JP2013195577A5 - - Google Patents

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JP2013195577A5
JP2013195577A5 JP2012061150A JP2012061150A JP2013195577A5 JP 2013195577 A5 JP2013195577 A5 JP 2013195577A5 JP 2012061150 A JP2012061150 A JP 2012061150A JP 2012061150 A JP2012061150 A JP 2012061150A JP 2013195577 A5 JP2013195577 A5 JP 2013195577A5
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上記目的を達成するため、本発明に係る撮像装置は、撮像部と、前記撮像部が撮像した撮像画像に含まれる特定の被写体の位置と大きさと向きを検出する検出部と、前記検出部が検出した前記特定の被写体の位置と大きさに対応させて、合焦用の評価値を求めるための評価領域の位置と大きさを定める領域定義部と、前記検出部が検出した前記特定の被写体の向きに応じて、前記領域定義部が定める前記評価領域の形状が矩形以外の形状となるように制御する制御部と、を備えることを特徴とする。
また、他の態様による撮像装置は、撮像部と、前記撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出部と、前記検出部が検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義部と、を備え、前記検出部は、それぞれ異なる顔の向きに対応する複数の顔テンプレートを用いて、当該複数の顔テンプレートの何れかと類似度が高い前記撮像画像上の領域である顔領域を抽出することにより、前記顔方向を検出し、前記領域定義部は、前記検出部が抽出した顔領域を前記顔の両側から縮小した領域を、前記評価領域として定め、前記領域定義部が顔領域を縮小する率を、前記顔の向きが正面から離れるほど大きくなるように制御する制御部を更に備えることを特徴とする。
また、他の態様による撮像装置は、撮像部と、前記撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出部と、前記検出部が検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義部と、前記領域定義部が定めた評価領域内の複数の部分領域のそれぞれに対して、前記検出部が検出した顔方向に基づいて3以上の複数段階からなる優先度を定める優先度定義部と、前記部分領域のそれぞれについて求められる、当該部分領域の像に合焦している程度を示す評価値のうち、前記優先度定義部が定めた優先度が高い部分領域の評価値を優先して用いて、前記顔に合焦する焦点距離である合焦距離として決定する決定部と、を備えることを特徴とする。
To achieve the above object, an imaging apparatus according to the present invention includes an imaging unit, a detection unit wherein the imaging unit to detect the position and magnitude and direction of the specific subject included in the captured image captured, the detection unit An area defining unit that determines the position and size of an evaluation area for obtaining an evaluation value for focusing in correspondence with the detected position and size of the specific subject, and the specific subject detected by the detection unit And a control unit that controls the shape of the evaluation region defined by the region definition unit to be a shape other than a rectangle according to the orientation of the region .
An imaging device according to another aspect includes an imaging unit, and when a captured image captured by the imaging unit includes a facial image, the facial image, and a facial direction that is the facial orientation; And an evaluation area, which is an area for determining a focal distance for imaging the subject, including at least a part of the face image detected by the detection section, on the captured image based on the face direction. An area defining unit defined in (2), wherein the detection unit uses a plurality of face templates corresponding to different face orientations, and uses a plurality of face templates in a region on the captured image having high similarity to any of the plurality of face templates. The face direction is detected by extracting a certain face area, and the area defining unit determines, as the evaluation area, an area obtained by reducing the face area extracted by the detecting unit from both sides of the face. Reduces the face area The orientation of the face is characterized by further comprising a control unit for controlling so as to increase as the distance from the front.
An imaging device according to another aspect includes an imaging unit, and when a captured image captured by the imaging unit includes a facial image, the facial image, and a facial direction that is the facial orientation; And an evaluation area, which is an area for determining a focal distance for imaging the subject, including at least a part of the face image detected by the detection section, on the captured image based on the face direction. A priority defined in three or more stages is determined based on the face direction detected by the detection unit for each of the region definition unit defined in (1) and a plurality of partial regions in the evaluation region defined by the region definition unit. Of the evaluation values indicating the degree of focus on the image of the partial area, obtained for each of the priority definition section and the partial area, evaluation of the partial area having a high priority determined by the priority definition section Focus on the face with priority on the value A determination unit that determines a focusing distance is the focal length, characterized in that it comprises a.

