Questions - OpenCV Q&A Forum

345

views

no

answers

-1

votes

2018-09-01 02:15:45 -0600 Kafeel Basha

Importing multiple images using cv2

cv2
glob

502

views

no

answers

no

votes

2018-09-04 03:57:59 -0600 usuf

how to create custom cascade for unshapped objects?

92

views

no

answers

no

votes

2018-09-08 03:50:29 -0600 Macmik

Datasets to train SVM classification

c++
opencv

2k

views

no

answers

-1

votes

2018-09-09 12:49:42 -0600 earcz

How to use camera parameters to calculate world distance in cm between pixels?

142

views

no

answers

-1

votes

2018-09-15 13:40:02 -0600 Killing_Machine

How to solve this error?Please help...

74

views

no

answers

no

votes

2018-09-26 12:02:04 -0600 berak

matplotlib>pyplot map colors wont work

182

views

no

answers

no

votes

2018-09-28 06:20:42 -0600 alex_s

Difference in time for YOLOv3

Yolov3

2k

views

no

answers

-1

votes

2018-10-21 05:34:48 -0600 tinahom

Conversion of Mat to 2d arrays in c++

c++
opencv

501

views

no

answers

no

votes

2018-10-09 16:23:46 -0600 Simran

How to detect and count cars in different lanes using HAAR cascade

1k

views

no

answers

-1

votes

2018-10-15 04:44:12 -0600 berak

Unhandled Exception when using cv::resize(....) with 5 threads simultaneously

666

views

no

answers

no

votes

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

Hologram Detection With Irregular Patterns

hologram

1k

views

no

answers

-1

votes

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

Fire detecion and smoke detection

1k

views

no

answers

-1

votes

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

How to implement multi-processing ?

yolo

308

views

no

answers

-1

votes

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

216

views

no

answers

-1

votes

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

how to compare face like this

112

views

no

answers

-1

votes

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

how can copy data from matrix pointer to matrix variable

cameraframe

1k

views

no

answers

-1

votes

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

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

1k

views

no

answers

no

votes

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

views

no

answers

-1

votes

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

Image comparing using "ORB" opencv for android

android

106

views

no

answers

-1

votes

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

Facial Recognition Alternatives to Human Identification

2k

views

no

answers

no

votes

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

How to increase openpose fps with webcam

1k

views

no

answers

-1

votes

2018-11-09 20:08:37 -0600 opencvddddd

c++, the scope of play Window, cv::namedWindow() and cv::imshow()

98

views

no

answers

no

votes

2018-11-10 07:27:58 -0600 samaysly

how to do template matching

templateMatch

147

views

no

answers

no

votes

2018-11-11 22:53:31 -0600 sagar.patel

I want to parse uyvy (4:2:2) 10 bit raw data frame as parsed from yuv420.Any one can help me out!?

419

views

no

answers

no

votes

2018-11-13 01:22:04 -0600 akpa

Detect tick marks in different forms

243

views

no

answers

no

votes

2018-11-13 11:13:11 -0600 Programming_Enthusiast

Creating Polylines from a set of 2D Points and then resizing the Image to be of size 32x32

1k

views

no

answers

-1

votes

2018-11-17 05:50:48 -0600 manef

SLIC superpixel opencv c++

585

views

no

answers

no

votes

2018-11-20 16:00:23 -0600 opalmirror

CameraCalibration example computes NAN

260

views

no

answers

-1

votes

2018-11-26 04:47:56 -0600 zar zar

Dear, I have rvec(rotation vector) and tvec(translation vector)..

156

views

no

answers

-1

votes

2018-12-07 01:47:37 -0600 Ameer Usman

OpenCV using Python to Detect any Object

python#detection#

12,357 questions

Importing multiple images using cv2

how to create custom cascade for unshapped objects?

Datasets to train SVM classification

How to use camera parameters to calculate world distance in cm between pixels?

How to solve this error?Please help...

matplotlib>pyplot map colors wont work

Difference in time for YOLOv3

Conversion of Mat to 2d arrays in c++

How to detect and count cars in different lanes using HAAR cascade

Unhandled Exception when using cv::resize(....) with 5 threads simultaneously

Hologram Detection With Irregular Patterns

Fire detecion and smoke detection

How to implement multi-processing ?

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

how to compare face like this

how can copy data from matrix pointer to matrix variable

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

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

Facial Recognition Alternatives to Human Identification

How to increase openpose fps with webcam

c++, the scope of play Window, cv::namedWindow() and cv::imshow()

how to do template matching

I want to parse uyvy (4:2:2) 10 bit raw data frame as parsed from yuv420.Any one can help me out!?

Detect tick marks in different forms

Creating Polylines from a set of 2D Points and then resizing the Image to be of size 32x32

SLIC superpixel opencv c++

CameraCalibration example computes NAN

Dear, I have rvec(rotation vector) and tvec(translation vector)..

OpenCV using Python to Detect any Object

Links

Contributors

Tags