AlexanderShishkov's profile - overview

● Guru   × 5

• Do inputs of descriptor extractors are required to be grayscale?
• How to get good matches from the ORB feature detection algorithm?
• What is InputArray?
• Is there any official IRC for OpenCV?
• finding centroid of a mask

● Famous Question   × 3

• I have a patch for OpenCV, how can I do a contribution?
• Multiple cameras
• How can I get frames from my webcam ?

● Scholar   × 1

• I have a patch for OpenCV, how can I do a contribution?

● Civic Duty   × 1

• warpAffine issues

● Enthusiast   × 1

● Notable Question   × 3

• How can I get frames from my webcam ?
• I have a patch for OpenCV, how can I do a contribution?
• Multiple cameras

● Good Answer   × 18

• What is InputArray?
• How can I get frames from my webcam ?
• Performance evaluation for detection
• Do inputs of descriptor extractors are required to be grayscale?
• Is anyone using P3P or EPNP in solvePnP?
• finding centroid of a mask
• How to get good matches from the ORB feature detection algorithm?
• How to save opencv data in Excel format?
• How to Create an image from pixels in memory?
• Price of the OpenCV
• List of supported compilers
• convert from vector to Mat
• Is there any official IRC for OpenCV?
• I am not able to change my profile picture/gravatar.
• subtract from white - invert
• How to add 2 Mat objects of different type?
• GetPerspectiveTransform mathematical explanation
• CV_WRAP and CV_EXPORTS_W

● Nice Question   × 2

• I have a patch for OpenCV, how can I do a contribution?
• How can I get frames from my webcam ?

● Citizen Patrol   × 1

• What is OpenCV?

● Nice Answer   × 42

• What is InputArray?
• How can I get frames from my webcam ?
• How to get good matches from the ORB feature detection algorithm?
• Performance evaluation for detection
• Do inputs of descriptor extractors are required to be grayscale?
• Is anyone using P3P or EPNP in solvePnP?
• How to add 2 Mat objects of different type?
• finding centroid of a mask
• How to save opencv data in Excel format?
• How to Create an image from pixels in memory?
• OpenCV 2.4.2 and trunk: cmake doesn't show CUDA options
• Price of the OpenCV
• Create a mask for NaN cells
• How to handle inappropriate editing habits?
• List of supported compilers
• OpenCV IOS6 - armv7s support
• convert from vector to Mat
• subtract from white - invert
• depth map from single image
• GetPerspectiveTransform mathematical explanation
• CMake empty project
• Is there any official IRC for OpenCV?
• How to access pixel values of CV_32F/CV_64F Mat?
• CV_WRAP and CV_EXPORTS_W
• Lack of documentation
• I use cmake cross compile opencv2.4.6 in IOS,but is very big
• how can use GPU for opencv in iOS?
• opencv using c#
• How do I register to opencv-dev?
• I want to instal OPENCV2.4.6 in mac,how can i do?
• NO QUESTION - Suggestions concerning this question & answer area
• cv::sum() and cv::norm() for CV_U8...
• Is OpenCV in C++ or C significantly faster than python?
• Main OpenCV website not loading
• Dev forum, not able to access the activity overview
• Pose estimation with SIFT and homography
• Allocation error with 'cvCreateGLCM' method
• I am not able to change my profile picture/gravatar.
• Area of a single pixel object in OpenCV
• Contact site admin for account issue
• ddepth parameter of the Laplacian filter
• how can I do back-projection?

● Student   × 1

• I have a patch for OpenCV, how can I do a contribution?

● Taxonomist   × 1

● Organizer   × 1

• OpenCV 2.4.2 FaceRec_demo.cpp - Interpreting output of Predict function

● Necromancer   × 7

• How to handle inappropriate editing habits?
• List of supported compilers
• Speed of the OpenCV iOS framework ?
• OpenCV IOS6 - armv7s support
• openCv & ios #include <ext/atomicity> error
• OpenCV and Latent SVM Detector
• Contact site admin for account issue

● Teacher   × 1

• What is InputArray?

● Great Answer   × 6

• subtract from white - invert
• Do inputs of descriptor extractors are required to be grayscale?
• How to get good matches from the ORB feature detection algorithm?
• What is InputArray?
• Is there any official IRC for OpenCV?
• finding centroid of a mask

● Supporter   × 1

• How to read/write video with OpenCV in Python?

● Self-Learner   × 1

• How can I get frames from my webcam ?

● Popular Question   × 3

• How can I get frames from my webcam ?
• I have a patch for OpenCV, how can I do a contribution?
• Multiple cameras

● Enlightened   × 1

• What is InputArray?

● Commentator   × 1

• How to Create an image from pixels in memory?

● Critic   × 1

• Problem with core.hpp under Windows!

● Editor   × 1

• Need help resizing and blending two images (first attempt w/ OpenCV/Android)