Questions - OpenCV Q&A Forum

5

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2019-09-21 17:01:47 -0500 Paulo Cursino

Calib3d.undistort - OpenCV(3.4.0-dev) Error: Assertion failed (distorted.type()

14

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2019-09-21 11:48:03 -0500 fogx

mean subtraction on darknet

dnn#opencv

35

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1

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no

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2019-09-21 11:35:40 -0500 fogx

fixed points in findHomography

cvFindHomography

12

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2019-09-21 09:18:51 -0500 eagle77

How to run OpenCV DNN ON GPU ANDROID

10

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2019-09-21 09:02:29 -0500 Wei Han

How can get the width and height for every rectangle section

imagesc#opencv#c++

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2019-09-21 08:37:03 -0500 LiorA

[discussion] What is the Way to measure Similarity between images-

25

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2

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2019-09-21 02:42:38 -0500 LBerger

RPi 3B+ setting OPENCV_ENABLE_NONFREE:BOOL=ON does not enable "non-free algorithms" after cmake

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2

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2019-09-20 17:01:30 -0500 Eduardo

Interpolation of transformation matrix

18

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2019-09-20 15:11:32 -0500 c_h_g

How to detect black rectangle corners?

18

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1

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2019-09-20 14:27:07 -0500 LBerger

got error while converting HSV2BGR

15

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2019-09-20 09:11:18 -0500 aruncv

Segmentation fault when check OpenCV version.

40

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1

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2019-09-20 08:41:23 -0500 jjsword

How do I transfer buffer data to a Mat object using memcpy?

21

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2019-09-20 08:35:57 -0500 LBerger

BM3D strange artifacts

BM3D

23

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2019-09-20 03:29:21 -0500 Witek

Scaning work place

18

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1

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no

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2019-09-20 02:31:01 -0500 nickhsu

objdetect module qrcode cant decode QR Code version 6

qrcode

13

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2019-09-20 02:19:10 -0500 yomomano

Feature Detection: WarpPerspective not ok for low res images

cvWarpPerspective

18

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2019-09-19 15:34:23 -0500 ArutyunovG

OpenVINO IR support

20

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1

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2019-09-19 15:24:58 -0500 rkit

Help porting dnn edge_detection example to C++

13

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2019-09-19 13:40:13 -0500 Rhapsodus

Using SuperResolution with a Lepton 3.5 PureThermal 2

57

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-1

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2019-09-19 09:15:55 -0500 ciao_johnny

I get a image at top , i want a result as gray value summary with location same as top, how can i makeit . I did try with histogram but proved useless. thanks!

histogramcomparison

22

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2019-09-19 07:10:02 -0500 dkprog

Is Haar cascade classifier suitable for bottle label detection?

21

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2019-09-19 06:21:31 -0500 Matha

Geany settings for user builds in RPi under Buster

27

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-2

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2019-09-19 04:13:12 -0500 MHZ

Finding ROI

17

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2019-09-19 02:21:37 -0500 RootbeerDev

Opencv 3.4.6 Tensorflow c++ crashes on setInput

21

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2019-09-19 01:04:24 -0500 Mustafa Gönül

OpenCL: HDR Imaging

HDR
opencl

21

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2019-09-18 23:03:32 -0500 Vizier87

Access denied when debugging ALL_BUILD in CMake

VS2019

22

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2019-09-18 21:43:04 -0500 vasanthahr

Opencv.js: Getting (index):413 Uncaught (in promise) abort("OOM"). Build with -s ASSERTIONS=1 for more info.

14

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2019-09-18 21:10:24 -0500 gino0717

trying to disable VIDEOIO ERROR message

error

43

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1

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no

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2019-09-18 21:05:21 -0500 Hellcho

unable to get keypoints in opencv.js by orb detect and compute.

24

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no

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2019-09-18 16:33:42 -0500 surfreta

31,401 questions

Calib3d.undistort - OpenCV(3.4.0-dev) Error: Assertion failed (distorted.type()

mean subtraction on darknet

fixed points in findHomography

How to run OpenCV DNN ON GPU ANDROID

How can get the width and height for every rectangle section

[discussion] What is the Way to measure Similarity between images-

RPi 3B+ setting OPENCV_ENABLE_NONFREE:BOOL=ON does not enable "non-free algorithms" after cmake

Interpolation of transformation matrix

How to detect black rectangle corners?

got error while converting HSV2BGR

Segmentation fault when check OpenCV version.

How do I transfer buffer data to a Mat object using memcpy?

BM3D strange artifacts

Scaning work place

objdetect module qrcode cant decode QR Code version 6

Feature Detection: WarpPerspective not ok for low res images

OpenVINO IR support

Help porting dnn edge_detection example to C++

Using SuperResolution with a Lepton 3.5 PureThermal 2

I get a image at top , i want a result as gray value summary with location same as top, how can i makeit . I did try with histogram but proved useless. thanks!

Is Haar cascade classifier suitable for bottle label detection?

Geany settings for user builds in RPi under Buster

Finding ROI

Opencv 3.4.6 Tensorflow c++ crashes on setInput

OpenCL: HDR Imaging

Access denied when debugging ALL_BUILD in CMake

Opencv.js: Getting (index):413 Uncaught (in promise) abort("OOM"). Build with -s ASSERTIONS=1 for more info.

trying to disable VIDEOIO ERROR message

unable to get keypoints in opencv.js by orb detect and compute.

the problem of loading mov file in opencv 4

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