8x8 Matrix DCT Transformation with Quantization, Dequantization, and Inverse DCT Processing

Implementation of 8x8 matrix DCT transformation, quantization, inverse quantization, and inverse DCT transformation for image compression applications

8x8 Block-Based DCT Image Transformation with JPEG Quantization

Implementation of 8x8 block-based Discrete Cosine Transform (DCT) image processing, including JPEG quantization matrix-based quantization/dequantization and block-based image reconstruction; using a 512×512 8-bit/pixel test image and calculating PSNR for quality assessment