1fb966dc61
SymmRowSmallVec_8u32s 1x5 asymm
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NEON speedup: 3.14x
Auto-vect speedup: 1.6x
Test kernel: [-5, -2, 0, 2, 5]
2014-12-19 22:23:09 +02:00
2e7b9a2c0f
SymmRowSmallVec_8u32s 1x3 asymmetric
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NEON speedup: 1.95x
Auto-vect speedup: 1.17x
Test kernel: [-2, 0, 2]
2014-12-19 22:15:37 +02:00
969a218057
SymmRowSmallVec_8u32s [-1, 0, 1]
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NEON speedup: 1.84x
Auto-vect speedup: 1.2x
2014-12-19 22:11:52 +02:00
c0019a42e4
SymmRowSmallVec_8u32s 1x5 general
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NEON speedup: 3.86x
Auto-vect speedup: 1.67x
Test kernel: [0.0708, 0.2445, 0.3694, 0.2445, 0.0708]
2014-12-19 22:10:58 +02:00
cb48d7798d
SymmRowSmallVec_8u32s 1x3 general
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NEON speedup: 2.56x
Auto-vect speedup: 1.26x
Test kernel: [1, 3, 1]
2014-12-19 22:08:23 +02:00
0ba3b06efd
SymmRowSmallVec_8u32s [1, 2, 1]
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NEON speedup: 4.1
Auto-vect speedup: 2.25
2014-12-19 22:02:57 +02:00
5a43c7a28e
Update segmentation.cpp
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removed trailing whitespaces
2014-12-11 17:36:36 +01:00
c762da9893
Fix SymmColumnSmallVec_32s16s SSE code
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Specifically, in general antisymmetric case src[-1] (S0) should be
subtracted from from src[1] (S2), and not the opposite.
2014-12-06 19:53:07 +02:00
be5c910358
Merge pull request #3443 from HelenWong:bug3363Fix
2014-12-02 09:14:36 +00:00
41afe54696
Fix determining bounding box of the edge collection in FillEdgeCollection().
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There is necessary to account also x-coordinate of the end of the edge when determining bounding box of the edge collection.
2014-12-01 14:30:05 +01:00
e88bf2bc30
Updated Documentation (HoughCircles)
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Rewrite the note on HoughCircles documentation to make it more clear
Add note to clarify that the output vector of found circles is sorted by
descending order of centres accumulator values.
Also delete reductant lines on the HoughCircles documentation.
Added comments to hough circles function.
Added comments to icvhoughgradient
Misalignment in line 1183 corrected
2014-11-26 11:37:33 -08:00
6e7050555e
Optimize pyrUp_unrolled() by mad function.
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It could improve performance when image size is large.
E.g. OCL_PyrUpFixture_PyrUp.PyrUp/18
2014-11-26 16:55:08 +08:00
f14b8b4341
Update segmentation.cpp
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Added detailed comments to watershed()
2014-11-25 16:25:56 +01:00
a7757b0eb6
Fix anchor for small symmetrical column filters.
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In the unoptimized version of small symmetrical column filters, when we
try to detect if the kernel, ky, is equal to [1;2;1] or [1;-2;1] we
should take into consideration that the anchor points in the middle
element.
2014-11-19 23:12:58 +02:00
184b6e314c
Fix canny segment fault (Bug #3978 )
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Avoid stack overflow based on std::vector cause
std::vector::resize() segmentation fault.
2014-11-12 17:48:05 +08:00
569a95e9e1
Merge pull request #3394 from akarsakov:ocl_canny
2014-11-07 12:42:24 +00:00
573be75f50
Merge pull request #3392 from wangyan42164:houghlines_bug_fix
2014-11-07 11:52:58 +00:00
0692bf5f34
Fix HoughLines crashes (Bug #3959 ).
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Avoid phi exceed PI/2 to get the negative value of cos(phi).
2014-11-07 17:52:16 +08:00
7c870014fb
Correctly unrolled some cycles
2014-11-07 12:13:00 +03:00
f50f249f80
Merge pull request #3138 from alalek:icv_update
2014-11-06 15:58:14 +00:00
0ec0aeb7d0
Minor optimization for ocl_canny
2014-11-06 13:07:33 +03:00
1d804bc695
Merge pull request #3360 from mirab:threshold_triangle
2014-11-06 08:36:24 +00:00
4046f0398a
Make Otsu and Triangle algorithms mutually exclusive
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Make Otsu and Triangle algorithms mutually exclusive in cv::threshold code.
