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92 Commits

Author SHA1 Message Date
Alexander Alekhin
80492d663e Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2021-12-18 16:19:06 +00:00
eplankin
175bcb1734
Merge pull request #21258 from eplankin:fix_threshold_to_zero_ipp_bug 
Fixed threshold(THRESH_TOZERO) at imgproc(IPP)

* Fixed #16085: imgproc(IPP): wrong result from threshold(THRESH_TOZERO)

* 1. Added test cases with float where all bits of mantissa equal 1, min and max float as inputs
2. Used nextafterf instead of cast to hex

* Used float value in test instead of hex and casts

* Changed input value in test
 2021-12-17 13:31:37 +00:00
Nikita Shulga
b8cf5d8d5f Enable Otsu thresholding for CV_16UC1 images 2020-04-06 21:19:07 -07:00
Alexander Alekhin
92b9888837 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2019-12-12 13:02:19 +03:00
Alexander Alekhin
734de34b7a
Merge pull request #16085 from alalek:imgproc_threshold_to_zero_ipp_bug 
* imgproc(IPP): wrong result from threshold(THRESH_TOZERO)

* imgproc(IPP): disable IPP code to pass THRESH_TOZERO test
 2019-12-09 14:51:02 +03:00
Alexander Alekhin
199ddff13b Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2019-07-18 20:25:25 +00:00
Chip Kerchner
c9fcc12e3b Merge pull request #15048 from ChipKerchner:reduceStoreGatheringThreshold 
* Reduce store gathering pressures - speeds thresholds by up to 20%

* Rename temporary histogram array and initialize so that MACOSX builder is happy
 2019-07-16 16:10:49 +03:00
Alexander Alekhin
631b246881 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2019-01-22 18:00:34 +00:00
Vitaly Tuzov
a202dc9a90 threshold() reworked to use wide universal intrinsics 2019-01-15 19:15:19 +03:00
Alexander Alekhin
1913482cf5 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-11-10 20:50:26 +00:00
tompollok
2da56d5af6 refactoring catching all exceptions as const ref 2018-11-08 19:59:47 +03:00
Alexander Alekhin
808ba552c5 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-14 23:44:35 +00:00
Hamdi Sahloul
5d54def264 Add semicolons after CV_INSTRUMENT macros 2018-09-14 06:45:31 +09:00
Alexander Alekhin
5b17a60dde next: drop HAVE_TEGRA_OPTIMIZATION/TADP 2018-04-10 18:09:54 +03:00
Alexander Alekhin
5d36ee2fe7 imgproc: apply CV_OVERRIDE/CV_FINAL 2018-03-28 17:57:59 +03:00
Alexander Alekhin
116c8d0ddf build: eliminate warnings 
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 2018-01-05 04:30:08 +00:00
elenagvo
73ac5321f5 fix threshold HAL 2017-11-28 17:42:29 +03:00
elenagvo
762138e77e define adaptiveMethod and thresholdType for HAL 2017-11-28 16:02:06 +03:00
elenagvo
c95bc0c7fd add HAL for threshold 2017-11-27 15:35:02 +03:00
elenagvo
11ddb9332c add HAL for adaptiveThreshold 2017-11-27 15:35:02 +03:00
Dmitry Kurtaev
fa109b94d9 Update 16UC thresholding 2017-09-18 18:34:45 +03:00
Arvid Piehl Lauritsen Böttiger
ca245e995a Added support for thresholding CV_16U images. 2017-09-18 15:34:37 +03:00
Maksim Shabunin
248e2c7d47 Fixed some issues found by static analysis 2017-09-08 12:22:12 +03:00
Pavel Vlasov
a57718e1ac ICV2017u3 package update; 
- Optimizations set change. Now IPP integrations will provide code for SSE42, AVX2 and AVX512 (SKX) CPUs only. For HW below SSE42 IPP code is disabled.
- Performance regressions fixes for IPP code paths;
- cv::boxFilter integration improvement;
- cv::filter2D integration improvement;
 2017-08-23 14:24:43 +03:00
Maksim Shabunin
e0393f8557 Fixed some issues found by static analysis (4th round) 2017-06-30 12:26:53 +03:00
Vadim Pisarevsky
ee257ffe9e Merge pull request #8455 from terfendail:ovxhal_skipsmall 2017-05-26 12:10:18 +00:00
Alexander Alekhin
c5e9d1adae macro for static analysis tools 2017-05-23 12:35:31 +03:00
Vitaly Tuzov
bf5b7843e8 Extended set of OpenVX HAL calls disabled for small images 2017-04-06 18:17:32 +03:00
Vitaly Tuzov
9a4b5a4545 OpenVX calls updated to use single common OpenVX context per thread 2017-02-21 16:08:23 +03:00
Rostislav Vasilikhin
8b9422a052 OpenVX wrappers rewritten with CV_OVX_RUN, VX_DbgThrow 2016-12-14 17:49:41 +03:00
Vitaly Tuzov
0cd3788624 Added OpenVX based processing to threshold 2016-11-29 15:35:52 +03:00
Tomoaki Teshima
ea6410d1e7 use universal intrinsic in threshold 
* add performance test for 32F and 64F threshold
  * requires update of opencv_extra
 2016-10-11 18:00:41 +09:00
Pavel Vlasov
30a6cee2fe Instrumentation for OpenCV API regions and IPP functions; 2016-08-19 18:10:03 +03:00
Pavel Vlasov
680ca88ce0 Outdated ICV restrictions were removed; 2016-08-19 15:08:39 +03:00
Vadim Pisarevsky
b8d743bf50 Merge pull request #6970 from K-Shinotsuka:issue6 2016-08-03 18:50:00 +00:00
k-shinotsuka
5775ace5e0 improve thresh_8u() 2016-08-02 23:35:14 +09:00
Alexander Alekhin
2ec63e4dd1 fix android pack build 2016-07-20 16:49:57 +03:00
Tomoaki Teshima
9fca953e62 check the CPU flag correctly 2016-07-13 07:34:49 +09:00
Tomoaki Teshima
1095076d7f imgproc: speed up threshold of 64F version using NEON and SSE 
* use NEON under aarch64 only
  * check 64F version correctly
 2016-07-09 17:05:29 +09:00
atinfinity
1f1464c925 remove unnecessary cast 2016-05-18 08:32:29 +09:00
atinfinity
e4f207c4b4 Changed cv::threshold() to support CV_64F 2016-05-17 22:56:03 +09:00
Maksim Shabunin
6e9d0d9a0c Visual Studio 2015 warning and test fixes 2015-10-20 12:48:37 +03:00
Pavel Vlasov
14b006e808 IPP_VERSION_X100 was changed to: 
IPP_VERSION_MAJOR * 100 + IPP_VERSION_MINOR*10 + IPP_VERSION_UPDATE
to manage changes between updates more easily.

