Skip to main content

Table 5 Proposed image compression and decompression applied to 2D images

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

Image name

Original image size

(MB)

Our approach

Our Approach

JPEG2000

JPEG

Block size used by DCT

Compressed image size (KB)

Bit rate/Pixel

2D RMSE

2D RMSE

2D RMSE

X-ray

0.588

\( 8\times 8 \)

10

1.66E-5

5.0

3.2

11.88

Eye

9

\( 64\times 64 \)

14.2

4.51E-6

4.89

4.1

15.3

Girl

2.25

\( 16\times 16 \)

21.2

2.69E-5

10.48

6.4

21.1

Cell

8.5

\( 64\times 64 \)

9.8

3.26E-6

4.2

2.5

16

Baby

3

\( 32\times 32 \)

18.3

1.74E-5

5.3

3.5

15.5