A Novel Three-Layer QR Code Based on Secret Sharing Scheme and Liner Code

Table 4

Results of the general image processing operations.

	Three-layer QR code
Compression	Q = 0	Q = 45	Q = 90	Q = 100
Distorted QR code
QR content	Readable	Readable	Readable	Readable
Secret	Decodable	Decodable	Decodable	Decodable
	Three-layer QR code
Clipping	This paper	Reference [5]	Reference [8]	Reference [16]
Distorted QR code
QR content	Readable	Unreadable	Unreadable	Unreadable
	Three-layer QR code
Gaussian noise	This paper (μ = 0, δ^2 = 0.1)	This paper (μ = 0, δ^2 = 0.2)	This paper (μ = 0, δ^2 = 0.4)	Reference [18] (μ = 0, δ^2 = 0.4)
Distorted QR code
QR content	Readable	Readable	Unreadable	Unreadable
Secret	Decodable	Decodable	Decodable	Undecodable
	Three-layer QR code
Distortion
Distorted QR code
QR content	Readable	Readable	Readable	Readable
Secret	Decodable	Decodable	Decodable	Decodable
	Three-layer QR code
Rotation
Distorted QR code
QR content	Readable	Readable	Readable	Readable
Secret	Decodable	Decodable	Decodable	Decodable