Rui Marques's profile - overview

● Organizer   × 1

• OpenCV DescriptorMatcher matches

● Scholar   × 1

• Which is more efficient, use contourArea() or count number of ROI non-zero pixels?

● Good Answer   × 3

• Java: How to set parameters to ORB FeatureDetector?
• object detection using SURF & FLANN
• Best way to store a Mat object in Android

● Enlightened   × 1

• Java: How to set parameters to ORB FeatureDetector?

● Good Question   × 1

• How to get good matches from the ORB feature detection algorithm?

● Popular Question   × 9

• Which parameters findHomography you found to give better results?
• How to decrease the number of processed frames from a live video camera?
• How to get good matches from the ORB feature detection algorithm?
• Which is more efficient, use contourArea() or count number of ROI non-zero pixels?
• How to contribute with a Java wrapper for native code functionality?
• Is it possible to measure in pixels a character outputed from putText()?
• Which values for window size and number of pyramids are reasonable for calcOpticalFlowPyrLK?
• Convert a MatOfPoint to an array or Points or to a List<Point>.
• Android imencode parameters

● Notable Question   × 8

• Android imencode parameters
• How to get good matches from the ORB feature detection algorithm?
• How to decrease the number of processed frames from a live video camera?
• Which parameters findHomography you found to give better results?
• Which is more efficient, use contourArea() or count number of ROI non-zero pixels?
• How to contribute with a Java wrapper for native code functionality?
• Is it possible to measure in pixels a character outputed from putText()?
• Convert a MatOfPoint to an array or Points or to a List<Point>.

● Great Answer   × 1

• Java: How to set parameters to ORB FeatureDetector?

● Nice Answer   × 14

• Convert Mat to MatOfByte in Android
• Is there cvSetImageROI function in OpenCV on Android?
• Android + Opencv Samples
• Documentation for Python incomplete
• OpenCV Tutorial 1 - Add OpenCV on API 8
• object detection using SURF & FLANN
• IOS Open CV Image distortion
• how to sum a 3 channel matrix to a one channel matrix?
• Java: How to set parameters to ORB FeatureDetector?
• [Android - Native Camera] Setting ISO (and other camera parameters)
• Best way to store a Mat object in Android
• Check if homography is good
• How to get the coordinate from "class KeyPoint"?
• NO QUESTION - Suggestions concerning this question & answer area

● Guru   × 1

• Java: How to set parameters to ORB FeatureDetector?

● Student   × 1

• How to get good matches from the ORB feature detection algorithm?

● Editor   × 1

• How to get good matches from the ORB feature detection algorithm?

● Necromancer   × 7

• How to directly process ROI of preview data and display the processed data on screen?
• Ip / network camera access.
• BRISK android
• Best way to store a Mat object in Android
• NO QUESTION - Suggestions concerning this question & answer area
• Adherent raindrop detection - Level Sets
• Good feature descriptor/matcher for matching photo of different size

● Nice Question   × 3

• Convert a MatOfPoint to an array or Points or to a List<Point>.
• Is it possible to measure in pixels a character outputed from putText()?
• How to get good matches from the ORB feature detection algorithm?

● Famous Question   × 5

• Convert a MatOfPoint to an array or Points or to a List<Point>.
• How to get good matches from the ORB feature detection algorithm?
• Which parameters findHomography you found to give better results?
• How to decrease the number of processed frames from a live video camera?
• How to contribute with a Java wrapper for native code functionality?

● Teacher   × 1

• object detection using SURF & FLANN

● Civic Duty   × 1

• Using FLANN with binary descriptors (Brief,ORB)

● Supporter   × 1

• How to build OpenCV with TBB support?

● Taxonomist   × 1

● Critic   × 1

• How to write Keypoints into document of txt

● Commentator   × 1

• What is the usage of CV_DTREE_CAT_DIR?