Claims (21)

撮像部と、
前記撮像部が撮像した撮像画像に含まれる特定の被写体の位置と大きさと向きを検出する検出部と、
前記検出部が検出した前記特定の被写体の位置と大きさに対応させて、合焦用の評価値を求めるための評価領域の位置と大きさを定める領域定義部と、
前記検出部が検出した前記特定の被写体の向きに応じて、前記領域定義部が定める前記評価領域の形状が矩形以外の形状となるように制御する制御部と、
を備えることを特徴とする撮像装置。
An imaging unit;
A detector for detecting the position and magnitude and direction of the specific subject that the imaging unit is included in a captured image captured,
An area defining unit that determines the position and size of an evaluation area for obtaining an evaluation value for focusing in correspondence with the position and size of the specific subject detected by the detection unit;
A control unit that controls the shape of the evaluation region defined by the region definition unit to be a shape other than a rectangle according to the orientation of the specific subject detected by the detection unit ;
An imaging apparatus comprising:
前記制御部は、前記検出部が検出した前記特定の被写体の向きに応じて、矩形以外の形状である前記評価領域の形状が異なる形状になるように制御する、The control unit controls the shape of the evaluation region, which is a shape other than a rectangle, to be a different shape according to the orientation of the specific subject detected by the detection unit.
ことを特徴とする請求項1に記載の撮像装置。The imaging apparatus according to claim 1.
前記領域定義部は、前記評価領域内の位置に応じて前記合焦用の評価値を求める際の優先度が異なるように前記評価領域を定めることが可能であり、The region definition unit can determine the evaluation region so that the priority when obtaining the evaluation value for focusing differs according to the position in the evaluation region,
前記制御部は、前記検出部が検出した前記特定の被写体の向きに応じて、前記領域定義部が定める各位置の優先度を変化させることにより、所定の優先度を持つ評価領域の形状が異なる形状となるように制御する、The control unit changes the priority of each position determined by the region definition unit in accordance with the direction of the specific subject detected by the detection unit, thereby changing the shape of the evaluation region having a predetermined priority. Control to be in shape,
ことを特徴とする請求項2に記載の撮像装置。The imaging apparatus according to claim 2.
前記制御部は、前記領域定義部が定めた評価領域内の複数の部分領域のそれぞれに対して、前記検出部が検出した前記特定の被写体の向きに応じた優先度を定め、The control unit determines a priority according to the orientation of the specific subject detected by the detection unit for each of a plurality of partial regions in the evaluation region defined by the region definition unit,
前記部分領域のそれぞれについて求められる評価値のうち、前記優先度が高い部分領域の評価値を優先して用いて、前記撮像部が撮像する際の合焦距離を決定する決定部を更に備える、Of the evaluation values obtained for each of the partial areas, the evaluation value of the partial area having a high priority is used preferentially, and further includes a determination unit that determines an in-focus distance when the imaging unit captures an image.
ことを特徴とする請求項3に記載の撮像装置。The imaging apparatus according to claim 3.
前記検出部は、前記撮像部が撮像した撮像画像に前記特定の被写体である人の顔が含まれている場合に、この人の顔の位置と大きさと向きを検出し、The detection unit detects the position, size, and orientation of the person's face when the captured image captured by the imaging unit includes a person's face as the specific subject.
前記制御部は、前記検出部が検出した前記人の顔の向きに応じて、矩形以外の形状である前記評価領域の形状が異なる形状になるように制御する、The control unit controls the shape of the evaluation region, which is a shape other than a rectangle, according to the orientation of the person's face detected by the detection unit to be a different shape.
