Questions - OpenCV Q&A Forum

597

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2016-07-01 09:49:00 -0600 fnw

Chroma Subsampling and Quality Factor when writing MJPEG videos.

1k

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1

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2016-07-04 04:41:42 -0600 atv

why am i getting so many roi crashes

opencv
roi

295

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1

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2016-07-15 01:55:35 -0600 lovaj

In bag of visual words, how to pass descriptors instead of keypoints?

930

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1

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2016-07-16 08:44:09 -0600 AAkash

Opencv 3.1 build error

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2016-07-20 23:38:09 -0600 astronaut

Extract largest contour in very colorful image in OpenCV

contours
c++

382

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1

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2016-07-27 08:01:50 -0600 xMonty

Obstructed Rectangle Detection

721

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2016-07-27 08:45:31 -0600 graphitash

How do I add opencv_contrib to an existing homebrew installation

1k

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1

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2016-08-02 11:33:47 -0600 Major Squirrel

Using OpenCL's opencv API with RK3288 SoC (regarding OpenCL versions)

4k

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1

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2016-08-02 06:14:55 -0600 avpai

counting the number of child contours inside a contour in opencv

458

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1

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2016-08-08 18:52:45 -0600 ahmedabdeldaim

error with cv2.face.mindistancepredictcollector()

811

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2016-08-13 01:35:25 -0600 cvi

Video artifacts (noise?) - how to reduce effect on foreground detection

1k

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2016-08-14 00:32:51 -0600 Airhead

VS 2015 X64 CMAKE Library BLAS/LAPACK missing

68

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1

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2016-08-22 10:13:40 -0600 we

How to add Linear discriminant analysis (LDA) to Opencv4Android?

android#opencv#LDA

370

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1

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2016-08-22 14:33:40 -0600 valentine

C++ implementation of codebook algorithm in opencv

opencv#codebook

559

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answers

1

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2016-08-22 21:13:06 -0600 Melvin_DY

Where to set origin of model for solvePnP

486

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1

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2016-08-24 20:10:17 -0600 saihv

Epipolar geometry: pose estimate detects translation in wrong axis

220

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1

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2016-08-25 07:47:11 -0600 skruzic

Image stitching camera translation

stitching

1k

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2016-08-27 03:56:51 -0600 Angulu

Using PCA and LDA for dimensionality reduction for SVM

339

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1

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2016-08-29 23:41:48 -0600 Nbb

OpenCV superpixels - How to reorganize data into a 2D array ?

superpixels

1k

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1

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2016-09-02 02:31:10 -0600 LiquidSquid

OpenCV 3 DNN module - loading a tensorflow model?

deleted

270

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1

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2016-09-04 21:03:26 -0600 mikebrainalgo

MergeDebevec produces strange color effect

HDR

1k

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1

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2016-09-05 11:42:42 -0600 keelix

How to access OpenCV data root directory?

directory

696

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1

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2016-09-05 23:38:07 -0600 alvarouc

GPU cv::scaleAdd is slower than CPU cv::cuda::scaleAdd

gpu
scaleAdd

621

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1

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2016-09-07 05:23:57 -0600 swarajd

OpenCV MakeFile build error

deleted

1k

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1

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2016-09-07 20:28:08 -0600 chpatrick

cuda::GpuMat using too much memory

140

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1

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2016-09-13 10:41:23 -0600 srbh

As I am unable to understand formula/theory/details of this function details::focalsFromHomography () ? Can someone help me understanding or getting focals form Homography ?

348

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1

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2016-09-22 00:32:55 -0600 Cibin William

Fatal signal 11 (SIGSEGV) in Android 6.0

244

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1

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2016-09-22 04:14:12 -0600 astronaut

How to detect heptagon object?

shapedetection

154

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1

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2016-09-22 13:01:20 -0600 Mike

Boosted Regression Trees OpenCV 3.1

103

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1

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2016-09-29 13:46:21 -0600 VishalNair

How to get different blocks from the borders in image using OpenCV

opencv

12,357 questions

Chroma Subsampling and Quality Factor when writing MJPEG videos.

why am i getting so many roi crashes

In bag of visual words, how to pass descriptors instead of keypoints?

Opencv 3.1 build error

Extract largest contour in very colorful image in OpenCV

Obstructed Rectangle Detection

How do I add opencv_contrib to an existing homebrew installation

Using OpenCL's opencv API with RK3288 SoC (regarding OpenCL versions)

counting the number of child contours inside a contour in opencv

error with cv2.face.mindistancepredictcollector()

Video artifacts (noise?) - how to reduce effect on foreground detection

VS 2015 X64 CMAKE Library BLAS/LAPACK missing

How to add Linear discriminant analysis (LDA) to Opencv4Android?

C++ implementation of codebook algorithm in opencv

Where to set origin of model for solvePnP

Epipolar geometry: pose estimate detects translation in wrong axis

Image stitching camera translation

Using PCA and LDA for dimensionality reduction for SVM

OpenCV superpixels - How to reorganize data into a 2D array ?

OpenCV 3 DNN module - loading a tensorflow model?

MergeDebevec produces strange color effect

How to access OpenCV data root directory?

GPU cv::scaleAdd is slower than CPU cv::cuda::scaleAdd

OpenCV MakeFile build error

cuda::GpuMat using too much memory

As I am unable to understand formula/theory/details of this function details::focalsFromHomography () ? Can someone help me understanding or getting focals form Homography ?

Fatal signal 11 (SIGSEGV) in Android 6.0

How to detect heptagon object?

Boosted Regression Trees OpenCV 3.1

How to get different blocks from the borders in image using OpenCV

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