Questions - OpenCV Q&A Forum

628

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2019-12-17 04:39:59 -0600 Bharathsh

How to do OCR on the strikethrough text.

244

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1

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2019-12-20 12:03:03 -0600 B. Bogart

pretrained model for gaze / frontal face detection for cv::dnn?

732

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2019-12-27 01:57:05 -0600 evgevd

DNN forwards only first image

359

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2020-01-02 10:28:52 -0600 jsterling

Implementing custom non-linear 2D filter in OpenCV

1k

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1

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2020-01-06 09:37:59 -0600 Gourav

Java (-215:Assertion failed) mv[i].size == mv[0].size && mv[i].depth() == depth in function 'cv::merge'

java
merge

982

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2020-01-09 05:00:16 -0600 Sean87

Calibrating camera only for one plane

229

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2020-01-08 17:43:05 -0600 simba

why value of levelWeights given by CascadeClassifier::detectMultiScale can be negative?

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2020-01-14 02:06:19 -0600 ziknehupsu

ArUco Stereo Camera Calibration Python

685

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2020-01-17 19:58:36 -0600 Martian

CMake: Difference between OpenCL_LIBRARY vs OPENCL_LIBRARY

447

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2020-02-04 00:30:01 -0600 y8han

The mathematics principles behind the OpenCV function Calibration

calibration

147

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2020-02-10 04:55:13 -0600 osky

Tracing opencv functions for remap()

3k

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2020-02-16 21:57:05 -0600 ToanVnET

OpenCV-VideoWriter can not write *.mp4 with C++ ?

6k

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2020-02-24 21:58:55 -0600 charlie

Create 2 channel image - grayscale and alpha

326

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2020-02-28 07:42:48 -0600 link1375

OpenCV detects most rectangular contours only if they are not aligned with the camera

findContours

291

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2020-03-18 06:25:44 -0600 stefano

How to marshal OpenCV objects

1k

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2020-03-19 05:42:42 -0600 TiTi243

different result of filter2D between c++ and python

filter2D

193

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1

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2020-03-19 13:40:45 -0600 ryan.delgizzi

SimpleBlobDetector Color Filter Fails on Obvious Cases

simpleblobdetector

496

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1

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2020-03-26 02:42:17 -0600 berak

OpenCV_Contrib module quality

c++
opencv

76

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1

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2020-03-28 09:51:04 -0600 1dbup

example_tutorial_how_to_use_parallel_for :- comment

413

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2020-04-06 05:00:36 -0600 jcb

expectation-maximization with Gaussian mixture model on a 1D Histogram

1k

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1

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2020-04-07 01:42:41 -0600 berak

Measuring color difference from an ROI within the image using DeltaE color difference?

551

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1

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2020-04-11 06:21:32 -0600 lucky

How to detect cracks in an image?

501

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1

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2020-04-17 21:27:00 -0600 supra56

Detect and Classify the objects in an image.

644

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1

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2020-04-20 06:46:22 -0600 omar786

Remove key points from edges of an object

167

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1

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2020-04-24 22:41:57 -0600 supra56

how to detected the directional of the Carbon fiber?

orientation

238

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1

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2020-05-07 04:11:45 -0600 ksenobojca

"_InputArray::isVector()" with Python data

488

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1

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2020-05-18 03:30:21 -0600 devanshbatra04

‘PointSetRegistrator’ is not a member of ‘cv’

2k

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1

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2020-05-18 14:17:55 -0600 berak

How can I delete Red channel from image and use only Green merged to blue?

674

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1

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2020-05-18 13:58:15 -0600 xaru8145

Lucas kanade optic flow Winsize parameter

1k

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no

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2020-05-20 00:48:27 -0600 YashRunwal

Extracting Curved Contours

python

12,357 questions

How to do OCR on the strikethrough text.

pretrained model for gaze / frontal face detection for cv::dnn?

DNN forwards only first image

Implementing custom non-linear 2D filter in OpenCV

Java (-215:Assertion failed) mv[i].size == mv[0].size && mv[i].depth() == depth in function 'cv::merge'

Calibrating camera only for one plane

why value of levelWeights given by CascadeClassifier::detectMultiScale can be negative?

ArUco Stereo Camera Calibration Python

CMake: Difference between OpenCL_LIBRARY vs OPENCL_LIBRARY

The mathematics principles behind the OpenCV function Calibration

Tracing opencv functions for remap()

OpenCV-VideoWriter can not write *.mp4 with C++ ?

Create 2 channel image - grayscale and alpha

OpenCV detects most rectangular contours only if they are not aligned with the camera

How to marshal OpenCV objects

different result of filter2D between c++ and python

SimpleBlobDetector Color Filter Fails on Obvious Cases

OpenCV_Contrib module quality

example_tutorial_how_to_use_parallel_for :- comment

expectation-maximization with Gaussian mixture model on a 1D Histogram

Measuring color difference from an ROI within the image using DeltaE color difference?

How to detect cracks in an image?

Detect and Classify the objects in an image.

Remove key points from edges of an object

how to detected the directional of the Carbon fiber?

"_InputArray::isVector()" with Python data

‘PointSetRegistrator’ is not a member of ‘cv’

How can I delete Red channel from image and use only Green merged to blue?

Lucas kanade optic flow Winsize parameter

Extracting Curved Contours

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