IMAGE PICKUP APPARATUS FOR STORING READING OUT AND PROCESSING A SIGNAL DURING PREDETERMINED TIME PERIODS
First Claim
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1. An image pickup apparatus comprising:
- vibration detection means for detecting vibration of a device;
motion detection means for detecting image motion from an image signal;
vibration correction means for correcting vibration of an image in accordance with one or both of output signals from said vibration detection means and said motion detection means;
signal processing means for calculating a correction target value to be supplied to said vibration correction means on the basis of a motion vector signal detected by said motion detection means; and
sampling period varying means for setting a sampling period of the correction target value calculated by said signal processing means to be shorter than a sampling period of the motion vector signal.
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Abstract
In a vibration correction apparatus for attaining vibration correction on the basis of motion information obtained by adding vibrations detected by an angular velocity sensor and vibrations detected from an image signal, the motion correction period based on the vibration information detected from the image signal is set to be shorter than the vibration detection period.
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Citations
30 Claims
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1. An image pickup apparatus comprising:
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vibration detection means for detecting vibration of a device;
motion detection means for detecting image motion from an image signal;
vibration correction means for correcting vibration of an image in accordance with one or both of output signals from said vibration detection means and said motion detection means;
signal processing means for calculating a correction target value to be supplied to said vibration correction means on the basis of a motion vector signal detected by said motion detection means; and
sampling period varying means for setting a sampling period of the correction target value calculated by said signal processing means to be shorter than a sampling period of the motion vector signal. - View Dependent Claims (2, 3, 8, 10)
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4. An image pickup apparatus comprising:
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vibration detection means for detecting vibration of a device;
motion detection means for detecting image motion from an image signal;
vibration correction means for correcting vibration of an image in accordance with one or both of output signals from said vibration detection means and said motion detection means;
signal processing means for calculating a correction target value for said vibration correction means on the basis of a motion vector signal detected by said motion detection means; and
sampling period varying means for setting a sampling period of the correction target value calculated by said signal processing means to be shorter than a sampling period of the motion vector signal, wherein a lens unit including said vibration correction means is exchangeably detachable from a camera body. - View Dependent Claims (5, 6, 7, 9)
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11. A lens unit detachable from an image pickup apparatus, comprising:
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vibration detection means for detecting vibration of said image pickup apparatus;
vibration correction means for correcting vibration of an image on the basis of one or both of a motion vector component in an image signal detected on the side of said image pickup apparatus, and an output signal from said vibration detection means;
signal processing means for calculating a correction target value of said vibration correction means on the basis of the motion vector; and
sampling period varying means for setting a sampling period of the correction target value calculated by said signal processing means to be shorter than a sampling period of the motion vector. - View Dependent Claims (12)
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13. A vibration correction apparatus comprising:
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motion vector detection means for detecting a motion vector component in an image signal;
vibration correction means for correcting vibration of an image;
signal processing means for calculating a correction target value for said vibration correction means on the basis of an output from said motion vector detection means; and
sampling period varying means for setting a sampling period of the correction target value output from said signal processing means to be shorter than a sampling period of the motion vector. - View Dependent Claims (14, 15)
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16. An image pickup apparatus comprising:
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an image pickup element;
rewritable storage means;
first signal processing means for processing a video signal from said image pickup element, and writing the processed video signal in said storage means at a first rate;
second signal processing means for reading out the video signal from said storage means at a second rate; and
function control means for controlling a function associated with imaging on the basis of a signal from said first signal processing means, wherein the first rate is set to be higher than the second rate. - View Dependent Claims (17, 18, 19, 20, 21)
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22. An image pickup apparatus comprising:
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an image pickup element;
rewritable storage means;
means for simultaneously reading out video signal components for two or more lines from said image pickup element;
first signal processing means for processing the simultaneously readout video signal components for two lines, and writing the processed video signal components in said storage means;
second signal processing means for reading out the video signal from said storage means; and
function control means for controlling a function associated with imaging on the basis of a signal from said first signal processing means. - View Dependent Claims (23, 24, 25, 26)
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27. A camera comprising:
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optical motion correction means for optically correcting motion of an image;
electronic motion correction means for electronically correcting the motion of the image;
electronic zoom means for electronically enlarging the image; and
control means for, when said electronic zoom means is inactive, controlling to selectively operate said optical motion correction means and said electronic motion correction means, and for, when said electronic zoom means is active, controlling to operate both said optical motion correction means and said electronic motion correction means. - View Dependent Claims (28, 29)
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30. A vibration correction apparatus comprising:
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vibration detection means for detecting vibration of a device as components in two orthogonal directions;
optical vibration correction means for optically correcting vibration of an image in accordance with an output signal from said vibration detection means;
a storage circuit for storing an image input from a solid-state image pickup element;
image motion detection means for detecting motion of an image between fields or frames of the image input from the solid-state image pickup element; and
storage circuit control means for controlling said storage circuit to attain electronic zooming in accordance with a command from system control means, and controlling reading of an image from said storage circuit in accordance with motion detected by said image motion detection means, wherein both electronic and optical vibration corrections are used during only electronic zooming.
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Specification