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720 Commits

Author SHA1 Message Date
Alexander Alekhin
5c987e4c75
Merge pull request #18924 from alalek:4.x-xcode12 
(4.x) build: Xcode 12 support

* build: xcode 12 support, cmake fixes

* ts: eliminate clang 11 warnigns

* 3rdparty: clang 11 warnings

* features2d: eliminate build warnings

* test: warnings

* gapi: warnings from 18928
 2020-11-26 22:56:59 +00:00
Alexander Alekhin
7459613623 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-11-05 18:59:10 +00:00
Mark Shachkov
039795b405 Change naming of keypoints comparator 2020-11-03 21:54:56 +03:00
Alexander Alekhin
0428dce27d Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-09-01 20:59:00 +00:00
Alexander Alekhin
efcf307b4c ocl: cleanup dead code in case of disabled OpenCL 2020-08-31 11:30:42 +00:00
Alexander Alekhin
f6c2bf21c8 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-08-21 19:57:34 +00:00
Alexander Alekhin
2c1f3487a4 Merge pull request #18037 from danielenricocahall:improve-brisk-init-perf 2020-08-18 20:06:17 +00:00
danielenricocahall
ac177b849c Improve initialization performance of Brisk 
reformatting

Improve initialization performance of Brisk

fix formatting

Improve initialization performance of Brisk

formatting

Improve initialization performance of Brisk

make a lookup table for ring

use cosine/sine lookup table for theta in brisk and utilize trig identity

fix ring lookup table

use cosine/sine lookup table for theta in brisk and utilize trig identity

formatting

use cosine/sine lookup table for theta in brisk and utilize trig identity

move scale radius product to ring loop to ensure it's not recomputed for each rot

revert change

move scale radius product to ring loop to ensure it's not recomputed for each rot

remove rings lookup table

move scale radius product to ring loop to ensure it's not recomputed for each rot

fix formatting of for loop

move scale radius product to ring loop to ensure it's not recomputed for each rot

use sine/cosine approximations for brisk lookup table.

add documentation for sine/cosine lookup tables

Improve initialization performance of BRISK
 2020-08-18 07:11:21 -04:00
Alexander Alekhin
8753203df0 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-08-17 10:29:12 +00:00
Yosshi999
1834eed809
Merge pull request #18001 from Yosshi999:sift-8bit-descr 
* 8-bit SIFT descriptors

* use clearer parameter

* update docs

* propagate type info

* overload function for avoiding ABI-break

* bugfix: some values are undefined when CV_SIMD is absent
 2020-08-17 10:28:44 +00:00
Alexander Alekhin
fa25faa2d2 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-08-06 14:15:52 +00:00
Yosshi999
922108060d
Merge pull request #17907 from Yosshi999:gsoc_asift-py2cpp 
* Implement ASIFT in C++

* '>>' should be '> >' within a nested template

* add a sample for asift usage

* bugfix empty keypoints cause crash

* simpler initialization for mask

* suppress the number of lines

* correct tex document

* type casting

* add descriptorsize for asift

* smaller testdata for asift

* more smaller test data

* add OpenCV short license header
 2020-08-03 14:11:55 +00:00
Alexander Alekhin
e5e767abc1 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-07-13 19:54:49 +00:00
Alexander Alekhin
d41b20b268 Merge pull request #17830 from alalek:fix_17815 2020-07-13 18:52:34 +00:00
Alexander Alekhin
36da867caf features2d: v_fma => v_muladd for integers 2020-07-13 17:31:08 +00:00
Alexander Alekhin
b96e9a4a4a Merge pull request #17800 from Yosshi999:gsoc_sift-universal-intrinsic 2020-07-11 19:09:21 +00:00
Alexander Alekhin
e18df87a15 Merge pull request #17635 from jsxyhelu:3.4 2020-07-10 15:11:53 +00:00
jsxyhelu
476094ad5a Use“ moms” replace "contourArea" 
double area = moms.m00;
is same as
double area = contourArea(contours[contourIdx]);
Not to mention
"moms" already calculated here,"contourArea" should not apply
 2020-07-10 11:05:24 +00:00
Yosshi999
0df8fb70b4 use bufferarea for allocating buffer 2020-07-09 16:50:20 +00:00
Maksim Shabunin
41678fe3d3 Fixed checkMasks in DescriptorMatcher with train descs in UMats 2020-07-09 16:05:20 +03:00
Alexander Alekhin
44d473fba0 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-07-08 21:03:43 +00:00
Yosshi999
920c180052 use universal SIMD intrinsics for SIFT 2020-06-30 06:44:12 +00:00
Alexander Alekhin
a711e2aa41 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-06-29 21:19:09 +00:00
Yosshi999
4064d4c7eb
Merge pull request #17618 from Yosshi999:gsoc_sift-better-test 
Added/Fixed testcases for SIFT

