Pixel interpolation device and pixel interpolation method, and image processing device, and program and recording medium

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United States of America Patent

PATENT NO 11748852
SERIAL NO

16973041

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Abstract

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A first group of interpolation calculators performing interpolation by mean preserving interpolation calculation, and a second group of interpolation calculators performing interpolation by interpolation other than the mean preserving interpolation calculation are provided. Each of the interpolation calculators performs interpolation calculation for the missing pixel to calculate an interpolation candidate value (M(h)), and calculates test interpolation values (M(t)) treating pixels in a vicinity of the missing pixel as test pixels. A decider (4) selects one of the plurality of interpolation calculators based on results of the test interpolation. An outputter (5) selects the interpolation candidate value outputted from the interpolation calculator selected by the decider (4), among the plurality of interpolation candidate values (M(h)), and outputs the selected interpolation candidate value. Interpolation can be performed such that the interpolated pixel does not look unnatural, and yet the storage capacity and the data processing amount that are required are relatively small.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008310 ?1008310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Toru Tokyo, JP 98 718
Asamura, Masako Tokyo, JP 32 221
Kurihara, Kohei Tokyo, JP 16 56
Sugano, Miki Tokyo, JP 4 2
Suzuki, Daisuke Tokyo, JP 280 2087
Toyoda, Yoshitaka Tokyo, JP 30 231

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