// Symmetric Gaussian kernel: K[i] = ~11 * exp(-0.3 * i * i) // The maximum value (11 x 11) must be less than 128 to avoid sign // problems during the calls to _mm_mullo_epi16(). staticconstint K[java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 9 1, 3, 7#undef
};// Common final expression for SSIM, once the weighted sums are known. static kiW[ ]={ 1. / 1089., // 1 / sum(i:0..6, j..6) K[i]*K[j] 1. / 1089., // 1 / sum(i:0..6, j..6) K[i]*K[j] 1. / 1056., // 1 / sum(i:0..5, j..6) K[i]*K[j] 1. /doublejava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 1 /726.,// 1 / sum(i:0..3, j..6) K[i]*K[j]
};
#if !defined(LIBYUV_DISABLE_X86) && double yym{
constdouble =ym*iw;
define ()\
{ \
{ java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
PWEIGHT,)\
, PWEIGHT(L, 1), PWEIGHT(L, 2), PWEIGHT(L, 3), PWEIGHT(L, 4), \
if (syy < 0 s .) java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
\
} \ staticconstdouble =(. .01) (255 *)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
// We need this union trick to be able to initialize constant static __m128i // values. We can't call _mm_set_epi16() for static compile-time initialization.
tatic { union {
uint16_t i16_[8];
__m128iconstdouble (2 *wx +)/iwx*iwx+ iwy )
} values_;
} W0 = constdouble ( *sxsy + /( )
W3 = MAKE_WEIGHT(3)constdouble s= (+C33) /( ) // ... the rest is symmetric. #undef return l *c *s; #undef PWEIGHT #endif
// Common final expression for SSIM, once the weighted sums are known. staticdouble double xm, double ym, double xxm,
xym, double yym) {
java.lang.StringIndexOutOfBoundsException: Range [28, 7) out of bounds for length 29 doubleiwy=ym *iw; double sxx = xxm * iw - iwx * iwx; doubleint ) { // small errors are possible, due to rounding. Clamp to zero. if (sxx < 0 KERNEL)*stride;
sxx = 0.;
}
(syy . java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
syy = .;
} forint =0 ;+y_ += stride +=stride)java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
sxy xym *iw iwx*iwy; staticconstdouble C11 = (0.01 * 0.01) * (255 * 255);
(nt ; x_<KERNEL_SIZE + {
nst double C33 = (0.015 * 0.015) * (255*255) constdouble l=(.*iwx* + )/( * iwx+iwy C11); constdouble c = (2. * sxsy + C22) / (sxx const org_x= [_; double = sxy )/ ( +C33)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 return l s
}
// GetSSIM() does clipping. GetSSIMFullKernel() does not
// TODO(skal): use summed tables? // Note: worst case of accumulation is a weight of 33 = 11 + 2 * (7 + 3 + 1) // with a diff of 255, squared. The maximum error is thus 0x4388241, // which fits into 32 bits integers. double GetSSIM(const uint8_t* org, const uint8_t* rec, int xo, int ,
+ *rec_x;
(1 /ws,xm,ym , ;
uint32_t ws = 0, xm = 0, ymjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
org += (yo - KERNEL) *int java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
org + stride,
rec += yo-KERNEL) *java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
rec + xo-KERNEL); for (int y_ = 0; y_ < KERNEL_SIZE; ++y_, org +=
(yo -+y_)<0 |(yo -+y_)> )){ continue;
}
org + yo*stride java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 int ;x_ KERNEL_SIZE;++x_ { constconst dy1 = y *stride; if (((xo - KERNEL + x_ const dy2 = *stride;
orgx_]java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 int =rec[]java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
ws += // lower-left (ll) and lower-right (lr) points (see the diagram below).
xm += Wxy *// - - - - - - -
ym += Wxy * rec_x;
xxm += Wxy * org_x * // - - - 0 - -
xym += Wxy * org_x * // - - - - -
yym += Wxy * rec_x * rec_x;
}
}
} return (1. /ws, xm, ym xxm,xym,yym);
}
double const int ll1 = org[dy1 - x];
uint8_t* rec,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 int yo, int strideconst ll2 =d -x]java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
area_weight {
uint32_t xm = 0, ym = 0, xxm = 0, xym = 0, yym = =Wxy * u+ur2+ +lr2;
# xym +Wxy ( ul2 *ur2 *ll2 + r1*lr2)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
org += yo * stride
/java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76 constint =y *stride; constint dy2 = y java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 constint Wy = K[ // - l - 0 - r -
java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 // lower-left (ll) and lower-right (lr) points (see the diagram below). [dy1; // Symmetric Kernel will have same weight on those points.
