JP2017111430A5

JP2017111430A5 -

Info

Publication number: JP2017111430A5
Application number: JP2016218297A
Authority: JP
Filing date: 2016-11-08
Publication date: 2019-12-26
Anticipated expiration: 2036-11-08

Description

本発明の一実施形態に係る制御装置は、振れ検出手段により検出される振れ検出信号を取得して画像ブレの補正量を算出し、前記画像ブレを補正する像ブレ補正手段を制御する補正制御手段と、撮像画像内の被写体の位置を検出し、前記撮像画像内の被写体の位置情報を取得する被写体検出手段と、前記被写体検出手段により取得された前記被写体の位置情報に基づいて、前記被写体の追尾制御を行う追尾制御手段と、前記追尾制御手段による追尾制御の対象とする被写体が選択可能な選択可能モードを設定する設定手段と、を備え、前記補正制御手段は、前記選択可能モードに設定されていない第１の状態における像ブレ補正効果よりも、前記選択可能モードが設定されて、被写体を選択することができる第２の状態における像ブレ補正効果が高くなるように前記補正量を算出することを特徴とする。
A control device according to one embodiment of the present invention includes a correction control that obtains a shake detection signal detected by a shake detection unit, calculates a correction amount of the image shake, and controls an image shake correction unit that corrects the image shake. and means to detect the position of the subject in an imaging image, a subject detecting means for obtaining position information of the subject in the IMAGING image, based on the position information of the object obtained by the object detecting means, includes a tracking control means for tracking control of the object, and a setting means for the object of interest of the tracking control is to set the selectable modes selectable by said tracking control means, the correction control means, said selectable than the image blur correction effect in the first state is not set to the mode, the selectable mode is set, image blur correction effect in a second state in which it is possible to select a subject Characterized that you calculate the correction amount such increases.

Claims

A correction control unit that obtains a shake detection signal detected by the shake detection unit, calculates a correction amount of the image blur, and controls an image blur correction unit that corrects the image blur,
A subject detecting means for detecting the position of the subject in an imaging image, to obtain position information of the subject in the IMAGING image,
Tracking control means for performing tracking control of the subject based on the position information of the subject obtained by the subject detection means;
Setting means for setting a selectable mode in which a subject to be tracked by the tracking control means can be selected .
Said correction control means, than the image blur correction effect in the first state is not set in the selectable mode, the selectable mode is set, image blur in a second state in which it is possible to select a subject control device comprising a Turkey to calculate the correction amount such correction effect becomes higher.

The plurality of control states include a third state in which a subject to be tracked is selected and tracking control is performed,
The control device according to claim 1, wherein the correction control unit makes the image blur correction effect in the third state higher than the image blur correction effect in the second state.

A correction control unit that obtains a shake detection signal detected by the shake detection unit, calculates a correction amount of the image blur, and controls an image blur correction unit that corrects the image blur,
Subject detection means for detecting the position of the subject in the captured image and acquiring positional information of the subject in the captured image;
Tracking control means for performing tracking control of the subject based on the position information of the subject obtained by the subject detection means;
Setting means for setting a selectable mode in which a subject to be tracked by the tracking control means can be selected.
The correction control unit sets the selectable mode and sets the object to be selected more than the image blur correction effect in the second state in which the selectable mode is set and the object is not selected. 3. The control device according to claim 3, wherein the correction amount is calculated such that the image blur correction effect in the state 3 is increased.

When the correction control unit obtains the shake detection signal, determines panning or tilting, changes the characteristic for calculating the correction amount based on the determination result, and determines that panning or tilting is performed. Performing control to change the degree of the image blur correction effect by performing a process of shifting the correction amount to the center of the control range more than when it is determined that panning or tilting is not performed. The control device according to claim 1, wherein:

A correction control unit that obtains a shake detection signal detected by the shake detection unit, calculates a correction amount of the image blur, and controls an image blur correction unit that corrects the image blur,
A subject detecting means for detecting the position of the subject in an imaging image, to obtain position information of the subject in the IMAGING image,
Based on the position information of the object obtained by the object detecting means, and a tracking control means for performing tracking control of the object by moving the position of the subject within the IMAGING image,
The control device, wherein the correction control means changes a degree of an image blur correction effect based on detection information of the subject by the subject detection means.

