Interactive Refocusing of Electronic Images
First Claim
Patent Images
1. A method of refocusing a digital photographic image comprising a plurality of pixels, the method comprising:
- computing a set of images corresponding to a scene in the digital photographic image, wherein each image comprises an image of the scene at a distinct focal depth;
identifying refocus depths for at least a subset of the pixels;
storing the refocus depths in a look-up table; and
refocusing at least a portion of the digital photographic image at a desired refocus depth determined from the look-up table.
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Abstract
A method is performed to refocus a digital photographic image comprising a plurality of pixels. In the method, a set of images is computed corresponding to the digital photographic image and focused at different depths. Refocus depths for at least a subset of the pixels are identified and stored in a look-up table. At least a portion of the digital photographic image is refocused at a desired refocus depth determined from the look-up table.
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Citations
29 Claims
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1. A method of refocusing a digital photographic image comprising a plurality of pixels, the method comprising:
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computing a set of images corresponding to a scene in the digital photographic image, wherein each image comprises an image of the scene at a distinct focal depth; identifying refocus depths for at least a subset of the pixels; storing the refocus depths in a look-up table; and refocusing at least a portion of the digital photographic image at a desired refocus depth determined from the look-up table. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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21. A method of refocusing a digital photographic image of a scene, the method comprising:
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compiling a set of digital photographic images, wherein each image comprises an image of the scene at a distinct focal depth; identifying refocus depths for regions within the scene; storing the refocus depths in a look-up table; and refocusing at least a portion of an image from the set at a desired refocus depth determined from the look-up table. - View Dependent Claims (20)
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22. A method of refocusing a digital photographic image, the method comprising:
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displaying the image at a first focal depth; displaying a slider icon, the slider icon having a first position corresponding to the first focal depth; interactively receiving input to move the slider icon to a second position corresponding to a second focal depth; and in response to the received input, refocusing the image at the second focal depth. - View Dependent Claims (23)
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24. A method of refocusing a digital photographic image, the method comprising:
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displaying the image at a first focal depth; displaying an icon to select a position in the image; interactively receiving input to modify the image by refocusing at least a portion of the image to a second focal depth corresponding to the selected position; and in response to the received input, displaying the modified image. - View Dependent Claims (25, 28, 29)
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- 26. The method of claim 26, wherein the selected position corresponds to an object in the image, the object having a focal depth corresponding to the second focal depth.
Specification