A digital image undergoes lossy compression using Discrete Cosine Transform (DCT). Which outcome arises from aggressively quantizing DCT coefficient matrices?

💡 Explanation

Aggressive quantization of DCT coefficients removes finer details in the frequency domain, leading to a smaller file size but introduces noticeable compression artifacts because it discards more information than needed. Therefore, reduced file size and visible artifacts appear, rather than improved fidelity or maintained detail.

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