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Table 3 The PSNRs of frame accumulated image and its mean image and the single-channel image processed by the conventional filtering method

From: A Preprocessing Algorithm Based on Heterogeneity Detection for Transmitted Tissue Image

Image PSNR/dB
Mean filtered image 24.1376
Gaussian filtered image 24.5873
Mean and Gaussian filtered image 24.2158
Frames cumulative averaged image 25.0075
100 frames of accumulated image 57.3278