OpenCV does not respect exif orientation in PNG file category: imgcodecs effort: few days feature good first issue

#16579 opened Feb 13, 2020 by CodArs-van

8

Suggestion for creation of OpenCV technical notes category: documentation pr: Discussion Required

#17217 opened May 5, 2020 by catree

3

CMake: make public version of BUILD_LIST feature category: build/install category: documentation feature

#17189 opened Apr 29, 2020 by alalek

Inconsistency between mymath.js and mymath.sty Hackathon bug category: documentation

#16989 opened Apr 5, 2020 by albert-github

python code in tutorial doesn't work Hackathon category: documentation category: python bindings

#17044 opened Apr 13, 2020 by qingshihuangdi

Possible error in documentation of initUndistortRectifyMap RFC category: calib3d category: documentation

#17067 opened Apr 14, 2020 by decadenza

2

make the Android Studio integration easier category: documentation platform: android

#17100 opened Apr 18, 2020 by windmaple

7

Build guide for Android is outdated category: documentation platform: android

#17202 opened May 1, 2020 by fabio-C

4

documentation: discontinue "opencv-python-tutroals" category: documentation

#17016 opened Apr 8, 2020 by crackwitz

2

an ERROR in document of category: documentation category: imgproc incomplete

#16761 opened Mar 9, 2020 by SiriusWilliam

1

Invalid parameters description in Java documentation for findContours Hackathon category: documentation category: java bindings

#16252 opened Dec 29, 2019 by lanslans

1

DetectionOutput layer doc category: dnn category: documentation good first issue

#14645 opened May 27, 2019 by LaurentBerger

2

Documentation for cmake-gui build flags category: documentation

#15967 opened Nov 21, 2019 by MGarvinNYC

6

Prepare a guideline for universal intrinsics development RFC category: documentation

#15656 opened Oct 7, 2019 by terfendail

Documentation deprecated Hackathon category: documentation category: gpu/cuda (contrib)

#15302 opened Aug 14, 2019 by rgrenonlkr

3

dead link in https://opencv.org/opencv4android-usage-models/ Hackathon category: documentation platform: android

#15264 opened Aug 8, 2019 by LaurentBerger

4

Inconsistent docs - cv2.ellipse() axes parameter takes FULL length, instead of half invalid question (invalid tracker)

#17135 opened Apr 22, 2020 by mkaskow-mc

1

Reduce top memory consumption of dnn module for FP16 precision category: dnn effort: ∞ good first issue optimization

#13413 opened Dec 11, 2018 by dkurt

1

javadoc: improve content rendering of Java wrappers category: documentation category: java bindings feature vote

#14766 opened Jun 8, 2019 by alalek

6

JS: Easier access to opencv.js file category: javascript (js)

#17094 opened Apr 16, 2020 by bkouchi

1

G-API incomplete documentation category: documentation category: g-api / gapi

#15147 opened Jul 25, 2019 by boulabiar

1

opencv4.2 multi-thread call opencv interface cause memory leak priority: low

#17154 opened Apr 25, 2020 by remember505

2

NaN comparison fails on certain image sizes RFC bug category: core priority: low

#16465 opened Jan 29, 2020 by planetmarshall

6

cv2.error: OpenCV(3.4.2) /io/opencv/modules/flann/src/miniflann.cpp:315: error: (-210:Unsupported format or combination of formats) in function 'buildIndex_' incomplete question (invalid tracker)

#17209 opened May 3, 2020 by InstantWindy

Crash due to negative focal length in bundle adjustment bug category: stitching needs investigation

#17002 opened Apr 7, 2020 by AleCaldini

2

Positional Argument `outImg` Should Be Keyword Argument in cv2.drawMatches category: documentation category: python bindings

#14461 opened Apr 30, 2019 by zhanwenchen

1

DCT_INVERSE flag is ignored Hackathon category: core category: python bindings

#17038 opened Apr 12, 2020 by hananbeer

cvtColorTwoPlane gives wrong output when Y Plane Mat has step bug category: imgproc confirmed feature

#17036 opened Apr 12, 2020 by coroner4817

1

G-API: gapi::own::Mat does not fully support ROI cv::Mat category: g-api / gapi

#16748 opened Mar 6, 2020 by andrey-golubev

2

opencv.js detectMultiScale piles up a lot of memory when using large images category: javascript (js)

#17034 opened Apr 11, 2020 by kcg

matchShapes turns large mismatches into perfect matches Hackathon category: imgproc feature

#16997 opened Apr 6, 2020 by tom131313

1

Error in video writing tutorial question (invalid tracker)

#16329 opened Jan 12, 2020 by themechanicalcoder

Updating installation instructions, adding package manager installation and macOS category: documentation

#13822 opened Feb 13, 2019 by janek

3

cv2.Rodrigues fails to produce original rotation matrix from rotation vector category: calib3d question (invalid tracker)

#16778 opened Mar 11, 2020 by LukasBommes

3

Feature request: equivalent of moveaxis (Python/Numpy) and permute (MATLAB) category: core effort: few days feature

#16799 opened Mar 12, 2020 by Lotte1990

3

CUDA link error when building project with CUDA category: build/install category: gpu/cuda (contrib) question (invalid tracker)

#16949 opened Apr 2, 2020 by jsemeda

Installation with OpenNI Problem question (invalid tracker)

#16755 opened Mar 7, 2020 by Moya4613

HoughLines accumulator not being returned in Python affected: 3.4 category: python bindings feature

