Questions - OpenCV Q&A Forum

979

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2016-11-11 07:07:42 -0600 sturkmen

Mathematic formula for contour detection in image

414

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2016-11-11 04:26:31 -0600 Gauthier

Compiling OpenCV with flags for armhf i.MX6

441

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2016-11-11 03:46:08 -0600 Vintez

Strange Result Perspective Transform [closed]

perspectiveTransform

13k

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1

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no

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2016-11-11 02:24:53 -0600 berak

openCV imshow does not show image

658

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2

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2016-11-11 02:04:15 -0600 RST90

Detect roman numerals in image

2k

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1

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2016-11-11 01:27:53 -0600 ravina

Android : Blur Image detection with OpenCV results into heavy APK size

3k

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2016-11-10 23:40:27 -0600 berak

How to take average every X frames

849

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no

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2016-11-10 23:05:01 -0600 berak

VideoWriter unhandled exception

792

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2016-11-10 17:28:49 -0600 Mohamed Alzaki

Detecting the shape of irregular objects [closed]

567

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2016-11-10 15:48:04 -0600 jaybo_nomad

Slow initial call in a batch of cuda sparse pyrLK optical flow operations.

169

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2016-11-10 15:40:09 -0600 leofs

Opencv 3 Dnn caffe_googlenet

deleted

1k

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2016-11-10 14:19:56 -0600 Glauco Todesco

waitkey in loop [closed]

513

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2016-11-10 11:07:08 -0600 Tetragramm

Matrix rotation error and how pull out a single element

6k

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2

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2

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2016-11-10 09:06:17 -0600 essamzaky

analysis of the vertical and horizontal histogram

histogram

543

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no

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2016-11-10 09:01:16 -0600 ThorbjornSomod

Training a lbp detector/classifier

3k

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1

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no

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2016-11-10 08:51:13 -0600 Vintez

How to compare two images same or not in swift(iOS)

772

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1

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no

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2016-11-10 08:41:46 -0600 sjanko

Calculate the distortion of two nearly identical Contours with “matchShapes()” and rotation of one contour

336

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1

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no

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2016-11-10 07:39:05 -0600 Vintez

SIFT and SURF algorithms

1k

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no

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no

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2016-11-10 03:08:42 -0600 antdroid

YUV420888 to Grayscale Image (cvtColor ENUM) [closed]

YUV
cvtColor

3k

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no

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2016-11-10 02:30:21 -0600 ManuVISION

How to do multi object tracking with Kalman ??

1k

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1

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1

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2016-11-10 02:15:33 -0600 ThorbjornSomod

Opencv contrib modules on VS15

contrib_error

1k

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no

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no

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2016-11-10 02:12:24 -0600 yota

load yaml calibration file to undistort

220

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no

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no

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2016-11-10 01:45:30 -0600 Poehe

Advice on Haar/LBP approach [closed]

240

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1

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2016-11-10 00:23:38 -0600 berak

Grab frames from online video file

461

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1

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1

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2016-11-09 11:11:00 -0600 LBerger

phasecorr.cpp function magSpectrums() DC component missed the square root operation

508

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1

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no

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2016-11-09 07:45:54 -0600 berak

Why I'm getting this error message? /usr/local/include/opencv2/core/utility.hpp:362:47: error: reinterpret_cast from 'nullptr_t' to 'int *' is not allowed

1k

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1

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no

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2016-11-09 06:10:48 -0600 StevenPuttemans

positive image cropping haar cascades

182

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2016-11-09 04:47:50 -0600 srisusanti

how to change the value of one row descriptors into a single value

306

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no

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2016-11-09 04:22:33 -0600 StevenPuttemans

How to do HAAR training?

1k

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1

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no

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2016-11-09 02:58:54 -0600 berak

OrbFeatureDetector was not declared in this scope

ORBFeatureDetector

29,830 questions

Mathematic formula for contour detection in image

Compiling OpenCV with flags for armhf i.MX6

Strange Result Perspective Transform [closed]

openCV imshow does not show image

Detect roman numerals in image

Android : Blur Image detection with OpenCV results into heavy APK size

How to take average every X frames

VideoWriter unhandled exception

Detecting the shape of irregular objects [closed]

Slow initial call in a batch of cuda sparse pyrLK optical flow operations.

Opencv 3 Dnn caffe_googlenet

waitkey in loop [closed]

Matrix rotation error and how pull out a single element

analysis of the vertical and horizontal histogram

Training a lbp detector/classifier

How to compare two images same or not in swift(iOS)

Calculate the distortion of two nearly identical Contours with “matchShapes()” and rotation of one contour

SIFT and SURF algorithms

YUV420888 to Grayscale Image (cvtColor ENUM) [closed]

How to do multi object tracking with Kalman ??

Opencv contrib modules on VS15

load yaml calibration file to undistort

Advice on Haar/LBP approach [closed]

Grab frames from online video file

phasecorr.cpp function magSpectrums() DC component missed the square root operation

Why I'm getting this error message? /usr/local/include/opencv2/core/utility.hpp:362:47: error: reinterpret_cast from 'nullptr_t' to 'int *' is not allowed

positive image cropping haar cascades

how to change the value of one row descriptors into a single value

How to do HAAR training?

OrbFeatureDetector was not declared in this scope

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