Questions - OpenCV Q&A Forum

9

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2019-01-20 03:44:50 -0500 berak

I try to use hog and svm to train my data and make it can calcify whether it's a arrow or not. I prepared two file and try to train it. When I compile it shows me these error.

30

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2019-01-19 17:40:38 -0500 sjhalayka

How can I check if the monitor is connected in Windows / Linux?

6

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2019-01-19 16:15:23 -0500 Mantabit

How to get Debug Libraries from Source code on Linux

7

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2019-01-19 15:59:14 -0500 matt.kunstman

Working with OpenCV 4.0.1 and Android Studio but getting R.Styleable errors

18

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2019-01-19 14:35:41 -0500 Tetragramm

Transform 2D Point into 3D Line

41

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2019-01-19 14:32:48 -0500 Tetragramm

Conversion 16bit image to 8 bit image

c++
opencv

18

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2019-01-19 14:09:29 -0500 Tetragramm

cv::undistortPoints not working for me ....

24

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2019-01-19 11:12:01 -0500 berak

and having three waitKey(0) but the third one is not working

opencv

16

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2019-01-19 09:09:27 -0500 Sky31

How to Label the image dataset?

31

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2019-01-19 08:23:05 -0500 Firelife

How can I get bounding box around the specific quadrants(locations) the difference is in, instead of the exact difference of contents in image?

20

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2019-01-19 05:45:51 -0500 Eduardo

is it possible to calculate a points 3D X and Y coordinate by inverting camera matrix

3dreconstruction

26

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2019-01-19 03:04:20 -0500 berak

Drawing rectangles from contours in Android

14

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2019-01-19 01:26:54 -0500 Ashish Sharma

Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> import cv2 ImportError: DLL load failed: %1 is not a valid Win32 application.

64-bitwindows

36

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no

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2019-01-18 11:33:28 -0500 mrjbom

Imread does not read the file

imread
image

12

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2019-01-18 09:04:48 -0500 unix78

libopencv_java343.so is missing

17

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2019-01-18 08:43:34 -0500 berak

SVM on CUDA

12

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2019-01-18 08:15:18 -0500 thepate94227

KMeans doesn't work perfect with HSV_FULL, cv2.merge doesn't work

16

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2019-01-18 07:33:20 -0500 arvids.p

BackgroundSubtractor is not a member of 'cv' on VS17 C++

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2019-01-18 07:25:47 -0500 kundo

openni_capture

32

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2019-01-18 06:44:57 -0500 Carl_AB

image binaryzation

c++

22

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2019-01-18 04:58:38 -0500 vps

Problem with cuda hog people detection

76

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2

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2019-01-18 03:35:24 -0500 berak

How to calculate the angle between camera and a person?

39

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2019-01-18 03:31:05 -0500 snehal

LUT for 16bit image

c++
opencv

40

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1

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2019-01-18 03:08:32 -0500 dgalland

HDR Merge process called without the the response arg

14

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1

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2019-01-18 02:44:26 -0500 berak

Static initialization in tutorial_dnn_android openCV 3.4.3

26

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2019-01-18 02:39:16 -0500 mchung

How can I compile OpenCV.js so that it does not require defining the "onRuntimeInitialized" field?

45k

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2

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13

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2019-01-18 02:32:39 -0500 berak

How to get and modify the pixel of Mat in Java?

22

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2019-01-18 02:27:38 -0500 berak

How to increase TOTAL_MEMORY for OpenCV JS?

13

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2019-01-18 01:06:39 -0500 R.Lal

Why 'imencode' taking so long ?

18

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2019-01-17 19:34:52 -0500 Viraj

29,470 questions

I try to use hog and svm to train my data and make it can calcify whether it's a arrow or not. I prepared two file and try to train it. When I compile it shows me these error.

How can I check if the monitor is connected in Windows / Linux?

How to get Debug Libraries from Source code on Linux

Working with OpenCV 4.0.1 and Android Studio but getting R.Styleable errors

Transform 2D Point into 3D Line

Conversion 16bit image to 8 bit image

cv::undistortPoints not working for me ....

and having three waitKey(0) but the third one is not working

How to Label the image dataset?

How can I get bounding box around the specific quadrants(locations) the difference is in, instead of the exact difference of contents in image?

is it possible to calculate a points 3D X and Y coordinate by inverting camera matrix

Drawing rectangles from contours in Android

Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> import cv2 ImportError: DLL load failed: %1 is not a valid Win32 application.

Imread does not read the file

libopencv_java343.so is missing

SVM on CUDA

KMeans doesn't work perfect with HSV_FULL, cv2.merge doesn't work

BackgroundSubtractor is not a member of 'cv' on VS17 C++

openni_capture

image binaryzation

Problem with cuda hog people detection

How to calculate the angle between camera and a person?

LUT for 16bit image

HDR Merge process called without the the response arg

Static initialization in tutorial_dnn_android openCV 3.4.3

How can I compile OpenCV.js so that it does not require defining the "onRuntimeInitialized" field?

How to get and modify the pixel of Mat in Java?

How to increase TOTAL_MEMORY for OpenCV JS?

Why 'imencode' taking so long ?

Cropping of Image after Face Alignment - Face Recognition

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