#17050 opened Apr 13, 2020 by akiross

Add Objective-C/Swift wrapper for improved iOS/macOS integration category: build/install feature platform: ios/osx

#17164 opened Apr 27, 2020 by komakai

1

null-pointer-dereference and buffer overflow: OpenCV 3.4 affected: 3.4 category: core priority: low

#16951 opened Apr 2, 2020 by SamirRehm

4

Misleading Net::getPerfProfile for OpenCL target category: dnn category: documentation

#13873 opened Feb 20, 2019 by versusvoid

2

OpenCV JS Tutorial about VideoCapture on Safari for iOS is not working category: javascript (js) platform: ios/osx

#15707 opened Oct 15, 2019 by josefgrunig

1

[Proposal] Remove code for old compute capability category: gpu/cuda (contrib)

#16649 opened Feb 23, 2020 by atinfinity

4

imgproc: missing check for odd kernel size in getGaussianKernel() RFC bug category: imgproc

#15856 opened Nov 6, 2019 by alalek

2

undefined reference to 'cv::findContours(cv::_InputArray const&, cv::_OutputArray const&, cv::_OutputArray const&, int, int, cv::Point_<int>)' incomplete platform: android

#16678 opened Feb 27, 2020 by JunWeston

7

Add [minimal] type information to the images created using the Python wrapper of opencv RFC category: python bindings

#16611 opened Feb 18, 2020 by Coderx7

2

Error compile opencv4/opencv2/xfeatures2d.hpp invalid question (invalid tracker)

#17003 opened Apr 7, 2020 by ren1793753

unrepresentable indices in max_pooling/max_unpooling in fp16 target leads to illegal memory accesses bug category: dnn feature

#15996 opened Nov 26, 2019 by YashasSamaga

1

improc drawing: undocumented behavior, unpredictable line thickness, etc... RFC category: imgproc priority: low

#15604 opened Sep 27, 2019 by crackwitz

4

Add Line(Line Segment and LineRay) RFC priority: low

#16843 opened Mar 17, 2020 by FilipSykalaElektromar

1

OpenCV java vm crashes should be avoided bug category: java bindings incomplete needs reproducer

#16431 opened Jan 25, 2020 by WolfgangFahl

2

Manually specifying `VULKAN_LIBRARIES` does not work in cmake Hackathon bug category: build/install

#16854 opened Mar 20, 2020 by abhiTronix

Can't find zlib1.dll/zlibd1.dll with own built opencv installation invalid question (invalid tracker)

#17051 opened Apr 13, 2020 by zchrissirhcz

1

numpy + opencv matrix multiplication error category: 3rdparty incomplete

#17124 opened Apr 21, 2020 by andyseve

6

Make deb package fails with dpkg-shlibdeps error category: build/install priority: low

#16318 opened Jan 10, 2020 by moberweger

2

Make OpenCV an Official Emscripten Port category: javascript (js) priority: low

#15583 opened Sep 24, 2019 by frastlin

1

Point could be made optional when the size of the src is the same as dest? RFC category: photo

#15928 opened Nov 17, 2019 by tati-z

5

There seems to be a bug in modules/calib3d/src/stereobm.cpp at line 685. category: calib3d

#16186 opened Dec 17, 2019 by SQ-Duan

Compile error opencv_world category: build/install category: gpu/cuda (contrib) question (invalid tracker)

#16958 opened Apr 2, 2020 by wangwenchao-job

7

22 modules (main and contrib) depend on opencv_flann module (cv::flann::Index instead of cv::DescriptorMatcher) category: build/install feature priority: low

#16814 opened Mar 14, 2020 by TieSKey

Can't compile opencv 3.4.9 with gstreamer, error in test_gstreamer category: build/install platform: ios/osx priority: low test

#16425 opened Jan 24, 2020 by kiodos

3

CV_OCL_RUN_ (the default implementation) should not swallow exceptions RFC category: ocl

#15850 opened Nov 5, 2019 by debruyckere

4

Segmentation fault when inheriting from openCV cpp-classes in Python category: python bindings feature

#15804 opened Oct 29, 2019 by tillhainbach

1

Set CAP_PROP_ZOOM not working (python & directshow) bug category: videoio(camera) platform: win32 priority: low

#15989 opened Nov 25, 2019 by Lgum

3

the location of tutorial(cuda module) is not appropriate category: contrib category: documentation category: gpu/cuda (contrib)

#13111 opened Nov 11, 2018 by atinfinity

Support the property CAP_PROP_SETTINGS under linux category: videoio(camera) feature priority: low

#16909 opened Mar 26, 2020 by Alan-li

2

CAP_PROP_AUTO_EXPOSURE not working with DSHOW backend Hackathon category: videoio(camera) feature platform: win32 priority: low

#17019 opened Apr 8, 2020 by dmardanbeigi

2

Make window resizable in samples category: highgui-gui feature

#15772 opened Oct 24, 2019 by asmorkalov

1

Documentation calib3d. R - same name for different matrix. category: calib3d category: documentation

#13523 opened Dec 25, 2018 by aleksey-nikolaev

4

setMouseCallback doc in python category: documentation category: highgui-gui category: python bindings

#12899 opened Oct 23, 2018 by LaurentBerger

3

Feature request: support batch resize category: gpu/cuda (contrib) feature priority: low

#16021 opened Nov 29, 2019 by pmalekn

2

Failing tests for Split layer category: dnn

#16587 opened Feb 14, 2020 by czgdp1807

6

DualTVL1OpticalFlow parameter lambda category: python bindings

#16142 opened Dec 12, 2019 by VasylVaskivskyi

1

initUndistortRectifyMap allows empty camera matrix? question (invalid tracker)

