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Searched
refs:Gxx
(Results
1 - 2
of
2
) sorted by null
/external/opencv/cv/src/
cvlkpyramid.cpp
455
double
Gxx
= 0, Gxy = 0, Gyy = 0, D = 0, minEig = 0;
553
Gxx
= Gyy = Gxy = 0;
568
Gxx
+= ix[x] * ix[x];
574
D =
Gxx
* Gyy - Gxy * Gxy;
583
minEig = (Gyy +
Gxx
- sqrt((
Gxx
-Gyy)*(
Gxx
-Gyy) + 4.*Gxy*Gxy))/(2*jsz.height*jsz.width);
592
my = (float) ((
Gxx
* by - Gxy * bx) * D);
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/packages/apps/Camera/jni/feature_stab/db_vlvm/
db_feature_detection.cpp
215
/*Filter vertically five rows of derivatives of length chunk_width into
gxx
,gxy,gyy*/
216
inline void db_gxx_gxy_gyy_row_f(float *
gxx
,float *gxy,float *gyy,int chunk_width,
257
gxx
[c]=Ixx0+Ixx1*4.0f+Ixx2*6.0f+Ixx3*4.0f+Ixx4;
263
/*Filter vertically five rows of derivatives of length 128 into
gxx
,gxy,gyy*/
362
/*Filter horizontally the three rows
gxx
,gxy,gyy into the strength subrow starting at i,j
363
and with width chunk_width.
gxx
,gxy and gyy are assumed to be four pixels wider than chunk_width
365
inline void db_HarrisStrength_row_f(float **s,float *
gxx
,float *gxy,float *gyy,int i,int j,int chunk_width)
367
float
Gxx
,Gxy,Gyy,det,trc;
372
Gxx
=
gxx
[c]+gxx[c+1]*4.0f+gxx[c+2]*6.0f+gxx[c+3]*4.0f+gxx[c+4]
622
float *
gxx
,*gxy,*gyy;
local
665
int *
gxx
,*gxy,*gyy;
local
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Completed in 9197 milliseconds