ことを特徴とする請求項1乃至4の何れか一項に記載の撮像装置。The imaging apparatus according to any one of claims 1 to 4, wherein the imaging apparatus is characterized in that
撮像部と、
前記撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出部と、
前記検出部が検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義部と、
を備え、
前記検出部は、それぞれ異なる顔の向きに対応する複数の顔テンプレートを用いて、当該複数の顔テンプレートの何れかと類似度が高い前記撮像画像上の領域である顔領域を抽出することにより、前記顔方向を検出し、
前記領域定義部は、前記検出部が抽出した顔領域を前記顔の両側から縮小した領域を、前記評価領域として定め、
前記領域定義部が顔領域を縮小する率、前記顔の向きが正面から離れるほど大きくなるように制御する制御部を更に備える
ことを特徴とする撮像装置。
An imaging unit;
A detection unit that detects a face image and a face direction that is a direction of the face when a captured image captured by the imaging unit includes a face image;
An area defining unit that defines an evaluation area on the captured image based on the face direction, which includes an area for determining a focal length for capturing an image of a subject, including at least a part of a face image detected by the detection unit;
With
Wherein the detection unit uses a plurality of face templates corresponding about the direction of the different faces, by any similarity of the plurality of face templates extracts a face region is a region on higher the captured image, before detecting the Kikaokata direction,
The area definition unit defines the detection section extracts the face region area reduced from both sides of the face, as the evaluation area,
A control unit that controls a rate at which the region defining unit reduces the face region so that the orientation of the face increases as the distance from the front increases.
It shall be the said imaging device.
前記検出部が検出した顔の像から、前記顔のパーツとして、右目又は左目のうち前記撮像部に近い目である近側目と、遠い目である遠側目と、口と、を抽出する抽出部を更に備え、
前記領域定義部は、前記顔領域を前記抽出部が抽出した顔のパーツを全て含む領域に縮小して、前記評価領域とする、
ことを特徴とする請求項に記載の撮像装置。
From the face image detected by the detection unit, a near eye that is an eye close to the imaging unit, a far eye that is a distant eye, and a mouth are extracted as the face parts from the right eye or the left eye. An extractor,
The area defining unit reduces the face area to an area including all the facial parts extracted by the extraction unit, and sets the evaluation area as the evaluation area.
The imaging apparatus according to claim 6 .
撮像部と、
前記撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出部と、
前記検出部が検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義部と、
前記領域定義部が定めた評価領域内の複数の部分領域のそれぞれに対して、前記検出部が検出した顔方向に基づいて3以上の複数段階からなる優先度を定める優先度定義部と、
前記部分領域のそれぞれについて求められる、当該部分領域の像に合焦している程度を示す評価値のうち、前記優先度定義部が定めた優先度が高い部分領域の評価値を優先して用いて、前記顔に合焦する焦点距離である合焦距離として決定する決定部と
備えることを特徴とする撮像装置。
An imaging unit;
When the imaging unit is included an image of the face of the captured image captured, and the image of the face, a detecting unit that detects the face direction, a is-out direction of the face,
Wherein the detection unit comprises at least a portion of the image of the detected face, the evaluation area is an area for determining the focal length to image the object Utsushitai, said region defining unit that defines on the captured image based on the face direction When,
A priority definition unit that determines priority of three or more stages based on the face direction detected by the detection unit for each of a plurality of partial regions in the evaluation region defined by the region definition unit;
Among the evaluation values indicating the degree of focusing on the image of the partial area obtained for each of the partial areas, the evaluation value of the partial area having a high priority determined by the priority definition unit is used with priority. A determination unit that determines a focal distance that is a focal distance for focusing on the face ;
Imaging device, characterized in that it comprises a.
前記優先度定義部は、前記部分領域のうち、顔の向きに応じて特に重要度が高い重要領域を定め、前記優先度を、当該重要領域に近い部分領域ほど高くなるように設定する、
ことを特徴とする請求項に記載の撮像装置。
The priority definition section of the partial region is set in particular severity constant because a high critical areas, as the priority, the higher the partial region near to the critical region according to the orientation of the face,
The imaging apparatus according to claim 8 .
前記優先度定義部は、前記部分領域のうち、右目及び左目のうち前記撮像部に近い方の目である近側目があると推測される位置の部分領域を前記重要領域とし、前記優先度を、当該重要領域に近い部分領域ほど高くなるように設定する、
ことを特徴とする請求項に記載の撮像装置。
The priority definition unit sets, as the important region, a partial region at a position where it is estimated that there is a near eye that is an eye closer to the imaging unit among the right eye and the left eye among the partial regions, and the priority Is set so that the partial area closer to the important area becomes higher.
