cuEstimateStats.cu File Reference

Estimate the statistics of the correlation surface. More...

#include "cuArrays.h"
#include "float2.h"
#include <cfloat>
#include "cudaUtil.h"
#include "cudaError.h"
#include "cuAmpcorUtil.h"
#include <iostream>
#include <iomanip>
#include <cmath>
#include <limits>

Functions
__global__ void	cudaKernel_estimateSnr (const float *corrSum, const int *corrValidCount, const float *maxval, float *snrValue, const int size)
void	cuEstimateSnr (cuArrays< float > *corrSum, cuArrays< int > *corrValidCount, cuArrays< float > *maxval, cuArrays< float > *snrValue, cudaStream_t stream)
	Estimate the signal to noise ratio (SNR) of the correlation surface.
__global__ void	cudaKernel_estimateVar (const float *corrBatchRaw, const int NX, const int NY, const int2 *maxloc, const float *maxval, const int templateSize, float3 *covValue, const int size)
void	cuEstimateVariance (cuArrays< float > *corrBatchRaw, cuArrays< int2 > *maxloc, cuArrays< float > *maxval, int templateSize, cuArrays< float3 > *covValue, cudaStream_t stream)
	Estimate the variance of the correlation surface.

Detailed Description

Estimate the statistics of the correlation surface.

9/23/2017, Minyan Zhong

Function Documentation

cuEstimateSnr()

void cuEstimateSnr	(	cuArrays< float > *	corrSum,
		cuArrays< int > *	corrValidCount,
		cuArrays< float > *	maxval,
		cuArrays< float > *	snrValue,
		cudaStream_t	stream )

Estimate the signal to noise ratio (SNR) of the correlation surface.

Parameters

[in]	corrSum	the sum of the correlation surface
[in]	corrValidCount	the number of valid pixels contributing to sum
[out]	snrValue	return snr value
[in]	stream	cuda stream

cuEstimateVariance()

void cuEstimateVariance	(	cuArrays< float > *	corrBatchRaw,
		cuArrays< int2 > *	maxloc,
		cuArrays< float > *	maxval,
		int	templateSize,
		cuArrays< float3 > *	covValue,
		cudaStream_t	stream )

Estimate the variance of the correlation surface.

Parameters

[in]	templateSize	size of reference chip
[in]	corrBatchRaw	correlation surface
[in]	maxloc	maximum location
[in]	maxval	maximum value
[out]	covValue	variance value
[in]	stream	cuda stream