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Table 2 The SSIM of each method for removing text coverage

From: Image restoration based on sparse representation using feature classification learning

  BSCB TV DCT K-SVD NLPB Proposed method
Baboon 0.97555 0.98609 0.98811 0.98882 0.98466 0.98918
Barbara 0.98398 0.99249 0.99375 0.99494 0.99337 0.99528
Cameraman 0.98559 0.99226 0.99166 0.99436 0.99253 0.99502
Couple 0.98407 0.99180 0.99268 0.99424 0.99130 0.99450
House 0.98791 0.99525 0.99427 0.99570 0.99543 0.99681
Lena 0.98283 0.99183 0.99184 0.99447 0.99186 0.99462