Questions - OpenCV Q&A Forum

16

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no

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no

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2020-02-11 11:59:26 -0500 Tarcisioflima

Converting Mat to one dimensional float array for EM?

76

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1

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no

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2020-01-29 02:58:57 -0500 berak

Face recognition app for android (OpenCV)

58

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no

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2020-01-24 09:44:22 -0500 robertodaza

VideoCapture (0) does not work in mac Catalina. The program crashed

686

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1

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no

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2020-01-24 08:37:12 -0500 decioschmitt

(-215:Assertion failed) m.dims >= 2 in function 'cv::Mat::Mat'

242

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no

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2020-01-13 20:53:04 -0500 supra56

Opencv Videocapture cannot get stream

27

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2020-01-12 05:34:37 -0500 Gourav

Difference in output of same c++ and Java function in OpenCV

Video
java

109

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no

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2020-01-09 10:22:36 -0500 aironman

Error when I try to run Hello World OpenCV sample using java and eclipse

52

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2020-01-06 09:37:59 -0500 Gourav

Java (-215:Assertion failed) mv[i].size == mv[0].size && mv[i].depth() == depth in function 'cv::merge'

java
merge

47

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1

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no

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2020-01-03 07:05:22 -0500 supra56

java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]

22

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2020-01-02 08:06:43 -0500 Gourav

Error while implementing the "out of focus deblur tutorial" in java

68

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1

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-1

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2020-01-02 06:11:24 -0500 GabrielLuke

Need help in recognising the image for face recognition app using OpenCV

25

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-1

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2020-01-02 00:10:01 -0500 david cairns

skew angel correction using java

60

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no

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2019-12-24 14:18:38 -0500 karDilip

OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!

opencv
java

28

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no

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no

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2019-12-15 21:37:09 -0500 Avadhoot05

Mass center of contour is showing incorrectly in opencv java

49

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1

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2019-12-08 07:24:50 -0500 berak

How to calculate the value of the glcm feature?

330

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2019-12-01 09:35:28 -0500 rtrahms

OpenCV Android SDK load failed: libc++_shared.so not found

319

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1

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2019-11-30 08:47:40 -0500 rtrahms

Importing OpenCV 4.X android SDK module into Android Studio

32

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no

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1

vote

2019-11-29 20:57:32 -0500 blorgggg

Structured Light Module Missing "decode" function

170

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1

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-1

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2019-11-23 02:06:29 -0500 Akhil Patel

Detect all Countour not an only Rectangle

76

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1

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no

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2019-11-14 08:14:34 -0500 berak

How to copy a mat object to a integer 2D matrix in opencv java ?

java

56

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no

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2019-11-12 22:07:20 -0500 jlok

How do you properly track contours?

94

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1

answer

1

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2019-11-12 12:00:52 -0500 dhirwinjr

Issue using OpenCV 4.1.1 and Tracking API in Java

51

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1

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no

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2019-11-11 02:01:19 -0500 berak

Phash Algorithm in img_hash

102

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1

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no

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2019-11-10 09:52:35 -0500 Shengyang.CHEN

List KeyPoint missing queryIdx

29

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no

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2019-11-06 03:13:01 -0500 lolitsgab

Grabcut outputs only what was marked as GC_FGD

61

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1

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no

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2019-11-06 01:03:06 -0500 berak

Imgproc.undistort() seems missing in OpenCV4

java
opencv4

64

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1

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no

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2019-10-31 11:07:09 -0500 wade wang

Why my App crashes when i applied Imgproc.resize

56

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1

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-1

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2019-10-24 20:26:15 -0500 shuaizhang

copyTo don't work

62

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no

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2019-10-23 08:04:28 -0500 Fandi

How to remove the background image

67

views

2

answers

1

vote

2019-10-22 10:02:10 -0500 berak

1,327 questions

Converting Mat to one dimensional float array for EM?

Face recognition app for android (OpenCV)

VideoCapture (0) does not work in mac Catalina. The program crashed

(-215:Assertion failed) m.dims >= 2 in function 'cv::Mat::Mat'

Opencv Videocapture cannot get stream

Difference in output of same c++ and Java function in OpenCV

Error when I try to run Hello World OpenCV sample using java and eclipse

Java (-215:Assertion failed) mv[i].size == mv[0].size && mv[i].depth() == depth in function 'cv::merge'

java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]

Error while implementing the "out of focus deblur tutorial" in java

Need help in recognising the image for face recognition app using OpenCV

skew angel correction using java

OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!

Mass center of contour is showing incorrectly in opencv java

How to calculate the value of the glcm feature?

OpenCV Android SDK load failed: libc++_shared.so not found

Importing OpenCV 4.X android SDK module into Android Studio

Structured Light Module Missing "decode" function

Detect all Countour not an only Rectangle

How to copy a mat object to a integer 2D matrix in opencv java ?

How do you properly track contours?

Issue using OpenCV 4.1.1 and Tracking API in Java

Phash Algorithm in img_hash

List KeyPoint missing queryIdx

Grabcut outputs only what was marked as GC_FGD

Imgproc.undistort() seems missing in OpenCV4

Why my App crashes when i applied Imgproc.resize

copyTo don't work

How to remove the background image

Face embedding calculation from Java

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