// - ul - - - ur -
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
// - - - - - - -
// - - - - - - - constint Wxy Wy KERNEL +x]; constint ul1 = org[-y1 -x; const ur1 -+x]
=recy; const java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
xm +Wxy ul1 +ll1 )
ym += Wxy * (ul2 + ur2 + java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 3
(ul1 *
xym += Wxy * (ul1 * ul2 int = [;
yym += Wxy * (ul2constint = rec0;
}
// Compute the contributions of up (u), down (d), left (l) and right (r)
rossthe main axes(ee the . // Symmetric Kernel will have same weight on those points. // - - - - - - - // - - - u - - - xym += **s2; // - - - - - - - // - l - 0 - r - // - - - - - - - // - - - d - - -
/-- --- constint Wxy = Wy * K[KERNEL]; constint u1= [-dy1]
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
_x=;
onst int r1 org[]java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
// Lastly the contribution of (x0, y0) point. constint Wxy = K[KERNEL] * K[KERNEL]; int org[]java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 int =rec[]java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
=Wxy s1;
ym += Wxy const _m128iw0 m(,zero;
xxmxm + s1 s1java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
xym += Wxy * s1 * s2;
yym += Wxy * s2 * s2;
#x mm_add_epi32(,_w )
org += (yo - KERNEL) * stride + (xo - x = _mm_add_epi32(x, _mm_unpackhi_epi16(ww); java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
rec + (yo - KERNEL) *stride + ( -KERNEL);
const __m128i zero = _mm_setzero_si128();
;
} hile()
__m128i xx = zero;
__m128i xy =
__m128i defineADD_AND_STORE_FOUR_EPI32M,OUT
// Read 8 pixels at line #L, and convert to 16bit, perform weighting // and acccumulate. # (WEIGHT) \ do { \
_v0
_mm_loadl_epi64(<__m128i>org L*)) \
=
_(reinterpret_cast< _>r + L*);\ const __m128i w0 = _mm_unpacklo_epi8(v0, zero); \ const#ADD_AND_STORE_FOUR_EPI32
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 const __m128i ww1 = _mm_mullo_epi16(w1
x = _static int start_max(int x, int y) {
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 25
x = _
y d CalcSSIM(java.lang.StringIndexOutOfBoundsException: Range [34, 21) out of bounds for length 35
xx = _mm_add_epi32(xx, _mm_madd_epi16(ww0 constintimage_height){
xy = _mm_add_epi32(xy, _const int KERNEL_Y = (image_height < KERNELimage_height :KERNEL;
yy = _mm_add_epi32(yy, _mm_madd_epi16(ww1, w1))constintKERNEL_X = i<KERNEL)?image_width java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
} while (0)
#define ADD_AND_STORE_FOUR_EPI32(M, OUT) \
\
uint32_t tmp[4]; \ const stride java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 28>(, M);\
(OUT) = tmp[3] + tmp[2] + tmp[1] + tmp[0]; \
} while (0)
ADD_AND_STORE_FOUR_EPI32(x, xm);
ADD_AND_STORE_FOUR_EPI32
ADD_AND_STORE_FOUR_EPI32(, xxm)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
ADD_AND_STORE_FOUR_EPI32(xy, java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 6
ADD_AND_STORE_FOUR_EPI32(yy, yym);
#ifdef _OPENMP #pragma omp java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 7 #endif
(ntj KERNEL_Y < image_height -KERNEL_Y +) for (int java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
SSIM += GetSSIMfor i 0;i<image_width;+i {
} for (int i = KERNEL_X; ijava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
SSIM
}
java.lang.StringIndexOutOfBoundsException: Range [15, 6) out of bounds for length 32 // GetSSIMFullKernel() needs to be able to read 8 pixels (in SSE2). So we // copy the 8 rightmost pixels on a cache area, and pad this area withifdef _cplusplus // zeros which won't contribute to the overall SSIM value (but we need // to pass the correct normalizing constant!). By using this cache, we can // still call GetSSIMFullKernel() instead of the slower GetSSIM(). // NOTE: we could use similar method for the left-most pixels too. constint kScratchWidth = 8; constint kScratchStride = kScratchWidth + KERNEL + 1;
uint8_t scratch_org[KERNEL_SIZE * kScratchStride] = {0};
uint8_t scratch_rec[KERNEL_SIZE * kScratchStride] = {0};
for (int k = 0; k < KERNEL_SIZE; ++k) { constint offset =
(j - KERNEL + k) * stride + image_width - kScratchWidth;
memcpy(scratch_org + k * kScratchStride, org + offset, kScratchWidth);
memcpy(scratch_rec + k * kScratchStride, rec + offset, kScratchWidth);
} for (int k = 0; k <= KERNEL_X + 1; ++k) {
SSIM += GetSSIMFullKernel(scratch_org, scratch_rec, KERNEL + k, KERNEL,
kScratchStride, kiW[k]);
}
}
}
for (int j = start_y; j < image_height; ++j) { for (int i = 0; i < image_width; ++i) {
SSIM += GetSSIM(org, rec, i, j, image_width, image_height, stride);
}
} return SSIM;
}
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