JP2019057908A5 - - Google Patents

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JP2019057908A5
JP2019057908A5 JP2018123774A JP2018123774A JP2019057908A5 JP 2019057908 A5 JP2019057908 A5 JP 2019057908A5 JP 2018123774 A JP2018123774 A JP 2018123774A JP 2018123774 A JP2018123774 A JP 2018123774A JP 2019057908 A5 JP2019057908 A5 JP 2019057908A5
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viewpoint image
imaging device
viewpoint
image
compression
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JP2019057908A (en
JP7204357B2 (en
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ステップＳ２０１で、撮影条件に基づいて視点画像をフラッシュメモリ１３３に記録するか否かを判定する。視点画像を利用した画像処理により得られる効果が大きい場合は視点画像を記録し、効果が小さい場合は視点画像を記録しない。画像処理による効果が大きいか否かは、撮影条件により判断される。ここでの撮像条件とは、例えば、絞り値、ＩＳＯ感度、焦点距離などである。 In step S201, it is determined whether or not to record the viewpoint image in the flash memory 133 based on the shooting conditions. If the effect obtained by image processing using the viewpoint image is large, the viewpoint image is recorded, and if the effect is small, the viewpoint image is not recorded. Whether or not the effect of image processing is large is determined by the shooting conditions. The imaging conditions here are, for example, an aperture value, an ISO sensitivity, a focal length, and the like.

Claims (19)

