img_distortion.c File Reference

Compute distortion for encoded image. More...

#include <math.h>
#include <time.h>
#include "global.h"
#include "refbuf.h"
#include "mbuffer.h"
#include "img_luma.h"
#include "img_chroma.h"
#include "intrarefresh.h"
#include "fmo.h"
#include "sei.h"
#include "memalloc.h"
#include "nalu.h"
#include "ratectl.h"
#include "mb_access.h"
#include "md_distortion.h"
#include "output.h"
#include "context_ini.h"
#include "conformance.h"
#include "enc_statistics.h"
#include "q_matrix.h"
#include "q_offsets.h"
#include "quant4x4.h"
#include "quant8x8.h"
#include "wp.h"
#include "input.h"
#include "image.h"
#include "img_distortion.h"
#include "img_dist_snr.h"
#include "img_dist_ssim.h"
#include "img_dist_ms_ssim.h"
#include "cconv_yuv2rgb.h"

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Functions
void	accumulate_metric (float *ave_metric, float cur_metric, int frames)
void	accumulate_average (DistMetric *metric, int frames)
void	accumulate_avslice (DistMetric *metric, int slice_type, int frames)
void	find_distortion (ImageParameters *p_Img, InputParameters *p_Inp, ImageData *imgData)
void	select_img (ImageParameters *p_Img, InputParameters *p_Inp, ImageStructure *imgSRC, ImageStructure *imgREF, ImageData *imgData)
void	compute_distortion (ImageParameters *p_Img, InputParameters *p_Inp, ImageData *imgData)

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Detailed Description

Compute distortion for encoded 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_distortion.c.

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Function Documentation

void accumulate_average	(	DistMetric *	metric,
		int	frames
	)

Accumulate distortion for all components.

Definition at line 69 of file img_distortion.c.

References accumulate_metric(), distortion_metric::average, and distortion_metric::value.

Referenced by find_ms_ssim(), find_snr(), and find_ssim().

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void accumulate_avslice	(	DistMetric *	metric,
		int	slice_type,
		int	frames
	)

Accumulate distortion for all components for slice_type.

Definition at line 82 of file img_distortion.c.

References accumulate_metric(), distortion_metric::avslice, and distortion_metric::value.

Referenced by find_ms_ssim(), find_snr(), and find_ssim().

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void accumulate_metric	(	float *	ave_metric,
		float	cur_metric,
		int	frames
	)

Metric accumulator.

Definition at line 58 of file img_distortion.c.

Referenced by accumulate_average(), and accumulate_avslice().

void find_distortion	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		ImageData *	imgData
	)

Find distortion for all three components.

Definition at line 95 of file img_distortion.c.

References compute_SSE(), storable_picture::imgUV, img_par::imgUV_com, storable_picture::imgY, img_par::imgY_com, inp_par_enc::output, img_par::pCurImg, img_par::structure, and YUV400.

Referenced by distortion_fld(), and frame_picture().

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