JP2016122030A5 - Zoom control device, imaging device, control method for zoom control device, and control program for zoom control device - Google Patents
Zoom control device, imaging device, control method for zoom control device, and control program for zoom control device Download PDFInfo
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- JP2016122030A5 JP2016122030A5 JP2014260112A JP2014260112A JP2016122030A5 JP 2016122030 A5 JP2016122030 A5 JP 2016122030A5 JP 2014260112 A JP2014260112 A JP 2014260112A JP 2014260112 A JP2014260112 A JP 2014260112A JP 2016122030 A5 JP2016122030 A5 JP 2016122030A5
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- 238000003384 imaging method Methods 0.000 title claims 5
- 239000000203 mixture Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 15
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Description
本発明に係る装置は、画像から被写体像を検出する被写体検出手段と、複数の構図の中から特定の構図を自動で選択する構図選択手段と、前記画像における前記被写体像の位置を取得する第１の処理と、前記画像の画角に対して水平方向または垂直方向にて前記被写体像の位置が占める比率を算出する第２の処理とを行う算出手段と、前記被写体検出手段により複数の被写体像が検出された場合、前記複数の被写体像に対して、前記算出手段が前記第２の処理で算出した被写体像ごとの前記比率を判定して、前記画像の画角に対して水平方向または垂直方向にて最も周辺に位置する被写体像の位置が占める比率を決定する判定手段と、前記構図選択手段により選択された構図と、前記判定手段により決定された比率と、前記被写体検出手段により検出された前記複数の被写体像から選択される主被写体像のサイズから、ズーム倍率の制御に用いる被写体像の基準サイズを設定する設定手段と、前記設定手段により設定された基準サイズに基づいて、前記被写体検出手段により検出される被写体像のサイズの変化に応じて前記ズーム倍率の制御を行う制御手段と、を有する。 Apparatus according to the present invention, first obtains a subject detecting means for detecting a subject image from the image, and composition selection means for automatically selecting a specific composition from a plurality of composition, the position of the object image in the image A calculation unit that performs a first process and a second process that calculates a ratio of the position of the subject image in a horizontal direction or a vertical direction with respect to the angle of view of the image; and a plurality of subjects by the subject detection unit When an image is detected, the calculation unit determines the ratio for each subject image calculated in the second process with respect to the plurality of subject images, and the horizontal direction or the angle of view of the image Determination means for determining a ratio occupied by the position of the subject image located closest to the periphery in the vertical direction, the composition selected by the composition selection means, the ratio determined by the determination means, and the subject detection means Setting means for setting a reference size of the subject image used for controlling the zoom magnification from the size of the main subject image selected from the plurality of detected subject images, and based on the reference size set by the setting means Control means for controlling the zoom magnification according to a change in the size of the subject image detected by the subject detection means.
Claims (14)
複数の構図の中から特定の構図を自動で選択する構図選択手段と、
前記画像における前記被写体像の位置を取得する第１の処理と、前記画像の画角に対して水平方向または垂直方向にて前記被写体像の位置が占める比率を算出する第２の処理とを行う算出手段と、
前記被写体検出手段により複数の被写体像が検出された場合、前記複数の被写体像に対して、前記算出手段が前記第２の処理で算出した被写体像ごとの前記比率を判定して、前記画像の画角に対して水平方向または垂直方向にて最も周辺に位置する被写体像の位置が占める比率を決定する判定手段と、
前記構図選択手段により選択された構図と、前記判定手段により決定された比率と、前記被写体検出手段により検出された前記複数の被写体像から選択される主被写体像のサイズから、ズーム倍率の制御に用いる被写体像の基準サイズを設定する設定手段と、
前記設定手段により設定された基準サイズに基づいて、前記被写体検出手段により検出される被写体像のサイズの変化に応じて前記ズーム倍率の制御を行う制御手段と、を有することを特徴とするズーム制御装置。 Subject detection means for detecting a subject image from the image;
Composition selecting means for automatically selecting a specific composition from a plurality of compositions;
A first process of acquiring a position of the object image in the image, performs a second process for calculating the ratio occupied by the position of the object image in the horizontal or vertical direction with respect to the angle of view of the image A calculation means;
When a plurality of subject images are detected by the subject detection unit, the calculation unit determines the ratio for each subject image calculated in the second process with respect to the plurality of subject images, and Determination means for determining a ratio occupied by the position of the subject image located closest to the angle of view in the horizontal or vertical direction;
The zoom magnification is controlled from the composition selected by the composition selection means, the ratio determined by the determination means, and the size of the main subject image selected from the plurality of subject images detected by the subject detection means. Setting means for setting a reference size of the subject image to be used;
Zoom control, comprising: control means for controlling the zoom magnification according to a change in the size of the subject image detected by the subject detection means based on the reference size set by the setting means. apparatus.