#15865 opened Nov 7, 2019 by Kallista

Pre-built iOS frameworks have bad structure category: build/install platform: ios/osx

#16668 opened Feb 25, 2020 by JetForMe

module 'cv2.cv2' has no attribute 'linemod' category: contrib question (invalid tracker)

#15767 opened Oct 24, 2019 by SongZRui

OpenCV Seamless Clone CUDA Support category: gpu/cuda (contrib) feature priority: low

#16404 opened Jan 22, 2020 by ivder

CMakeFiles\opencv_python.dir/objects.a(cv2.cpp.obj):cv2.cpp:(.text$initcv2+0x1755): undefined reference to `__imp_Py_InitModule4' affected: 2.4 priority: low

#15490 opened Sep 10, 2019 by liuyang77886

Decode with multiple GPUs: How can I specify whichi gpu to use in cv::VideoCapture()? category: gpu/cuda (contrib) category: videoio feature priority: low

#16598 opened Feb 17, 2020 by AlbertHuyb

Nightly(2020-02-27): calib3d Calib3d_StereoSGBM_HH4.regression category: calib3d priority: low test

#16681 opened Feb 27, 2020 by alalek

3

cvtColor perf test and Haar face detector failed with OpenCV.js+simd bug category: javascript (js)

#15794 opened Oct 28, 2019 by Wenzhao-Xiang

1

CUDA Canny missing edges near image border category: gpu/cuda (contrib) category: imgproc incomplete

#16973 opened Apr 3, 2020 by jussyr

dnn(permute): reduce permute to reshape (or transpose) whenever possible and work inplace category: dnn feature optimization

#16306 opened Jan 8, 2020 by YashasSamaga

4

Incorrect error message in cv2.rectangle category: python bindings

#16432 opened Jan 25, 2020 by MrGrayCode

3

Unify fisheye and omnidir API RFC category: calib3d

#16601 opened Feb 17, 2020 by kmilos

Android install aar category: build/install feature platform: android

#16454 opened Jan 28, 2020 by huangqinjin

dnn(Scale): errornous handling of batch inputs in untrainable scale mode bug category: dnn

#16630 opened Feb 21, 2020 by YashasSamaga

2

iOS binary error. incomplete platform: ios/osx question (invalid tracker)

#16451 opened Jan 28, 2020 by OneSecure

fillPoly cannot be used Hackathon category: imgproc

#16875 opened Mar 22, 2020 by SYKhor

1

OpenCV DNN throws exception with DeepLab MobileNet v2 frozen graph category: dnn

#15568 opened Sep 23, 2019 by ArtificialNotImbecile

OE-30 "Color Calibration" Discussion evolution

#16207 opened Dec 20, 2019 by garybradski

1

Converting from RGB to BGR or vice versa with cv2.cvtColor(img, cv2.COLOR_RGB2BGR and BGR2RGB) not working question (invalid tracker)

#15408 opened Aug 28, 2019 by JennyLouise

1

Building OpenCV.js with projectPoints + solvePnP category: javascript (js)

#15299 opened Aug 14, 2019 by kavikode

27

build aruco.DetectorParameters in Javascript category: javascript (js)

#15514 opened Sep 13, 2019 by frastlin

matchTemplate with SQDIFF_NORMED clips at 1.0 bug category: imgproc

#15215 opened Aug 3, 2019 by jumostedu

OpenCV 4.1.2 OpenCL SVM Build Error category: build/install category: ocl incomplete

#16181 opened Dec 17, 2019 by oras

7

Feature request: eigenNonSymmetric() with complex eigenvalues RFC feature

#16298 opened Jan 6, 2020 by catree

5

Strange results of matchTemplate using TM_CCORR_NORMED with mask category: imgproc

#15768 opened Oct 24, 2019 by AutumnSun1996

4

flann::Index::radiusSearch(): rename argument "radius" to "squaredRadius" category: documentation category: flann

#12683 opened Sep 28, 2018 by wpalfi

2

Cannot load info library for OpenCV platform: android

#15567 opened Sep 22, 2019 by hajsf

2

Build Raspbain Segmentation fault bug category: 3rdparty platform: arm

#15334 opened Aug 19, 2019 by paulbauriegel

18

Error while reading DeeplabV3+ xception_65 model in Opencv4.0 category: dnn

#15046 opened Jul 15, 2019 by RustSon

17

Feature Request: 3+ dimension GpuMat RFC category: gpu/cuda (contrib)

#15897 opened Nov 12, 2019 by Llcoolsouder

SIGABRT by cv::Exception on ocl.cpp:4908 -> CV_Assert(u->origdata == data); category: ocl

#15574 opened Sep 23, 2019 by TieSKey

4

Gaussian blur GPU tests not providing correct clBuildProgram flags to pocl bug category: imgproc category: ocl

#16214 opened Dec 20, 2019 by aarongreig

3

Incorrect error message for non-integer points in rectangle draw function: TypeError: function takes exactly 4 arguments (2 given) category: python bindings

#15465 opened Sep 5, 2019 by maxschommer

6

OpenCV tries and fails to build disabled tests category: build/install

#15381 opened Aug 23, 2019 by extrowerk

2

Cudev doc category: documentation category: gpu/cuda (contrib) priority: low

#12149 opened Aug 5, 2018 by LaurentBerger

Inf/Nan in cvProjectpoints2 category: calib3d

#14703 opened Jun 3, 2019 by bhack

4

cv::magnitudeSqr and cv::magnitude(InputArray xy,...) ?

