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Table 2 Comparison of proposed architecture with the existing works

From: Cost-effective multi-standard video transform core using time-sharing architecture

Methods

[7]

[8]

[9]

[13]

[15]

Proposed

Technology (nm)

90

180

180

130

FPGA

90

Method/architecture

Two 1-D + TMEM

Two 1-D + TMEM

Two 1-D + TMEM

Two 1-D + TMEM

One 1-D + TMEM

Two 1-D + TMEM

Supports standards

MPEG

X

V

V

V

V

V

 

H.264

X

V

V

V

V

V

 

VC-1

X

V

V

V

X

V

 

HEVC

V

X

X

X

X

O

Gate counts (K)

347

95.1

120

31.8

50

27.2

Frequency (MHz)

187

125

125

136

80

200

Normalized freq.

187

364

364

178

N/A

200 MHz

Throughput (G-pels/s)

6.00

1.00

1.00

> 0.05

0.64

0.80

Nor. throughput

6.00

2.91

2.91

> 0.07

N/A

0.8 GPS

Hardware efficiency (103 pels/s-gate)

17.2

10.5

8.3

> 1.4

12.8

28.4

Nor. hardware efficiency (103 pels/s-gate)

17.2

30.6

24.3

> 2.1

N/A

29.5