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cv::convertMaps

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This commit is contained in:
Ilya Lavrenov 2014-10-12 13:37:59 -07:00
parent aa11e102fd
commit 1fe5441185
4 changed files with 153 additions and 9 deletions
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156
modules/imgproc/src/imgwarp.cpp
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@ -4557,17 +4557,59 @@ void cv::convertMaps( InputArray _map1, InputArray _map2,
float* dst2f = dstmap2.ptr<float>(y);
short* dst1 = (short*)dst1f;
ushort* dst2 = (ushort*)dst2f;
x = 0;
if( m1type == CV_32FC1 && dstm1type == CV_16SC2 )
{
if( nninterpolate )
for( x = 0; x < size.width; x++ )
{
#if CV_NEON
for( ; x <= size.width - 8; x += 8 )
{
int16x8x2_t v_dst;
v_dst.val[0] = vcombine_s16(vqmovn_s32(cv_vrndq_s32_f32(vld1q_f32(src1f + x))),
vqmovn_s32(cv_vrndq_s32_f32(vld1q_f32(src1f + x + 4))));
v_dst.val[1] = vcombine_s16(vqmovn_s32(cv_vrndq_s32_f32(vld1q_f32(src2f + x))),
vqmovn_s32(cv_vrndq_s32_f32(vld1q_f32(src2f + x + 4))));
vst2q_s16(dst1 + (x << 1), v_dst);
}
#endif
for( ; x < size.width; x++ )
{
dst1[x*2] = saturate_cast<short>(src1f[x]);
dst1[x*2+1] = saturate_cast<short>(src2f[x]);
}
}
else
for( x = 0; x < size.width; x++ )
{
#if CV_NEON
float32x4_t v_scale = vdupq_n_f32((float)INTER_TAB_SIZE);
int32x4_t v_mask = vdupq_n_s32(INTER_TAB_SIZE - 1);
for( ; x <= size.width - 8; x += 8 )
{
int32x4_t v_ix0 = cv_vrndq_s32_f32(vmulq_f32(vld1q_f32(src1f + x), v_scale));
int32x4_t v_ix1 = cv_vrndq_s32_f32(vmulq_f32(vld1q_f32(src1f + x + 4), v_scale));
int32x4_t v_iy0 = cv_vrndq_s32_f32(vmulq_f32(vld1q_f32(src2f + x), v_scale));
int32x4_t v_iy1 = cv_vrndq_s32_f32(vmulq_f32(vld1q_f32(src2f + x + 4), v_scale));
int16x8x2_t v_dst;
v_dst.val[0] = vcombine_s16(vqmovn_s32(vshrq_n_s32(v_ix0, INTER_BITS)),
vqmovn_s32(vshrq_n_s32(v_ix1, INTER_BITS)));
v_dst.val[1] = vcombine_s16(vqmovn_s32(vshrq_n_s32(v_iy0, INTER_BITS)),
vqmovn_s32(vshrq_n_s32(v_iy1, INTER_BITS)));
vst2q_s16(dst1 + (x << 1), v_dst);
uint16x4_t v_dst0 = vqmovun_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_iy0, v_mask), INTER_BITS),
vandq_s32(v_ix0, v_mask)));
uint16x4_t v_dst1 = vqmovun_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_iy1, v_mask), INTER_BITS),
vandq_s32(v_ix1, v_mask)));
vst1q_u16(dst2 + x, vcombine_u16(v_dst0, v_dst1));
}
#endif
for( ; x < size.width; x++ )
{
int ix = saturate_cast<int>(src1f[x]*INTER_TAB_SIZE);
int iy = saturate_cast<int>(src2f[x]*INTER_TAB_SIZE);
@ -4575,17 +4617,53 @@ void cv::convertMaps( InputArray _map1, InputArray _map2,
dst1[x*2+1] = saturate_cast<short>(iy >> INTER_BITS);
dst2[x] = (ushort)((iy & (INTER_TAB_SIZE-1))*INTER_TAB_SIZE + (ix & (INTER_TAB_SIZE-1)));
}
}
}
else if( m1type == CV_32FC2 && dstm1type == CV_16SC2 )
{
if( nninterpolate )
for( x = 0; x < size.width; x++ )
{
#if CV_NEON
for( ; x <= (size.width << 1) - 8; x += 8 )
vst1q_s16(dst1 + x, vcombine_s16(vqmovn_s32(cv_vrndq_s32_f32(vld1q_f32(src1f + x))),
vqmovn_s32(cv_vrndq_s32_f32(vld1q_f32(src1f + x + 4)))));
#endif
for( ; x < size.width; x++ )
{
dst1[x*2] = saturate_cast<short>(src1f[x*2]);
dst1[x*2+1] = saturate_cast<short>(src1f[x*2+1]);
}
}
else
for( x = 0; x < size.width; x++ )
{
#if CV_NEON
float32x4_t v_scale = vdupq_n_f32((float)INTER_TAB_SIZE);
int32x4_t v_mask = vdupq_n_s32(INTER_TAB_SIZE - 1);
for( ; x <= size.width - 8; x += 8 )
{
float32x4x2_t v_src0 = vld2q_f32(src1f + (x << 1)), v_src1 = vld2q_f32(src1f + (x << 1) + 8);
int32x4_t v_ix0 = cv_vrndq_s32_f32(vmulq_f32(v_src0.val[0], v_scale));
int32x4_t v_ix1 = cv_vrndq_s32_f32(vmulq_f32(v_src1.val[0], v_scale));
int32x4_t v_iy0 = cv_vrndq_s32_f32(vmulq_f32(v_src0.val[1], v_scale));
int32x4_t v_iy1 = cv_vrndq_s32_f32(vmulq_f32(v_src1.val[1], v_scale));
int16x8x2_t v_dst;
v_dst.val[0] = vcombine_s16(vqmovn_s32(vshrq_n_s32(v_ix0, INTER_BITS)),
