Question: Q28-18 Explain why the combination of quantization /dequantization steps in JPEG is a lossy process even though we divide each element of the matrix M

Q28-18 Explain why the combination of quantization /dequantization steps in JPEG is a lossy process even though we divide each element of the matrix M by the corresponding value in matrix Q when quantizing and multiply it by the same value when dequantizing .

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