#15677 opened Oct 9, 2019 by chacha21

Incorrect chessboard corners returned by findChessboardCornersSB Hackathon bug category: calib3d

#15712 opened Oct 16, 2019 by lpea

3

warpAffine: correct coordinate system, documentation and incorrect usage RFC category: documentation category: imgproc future

#11784 opened Jun 17, 2018 by andreaplanet

6

MSER keypoints should be ellipses (which should be taken by descriptors like SIFT) RFC category: features2d

#15542 opened Sep 18, 2019 by cyberbeat

OpenCV_DIR wrong in documentation? category: documentation good first issue

#10645 opened Jan 19, 2018 by cjamin

7

OpenCV VideoCapture::read reads an empty matrix mid video bug category: videoio

#15352 opened Aug 20, 2019 by Sharan123

5

Crop and resize to work with blobFromImages category: dnn feature

#15149 opened Jul 25, 2019 by usamahjundia

1

where to get the value range of property of VideoCapture::set(id, value)? category: videoio feature priority: low

#15219 opened Aug 4, 2019 by ZhengPan2014

1

OpenCV does not read Logitech C920 .wmv files incomplete question (invalid tracker)

#15841 opened Nov 3, 2019 by auesro

OpenCV.js assigned Mat object memory isnt collected by garbage collection RFC category: javascript (js)

#15060 opened Jul 16, 2019 by slushnys

6

Implicit Type Casting (Matrix to vector of Matrices) category: core future

#13959 opened Mar 4, 2019 by TheCynosure

3

OpenCV(4.1.0) H:\opencv\source\opencv-4.1.0\modules\dnn\src\tensorflow\tf_importer.cpp:497: error: (-2:Unspecified error) Input layer not found: ROI/split/valu e in function 'cv::dnn::dnn4_v20190122::`anonymous-namespace'::TFImporter::connect' category: dnn question (invalid tracker)

#14527 opened May 10, 2019 by lunasdejavu

4

imread Should Raise If Path Doesn't Exist category: imgcodecs

#14095 opened Mar 18, 2019 by zhanwenchen

4

SeamFinder don't update the masks as expected with python bindings category: stitching needs investigation

#15520 opened Sep 13, 2019 by vilaa

Maybe tidy up optical flow implementations RFC category: video

#15394 opened Aug 26, 2019 by chacha21

1

bug in videoio dshow access violation exception category: videoio incomplete needs investigation needs reproducer platform: win32

#14896 opened Jun 26, 2019 by fogelton

2

Can't read File using cv::FileStorage from files with very long path and filenames category: core priority: low

#15146 opened Jul 25, 2019 by tompollok

1

VNG demosaicing does not support 16U or Neon category: imgproc feature priority: low

#15327 opened Aug 18, 2019 by llschloesser

2

POSIT in C++? category: documentation

#11788 opened Jun 18, 2018 by jiapei100

2

Better bring out info on contributing to docs + clarify search bars in new documentation RFC category: documentation priority: low

#11423 opened Apr 28, 2018 by keikoro

5

Matrix size overflow in core/src/matrix.cpp category: core feature priority: low

#15281 opened Aug 12, 2019 by YoannAvantGout

3

LineIterator pos() overflows when coordinates and/or base data type is large

#14326 opened Apr 14, 2019 by tomforge

OpenCV failed due to "error C2039: 'min': is not a member of 'std'" under /permissive- + MSVC category: 3rdparty category: build/install

#15210 opened Aug 2, 2019 by QuellaZhang

1

multibandblender does not work well incomplete needs reproducer

#14992 opened Jul 8, 2019 by winmler

1

Compile error building 4.1.0 with x86_64-w64-mingw32-gcc under cygwin category: 3rdparty category: build/install platform: win32 priority: low

#15073 opened Jul 17, 2019 by g19fanatic

3

arm: GaussianBlur wrong gray value with some kernel size bug category: imgproc platform: arm

#14893 opened Jun 26, 2019 by Chen-JQ

Python typing stub category: python bindings feature

#14590 opened May 21, 2019 by milliams

Core.NATIVE_LIBRARY_NAME and Jni so files name should be identicals bug category: build/install category: java bindings

#14437 opened Apr 27, 2019 by talregev

1

Request to change the test code(or interface?) RFC category: python bindings

#14204 opened Mar 31, 2019 by tegusi

2

cv2 resize channel limited RFC category: imgproc category: python bindings

#14770 opened Jun 10, 2019 by chrisluu

3

Opencv-dnn(4.1.0) test_perf_dnn crush in win10 with certain output channel category: dnn category: ocl

#15109 opened Jul 21, 2019 by Silas606

3

Latest doxygen (1.8.14) segfaults category: documentation incomplete

#10862 opened Feb 14, 2018 by cwilling

3

Convolutional-LSTM models for object Detection on Video with much higher accuracy category: dnn feature priority: normal

#15033 opened Jul 12, 2019 by AlexeyAB

5

warpAffine with cv2.BORDER_TRANSPARENT produces different results on static data

#13834 opened Feb 14, 2019 by iperov

2

Mat is constructed incorrectly in debug from an empty ROI question (invalid tracker)

#15018 opened Jul 11, 2019 by wisealex2

Documentation of available builders, docker images, directives for testing, etc category: infrastructure

#12634 opened Sep 24, 2018 by cv3d

Feature request: cv::erf() and cv::erfc() feature priority: low

#14357 opened Apr 17, 2019 by llschloesser

4

ncurses.h incompatibility category: 3rdparty category: build/install

#14348 opened Apr 16, 2019 by alejandro-colomar

4

Android build should check well known locations for NDK/cmake/ninja category: build/install feature platform: android

