Questions - OpenCV Q&A Forum

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2019-11-25 15:53:14 -0600 gst

How to convert numpy array to cv::Mat

opencv#python#numpy

199

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2019-11-26 01:37:44 -0600 berak

opencv pose keypoints explanation Needed

pose-estimation

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2019-11-26 13:59:12 -0600 Rishan123

cv2.error: OpenCV(4.1.0) /home/pi/opencv/opencv-4.1.0/modules/features2d/src/bagofwords.cpp:55: error: (-215:Assertion failed) !_descriptors.empty() in function 'add'

434

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2019-11-26 21:40:45 -0600 off99555

How can I solvePnP with fisheye camera parameters?

2k

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2019-11-27 03:54:30 -0600 Dianan137

How to choose sigma/kernel size when downsampling image

1k

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2019-11-27 10:44:59 -0600 Kitnos

Camera pose estimation with QR code by Opencv

729

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2019-11-27 12:58:22 -0600 Karido

Combining KAZE keypoints with SIFT descriptors?

137

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2019-11-27 12:52:54 -0600 michlvl

histogram: how to find bins values for certain range of data(at Y-axis)?

histogram

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2019-11-29 06:53:18 -0600 bkarpati

Setting codec parameters with FFMPEG backend

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2019-11-29 08:51:23 -0600 berak

visual studio2017 can't find "gfluidimgproc_func.simd.hpp''

480

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2019-11-30 11:19:34 -0600 Kitnos

Knn for keypoints and descriptors of SIFT

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2019-11-29 14:13:07 -0600 TakiEddine

How can I resolve conflicting declaration 'typedef uint32_t uint' ?

544

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2019-11-30 11:44:56 -0600 bllu

OpenCV Compilation/Linking Errors in async.hpp, version.hpp, dict.hpp, etc. when #include <opencv2/dnn.hpp> and <opencv2/opencv.hpp>

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2019-12-01 05:54:31 -0600 Wingzero

get frame and conver to image from a raw bytes array on iOS/macOS

ios
mac

225

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2019-12-01 09:33:46 -0600 Frdtsyer

Connect component of specific mask with a certain shape and distance

172

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2019-12-01 19:38:31 -0600 new_vision

Getting matrices via Stitch class

image-stitching

1k

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2019-12-02 00:39:22 -0600 raspi_opencv

Device with "CPU" name is not registered in the InferenceEngine in function 'initPlugin'

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2019-12-02 04:10:30 -0600 Martian

CUDA BLAS library - libcublas

457

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2019-12-02 08:13:39 -0600 ajava

fisheye module in openCV

504

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2019-12-02 10:42:39 -0600 faghjezu

How to obtain correct homography values?

362

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2019-12-03 04:47:46 -0600 supra56

Results of opencv dnn looks weird when using the tensorflow model(faster rcnn) to detect the object

c++dnnopencv

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2019-12-03 05:00:21 -0600 TakiEddine

How to cross compile OpenCV for ARM-linux in windows ?

435

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2019-12-03 08:27:29 -0600 Dimitar Veljanovski

How do I build a SLAM based tracking solution that tracks an object in 3D space

334

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2019-12-04 21:57:51 -0600 rublikdimas

How to speed OpenCV createMergeMertens function?

399

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2019-12-05 04:49:59 -0600 Ulitka

real-time HDR

962

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2019-12-06 03:16:46 -0600 ronces

reference to `int64` is ambiguous error with Dlib and OpenCV

381

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2019-12-06 02:32:16 -0600 blinking

ArUco Pose Estimation

453

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2019-12-06 07:42:59 -0600 IvanDecu

Output coordinates of cv2.triangulatePoints()

triangulatePoints

339

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answers

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2019-12-06 08:43:00 -0600 Bemiche

How to create a .pbtxt for YoloV3 inference on Opencv-Tensorflow?

324

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2019-12-06 10:21:04 -0600 berak

12,357 questions

How to convert numpy array to cv::Mat

opencv pose keypoints explanation Needed

cv2.error: OpenCV(4.1.0) /home/pi/opencv/opencv-4.1.0/modules/features2d/src/bagofwords.cpp:55: error: (-215:Assertion failed) !_descriptors.empty() in function 'add'

How can I solvePnP with fisheye camera parameters?

How to choose sigma/kernel size when downsampling image

Camera pose estimation with QR code by Opencv

Combining KAZE keypoints with SIFT descriptors?

histogram: how to find bins values for certain range of data(at Y-axis)?

Setting codec parameters with FFMPEG backend

visual studio2017 can't find "gfluidimgproc_func.simd.hpp''

Knn for keypoints and descriptors of SIFT

How can I resolve conflicting declaration 'typedef uint32_t uint' ?

OpenCV Compilation/Linking Errors in async.hpp, version.hpp, dict.hpp, etc. when #include <opencv2/dnn.hpp> and <opencv2/opencv.hpp>

get frame and conver to image from a raw bytes array on iOS/macOS

Connect component of specific mask with a certain shape and distance

Getting matrices via Stitch class

Device with "CPU" name is not registered in the InferenceEngine in function 'initPlugin'

CUDA BLAS library - libcublas

fisheye module in openCV

How to obtain correct homography values?

Results of opencv dnn looks weird when using the tensorflow model(faster rcnn) to detect the object

How to cross compile OpenCV for ARM-linux in windows ?

How do I build a SLAM based tracking solution that tracks an object in 3D space

How to speed OpenCV createMergeMertens function?

real-time HDR

reference to `int64` is ambiguous error with Dlib and OpenCV

ArUco Pose Estimation

Output coordinates of cv2.triangulatePoints()

How to create a .pbtxt for YoloV3 inference on Opencv-Tensorflow?

How create cv::face::drawFacemarks ?

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