vqmovn_s32(vshrq_n_s32(v_ix1, INTER_BITS)));
v_dst.val[1] = vcombine_s16(vqmovn_s32(vshrq_n_s32(v_iy0, INTER_BITS)),
vqmovn_s32(vshrq_n_s32(v_iy1, INTER_BITS)));
vst2q_s16(dst1 + (x << 1), v_dst);
uint16x4_t v_dst0 = vqmovun_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_iy0, v_mask), INTER_BITS),
vandq_s32(v_ix0, v_mask)));
uint16x4_t v_dst1 = vqmovun_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_iy1, v_mask), INTER_BITS),
vandq_s32(v_ix1, v_mask)));
vst1q_u16(dst2 + x, vcombine_u16(v_dst0, v_dst1));
}
#endif
for( ; x < size.width; x++ )
{
int ix = saturate_cast<int>(src1f[x*2]*INTER_TAB_SIZE);
int iy = saturate_cast<int>(src1f[x*2+1]*INTER_TAB_SIZE);
@ -4593,10 +4671,44 @@ void cv::convertMaps( InputArray _map1, InputArray _map2,
dst1[x*2+1] = saturate_cast<short>(iy >> INTER_BITS);
dst2[x] = (ushort)((iy & (INTER_TAB_SIZE-1))*INTER_TAB_SIZE + (ix & (INTER_TAB_SIZE-1)));
}
}
}
else if( m1type == CV_16SC2 && dstm1type == CV_32FC1 )
{
for( x = 0; x < size.width; x++ )
#if CV_NEON
uint16x8_t v_mask2 = vdupq_n_u16(INTER_TAB_SIZE2-1);
uint32x4_t v_zero = vdupq_n_u32(0u), v_mask = vdupq_n_u32(INTER_TAB_SIZE-1);
float32x4_t v_scale = vdupq_n_f32(scale);
for( ; x <= size.width - 8; x += 8)
{
uint32x4_t v_fxy1, v_fxy2;
if (src2)
{
uint16x8_t v_src2 = vandq_u16(vld1q_u16(src2 + x), v_mask2);
v_fxy1 = vmovl_u16(vget_low_u16(v_src2));
v_fxy2 = vmovl_u16(vget_high_u16(v_src2));
}
else
v_fxy1 = v_fxy2 = v_zero;
int16x8x2_t v_src = vld2q_s16(src1 + (x << 1));
float32x4_t v_dst1 = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(v_src.val[0]))),
v_scale, vcvtq_f32_u32(vandq_u32(v_fxy1, v_mask)));
float32x4_t v_dst2 = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(v_src.val[1]))),
v_scale, vcvtq_f32_u32(vshrq_n_u32(v_fxy1, INTER_BITS)));
vst1q_f32(dst1f + x, v_dst1);
vst1q_f32(dst2f + x, v_dst2);
v_dst1 = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(v_src.val[0]))),
v_scale, vcvtq_f32_u32(vandq_u32(v_fxy2, v_mask)));
v_dst2 = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(v_src.val[1]))),
v_scale, vcvtq_f32_u32(vshrq_n_u32(v_fxy2, INTER_BITS)));
vst1q_f32(dst1f + x + 4, v_dst1);
vst1q_f32(dst2f + x + 4, v_dst2);
}
#endif
for( ; x < size.width; x++ )
{
int fxy = src2 ? src2[x] & (INTER_TAB_SIZE2-1) : 0;
dst1f[x] = src1[x*2] + (fxy & (INTER_TAB_SIZE-1))*scale;
@ -4605,7 +4717,39 @@ void cv::convertMaps( InputArray _map1, InputArray _map2,
}
else if( m1type == CV_16SC2 && dstm1type == CV_32FC2 )
{
for( x = 0; x < size.width; x++ )
#if CV_NEON
int16x8_t v_mask2 = vdupq_n_s16(INTER_TAB_SIZE2-1);
int32x4_t v_zero = vdupq_n_s32(0), v_mask = vdupq_n_s32(INTER_TAB_SIZE-1);
float32x4_t v_scale = vdupq_n_f32(scale);
for( ; x <= size.width - 8; x += 8)
{
int32x4_t v_fxy1, v_fxy2;
if (src2)
{
int16x8_t v_src2 = vandq_s16(vld1q_s16((short *)src2 + x), v_mask2);
v_fxy1 = vmovl_s16(vget_low_s16(v_src2));
v_fxy2 = vmovl_s16(vget_high_s16(v_src2));
}
else
v_fxy1 = v_fxy2 = v_zero;
int16x8x2_t v_src = vld2q_s16(src1 + (x << 1));
float32x4x2_t v_dst;
v_dst.val[0] = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(v_src.val[0]))),
v_scale, vcvtq_f32_s32(vandq_s32(v_fxy1, v_mask)));
v_dst.val[1] = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(v_src.val[1]))),
v_scale, vcvtq_f32_s32(vshrq_n_s32(v_fxy1, INTER_BITS)));
vst2q_f32(dst1f + (x << 1), v_dst);
v_dst.val[0] = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(v_src.val[0]))),
v_scale, vcvtq_f32_s32(vandq_s32(v_fxy2, v_mask)));
v_dst.val[1] = vmlaq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(v_src.val[1]))),
v_scale, vcvtq_f32_s32(vshrq_n_s32(v_fxy2, INTER_BITS)));
vst2q_f32(dst1f + (x << 1) + 8, v_dst);
}
#endif
for( ; x < size.width; x++ )
{
int fxy = src2 ? src2[x] & (INTER_TAB_SIZE2-1): 0;
dst1f[x*2] = src1[x*2] + (fxy & (INTER_TAB_SIZE-1))*scale;

