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Abstract

In an image processing apparatus, a first random number seed generation circuit generates a first random number seed corresponding to the line number. An image compression circuit generates compressed data by quantizing addition data acquired by adding up of first image data and a first pseudo random number generated based on the first random number seed and a quantization coefficient. A second random number seed generation circuit generates a second random number seed that corresponds to the line number and is equal to the first random number seed. An image decompression circuit generates decompressed data by dequantizing the compressed data using a quantization coefficient, and generates second image data by subtracting a second pseudo random number equal to the first pseudo random number, which is generated based on the second random number seed and the quantization coefficient, from the decompressed data.

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First Claim