img_dist_ssim.c File Reference

Compute structural similarity (SSIM) index using the encoded image and the reference image. More...

#include "contributors.h"
#include "global.h"
#include "img_distortion.h"
#include "enc_statistics.h"

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Functions
float	compute_ssim (ImageParameters *p_Img, InputParameters *p_Inp, imgpel **refImg, imgpel **encImg, int height, int width, int win_height, int win_width, int comp)
void	find_ssim (ImageParameters *p_Img, InputParameters *p_Inp, ImageStructure *ref, ImageStructure *src, DistMetric *metricSSIM)

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Detailed Description

Compute structural similarity (SSIM) index using 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>
• Zhen Li <zli@dolby.com>
• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file img_dist_ssim.c.

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Function Documentation

void find_ssim	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		ImageStructure *	ref,
		ImageStructure *	src,
		DistMetric *	metricSSIM
	)

Find SSIM for all three components.

Definition at line 97 of file img_dist_ssim.c.

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

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