The imaging apparatus according to claim 9 .
前記優先度定義部は、前記抽出部が前記近側目を抽出すると、当該近側目を含む部分領域を前記重要領域とし、前記近側目を抽出できなかった場合は、前記撮像部から遠い目である遠側目又は口を含む部分領域の何れかを前記重要領域とし、
前記優先度定義部は、前記重要領域の優先度が、その他の部分領域より高くなるように優先度を設定する、
ことを特徴とする請求項10に記載の撮像装置。
When the extraction unit extracts the near eye, the priority definition unit sets a partial region including the near eye as the important region, and if the near eye cannot be extracted, the priority definition unit is far from the imaging unit. a eyes also far side eye is set to the critical region any portion region including the mouth,
The priority definition unit sets the priority so that the priority of the important area is higher than the other partial areas;
The imaging apparatus according to claim 10 .
前記決定部は、
前記優先度定義部が定めた優先度が高い部分領域から順に、所定範囲に含まれる焦点距離のそれぞれにおける前記評価値が所定の検出条件を満たすか否か判別し、
当該検出条件を満たすと先に判別された部分領域の評価値が大きい焦点距離を前記合焦距離とする、
ことを特徴とする請求項乃至11の何れか一項に記載の撮像装置。
The determination unit
In order from the partial area having a high priority set by the priority definition unit, it is determined whether or not the evaluation value at each of the focal lengths included in the predetermined range satisfies a predetermined detection condition,
When the detection condition is satisfied, the focal length having a large evaluation value of the partial area determined earlier is set as the in-focus distance.
The imaging apparatus according to any one of claims 8 to 11, characterized in that.
前記決定部は、
前記部分領域のそれぞれについて求められる評価値から、所定範囲に含まれる焦点距離のそれぞれについて当該焦点距離で前記顔に合焦している程度である合焦度を、前記優先度が高い部分領域の評価値がそうでない評価値よりも強く反映されるように求め、
前記合焦度が大きい焦点距離を前記合焦距離とする、
ことを特徴とする請求項乃至12の何れか一項に記載の撮像装置。
The determination unit
From the evaluation values obtained for each of the partial areas, the degree of focus, which is the degree of focusing on the face at the focal distance for each of the focal distances included in the predetermined range, is determined for the partial areas with high priority. Ask the rating value to reflect more strongly than the other rating value,
The focal length having a large focus degree is set as the focus distance.
The imaging apparatus according to any one of claims 8 to 12, characterized in that.
前記焦点距離のうち、それぞれ異なる所定範囲に対応する複数のレンズ位置が定義され、
前記決定部は、
前記部分領域のそれぞれについて、前記評価値に基づき当該部分領域の像に合焦するレンズ位置である合焦位置を決定し、
前記複数のレンズ位置のそれぞれについて、当該レンズ位置を合焦位置として決定した部分領域の数である投票数を、前記優先度が大きい部分領域については割増しした上で求め、
前記複数のレンズ位置のうち、前記投票数が多いレンズ位置を、前記撮像のためのレンズ位置である決定位置として決定し、
前記撮像部は前記決定部が決定したレンズ位置で撮影することで、前記合焦距離に焦点を合わせて前記被写体を撮像する、
ことを特徴とする請求項乃至13の何れか一項に記載の撮像装置。
A plurality of lens positions corresponding to different predetermined ranges among the focal lengths are defined,
The determination unit
For each of the partial areas, determine a focus position that is a lens position to focus on the image of the partial area based on the evaluation value,
For each of the plurality of lens positions, the number of votes, which is the number of partial areas determined with the lens position as the in-focus position, is obtained after increasing for the partial areas with a high priority,
Of the plurality of lens positions, determine a lens position with a large number of votes as a determination position that is a lens position for the imaging,
The imaging unit captures the subject by focusing on the in-focus distance by shooting at the lens position determined by the determination unit.
The imaging apparatus according to any one of claims 8 to 13, characterized in that.
