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4.0.0-beta
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2808 Commits

Author SHA1 Message Date
Alexander Alekhin edacd91a27 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-10-15 20:15:42 +00:00
Alexander Alekhin 1cc3f7abbb Merge pull request #12516 from seiko2plus:changeUnvMultiply16 2018-10-15 12:07:40 +00:00
tompollok 0b77600718 change area() emptiness checks to empty() 2018-10-13 21:35:10 +02:00
Alexander Alekhin 5115e5decb Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-10-13 16:19:05 +00:00
Alexander Alekhin 0d63c4c28e Merge pull request #12811 from take1014:resize_large_image 2018-10-12 16:59:25 +00:00
take1014 24af70c7e0 resolves 11283 2018-10-12 23:08:25 +09:00
Alexander Alekhin 1ed9ff17e1 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-10-12 10:05:55 +00:00
Sayed Adel 9dc1d388af imgproc: Enable VSX on pyrDown & pyrUp 2018-10-11 23:03:57 +00:00
Alexander Alekhin 53785b6ac6 Merge pull request #12784 from terfendail:pyramids_wintr 2018-10-11 19:26:36 +00:00
Alexander Alekhin 2332fb852d Merge pull request #12748 from terfendail:resize_wintr2 2018-10-11 19:26:17 +00:00
Sayed Adel 8965f3ae06 imgproc:simd Enable VSX and wide universal intrinsics for accumulate operations 
- improve cpu dispatching calls to allow more SIMD extentions
    (SSE4.1, AVX2, VSX)
  - wide universal intrinsics
  - replace dummy v_expand with v_expand_low
  - replace v_expand + v_mul_wrap with v_mul_expand for product accumulate operations
  - use FMA for accumulate operations
  - add mask and more types to accumulate's performance tests
 2018-10-11 04:37:12 +02:00
Sayed Adel 5771fd693d Change behaviour of 16-bit multiply operator 
- redefine 16-bit multiply operator to perform saturating multiply
    instead of non-saturating multiply
  - implement 8-bit multiply operator to perform saturating multiply
  - implement v_mul_wrap() for 8-bit, 16-bit non-saturating multiply
  - improve performance of v_mul_hi() for VSX
  - update intrin tests with new changes
  - replace unv 16-bit multiplication operator with v_mul_wrap due behavior changes

  - Several improvements depend on vpisarev review

    * initial forward declarations for universal intrinsics
    * move emulating SSE intrinsics into separate file
    * implement v_mul_expand for 8-bit
    * reimplement saturating multiply using v_mul_expand + v_pack
    * map v_expand, v_load_expand, v_load_expand_q to sse4.1
    * fix overflow avx2::v_pack(uint32)
    * implement two universal intrinsics v_expand_low and v_expand_high
 2018-10-11 04:35:39 +02:00
Vitaly Tuzov cc10e6b344 pyrDown and pyrUp SSE2 implementations replaced with wide universal intrinsics implementations 2018-10-10 21:12:47 +03:00
Alexander Alekhin dada5a422d Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-10-09 21:20:15 +00:00
Apoorv Goel b8aa0cddab Merge pull request #12777 from UnderscoreAsterisk:document-cvtColorTwoPlane 
* Add documentation for cvtColorTwoPlane

* Change brief and add links
 2018-10-09 15:49:17 +03:00
Vitaly Tuzov 9d602f2752 Replaced SSE2 area resize implementation with wide universal intrinsic implementation 2018-10-08 16:27:52 +03:00
Alexander Alekhin 8f1f4273a2 calib3d: move undistort files from imgproc 2018-10-05 07:52:21 +00:00
Vitaly Tuzov 6b84990620 integral() implementation updated to utilize wide universal intrinsics 2018-10-01 17:25:43 +03:00
Suleyman TURKMEN 8eb987e393 Update findContours parameter type 2018-09-28 18:42:48 +03:00
Pavel Rojtberg d1c842cf29 core: fix printf warnings by using c++11 format 2018-09-24 11:31:40 +03:00
Alexander Alekhin e6171d17f8 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-18 12:49:52 +03:00
Alexander Alekhin 70f38b4dfa Merge pull request #12510 from take1014:doc_hough 2018-09-17 21:39:12 +03:00
Gaetano Checinski e628fd7bce Merge pull request #12503 from nikhedonia:12500-move-gcgraph 
* feat: move gcgraph to detail

