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2020-04-08 09:13:13 -0600 received badge ● Popular Question (source)
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2018-03-27 14:16:05 -0600 asked a question How to add row using cv::Mat push_back()

How to add row using cv::Mat push_back() I find a code as below: cv::Mat m = cv::Mat::ones(4, 3, CV_64F); // 3 cols,
2018-03-27 13:02:55 -0600 commented question matrix.at<int>(i,j) gives wrong output

Thank you berak, you are the most friendly person I meet ever in the open source community.

2018-03-27 13:02:20 -0600 edited question matrix.at<int>(i,j) gives wrong output

matrix.at<int>(i,j) gives wrong output I do not know where I did wrong: The result is totally wrong. int main(int
2018-03-27 13:01:56 -0600 edited question matrix.at<int>(i,j) gives wrong output

matrix.at<int>(i,j) gives wrong output I do not know where I did wrong: The result is totally wrong. int main(int
2018-03-27 12:00:56 -0600 commented question matrix.at<int>(i,j) gives wrong output

Puuhhh.. Yes, stupid questions.

2018-03-27 11:55:25 -0600 asked a question matrix.at<int>(i,j) gives wrong output

matrix.at<int>(i,j) gives wrong output I do not know where I did wrong: The result is totally wrong. int main(int
2018-03-25 18:45:21 -0600 asked a question getNSamples return 0 in the class member function but is 7320 after dataset created.

getNSamples return 0 in the class member function but is 7320 after dataset created. Hi there, Basically I think my pro
2018-03-16 13:21:51 -0600 answered a question ROS Kinetic OpenCV3.2.0 Contrib and CUDA

Did you get how to solve it, this is a good question.

2018-03-09 10:12:19 -0600 received badge ● Critic (source)
2018-03-09 07:42:26 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have installed opencv 3.4.1 correc
2018-03-09 07:35:06 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I found that everytime I use ldd cv2
2018-03-09 07:28:00 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:27:31 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:26:30 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:25:38 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:19:38 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:12:45 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:12:22 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault after conda virtual env deactivated Hi there, I have correctly installed openCV3.4
2018-03-09 07:11:17 -0600 edited question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault. Hi there, I have correctly installed openCV3.4.1 in system with python3. I test it
2018-03-09 07:10:51 -0600 asked a question import cv2 leads segmentation fault after conda virtual env deactivated

import cv2 leads segmentation fault. Hi there, I have correctly installed openCV3.4.1 in system with python3. I test it
2018-03-07 17:23:30 -0600 commented answer build master branch on debian9 with cuda9

I have the same problem....

2018-03-07 16:41:36 -0600 edited question OpenCV install error

OpenCV install error Hi, I got following error when I cmake cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/us
2018-03-07 16:39:58 -0600 asked a question OpenCV install error

OpenCV install error Compilation failed: source file: '/home/ics_vr/softwares/opencv/cmake/checks/cxx11.cpp' ch
2018-03-07 15:51:08 -0600 commented question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Hi berak, if I tell you I find the shared object files under gitcone folder, for example: ./home/ics_vr/softwares/openc
2018-03-07 15:31:50 -0600 commented question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

I am bot blaming you, I just think how could I one day find such linux fu problem..

2018-03-07 15:29:54 -0600 commented question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

But as I known, from this, you said it could happen when make clean is not performed, and statically link help?

2018-03-07 15:27:27 -0600 commented question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Really, I am so lucky...

2018-03-07 14:56:53 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Import cv2 error: How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install Op
2018-03-07 14:56:24 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Import cv2 error: How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install Op
2018-03-07 14:53:23 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Import cv2 error: How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install Op
2018-03-07 14:50:28 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Import cv2 error: How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install Op
2018-03-07 14:48:37 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Import cv2 error: How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install Op
2018-03-07 14:43:14 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

Import cv2 error: How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install Op
2018-03-07 14:39:44 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install OpenCV3.4.0? I have

2018-03-07 14:33:35 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install OpenCV3.4.0? I have

2018-03-07 14:32:18 -0600 edited question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install OpenCV3.4.0? My Open
2018-03-07 14:30:49 -0600 asked a question Import cv2 error: How to modify ~/.bashrc after install OpenCV3

How to modify ~/.bashrc after install OpenCV3 Hi there, How to modify my bashrc file after install OpenCV3.4.0? My Open
2018-01-23 05:30:54 -0600 marked best answer Install opencv3 with python3,python3-numpy

Hi,

I am going to install opencv 3.4 with contrib modules, python3, python3-numpy. But after cmake, I see Python for buils is python2.7. Do I have errors or actually it is ok and I could type make in terminal now?

Beside, I have python2, python3, python2-numpy,python3-numpy on my computer.

