JP2006287586A5 - - Google Patents

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JP2006287586A5
JP2006287586A5 JP2005104360A JP2005104360A JP2006287586A5 JP 2006287586 A5 JP2006287586 A5 JP 2006287586A5 JP 2005104360 A JP2005104360 A JP 2005104360A JP 2005104360 A JP2005104360 A JP 2005104360A JP 2006287586 A5 JP2006287586 A5 JP 2006287586A5
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exposure
still image
shutter speed
image shooting
controlling
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JP2005104360A
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JP4965810B2 (en
JP2006287586A (en
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Claims (10)

撮像素子と、
絞り機構により前記撮像素子への露光量を制御する露光量制御手段と、
シャッタ機構により前記撮像素子への露光時間を制御する露光時間制御手段と、
撮像素子から読み出したデータから輝度情報を抽出する輝度情報抽出手段と、
動画撮影時に静止画撮影に切り替えるように指示する指示手段と、
前記指示手段による指示に応答して、動画撮影中の少なくとも絞り値と、シャッタ速度と、被写体の前記輝度情報とに基づいて静止画撮影用の露出値を決定する露出決定手段と、
前記露出決定手段により決定された前記静止画撮影用の露出値と、当該静止画撮影用の絞り値とに基づいて静止画撮影用のシャッタ速度を決定するシャッタ速度決定手段と、
前記シャッタ速度決定手段により決定されたシャッタ速度と、前記静止画撮影用の絞り値の変化量との和に基づく経過時間を算出する算出手段と、
前記算出手段により算出された前記経過時間が所定の条件を満たす静止画撮影用の絞り値及びシャッタ速度に基づいて前記露光量制御手段及び前記露光時間制御手段を制御して静止画撮影を実行するように制御する制御手段と、
を有することを特徴とする撮像装置。 An image sensor;
Exposure amount control means for controlling the exposure amount to the image sensor by a diaphragm mechanism;
Exposure time control means for controlling the exposure time to the image sensor by a shutter mechanism;
Luminance information extraction means for extracting luminance information from data read from the image sensor;
Instruction means for instructing to switch to still image shooting at the time of video shooting;
In response to the instruction by said instruction means, and at least the diaphragm value in moving image shooting, the shutter speed, an exposure determining means for determining an exposure value for still image shooting based on said luminance information of the object,
And exposure value of the still image photographing operation is determined by the exposure determination unit, a shutter speed determining means for determining a shutter speed for still image shooting based on the aperture value for the still image shooting,
Calculating means for calculating an elapsed time based on a sum of said shutter speed determining means shutter speed determined by a variation of the aperture value for the still image shooting,
The still image capturing the elapsed time calculated by said calculating means by controlling the exposure amount control means and said exposure time control means, based on the aperture value and the shutter speed for still images captured that meet a predetermined condition Control means for controlling to execute;
An imaging device comprising: 撮像素子と、
絞り機構により前記撮像素子への露光量を制御する露光量制御手段と、
シャッタ機構により前記撮像素子への露光時間を制御する露光時間制御手段と、
撮像素子から読み出したデータから輝度情報を抽出する輝度情報抽出手段と、
動画撮影時に静止画撮影に切り替え、再び動画撮影に切り替えるように指示する指示手段と、
前記指示手段による指示に応答して、動画撮影中の少なくとも絞り値と、シャッタ速度と、被写体の前記輝度情報とに基づいて静止画撮影用の露出値を決定する露出決定手段と、
前記露出決定手段により決定された前記静止画撮影用の露出値と、当該静止画撮影用の絞り値とに基づいて静止画撮影用のシャッタ速度を決定するシャッタ速度決定手段と、
前記シャッタ速度決定手段により決定されたシャッタ速度と、前記静止画撮影用の絞り値の変化量との和に基づく経過時間を算出する算出手段と、
前記算出手段により算出された前記経過時間が所定の条件を満たす静止画撮影用の絞り値及びシャッタ速度に基づいて前記露光量制御手段及び前記露光時間制御手段を制御して静止画撮影を実行した後、動画撮影を実行するように制御する制御手段と、
を有することを特徴とする撮像装置。 An image sensor;
Exposure amount control means for controlling the exposure amount to the image sensor by a diaphragm mechanism;
Exposure time control means for controlling the exposure time to the image sensor by a shutter mechanism;
Luminance information extracting means for extracting luminance information from data read from the image sensor;
Instruction means for instructing to switch to still image shooting at the time of video shooting and to switch to video shooting again;
In response to the instruction by said instruction means, and at least the diaphragm value in moving image shooting, the shutter speed, an exposure determining means for determining an exposure value for still image shooting based on said luminance information of the object,
And exposure value of the still image photographing operation is determined by the exposure determination unit, a shutter speed determining means for determining a shutter speed for still image shooting based on the aperture value for the still image shooting,
Calculating means for calculating an elapsed time based on a sum of said shutter speed determining means shutter speed determined by a variation of the aperture value for the still image shooting,
The still image capturing the elapsed time calculated by said calculating means by controlling the exposure amount control means and said exposure time control means, based on the aperture value and the shutter speed for still images captured that meet a predetermined condition Control means for controlling to execute video shooting after execution;
An imaging device comprising: 前記経過時間は、前記シャッタ速度決定手段により決定されたシャッタ速度に基づく露光時間と、前記静止画撮影用の絞り値と該絞り値からｎステップ動かした絞り値とから算出される絞り駆動時間との和に基づき算出されることを特徴とする請求項１又は２に記載の撮像装置。 The elapsed time is an aperture driving time calculated from an exposure time based on the shutter speed determined by the shutter speed determining means, an aperture value for still image shooting, and an aperture value moved n steps from the aperture value. The imaging device according to claim 1, wherein the imaging device is calculated based on a sum of the two. 前記露出決定手段は、絞り値とシャッタ速度の加算値から露出値を引いて得られるゲインを更に用いて、前記静止画撮影用の露出値を決定することを特徴とする請求項１乃至３のいずれか１項に記載の撮像装置。 The exposure determination unit, by using the gain obtained by subtracting the exposure values from the sum of the aperture value and the shutter speed further, according to claim 1 to 3, characterized in that to determine the exposure value for the still image shooting The imaging device according to any one of claims. 前記所定の条件とは、前記算出手段により算出された前記経過時間が最小となることであることを特徴とする請求項１乃至４のいずれか１項に記載の撮像装置。 Wherein the predetermined conditions include an imaging device according to any one of claims 1 to 4, wherein the elapsed time calculated by the calculating means is that the smallest. 撮像素子と、絞り機構により前記撮像素子への露光量を制御する露光量制御手段と、シャッタ機構により前記撮像素子への露光時間を制御する露光時間制御手段と、前記撮像素子から読み出したデータから輝度情報を抽出する輝度情報抽出手段とを有する撮像装置の制御方法であって、
