Questions - OpenCV Q&A Forum

1k

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1

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2019-03-09 11:53:35 -0600 MarviB

How do i get the angle of an object in front of my camera?

111

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2019-03-10 12:44:32 -0600 fl1ppyXD

Hide the Executable [closed]

445

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2019-03-13 04:03:28 -0600 viohh

decomposeHomographyMat isn't working

6k

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no

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no

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2019-03-13 13:46:54 -0600 Bill Quesy

Imshow MultiThreading

imshow

54

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no

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no

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2019-03-14 14:58:58 -0600 rlliles

Need help with finding containers that are running empty [closed]

104

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no

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2019-03-16 13:28:53 -0600 two4two

can it find particular images within a video file [closed]

image-recognition

98

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2019-03-16 16:31:54 -0600 Danilo Sotto

Help with recognition [closed]

image-recognition

246

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no

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no

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2019-03-17 20:50:00 -0600 supra56

how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

1k

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1

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2019-03-20 10:12:00 -0600 velicko91

OpenCV 4.01 face module for Java

766

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2019-03-19 03:47:18 -0600 lucacc

imwrite write on usb drive [closed]

146

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2019-03-20 06:13:02 -0600 prb

how to get better human silhouettes from a video?

1k

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2

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2019-03-22 05:03:17 -0600 berak

ORB implementation in Java(Android package)

ORB
android

971

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2019-03-21 06:35:55 -0600 shariq_azim

How to measure distance of object (in image) with openCV.js

OpenCV.js

351

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2019-03-22 15:52:29 -0600 zAsdf

How to measure a pixel's color every frame of a video?

164

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2019-03-24 20:34:04 -0600 PraveenRG

I had tried to build opencv source file but it it shows the errors as given in scheenshot

opencvbuild

297

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2019-03-25 23:35:33 -0600 Arnab190201

Code for crack detection on tracks

136

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2019-03-26 13:03:05 -0600 resolver101757

How do I make the characters standout on the following [closed]

165

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1

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-1

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2019-03-30 03:39:26 -0600 berak

Why 'resize' become error after looping function was added?

13k

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1

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no

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2019-03-29 01:44:40 -0600 berak

How to draw line with alpha transparency?

draw
Line

69

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-1

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2019-04-04 08:55:28 -0600 Der Luftmensch

Error using calculLut and/or getMinMaxHistogram

deleted-sample1

960

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no

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no

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2019-04-04 05:58:46 -0600 droog_the_droog

Using OpenCV in Python via a C# application [closed]

928

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1

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no

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2019-04-13 15:08:22 -0600 supra56

i was making motion detection for detecting alphabets using opencv mnp models(SOLVED)

584

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2019-04-08 09:01:00 -0600 jonasiyou

Haar Cascade for fingers [closed]

2k

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1

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2019-04-11 07:33:38 -0600 Grillteller

Detecting Very light particles in an image

600

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no

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-1

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2019-04-11 11:10:03 -0600 Daniel Internovam

Can you recognize the foot and then put a shoe, so that it follows the movement and turn of the foot? [closed]

6k

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2

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-1

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2019-04-13 10:05:16 -0600 supra56

error: OpenCV(3.4.1) C:\Miniconda3\conda-bld\opencv-suite_1533128839831\work\modules\highgui\src\window.cpp:356: error: (-215) size.width>0 && size.height>0 in function cv::imshow

1k

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1

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-1

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2019-04-15 04:50:32 -0600 StevenPuttemans

Trying to create own haarcascade xml file for pens

haartraning

258

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no

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-1

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2019-04-18 03:10:13 -0600 cjacquel

Patent on Surf and Sift [closed]

935

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1

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no

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2019-04-22 05:45:03 -0600 supra56

python requests mjpeg url

python

434

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no

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2019-04-23 16:45:39 -0600 sazr

29,830 questions

How do i get the angle of an object in front of my camera?

Hide the Executable [closed]

decomposeHomographyMat isn't working

Imshow MultiThreading

Need help with finding containers that are running empty [closed]

can it find particular images within a video file [closed]

Help with recognition [closed]

how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

OpenCV 4.01 face module for Java

imwrite write on usb drive [closed]

how to get better human silhouettes from a video?

ORB implementation in Java(Android package)

How to measure distance of object (in image) with openCV.js

How to measure a pixel's color every frame of a video?

I had tried to build opencv source file but it it shows the errors as given in scheenshot

Code for crack detection on tracks

How do I make the characters standout on the following [closed]

Why 'resize' become error after looping function was added?

How to draw line with alpha transparency?

Error using calculLut and/or getMinMaxHistogram

Using OpenCV in Python via a C# application [closed]

i was making motion detection for detecting alphabets using opencv mnp models(SOLVED)

Haar Cascade for fingers [closed]

Detecting Very light particles in an image

Can you recognize the foot and then put a shoe, so that it follows the movement and turn of the foot? [closed]

error: OpenCV(3.4.1) C:\Miniconda3\conda-bld\opencv-suite_1533128839831\work\modules\highgui\src\window.cpp:356: error: (-215) size.width>0 && size.height>0 in function cv::imshow

Trying to create own haarcascade xml file for pens

Patent on Surf and Sift [closed]

python requests mjpeg url

Calculate median/mode but ignore black colour

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