Image sequence stabilization method and camera having dual path image sequence stabilization
First Claim
Patent Images
1. An image sequence stabilization method comprising the steps of:
- capturing a sequence of input digital images;
generating from said input digital images, a corresponding sequence of archival images and a corresponding sequence of display images;
automatically stabilizing said archival image sequence to provide a stabilized archival image sequence;
automatically stabilizing said display image sequence differently than said stabilizing of said archival images to provide a stabilized display image sequence.
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Abstract
In an image sequence stabilization method and a camera, a sequence of input digital images are captured. The sequence of input digital images is replicated to provide a corresponding sequence of archival images and a corresponding sequence of display images. The archival image sequence is automatically stabilized to provide a stabilized archival image sequence. The display image sequence is automatically stabilized to provide a stabilized display image sequence. The stabilization methods used for the two sequences are different, although both can be digital.
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Citations
29 Claims
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1. An image sequence stabilization method comprising the steps of:
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capturing a sequence of input digital images;
generating from said input digital images, a corresponding sequence of archival images and a corresponding sequence of display images;
automatically stabilizing said archival image sequence to provide a stabilized archival image sequence;
automatically stabilizing said display image sequence differently than said stabilizing of said archival images to provide a stabilized display image sequence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An image sequence stabilization method comprising the steps of:
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capturing a sequence of images;
replicating said image sequence to provide a first copy and a second copy;
automatically digitally stabilizing said first copy to provide a display sequence;
automatically digitally stabilizing said second copy differently than said first copy to provide an archival sequence;
displaying said display sequence concurrent with said capturing. - View Dependent Claims (17, 18, 19, 20)
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21. An image sequence stabilization system comprising:
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means for capturing a sequence of images;
means for replicating said image sequence to provide a first copy and a second copy;
means for automatically digitally stabilizing said first copy to provide a display sequence and for automatically digitally stabilizing said second copy differently than said first copy to provide an archival sequence;
a display displaying said display sequence concurrent with said capturing;
an encoder automatically compressing said archival sequence.
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22. A camera comprising:
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an electronic imager capturing a sequence of input images;
a replicator replicating said sequence of input images to provide an archival image sequence and a display image sequence;
memory storing said archival image sequence;
a control unit receiving said display image sequence, said control unit having a display sequence stabilizer stabilizing said display image sequence to provide a stabilized display image sequence; and
a display displaying said stabilized display image sequence during said capturing;
wherein said control unit automatically deletes said display image sequence following said displaying. - View Dependent Claims (23, 24, 25, 26, 27)
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28. An image sequence stabilization method comprising the steps of:
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capturing a sequence of input images;
computing a plurality of non-overlapping, horizontal partial projection vectors of each of first and second input images of said sequence;
computing a plurality of non-overlapping, vertical partial projection vectors of each of said first and second input images of said sequence;
evaluating respective said horizontal partial projection vectors of said first and second images to determine a jitter component in a horizontal direction;
evaluating respective said vertical partial projection vectors of said first and second images to determine a jitter component in a vertical direction; and
determining a jitter correction from said jitter components. - View Dependent Claims (29)
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Specification