2
modules/imgproc/src/pyramids.cpp
View File

@ -286,7 +286,7 @@ struct PyrDownVec_32s16s
v_r00 = vaddq_s32(vaddq_s32(v_r00, v_r40), vaddq_s32(v_r20, v_r20));
v_r10 = vaddq_s32(vaddq_s32(v_r10, v_r20), v_r30);
v_r10 = vshlq_n_s32(v_r10, 2);
int32x4_t v_dst0 = vshrq_n_s32(vaddq_s32(vaddq_s32(v_r00, shifted), v_delta), 8);
int32x4_t v_dst0 = vshrq_n_s32(vaddq_s32(vaddq_s32(v_r00, v_r10), v_delta), 8);
v_r01 = vaddq_s32(vaddq_s32(v_r01, v_r41), vaddq_s32(v_r21, v_r21));
v_r11 = vaddq_s32(vaddq_s32(v_r11, v_r21), v_r31);

2
modules/imgproc/test/test_histograms.cpp
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@ -1100,7 +1100,7 @@ int CV_CompareHistTest::validate_test_results( int /*test_case_idx*/ )
code = cvtest::TS::FAIL_INVALID_OUTPUT;
break;
}
else if( fabs(v0 - v) > FLT_EPSILON*10*MAX(fabs(v0),0.1) )
else if( fabs(v0 - v) > FLT_EPSILON*14*MAX(fabs(v0),0.1) )
{
ts->printf( cvtest::TS::LOG, "The comparison result using the method #%d (%s)\n\tis inaccurate (=%g, should be =%g)\n",
i, method_name, v, v0 );

2
modules/imgproc/test/test_imgwarp.cpp
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@ -1602,7 +1602,7 @@ TEST(Resize, Area_half)
for (int i = 0, _size = sizeof(types) / sizeof(types[0]); i < _size; ++i)
{
int type = types[i], depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
const float eps = depth <= CV_32S ? 0 : 5e-5;
const float eps = depth <= CV_32S ? 0 : 7e-5f;
SCOPED_TRACE(depth);
SCOPED_TRACE(cn);