Image protection apparatus, imaging apparatus, and program
First Claim
1. An image protection apparatus, comprising:
- a set-state determining unit that determines a set state regarding a protection function for an image; and
a protection process unit that, when the protection function is determined by the set-state determining unit to be in a valid state, selectively performs lossless coding of a specified image region of an input image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region.
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Abstract
An image protection apparatus includes (a) a set-state determining unit that determines a set state regarding a protection function for an image, and (b) a protection process unit that, when the protection function is determined by the set-state determining unit to be in a valid state, selectively performs lossless coding of a specified image region of an input image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region. Thereby, the conversion can be performed to the state making it difficult the image verification by a third person. In addition, when posterior verification of an image is necessary, the image can be played back to an original image.
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Citations
17 Claims
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1. An image protection apparatus, comprising:
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a set-state determining unit that determines a set state regarding a protection function for an image; and
a protection process unit that, when the protection function is determined by the set-state determining unit to be in a valid state, selectively performs lossless coding of a specified image region of an input image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region. - View Dependent Claims (2, 3, 4, 5)
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6. An image protection apparatus, comprising:
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a set-state determining unit that determines a set state regarding a protection function for an image; and
a protection canceling unit that, when the protection function is determined by the set-state determining unit to have been cancelled, performs decoding of an image region of an input image, which image region has undergone lossless coding to be a state making it difficult to be verified, to an original state in accordance with a decoding method corresponding to a lossless coding method. - View Dependent Claims (7)
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8. An imaging apparatus, comprising:
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an image output unit that converts an imaged image acquirable by imaging a subject to output an image;
a set-state determining unit that determines a set state regarding a protection function for an image; and
a protection process unit that, when the protection function is determined by the set-state determining unit to be in a valid state, selectively performs lossless coding of a specified image region of an output image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region.
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9. An imaging apparatus, comprising:
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an image output unit that converts an imaged image acquirable by imaging a subject to output an image;
a set-state determining unit that determines a set state regarding a protection function for an image; and
a protection canceling unit that, when the protection function is determined by the set-state determining unit to have been cancelled, selectively performs decoding of an image region of the image output from the image output unit, thereby to perform playback of an image in a decoded portion to an original state.
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10. An image protection method, comprising the steps of:
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determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to be in a valid state, selectively performing lossless coding of a specified image region of an input image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region.
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11. An image protection method, comprising the steps of:
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determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to have been cancelled, performing decoding of an image region of an input image, which image region has undergone lossless coding to be a state making it difficult to be verified, to an original state in accordance with a decoding method corresponding to a lossless coding method.
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12. An imaging method, comprising the steps of:
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converting an imaged image acquirable by imaging a subject to output an image;
determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to be in a valid state, selectively performing lossless coding of a specified image region of an output image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region.
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13. An imaging method, comprising the steps of:
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converting an imaged image acquirable by imaging a subject to output an image;
determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to have been cancelled, selectively performs decoding of an image region of the image output from the image output unit, thereby to perform playback of an image in a decoded portion to an original state.
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14. A program for causing a computer to execute processing, comprising the steps of:
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determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to be in a valid state, selectively performing lossless coding of a specified image region of an input image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region.
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15. A program for causing a computer to execute processing, comprising the steps of:
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determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to have been cancelled, performing decoding of an image region of an input image, which image region has undergone lossless coding to be a state making it difficult to be verified, to an original state in accordance with a decoding method corresponding to a lossless coding method.
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16. A program for causing a computer to execute processing, comprising the steps of:
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converting an imaged image acquirable by imaging a subject to output an image;
determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to be in a valid state, selectively performing lossless coding of a specified image region of an output image, thereby to perform a conversion to a state making it difficult to verify an image in a portion corresponding to the specified image region.
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17. A program for causing a computer to execute processing, comprising the steps of:
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converting an imaged image acquirable by imaging a subject to output an image;
determining a set state regarding a protection function for an image; and
when the protection function is determined by the step of determining to have been cancelled, selectively performs decoding of an image region of the image output from the image output unit, thereby to perform playback of an image in a decoded portion to an original state.
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Specification