Questions - OpenCV Q&A Forum

416

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no

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no

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2020-03-19 06:35:23 -0600 berak

Enable flash camera

1k

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2

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no

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2020-03-19 09:33:48 -0600 supra56

How to connect center of detected objects/contours to form a polygon?

polygon

1k

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1

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no

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2020-03-19 09:39:46 -0600 supra56

The window that opend by flag cv::WINDOW_AUTOSIZE is resized

2k

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1

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no

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2020-03-19 10:09:41 -0600 KansaiRobot

namespace “cv::cuda” has no member “resize”

CUDA

410

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1

answer

1

vote

2020-03-19 11:05:46 -0600 mvuori

malloc.h error when building in a freenas jail

133

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no

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2020-03-19 11:40:29 -0600 Bikash Pandey

Unable to train images using LBPH algorithm OpenCV [closed]

205

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1

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2020-03-19 13:40:45 -0600 ryan.delgizzi

SimpleBlobDetector Color Filter Fails on Obvious Cases

simpleblobdetector

648

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no

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2020-03-19 14:28:12 -0600 jonmoore

Undeclared identifier '_SC_NPROCESSORS_ONLN'

1k

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no

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2020-03-20 04:28:30 -0600 sreevathsabr

Need find Convex Hull in Python for already found Convex Hull point , draw outer most Convex Hull and get it's X and Y co-ordinates

convexHull

4k

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no

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no

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2020-03-20 05:18:49 -0600 berak

#include <opencv2/opencv.hpp> (and others) don't work

811

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1

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no

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2020-03-20 05:49:43 -0600 vins_26

Agricultural field boundary segmentation and delineation

292

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no

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2020-03-20 06:33:40 -0600 AlexBn

CUDA GoodFeaturesToTrackDetector is not ThreadSafe ?

CUDA

1k

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1

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no

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2020-03-20 06:36:23 -0600 supra56

Detecting ChAruco board using example code, strange result.

1k

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no

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no

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2020-03-20 08:15:33 -0600 Syberspaz

OpenCV Viz Module Unavailable (Cmake) - Windows 10 [closed]

561

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no

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no

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2020-03-20 09:49:11 -0600 floka

Smooth moment movement

opencv

91

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no

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2020-03-20 10:21:08 -0600 NL37

Handle Mat image in GPU

Mat_Image_GPU

309

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2020-03-20 11:58:21 -0600 SylvainArd

keypoints detection

281

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1

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no

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2020-03-20 12:35:26 -0600 opalmirror

How can we see the non-texture surfaces on the depth map?

993

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1

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no

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2020-03-20 13:01:14 -0600 opalmirror

Increasing depth accuracy with more than two cameras

1k

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1

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no

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2020-03-20 13:53:57 -0600 mvuori

#include "opencv2/photo.hpp" returns No such file or directory [closed]

174

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1

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no

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2020-03-20 15:10:06 -0600 berak

Proposal for GSOC 2020

GSOC2020

370

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no

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2020-03-21 04:12:50 -0600 andrei186

cannot find -lopencv_highgui [closed]

738

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2020-03-21 05:27:34 -0600 martiabr

onCameraViewStarted and onCameraFrame never called - black view

android

465

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1

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no

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2020-03-21 10:50:01 -0600 kbarni

HarrisCorner Detection in OpenCV C++

cornerHarris

1k

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no

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2020-03-21 13:26:55 -0600 Suom

world coordinates to camera coordinates to pixel coordinates cv::projectpoints

cv2.projectPoints

345

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no

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-3

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2020-03-21 20:48:05 -0600 Ardamehr

how do I find the center of the screen in opencv c++?

funny

70

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no

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2020-03-21 21:52:45 -0600 AnonBerk

Detecting hand in front of face (occlusion)

Occlusion

1k

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answers

no

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2020-03-22 07:20:59 -0600 supra56

hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

opencv_python

302

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no

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no

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2020-03-22 07:39:16 -0600 Suom

cv::Mat initialization

Mat

5k

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1

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no

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2020-03-22 09:51:49 -0600 Mr_John

29,830 questions

Enable flash camera

How to connect center of detected objects/contours to form a polygon?

The window that opend by flag cv::WINDOW_AUTOSIZE is resized

namespace “cv::cuda” has no member “resize”

malloc.h error when building in a freenas jail

Unable to train images using LBPH algorithm OpenCV [closed]

SimpleBlobDetector Color Filter Fails on Obvious Cases

Undeclared identifier '_SC_NPROCESSORS_ONLN'

Need find Convex Hull in Python for already found Convex Hull point , draw outer most Convex Hull and get it's X and Y co-ordinates

#include <opencv2/opencv.hpp> (and others) don't work

Agricultural field boundary segmentation and delineation

CUDA GoodFeaturesToTrackDetector is not ThreadSafe ?

Detecting ChAruco board using example code, strange result.

OpenCV Viz Module Unavailable (Cmake) - Windows 10 [closed]

Smooth moment movement

Handle Mat image in GPU

keypoints detection

How can we see the non-texture surfaces on the depth map?

Increasing depth accuracy with more than two cameras

#include "opencv2/photo.hpp" returns No such file or directory [closed]

Proposal for GSOC 2020

cannot find -lopencv_highgui [closed]

onCameraViewStarted and onCameraFrame never called - black view

HarrisCorner Detection in OpenCV C++

world coordinates to camera coordinates to pixel coordinates cv::projectpoints

how do I find the center of the screen in opencv c++?

Detecting hand in front of face (occlusion)

hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

cv::Mat initialization

[OpenCV.js] Template matching with mask [closed]

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