#13938 opened Mar 1, 2019 by komakai

1

OpenCV CocoaPod maintainer wanted category: infrastructure community help requested platform: ios/osx

#14405 opened Apr 24, 2019 by kylefleming

3

cv2.imread error when read a jp2 image with 7 channel category: imgcodecs priority: low

#14012 opened Mar 9, 2019 by seesky

Import Torch networks made by nngraph category: dnn feature good first issue

#9502 opened Aug 29, 2017 by dkurt

3

setWindowProperty will not put window into fullscreen mode unless window property set to WINDOW_NORMAL category: documentation category: highgui-gui

#10438 opened Dec 27, 2017 by ngaloppo

1

Missing estimation method, maxIteration and refinement option in cv::estimateAffine3D RFC category: calib3d category: documentation future

#10631 opened Jan 18, 2018 by csukuangfj

1

libc++abi.dylib: terminating with uncaught exception,modules/imgcodecs/src/loadsave.cpp:684: error: (-2:Unspecified error) could not find a writer for the specified extension in function 'imwrite_' question (invalid tracker)

#14381 opened Apr 21, 2019 by yuzhidi

some 4.0.0.1 examples show grey empty blank highgui GTK 2 and GTK 3 windows on armhf Debian Stretch category: highgui-gui platform: arm priority: low

#14039 opened Mar 12, 2019 by Joel-Mckay

SVM weights parameter not set question (invalid tracker)

#13863 opened Feb 19, 2019 by Alarty

2

RGB frames for video files with Alpha channel support category: videoio feature

#13394 opened Dec 8, 2018 by anmoluppal

1

OpenCV causes Weblogic to shut down affected: 2.4 incomplete needs investigation

#14589 opened May 21, 2019 by anyond

1

Python bindings build fails when source directory named "opencv2" bug category: build/install category: python bindings

#13248 opened Nov 22, 2018 by mshabunin

1

WINDOW_NORMAL does not work category: highgui-gui feature

#13995 opened Mar 7, 2019 by ferranrigual

Building OpenCV 4.1.0 / 3.4.6 with OpenGL, CUDA 10.1 and OpenCL category: build/install category: gpu/cuda (contrib) category: ocl priority: low

#14358 opened Apr 18, 2019 by kelanRoss

6

Understand Android sample build.gradle.in and CMakeLists.txt platform: android

#13740 opened Jan 31, 2019 by hannesa2

6

Frame offset points outside movi section error category: videoio incomplete

#13824 opened Feb 13, 2019 by ShuangjunLiu

Absent documentation for sub-pixel coordinate system RFC category: documentation category: imgproc

#10130 opened Nov 21, 2017 by Kirill888

6

Error to build OpenCV 4.0.1 in Debug mode from source category: build/install priority: low

#13546 opened Dec 29, 2018 by nikitaverbis

2

Missing documentation for choosing inliers in LMeDS estimation bug category: calib3d category: documentation

#10630 opened Jan 18, 2018 by csukuangfj

1

Undefined reference to 'gluLookAt' & 'gluPerspective' bug category: build/install category: samples

#12648 opened Sep 25, 2018 by rexfordnyrk

5

`minAreaRect` error with Intel C++ compiler incomplete

#14401 opened Apr 23, 2019 by Decyzy

2

_InputArray::getMat_ handling empty std::vector<T> RFC

#13773 opened Feb 7, 2019 by prclibo

1

Feature Request : Image stitcher to use Lat Lon of image (if available) so as to speed up stitching of drone Images category: stitching feature incomplete

#13558 opened Jan 2, 2019 by jitendrasinghiitg

6

fully connected layer::weightsMat clone missing category: dnn

#13711 opened Jan 28, 2019 by taarof

8

Cannot silence warnings from cv::VideoCapture with cv::utils::logging::setLogLevel category: videoio feature

#12780 opened Oct 9, 2018 by emptyVoid

4

pass ENVIRONMENT to Emscripten category: build/install category: javascript (js) feature priority: low

#13169 opened Nov 14, 2018 by dakom

fisheye.cpp:line 983 and line 997 cv::Mat(cv::Mat((imageLeft - projected).t()).reshape(1, 1).t()).copyTo(ekk.rowRange(0, 2 * n_points)); the size of imageLeft is [1*54], but the size of projected is [54 * 1] category: calib3d incomplete needs reproducer

#12979 opened Oct 29, 2018 by maliho0803

2

Could not able to read 4K mp4 file with OpenCV 3.4.5 with cuda toolkit 8.0 on Windows 10. It reads only few starting frames and then crashes. category: gpu/cuda (contrib) incomplete priority: low

#13968 opened Mar 4, 2019 by irfanms92

The parameter types for cv::solvePnP() is misleading bug category: calib3d

#12334 opened Aug 29, 2018 by csukuangfj

2

build failed using mingw dshow module in master category: build/install incomplete platform: other

#13549 opened Dec 31, 2018 by rdhafidh

1

Potential bug (rounding error?) in cv::mean() in OpenCV 4.0.0 category: core

#13638 opened Jan 16, 2019 by HansHirse

OpenCv 2.4.13.2 resize CV_16UC3 image will shuffle channels affected: 2.4 bug category: imgproc

