Vladislav Vinogradov's profile - overview

● Civic Duty   × 1

• How to convert a CV_32SC1 to int

● Guru   × 2

• Why OpenCV building is so slow with CUDA?
• how to free memory through cv::Mat ?

● Great Answer   × 2

• Why OpenCV building is so slow with CUDA?
• how to free memory through cv::Mat ?

● Necromancer   × 1

• Can't compile .cu file when including opencv.hpp

● Enthusiast   × 1

● Nice Answer   × 57

• copy data to cv::Mat with specific type assigned by the user
• can not draw rectangle simultaneously
• No ‘operator-=’ for gpuMat
• Huge time to upload data to GPU
• Mat element access
• Can I perform nested operations with the Mat object?
• Pseudocode for custom GPU computation
• Understand the memory managment while using imread() on allocated Mat
• GpuMat and std::vector
• How to use parallel_for?
• GpuMat to device data type conversion
• cv::reduce gives unsupported format exception
• convertTo from CV_32f to CV_8U
• Accessing pixel value always return same value
• Why OpenCV building is so slow with CUDA?
• Is calling morphologyEx() with with MORPH_ERODE the same as erode()?
• How does drawMatches work? (with respect to DMatch)
• Images RGB and BGR
• CUDA on Visual Studio 2010: To build libraries or not?
• CUDA with OpenCV, STL transformation
• GpuMat Storage of Descriptors
• Bug or not bug? knnMatch from BruteForceMatcher_GPU
• gpu::flip problem when src == dst
• imshow namedWindow crash
• how to free memory through cv::Mat ?
• What is the best practise for passing cv::Mats around
• GrabCut Sample code in Opencv
• Avoid gpu modules while building
• Difference of CLAHE between opencv and matlab
• Strange assert in surf_gpu.cpp
• Returning a Mat from native JNI to Java
• opencv 2.4.5 compilation erros
• gpu.hpp producing error during compile
• Why am I getting assertion failed in cvtColor even when convertTo was called in the line before?
• Build problem (latest opencv, cuda-5.5)
• GpuMat misses operators, and functions that compared with Mat
• Open CV hardware/software platforms effectively tested, test reports for released stable versions
• Memory management using C++ interface
• The problem about iteration of gpumat
• cvSetMouseCallback function pointer WinForms
• cvZero fucntion for c++ api
• cv::Mat::copyTo and cv::gpu::GpuMat::copyTo show different behaviour
• problem with Orb matching
• how to use cv::setMouseCallback in a c++ class
• why the result of filter2D function is correct on cpu and wrong on gpu??
• SurfFeatureDetector cannot use data of CV_16S ?
• Building OpenCV 2.4.6 with CUDA 5.5RC in VS2012
• can we use gpu functions in other opencv modules?
• Create a mask with a roi
• how to watch cv::Mat type in VC++ debugger?
• vector out of range
• Best way to apply a function to each element of Mat.
• Error! Debug Assestion Failed! Expression: vector subscript out of range??
• OpenCV Error: No OpenGL support
• Bug with GpuMat::GpuMat(const GpuMat& m, Rect roi)
• Passing an array of cv::GpuMat to a cuda kernel?
• Can not find data files for test programs

● Good Answer   × 20

• Passing an array of cv::GpuMat to a cuda kernel?
• cvSetMouseCallback function pointer WinForms
• Understand the memory managment while using imread() on allocated Mat
• Huge time to upload data to GPU
• GpuMat and std::vector
• how to free memory through cv::Mat ?
• Build problem (latest opencv, cuda-5.5)
• Why OpenCV building is so slow with CUDA?
• GpuMat misses operators, and functions that compared with Mat
• Memory management using C++ interface
• GpuMat to device data type conversion
• cvZero fucntion for c++ api
• Images RGB and BGR
• How does drawMatches work? (with respect to DMatch)
• Returning a Mat from native JNI to Java
• GrabCut Sample code in Opencv
• convertTo from CV_32f to CV_8U
• How to use parallel_for?
• What is the best practise for passing cv::Mats around
• Mat element access

● Teacher   × 1

• No ‘operator-=’ for gpuMat

● Editor   × 1

• How to get the descriptor value from "SiftDescriptorExtractor"?

● Enlightened   × 1

• Huge time to upload data to GPU

● Supporter   × 1

• BruteForceMatcher_GPU error on large set of descriptors

● Commentator   × 1

• installing on opensuse problems

● Critic   × 1

• Prebuilt windows dlls? No bin folder!