Questions - OpenCV Q&A Forum

10

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2020-07-05 03:47:23 -0500 Vale

how to use real time face recognition on videos

FaceRecognizer

5

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2020-07-05 03:35:24 -0500 Kevinmmhsu

"no element rtspsrc" gstreamer+opencv in win10

26

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2020-07-04 15:56:56 -0500 ejmeitz

namedWindow does not update when resizing

15

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2020-07-04 13:10:17 -0500 ajpaezm

Help understanding if fabricant provides OpenCV ready device.

26

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2020-07-04 12:45:06 -0500 George Profenza

How to use OpenCV 4 in Java on Raspberry PI (armv6 and armv7 Raspian)?

22

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2020-07-04 07:05:56 -0500 vchill

Unable to build opencv on windows

21

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2020-07-04 04:45:41 -0500 albeh95

Isolate object to better detect it

objectdetection

22

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2020-07-04 02:42:41 -0500 Proziiis

How to measure circle diameter with camera

15

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2020-07-03 16:09:56 -0500 mikekelly

why does opencv_createsamlples only create 1000 sample vector file

43

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2020-07-03 14:33:16 -0500 Sara Ahmed

OpenCV Decompose projection matrix outputs

105

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2

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2020-07-03 09:45:27 -0500 holger

i am doing a project to predict age and gender using tensorflow and opencv. and how to add path for xml file.

18

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2020-07-03 08:55:01 -0500 Boilan

Missing python binding, stitcher API

14

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2020-07-03 08:13:37 -0500 saeb

remove accumulate pixels and fixed one hough line

35

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1

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2020-07-03 08:05:08 -0500 supra56

Opencv can't show live webcam footage.What is wrong with my code ?

contours

24

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2020-07-03 01:13:57 -0500 Sara Ahmed

OpenCV solvePnPRansac() function

37

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1

answer

1

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2020-07-02 15:51:26 -0500 kpachinger

Extracting feature information from 2D CAD engineering drawings

22

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2020-07-02 13:24:25 -0500 alan89

Detect head using Haar Cascade, wont detect tilted head?

32

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1

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2020-07-02 12:38:45 -0500 berak

How to convert 2d array to cv::Mat in C++ for 1024x1024 images?

array

16

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2020-07-02 12:25:46 -0500 carrotf

old JRE version for opencv4.3 jar file

70

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1

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-1

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2020-07-02 09:11:45 -0500 Oregano Hauch

Imshow doesn't work in Jupyter and PyCharm [closed]

cv2.imshow

58

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2

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2020-07-02 08:29:00 -0500 supra56

How to do a perspective transformation of an image which is missing corners using opencv java

17

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2020-07-02 07:08:31 -0500 Malathi_72

Want to resize roi by 1.5 within the original image size 128*128

roi
resize

33

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1

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2020-07-02 06:56:11 -0500 berak

My saved video run in very fast for higher resolution?

17

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2020-07-02 06:53:03 -0500 prasanna_18

How to calculate disparity image for Left to Right from Right to Left andvice versa?

23

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2020-07-02 03:28:38 -0500 berak

I am unable to load image using openCV and using visual studio for c++ code.

21

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2020-07-01 21:19:01 -0500 ibrahim_5403

How can I display supported video format in opencv python?

31

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2020-07-01 19:20:55 -0500 trigal

projectpoints distortion

355

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2020-07-01 17:55:29 -0500 trigal

Are Lens Distortion Coefficients inverted for projectPoints?

22

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2020-07-01 14:46:11 -0500 JeffTheMess

Opencv Revert back to a higher resolution than what I set.

54

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2

answers

2

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2020-07-01 13:48:07 -0500 supra56

33,452 questions

how to use real time face recognition on videos

"no element rtspsrc" gstreamer+opencv in win10

namedWindow does not update when resizing

Help understanding if fabricant provides OpenCV ready device.

How to use OpenCV 4 in Java on Raspberry PI (armv6 and armv7 Raspian)?

Unable to build opencv on windows

Isolate object to better detect it

How to measure circle diameter with camera

why does opencv_createsamlples only create 1000 sample vector file

OpenCV Decompose projection matrix outputs

i am doing a project to predict age and gender using tensorflow and opencv. and how to add path for xml file.

Missing python binding, stitcher API

remove accumulate pixels and fixed one hough line

Opencv can't show live webcam footage.What is wrong with my code ?

OpenCV solvePnPRansac() function

Extracting feature information from 2D CAD engineering drawings

Detect head using Haar Cascade, wont detect tilted head?

How to convert 2d array to cv::Mat in C++ for 1024x1024 images?

old JRE version for opencv4.3 jar file

Imshow doesn't work in Jupyter and PyCharm [closed]

How to do a perspective transformation of an image which is missing corners using opencv java

Want to resize roi by 1.5 within the original image size 128*128

My saved video run in very fast for higher resolution?

How to calculate disparity image for Left to Right from Right to Left andvice versa?

I am unable to load image using openCV and using visual studio for c++ code.

How can I display supported video format in opencv python?

projectpoints distortion

Are Lens Distortion Coefficients inverted for projectPoints?

Opencv Revert back to a higher resolution than what I set.

Opencv getPerspectiveTransform method gives unclear result

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