#13190 opened Nov 17, 2018 by derek99401

1

wiki - Contributors page

#12375 opened Sep 1, 2018 by sturkmen72

3

Using cv::kmeans with flag cv::KMEANS_USE_INITIAL_LABELS produces exception

#13109 opened Nov 11, 2018 by bielu000

4

Documentation: eliminate absolute paths category: documentation

#9760 opened Oct 2, 2017 by alalek

1

Some search results cannot be accessed in the documentation category: documentation

#9964 opened Oct 30, 2017 by dustsigns

1

python: gen2.py generates constructors for abstract interfaces category: python bindings

#13022 opened Nov 2, 2018 by berak

1

OpenCV Cmake error make -j4 category: build/install category: gpu/cuda (contrib) question (invalid tracker)

#13308 opened Nov 27, 2018 by buzdarbalooch

3

cv::cuda::norm works only for single channel images. category: gpu/cuda (contrib)

#12785 opened Oct 9, 2018 by sam09

1

imgproc: use of undeclared identifier 'ippBorderFirstStageInMem' bug category: build/install category: imgproc priority: low

#13310 opened Nov 27, 2018 by sergiud

TIFF Image Writer Flags category: imgcodecs feature priority: low

#13921 opened Feb 26, 2019 by rssaini01

5

some issues with mosse's update

#13100 opened Nov 10, 2018 by HappyUncle

1

python cv2.projectPoints Assertion failed

#13567 opened Jan 3, 2019 by halcyon370

1

opencv-4.0.1 ,CUDA10.1, failed to build cudaimageproc duplicate

#13996 opened Mar 7, 2019 by Adhders

6

solvePnPRansac does not work on some doc stated input shapes (Python bindings) category: documentation

#9764 opened Oct 3, 2017 by alkasm

The output of cv::convertPointsFromHomogeneous does not match the documentation for points at infinity. category: calib3d category: documentation

#9973 opened Oct 30, 2017 by csukuangfj

5

JavaScript fastNlMeansDenoising() Support category: javascript (js) category: photo feature priority: low

#12890 opened Oct 21, 2018 by ammoradi

Documentation improvement plan category: documentation feature

#9520 opened Aug 31, 2017 by sturkmen72

3

Add support for cv.imwrite for opencvJS. category: javascript (js)

#13459 opened Dec 17, 2018 by riju

failing build opencv and opencv_contrib on Jetson TX2 incomplete question (invalid tracker)

#11946 opened Jul 12, 2018 by smafaith

1

Some functions in filterengine.hpp are not accessible any more RFC category: imgproc

#11913 opened Jul 8, 2018 by csukuangfj

1

Opencv 4.0.0-beta - Add Android pack to release page category: build/install category: infrastructure platform: android

#12872 opened Oct 18, 2018 by crazyhappygame

4

OpenGL code in samples/cpp/detect_mser.cpp RFC category: samples

#13004 opened Oct 31, 2018 by alalek

3

cv::medianBlur does not support to specify the border type. bug category: documentation category: imgproc

#9685 opened Sep 21, 2017 by csukuangfj

6

viz::WMesh is not documented (properly) category: documentation category: viz feature

#9499 opened Aug 29, 2017 by dustsigns

2

rfc: does Feature2D really need virtual inheritance ? RFC category: features2d

#12976 opened Oct 28, 2018 by berak

I want to know that why OpenCV not providing multiplying Mat by mask? question (invalid tracker)

#13795 opened Feb 11, 2019 by Bahramudin

2

imwrite/imencode Python binding fails with SystemError when using Numpy int type in params bug category: python bindings priority: low

#13521 opened Dec 25, 2018 by cuihaoleo

2

make install doesn't create bin/ after platforms/js/build_js.py RFC category: build/install category: javascript (js) priority: low

#11832 opened Jun 26, 2018 by timotheecour

3

cv::cvtColor does not properly take transparency into account category: imgproc wontfix

#13135 opened Nov 12, 2018 by PhilLab

10

dnn: assertion failure with multiple images bug category: dnn

#13626 opened Jan 13, 2019 by berak

3

python grabcut sample input window, issue with pop-up category: highgui-gui category: samples incomplete

#12882 opened Oct 20, 2018 by krishnadubba

1

Stitching: failed test: ParallelFeaturesFinder.IsSameWithSerial (master branch) bug category: stitching test

#13121 opened Nov 12, 2018 by alalek

cvtColor for BGR to YUV 4:2:0 returns darker image RFC category: imgproc

#13066 opened Nov 7, 2018 by navid-mahmoudian

5

Error in the documentation for cv::getRectSubPix. bug category: documentation category: imgproc

#9788 opened Oct 6, 2017 by csukuangfj

1

Drawing using fillPoly on a greyscale image using a 3-tuple does not throw an error category: python bindings wontfix

#12143 opened Aug 3, 2018 by chrisranderson

Highgui.imdecode() run ok on windows7, but return null on CentOS incomplete question (invalid tracker)

#12652 opened Sep 26, 2018 by xshy1992

Rect_<Tp> operator & return wrong result bug category: core priority: low

#11988 opened Jul 16, 2018 by UrielSalomon

7

Opencv failed to run 17 tests with release configuration and debug configuration category: calib3d platform: win32 priority: low

#12558 opened Sep 17, 2018 by spacelg

3

No way to get the properties of a video when using cuda::videoreader. category: gpu/cuda (contrib) wontfix

#12707 opened Sep 30, 2018 by sam09

2

4.0.0 does not produce pkgconfig file category: build/install question (invalid tracker) wontfix

#13154 opened Nov 13, 2018 by ekudritski

35

make VideoWriter::open() print out all appropriate fourcc codes category: videoio feature priority: low