前記決定部は、
前記部分領域のそれぞれについて、所定範囲の焦点距離について求められる評価値の最大値を、当該部分領域の優先度が高いと大きくなるように補正した補正最大値を求め、
前記部分領域から、当該補正最大値が大きい部分領域を選別し、当該選別した部分領域の評価値が大きい焦点距離を前記合焦距離とする、
ことを特徴とする請求項乃至14の何れか一項に記載の撮像装置。
The determination unit
For each of the partial areas, find a maximum correction value obtained by correcting the maximum value of the evaluation value obtained for the focal length within a predetermined range so as to increase when the priority of the partial area is high,
From the partial area, the partial area having a large correction maximum value is selected, and a focal length having a large evaluation value of the selected partial area is set as the in-focus distance.
The imaging apparatus according to any one of claims 8 to 14, wherein the.
撮像部が撮像した撮像画像に含まれる特定の被写体の位置と大きさと向きを検出する検出処理と、A detection process for detecting the position, size, and orientation of a specific subject included in the captured image captured by the imaging unit;
前記検出処理により検出した前記特定の被写体の位置と大きさに対応させて、合焦用の評価値を求めるための評価領域の位置と大きさを定める領域定義処理と、An area definition process for determining the position and size of an evaluation area for obtaining an evaluation value for focusing in correspondence with the position and size of the specific subject detected by the detection process;
前記検出処理により検出した前記特定の被写体の向きに応じて、前記領域定義処理で定める前記評価領域の形状が矩形以外の形状となるように制御する制御処理と、A control process for controlling the shape of the evaluation area defined in the area definition process to be a shape other than a rectangle according to the orientation of the specific subject detected by the detection process;
を含むことを特徴とする撮像方法。An imaging method comprising:
撮像部を有する撮像装置を制御するコンピュータを、A computer for controlling an imaging apparatus having an imaging unit;
前記撮像部が撮像した撮像画像に含まれる特定の被写体の位置と大きさと向きを検出する検出部と、A detection unit that detects the position, size, and orientation of a specific subject included in the captured image captured by the imaging unit;
前記検出部が検出した前記特定の被写体の位置と大きさに対応させて、合焦用の評価値を求めるための評価領域の位置と大きさを定める領域定義部と、An area defining unit that determines the position and size of an evaluation area for obtaining an evaluation value for focusing in correspondence with the position and size of the specific subject detected by the detection unit;
前記検出部が検出した前記特定の被写体の向きに応じて、前記領域定義部が定める前記評価領域の形状が矩形以外の形状となるように制御する制御部と、A control unit that controls the shape of the evaluation region defined by the region definition unit to be a shape other than a rectangle according to the orientation of the specific subject detected by the detection unit;
して機能させることを特徴とするプログラム。A program characterized by making it function.
撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出処理と、When a captured image captured by the imaging unit includes a facial image, a detection process for detecting the facial image and a facial direction that is the orientation of the facial;
前記検出処理により検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義処理と、An area definition process for defining an evaluation area on the captured image based on the face direction, including an evaluation area for determining a focal distance for imaging a subject, including at least a part of a face image detected by the detection process;
を含み、Including
前記検出処理は、それぞれ異なる顔の向きに対応する複数の顔テンプレートを用いて、当該複数の顔テンプレートの何れかと類似度が高い前記撮像画像上の領域である顔領域を抽出することにより、前記顔方向を検出し、The detection process uses a plurality of face templates corresponding to different face orientations, and extracts a face area that is an area on the captured image that has a high similarity to any of the plurality of face templates. Detect face direction,
前記領域定義処理は、前記検出処理により抽出した顔領域を前記顔の両側から縮小した領域を、前記評価領域として定め、The area definition process defines an area obtained by reducing the face area extracted by the detection process from both sides of the face as the evaluation area,
前記領域定義処理により顔領域を縮小する率を、前記顔の向きが正面から離れるほど大きくなるように制御する、Controlling the rate of reducing the face area by the area definition process so that the orientation of the face becomes farther away from the front;
ことを特徴とする撮像方法。An imaging method characterized by the above.
