the half-depression operation sill maintained or not (step S 46 ).
  • step S 44 the flash driving unit 32 immediately starts the charging to the capacitor (not shown).
  • the charging to the capacitor is not limited to be performed at the timing of the AE tentative locking (step S 44 ); it may be performed at timing of changeover to the imaging mode or after emitting the flash, for instance, so as to forcibly flash the flash.
  • step S 46 determines the fact in step S 46 , determines that it has not gotten to the regular imaging, and returns to the processing on and after step S 41 again.
  • step S 45 determines whether or not the emission by the flash emitting unit 35 is required from the AE value locked in the right before step S 44 (step S 47 ).
  • the digital camera 10 performs imaging in accordance with the AF value and AE value locked in the steps S 43 and S 44 , respectively, without the emission from the flash emitting unit 35 with leaving the outside light as it is (step S 48 ).
  • the digital camera 10 then returns to the processing on and after step S 01 to prepare the coming imaging after quickly recording the image data obtained through the imaging onto the built-in memory 29 or the memory card 30 (step S 49 ).
  • the flash driving unit 32 checks the charged state to the capacitor (not shown) to flash the flash emitting unit 35 at that point of time and outputs the information showing the checking result to the control unit 22 (step S 50 ).
  • FIG. 3 exemplifies a charging property to the capacitor by the flash driving unit 32 for flash-driving the flash emitting unit 35 .
  • the flash driving unit 32 for flash-driving the flash emitting unit 35 .
  • step S 51 it is determined whether or not the distance from the AF value locked in the right before step S 43 to the object is within a range in which an effect caused from the flash emission is not expected (10 m to infinitum distance) (step S 51 ).
  • the digital camera 10 achieves to set the enhancement of all the elements including the ISO sensitivity other than the flash (step S 52 ), then, performs the imaging without making the flash emitting unit 35 flash (step S 53 ).
  • the digital camera 10 quickly records it on the built-in memory 29 or the memory card 30 , then, returns to the processing on and after step S 01 to prepare for the next imaging.
  • step S 51 If it is determined, in step S 51 , that the distance up to the object is within the range in which the effect by the flash emission is expected, in succession to this, the digital camera 10 determines whether or not the result of checking of the charged state in step S 50 shows the charged sate in which the flash emitting unit 35 can sufficiently emit lights wherein it determines whether or not the results thereof shows the applied voltage that is higher than 220V (step S 54 ).
  • the digital camera 10 sets the ISO sensitivity corresponding to the charged state at the point of time of checking, more particularly, sets the amplification rate to the image signal with the analog value at the AGC/SH circuit 16 in response to the distance to the object (step S 56 ).
  • the digital camera 10 then performs the imaging by making flash emitting unit 35 emit light with the light amount possible to be flashed at that point of time (step S 57 ).
  • FIG. 8 exemplifies the content of the look-up table referred by the control unit 22 in such case, and in the case of the applied voltage to the capacitor is in the rage of 220 to 330V, the digital camera 10 sets the ISO sensitivities step by step in the range of 1,600 to 50 to implement the imaging.