動画撮影時に静止画撮影に切り替えるように指示する指示工程と、
前記指示工程による指示に応答して、動画撮影中の少なくとも絞り値と、シャッタ速度と、被写体の輝度情報とに基づいて静止画撮影用の露出値を決定する露出決定工程と、
前記露出決定工程で決定された前記静止画撮影用の露出値と、当該静止画撮影用の絞り値とに基づいて静止画撮影用のシャッタ速度を決定するシャッタ速度決定工程と、
前記シャッタ速度決定工程で決定されたシャッタ速度と、前記静止画撮影用の絞り値の変化量との和に基づく経過時間を算出する算出工程と、
前記算出工程で算出された前記経過時間が所定の条件を満たす静止画撮影用の絞り値及びシャッタ速度に基づいて前記露光量制御工程及び前記露光時間制御工程を制御して静止画撮影を実行するように制御する制御工程と、
を有することを特徴とする撮像装置の制御方法。 An imaging element, and the exposure amount control means for controlling the exposure amount to the throttle mechanism the imaging device, and an exposure time control means for controlling the exposure time to the image sensor by the shutter mechanism, the data read from the image sensor A method of controlling an imaging apparatus having luminance information extraction means for extracting luminance information,
An instruction process for instructing to switch to still image shooting at the time of video shooting;
In response to the instruction by said instruction step, at least the diaphragm value in moving image shooting, the shutter speed, and exposure determination step of determining an exposure value for still image shooting based on the luminance information of the subject,
And exposure value for the exposure determination step the still image shooting determined in the shutter speed determination step of determining a shutter speed for still image shooting based on the aperture value for the still image shooting,
A calculation step of calculating an elapsed time based on the sum of the shutter speed determination step shutter speed determined by the amount of change in the throttle value for the still image shooting,
The still image capturing said calculating step the elapsed time calculated by the controlling the exposure amount control step and the exposure time control process on the basis of the aperture value and the shutter speed for less than to shoot still photos of a predetermined condition A control process for controlling to execute;
A method for controlling an imaging apparatus, comprising: 撮像素子と、絞り機構により前記撮像素子への露光量を制御する露光量制御手段と、シャッタ機構により前記撮像素子への露光時間を制御する露光時間制御手段と、前記撮像素子から読み出したデータから輝度情報を抽出する輝度情報抽出手段とを有する撮像装置の制御方法であって、
動画撮影時に静止画撮影に切り替え、再び動画撮影に切り替えるように指示する指示工程と、
前記指示工程による指示に応答して、動画撮影中の少なくとも絞り値と、シャッタ速度と、被写体の輝度情報とに基づいて静止画撮影用の露出値を決定する露出決定工程と、
前記露出決定工程で決定された前記静止画撮影用の露出値と、当該静止画撮影用の絞り値とに基づいて静止画撮影用のシャッタ速度を決定するシャッタ速度決定工程と、
前記シャッタ速度決定工程で決定されたシャッタ速度と、前記静止画撮影用の絞り値の変化量との和に基づく経過時間を算出する算出工程と、
前記算出工程で算出された前記経過時間が所定の条件を満たす静止画撮影用の絞り値及びシャッタ速度に基づいて前記露光量制御工程及び前記露光時間制御工程を制御して静止画撮影を実行した後、動画撮影を実行するように制御する制御工程と、
を有することを特徴とする撮像装置の制御方法。 An imaging element, and the exposure amount control means for controlling the exposure amount to the throttle mechanism the imaging device, and an exposure time control means for controlling the exposure time to the image sensor by the shutter mechanism, the data read from the image sensor A method of controlling an imaging apparatus having luminance information extraction means for extracting luminance information,
An instruction process instructing to switch to still image shooting at the time of video shooting and to switch to video shooting again,
In response to the instruction by said instruction step, at least the diaphragm value in moving image shooting, the shutter speed, and exposure determination step of determining an exposure value for still image shooting based on the luminance information of the subject,
And exposure value for the exposure determination step the still image shooting determined in the shutter speed determination step of determining a shutter speed for still image shooting based on the aperture value for the still image shooting,
A calculation step of calculating an elapsed time based on the sum of the shutter speed determination step shutter speed determined by the amount of change in the throttle value for the still image shooting,
The still image capturing said calculating step the elapsed time calculated by the controlling the exposure amount control step and the exposure time control process on the basis of the aperture value and the shutter speed for less than to shoot still photos of a predetermined condition A control process for controlling to execute video shooting after execution;
A method for controlling an imaging apparatus, comprising: 前記経過時間は、前記シャッタ速度決定工程で決定されたシャッタ速度に基づく露光時間と、前記静止画撮影用の絞り値と該絞り値からｎステップ動かした絞り値とから算出される絞り駆動時間との和に基づき算出されることを特徴とする請求項６又は７に記載の撮像装置の制御方法。 The elapsed time is an aperture driving time calculated from an exposure time based on the shutter speed determined in the shutter speed determination step, an aperture value for still image shooting, and an aperture value moved n steps from the aperture value. The control method for an imaging apparatus according to claim 6, wherein the control method is calculated based on a sum of the values . 前記露出決定工程では、絞り値とシャッタ速度の加算値から露出値を引いて得られるゲインを更に用いて、前記静止画撮影用の露出値を決定することを特徴とする請求項６乃至８のいずれか１項に記載の撮像装置の制御方法。 Wherein the exposure determining step, using the gain obtained by subtracting the exposure values from the sum of the aperture value and the shutter speed further, according to claim 6 to 8, characterized in that to determine the exposure value for the still image shooting The control method of an imaging device given in any 1 paragraph. 前記所定の条件とは、前記算出工程で算出された前記経過時間が最小となることであることを特徴とする請求項６乃至９のいずれか１項に記載の撮像装置。 Wherein the predetermined conditions include an imaging device according to any one of claims 6-9, wherein the elapsed time calculated in the calculation step is to be minimized.
JP2005104360A 2005-03-31 2005-03-31 Imaging apparatus and control method thereof Expired - Fee Related JP4965810B2 (en)

