Questions tagged [opencv]

13

votes

1

answers

Extract single line contours from Canny edges

asked 2013-08-06T08:00:07.330

20

votes

6

answers

How can I use imshow to display multiple images in multiple windows?

c++ opencv

asked 2013-08-01T07:22:53.110

47

votes

6

answers

Python OpenCV convert image to byte string?

python image opencv binary

asked 2013-07-31T09:59:36.093

19

votes

2

answers

accessing pixel value of gray scale image in OpenCV

c++ opencv image-processing

asked 2013-07-29T08:36:22.957

14

votes

2

answers

remove gradient of a image without a comparison image

c++ opencv image-processing gradient

asked 2013-07-28T23:32:06.717

8

votes

3

answers

Is conversion from OpenCV code to FPGA code is easier than Matlab code or not?

matlab opencv image-processing fpga

asked 2013-07-25T06:45:06.353

72

votes

13

answers

How to use Opencv with Gradle?

android opencv gradle android-gradle-plugin

asked 2013-07-20T23:05:07.917

17

votes

4

answers

how to display a full screen images with python2.7 and opencv2.4

opencv python-2.7

asked 2013-07-17T09:28:30.747

32

votes

2

answers

Can I determine the number of channels in cv::Mat Opencv

c++ opencv mat

asked 2013-06-28T11:39:54.690

9

votes

3

answers

Install OpenCV for Python (multiple python versions)

python opencv python-2.7

asked 2013-06-25T00:21:52.880

10

votes

1

answers

Robust Line Extraction from Image

algorithm opencv image-processing computer-vision hough-transform

asked 2013-06-20T19:10:19.003

12

votes

2

answers

OpenCV image loading for OpenGL Texture

c++ opengl opencv textures

asked 2013-05-29T09:10:07.057

8

votes

1

answers

Channel order in OpenCV

c++ opencv

asked 2013-05-20T20:41:27.977

10

votes

6

answers

How to use OpenCV with IntelliJ IDEA 12

java opencv ide intellij-idea

asked 2013-05-07T06:53:30.257

13

votes

2

answers

When open an image using imread with no second argument, what is the color mode? BGR or RGB?

c++ opencv

asked 2013-05-07T02:03:49.530

10

votes

1

answers

OpenCV: measuring distance between two balls in millimeters - how to improve accuracy

opencv

asked 2013-05-04T20:09:32.633

10

votes

6

answers

adding openCV to java buildpath in eclipse

java windows eclipse opencv

asked 2013-05-01T10:21:43.007

11

votes

3

answers

Runtime Opencv HighGui Error- "HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP". Opencv cross compiled. Host=64bit Ubuntu 12.04. Target=ARM-Cortex-A9

opencv gtk arm ubuntu-12.04 static-linking

asked 2013-04-29T20:19:30.293

12

votes

2

answers

How to Handle Occlusion and Fragmentation

opencv tracking feature-detection occlusion

asked 2013-04-26T08:54:35.307

43

votes

3

answers

What is the difference between the fundamental, essential and homography matrices?

opencv transform homography perspectivecamera projective-geometry

asked 2013-04-18T16:25:02.813

14

votes

4

answers

Undefined symbols for architecture x86_64 error when linking OpenCV in Xcode

xcode opencv

asked 2013-04-18T08:54:39.217

11

votes

2

answers

Opencv2 cvtColor() does not work

qt opencv

asked 2013-04-16T09:03:37.040

11

votes

2

answers

How to apply RANSAC on SURF, SIFT and ORB matching results

opencv feature-extraction orb ransac feature-descriptor

asked 2013-04-14T18:26:34.983

8

votes

4

answers

cv::Scalar not displaying expected color

c++ ios opencv colors drawellipse

asked 2013-04-10T04:08:32.483

11

votes

2

answers

How to determine world coordinates of a camera?

opencv pose-estimation

asked 2013-03-31T07:55:22.567

30

votes

1

answers

Why is my hand-tuned, SSE-enabled code so slow?

c++ optimization opencv sse

asked 2013-03-30T22:41:37.450

11

votes

5

answers

Opencv Error on Ubuntu Webcam (Logitech C270) Capture -> HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP

opencv webcam capture

asked 2013-03-20T19:51:12.540

20

votes

1

answers

Python OpenCv cv2 equivalent for CV_FILLED

opencv python-2.7

asked 2013-03-11T13:38:24.423

45

votes

6

answers

OpenCV Mat element types and their sizes

opencv

asked 2013-03-06T10:49:57.067

10

votes

3

answers

How do I make CvVideoCamera not auto rotate?

ios objective-c opencv

asked 2013-02-14T14:21:38.610

16

votes

3

answers

Why is cv::resize so slow?

ios objective-c opencv image-processing

asked 2013-02-13T11:46:46.277

20

votes

2

answers

Fuzzy Template matching?

opencv computer-vision

asked 2013-02-09T22:03:14.960

23

votes

2

answers

Using opencv to match an image from a group of images for purpose of identification in C++

c++ opencv computer-vision object-detection

asked 2013-02-07T04:10:40.917

11

votes

1

answers

Binary Image Orientation

opencv computer-vision

asked 2013-02-06T02:42:08.357

42

votes

2

answers

Detecting a cross in an image with OpenCV

c++ opencv video feature-detection

asked 2013-01-30T19:33:27.413

15

votes

3

answers

OpenCV: How to convert CV_8UC1 mat to CV_8UC3

opencv

asked 2013-01-30T14:24:39.293

10

votes

4

answers

How do I concatenate two matrices in Python OpenCV?

python opencv

asked 2013-01-29T09:28:09.187

8

votes

1

answers

Separating similar object in an image - opencv python

python opencv surf

asked 2013-01-26T05:35:27.370

23

votes

2

answers

Access Violation Exception mystery

c# opencv emgucv

asked 2013-01-22T16:09:14.083

8

votes

3

answers

Using Mat::at(i,j) in opencv for a 2-D Mat object

c++ opencv image-processing

asked 2013-01-13T11:41:14.883

172

votes

5

answers

Convert image from PIL to openCV format

python image-processing opencv python-imaging-library

asked 2013-01-03T07:44:03.577

11

votes

5

answers

How to obtain the scale and rotation angle from LogPolar transform

c++ opencv

asked 2013-01-03T04:11:46.163

11

votes

4

answers

cv2.videocapture.read() does not return a numpy array

python opencv v4l2 ftputil

asked 2012-12-21T11:48:50.123

8

votes

2

answers

InitUndistortRectifyMap and Remap

c++ opencv camera

asked 2012-12-13T14:31:21.493

8

votes

2

answers

Using OpenCV fitEllipse() for circle fitting

opencv curve-fitting

asked 2012-12-07T09:19:53.787

8

votes

1

answers

reading video from file opencv

c++ c opencv

asked 2012-12-04T18:14:22.727

10

votes

4

answers

Threshold of blurry image - part 2

image-processing opencv threshold

asked 2012-11-30T05:04:29.700

19

votes

5

answers

Pattern Matching - Find reference object in second image [OpenCV?]

c++ opencv pattern-matching

asked 2012-11-29T10:14:40.663

14

votes

1

answers

How do I create my own haar cascade and apply it?

python opencv face-detection

asked 2012-11-26T17:21:52.873

37

votes

4

answers

Compare similarity of images using OpenCV with Python

python opencv computer-vision

asked 2012-11-14T13:39:48.197

Questions tagged opencv