Signed-off-by: Miroslav Benes <mbenes@suse.cz >
2014-11-05 16:04:26 +01:00
7de4e0496c
Merge pull request #3390 from vbystricky:fix_houghlines
2014-11-05 11:41:12 +00:00
957e5ef8eb
Fix OpenCL version of HoughLinesP function
2014-11-05 14:31:06 +04:00
58e054a003
IPPICV: disable boxFilter 16SC1/16UC1 (performance)
2014-11-05 13:26:23 +03:00
1fe5441185
cv::convertMaps
2014-11-01 10:13:28 -07:00
aa11e102fd
removed saturation from pyramids
2014-11-01 13:23:45 +03:00
8d0383180c
fixes for cv::warpAffine
2014-11-01 13:19:52 +03:00
15af3f7114
fixes in VResizeLinearVec_32s8u
2014-11-01 13:19:52 +03:00
a4dd2162f2
cv::resize (INTER_LANCZOS4)
2014-11-01 13:19:52 +03:00
1b01e1fe68
cv::resize (INTER_AREA CV_16S, CV_32F)
2014-11-01 13:19:52 +03:00
4ed696d770
cv::compareHist (CV_COMP_INTERSECT)
2014-11-01 13:19:51 +03:00
d5f006eee5
cv::magnitude; cv::corner**
2014-11-01 13:19:51 +03:00
7e6fb668ed
cv::pyrUp
2014-11-01 13:19:51 +03:00
46faf592fc
cv::warpAffine
2014-11-01 13:19:51 +03:00
85a814f748
VResizeLinearVec_32s8u
2014-11-01 13:19:51 +03:00
cae89a7a88
Merge pull request #3318 from akarsakov:ocl_cvtcolor
2014-10-29 14:25:09 +00:00
967a88759f
Don't process empty src image in GFTT
2014-10-28 16:06:36 +03:00
643c906f3d
Added optimized loading to YUV2RGB_422 kernel
2014-10-28 15:07:51 +03:00
1466621f99
Added loading 4 pixels in line instead of 2 to RGB[A] -> YUV(420) kernel
2014-10-27 16:00:34 +03:00
09fb7512ed
Fixed iOS framework compilation warnings
2014-10-27 15:28:21 +03:00
5b1fd739d9
Add Triangle thresholding algorithm
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Add Triangle method for automatic threshold computation next to the existing
Otsu's method. Triangle deals better with images whose histogram does not
contain dominant peak.
See paper Zack GW, Rogers WE, Latt SA.: Automatic measurement of sister
chromatid exchange frequency. J Histochem Cytochem. 1977 Jul;25(7):741-53.
2014-10-22 16:54:39 +02:00
60367907fe
Used direct float calculations
2014-10-21 17:18:03 +03:00
5aa9ac9a77
Added OCL code for YUV422 -> RGB[A]|BGR[A] color conversion
2014-10-21 17:18:03 +03:00
c8707b891b
Added OCL code for RGB[A]|BGR[A] -> YUV_[YV12|IYUV] color conversion
2014-10-21 17:18:03 +03:00
8c91604f5a
Added OCL code for YUV2GRAY_420 color conversion
2014-10-21 17:18:02 +03:00
1cc17a7186
Added OCL code for YUV2BGR_YV12 and YUV2BGR_IYUV color conversions
2014-10-21 17:18:02 +03:00
85b60ee3cb
Added support for YUV2RGB[A]_NV21 and YUV2BGR[A]_NV21 conversion
2014-10-21 17:18:02 +03:00
d3821e8cd7
Forgotten punctuation
2014-10-17 18:14:54 +04:00
orestis
Sync-my-L2P
Vadim Pisarevsky
Artur Wieczorek
HelenWong
Yan Wang
Alexander Alekhin
Alexander Karsakov
Miroslav Benes
vbystricky
Ilya Lavrenov
Maksim Shabunin