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
31 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, 20, 21, 22)
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23. A system for refocusing a digital photographic image comprising a plurality of pixels, the system comprising:
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a processor, configured to perform the operations of; 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; and identifying refocus depths for at least a subset of the pixels; a storage device, communicatively coupled to the processor, configured to store the refocus depths in a look-up table; and a refocusing module, communicatively coupled to the storage device, configured to refocus at least a portion of the digital photographic image at a desired refocus depth determined from the look-up table. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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Specification