Image processing apparatus capable of performing image shake correction, image pickup apparatus, and control method

An image pickup apparatus comprising an image pickup unit configured to perform photoelectric conversion of an object light and output a signal relating to a video image and serving as an image processing apparatus;

• wherein the image processing apparatus includes at least one processor or circuit configured to perform the operations of following unit:
• a temporary storage unit configured to temporarily store a video image including a (N-M)-th frame;
• an output control unit configured to output a video image of frames up to N-th frame and later than the (N-M)-th frame, to a first signal path and output a video image of the N-M)-th frame that is temporary stored in the temporary storage unit to a second signal path;
• a first correction amount calculating unit configured to calculate a first correction amount used for correcting an image shake relating to the video image of the (N-M)-th frame based on the video image of the frames up to N-th frame and later than the (N-M)-th frame, output to the first signal path;
• a first image shake correction unit configured to correct the image shake relating to the video image of the (N-M)-th frame by cutting out a predetermined region from the video image of the (N-M)-th frame based on the first correction amount;
• and
• a recording unit configured to record the (N-M)-th frame, the image shake of which is corrected by the first image shake correction unit;
• wherein the first signal path is connected to a display unit configured to display a video image for confirmation on a main body of the image processing apparatus.

A control method of an image processing apparatus comprising a temporary storage unit configured to temporarily store a video image including a (N-M)-th frame,

• wherein the method comprises:
• outputting a video image of frames up to N-th frame and later than the (N-M)-th frame, to a first signal path and outputting a video image of the (N-M)-th frame frame that is temporarily stored in the temporary storage unit to a second signal path;
• calculating a first correction amount used for correcting an image shake relating to the video image of the (N-M)-th frame based on the video image of the frames up to N-th frame and later than the (N-M)-th frame, output to the first signal path;
• and
• correcting an image shake relating to the video image of the (N-M)-th frame by cutting out a predetermined region from the video image of the (N-M)-th frame based on the first correction amount;
• recording the (N-M)-th frame, the image shake of which is corrected by the first image shake correction unit;
• wherein the first signal path is connected to a display unit configured to display a video image for confirmation on a main body of the image processing apparatus.

An image processing apparatus includes at least one processor or circuit configured to perform the operations of following units:

• a temporary storage unit configured to temporarily store a video image including any number of frames;
• an output control unit configured to output a video image of a first frame to a first signal path, and output a video image of a second frame that is a frame earlier than the first frame that is temporarily stored in the temporary storage unit to a second signal path;
• a first correction amount calculating unit configured to calculate a first correction amount used for correcting an image shake relating to the video image of the second frame based on the video image of the first frame output to the first signal path;
• and
• a first image shake correction unit configured to correct the image shake relating to the video image of the second frame by cutting out a predetermined region from the video image of the second frame based on the first correction amount,
• wherein the image processing apparatus further comprises;
• a switching unit configured to switch the first image shake correction unit between active or inactive, and
• a time difference control unit configured to control a time difference between a frame to be output to the first signal path and a frame to be output to the second signal path, wherein:
• if the switching unit switches the first image shake correction unit to be active, the time difference control unit provides the time difference between the frame to be output to the first signal path and the frame to be output to the second signal path, and
• if the switching unit switches the first image shake correction unit to be inactive, the time difference control unit eliminates the time difference between the frame to be output to the first signal path and the frame to be output to the second signal path.

An image pickup apparatus comprising an image pickup unit configured to perform photoelectric conversion of an object light and output a signal relating to a video image and serving as an image processing apparatus;

• wherein the image processing apparatus includes at least one processor or circuit configured to perform the operations of following units:
• a temporary storage unit configured to temporarily store a video image including any number of frames;
• an output control unit configured to output a video image of a first frame to a first signal path and output a video image of a second frame that is a frame earlier than the first frame that is temporary stored in the temporary storage unit to a second signal path;
• a first correction amount calculating unit configured to calculate a first correction amount used for correcting an image shake relating to the video image of the second frame based on the video image of the first frame output to the first signal path;
• and
• a first image shake correction unit configured to correct the image shake relating to the video image of the second frame by cutting out a predetermined region from the video image of the second frame based on the first correction amount,
• wherein the image pickup apparatus further includes;
• a switching unit configured to switch the first image shake correction unit between active or inactive, and
• a time difference control unit configured to control a time difference between a frame to be output to the first signal path and a frame to be output to the second signal path, wherein:
• if the switching unit switches the first image shake correction unit to be active, the time difference control unit provides the time difference between the frame to be output to the first signal path and the frame to be output to the second signal path, and
• if the switching unit switches the first image shake correction unit to be inactive, the time difference control unit eliminates the time difference between the frame to be output to the first signal path and the frame to be output to the second signal path.

