Questions - OpenCV Q&A Forum

677

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2017-11-30 19:21:53 -0600 slu

std::length_error at HOGDetector::compute() [closed]

HOGDescriptor

326

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1

answer

no

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2017-11-30 17:46:48 -0600 XavYZ

Any plan for constant time computing ?

156

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no

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2017-11-30 16:47:41 -0600 fatemeh.hosseini

OpenCV Error: Bad argument (The array of _responses must contain as many elements as the total number of samples in the training data matrix) in CvDTreeTrainData::set_data

138

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2017-11-30 15:19:39 -0600 MRDaniel

Create Templates from Feature Homography

3k

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no

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2017-11-30 13:45:53 -0600 fahad_nadeem

I am trying to read image in java using Opencv 3.3.1 but getting this Error: "java.lang.UnsatisfiedLinkError", [closed]

155

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1

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-1

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2017-11-30 11:23:38 -0600 sjhalayka

Why my array had different data?

306

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no

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no

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2017-11-30 10:05:00 -0600 JDBones

Need to clear up some confusion on buildOpticalFlowPyramid

opticalflow

87

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no

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2017-11-30 08:16:21 -0600 microscopy

Looking for OpenCV developer freelancer

panorama

4k

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2017-11-30 07:03:52 -0600 noamgot

Detect color space of loaded image - android OpenCV

1k

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1

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2017-11-30 05:48:37 -0600 NewPerspective5

floodFill loDiff/hiDiff not working?

707

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2017-11-30 05:39:27 -0600 gorbad-6

OpenCV dnn Load Quantized Tensorflow model?

1k

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1

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2017-11-30 05:16:11 -0600 michlvl

Errors during compiling tutorial (feature_homography)

560

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2017-11-30 01:45:22 -0600 BAHRAMUDIN ADIL

GStreamer unable to open RTSP stream on CentOS OpenCV

36k

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3

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20

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2017-11-30 01:11:02 -0600 Rthi

How to use parallel_for?

parallel

164

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2017-11-30 00:55:08 -0600 Santhosh1

Canny edge giving different result

contour#opencv

765

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1

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no

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2017-11-29 23:02:28 -0600 Haselmaier

Object Tracking At Night

kcf_tracker

261

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1

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no

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2017-11-29 17:57:06 -0600 Tetragramm

Image registration: transformation matrix

1k

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2017-11-29 12:20:30 -0600 Dayanand

Error while playing stored Video using OpenCV + Python

91

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2017-11-29 09:59:53 -0600 QQQ

check whether point correspondence in front of both images

3dreconstruction

547

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no

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2017-11-29 09:11:13 -0600 Olbapmar

Unable to build OpenCV 3.3 + Python 2.7

1k

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1

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2017-11-29 08:49:26 -0600 YOUR_HAMSTER

Using kinect v2 for OpenCV in C++ on win 10

334

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no

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2017-11-29 07:32:27 -0600 arigarcia

BOWKMeansTrainer constructor

382

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-1

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2017-11-29 06:00:35 -0600 arigarcia

Java Multi threads with OpenCV 3.3.1

2k

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2

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no

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2017-11-29 03:50:43 -0600 supra56

How to fix this error: grayscaled = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) cv2.error: /io/opencv/modules/imgproc/src/color.cpp:10638: error: (-215) scn == 3 || scn == 4 in function cvtColor?

opencvpython

295

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no

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2017-11-29 00:13:24 -0600 charles1208

knnMatch gives different results between debug and release Mode

bfmatcher

116

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-1

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2017-11-28 22:41:27 -0600 Rthi

how to reduce scanning time of QR code using multi-core in opencv c++

c++
opencv

353

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no

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2017-11-28 18:24:46 -0600 Tetragramm

Detecting Light Colored Objects on Black Background

2k

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1

answer

1

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2017-11-28 16:04:23 -0600 sjhalayka

how can i load 4d medical image of type nifti?

3k

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1

answer

2

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2017-11-28 12:41:26 -0600 opalmirror

How to remove background of a selected contour

889

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2

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no

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2017-11-28 11:54:01 -0600 matman

how to accelerate filter2D with multi-core CPU?

Convolution

29,830 questions

std::length_error at HOGDetector::compute() [closed]

Any plan for constant time computing ?

OpenCV Error: Bad argument (The array of _responses must contain as many elements as the total number of samples in the training data matrix) in CvDTreeTrainData::set_data

Create Templates from Feature Homography

I am trying to read image in java using Opencv 3.3.1 but getting this Error: "java.lang.UnsatisfiedLinkError", [closed]

Why my array had different data?

Need to clear up some confusion on buildOpticalFlowPyramid

Looking for OpenCV developer freelancer

Detect color space of loaded image - android OpenCV

floodFill loDiff/hiDiff not working?

OpenCV dnn Load Quantized Tensorflow model?

Errors during compiling tutorial (feature_homography)

GStreamer unable to open RTSP stream on CentOS OpenCV

How to use parallel_for?

Canny edge giving different result

Object Tracking At Night

Image registration: transformation matrix

Error while playing stored Video using OpenCV + Python

check whether point correspondence in front of both images

Unable to build OpenCV 3.3 + Python 2.7

Using kinect v2 for OpenCV in C++ on win 10

BOWKMeansTrainer constructor

Java Multi threads with OpenCV 3.3.1

How to fix this error: grayscaled = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) cv2.error: /io/opencv/modules/imgproc/src/color.cpp:10638: error: (-215) scn == 3 || scn == 4 in function cvtColor?

knnMatch gives different results between debug and release Mode

how to reduce scanning time of QR code using multi-core in opencv c++

Detecting Light Colored Objects on Black Background

how can i load 4d medical image of type nifti?

How to remove background of a selected contour

how to accelerate filter2D with multi-core CPU?

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