前記判定手段は、前記算出手段により算出された複数の比率から最大の比率を、前記画像の画角に対して最も周辺に位置する被写体像の位置が占める比率として決定することを特徴とする請求項１または２に記載のズーム制御装置。 The calculating unit calculates a ratio of the positions of the plurality of subject images in the horizontal direction or the vertical direction with respect to the angle of view of the image in the second processing;
The determination means determines a maximum ratio from a plurality of ratios calculated by the calculation means as a ratio occupied by a position of a subject image located closest to the angle of view of the image. Item 3. The zoom control device according to Item 1 or 2.
前記判定手段は、前記画像の画角に対して水平方向において前記被写体像の位置が占める比率と、前記画像の画角に対して垂直方向において前記被写体像の位置が占める比率とを比較して、大きい方の比率を決定することを特徴とする請求項１または２に記載のズーム制御装置。 The calculation means calculates a ratio of the position of the subject image in the horizontal direction and the vertical direction with respect to the angle of view of the image in the second process,
The determination means compares the ratio of the position of the subject image in the horizontal direction with respect to the angle of view of the image to the ratio of the position of the subject image in the direction perpendicular to the angle of view of the image. The zoom control apparatus according to claim 1, wherein the larger ratio is determined.
被写体像を光電変換して画像を生成する撮像手段と、
レンズの駆動または画像処理によりズーム倍率を変更するズーム手段を備え、
前記制御手段は前記ズーム手段を制御し、前記設定手段により設定された前記基準サイズに基づいて、前記被写体検出手段により検出される被写体像のサイズの変化に応じてズーム倍率を制御することを特徴とする撮像装置。 A zoom control device according to any one of claims 1 to 9,
Imaging means for photoelectrically converting a subject image to generate an image;
Comprising zoom means for changing the zoom magnification by driving the lens or image processing;
The control means controls the zoom means, and controls a zoom magnification according to a change in the size of the subject image detected by the subject detection means based on the reference size set by the setting means. An imaging device.
前記算出手段は、前記比率を算出する際に、前記複数の画像のうち水平方向および垂直方向ごとに画像のサイズが最も小さいサイズを用いて前記比率を算出することを特徴とする請求項１０に記載の撮像装置。 It has a mode to record multiple images with different aspect ratios,
The calculation unit according to claim 10, wherein, when calculating the ratio, the ratio is calculated using a size having the smallest image size for each of a horizontal direction and a vertical direction among the plurality of images. The imaging device described.
画像から検出された被写体像の検出情報を取得する取得ステップと、
複数の構図の中から特定の構図を自動で選択する構図選択ステップと、
前記画像における前記被写体像の位置を取得する第１の処理を行うステップと、
前記画像の画角に対して水平方向または垂直方向にて前記被写体像の位置が占める比率を算出する第２の処理を行うステップと、
前記取得ステップにより取得された検出情報において複数の被写体像が検出された場合、前記複数の被写体像に対して、前記第２の処理で算出された被写体像ごとの前記比率を判定し、前記画像の画角に対して水平方向または垂直方向にて最も周辺に位置する被写体像の位置が占める比率を決定する判定ステップと、
前記構図選択ステップにより選択された構図と、前記判定ステップにより決定された前記比率と、前記複数の被写体像から選択される主被写体像のサイズから、ズーム倍率の制御に用いる被写体像の基準サイズを設定する設定ステップと、
前記設定ステップにより設定された基準サイズに基づいて、前記取得ステップにより取得される検出情報が示す被写体像のサイズの変化に応じてズーム倍率を制御する制御ステップと、を有することを特徴とするズーム制御装置の制御方法。 A control method executed by a zoom control device,
An acquisition step of acquiring detection information of the subject image detected from the image;
A composition selection step for automatically selecting a specific composition from a plurality of compositions;
Performing a first process of acquiring a position of the object image in the image,
A second processing line Usu step of calculating the ratio occupied by the position of the object image in the horizontal or vertical direction with respect to the angle of view of said image,
If multiple object images are detected in the detection information acquired by said acquisition step, wherein for a plurality of object images, to determine the percentage of each pre-Symbol subject image calculated in the second process, the A determination step of determining a ratio occupied by the position of the subject image located in the most peripheral position in the horizontal direction or the vertical direction with respect to the angle of view of the image;
Based on the composition selected in the composition selection step, the ratio determined in the determination step, and the size of the main subject image selected from the plurality of subject images, a reference size of the subject image used for zoom magnification control is determined. A setting step to set;
And a control step of controlling a zoom magnification according to a change in the size of the subject image indicated by the detection information acquired by the acquisition step based on the reference size set by the setting step. Control method of the control device.
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