  • step S 57 when emitting the flash emitting unit 35 with the light amount possible to be flashed at that point of time to perform the imaging, after quickly recording the image data obtained by the imaging on the built-in memory 29 or the memory card 30 followed by the compressing the image data (step S 49 ), the digital camera 10 returns to the processing on and after step S 41 to prepare for the next imaging.
  • step S 54 if it is determined that the charged state of the capacitor by the flash driving unit 32 is the state disabling the flash emitting unit 35 to be flashed, wherein if it is determined that the applied voltage is lower than 220V, after achieving to set the enhancement of sensitivity of all the elements including the ISO sensitivity other than the flash (step S 58 ) then the digital camera 10 conducts the imaging without the emission from the flash emitting unit 35 (step S 59 ).
  • the digital camera 10 quickly records the image data onto the built-in memory 29 or the memory card 30 (step S 49 ) then retunes to the processing on and after step S 41 so as to prepare the next imaging.
  • the digital camera 10 makes the flash in spite of insufficient state even if the flash is in the charged state in which it cannot be flashed fundamentally and also forces the imaging due to the automatically set achievements of the enhancement of high sensitivity of each element, so that it may surely image in preference to the imaging intension of the user without missing the shutter opportunity.
  • the digital camera 10 copes to achieve the enhancement of the imaging by the ISO sensitivity, particularly, copes with the amplification rate in amplifying the analog image signal by the AGC/SH circuit 16
  • the present invention is not limited to such coping and may cope in a pixel addition method by which additions are performed with information among adjacent pixels to increase dynamic ranges of the pixels.
  • a pixel addition method of a plurality of pixels by which a plurality of items of image data obtained through a plurality of times of exposures continuous in terms of time are added in pixels is possible approach.
  • the present invention is not limited to the aforementioned embodiments and it is possible for the invention to be implemented in a various types of modifications within a range not departing from the point of the invention.
  • the forgoing embodiments include inventions in a variety of stages; various inventions may be extracted from appropriate combinations of a plurality of disclosed constituent components. For instance, even if some constituent components are deleted from all the constituent components shown in the embodiments, at least one of the problems has been described in the section of “problem can be solved by present invention”, and in the case in which at least one effect described in the section of the “effect of the present invention” is obtained, the configuration from which the some constituent components has been deleted may be extracted as the invention.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
  • Adjustment Of Camera Lenses (AREA)
US11/527,289 2005-09-30 2006-09-26 Imaging device, imaging method and program Granted US20070077053A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100040358A1 (en) * 2008-08-13 2010-02-18 Hoya Corporation Photographic apparatus
US20100272425A1 (en) * 2005-09-30 2010-10-28 Casio Computer Co., Ltd. Imaging device, imaging method and program
US20100328479A1 (en) * 2009-06-04 2010-12-30 Nikon Corporation Electronic camera
US20130064433A1 (en) * 2011-09-13 2013-03-14 Hon Hai Precision Industry Co., Ltd. Electronic device and turning on or unlocking method

