Questions - OpenCV Q&A Forum

837

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1

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no

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2018-10-17 11:14:29 -0600 berak

when I run the below code, I take below error. Can you help me ?

666

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no

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no

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2018-10-15 23:17:25 -0600 Edwin C

Hologram Detection With Irregular Patterns

hologram

1k

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no

answers

-1

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2018-10-16 03:48:40 -0600 aayushkt

Fire detecion and smoke detection

1k

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no

answers

-1

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2018-10-16 18:05:34 -0600 berak

How to implement multi-processing ?

yolo

287

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no

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no

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2018-10-16 16:53:08 -0600 Caseguy

How to make a shear algorithm using opencv and python no libraries [closed]

numpy

6k

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1

answer

-1

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2018-10-20 09:58:49 -0600 Shantanu Nandan

ValueError: could not broadcast input array from shape (0,60,3) into shape (7,60,3)

1k

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no

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-1

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2018-10-21 13:41:24 -0600 Pras

OpenCV java reducing resolution of image [closed]

java#opencv

1k

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1

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no

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2018-10-23 01:12:07 -0600 kishan patel

how can open raw data video file

1k

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1

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no

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2018-10-23 03:42:20 -0600 berak

C++ to python, numpy-OpenCv

numpy

758

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1

answer

-1

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2018-10-24 05:08:15 -0600 berak

Is OpenCV frames passed by referenced?

348

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no

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no

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2018-10-25 05:59:31 -0600 Deepak3994

How to get more than one bounding box value from a single segmented-image for a given value? [closed]

209

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no

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-1

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2018-10-28 01:45:45 -0600 mpknap

Pixel Counting [closed]

delphi

1k

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1

answer

-1

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2018-10-29 04:27:55 -0600 berak

OpenCV (Java) : Draw a rectangle region on Camera View

308

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no

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-1

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2018-10-29 04:13:45 -0600 MAGMA

Can someone help me counting objects on shelf putting a border around that object?.. I am new to OpenCV

retail

72

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no

answers

-1

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2018-10-30 13:24:28 -0600 forhadsidhu

How to seperate ear region from face portion [closed]

image-recognition

19k

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1

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no

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2018-10-30 15:30:50 -0600 LBerger

how to decode by imdecode

3k

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2

answers

-1

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2018-11-01 05:22:55 -0600 MomoLuo

opencv assertion failed (ssize.width >0 && ......) and assertion failed (mv && n >0)

216

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no

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-1

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2018-11-01 23:01:16 -0600 chinplay7k

how to compare face like this

120

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no

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no

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2018-11-02 00:41:39 -0600 preethiopencv

Packages for autoencoder for VS C++. [closed]

1k

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no

answers

-1

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2018-11-02 00:57:23 -0600 not a robot

how to generate 3d meshes for an image in opencv? [closed]

mesh

112

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no

answers

-1

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2018-11-02 06:10:40 -0600 kishan patel

how can copy data from matrix pointer to matrix variable

cameraframe

1k

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no

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-1

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2018-11-02 15:00:02 -0600 Md.Rakibul Islam

How to read image from database(sqlite Django) not local file?

4k

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1

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-1

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2018-11-04 11:45:27 -0600 albertofernandez

Can anyone know the code of python to put two frames in a single window output specifically to use it in opencv

pythonopencv

2k

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no

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no

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2018-11-03 11:53:44 -0600 Zagroscudi

Python openCv Pyqt5 [closed]

1k

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no

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no

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2018-11-04 01:44:06 -0600 berak

OpenCV Error: Assertion failed ((npoints = prevPtsMat.checkVector(2, CV_32F, true)) >= 0) in calcOpticalFlowPyrLK, file /home/jiaxw/opencv/opencv-3.1.0/modules/video/src/lkpyramid.cpp, line 1114

calcOptialFlowPyrLK

1k

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no

answers

-1

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2018-11-04 11:18:10 -0600 ahmad14

Image comparing using "ORB" opencv for android

android

125

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no

answers

-1

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2018-11-05 08:33:34 -0600 oja

Hello I am new to opencv and here's my question, how to communicate with external hardware after detecting a required feature in an image? [closed]

RaspberryPi

106

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no

answers

-1

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2018-11-05 14:32:00 -0600 chillin250

Facial Recognition Alternatives to Human Identification

248

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no

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no

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2018-11-07 04:14:24 -0600 djamaleddine djeldjli

How can I read multiple images in Python presented in a folder? [closed]

2k

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no

answers

no

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2018-11-08 04:48:34 -0600 berak

29,830 questions

when I run the below code, I take below error. Can you help me ?

Hologram Detection With Irregular Patterns

Fire detecion and smoke detection

How to implement multi-processing ?

How to make a shear algorithm using opencv and python no libraries [closed]

ValueError: could not broadcast input array from shape (0,60,3) into shape (7,60,3)

OpenCV java reducing resolution of image [closed]

how can open raw data video file

C++ to python, numpy-OpenCv

Is OpenCV frames passed by referenced?

How to get more than one bounding box value from a single segmented-image for a given value? [closed]

Pixel Counting [closed]

OpenCV (Java) : Draw a rectangle region on Camera View

Can someone help me counting objects on shelf putting a border around that object?.. I am new to OpenCV

How to seperate ear region from face portion [closed]

how to decode by imdecode

opencv assertion failed (ssize.width >0 && ......) and assertion failed (mv && n >0)

how to compare face like this

Packages for autoencoder for VS C++. [closed]

how to generate 3d meshes for an image in opencv? [closed]

how can copy data from matrix pointer to matrix variable

How to read image from database(sqlite Django) not local file?

Can anyone know the code of python to put two frames in a single window output specifically to use it in opencv

Python openCv Pyqt5 [closed]

OpenCV Error: Assertion failed ((npoints = prevPtsMat.checkVector(2, CV_32F, true)) >= 0) in calcOpticalFlowPyrLK, file /home/jiaxw/opencv/opencv-3.1.0/modules/video/src/lkpyramid.cpp, line 1114

Image comparing using "ORB" opencv for android

Hello I am new to opencv and here's my question, how to communicate with external hardware after detecting a required feature in an image? [closed]

Facial Recognition Alternatives to Human Identification

How can I read multiple images in Python presented in a folder? [closed]

How to increase openpose fps with webcam

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