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 digital images;
inputting the captured digital images into a computer system;
generating from said input digital images, a corresponding sequence of archival images and a corresponding sequence of display images;
automatically applying a first stabilization path to reduce jitter in the sequence of archival images and stabilizing said archival image sequence to provide a stabilized archival image sequence;
automatically applying a second stabilization path to reduce jitter in the sequence of display images and 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.
81 Citations
27 Claims
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1. An image sequence stabilization method comprising the steps of:
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capturing a sequence of digital images; inputting the captured digital images into a computer system; generating from said input digital images, a corresponding sequence of archival images and a corresponding sequence of display images; automatically applying a first stabilization path to reduce jitter in the sequence of archival images and stabilizing said archival image sequence to provide a stabilized archival image sequence; automatically applying a second stabilization path to reduce jitter in the sequence of display images and 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)
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15. An image sequence stabilization method comprising the steps of:
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capturing a sequence of images; inputting the captured sequence of images into a computer system; replicating said image sequence to provide a first copy and a second copy; automatically applying a first stabilization path to reduce jitter in the first copy of images and digitally stabilizing said first copy to provide a display sequence; automatically applying a second stabilization path to reduce jitter in the second copy of images and 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 (16, 17, 18, 19)
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20. 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 applying a first stabilization path to reduce jitter in the sequence of the first copy of images and digitally stabilizing said first copy to provide a display sequence and for automatically applying a second stabilization path to reduce jitter in the sequence of the second copy of images and 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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21. 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 applying a first stabilization path to reduce jitter in the sequence of display images and 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; and wherein said control unit has an archival sequence stabilizer applying a second stabilization path to reduce jitter in the archival image sequence and stabilizing said archival image sequence independent of said stabilizing of said display image sequence. - View Dependent Claims (22, 23, 24, 25)
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26. An image sequence stabilization method comprising the steps of:
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capturing a sequence of input images; inputting the captured input images into a computer system; 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; applying the jitter correction to a sequence of archival images to provide a stabilized archival image sequence; and applying the jitter correction to a sequence of display images to provide a differently stabilized display image sequence from said stabilized archival images. - View Dependent Claims (27)
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Specification