Image processing apparatus and image processing method
First Claim
1. An image processing apparatus comprising:
- extraction means for setting, when a plurality of still image data of successive original images of the same format have been input, one of the plural still image data as reference image data, and extracting respective image correlation information of the plural still image data including the reference image data;
encoding means for encoding the image correlation information extracted by the extraction means into encoded data; and
output means for outputting the encoded data encoded by the encoding means and the reference image data.
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Abstract
When a plurality of image data are to be compressed, an image correlation information extraction unit extracts respective image correlation information of image data, using first image data as reference image data. An encoding unit compresses the extracted image correlation information to produce encoded data. A data output unit outputs the compressed data and the reference image data to a page memory. When the compressed data are to be restored, a data input unit supplies the image correlation data input from the page memory to an image correlation information decoding unit, and supplies the reference image data to an image restoring unit. The image correlation information decoding unit decodes the image correlation data into the respective image correlation information and supplies the image correlation information to the image restoring unit. The image restoring unit restores the plural image data from the respective image correlation information and the reference image data.
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Citations
18 Claims
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1. An image processing apparatus comprising:
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extraction means for setting, when a plurality of still image data of successive original images of the same format have been input, one of the plural still image data as reference image data, and extracting respective image correlation information of the plural still image data including the reference image data;
encoding means for encoding the image correlation information extracted by the extraction means into encoded data; and
output means for outputting the encoded data encoded by the encoding means and the reference image data. - View Dependent Claims (2, 3, 4, 5)
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6. An image processing apparatus comprising:
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input means for inputting encoded data formed by-encoding respective image correlation information between reference image data and a plurality of still image data;
decoding means for decoding the respective image correlation information from the encoded data input by the input means; and
image restoring means for restoring the plural still image data from the image correlation information decoded by the decoding means and the reference image data input by the input means. - View Dependent Claims (7, 8, 9)
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10. An image processing apparatus comprising:
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extraction means for setting, when a plurality of still image data of successive original images of the same format have been input, one of the plural still image data as reference image data, and extracting respective image correlation information of the plural still image data including the reference image data;
first encoding means for encoding the respective image correlation information extracted by the extraction means into first encoded data;
second encoding means for encoding the reference image data into second encoded data; and
output means for outputting the second encoded data encoded by the second encoding means and the first encoded data encoded by the first encoding means. - View Dependent Claims (11, 12, 13)
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14. An image processing apparatus comprising:
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input means for inputting first encoded data formed by encoding reference image data, and second encoded data formed by encoding respective image correlation information among a plurality of still image data;
first decoding means for decoding the reference image data from the first encoded data input by the input means;
second decoding means for decoding the respective image correlation information from the second encoded data input by the input means; and
image restoring means for restoring the plural still image data from the respective image correlation information decoded by the second decoding means and the reference image data decoded by the first decoding means. - View Dependent Claims (15, 16)
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17. An image processing method comprising the steps of:
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setting, when a plurality of still image data of successive original images of the same format have been input, one of the plural still image data as reference image data, and extracting respective image correlation information of the plural still image data including the reference image data;
encoding the extracted image correlation information into encoded data; and
outputting the encoded data and the reference image data.
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18. An image processing method comprising the steps of:
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inputting encoded data formed by encoding respective image correlation information between reference image data and a plurality of still image data;
decoding the respective image correlation information from the input encoded data; and
restoring the plural still image data from the decoded image correlation information and the reference image data.
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Specification