Questions - OpenCV Q&A Forum

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2020-10-30 23:32:35 -0500 arsh

Parsing error (Unsupported activation: relu) in ReadDarknetFromCfgStream

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2020-10-30 14:57:41 -0500 Ahmed

Spatial and temporal on depth image

c++

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2020-10-30 08:09:31 -0500 DarioP

Letting highgui show pixel value in HLS colorspace

12

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2020-10-30 03:01:00 -0500 storyour1

i can't enter docs.opencv.org/

documentation

18

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2020-10-29 21:18:05 -0500 jjreddish

Template matching doesn't work as expected.

python

24

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2020-10-29 16:08:05 -0500 emuemu

Consistently failing to compile openCV with RPi 3B+

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2020-10-29 11:04:48 -0500 Franck

Opencv 4.5.0 / Android / how to implement a Wiener filter ?

Wiener

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2020-10-29 10:16:25 -0500 Seungho Hyun

MS Visual Studio 2017 MFC, when using StereoBM not have information

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2020-10-29 06:45:50 -0500 sreenija

form a possible rectangle

python

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2020-10-29 02:11:18 -0500 berak

I have an error and I don't know how to solve it. AttributeError: 'NoneType' object has no attribute 'isOpened'. Can someone help?

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2020-10-28 12:45:36 -0500 bko

Error compiling project with CMAKE

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2020-10-28 08:54:16 -0500 sturkmen

Check image dissimilar areas using SIFT

SIFT

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-1

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2020-10-28 02:17:21 -0500 tahereh rasouli

3d The amount of movement of two images

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2020-10-28 01:21:03 -0500 Dinir Imameev

Loading Tensorflow model. Error: Unspecified error (More than one input is Const op) in cv::dnn::dnn4_v20200310

39

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1

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-1

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2020-10-28 00:47:01 -0500 sturkmen

Creating simple custom librarys using the opencv library

14k

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2

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2020-10-27 23:03:25 -0500 hodu

Use allocated buffer for Mat Data Pointer

47

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2020-10-27 15:10:09 -0500 sturkmen

Saving video from frames in with fourcc codec h264 and h265 with opencv

43

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no

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2020-10-27 09:49:25 -0500 Noob87

using open cv to control relay

37

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1

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2

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2020-10-27 08:48:15 -0500 8rainfog

Opencv_contrib - Surface matching issue

24

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1

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no

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2020-10-27 06:33:17 -0500 flaviu2

Input file is invalid

python

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2020-10-27 02:56:33 -0500 berak

i can't install opencv

eror

32

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answers

2

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2020-10-26 20:23:26 -0500 warpstar22

Gstreamer Pipeline to NV12toBGR using GAPI

GAPI

139

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answers

2

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2020-10-26 15:47:52 -0500 kilwa

Algorithm suggestion for texture image matching

30

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2020-10-26 11:15:43 -0500 Rickvanhek

Insanely high cpu usage for simple videocapture (50% cpu usage)

29

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2020-10-26 08:16:34 -0500 Nick7

malloc: can't allocate region at import cv2

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2020-10-26 05:55:14 -0500 lroyer-star

Torchscript in opencv

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1

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2020-10-25 13:15:04 -0500 Boris Brodski

OpenCV predictions much worse compared to Tensorflow

26

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1

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2020-10-25 12:24:06 -0500 berak

Undefined symbols for architecture x86_64

28

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-1

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2020-10-25 06:01:41 -0500 kotran

opencv on python, laplacian and sobel filter not working at all

deleted

26

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no

answers

-1

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2020-10-25 03:48:29 -0500 ItsYasirrr

31,329 questions

Parsing error (Unsupported activation: relu) in ReadDarknetFromCfgStream

Spatial and temporal on depth image

Letting highgui show pixel value in HLS colorspace

i can't enter docs.opencv.org/

Template matching doesn't work as expected.

Consistently failing to compile openCV with RPi 3B+

Opencv 4.5.0 / Android / how to implement a Wiener filter ?

MS Visual Studio 2017 MFC, when using StereoBM not have information

form a possible rectangle

I have an error and I don't know how to solve it. AttributeError: 'NoneType' object has no attribute 'isOpened'. Can someone help?

Error compiling project with CMAKE

Check image dissimilar areas using SIFT

3d The amount of movement of two images

Loading Tensorflow model. Error: Unspecified error (More than one input is Const op) in cv::dnn::dnn4_v20200310

Creating simple custom librarys using the opencv library

Use allocated buffer for Mat Data Pointer

Saving video from frames in with fourcc codec h264 and h265 with opencv

using open cv to control relay

Opencv_contrib - Surface matching issue

Input file is invalid

i can't install opencv

Gstreamer Pipeline to NV12toBGR using GAPI

Algorithm suggestion for texture image matching

Insanely high cpu usage for simple videocapture (50% cpu usage)

malloc: can't allocate region at import cv2

Torchscript in opencv

OpenCV predictions much worse compared to Tensorflow

Undefined symbols for architecture x86_64

opencv on python, laplacian and sobel filter not working at all

How to remove black stamp from an image

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