Skip to main content

Table 8 α k comparison and execution time - Partial Fourier Matrix

From: Computable performance guarantees for compressed sensing matrices

\(\underset {(m \times n)}{A}\)

Algo.

α 1

α 2

α 3

α 4

α 5

k max d

(a) α k comparison

20 × 40

Pick-1

0.19

0.39

0.59

0.78

0.98

2/2.0

 

Pick-2

0.19

0.36

0.55

0.73

0.91

2/2.2

 

Pick-3

0.19

0.36

0.47

0.64

0.80

3/2.7

 

1-Step TSA

0.19

0.36

0.47

0.61

0.70

3/2.7

 

2-Step TSA

0.19

0.36

0.47

0.61

0.70

3/2.7

 

3-Step TSA

0.19

0.36

0.47

0.61

0.70

3/2.7

 

LPa

0.19

0.39

0.59

0.78

0.98

2/2.0

 

SDPb

0.19

0.39

0.59

0.78

0.98

2/2.0

 

ESMc

0.19

0.36

0.47

0.61

0.70

3/2.7

24 × 40

Pick-1

0.15

0.31

0.47

0.62

0.78

3/2.8

 

Pick-2

0.15

0.27

0.42

0.55

0.69

3/3.0

 

Pick-3

0.15

0.27

0.38

0.51

0.64

3/3.4

 

1-Step TSA

0.15

0.27

0.38

0.49

0.59

4/3.5

 

2-Step TSA

0.15

0.27

0.38

0.49

0.59

4/3.5

 

3-Step TSA

0.15

0.27

0.38

0.49

0.59

4/3.5

 

LP

0.15

0.31

0.47

0.62

0.78

3/2.8

 

SDP

0.15

0.31

0.47

0.62

0.78

3/2.8

 

ESM

0.15

0.27

0.38

0.49

0.59

4/3.5

28 × 40

Pick-1

0.12

0.25

0.37

0.50

0.62

4/3.6

 

Pick-2

0.12

0.23

0.35

0.47

0.58

4/4.0

 

Pick-3

0.12

0.23

0.32

0.44

0.54

4/4.0

 

1-Step TSA

0.12

0.23

0.32

0.41

0.50

4/4.0

 

2-Step TSA

0.12

0.23

0.32

0.41

0.50

4/4.1

 

3-Step TSA

0.12

0.23

0.32

0.41

0.50

4/4.1

 

LP

0.12

0.25

0.37

0.50

0.62

4/3.6

 

SDP

0.12

0.25

0.37

0.50

0.62

4/3.6

 

ESM

0.12

0.23

0.32

0.41

0.50

4/4.1

32 × 40

Pick-1

0.09

0.19

0.29

0.38

0.48

5/4.7

 

Pick-2

0.09

0.17

0.27

0.36

0.44

5/4.7

 

Pick-3

0.09

0.17

0.25

0.35

0.43

5/4.7

 

1-Step TSA

0.09

0.17

0.25

0.33

0.39

5/4.7

 

2-Step TSA

0.09

0.17

0.25

0.33

0.39

5/4.7

 

3-Step TSA

0.09

0.17

0.25

0.33

0.39

5/4.7

 

LP

0.09

0.19

0.29

0.38

0.48

5/4.7

 

SDP

0.09

0.19

0.29

0.38

0.48

5/4.7

 

ESM

0.09

0.17

0.25

0.37

0.39

5/4.7

(b) Execution time (Unit: second)

20 × 40

Pick-1

0.31

0.31

0.31

0.31

0.31

 
 

Pick-2

0.31

10.85

10.85

10.85

10.85

 
 

Pick-3

0.31

10.85

260.41

260.41

260.41

 
 

1-Step TSA

0.47

9.72

70.57

329.28

3.60e3

 
 

2-Step TSA

0.47

11.97

18.54

45.18

3.36e3

 
 

3-Step TSA

0.47

11.97

291.29

297.45

633.12

 
 

LP

0.49

0.77

0.53

0.59

0.51

 
 

SDP

33.93

2.34e3

2.65e3

2.91e3

2.60e3

 
 

ESM

0.31

10.85

260.41

4.1e3

6.0e4

 

24 × 40

Pick-1

0.39

0.39

0.39

0.39

0.39

 
 

Pick-2

0.39

11.51

11.51

11.51

11.51

 
 

Pick-3

0.39

11.51

302.86

302.86

302.86

 
 

1-Step TSA

0.48

12.12

76.21

407.67

2.77e3

 
 

2-Step TSA

0.48

12.52

21.46

107.00

1.83e3

 
 

3-Step TSA

0.48

12.52

306.43

426.17

1.36e3

 
 

LP

0.62

0.56

0.66

0.59

0.58

 
 

SDP

41.13

2.39e3

2.66e3

2.63e3

2.56e3

 
 

ESM

0.39

11.51

302.86

4.5e3

6.4e4

 

28 × 40

Pick-1

0.43

0.43

0.43

0.43

0.43

 
 

Pick-2

0.43

13.29

13.29

13.29

13.29

 
 

Pick-3

0.43

13.29

341.05

341.05

341.05

 
 

1-Step TSA

0.50

8.70

31.53

272.68

731.90

 
 

2-Step TSA

0.50

12.99

16.85

47.45

544.79

 
 

3-Step TSA

0.50

12.99

317.40

410.47

553.67

 
 

LP

0.65

0.67

0.71

0.67

0.75

 
 

SDP

40.51

2.17e3

2.29e3

2.80e3

2.63e3

 
 

ESM

0.43

13.29

341.05

4.7e3

6.5e4

 

32 × 40

Pick-1

0.57

0.57

0.57

0.57

0.57

 
 

Pick-2

0.57

17.24

17.24

17.24

17.24

 
 

Pick-3

0.57

17.24

385.26

385.26

385.26

 
 

1-Step TSA

0.52

6.39

22.35

101.67

451.62

 
 

2-Step TSA

0.52

13.38

18.65

49.46

372.35

 
 

3-Step TSA

0.52

13.38

326.40

476.55

1.02e3

 
 

LP

0.86

0.89

0.78

0.75

0.76

 
 

SDP

46.51

2.41e3

2.62e3

2.53e3

2.75e3

 
 

ESM

0.57

17.24

385.26

4.8e3

6.8e4

 
  1. aLinear programming [8]
  2. bSemidefinite programming [3]
  3. cExhaustive search method
  4. dMedian/arithmetic mean