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2018-06-18 10:13:36 -0600	received badge	● Notable Question (source)
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2013-10-14 13:49:34 -0600	commented answer	Does CUDA model effect (increase performance) of python module? Okay, thanks for the heads up.
2013-10-14 09:32:46 -0600	received badge	● Student (source)
2013-10-14 09:28:12 -0600	asked a question	Does CUDA model effect (increase performance) of python module? I'm assuming that if I build with CUDA support to use the GPU that I should see performance increase through the python modules as well as these are essentially just calling the C/C++ functions correct?
2013-06-28 06:11:45 -0600	received badge	● Popular Question (source)
2012-12-17 11:55:54 -0600	commented answer	How do I get Prosilica / Allied Vision Camera (PVAPI) working with OpenCV 2.4? Any ideas why this might be happening?
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2012-08-13 10:29:18 -0600	commented answer	How do I get Prosilica / Allied Vision Camera (PVAPI) working with OpenCV 2.4? Thank, I now see that the wrapper is is marked as yes to build. I am trying to run the example application here: https://github.com/xamox/OpenCV-Camera/blob/master/show-camera.cpp Except I've uncommented the: CvCapture* capture = cvCaptureFromCAM( CV_CAP_PVAPI ) It will build but I'm getting capture is NULL.
2012-08-10 15:23:57 -0600	asked a question	How do I get Prosilica / Allied Vision Camera (PVAPI) working with OpenCV 2.4? I have a prosilica (allied vision) manta G032C GiG-E camera that I am trying to get working with OpenCV 2.4 under Ubuntu Linux 12.04. Currently I have the Prosilica camera drivers installed and can run the SampleViewer application and see images fine. What I am trying to do now is build OpenCV with the PvAPI wrapper that is included. I tried to run: `cmake -D WITH_PVAPI=ON ..` from the build directory, but the status output looks like this: -- Detected version of GNU GCC: 46 (406) -- Extracting svn version, please wait... -- SVNVERSION: exported -- Found OpenEXR: /usr/lib/libIlmImf.so -- checking for module 'gstreamer-app-0.10' -- package 'gstreamer-app-0.10' not found -- checking for module 'libdc1394-2' -- package 'libdc1394-2' not found -- checking for module 'libdc1394' -- package 'libdc1394' not found -- Looking for linux/videodev.h -- Looking for linux/videodev.h - not found -- Looking for linux/videodev2.h -- Looking for linux/videodev2.h - found -- checking for module 'libavcodec' -- package 'libavcodec' not found -- checking for module 'libavformat' -- package 'libavformat' not found -- checking for module 'libavutil' -- package 'libavutil' not found -- checking for module 'libswscale' -- package 'libswscale' not found -- Looking for libavformat/avformat.h -- Looking for libavformat/avformat.h - not found -- Looking for ffmpeg/avformat.h -- Looking for ffmpeg/avformat.h - not found CUDA_TOOLKIT_ROOT_DIR not found or specified -- Could NOT find CUDA (missing: CUDA_TOOLKIT_ROOT_DIR CUDA_NVCC_EXECUTABLE CUDA_INCLUDE_DIRS CUDA_CUDART_LIBRARY) (Required is at least version "4.1") -- Found Sphinx 1.1.3: /usr/bin/sphinx-build -- -- General configuration for OpenCV 2.4.2 ===================================== -- -- Platform: -- Host: Linux 3.2.0-27-generic x86_64 -- CMake: 2.8.7 -- CMake generator: Unix Makefiles -- CMake build tool: /usr/bin/make -- Configuration: Release -- -- C/C++: -- Built as dynamic libs?: YES -- C++ Compiler: /usr/bin/c++ (ver 4.6.3) -- C++ flags (Release): -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -ffunction-sections -O3 -DNDEBUG -DNDEBUG -- C++ flags (Debug): -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -ffunction-sections -g -O0 -DDEBUG -D_DEBUG -ggdb3 -- C Compiler: /usr/bin/gcc -- C flags (Release): -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -ffunction-sections -O3 -DNDEBUG -DNDEBUG -- C flags (Debug): -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -ffunction-sections -g -O0 -DDEBUG -D_DEBUG -ggdb3 -- Linker flags (Release): -- Linker flags (Debug): -- Precompiled headers: NO -- -- OpenCV modules: -- To be built: core imgproc flann highgui features2d calib3d ml video objdetect contrib nonfree gpu legacy photo python stitching ts videostab -- Disabled: - -- Disabled by dependency: - -- Unavailable: androidcamera java world -- -- GUI: -- QT 4.x: NO -- GTK+ 2.x: YES (ver 2.24.10) -- GThread : YES (ver 2.32.3) -- GtkGlExt: NO -- OpenGL support: NO -- -- Media I/O: -- ZLib: /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.3.4) -- JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so (ver ) -- PNG: /usr/lib/x86_64-linux-gnu ... (more)
2012-08-09 11:49:26 -0600	answered a question	Camera is not working in OpenCV on Ubuntu 12.04 with version 2.3.1 or 2.4.2 Okay, this appears to be working with OpenCV 2.4.2. Not sure what I was doing differently before, verified for 2.3 I run: `sudo make uninstall` before 2.4 running: `sudo make install` So maybe something was cached, or I had never completely removed 2.3 before, which still is not working but 2.4 is, which is fine.
2012-08-09 10:40:45 -0600	commented answer	Camera is not working in OpenCV on Ubuntu 12.04 with version 2.3.1 or 2.4.2 Alas, I got quite excited as I thought this may fix it, but still getting NULL when trying to capture even with sudo.
2012-08-08 15:41:04 -0600	asked a question	Camera is not working in OpenCV on Ubuntu 12.04 with version 2.3.1 or 2.4.2 I have tried to build the example but am getting a NULL when trying to capture the device. Feel free to grab my code here at test for yourself: https://github.com/xamox/OpenCV-Camera The camera works fine as I'm able to use it with Cheese, Guvcview. I have tested a lot of variations to the cvCaptureFromCAM( CV_CAP_ANY ), as in 0,1,2,-1, etc. I also tried using the VideoCapture function, but doesn't appear to be working. I'm not sure what I need to do to get it working. I've tried building OpenCV 2.3.1 and 2.4.2 from source, everything builds fine, I can import in python, just can't seem to get the webcam to work. I have also tested a few external logitech webcams I have laying around. Any help would be appreciated.