IPP_DISABLE_BLOCK was added to ease tracking of disabled IPP functions;
 2015-09-25 17:50:15 +03:00
Wenju He
67ca143a0b fix adaptiveThreshold mean 2015-08-06 10:23:31 +08:00
Vadim Pisarevsky
4a2aad5bba Merge pull request #4149 from LaurentBerger:ThreshGaussianFloat 2015-08-05 17:25:01 +00:00
LaurentBerger
ca0114228c In adaptiveThreshold ADAPTIVE_THRES_GAUSSIAN_C gaussianBlur is computed using float 
number
 2015-06-25 07:51:06 +02:00
Pavel Vlasov
101607a7d0 Imgproc_Hist_MinMaxVal.accuracy fix; 
Some code style corrections;
 2015-06-24 13:50:17 +03:00
LaurentBerger
56b2b450ce A new constant in adaptivethreshold is created to calculate 
gaussianBlur with CV_32F. hence rouding error are avoided
 2015-06-22 22:21:30 +02:00
Dmitry Budnikov
a5a21019b2 ipp_countNonZero build fix; 
Removed IPP port for tiny arithm.cpp functions

Additional warnings fix on various platforms.

Build without OPENCL and GCC warnings fixed

Fixed warnings, trailing spaces and removed unused secure_cpy.

IPP code refactored.

IPP code path  implemented as separate static functions to simplify future work with IPP code and make it more readable.
 2015-06-18 12:47:07 +03:00
Vladislav Vinogradov
cda6fed41f move tegra namespace out of cv to prevent conflicts 2015-02-27 12:52:11 +03:00