Here is the camke command I used:

cmake -D CMAKE_BUILD_TYPE=Release \

-D CMAKE_INSTALL_PREFIX=/usr/local \

-D PYTHON3_EXECUTABLE=/usr/bin/python3 \

-D PYTHON_INCLUDE_DIR=/usr/include/python3.5 \

-D PYTHON_INCLUDE_DIR2=/usr/include/x86_64-linux-gnu/python3.5m \

-D PYTHON_LIBRARY=/usr/lib/python3.5/config-3.5m-x86_64-linux-gnu/libpython3.5.so \

-D PYTHON3_NUMPY_INCLUDE_DIRS=/usr/lib/python3/dist-packages/numpy/core/include/ \

-D OPENCV_EXTRA_MODULES_PATH=/home/ics_vr/opencvInstall/opencv_contrib/modules \

-D BUILD_EXAMPLES=ON ..

The general install configuration looks like following:

-- General configuration for OpenCV 3.4.0-dev =====================================
--   Version control:               3.4.0-194-g12ea847
-- 
--   Extra modules:
--     Location (extra):            /home/ics_vr/opencvInstall/opencv_contrib/modules
--     Version control (extra):     3.4.0-22-g670acd9
-- 
--   Platform:
--     Timestamp:                   2018-01-22T15:52:02Z
--     Host:                        Linux 4.13.0-26-generic x86_64
--     CMake:                       3.5.1
--     CMake generator:             Unix Makefiles
--     CMake build tool:            /usr/bin/make
--     Configuration:               Release
-- 
--   CPU/HW features:
--     Baseline:                    SSE SSE2 SSE3
--       requested:                 SSE3
--     Dispatched code generation:  SSE4_1 SSE4_2 FP16 AVX AVX2
--       requested:                 SSE4_1 SSE4_2 AVX FP16 AVX2
--       SSE4_1 (3 files):          + SSSE3 SSE4_1
--       SSE4_2 (1 files):          + SSSE3 SSE4_1 POPCNT SSE4_2
--       FP16 (2 files):            + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 AVX
--       AVX (5 files):             + SSSE3 SSE4_1 POPCNT SSE4_2 AVX
--       AVX2 (9 files):            + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 FMA3 AVX AVX2
-- 
--   C/C++:
--     Built as dynamic libs?:      YES
--     C++ Compiler:                /usr/bin/c++  (ver 5.4.0)
--     C++ flags (Release):         -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG
--     C++ flags (Debug):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUG
--     C Compiler:                  /usr/bin/cc
--     C flags (Release):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUG
--     C flags (Debug):             -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUG
--     Linker flags (Release):
--     Linker flags (Debug):
--     ccache:                      NO
--     Precompiled headers:         YES
--     Extra dependencies:          dl m pthread rt
--     3rdparty dependencies:
-- 
--   OpenCV modules:
--     To be built:                 aruco bgsegm bioinspired calib3d ccalib core datasets dnn dpm face features2d flann freetype fuzzy hdf highgui img_hash imgcodecs imgproc java java_bindings_generator line_descriptor ml objdetect optflow phase_unwrapping photo plot python3 python_bindings_generator reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking ts video videoio ...
(more)
2018-01-23 04:22:45 -0600 commented question Install opencv3 with python3,python3-numpy

Thank you.

2018-01-22 10:16:42 -0600 edited question Install opencv3 with python3,python3-numpy

Install opencv3 with python3,python3-numpy Hi, I am going to install opencv 3.4 with contrib modules, python3, python3-
2018-01-22 10:14:52 -0600 asked a question Install opencv3 with python3,python3-numpy

Install opencv3 with python3,python3-numpy Hi, I am going to install opencv 3.4 with contrib modules, python3, python3-
2018-01-03 09:52:46 -0600 received badge ● Organizer (source)
2018-01-03 09:35:00 -0600 edited question Random tree in opencv 3.3

Random tree in opencv 3.3 Hi, I am wondering whether one can realise random tree(notice this is not plural) using the c
2018-01-03 09:33:39 -0600 edited question Random tree in opencv 3.3

Random tree in opencv 3.3 Hi, I am wondering whether one can realise random tree(notice this is not plural) using the c
2018-01-03 09:32:54 -0600 edited question Random tree in opencv 3.3

Random tree in opencv 3.3 Hi, I am wondering whether one can realise random tree(notice this is not plural) using the c
2018-01-03 09:32:30 -0600 edited question Random tree in opencv 3.3

Random tree in opencv 3.3 Hi, I am wondering whether one can realise random tree(notice this is not plural) using the c
2018-01-03 09:31:15 -0600 asked a question Random tree in opencv 3.3

Random tree in opencv 3.3 Hi, I am wondering whether one can realise random tree using the class cv::ml::DTrees? And m
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