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Table 2 Different dimensional measurement matrices Φ(t) for images (M/N = 0.5)

From: Low storage space for compressive sensing: semi-tensor product approach

Size of image (N × N)

t = 1

t = 2

t = 4

t = 8

t = 16

256 × 256

Φ 128×256

Φ 64×128

Φ 32×64

Φ 16×32

Φ 8×16

512 × 512

Φ 256×512

Φ 128×256

Φ 64×128

Φ 32×64

Φ 16×32