A determination unit configured to determine whether the subject has been detected,
The correction control unit acquires the determination information by the determination unit, and performs the image blur correction effect in a state where the subject is determined to be detected, in a state where it is determined that the subject is not detected. The control device according to claim 5, wherein control is performed to make the effect higher than the image blur correction effect.

Comparing the detected reliability of the image of the subject with a threshold value, the reliability determining means for determining the reliability of the image of the subject,
The correction control unit is configured to determine, based on a determination result by the reliability determination unit, an image blur correction effect when the reliability is equal to or greater than the threshold, than an image blur correction effect when the reliability is smaller than the threshold. The control device according to claim 5, wherein the control is performed to increase the pressure.

8. The image processing apparatus according to claim 1, wherein the correction control unit includes a filter for calculating the correction amount, and changes a degree of the image blur correction effect by changing a characteristic of the filter. The control device according to item 1.

The tracking control unit moves the position of the subject in the captured image to reduce a distance between the position of the subject in the captured image and a position set in the captured image in advance. Performs tracking control of the subject,
The correction control means may set the distance between the position of the subject and the preset position to be smaller than the threshold when the distance between the position of the subject and the preset position is smaller than a threshold. The control device according to any one of claims 1 to 8, wherein control for reducing the image blur correction effect in the above case is performed.

Determining means for determining whether or not the tracking control of the subject is possible;
When it is determined that the tracking control of the subject is not possible by the determination unit, a warning instruction unit that issues an instruction to issue a warning,
The control device according to any one of claims 1 to 9, further comprising:

A correction control unit that obtains a shake detection signal detected by the shake detection unit, calculates a correction amount of the image blur, and controls an image blur correction unit that corrects the image blur,
Subject detection means for detecting the position of the subject image in the captured image and acquiring positional information of the subject in the captured image;
Tracking control means for performing tracking control of the subject by moving the position of the subject image in the captured image based on the position information of the subject obtained by the subject detection means;
Determining means for determining whether or not the subject can be tracked;
A control device comprising: a warning instruction unit that issues an instruction to issue a warning when the determination unit determines that tracking of the subject image is not possible.

A movable unit for shifting a position of the subject in the captured image,
12. The control device according to claim 11, wherein the determination unit determines that tracking of the subject is not possible when a correction amount for driving the movable unit exceeds a threshold.

The determining unit is not in a state where the tracking of the subject is possible when a state where the position of the subject image in the captured image is separated from a preset position by a predetermined distance or more continues for a predetermined time or more. The control device according to claim 11, wherein:

The determination means determines that the tracking of the subject is not possible when the reliability that the subject image in the captured image is the subject image to be tracked is smaller than a threshold. 14. The control device according to any one of items 11 to 13.

The determining means determines that it is not in a state in which the tracking target object can be tracked when the tracking target object has not been detected since the tracking target object has been detected. The control device according to any one of claims 11 to 14, wherein the control device is a control device.

16. The control device according to claim 11, wherein the determination unit determines whether or not the subject can be tracked based on a magnitude of a shake of the control device.

A movable unit for shifting a position of the subject in the captured image,
The tracking control unit calculates a tracking correction amount that is a correction amount of the movable unit necessary to move the subject to a position set in the captured image in advance, and controls the movable unit to calculate the tracking correction amount. 17. The control device according to claim 1, wherein the control unit tracks a subject.

An image sensor for imaging a subject;
A control device according to any one of claims 1 to 17 ,
The subject detection unit, an imaging apparatus characterized that you detect the position of the subject in the captured image captured by the imaging device.