* chore: puts gcgraph cv::detail namespace
 2018-09-17 20:13:47 +03:00
Alexander Alekhin 808ba552c5 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-14 23:44:35 +00:00
Alexander Alekhin 92ec971453 Merge pull request #12526 from terfendail:avx2_resize_fix 2018-09-14 15:57:47 +00:00
Hamdi Sahloul 5d54def264 Add semicolons after CV_INSTRUMENT macros 2018-09-14 06:45:31 +09:00
Vitaly Tuzov 29770e13e8 Fixed bit-exact resize SIMD implementation for AVX2 baseline 2018-09-13 18:20:27 +03:00
Mark Harfouche 095b0d3272 Fix BayerXX2RGBA when blue is on the first line. 2018-09-12 16:06:44 -04:00
take1014 57ae3ac7a2 fix document about HoughLines 2018-09-12 22:18:30 +09:00
Alexander Alekhin dca657a2fd Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-10 00:10:21 +03:00
Mark Harfouche 53bbed89ae Output RGBA images when bayer_xx2YYYA is called 2018-09-07 16:03:04 -04:00
Hamdi Sahloul a39e0daacf Utilize CV_UNUSED macro 2018-09-07 20:33:52 +09:00
Alexander Alekhin 73bfe68821 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-07 12:40:27 +03:00
Alexander Alekhin bd98ed46bd Merge pull request #12446 from alalek:imgproc_grabcut_numeric_issues 2018-09-06 20:18:45 +00:00
Alexander Alekhin 24e72e151a imgproc: grabcut numeric stability 2018-09-06 17:05:54 +03:00
Alexander Alekhin 8a3c394d6a don't use constructors for C API structures 2018-09-06 14:34:16 +03:00
Alexander Alekhin ad146e5a6b core: remove constructors from C API structures 
POD structures can't have constructors.
 2018-09-06 14:34:09 +03:00
Rostislav Vasilikhin da7e1cfb49 Merge pull request #12279 from savuor:cvtcolor_bgr2gray_8u_15bits 
* bgr2gray 8u fixed to be in conformance with IPP code

* coefficients fixed so their sum is 32768

* java test for CascadeDetect fixed: equalizeHist added
 2018-09-06 13:28:24 +03:00
Alexander Alekhin 43b64140ae Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-05 19:54:09 +03:00
Alexander Alekhin e70526625f imgproc: fix Subdiv2D::getTriangleList() 2018-09-05 16:24:27 +03:00
Alexander Alekhin d74b98c3d9 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2018-09-04 18:39:03 +00:00
Alexander Alekhin 7f7f30a08b Merge pull request #12406 from alalek:backport_12357_12391 2018-09-04 16:09:44 +00:00
Alexander Alekhin fda99c1c6c Merge pull request #12394 from alalek:imgproc_GaussianBlur_allow_HAL_8U 2018-09-04 15:16:08 +00:00
Alexander Alekhin acce95f446 backport fixes for static analyzer warnings 
Commits:
- 09837928d9
- 10fb88d027

Excluded changes with std::atomic (C++98 requirement)
 2018-09-04 16:49:42 +03:00
cyy 10fb88d027 Merge pull request #12391 from DEEPIR:master 
fix some errors found by static analyzer. (#12391)

* fix possible divided by zero and by negative values

* only 4 elements are used in these arrays

* fix uninitialized member

* use boolean type for semantic boolean variables

* avoid invalid array index

* to avoid exception and because base64_beg is only used in this block

* use std::atomic<bool> to avoid thread control race condition
 2018-09-04 16:39:19 +03:00
Vitaly Tuzov f9a5c4d181 Fixed bit-exact resize wide intrinsics implementation for 16U 2018-09-03 20:37:25 +03:00
Alexander Alekhin 1e362ff5c3 imgproc(GaussianBlur): restore processing order 2018-09-03 18:39:42 +03:00
Vadim Pisarevsky fc71316690 Merge pull request #12371 from alalek:issue_12366 2018-09-03 14:30:16 +00:00
yuki takehara cb7ee27cd9 Fix bug in distanceTransform (#12278) 
* fix 12218

* Update test_distancetransform.cpp

marked the test as "BIGDATA_TEST" in order to skip it on low-mem platforms

* modify test

* use a smaller image in the test

* fix test code
 2018-09-03 17:18:10 +03:00
cyy 09837928d9 Merge pull request #12357 from DEEPIR:master 
* fix some static analyzer warnings

* fix some static analyzer warnings

* fix race condition of workthread control
 2018-09-02 16:34:43 +03:00