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Researchers aim to reduce "bitstream expansion," often citing specific bit counts (e.g., reductions of 1038 to 2243 bits) to prove the efficiency of their methods. Typical Research Workflow

Modifying quantized DCT coefficients to hold secret data or metadata. 1_038.jpeg

The content typically visualizes the transition from an uncompressed RGB image to the YCbCr color space, followed by Discrete Cosine Transform (DCT) and quantization. Researchers aim to reduce "bitstream expansion

Plotting PSNR (Peak Signal-to-Noise Ratio) against payload size to measure quality. 1_038.jpeg