Questions - OpenCV Q&A Forum

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2018-07-27 00:22:34 -0600 berak

I am trying to executing cross compiled (for RISCV) sample c++ program.but i am getting error

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2018-07-27 04:08:29 -0600 berak

I am trying to executing cross compiled c++ program(removeRedEye) in riscv linux,but i am getting errors

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2018-08-06 01:19:52 -0600 mshabunin

Trying to cross compiling OpenCV library for RISCV architecture statically but i am getting errors

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2018-08-28 14:54:46 -0600 MikeTronix

I have an image with all pixel values 0 i.e black image, i want to access pixels at certain image coordinates more then a 100 and change the value to 1 how can i do this using opencv python and for loops if possible?

484

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2018-10-18 22:20:28 -0600 supra56

Can't detect the circle

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2018-11-06 17:05:07 -0600 ander5991

source code opencv

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2018-11-11 15:15:45 -0600 murtaza-078

Error while running slic.cpp code

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2018-12-10 10:35:51 -0600 berak

error in cmake while configuring opencv extra modules path

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2018-12-17 06:37:57 -0600 berak

compare two faces opencv node js

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2019-03-27 04:51:00 -0600 isma

How to calculate correct font scale to fit to the image using putText

465

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2019-04-17 08:19:49 -0600 isma

Infrared Image I took outside is completely white, how to fix?

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2019-07-07 00:31:58 -0600 FlorMaye

Problems ChAruCo Camera Calibration

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2019-10-17 08:57:23 -0600 redhwan

does JetsonTX2 support CV.dnn ?

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2019-12-17 07:59:08 -0600 kbarni

How to remove the element attached to the image border?

8k

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2019-12-26 08:21:42 -0600 supra56

Unable to find and draw biggest contour

256

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2020-03-01 06:06:15 -0600 berak

This is a code for recognition of faces and attendance marking. I get the following error

3k

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2020-03-04 14:49:56 -0600 mvuori

Help with "Undefined-reference" when compiling with CMake for OpenCV & C++ program

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2020-03-05 20:17:42 -0600 Eyal321

Removing padding after fft

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2020-03-16 09:09:48 -0600 LBerger

TypeError: Image data of dtype object cannot be converted to float

496

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2020-09-04 01:38:48 -0600 Ricki Hutagaol

Emgu Cv Show Black Screen when running [closed]

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2020-09-14 02:19:42 -0600 berak

Where to find opencv_createsamples.exe in windows

805

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2020-11-18 13:03:14 -0600 Tina J

cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'

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2015-02-15 10:50:48 -0600 berak

Problem with perspective

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2015-02-21 10:53:24 -0600 venkat.330

Memory leak in the sample code to capture image with Opencv with GLIB [closed]

7k

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2016-03-11 22:41:00 -0600 gseif

How to capture in GRAYSCALE directly from source

262

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2017-08-23 13:36:41 -0600 roko

Which one is the faster between Python and Java for OpenCV?

727

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2018-04-19 03:47:53 -0600 StevenPuttemans

opencv traincascade on windows

302

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-1

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2020-09-14 21:48:51 -0600 Virtuall Kingg

88 questions

I am trying to executing cross compiled (for RISCV) sample c++ program.but i am getting error

I am trying to executing cross compiled c++ program(removeRedEye) in riscv linux,but i am getting errors

Trying to cross compiling OpenCV library for RISCV architecture statically but i am getting errors

I have an image with all pixel values 0 i.e black image, i want to access pixels at certain image coordinates more then a 100 and change the value to 1 how can i do this using opencv python and for loops if possible?

Can't detect the circle

source code opencv

Error while running slic.cpp code

error in cmake while configuring opencv extra modules path

compare two faces opencv node js

How to calculate correct font scale to fit to the image using putText

Infrared Image I took outside is completely white, how to fix?

Problems ChAruCo Camera Calibration

does JetsonTX2 support CV.dnn ?

How to remove the element attached to the image border?

Unable to find and draw biggest contour

This is a code for recognition of faces and attendance marking. I get the following error

Help with "Undefined-reference" when compiling with CMake for OpenCV & C++ program

Removing padding after fft

TypeError: Image data of dtype object cannot be converted to float

Emgu Cv Show Black Screen when running [closed]

Where to find opencv_createsamples.exe in windows

cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'

Problem with perspective

Memory leak in the sample code to capture image with Opencv with GLIB [closed]

How to capture in GRAYSCALE directly from source

Which one is the faster between Python and Java for OpenCV?

opencv traincascade on windows

How many IP cameras can openCV handle for real time processing?

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