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US8032019B2 (en) 2008-05-21 2011-10-04 Panasonic Corporation Camera body and imaging apparatus
JP5159536B2 (en) * 2008-09-22 2013-03-06 キヤノン株式会社 Imaging apparatus, control method thereof, and program
JP5963102B1 (en) * 2016-04-27 2016-08-03 パナソニックＩｐマネジメント株式会社 Imaging device
JP5995035B1 (en) * 2016-06-17 2016-09-21 パナソニックＩｐマネジメント株式会社 Imaging device
JP6024937B2 (en) * 2016-08-09 2016-11-16 パナソニックＩｐマネジメント株式会社 Imaging device
JP6103515B2 (en) * 2016-12-19 2017-03-29 パナソニックＩｐマネジメント株式会社 Imaging device
JP6168249B2 (en) * 2017-02-20 2017-07-26 パナソニックＩｐマネジメント株式会社 Imaging device

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JPS5576335A (en) * 1978-12-01 1980-06-09 Fuji Photo Optical Co Ltd Automatic exposure control unit permitting automatic fading
JPH0614163B2 (en) * 1982-12-14 1994-02-23 キヤノン株式会社 Diaphragm device
JPH05344415A (en) * 1992-06-09 1993-12-24 Canon Inc Automatic exposure controller for optical equipment
JPH0882826A (en) * 1994-09-09 1996-03-26 Canon Inc Camera
JPH0993484A (en) * 1995-09-22 1997-04-04 Canon Inc Image pickup device
JPH1042189A (en) * 1996-07-24 1998-02-13 Canon Inc Electronic picture recording device

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