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Table 8 Compression sizes and RMSE

From: A novel high-frequency encoding algorithm for image compression

Multiple 2D images

Total Original BMP file size

(MB)

Total original size as JPEG format at 100% High-quality

(MB)

Total Compressed size by our approach

(MB)

Quantization factor

According to the layers: [R, G, B] Block size

2D RMSE

Apple

336

52.4

0.929

[40,40,40] 16x16

9.5

Face

200.7

4.55

0.784

[11,30,30] 16 x 16

5.1

Ship

366

58.5

0.916

[20,30,30] 64x64

14.35