Metadata-Driven Method and Apparatus for Constraining Solution Space in Image Processing Techniques
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Abstract
Methods and apparatus for constraining solution space in image processing techniques may use the metadata for a set of images to constrain an image processing solution to a smaller solution space. In one embodiment, a process may require N parameters for processing an image. A determination may be made from metadata that multiple images were captured with the same camera/lens and with the same settings. A set of values may be estimated for the N parameters from data in one or more of the images. The process may then be applied to each of images using the set of values. In one embodiment, a value for a parameter of a process may be estimated for an image. If the estimated value deviates substantially from a value for the parameter in the metadata, the metadata value is used in the process instead of the estimated value.
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Citations
44 Claims
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1-24. -24. (canceled)
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25. A computer-implemented method, comprising:
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estimating, from image content of an image, a value for a parameter to be used in a digital image processing technique when applied to the image; obtaining, from metadata corresponding to the image, a value for the parameter determined when capturing the image; determining that a difference between the estimated value for the parameter and the value for the parameter obtained from the metadata exceeds a threshold; and applying the digital image processing technique to the image to generate an output image, the value for the parameter obtained from the metadata is used in the digital image processing technique instead of the estimated value in response to the determining that the different exceeds the threshold. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A system comprising:
one or more processing modules instantiated on one or more computer systems, the one or more processing modules configured to; determine that a difference between an estimated value for a parameter estimated from image content of an image and a value for the parameter obtained from metadata corresponding to the image exceeds a threshold; and responsive to the determination that the difference between the estimated value and the value obtained from the metadata exceeds the threshold, apply a digital image processing technique to the image to generate an output image using the value for the parameter obtained from the metadata instead of the estimated value. - View Dependent Claims (36, 37, 38, 39)
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40. One or more computer-readable storage media comprising instructions stored thereon that, responsive to execution by a computer system, causes the computer system to perform operations comprising:
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determining that a difference between an estimated value for a parameter estimated from image content of an image and a value for the parameter obtained from metadata corresponding to the image exceeds a threshold; and applying a digital image processing technique to the image to generate an output image using the value for the parameter obtained from the metadata instead of the estimated value responsive to the determination. - View Dependent Claims (41, 42, 43, 44)
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Specification