複数の視点画像を取得する取得手段と、
前記視点画像を撮影した際の撮影条件を取得する撮影条件取得手段と、
記録手段に記録する前記視点画像を圧縮する圧縮手段と、を備え、
前記圧縮手段は、前記撮影条件に応じて、前記視点画像を圧縮することを特徴とする撮像装置。 An acquisition method for acquiring multiple viewpoint images,
A shooting condition acquisition means for acquiring the shooting conditions when the viewpoint image is shot, and
A compression means for compressing the viewpoint image to be recorded in the recording means is provided.
The compression means is an imaging device characterized in that the viewpoint image is compressed according to the shooting conditions. 前記撮影条件は、ＩＳＯ感度もしくは絞り値であることを特徴とする請求項１に記載の撮像装置。 The imaging device according to claim 1, wherein the photographing condition is an ISO sensitivity or an aperture value. 前記撮影条件はＩＳＯ感度であり、前記圧縮手段は、前記ＩＳＯ感度が所定の値以上である場合、前記視点画像を圧縮することを特徴とする請求項１または２に記載の撮像装置。 The imaging device according to claim 1 or 2, wherein the photographing condition is ISO sensitivity, and the compression means compresses the viewpoint image when the ISO sensitivity is equal to or higher than a predetermined value. 前記圧縮手段は、ＩＳＯ感度に応じて、前記視点画像を圧縮する圧縮率を変更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 imaging device according to any one of claims 1 to 3, wherein the compression means changes the compression rate for compressing the viewpoint image according to the ISO sensitivity. 前記圧縮手段は、絞り値に応じて、前記視点画像を圧縮する圧縮率を変更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 imaging device according to any one of claims 1 to 3, wherein the compression means changes the compression rate for compressing the viewpoint image according to the aperture value. 前記視点画像に基づいて、コントラスト分布に対応するコントラスト情報を算出する算出手段をさらに備え、
前記圧縮手段は、前記コントラスト情報において所定のコントラスト以上の領域が所定の値未満である場合、前記視点画像を圧縮することを特徴とする請求項１乃至５のいずれか１項に記載の撮像装置。 A calculation means for calculating the contrast information corresponding to the contrast distribution based on the viewpoint image is further provided.
The imaging device according to any one of claims 1 to 5, wherein the compression means compresses the viewpoint image when a region of a predetermined contrast or more is less than a predetermined value in the contrast information. .. 前記圧縮手段は、前記コントラスト情報の値に応じて、前記視点画像を圧縮する圧縮率を変更することを特徴とする請求項６に記載の撮像装置。 The imaging device according to claim 6, wherein the compression means changes the compression rate for compressing the viewpoint image according to the value of the contrast information. 複数の視点画像を取得する取得手段と、
前記視点画像を撮影した際の撮影条件を取得する撮影条件取得手段と、
記録手段に記録するデータを決定する決定手段と、を備え、
前記決定手段は、前記撮影条件に応じて、前記視点画像を前記記録手段に記録するか否か決定することを特徴とする撮像装置。 An acquisition method for acquiring multiple viewpoint images,
A shooting condition acquisition means for acquiring the shooting conditions when the viewpoint image is shot, and
It is equipped with a determination means for determining the data to be recorded in the recording means.
The imaging device is characterized in that the determining means determines whether or not to record the viewpoint image in the recording means according to the shooting conditions. 前記撮影条件は、絞り値、ＩＳＯ感度、被写体距離のいずれかであることを特徴とする請求項８に記載の撮像装置。 The imaging device according to claim 8, wherein the photographing condition is any one of an aperture value, an ISO sensitivity, and a subject distance. 前記撮影条件は絞り値であり、前記決定手段は、前記絞り値が所定の値以上である場合、前記視点画像を記録しないと決定することを特徴とする請求項８または９に記載の撮像装置。 The imaging device according to claim 8 or 9, wherein the shooting condition is an aperture value, and the determination means determines that the viewpoint image is not recorded when the aperture value is equal to or greater than a predetermined value. .. 前記撮影条件はＩＳＯ感度であり、前記決定手段は、前記ＩＳＯ感度が所定の値以上である場合、前記視点画像を記録しないと決定することを特徴とする請求項８または９に記載の撮像装置。 The imaging apparatus according to claim 8 or 9, wherein the imaging condition is ISO sensitivity, and the determining means determines that the viewpoint image is not recorded when the ISO sensitivity is equal to or higher than a predetermined value. .. 前記撮影条件は被写体距離であり、前記決定手段は、前記被写体距離が所定の範囲外である場合、前記視点画像を記録しないと決定することを特徴とする請求項８または９に記載の撮像装置。 The imaging device according to claim 8 or 9, wherein the shooting condition is a subject distance, and the determining means determines that the viewpoint image is not recorded when the subject distance is out of a predetermined range. .. 前記視点画像を用いた画像処理を行う画像処理手段をさらに備え、
前記決定手段は、前記画像処理に応じて、前記視点画像を前記記録手段に記録するか否か決定することを特徴とする請求項８乃至１２のいずれか１項に記載の撮像装置。 An image processing means for performing image processing using the viewpoint image is further provided.
The imaging device according to any one of claims 8 to 12, wherein the determining means determines whether or not to record the viewpoint image in the recording means according to the image processing. 前記決定手段は、前記画像処理として、リフォーカス処理、視点移動処理、ボケ調整、不要成分低減処理のいずれかが実施された場合、前記視点画像を記録しないと決定することを特徴とする請求項１３に記載の撮像装置。 The determination means is characterized in that it determines that the viewpoint image is not recorded when any of the refocus processing, the viewpoint movement processing, the blur adjustment, and the unnecessary component reduction processing is performed as the image processing. 13. The imaging device according to 13. 前記決定手段は、前記画像処理として、リフォーカス処理、視点移動処理、ボケ調整、不要成分低減処理のいずれかを実施する場合には、前記視点画像を記録すると決定することを特徴とする請求項１３に記載の撮像装置。 The claim means that the determination means determines to record the viewpoint image when any one of refocus processing, viewpoint movement processing, blur adjustment, and unnecessary component reduction processing is performed as the image processing. 13. The imaging device according to 13. 前記視点画像に基づいて、コントラスト分布に対応するコントラスト情報を算出する算出手段をさらに備え、
前記決定手段は、前記コントラスト情報において所定のコントラスト以上の領域が所定の値未満である場合、前記視点画像を記録しないと決定することを特徴とする請求項８乃至１５のいずれか１項に記載の撮像装置。 A calculation means for calculating the contrast information corresponding to the contrast distribution based on the viewpoint image is further provided.
The determination means according to any one of claims 8 to 15, wherein the determination means determines not to record the viewpoint image when the region of the predetermined contrast or more is less than the predetermined value in the contrast information. Imaging device. 前記決定手段は、前記コントラスト情報において所定のコントラスト以上の領域が所定の値以上である場合、前記コントラスト情報を前記記録手段に記録することを決定することを特徴とする請求項１６に記載の撮像装置。 The imaging according to claim 16, wherein the determining means determines to record the contrast information in the recording means when a region having a predetermined contrast or more in the contrast information is a predetermined value or more. Device. 撮像装置の制御方法であって、
複数の視点画像を取得する取得工程と、
前記視点画像を撮影した際の撮影条件を取得する撮影条件取得工程と、
記録手段に記録する前記視点画像を圧縮する圧縮工程と、を備え、
前記圧縮工程では、前記撮影条件に応じて、前記視点画像を圧縮することを特徴とする制御方法。 It is a control method of the image pickup device.
The acquisition process to acquire multiple viewpoint images and
The shooting condition acquisition process for acquiring the shooting conditions when the viewpoint image is taken, and
A compression step for compressing the viewpoint image to be recorded in the recording means is provided.
The compression step is a control method characterized in that the viewpoint image is compressed according to the imaging conditions. 撮像装置の制御方法であって、
複数の視点画像を取得する取得工程と、
前記視点画像を撮影した際の撮影条件を取得する撮影条件取得工程と、
記録手段に記録するデータを決定する決定工程と、を有し、
前記決定工程では、前記撮影条件に応じて、前記視点画像を前記記録手段に記録するか否か決定することを特徴とする制御方法。 It is a control method of the image pickup device.
The acquisition process to acquire multiple viewpoint images and
The shooting condition acquisition process for acquiring the shooting conditions when the viewpoint image is taken, and
It has a determination step of determining the data to be recorded in the recording means, and has.
The control method is characterized in that in the determination step, it is determined whether or not to record the viewpoint image in the recording means according to the imaging conditions.
JP2018123774A 2017-09-20 2018-06-29 Imaging device and its control method Active JP7204357B2 (en)

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JP2017180174 2017-09-20
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