Mathematical Problems in Engineering / 2018 / Article / Tab 1

Research Article

Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation

Table 1

Image denoising results of five dictionary learning algorithms.

AlgorithmsTime/sPSNR/dBMSE

SGK17.37832.07777.470
DCT83.88431.079113.873
Global100.47931.73489.435
K-SVD284.18132.17172.383
BM3D12.25630.717119.478