JP2015222925A5

JP2015222925A5 -

Info

Publication number: JP2015222925A5
Application number: JP2014107406A
Authority: JP
Filing date: 2014-05-23
Publication date: 2017-06-22
Anticipated expiration: 2034-05-23

Claims

A shake detecting means for detecting a shake based on the angular velocity information and generating a shake signal;
A motion vector detection means for detecting a motion vector based on an imaging signal generated by imaging the subject in the second imaging mode in imaging of the subject in the first imaging mode by the imaging element;
A first shake correction means for correcting the blur of the Utsushitai image optically,
Second blur correction means for electronically correcting blur of the subject image;
Based on the blur signal, a first correction amount for correcting blur of the subject image is determined, and the first blur correction unit is controlled in accordance with the first correction amount to correct blur of the subject image. First blur correction control means to perform;
Based on the motion vector, a second correction amount for correcting the blur of the subject is determined, and the second blur correction unit is controlled according to the second correction amount to correct the blur of the subject image. Second blur correction control means;
With
In the first imaging mode, the first blur correction control unit and the second blur correction control unit correct blur of the subject image, and the first blur correction control unit performs the first blur correction control unit. A blur correction apparatus that corrects blur of the subject image according to a correction amount and the second correction amount.

The first imaging mode is a mode for capturing a still image of the subject image, the second imaging mode is a mode for capturing a moving image of the subject image, and a frame rate of the second imaging mode. 2 is larger than the frame rate of the first imaging mode.

The second blur correction control means includes means for feeding back a correction amount obtained by multiplying the second correction amount by a predetermined gain to the first blur correction control means, and the first blur correction control means. The correction of blur of the subject image is performed by controlling the first blur correction unit according to the first correction amount and the correction amount fed back from the second blur correction control unit. The blur correction device according to 1 or 2.

The first blur correction control means includes means for adding the first correction amount and the correction amount fed back from the second blur correction control means, and the first blur correction control means has the first correction amount fed back based on the added correction amount. The blur correction apparatus according to claim 3, wherein one blur correction unit is driven.

The blur correction apparatus according to claim 3, wherein the predetermined gain is a gain that is variably set according to a shutter speed in capturing the subject image.

The blur correction apparatus according to claim 3, wherein the predetermined gain is a gain that is variably set according to a state of a release switch.

The blur correction apparatus according to claim 3, wherein the predetermined gain is a gain that is variably set according to a focal length of the subject image.

The frame rate of the second imaging mode is a frame rate that is variably set, and the predetermined gain is a gain that is variably set according to the frame rate of the second imaging mode. Item 5. The blur correction device according to Item 3 or 4.

The motion vector detecting means is means for determining a motion vector corresponding to blurring of the subject image from motion vectors detected based on an imaging signal of the subject image generated by imaging in the second imaging mode. The blur correction apparatus according to claim 1, further comprising: determining the second correction amount based on the determined motion vector.

The first blur correction unit includes a unit that optically changes an imaging position of the subject image, and the second blur correction unit is generated by imaging in the first imaging mode. 10. The blur correction apparatus according to claim 1, further comprising means for changing a reading position of the imaging signal of the subject image from the memory.

An imaging unit that captures a subject image formed by the imaging optical system by photoelectric conversion to generate an imaging signal, and the imaging unit is configured to capture an image in the first imaging mode and an imaging in the second imaging mode. Output simultaneously the imaging signal of the subject image generated in
A shake detecting means for detecting a shake based on the angular velocity information and generating a shake signal;
Motion vector detection means for detecting a motion vector based on an imaging signal of the subject image generated by imaging in the second imaging mode;
First blur correction means for optically correcting blur of the subject image;
Second blur correction means for electronically correcting blur of the subject image;
Based on the blur signal, a first correction amount for correcting blur of the subject image is determined, and the first blur correction unit is controlled in accordance with the first correction amount to correct blur of the subject image. First blur correction control means to perform;
Based on the motion vector, a second correction amount for correcting the blur of the subject image is determined, and the second blur correction unit is controlled according to the second correction amount to correct the blur of the subject image. Second blur correction control means to perform;
A memory for storing an imaging signal of the subject image generated by imaging in the first imaging mode;
With
In the first imaging mode, the first blur correction control unit and the second blur correction control unit correct blur of the subject image, and the first blur correction control unit performs the first blur correction control unit. An image pickup apparatus that corrects blurring of the subject image according to a correction amount and the second correction amount.

The first imaging mode is a mode for capturing a still image of the subject image, the second imaging mode is a mode for capturing a moving image of the subject image, and the imaging means is a second imaging mode. The imaging apparatus according to claim 11, wherein an imaging signal of the subject image generated by imaging in the mode is read out at a higher frame rate than imaging in the first imaging mode.

The imaging apparatus according to claim 12, wherein the frame rate of the second imaging mode is a variably set frame rate.

The first blur correction unit includes a unit that optically changes an imaging position of the subject image formed by the imaging optical system, and the second blur correction unit includes an imaging signal from the memory. The imaging apparatus according to claim 11, further comprising a unit that changes a read position of the image pickup apparatus.

The second blur correction control means includes means for feeding back a correction amount obtained by multiplying the second correction amount by a predetermined gain to the first blur correction control means, and the first blur correction control means. 12. The correction of blur of the subject image is performed by controlling the first blur correction unit according to the first correction amount and the correction amount fed back from the second blur correction control unit. 15. The imaging device according to any one of 1 to 14.

The first blur correction control means includes means for adding the first correction amount and the correction amount fed back from the second blur correction control means, and the first blur correction control means has the first correction amount based on the added correction amount. The blur correction device according to claim 15, wherein the blur correction unit is driven.

A blur detection unit that detects a blur based on the angular velocity information and generates a blur signal, and an image of the subject in the first imaging mode by the imaging device, is generated by imaging the subject in the second imaging mode. motion vector detection means for detecting a motion vector based on the imaging signal, a first shake correction means for correcting the blur of the Utsushitai image optically, the blur of the subject image second electronically corrected A control method of a shake correction apparatus having a shake correction means,
Based on the blur signal, a first correction amount for correcting blur of the subject image is determined, and the first blur correction unit is controlled in accordance with the first correction amount to correct blur of the subject image. A first blur correction control step to be performed;
Based on the motion vector, a second correction amount for correcting the blur of the subject image is determined, and the second blur correction unit is controlled according to the second correction amount to correct the blur of the subject image. A second blur correction control step to be performed;
With
In the first imaging mode, the first blur correction control step and the second blur correction control step correct blur of the subject image, and the first blur correction control step includes the first blur correction control step. A control method, wherein blur correction of the subject image is performed according to a correction amount and the second correction amount.

A program for causing a computer to execute the control method of claim 17.

A computer-readable storage medium storing a program for causing a computer to execute the control method according to claim 17.