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4915314B2 (ja) * 2007-08-23 2012-04-11 オムロン株式会社 撮像装置および撮像制御方法
JP4605217B2 (ja) * 2007-12-28 2011-01-05 カシオ計算機株式会社 撮影装置及びそのプログラム
JP2011061530A (ja) * 2009-09-10 2011-03-24 Canon Inc 撮像装置及び撮像装置の制御方法
JP5317023B2 (ja) * 2010-09-16 2013-10-16 カシオ計算機株式会社 手ぶれ補正装置、手ぶれ補正方法およびプログラム
TWI443436B (zh) 2011-07-29 2014-07-01 Ability Entpr Co Ltd 閃光燈模組及影像擷取系統
JP2013143729A (ja) * 2012-01-12 2013-07-22 Sony Corp 撮像素子、撮像装置、電子機器および撮像方法
KR102634250B1 (ko) 2018-12-27 2024-02-07 솔브레인 주식회사 도금 조성물 및 솔더 범프 형성 방법
JP7370875B2 (ja) * 2020-01-17 2023-10-30 キヤノン株式会社 撮像装置及びその制御方法

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005444A (en) * 1972-09-25 1977-01-25 Canon Kabushiki Kaisha Exposure control system for flash photography
US4083059A (en) * 1974-09-26 1978-04-04 Canon Kabushiki Kaisha Automatic exposure control system for flash photography
US4464039A (en) * 1982-03-03 1984-08-07 Minolta Camera Kabushiki Kaisha Charge completion detecting device for flash photography system
US4549801A (en) * 1983-03-21 1985-10-29 W. Haking Enterprises Limited Automatic focussing camera with automatic aperture setting
US4998128A (en) * 1989-09-29 1991-03-05 Polaroid Corporation Preflash measurement technique
US5343268A (en) * 1992-11-09 1994-08-30 Konica Corporation Camera with strobe capable of adjusting light emitting amount
US5600389A (en) * 1994-09-07 1997-02-04 Nikon Corporation Camera which sets shutter speed and lights display in accordance with flash device
US6167202A (en) * 1995-08-21 2000-12-26 Canon Kabushiki Kaisha Camera system or flash unit
US6295413B1 (en) * 1999-02-24 2001-09-25 Nikon Corporation Digitizing circuit of light amount receiving from strobe and control circuit of light amount emitted from strobe
US20020006278A1 (en) * 2000-07-13 2002-01-17 Kazunari Kitani Camera including electronic flash, camera shake detecting system, and power supply control function for same
US6427051B1 (en) * 1999-06-24 2002-07-30 Asahi Kogaku Kogyo Kabushiki Kaisha Controller for controlling a camera having a built-in flash
US20030146986A1 (en) * 2002-02-01 2003-08-07 Calderwood Richard C. Digital camera with ISO pickup sensitivity adjustment
US20040189822A1 (en) * 2003-01-09 2004-09-30 Olympus Co., Ltd. Digital camera
US20040252217A1 (en) * 2003-06-12 2004-12-16 Battles Amy E. System and method for analyzing a digital image
US20050157206A1 (en) * 2004-01-16 2005-07-21 Casio Computer Co., Ltd. Image capture device with automatic adjusting function for sensitivity
US6930716B2 (en) * 2000-01-31 2005-08-16 Olympus Corporation Imaging apparatus capable of adding together signal charges from pixels and reading out the added pixel signals
US7071987B1 (en) * 1998-07-24 2006-07-04 Minolta Co., Ltd. Digital camera having automatic exposure control for different photographing modes
US7145602B2 (en) * 2001-06-22 2006-12-05 Sony Corporation Exposure control method for digital camera
US7336307B2 (en) * 2002-02-27 2008-02-26 Canon Kabushiki Kaisha Camera having accumulation operation in the period between the time of fully opening a leading shutter and the time of starting of a trailing shutter

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675547A (en) * 1969-06-23 1972-07-11 Canon Kk Photographing system for use with a flash device
US4974093A (en) * 1987-12-22 1990-11-27 Fuji Photo Film Co., Ltd. Solid state image-pickup device with expanded dynamic range
JPH04117876A (ja) * 1990-09-07 1992-04-17 Canon Inc 画像入力装置
JP3348799B2 (ja) * 1994-02-04 2002-11-20 株式会社リコー ストロボ撮影可能な電子スチルカメラ
JPH10111527A (ja) * 1996-10-08 1998-04-28 Canon Inc 撮影条件決定装置
JP2000162679A (ja) * 1998-11-25 2000-06-16 Canon Inc ストロボ制御方法及び装置並びに記憶媒体
JP2001223943A (ja) * 2000-02-10 2001-08-17 Fuji Photo Film Co Ltd 撮像装置
JP2001230970A (ja) * 2000-02-16 2001-08-24 Fuji Photo Film Co Ltd 撮像装置
JP2003149716A (ja) * 2001-11-16 2003-05-21 Canon Inc 撮像装置、発光動作制御方法、記録媒体及びプログラム
US7218353B2 (en) * 2001-12-26 2007-05-15 Nikon Corporation Electronic camera that selectively performs different exposure calculation routines
JP4451583B2 (ja) * 2001-12-27 2010-04-14 富士フイルム株式会社 撮像装置、撮像方法、及びプログラム
JP2004023538A (ja) * 2002-06-18 2004-01-22 Konica Minolta Holdings Inc 撮影装置
JP2004187078A (ja) * 2002-12-04 2004-07-02 Nikon Corp 電子カメラ
CN1265620C (zh) * 2003-01-09 2006-07-19 奥林巴斯株式会社 数字照相机
JP4657052B2 (ja) * 2005-07-29 2011-03-23 イーストマン コダック カンパニー デジタルカメラ、撮影方法、および撮影制御プログラム。
JP4999306B2 (ja) * 2005-09-30 2012-08-15 カシオ計算機株式会社 撮像装置、撮影方法及びプログラム