#12472 opened Sep 8, 2018 by duanegi

FPS reduce when resize image - Opencv Android NDK question (invalid tracker)

#12329 opened Aug 28, 2018 by AnhQuanTran

lack of information of the Visual Studio 2017 category: documentation feature

#9542 opened Sep 2, 2017 by corona365

Documentation for reduce() function does not match its CV2 implementation in python category: documentation category: features2d feature

#9008 opened Jun 27, 2017 by sanjay-1

Incorrect error messages for cv2.ellipse category: python bindings

#12950 opened Oct 25, 2018 by Erotemic

2

Infrastructure: Python incorrect test summary category: infrastructure

#12679 opened Sep 28, 2018 by cv3d

C++ cv::VideoCapture.open(0) always return false on Android category: videoio(camera) effort: few weeks feature platform: android priority: low

#11952 opened Jul 12, 2018 by omatrot

14

documentation needs an extra step for running OpenCV from sbt affected: 2.4 bug category: documentation

#9118 opened Jul 7, 2017 by macheeto

C++ NDK cv::VideoCapture.open(http_url) return false on iOS category: videoio platform: ios/osx priority: low

#12378 opened Sep 2, 2018 by omatrot

3

Add Fix K1...K4 and FX/FY For Fisheye Calibration category: calib3d feature

#13450 opened Dec 15, 2018 by BananaHemic

3

get unexpected results when using the cv::cuda::warpPerspective on Nvidia tx2 category: gpu/cuda (contrib) incomplete priority: low

#12426 opened Sep 5, 2018 by sdy1106

2

'OpenCV_Install_Directory.png' in 'Installation in Windows' page is old category: documentation feature

#9543 opened Sep 2, 2017 by corona365

Documentation issue category: documentation feature

#9598 opened Sep 8, 2017 by sturkmen72

Bad error message from VideoWriter::open() about unknown fourcc RFC category: videoio

#12471 opened Sep 8, 2018 by duanegi

2

Run the official face-detection sample and find the problem incomplete

#12227 opened Aug 16, 2018 by MRYangY

3

pyopencv_generated_include.h:75:10: fatal error: opencv2/text/erfilter.hpp: No such file or directory invalid

#12640 opened Sep 25, 2018 by jiapei100

2

solvePnPRansac behavior wrt to the documentation category: calib3d category: documentation feature

#8782 opened May 23, 2017 by catree

float numbers are not supported by CV_CheckEQ category: core feature

#11973 opened Jul 14, 2018 by csukuangfj

unnecessary lookup table entries category: calib3d

#11861 opened Jun 30, 2018 by darkdragon-001

"Could not find any instance of visual studio" error in installOCV.sh category: build/install platform: win32 question (invalid tracker)

#12302 opened Aug 24, 2018 by willstout

3

cv::ml::SVM vector subscript out of range during trainAuto with default parameters category: ml

#12874 opened Oct 19, 2018 by clauandr

Failed tests perf_features2d, perf_stitching, sanity_features2d, sanity_stitching when compiled with bundled libjpeg category: imgcodecs

#11892 opened Jul 4, 2018 by tementy

1

setCamera in Viz3d does not give good result category: viz

#11616 opened May 29, 2018 by LaurentBerger

stereoCalibration type error the function takes exactly 2 arguments (3 given) question (invalid tracker)

#12633 opened Sep 24, 2018 by Aelphy

Raspberry Pi B+, OpenCV, JAVA, NetBeans, libopenmpt.so loadLibrary crach, FFMPEG enabled category: build/install category: videoio incomplete platform: arm

#12399 opened Sep 3, 2018 by deksnergdf

9

Is it possible to make the class `GCGraph` available outside GrabCut? category: imgproc feature

#12445 opened Sep 6, 2018 by romanc

2

setting parameters of openCV tracking API in python category: contrib category: python bindings feature

#12009 opened Jul 18, 2018 by Borda

4

VideoWriter produces distorted outputs for certain aspect ratios category: videoio incomplete needs investigation platform: ios/osx

#12466 opened Sep 7, 2018 by htnicolas

opencv_createsamples app can fail if negative images are different sizes category: apps feature

#12814 opened Oct 12, 2018 by kmf123kmf

1

initUndistortRectifyMap does not handle distortion correctly category: calib3d

#12480 opened Sep 10, 2018 by mfischer-gundlach

isContinuous() fails for large images in OpenCV RFC category: core

#12018 opened Jul 19, 2018 by hovnatan

6

Imgproc.rectangle Method not work in Android platform: android question (invalid tracker)

#12039 opened Jul 23, 2018 by MRYangY

5

Incorrect documentation for cv::viz::getWindowByName bug category: viz

#10784 opened Feb 5, 2018 by csukuangfj

How to modify the camera setting to support more than 8 usb cameras ? category: videoio(camera) priority: low

#12554 opened Sep 16, 2018 by maomaodog

1

opencv_createsamples consistently failing on Ubuntu 16.04.4 category: apps incomplete

#11962 opened Jul 13, 2018 by Kekushke

6

Name mismatch for widgets.hpp and widget.cpp in the viz module. category: viz priority: low

#10838 opened Feb 11, 2018 by csukuangfj

getOptimalNewCameraMatrix should not change aspect ratio category: calib3d feature