* merge perf_sift into conventional perf tests

* Fix disabled SIFT scale invariance tests

allows trainIdx duplication in matching scaled keypoints
 2020-06-25 11:34:31 +00:00
Alexander Alekhin
06bff34a6b Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-05-12 19:24:28 +00:00
Alexander Alekhin
1f9713195b features2d(sift): enable runtime dispatching 2020-05-03 11:59:27 +00:00
Alexander Alekhin
c05ac8729e features2d: keep history of simd.cpp 2020-04-27 18:19:14 +00:00
Alexander Alekhin
9926a93a78 features2d: copy sift.dispatch.cpp 2020-04-27 18:18:16 +00:00
Alexander Alekhin
7093752cb5 features2d: copy sift.simd.hpp 2020-04-27 18:17:15 +00:00
Alexander Alekhin
152e6476d9 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-04-24 19:02:39 +00:00
Alexander Alekhin
a327418767 features2d(sift): move SIFT tests / headers / build fixes 2020-04-23 08:45:22 +00:00
Alexander Alekhin
ed58b5489f [move sift.cpp] sift: avoid inplace calls of GaussianBlur 
- should unlock IPP optimizations

original commit: ce7c8f2646
 2020-04-16 17:58:45 +00:00
Alexander Alekhin
ef5fa498d4 [move sift.cpp] sift: perf tests and trace regions 
original commit: a15e105db1
 2020-04-16 17:58:45 +00:00
Alexander Alekhin
ca9756f6a1 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-04-13 20:00:12 +00:00
Alexander Alekhin
f0ffc52435 fix files permissions 2020-04-13 04:29:55 +00:00
Maksim Shabunin
d4d95bd70d Fixs several problems found by static analysis 2020-03-16 19:15:26 +03:00
Maksim Shabunin
7e7bb3027c Fixs several problems found by static analysis 2020-03-16 19:03:24 +03:00
Alexander Alekhin
45d073f889 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-02-26 20:09:03 +03:00
Maksim Shabunin
bf96d8239d Use BufferArea in more places 2020-02-26 11:45:19 +03:00
Alexander Alekhin
fb61f88b9c Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2020-01-12 09:35:39 +00:00
Alexander Alekhin
e180cc050b
Merge pull request #16236 from alalek:fix_core_simd_emulator 
* core: fix intrin_cpp, allow to build modules with SIMD emulator

* core(arithm): fix v_zero initialization

* core(simd): 'strict' types for binary/bitwise operations

* features2d: avoid aligned load issue in GCC 5.4 with emulated SIMD

* core(simd): alignment checks in SIMD emulator
 2020-01-10 21:31:02 +03:00
Brian Wignall
f9c514b391 Fix spelling typos 
backport commit 659ffaddb4
 2019-12-27 12:46:53 +00:00
Brian Wignall
659ffaddb4 Fix spelling typos 2019-12-26 06:45:03 -05:00
ab-dragon
2947877871 [move sift.cpp] Merge pull request opencv/opencv_contrib#2301 from ab-dragon:conditionally_compute_dog_pyramid 
Build DoG Pyramid if useProvideKeypoints is false

The buildDoGPyramid operation need not be performed unconditionally. In cases where it is not needed, both memory and speed performance can be improved

original commit: e45887e1c0
 2019-11-01 21:28:18 +03:00
Alexander Alekhin
fadb90c579 [move sift.cpp] xfeatures2d: use updated TLS API 
original commit: 3e4fb8f415
 2019-10-20 14:17:05 +00:00
Alexander Alekhin
1661e83939 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2019-08-30 16:22:42 +03:00
ChipKerchner
51ceabb2eb Change fast corner flags in HAL version from char array to single int 2019-08-20 13:25:35 -05:00
Alexander Alekhin
097d81363b Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2019-07-02 21:17:45 +00:00
Rafa Gomez-Jordana
9a24886282 Fix blob detector insertion sort 2019-07-02 19:54:27 +00:00
Vitaly Tuzov
9befb7a1d7 Merge pull request #14916 from terfendail:wsignmask_deprecated 
* Avoid using v_signmask universal intrinsic and mark it as deprecated

* Renamed v_find_negative to v_scan_forward
 2019-07-01 19:53:51 +03:00