Questions - OpenCV Q&A Forum

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no

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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

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no

answers

-1

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2019-11-30 18:18:23 -0600 132ikl

Cross Compiling OpenCV with GStreamer

543

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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>

480

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

Knn for keypoints and descriptors of SIFT

325

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1

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2019-11-30 09:26:35 -0600 hemanth007

cv2.error: /tmp/binarydeb/ros-kinetic-opencv3-3.3.1/modules/highgui/src/window.cpp:331: error: (-215) size.width>0

8k

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3

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2019-11-30 08:47:40 -0600 rtrahms

Importing OpenCV 4.X android SDK module into Android Studio

2k

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1

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1

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2019-11-30 04:42:09 -0600 meisam

Is there implementation of Procrustes analysis in C++/OpenCV?

342

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1

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2

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2019-11-30 01:43:53 -0600 ojesus

python liveliness detection

315

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1

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2019-11-29 20:57:32 -0600 blorgggg

Structured Light Module Missing "decode" function

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

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

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

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

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

Setting codec parameters with FFMPEG backend

1k

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1

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2019-11-29 06:46:56 -0600 kbarni

Get 3d point from clicked depth map pixel?

3k

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1

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no

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2019-11-29 05:35:35 -0600 berak

Convert 3 channel Mat into 4 channel doesn't work?

857

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1

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no

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2019-11-29 05:32:18 -0600 lusi

Laplacian Pyramid not matching

2k

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1

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no

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2019-11-28 14:12:01 -0600 supra56

Code won't run Atom/opencv AttributeError:'cv2.cv2' win 10

900

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1

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2019-11-28 12:57:21 -0600 mvuori

Save image using callBack Function

361

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1

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2019-11-28 11:04:17 -0600 holger

How to do hard negative mining for cascade classifier?

342

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no

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2

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2019-11-28 10:27:13 -0600 Elis4

How to use dnn as a detector for facemark ?

25k

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2

answers

1

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2019-11-28 08:19:49 -0600 Andrew.K

How to run OpenCV DNN on NVidia GPU

374

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1

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no

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2019-11-28 07:32:41 -0600 berak

OpenCv on windows server

python

477

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-1

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2019-11-28 04:09:41 -0600 carlcc

Resource not found: opencv_detector [closed]

728

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

Combining KAZE keypoints with SIFT descriptors?

137

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no

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no

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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

964

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1

answer

1

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2019-11-27 11:07:15 -0600 Naman Gupta

can we create a 5*5 kernel np array in c++

1k

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no

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no

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

Camera pose estimation with QR code by Opencv

443

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1

answer

1

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2019-11-27 10:32:36 -0600 flaterik

pthread_key_create fails after loading library with Boost unit test

1k

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1

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no

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2019-11-27 07:47:20 -0600 cudawarped

[OPENCV GPU] How can I convert GpuMat and Vector<Point2f> using HostMem? [closed]

2k

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answers

no

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

How to choose sigma/kernel size when downsampling image

447

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1

answer

no

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2019-11-27 02:45:32 -0600 Ziri

Detect valve position without colors on a video

c++
opencv

29,830 questions

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

Cross Compiling OpenCV with GStreamer

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

Knn for keypoints and descriptors of SIFT

cv2.error: /tmp/binarydeb/ros-kinetic-opencv3-3.3.1/modules/highgui/src/window.cpp:331: error: (-215) size.width>0

Importing OpenCV 4.X android SDK module into Android Studio

Is there implementation of Procrustes analysis in C++/OpenCV?

python liveliness detection

Structured Light Module Missing "decode" function

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

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

Setting codec parameters with FFMPEG backend

Get 3d point from clicked depth map pixel?

Convert 3 channel Mat into 4 channel doesn't work?

Laplacian Pyramid not matching

Code won't run Atom/opencv AttributeError:'cv2.cv2' win 10

Save image using callBack Function

How to do hard negative mining for cascade classifier?

How to use dnn as a detector for facemark ?

How to run OpenCV DNN on NVidia GPU

OpenCv on windows server

Resource not found: opencv_detector [closed]

Combining KAZE keypoints with SIFT descriptors?

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

can we create a 5*5 kernel np array in c++

Camera pose estimation with QR code by Opencv

pthread_key_create fails after loading library with Boost unit test

[OPENCV GPU] How can I convert GpuMat and Vector<Point2f> using HostMem? [closed]

How to choose sigma/kernel size when downsampling image

Detect valve position without colors on a video

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