EURASIP Journal on Image and Video Processing

Table 2 PSNR comparison

From: Two-way partitioning of a recursive Gaussian filter in CUDA

Image size	Filter window	One-way vs.	FIR vs.	FIR vs.
	size	two-way	one-way	two-way
SD	3	29.4	26.2	29.7
	30	31.1	32.8	31.4
	90	29.5	33.4	29.4
HD	3	33.0	30.9	33.6
	30	30.6	39.7	30.8
	90	24.7	33.0	26.3
Full HD	3	30.5	26.6	29.2
	30	32.9	36.7	33.2
	90	30.1	34.8	31.4

PSNR between three images: non-recursive Gaussian filter (the basic Gaussian filter), one-way recursive Gaussian filter, and proposed two-way recursive Gaussian filter. Unit of the PSNR value is dB (decibel).

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