#11234 opened Apr 5, 2018 by nalt

1

Opencv 3.4.2 broke waitkey bug category: highgui-gui

#12034 opened Jul 21, 2018 by Laser-Cat

6

Test: Fix build information from tests on Windows platform (MSBuild) bug test

#12369 opened Sep 1, 2018 by alalek

StereoSGBM and StereoBinarySGBM is it different? bug category: documentation

#8450 opened Mar 23, 2017 by LaurentBerger

1

FindPNG overwrites settings of BuildZLIB category: build/install priority: low

#11096 opened Mar 16, 2018 by siebenkopf

1

Inconsistent color ordering in cv::viz::Mesh and cv::viz::WCloud bug category: viz

#10779 opened Feb 4, 2018 by csukuangfj

OOB error in RandomForrest should care about sample weights. category: ml

#11142 opened Mar 22, 2018 by codingforfun

1

undefined reference to `cv::medianBlur(cv:: category: build/install platform: android question (invalid tracker)

#12074 opened Jul 26, 2018 by Yu-Hang

1

cv::viz::vtkCloudMatSink::WriteData handles colors with 4 channels incorrectly. bug category: viz

#10776 opened Feb 4, 2018 by csukuangfj

solvePnP behaves differently on ARM as compared to x86_64 bug category: calib3d

#12040 opened Jul 23, 2018 by anicicn84

5

opencv js - cv.resize causes exceptions when fx and fy randomly changed very fast category: javascript (js) incomplete

#11588 opened May 24, 2018 by Polak149

2

resize: cannot specify both size and fx/fy RFC category: imgproc

#11778 opened Jun 17, 2018 by andreaplanet

2

opencv knn train dead loop category: ml

#11877 opened Jul 3, 2018 by Jayhello

4

Clustering wiki page missing description of bestLabels function argument affected: 2.4 category: documentation feature priority: low

#8183 opened Feb 10, 2017 by ghost

1

Problems with cv.data file that has to be with cv.js category: javascript (js) priority: low question (invalid tracker)

#12122 opened Jul 31, 2018 by ferjif

1

opencv_highgui compiler error bug category: build/install priority: low

#11210 opened Apr 3, 2018 by dbyoung720

1

example_cmake does not work on Windows incomplete question (invalid tracker)

#11109 opened Mar 18, 2018 by sobkulir

1

[wishlist, feature, improvement] Doxygen documentation category: documentation incomplete wontfix

#8260 opened Feb 24, 2017 by adl1995

3

Windows 10 CMake | OPENCV_EXTRA_MODULES_PATH | Bug bug category: build/install priority: low

#11655 opened Jun 1, 2018 by ashuezy

16

VideoCapture can't read some png files category: videoio incomplete

#11625 opened May 30, 2018 by berak

4

OpenCv 3.4.1 for Android: Face detection failure with strong backlight. question (invalid tracker)

#11435 opened May 2, 2018 by kulong51

1

resize: fx/fy parameters near to 1.0 are ignored RFC category: imgproc

#11779 opened Jun 17, 2018 by andreaplanet

cuda::alphaComp is inaccurate with CV_8UC4 Mat type category: gpu/cuda (contrib) priority: low

#12212 opened Aug 14, 2018 by floriansegginger

Template Matching Multiple Objects Filter result question (invalid tracker)

#12277 opened Aug 22, 2018 by lucaspojo

1

Fixed outlier ratio in LMeDS estimation category: calib3d feature future

#10632 opened Jan 18, 2018 by csukuangfj

BGRx format in the VideoCapture's gstreamer integration RFC category: videoio

#11059 opened Mar 12, 2018 by wjzhou

16

How to get a sub 3d GpuMat from a 4d GpuMat? category: gpu/cuda (contrib) question (invalid tracker)

#11218 opened Apr 4, 2018 by QuantumLiu

Video file playback fail to open with Microsoft Media Foundation (CV_CAP_MSMF) bug category: documentation category: videoio priority: low

#8138 opened Feb 7, 2017 by JayHuangYC

3

Do we need throw matches with high confidence in BestOf2NearestMatcher? RFC category: stitching

#11084 opened Mar 15, 2018 by xdumengyu

Fails to compile "hal_internal.cpp" bug category: build/install category: core

#11277 opened Apr 9, 2018 by Albert65

2

Request to enable CV_Assert for cv::Mat::size() RFC category: core

#10617 opened Jan 17, 2018 by csukuangfj

1

Design flaw of Widget in the viz module category: viz

#10832 opened Feb 11, 2018 by csukuangfj

fatal error: cvconfig.h: No such file or directory category: build/install incomplete priority: low question (invalid tracker)

#12168 opened Aug 7, 2018 by Roinoss

4

MSER different results in transition from 2.4 to 3 version category: imgproc incomplete needs reproducer

#11510 opened May 14, 2018 by mahsaayi

1

Android ABI Issue category: build/install platform: android priority: low

#11750 opened Jun 12, 2018 by assemmohamedali

1

Assert Failed in cv::transpose invalid

#10365 opened Dec 20, 2017 by wstcegg

2

features2d wrapper without flann module bug category: build/install category: features2d category: flann category: python bindings

#10175 opened Nov 27, 2017 by dkurt

3

Lower FPS with the newest OpenCV version(3.4) than 3.3/3.2 category: videoio(camera) incomplete

#12001 opened Jul 18, 2018 by YorksonChang

3

access to split doc bug category: 3rdparty category: documentation category: infrastructure

#8057 opened Jan 22, 2017 by LaurentBerger

7

[OpenCV-Python] Change Feature Extraction Method for Object Tracking API question (invalid tracker)

#11257 opened Apr 6, 2018 by ahkarami

vlc FTBFS with opencv-3.4.1 RFC category: build/install

#10963 opened Feb 28, 2018 by chris2553

16