img_dist_snr.c File Reference

Compute signal to noise ratio (SNR) between the encoded image and the reference image. More...

#include "contributors.h"
#include <math.h>
#include "enc_statistics.h"
#include "global.h"
#include "img_distortion.h"
#include "md_distortion.h"

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Functions
void	find_snr (ImageParameters *p_Img, InputParameters *p_Inp, ImageStructure *imgREF, ImageStructure *imgSRC, DistMetric *metricSSE, DistMetric *metricPSNR)

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Detailed Description

Compute signal to noise ratio (SNR) between the encoded image and the reference image.

Author:

Main contributors (see contributors.h for copyright, address and affiliation details)

• Woo-Shik Kim <wooshik.kim@usc.edu>
• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file img_dist_snr.c.

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Function Documentation

void find_snr	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		ImageStructure *	imgREF,
		ImageStructure *	imgSRC,
		DistMetric *	metricSSE,
		DistMetric *	metricPSNR
	)

Find SNR for all three components.

Definition at line 30 of file img_dist_snr.c.

References accumulate_average(), accumulate_avslice(), compute_SSE(), distortion_metric::value, and YUV400.

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