Commit Graph

1044 Commits

Author SHA1 Message Date
Mark Shachkov 039795b405 Change naming of keypoints comparator 2020-11-03 21:54:56 +03:00
Alexander Alekhin efcf307b4c ocl: cleanup dead code in case of disabled OpenCL 2020-08-31 11:30:42 +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
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
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 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 4dd9a36a3c Added test for checkMasks with UMat train descs 2020-07-09 16:22:19 +03:00
Maksim Shabunin 41678fe3d3 Fixed checkMasks in DescriptorMatcher with train descs in UMats 2020-07-09 16:05:20 +03:00
Yosshi999 920c180052 use universal SIMD intrinsics for SIFT 2020-06-30 06:44:12 +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 Smorkalov 821fac187c Generate constructor with smart pointer, if it's expected. 2020-05-29 16:40:19 +03:00
Alexander Alekhin ea0d1424d8 Merge pull request #17287 from tomoaki0705:fixAkazeTestFailureMali 2020-05-14 06:59:28 +00:00
Tomoaki Teshima 35245cb76e fix test failure on Mali T760 and Mali T628 2020-05-14 05:44:14 +09:00
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 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: https://github.com/opencv/opencv_contrib/commit/ce7c8f2646ccf3f5e657ab1241e22c0c32cd9d41
2020-04-16 17:58:45 +00:00
Alexander Alekhin ef5fa498d4 [move sift.cpp] sift: perf tests and trace regions
original commit: https://github.com/opencv/opencv_contrib/commit/a15e105db12aa7a0bade47afb791682201e46f60
2020-04-16 17:58:45 +00:00
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: https://github.com/opencv/opencv_contrib/commit/e45887e1c097db6e5f75dc70d7723203bcafa5f1
2019-11-01 21:28:18 +03:00
Alexander Alekhin fadb90c579 [move sift.cpp] xfeatures2d: use updated TLS API
original commit: https://github.com/opencv/opencv_contrib/commit/3e4fb8f415ba68c56ba2cded1ab10a75c46d342e
2019-10-20 14:17:05 +00:00
Alexander Alekhin fd46684bf8 [move sift.cpp] opencv: use cv::AutoBuffer<>::data()
original commit: https://github.com/opencv/opencv_contrib/commit/fc69aa57bc021422d825a4331f7ddf7d9f7534e7
2018-06-13 19:11:18 +00:00
Alexander Alekhin 9badb0d903 [move sift.cpp] xfeatures2d: apply CV_OVERRIDE/CV_FINAL
original commit: https://github.com/opencv/opencv_contrib/commit/ec65e5b29c1c4928aee3d56a44bb399d4af6b61a
2018-03-28 16:50:00 +03:00
Vitaly Tuzov c5f06814bc [move sift.cpp] Updated internal calls to linear resize to use bit-exact version
original commit: https://github.com/opencv/opencv_contrib/commit/8c394a4f2e02994f21c3cf88706ad62d65b53431
2017-12-14 13:00:09 +03:00
woody.chow 69d43e2997 [move sift.cpp] Remove unnecessary _mm256_round_ps
original commit: https://github.com/opencv/opencv_contrib/commit/b5340f6428b6d48445947b16ef2df04552451330
2017-09-26 10:12:30 +09:00
Woody Chow 0f0dea79fc [move sift.cpp] Use TLS instead of mutex in SIFT
original commit: https://github.com/opencv/opencv_contrib/commit/ab43a3b2d99c490be8635987923e7571fd95a0c9
2017-05-31 15:08:32 +09:00
Woody Chow b6d636214e [move sift.cpp] Multithreading findScaleSpaceExtremaComputer. Sort the keypoints afterwards to make the output stable
original commit: https://github.com/opencv/opencv_contrib/commit/6be2945abb0dcff2e038b5f23c7c7716da69ede9
2017-05-31 10:02:09 +09:00
Woody Chow 4b64955a12 [move sift.cpp] Parallelize calcDescriptors and buildDoGPyramid. Simplify 2 lines of AVX2 instructions
original commit: https://github.com/opencv/opencv_contrib/commit/443f68cb71128d5ae27e8771a91f7641f9450685
2017-03-24 16:31:18 +09:00
Woody Chow 546239a3a8 [move sift.cpp] Optimize SIFT with AVX2
original commit: https://github.com/opencv/opencv_contrib/commit/c5e55dfde96307fef12fc55f63d6a600fd784582
2017-03-08 10:08:50 +09:00
Suleyman TURKMEN 8be0a3452d [move sift.cpp] Update sift.cpp
original commit: https://github.com/opencv/opencv_contrib/commit/cb7b59f203bf06586d6176ac812e0ee382cedcf1
2016-12-23 13:21:30 +03:00
Martin Nowak 99d914ea3b [move sift.cpp] fix overflow issue when computing diagonal
- with big images the int multiplication can overflow

original commit: https://github.com/opencv/opencv_contrib/commit/d4df727d380887fdd880fdb5430cf4680a4ad19b
2016-06-11 17:51:46 +02:00
Maksim Shabunin 24284d3d17 [move sift.cpp] Fixed HAL headers location
original commit: https://github.com/opencv/opencv_contrib/commit/f529a1df2b17bcada1179ddcaf1352e3a5ba97b8
2015-12-15 18:41:26 +03:00
Vadim Pisarevsky 9fc872b70b [move sift.cpp] fixed contrib code to match the HAL
original commit: https://github.com/opencv/opencv_contrib/commit/cdddcc8237627f667d66daffb3fcb3af39a3e673
2015-04-16 22:52:05 +03:00
Vadim Pisarevsky e3654d5416 [move sift.cpp] refactored xfeatures2d in the same style as features2d
original commit: https://github.com/opencv/opencv_contrib/commit/0cfd795303c414aada6d10701e0de4995841210c
2014-10-16 16:33:21 +04:00
Alexander Alekhin d92bee821d Merge upstream branch 2020-04-21 06:20:05 +00:00
Alexander Alekhin df10411e05 features2d(sift): patent expiration note 2020-04-21 06:19:16 +00:00
Alexander Alekhin 44e9fb306d features2d(sift): code from nonfree module 2020-04-21 04:14:18 +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 bf96d8239d Use BufferArea in more places 2020-02-26 11:45:19 +03:00
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
Alexander Alekhin 4dfa0a0383 bindings: basic support for #if preprocessor directives
- #if 0
- #ifdef __OPENCV_BUILD
2019-12-04 18:42:31 +03:00