A control method of an image processing apparatus comprising a temporary storage unit configured to temporarily store a video image including any number of frames,

• wherein the method comprises:
• outputting a video image of a first frame to a first signal path and outputting a video image of a second frame that is a frame earlier than the first frame that is temporarily stored in the temporary storage unit to a second signal path;
• calculating a first correction amount used for correcting an image shake relating to the video image of the second frame based on the video image of the first frame output to the first signal path;
• and
• correcting an image shake relating to the video image of the second frame by cutting out a predetermined region from the video image of the second frame based on the first correction amount,
• wherein the method further comprises;
• switching the correction of the image shake between active or inactive, and
• controlling a time difference between a frame to be output to the first signal path and a frame to be output to the second signal path, wherein:
• if the image shake correction is switched to be active, the time difference is provided between the frame to be output to the first signal path and the frame to be output to the second signal path, and
• if the image shake correction is switched to be inactive, the time difference control unit eliminates the time difference between the frame to be output to the first signal path and the frame to be output to the second signal path.

An image processing apparatus includes at least one processor or circuit configured to perform the operations of following units:

• a temporary storage unit configured to temporarily store a video image including any number of frames;
• an output control unit configured to output a video image of a first frame to a first signal path, and output a video image of a second frame that is a frame earlier than the first frame that is temporarily stored in the temporary storage unit to a second signal path;
• a first correction amount calculating unit configured to calculate a first correction amount used for correcting an image shake relating to the video image of the second frame based on the video image of the first frame output to the first signal path;
• and
• a first image shake correction unit configured to correct the image shake relating to the video image of the second frame by cutting out a predetermined region from the video image of the second frame based on the first correction amount,
• wherein the image processing apparatus further comprises:
• a second correction amount calculating unit configured to calculate a second correction amount used for correcting the image shake relating to the video image of the first frame based on the video image of the first frame output to the first signal path;
• and
• a second image shake correction unit configured to correct the image shake relating to the video image of the first frame by cutting out a predetermined region from the video image of the first frame based on the second correction amount, wherein:
• if the first image shake correction unit is switched to be active, the second image shake correction unit is also set to be active, and
• if the first image shake correction unit is switched to be inactive, the second image shake correction unit is also set to be inactive.

An image pickup apparatus comprising an image pickup unit configured to perform photoelectric conversion of an object light and output a signal relating to a video image and serving as an image processing apparatus;

• wherein the image processing apparatus includes at least one processor or circuit configured to perform the operations of following units:
• a temporary storage unit configured to temporarily store a video image including any number of frames;
• an output control unit configured to output a video image of a first frame to a first signal path and output a video image of a second frame that is a frame earlier than the first frame that is temporary stored in the temporary storage unit to a second signal path;
• a first correction amount calculating unit configured to calculate a first correction amount used for correcting an image shake relating to the video image of the second frame based on the video image of the first frame output to the first signal path;
• and
• a first image shake correction unit configured to correct the image shake relating to the video image of the second frame by cutting out a predetermined region from the video image of the second frame based on the first correction amount,
• wherein the image pickup apparatus comprises:
• a second correction amount calculating unit configured to calculate a second correction amount used for correcting the image shake relating to the video image of the first frame based on the video image of the first frame output to the first signal path;
• and
• a second image shake correction unit configured to correct the image shake relating to the video image of the first frame by cutting out a predetermined region from the video image of the first frame based on the second correction amount, wherein:
• if the first image shake correction unit is switched to be active, the second image shake correction unit is also set to be active, and
• if the first image shake correction unit is switched to be inactive, the second image shake correction unit is also set to be inactive.

A control method of an image processing apparatus comprising a temporary storage unit configured to temporarily store a video image including any number of frames,

• wherein the method comprises:
• outputting a video image of a first frame to a first signal path and outputting a video image of a second frame that is a frame earlier than the first frame that is temporarily stored in the temporary storage unit to a second signal path;
• calculating a first correction amount used for correcting an image shake relating to the video image of the second frame based on the video image of the first frame output to the first signal path;
• and
• correcting an image shake relating to the video image of the second frame by cutting out a predetermined region from the video image of the second frame based on the first correction amount,
• wherein the method further comprises;
• switching the correction of the image shake between active or inactive, and
• controlling a time difference between a frame to be output to the first signal path and a frame to be output to the second signal path, wherein:
• if the image shake correction is switched to be active, the time difference is provided between the frame to be output to the first signal path and the frame to be output to the second signal path, and
• if the image shake correction is switched to be inactive, the time difference control unit eliminates the time difference between the frame to be output to the first signal path and the frame to be output to the second signal path.