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005444A (en) * 1972-09-25 1977-01-25 Canon Kabushiki Kaisha Exposure control system for flash photography
US4083059A (en) * 1974-09-26 1978-04-04 Canon Kabushiki Kaisha Automatic exposure control system for flash photography
US4464039A (en) * 1982-03-03 1984-08-07 Minolta Camera Kabushiki Kaisha Charge completion detecting device for flash photography system
US4549801A (en) * 1983-03-21 1985-10-29 W. Haking Enterprises Limited Automatic focussing camera with automatic aperture setting
US4998128A (en) * 1989-09-29 1991-03-05 Polaroid Corporation Preflash measurement technique
US5343268A (en) * 1992-11-09 1994-08-30 Konica Corporation Camera with strobe capable of adjusting light emitting amount
US5600389A (en) * 1994-09-07 1997-02-04 Nikon Corporation Camera which sets shutter speed and lights display in accordance with flash device
US6167202A (en) * 1995-08-21 2000-12-26 Canon Kabushiki Kaisha Camera system or flash unit
US7071987B1 (en) * 1998-07-24 2006-07-04 Minolta Co., Ltd. Digital camera having automatic exposure control for different photographing modes
US6295413B1 (en) * 1999-02-24 2001-09-25 Nikon Corporation Digitizing circuit of light amount receiving from strobe and control circuit of light amount emitted from strobe
US6427051B1 (en) * 1999-06-24 2002-07-30 Asahi Kogaku Kogyo Kabushiki Kaisha Controller for controlling a camera having a built-in flash
US6930716B2 (en) * 2000-01-31 2005-08-16 Olympus Corporation Imaging apparatus capable of adding together signal charges from pixels and reading out the added pixel signals
US20020006278A1 (en) * 2000-07-13 2002-01-17 Kazunari Kitani Camera including electronic flash, camera shake detecting system, and power supply control function for same
US7145602B2 (en) * 2001-06-22 2006-12-05 Sony Corporation Exposure control method for digital camera
US20030146986A1 (en) * 2002-02-01 2003-08-07 Calderwood Richard C. Digital camera with ISO pickup sensitivity adjustment
US7336307B2 (en) * 2002-02-27 2008-02-26 Canon Kabushiki Kaisha Camera having accumulation operation in the period between the time of fully opening a leading shutter and the time of starting of a trailing shutter
US20040189822A1 (en) * 2003-01-09 2004-09-30 Olympus Co., Ltd. Digital camera
US20040252217A1 (en) * 2003-06-12 2004-12-16 Battles Amy E. System and method for analyzing a digital image
US20050212955A1 (en) * 2003-06-12 2005-09-29 Craig Murray D System and method for analyzing a digital image
US20050157206A1 (en) * 2004-01-16 2005-07-21 Casio Computer Co., Ltd. Image capture device with automatic adjusting function for sensitivity

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100272425A1 (en) * 2005-09-30 2010-10-28 Casio Computer Co., Ltd. Imaging device, imaging method and program
US7957637B2 (en) 2005-09-30 2011-06-07 Casio Computer Co., Ltd. Imaging device, imaging method and program
US20100040358A1 (en) * 2008-08-13 2010-02-18 Hoya Corporation Photographic apparatus
US7840131B2 (en) * 2008-08-13 2010-11-23 Hoya Corporation Photographic apparatus
US20100328479A1 (en) * 2009-06-04 2010-12-30 Nikon Corporation Electronic camera
US8259189B2 (en) * 2009-06-04 2012-09-04 Nikon Corporation Electronic camera
US20130064433A1 (en) * 2011-09-13 2013-03-14 Hon Hai Precision Industry Co., Ltd. Electronic device and turning on or unlocking method
TWI447608B (zh) * 2011-09-13 2014-08-01 Hon Hai Prec Ind Co Ltd 電子裝置及其開機解鎖的識別方法

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US20100272425A1 (en) 2010-10-28
TWI329452B (en) 2010-08-21
KR20070037377A (ko) 2007-04-04
KR100840461B1 (ko) 2008-06-20
CN1941852B (zh) 2011-02-16
CN1941852A (zh) 2007-04-04

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