撮像部を有する撮像装置を制御するコンピュータを、A computer for controlling an imaging apparatus having an imaging unit;
前記撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出部と、A detection unit that detects a face image and a face direction that is a direction of the face when a captured image captured by the imaging unit includes a face image;
前記検出部が検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義部と、An area defining unit that defines an evaluation area on the captured image based on the face direction, which includes an area for determining a focal length for capturing an image of a subject, including at least a part of a face image detected by the detection unit;
して機能させ、To function,
前記検出部は、それぞれ異なる顔の向きに対応する複数の顔テンプレートを用いて、当該複数の顔テンプレートの何れかと類似度が高い前記撮像画像上の領域である顔領域を抽出することにより、前記顔方向を検出し、The detection unit uses a plurality of face templates corresponding to different face orientations, and extracts a face region that is a region on the captured image that has a high similarity to any of the plurality of face templates. Detect face direction,
前記領域定義部は、前記検出部が抽出した顔領域を前記顔の両側から縮小した領域を、前記評価領域として定め、The region defining unit defines a region obtained by reducing the face region extracted by the detection unit from both sides of the face as the evaluation region,
前記領域定義部が顔領域を縮小する率を、前記顔の向きが正面から離れるほど大きくなるように制御する、Controlling the rate at which the area definition unit reduces the face area so that the orientation of the face increases as the distance from the front increases.
ことを特徴とするプログラム。A program characterized by that.
撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出処理と、When a captured image captured by the imaging unit includes a facial image, a detection process for detecting the facial image and a facial direction that is the orientation of the facial;
前記検出処理により検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義処理と、An area definition process for defining an evaluation area on the captured image based on the face direction, including an evaluation area for determining a focal distance for imaging a subject, including at least a part of a face image detected by the detection process;
前記領域定義処理により定めた評価領域内の複数の部分領域のそれぞれに対して、前記検出処理により検出した顔方向に基づいて3以上の複数段階からなる優先度を定める優先度定義処理と、A priority definition process for determining a priority of three or more stages based on the face direction detected by the detection process for each of a plurality of partial areas in the evaluation area determined by the area definition process;
前記部分領域のそれぞれについて求められる、当該部分領域の像に合焦している程度を示す評価値のうち、前記優先度定義処理により定めた優先度が高い部分領域の評価値を優先して用いて、前記顔に合焦する焦点距離である合焦距離として決定する決定処理と、Among the evaluation values indicating the degree of focusing on the image of the partial area obtained for each of the partial areas, the evaluation value of the partial area having a high priority determined by the priority definition process is used with priority. A determination process for determining the focal distance, which is a focal distance for focusing on the face;
を含むことを特徴とする撮像方法。An imaging method comprising:
撮像部を有する撮像装置を制御するコンピュータを、A computer for controlling an imaging apparatus having an imaging unit;
前記撮像部が撮像した撮像画像に顔の像が含まれている場合に、当該顔の像と、当該顔の向きである顔方向と、を検出する検出部と、A detection unit that detects a face image and a face direction that is a direction of the face when a captured image captured by the imaging unit includes a face image;
前記検出部が検出した顔の像の少なくとも一部を含む、被写体を撮像する焦点距離を定めるための領域である評価領域を、前記顔方向に基づいて前記撮像画像上に定める領域定義部と、An area defining unit that defines an evaluation area on the captured image based on the face direction, which includes an area for determining a focal length for capturing an image of a subject, including at least a part of a face image detected by the detection unit;
前記領域定義部が定めた評価領域内の複数の部分領域のそれぞれに対して、前記検出部が検出した顔方向に基づいて3以上の複数段階からなる優先度を定める優先度定義部と、A priority definition unit that determines priority of three or more stages based on the face direction detected by the detection unit for each of a plurality of partial regions in the evaluation region defined by the region definition unit;
前記部分領域のそれぞれについて求められる、当該部分領域の像に合焦している程度を示す評価値のうち、前記優先度定義部が定めた優先度が高い部分領域の評価値を優先して用いて、前記顔に合焦する焦点距離である合焦距離として決定する決定部と、Among the evaluation values indicating the degree of focusing on the image of the partial area obtained for each of the partial areas, the evaluation value of the partial area having a high priority determined by the priority definition unit is used with priority. A determination unit that determines a focal distance that is a focal distance for focusing on the face;
して機能させることを特徴とするプログラム。A program characterized by making it function.
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